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<div class="navpath"><a class="el" href="namespaceWt.html">Wt</a>::<a class="el" href="classWt_1_1WAbstractItemModel.html">WAbstractItemModel</a>
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<div class="contents">
<h1>Wt::WAbstractItemModel Class Reference<br>
<small>
[<a class="el" href="group__modelview.html">Model/view system</a>]</small>
</h1><!-- doxytag: class="Wt::WAbstractItemModel" --><!-- doxytag: inherits="Wt::WObject" -->An abstract model for use with Wt's view classes.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/WAbstractItemModel></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::WAbstractItemModel:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1WAbstractItemModel__inherit__graph.png" border="0" usemap="#Wt_1_1WAbstractItemModel__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1WAbstractItemModel__inherit__map">
<area shape="rect" href="classWt_1_1WAbstractListModel.html" title="An abstract list model for use with Wt's view classes." alt="" coords="373,5,533,32"><area shape="rect" href="classWt_1_1WAbstractProxyModel.html" title="An abstract proxy model for Wt's item models." alt="" coords="367,56,540,83"><area shape="rect" href="classWt_1_1WAbstractTableModel.html" title="An abstract table model for use with Wt's view classes." alt="" coords="368,107,539,133"><area shape="rect" href="classWt_1_1WStandardItemModel.html" title="A standard data model, which stores its data in memory." alt="" coords="368,157,539,184"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="5,81,101,108"><area shape="rect" href="classWt_1_1WStringListModel.html" title="An model that manages a list of strings." alt="" coords="608,5,755,32"><area shape="rect" href="classWt_1_1WAggregateProxyModel.html" title="A proxy model for Wt's item models that provides column aggregation." alt="" coords="589,56,773,83"><area shape="rect" href="classWt_1_1WSortFilterProxyModel.html" title="A proxy model for Wt's item models that provides filtering and/or sorting." alt="" coords="592,107,771,133"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1WAbstractItemModel-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2e3827f2fab4fb171077dcfced9078b2"></a><!-- doxytag: member="Wt::WAbstractItemModel::DataMap" ref="2e3827f2fab4fb171077dcfced9078b2" args="" -->
typedef std::map< int, boost::any > </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#2e3827f2fab4fb171077dcfced9078b2">DataMap</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Data map. <br></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ceb39c2027dc4dc464ac5942798e62e6"></a><!-- doxytag: member="Wt::WAbstractItemModel::WAbstractItemModel" ref="ceb39c2027dc4dc464ac5942798e62e6" args="(WObject *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#ceb39c2027dc4dc464ac5942798e62e6">WAbstractItemModel</a> (<a class="el" href="classWt_1_1WObject.html">WObject</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a new data model. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7be019775b43ecc4f3ac5f59f5ddaca3"></a><!-- doxytag: member="Wt::WAbstractItemModel::~WAbstractItemModel" ref="7be019775b43ecc4f3ac5f59f5ddaca3" args="()" -->
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#7be019775b43ecc4f3ac5f59f5ddaca3">~WAbstractItemModel</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#bcf7912a95a0a60f8e9b1c37d30b8383">columnCount</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of columns. <a href="#bcf7912a95a0a60f8e9b1c37d30b8383"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#b0709a8f71fd5df882f29bb29fd055f0">rowCount</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of rows. <a href="#b0709a8f71fd5df882f29bb29fd055f0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual WFlags< <a class="el" href="group__modelview.html#g1d77c4de293aebfacbdde124de06b8b0">ItemFlag</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#b5e60f81be797c0553a010eff5b9a592">flags</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the flags for an item. <a href="#b5e60f81be797c0553a010eff5b9a592"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual WFlags< <a class="el" href="group__modelview.html#gfb18b4339442f1327c2a65850f3d8a53">HeaderFlag</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#6bb2a7e70f816606351be4a23c453a49">headerFlags</a> (int section, <a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> orientation=Horizontal) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the flags for a header. <a href="#6bb2a7e70f816606351be4a23c453a49"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#f26d7dc00f8c1bc15fe3d5d4b64bb371">hasChildren</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns if there are children at an index. <a href="#f26d7dc00f8c1bc15fe3d5d4b64bb371"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#da454d45706ca0c1a0921dedd351c48c">parent</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the parent for a model index. <a href="#da454d45706ca0c1a0921dedd351c48c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual boost::any </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#9112b74d160f916ef75fb6c1c09dd8fe">data</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index, int role=DisplayRole) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns data at a specific model index. <a href="#9112b74d160f916ef75fb6c1c09dd8fe"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classWt_1_1WAbstractItemModel.html#2e3827f2fab4fb171077dcfced9078b2">DataMap</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#74055362d502d80375c6599f6f8ea1cf">itemData</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns all data at a specific index. <a href="#74055362d502d80375c6599f6f8ea1cf"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual boost::any </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#86bbab7c809fce4de9b5cb543b2fb124">headerData</a> (int section, <a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> orientation=Horizontal, int role=DisplayRole) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the row or column header data. <a href="#86bbab7c809fce4de9b5cb543b2fb124"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#83f37bf04b8574b328c139b02523b8cb">index</a> (int row, int column, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the child index for the given row and column. <a href="#83f37bf04b8574b328c139b02523b8cb"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual WModelIndexList </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#3da35dbccda1599067d1358458f2d48c">match</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &start, int role, const boost::any &value, int hits=-1, WFlags< <a class="el" href="group__modelview.html#gad8dd5072a40c11a34ee548bfb20b2ba">MatchFlag</a> > flags=WFlags< <a class="el" href="group__modelview.html#gad8dd5072a40c11a34ee548bfb20b2ba">MatchFlag</a> >(MatchStartsWith|MatchWrap)) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns an index list for data items that match. <a href="#3da35dbccda1599067d1358458f2d48c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">boost::any </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#0301a303654b113f7f11686dff277228">data</a> (int row, int column, int role=DisplayRole, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the data item at the given column and row. <a href="#0301a303654b113f7f11686dff277228"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#f8453f8f06427e598a35000723c5b86c">hasIndex</a> (int row, int column, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns if an index at the given position is valid (i.e. falls within the column-row bounds). <a href="#f8453f8f06427e598a35000723c5b86c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#1eded9eb68b9247ae2ff371f74a5e5f2">insertColumns</a> (int column, int count, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Inserts one or more columns. <a href="#1eded9eb68b9247ae2ff371f74a5e5f2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#bcafc38dc24fd9edf70eafe834ca411d">insertRows</a> (int row, int count, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Inserts one or more rows. <a href="#bcafc38dc24fd9edf70eafe834ca411d"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#27428d1a02830336ec9db69c6d0b0762">removeColumns</a> (int column, int count, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Removes columns. <a href="#27428d1a02830336ec9db69c6d0b0762"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#29cf3003ee8f97b2b5de9c52af27361a">removeRows</a> (int row, int count, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Removes rows. <a href="#29cf3003ee8f97b2b5de9c52af27361a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943">setData</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index, const boost::any &value, int role=EditRole)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets data at the given model index. <a href="#70856db8c322be8c7f397a932165a943"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#c60d1042bf1bcea9c262d3de30c520fd">setItemData</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index, const <a class="el" href="classWt_1_1WAbstractItemModel.html#2e3827f2fab4fb171077dcfced9078b2">DataMap</a> &values)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets data at the given model index. <a href="#c60d1042bf1bcea9c262d3de30c520fd"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#57f5d417f933440db0d38ece7dd370f4">setHeaderData</a> (int section, <a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> orientation, const boost::any &value, int role=EditRole)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets header data for a column or row. <a href="#57f5d417f933440db0d38ece7dd370f4"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#fad1dffa150e21c73f71802d9784279f">setHeaderData</a> (int section, const boost::any &value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets column header data. <a href="#fad1dffa150e21c73f71802d9784279f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#133931424d4daa8422bcdea911cda713">sort</a> (int column, <a class="el" href="group__modelview.html#g4173856040cf108a9c7360927a43ebac">SortOrder</a> order=AscendingOrder)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sorts the model according to a particular column. <a href="#133931424d4daa8422bcdea911cda713"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#d7da483e201a6a0d717438049ce1f1d1">expandColumn</a> (int column)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Expands a column. <a href="#d7da483e201a6a0d717438049ce1f1d1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#ccd1f651c0b01ae897a52b9ad4b0f553">collapseColumn</a> (int column)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Collapses a column. <a href="#ccd1f651c0b01ae897a52b9ad4b0f553"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#5c4db8b3265c914f77efead35450f6dc">toRawIndex</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Converts a model index to a raw pointer that remains valid while the model's layout is changed. <a href="#5c4db8b3265c914f77efead35450f6dc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#85beaaea2e8609556543019618fd2a89">fromRawIndex</a> (void *rawIndex) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Converts a raw pointer to a model index. <a href="#85beaaea2e8609556543019618fd2a89"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#4c62d2cc18d133d7926a91b4f2eebe62">mimeType</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a mime-type for dragging a set of indexes. <a href="#4c62d2cc18d133d7926a91b4f2eebe62"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual std::vector< std::string > </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#9e92a29b30e3d4de1f6df9f505e952c2">acceptDropMimeTypes</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a list of mime-types that could be accepted for a drop event. <a href="#9e92a29b30e3d4de1f6df9f505e952c2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#f9142a0328922a1b6872f0186164b066">dropEvent</a> (const <a class="el" href="classWt_1_1WDropEvent.html">WDropEvent</a> &e, <a class="el" href="group__modelview.html#gca801bdfb957c360c5f8709cc46949aa">DropAction</a> action, int row, int column, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Handles a drop event. <a href="#f9142a0328922a1b6872f0186164b066"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#d0e634e9fb1276703e41438e8aa50cca">insertColumn</a> (int column, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Inserts one column. <a href="#d0e634e9fb1276703e41438e8aa50cca"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#f4a389e8544fc887a24099c506c8bd7b">insertRow</a> (int row, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Inserts one row. <a href="#f4a389e8544fc887a24099c506c8bd7b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#7b46c63a32eb9ca9838a1a7cd5853552">removeColumn</a> (int column, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Removes one column. <a href="#7b46c63a32eb9ca9838a1a7cd5853552"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#da64c5f4d4eba6cecab2c1e443372cb3">removeRow</a> (int row, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Removes one row. <a href="#da64c5f4d4eba6cecab2c1e443372cb3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#df3aee29503da7f4a78bafeb96956195">setData</a> (int row, int column, const boost::any &value, int role=EditRole, const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent=<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets data at the given row and column. <a href="#df3aee29503da7f4a78bafeb96956195"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#9b11b278c699be7ac4a0f884674930ea">columnsAboutToBeInserted</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted before a number of columns will be inserted. <a href="#9b11b278c699be7ac4a0f884674930ea"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#49d23404fac611a5e985bd6add415180">columnsAboutToBeRemoved</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted before a number of columns will be removed. <a href="#49d23404fac611a5e985bd6add415180"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#7b4bc9dc277611d5418da10d5ccdc88d">columnsInserted</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted after a number of columns were inserted. <a href="#7b4bc9dc277611d5418da10d5ccdc88d"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#5c7b456e7cfe569dcc0b119a617e772a">columnsRemoved</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted after a number of columns were removed. <a href="#5c7b456e7cfe569dcc0b119a617e772a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#010d346c7f2cf9f171b1a2a2ef2a8ef0">rowsAboutToBeInserted</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted before a number of rows will be inserted. <a href="#010d346c7f2cf9f171b1a2a2ef2a8ef0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#ef95610167317fee3a6574ab399444fd">rowsAboutToBeRemoved</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted before a number of rows will be removed. <a href="#ef95610167317fee3a6574ab399444fd"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#ab3dacfac60fd5c6426456ecd2ad5827">rowsInserted</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted after a number of rows were inserted. <a href="#ab3dacfac60fd5c6426456ecd2ad5827"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#32ce4be0295de34fbb6a3108dc8585e4">rowsRemoved</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted after a number of rows were removed. <a href="#32ce4be0295de34fbb6a3108dc8585e4"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, <br>
<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#4ebbe404a68b96788938c1ad09d8949e">dataChanged</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted when some data was changed. <a href="#4ebbe404a68b96788938c1ad09d8949e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a>< <a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a>, int, int > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#d9471c1acbd025bcf49c1d5ac5583a67">headerDataChanged</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted when some header data was changed. <a href="#d9471c1acbd025bcf49c1d5ac5583a67"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#abe99309231808a48c8f1db2c462f8e2">layoutAboutToBeChanged</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted when the layout is about to be changed. <a href="#abe99309231808a48c8f1db2c462f8e2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#5a6a3810afb5333405887df52827db02">layoutChanged</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted when the layout is changed. <a href="#5a6a3810afb5333405887df52827db02"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#6f8b6edf42fc8ee0ffffd5f94fc0cc64">modelReset</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted when the model was reset. <a href="#6f8b6edf42fc8ee0ffffd5f94fc0cc64"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#e5ef6b96132d87e8310dcb22deedcd48">reset</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Resets the model and invalidate any data. <a href="#e5ef6b96132d87e8310dcb22deedcd48"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#c837a73fe423255035ffb076946de122">createIndex</a> (int row, int column, void *ptr) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a model index for the given row and column. <a href="#c837a73fe423255035ffb076946de122"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#ca9c0c10479b66b5f6742a9a31aa9e9f">createIndex</a> (int row, int column, uint64_t id) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a model index for the given row and column. <a href="#ca9c0c10479b66b5f6742a9a31aa9e9f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#1b0c2b404763032e48637a2a3615b2b6">beginInsertColumns</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent, int first, int last)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method to be called before inserting columns. <a href="#1b0c2b404763032e48637a2a3615b2b6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#91e52898a805996aee496877cd090eb4">beginInsertRows</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent, int first, int last)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method to be called before inserting rows. <a href="#91e52898a805996aee496877cd090eb4"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#8dbef6f3633812d2df7289cb7cfb192b">beginRemoveColumns</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent, int first, int last)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method to be called before removing columns. <a href="#8dbef6f3633812d2df7289cb7cfb192b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#5286cc70219c8d8d720abc255b0183f5">beginRemoveRows</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &parent, int first, int last)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method to be called before removing rows. <a href="#5286cc70219c8d8d720abc255b0183f5"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#2422779ff8af9d19c6bfd3e169c84422">endInsertColumns</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method to be called after inserting columns. <a href="#2422779ff8af9d19c6bfd3e169c84422"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#ce03c0bc5b0b57b6add882aaf444b62f">endInsertRows</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method to be called after inserting rows. <a href="#ce03c0bc5b0b57b6add882aaf444b62f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#840b32221ade669cb4e987f86203d1d3">endRemoveColumns</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method to be called after removing columns. <a href="#840b32221ade669cb4e987f86203d1d3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#fceaf639f2a5088f45c00f03d550f262">endRemoveRows</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method to be called after removing rows. <a href="#fceaf639f2a5088f45c00f03d550f262"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Related Functions</h2></td></tr>
<tr><td colspan="2">(Note that these are not member functions.) <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">WT_API <a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#86307ac8fa69203e5de72d7c08197fbc">asString</a> (const boost::any &v, const <a class="el" href="classWt_1_1WString.html">WString</a> &formatString=<a class="el" href="classWt_1_1WString.html">WString</a>())</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Interpret a boost::any as a string value. <a href="#86307ac8fa69203e5de72d7c08197fbc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">WT_API double </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractItemModel.html#7c5468805b11a96579d315875761343f">asNumber</a> (const boost::any &v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Interpret a boost::any as a number value. <a href="#7c5468805b11a96579d315875761343f"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
An abstract model for use with Wt's view classes.
<p>
This abstract model is used by several Wt view widgets (<a class="el" href="classWt_1_1WComboBox.html" title="A widget that provides a drop-down combo-box control.">WComboBox</a>, <a class="el" href="classWt_1_1WSelectionBox.html" title="A selection box allows selection from a list of options.">WSelectionBox</a>, <a class="el" href="classWt_1_1WTreeView.html" title="A view class that displays a model as a tree or tree table.">WTreeView</a>, <a class="el" href="classWt_1_1Ext_1_1ComboBox.html" title="A widget that provides a drop-down combo-box control.">Ext::ComboBox</a>, and <a class="el" href="classWt_1_1Ext_1_1TableView.html" title="A widget that displays data in a table.">Ext::TableView</a>) as data models.<p>
To provide data for both tree-like and table-like view widgets, it organizes data in a hierarchical structure of tables, where every item stores data and optionally a nested table of data. Every data item is at a particular row and column of a parent item, and items may be referenced using the helper class <a class="el" href="classWt_1_1WModelIndex.html" title="An index to a data item in a data model.">WModelIndex</a>.<p>
Top level data have an <a class="el" href="classWt_1_1WModelIndex.html#1d4b05ee51c5c6961d6123565fd77c82">invalid</a> parent <a class="el" href="classWt_1_1WModelIndex.html" title="An index to a data item in a data model.">WModelIndex</a>.<p>
Column header data may also be specified, for each top-level column.<p>
The data itself is of type boost::any, which can either be empty, or hold any of the following type of data:<ul>
<li>bool</li><li>number: standard C++ numeric types (int, double, etc...)</li><li>string: <a class="el" href="classWt_1_1WString.html" title="A unicode string class, with support for localization.">WString</a> or std::string</li><li>date and time: <a class="el" href="classWt_1_1WDate.html" title="A gregorian calendar date.">WDate</a>, <a class="el" href="classWt_1_1WTime.html" title="A clock time.">WTime</a>, <a class="el" href="classWt_1_1WDateTime.html" title="A calendar date and clock time.">WDateTime</a></li></ul>
<p>
Conversion between native types and boost::any is done like this: <ul>
<li>
Conversion from <em>v</em> (of type <em>Type</em>) to boost::any <em>a</em> (for <a class="el" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943" title="Sets data at the given model index.">setData()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#57f5d417f933440db0d38ece7dd370f4" title="Sets header data for a column or row.">setHeaderData()</a>) <pre>
boost::any <em>a</em> = boost::any(<em>v</em>);
</pre> For example: <pre>
<a class="el" href="classWt_1_1WDate.html" title="A gregorian calendar date.">WDate</a> d(1976,6,14);
model->setData(row, column, boost::any(d));
</pre><p>
</li>
<li>
Conversion from boost::any <em>a</em> to <em>v</em> (of type <em>Type</em>) (for <a class="el" href="classWt_1_1WAbstractItemModel.html#9112b74d160f916ef75fb6c1c09dd8fe" title="Returns data at a specific model index.">data()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#86bbab7c809fce4de9b5cb543b2fb124" title="Returns the row or column header data.">headerData()</a>): <pre>
<em>Type v</em> = boost::any_cast<<em>Type</em>>(<em>a</em>);
</pre> For example: <pre>
<a class="el" href="classWt_1_1WDate.html" title="A gregorian calendar date.">WDate</a> d = boost::any_cast<WDate>(model->data(row, column));
</pre> </li>
<li>
Checking if a boost::any <em>a</em> holds a value: <pre>
if (!<em>a</em>.empty()) {
...
}
</pre> </li>
<li>
Determining the value type of a boost::any <em>a</em>, for example: <pre>
if (<em>a</em>.type() == typeid(double)) {
...
}
</pre> </li>
</ul>
<p>
In addition, there are a number of utility functions that try to interpret a boost::any value as a string (<a class="el" href="classWt_1_1WAbstractItemModel.html#86307ac8fa69203e5de72d7c08197fbc" title="Interpret a boost::any as a string value.">asString()</a>) or number (<a class="el" href="classWt_1_1WAbstractItemModel.html#7c5468805b11a96579d315875761343f" title="Interpret a boost::any as a number value.">asNumber()</a>).<p>
To implement a custom model, you need to reimplement the following methods:<ul>
<li><a class="el" href="classWt_1_1WAbstractItemModel.html#83f37bf04b8574b328c139b02523b8cb" title="Returns the child index for the given row and column.">index()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#da454d45706ca0c1a0921dedd351c48c" title="Returns the parent for a model index.">parent()</a> methods that allow one to navigate the model</li><li><a class="el" href="classWt_1_1WAbstractItemModel.html#bcf7912a95a0a60f8e9b1c37d30b8383" title="Returns the number of columns.">columnCount()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#b0709a8f71fd5df882f29bb29fd055f0" title="Returns the number of rows.">rowCount()</a> to specify the top level geometry and the nested geometry at every item</li><li><a class="el" href="classWt_1_1WAbstractItemModel.html#9112b74d160f916ef75fb6c1c09dd8fe" title="Returns data at a specific model index.">data()</a> to return the data for an item</li><li>optionally, <a class="el" href="classWt_1_1WAbstractItemModel.html#86bbab7c809fce4de9b5cb543b2fb124" title="Returns the row or column header data.">headerData()</a> to return row and column header data</li><li>optionally, <a class="el" href="classWt_1_1WAbstractItemModel.html#b5e60f81be797c0553a010eff5b9a592" title="Returns the flags for an item.">flags()</a> to indicate data options</li></ul>
<p>
A crucial point in implementing a hierarchical model is to decide how to reference an index in terms of an internal pointer (<a class="el" href="classWt_1_1WModelIndex.html#44aabe692bba87ba144c1ab9a7f98eb3" title="Returns the internal pointer.">WModelIndex::internalPointer()</a>) or internal id (<a class="el" href="classWt_1_1WModelIndex.html#f0fedac552dfeb6162f10d26d0876c85" title="Returns the internal id.">WModelIndex::internalId()</a>). Other than the top-level index, which is special since it is referenced using an <a class="el" href="classWt_1_1WModelIndex.html#1d4b05ee51c5c6961d6123565fd77c82">invalid</a> index, every index with children must be identifiable using this number or pointer. For example, in the <a class="el" href="classWt_1_1WStandardItemModel.html" title="A standard data model, which stores its data in memory.">WStandardItemModel</a>, the internal pointer points to the parent <a class="el" href="classWt_1_1WStandardItem.html" title="An item in a WStandardItemModel.">WStandardItem</a>. For table models, the internal pointer plays no role, since only the toplevel index has children.<p>
If you want to support editing of the model, then you also need to reimplement:<ul>
<li><a class="el" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943" title="Sets data at the given model index.">setData()</a></li><li><a class="el" href="classWt_1_1WAbstractItemModel.html#57f5d417f933440db0d38ece7dd370f4" title="Sets header data for a column or row.">setHeaderData()</a> View classes will use the <a class="el" href="group__modelview.html#gg0ae864e12320f9f89172735e075ed0686bc0da3ea683a06ee293a5a15f903cde">EditRole</a> to pass an edited value.</li></ul>
<p>
After data was modified, the model must emit the <a class="el" href="classWt_1_1WAbstractItemModel.html#4ebbe404a68b96788938c1ad09d8949e" title="Signal emitted when some data was changed.">dataChanged()</a> signal.<p>
Finally, if you want to support insertion of new data or removal of data (changing the geometry) by any of the view classes, then you need to reimplement the following methods:<ul>
<li><a class="el" href="classWt_1_1WAbstractItemModel.html#bcafc38dc24fd9edf70eafe834ca411d" title="Inserts one or more rows.">insertRows()</a></li><li><a class="el" href="classWt_1_1WAbstractItemModel.html#1eded9eb68b9247ae2ff371f74a5e5f2" title="Inserts one or more columns.">insertColumns()</a></li><li><a class="el" href="classWt_1_1WAbstractItemModel.html#29cf3003ee8f97b2b5de9c52af27361a" title="Removes rows.">removeRows()</a></li><li><a class="el" href="classWt_1_1WAbstractItemModel.html#27428d1a02830336ec9db69c6d0b0762" title="Removes columns.">removeColumns()</a></li></ul>
<p>
Alternatively, you can provide your own API for changing the model. In either case it is important that you call the corresponding protected member functions which will emit the relevant signals so that views can adapt themselves to the new geometry. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="bcf7912a95a0a60f8e9b1c37d30b8383"></a><!-- doxytag: member="Wt::WAbstractItemModel::columnCount" ref="bcf7912a95a0a60f8e9b1c37d30b8383" args="(const WModelIndex &parent=WModelIndex()) const =0" -->
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<td class="memname">virtual int Wt::WAbstractItemModel::columnCount </td>
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<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code> </td>
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<p>
Returns the number of columns.
<p>
This returns the number of columns at index <code>parent</code>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#b0709a8f71fd5df882f29bb29fd055f0" title="Returns the number of rows.">rowCount()</a> </dd></dl>
<p>Implemented in <a class="el" href="classWt_1_1WAbstractListModel.html#c1067d3ba070038275690deb2e9a40f4">Wt::WAbstractListModel</a>, <a class="el" href="classWt_1_1WAggregateProxyModel.html#afec39e7801f9c4b19d6df601a130445">Wt::WAggregateProxyModel</a>, and <a class="el" href="classWt_1_1WSortFilterProxyModel.html#d295e3835ffd9f5e602b3dbb29f93f22">Wt::WSortFilterProxyModel</a>.</p>
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<a class="anchor" name="b0709a8f71fd5df882f29bb29fd055f0"></a><!-- doxytag: member="Wt::WAbstractItemModel::rowCount" ref="b0709a8f71fd5df882f29bb29fd055f0" args="(const WModelIndex &parent=WModelIndex()) const =0" -->
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<td class="memname">virtual int Wt::WAbstractItemModel::rowCount </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code> </td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
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<p>
Returns the number of rows.
<p>
This returns the number of rows at index <code>parent</code>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#bcf7912a95a0a60f8e9b1c37d30b8383" title="Returns the number of columns.">columnCount()</a> </dd></dl>
<p>Implemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#bef979ff954c636e6a2b5b3d429a06a0">Wt::WAggregateProxyModel</a>, <a class="el" href="classWt_1_1WSortFilterProxyModel.html#a4d6d01a9ec7bbdb1d77f31fbd332791">Wt::WSortFilterProxyModel</a>, and <a class="el" href="classWt_1_1WStringListModel.html#81138b8b606df663cc7163265a9b0644">Wt::WStringListModel</a>.</p>
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<a class="anchor" name="b5e60f81be797c0553a010eff5b9a592"></a><!-- doxytag: member="Wt::WAbstractItemModel::flags" ref="b5e60f81be797c0553a010eff5b9a592" args="(const WModelIndex &index) const " -->
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<td class="memname">WFlags< <a class="el" href="group__modelview.html#g1d77c4de293aebfacbdde124de06b8b0">ItemFlag</a> > Wt::WAbstractItemModel::flags </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>index</em> </td>
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<p>
Returns the flags for an item.
<p>
The default implementation returns <a class="el" href="group__modelview.html#gg1d77c4de293aebfacbdde124de06b8b077f858c86a06358abdcc64e4f9d03e40">ItemIsSelectable</a>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__modelview.html#g1d77c4de293aebfacbdde124de06b8b0" title="Flags that indicate data item options.">Wt::ItemFlag</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#55bbf473942cd369f9d8ce5e08cf0c11">Wt::WAbstractProxyModel</a>, and <a class="el" href="classWt_1_1WStringListModel.html#5ee1ba3f7d36612e3a78fdc132b5b327">Wt::WStringListModel</a>.</p>
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<a class="anchor" name="6bb2a7e70f816606351be4a23c453a49"></a><!-- doxytag: member="Wt::WAbstractItemModel::headerFlags" ref="6bb2a7e70f816606351be4a23c453a49" args="(int section, Orientation orientation=Horizontal) const " -->
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<td class="memname">WFlags< <a class="el" href="group__modelview.html#gfb18b4339442f1327c2a65850f3d8a53">HeaderFlag</a> > Wt::WAbstractItemModel::headerFlags </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>section</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> </td>
<td class="paramname"> <em>orientation</em> = <code>Horizontal</code></td><td> </td>
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<p>
Returns the flags for a header.
<p>
The default implementation returns no flags set.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__modelview.html#gfb18b4339442f1327c2a65850f3d8a53" title="Flags that indicate header options.">Wt::HeaderFlag</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#ad873c5eeb40d473bb7127cfc2022658">Wt::WAggregateProxyModel</a>.</p>
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<a class="anchor" name="f26d7dc00f8c1bc15fe3d5d4b64bb371"></a><!-- doxytag: member="Wt::WAbstractItemModel::hasChildren" ref="f26d7dc00f8c1bc15fe3d5d4b64bb371" args="(const WModelIndex &index) const " -->
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<td class="memname">bool Wt::WAbstractItemModel::hasChildren </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>index</em> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
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<p>
Returns if there are children at an index.
<p>
Returns <code>true</code> when rowCount(index) > 0 and columnCount(index) > 0.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#b0709a8f71fd5df882f29bb29fd055f0" title="Returns the number of rows.">rowCount()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#bcf7912a95a0a60f8e9b1c37d30b8383" title="Returns the number of columns.">columnCount()</a> </dd></dl>
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<a class="anchor" name="da454d45706ca0c1a0921dedd351c48c"></a><!-- doxytag: member="Wt::WAbstractItemModel::parent" ref="da454d45706ca0c1a0921dedd351c48c" args="(const WModelIndex &index) const =0" -->
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<td class="memname">virtual <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WAbstractItemModel::parent </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>index</em> </td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
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<p>
Returns the parent for a model index.
<p>
You should use <a class="el" href="classWt_1_1WAbstractItemModel.html#c837a73fe423255035ffb076946de122" title="Creates a model index for the given row and column.">createIndex()</a> to create a model index that corresponds to the parent of a given index.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#83f37bf04b8574b328c139b02523b8cb" title="Returns the child index for the given row and column.">index()</a> </dd></dl>
<p>Implemented in <a class="el" href="classWt_1_1WAbstractListModel.html#b5d047d66626660447a76f17109aef2e">Wt::WAbstractListModel</a>, <a class="el" href="classWt_1_1WAbstractTableModel.html#44b9b329d82283646deeae136d83f656">Wt::WAbstractTableModel</a>, <a class="el" href="classWt_1_1WAggregateProxyModel.html#be70985414fe0634927f72dbfb8f5341">Wt::WAggregateProxyModel</a>, and <a class="el" href="classWt_1_1WSortFilterProxyModel.html#6ad76d2a537d2f8e3f6f084a10e493a3">Wt::WSortFilterProxyModel</a>.</p>
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<a class="anchor" name="9112b74d160f916ef75fb6c1c09dd8fe"></a><!-- doxytag: member="Wt::WAbstractItemModel::data" ref="9112b74d160f916ef75fb6c1c09dd8fe" args="(const WModelIndex &index, int role=DisplayRole) const =0" -->
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<td class="memname">virtual boost::any Wt::WAbstractItemModel::data </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>index</em>, </td>
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<td class="paramname"> <em>role</em> = <code>DisplayRole</code></td><td> </td>
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<td>)</td>
<td></td><td></td><td> const<code> [pure virtual]</code></td>
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<p>
Returns data at a specific model index.
<p>
Return data for a given role at a given index.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#b5e60f81be797c0553a010eff5b9a592" title="Returns the flags for an item.">flags()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#86bbab7c809fce4de9b5cb543b2fb124" title="Returns the row or column header data.">headerData()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943" title="Sets data at the given model index.">setData()</a> </dd></dl>
<p>Implemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#816f887f847e838e6b2cb3539f1614cd">Wt::WAbstractProxyModel</a>, and <a class="el" href="classWt_1_1WStringListModel.html#a953d435f25052df7b2c09a6f180c606">Wt::WStringListModel</a>.</p>
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<a class="anchor" name="74055362d502d80375c6599f6f8ea1cf"></a><!-- doxytag: member="Wt::WAbstractItemModel::itemData" ref="74055362d502d80375c6599f6f8ea1cf" args="(const WModelIndex &index) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WAbstractItemModel.html#2e3827f2fab4fb171077dcfced9078b2">WAbstractItemModel::DataMap</a> Wt::WAbstractItemModel::itemData </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>index</em> </td>
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<td> const<code> [virtual]</code></td>
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<p>
Returns all data at a specific index.
<p>
This is a convenience function that returns a map with data corresponding to all standard roles.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#9112b74d160f916ef75fb6c1c09dd8fe" title="Returns data at a specific model index.">data()</a> </dd></dl>
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<a class="anchor" name="86bbab7c809fce4de9b5cb543b2fb124"></a><!-- doxytag: member="Wt::WAbstractItemModel::headerData" ref="86bbab7c809fce4de9b5cb543b2fb124" args="(int section, Orientation orientation=Horizontal, int role=DisplayRole) const " -->
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<td class="memname">boost::any Wt::WAbstractItemModel::headerData </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>section</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> </td>
<td class="paramname"> <em>orientation</em> = <code>Horizontal</code>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>role</em> = <code>DisplayRole</code></td><td> </td>
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<td></td><td></td><td> const<code> [virtual]</code></td>
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<p>
Returns the row or column header data.
<p>
When <code>orientation</code> is <a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912c2ebf22b096a22b18eef23e736aa2e28">Horizontal</a>, <code>section</code> is a column number, when <code>orientation</code> is <a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912f916b7ec24727db2d972f0770170c7f5">Vertical</a>, <code>section</code> is a row number.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#9112b74d160f916ef75fb6c1c09dd8fe" title="Returns data at a specific model index.">data()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#57f5d417f933440db0d38ece7dd370f4" title="Sets header data for a column or row.">setHeaderData()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#ccb1c7428e090aa881a30eefa15141c1">Wt::WAggregateProxyModel</a>, and <a class="el" href="classWt_1_1WSortFilterProxyModel.html#bd144908bf36785333b43c48b437dbdd">Wt::WSortFilterProxyModel</a>.</p>
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<a class="anchor" name="83f37bf04b8574b328c139b02523b8cb"></a><!-- doxytag: member="Wt::WAbstractItemModel::index" ref="83f37bf04b8574b328c139b02523b8cb" args="(int row, int column, const WModelIndex &parent=WModelIndex()) const =0" -->
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<td class="memname">virtual <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WAbstractItemModel::index </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
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<td>)</td>
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<p>
Returns the child index for the given row and column.
<p>
When implementing this method, you can use <a class="el" href="classWt_1_1WAbstractItemModel.html#c837a73fe423255035ffb076946de122" title="Creates a model index for the given row and column.">createIndex()</a> to create an index that corresponds to the item at <code>row</code> and <code>column</code> within <code>parent</code>.<p>
If the location is invalid (out of bounds at the parent), then an invalid index must be returned.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#da454d45706ca0c1a0921dedd351c48c" title="Returns the parent for a model index.">parent()</a> </dd></dl>
<p>Implemented in <a class="el" href="classWt_1_1WAbstractListModel.html#256e0cbdd9e62e1eef61063bd350d492">Wt::WAbstractListModel</a>, <a class="el" href="classWt_1_1WAbstractTableModel.html#4f025afd9303676b1789dd336dfcbe7c">Wt::WAbstractTableModel</a>, <a class="el" href="classWt_1_1WAggregateProxyModel.html#7733a1eacce2d55230776d6b472cf14c">Wt::WAggregateProxyModel</a>, and <a class="el" href="classWt_1_1WSortFilterProxyModel.html#018f06cc89846655bd0db3c7a9eebfcb">Wt::WSortFilterProxyModel</a>.</p>
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<a class="anchor" name="3da35dbccda1599067d1358458f2d48c"></a><!-- doxytag: member="Wt::WAbstractItemModel::match" ref="3da35dbccda1599067d1358458f2d48c" args="(const WModelIndex &start, int role, const boost::any &value, int hits=-1, WFlags< MatchFlag > flags=WFlags< MatchFlag >(MatchStartsWith|MatchWrap)) const " -->
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<td class="memname">WModelIndexList Wt::WAbstractItemModel::match </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>start</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>role</em>, </td>
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<td class="paramtype">const boost::any & </td>
<td class="paramname"> <em>value</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>hits</em> = <code>-1</code>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">WFlags< <a class="el" href="group__modelview.html#gad8dd5072a40c11a34ee548bfb20b2ba">MatchFlag</a> > </td>
<td class="paramname"> <em>flags</em> = <code>WFlags<<a class="el" href="group__modelview.html#gad8dd5072a40c11a34ee548bfb20b2ba">MatchFlag</a>>(MatchStartsWith | MatchWrap)</code></td><td> </td>
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<td>)</td>
<td></td><td></td><td> const<code> [virtual]</code></td>
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<p>
Returns an index list for data items that match.
<p>
Returns an index list of data items that match, starting at start, and searching further in that column. If flags specifes MatchWrap then the search wraps around from the start. If hits is not -1, then at most that number of hits are returned.
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<a class="anchor" name="0301a303654b113f7f11686dff277228"></a><!-- doxytag: member="Wt::WAbstractItemModel::data" ref="0301a303654b113f7f11686dff277228" args="(int row, int column, int role=DisplayRole, const WModelIndex &parent=WModelIndex()) const " -->
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<td class="memname">boost::any Wt::WAbstractItemModel::data </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>role</em> = <code>DisplayRole</code>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
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<td>)</td>
<td></td><td></td><td> const</td>
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<p>
Returns the data item at the given column and row.
<p>
This is a convenience method, and is equivalent to: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WAbstractItemModel.html#83f37bf04b8574b328c139b02523b8cb" title="Returns the child index for the given row and column.">index</a>(row, column, parent).data(role)
</pre></div><p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#83f37bf04b8574b328c139b02523b8cb" title="Returns the child index for the given row and column.">index()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#9112b74d160f916ef75fb6c1c09dd8fe" title="Returns data at a specific model index.">data()</a> </dd></dl>
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<a class="anchor" name="f8453f8f06427e598a35000723c5b86c"></a><!-- doxytag: member="Wt::WAbstractItemModel::hasIndex" ref="f8453f8f06427e598a35000723c5b86c" args="(int row, int column, const WModelIndex &parent=WModelIndex()) const " -->
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<td class="memname">bool Wt::WAbstractItemModel::hasIndex </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [virtual]</code></td>
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<p>
Returns if an index at the given position is valid (i.e. falls within the column-row bounds).
<p>
Equivalent to: <div class="fragment"><pre class="fragment"> <span class="keywordflow">return</span> row >= 0 && column >= 0
&& row < <a class="code" href="classWt_1_1WAbstractItemModel.html#b0709a8f71fd5df882f29bb29fd055f0" title="Returns the number of rows.">rowCount</a>(parent) && column < <a class="code" href="classWt_1_1WAbstractItemModel.html#bcf7912a95a0a60f8e9b1c37d30b8383" title="Returns the number of columns.">columnCount</a>(parent);
</pre></div><p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#b0709a8f71fd5df882f29bb29fd055f0" title="Returns the number of rows.">rowCount()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#bcf7912a95a0a60f8e9b1c37d30b8383" title="Returns the number of columns.">columnCount()</a> </dd></dl>
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<a class="anchor" name="1eded9eb68b9247ae2ff371f74a5e5f2"></a><!-- doxytag: member="Wt::WAbstractItemModel::insertColumns" ref="1eded9eb68b9247ae2ff371f74a5e5f2" args="(int column, int count, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractItemModel::insertColumns </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<div class="memdoc">
<p>
Inserts one or more columns.
<p>
Returns <code>true</code> if the operation was successful.<p>
The default implementation returns <code>false</code>. If you reimplement this method, then you must call <a class="el" href="classWt_1_1WAbstractItemModel.html#1b0c2b404763032e48637a2a3615b2b6" title="Method to be called before inserting columns.">beginInsertColumns()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#2422779ff8af9d19c6bfd3e169c84422" title="Method to be called after inserting columns.">endInsertColumns()</a> before and after the operation.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#bcafc38dc24fd9edf70eafe834ca411d" title="Inserts one or more rows.">insertRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#27428d1a02830336ec9db69c6d0b0762" title="Removes columns.">removeColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#1b0c2b404763032e48637a2a3615b2b6" title="Method to be called before inserting columns.">beginInsertColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#2422779ff8af9d19c6bfd3e169c84422" title="Method to be called after inserting columns.">endInsertColumns()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#5d3d940e4789d25791efead3fd14b9aa">Wt::WAbstractProxyModel</a>.</p>
</div>
</div><p>
<a class="anchor" name="bcafc38dc24fd9edf70eafe834ca411d"></a><!-- doxytag: member="Wt::WAbstractItemModel::insertRows" ref="bcafc38dc24fd9edf70eafe834ca411d" args="(int row, int count, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractItemModel::insertRows </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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</table>
</div>
<div class="memdoc">
<p>
Inserts one or more rows.
<p>
Returns <code>true</code> if the operation was successful. If you reimplement this method, then you must call <a class="el" href="classWt_1_1WAbstractItemModel.html#91e52898a805996aee496877cd090eb4" title="Method to be called before inserting rows.">beginInsertRows()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#ce03c0bc5b0b57b6add882aaf444b62f" title="Method to be called after inserting rows.">endInsertRows()</a> before and after the operation.<p>
The default implementation returns <code>false</code>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#1eded9eb68b9247ae2ff371f74a5e5f2" title="Inserts one or more columns.">insertColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#29cf3003ee8f97b2b5de9c52af27361a" title="Removes rows.">removeRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#91e52898a805996aee496877cd090eb4" title="Method to be called before inserting rows.">beginInsertRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#ce03c0bc5b0b57b6add882aaf444b62f" title="Method to be called after inserting rows.">endInsertRows()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#6ee3a51e41a45d91472382093c0a1984">Wt::WAbstractProxyModel</a>, and <a class="el" href="classWt_1_1WStringListModel.html#0c22294fa02436654cde45e34a84a228">Wt::WStringListModel</a>.</p>
</div>
</div><p>
<a class="anchor" name="27428d1a02830336ec9db69c6d0b0762"></a><!-- doxytag: member="Wt::WAbstractItemModel::removeColumns" ref="27428d1a02830336ec9db69c6d0b0762" args="(int column, int count, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractItemModel::removeColumns </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Removes columns.
<p>
Returns <code>true</code> if the operation was successful.<p>
The default implementation returns <code>false</code>. If you reimplement this method, then you must call <a class="el" href="classWt_1_1WAbstractItemModel.html#8dbef6f3633812d2df7289cb7cfb192b" title="Method to be called before removing columns.">beginRemoveColumns()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#840b32221ade669cb4e987f86203d1d3" title="Method to be called after removing columns.">endRemoveColumns()</a> before and after the operation.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#29cf3003ee8f97b2b5de9c52af27361a" title="Removes rows.">removeRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#1eded9eb68b9247ae2ff371f74a5e5f2" title="Inserts one or more columns.">insertColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#8dbef6f3633812d2df7289cb7cfb192b" title="Method to be called before removing columns.">beginRemoveColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#840b32221ade669cb4e987f86203d1d3" title="Method to be called after removing columns.">endRemoveColumns()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#9da4b69588ca66ef9d591e6b1433c655">Wt::WAbstractProxyModel</a>.</p>
</div>
</div><p>
<a class="anchor" name="29cf3003ee8f97b2b5de9c52af27361a"></a><!-- doxytag: member="Wt::WAbstractItemModel::removeRows" ref="29cf3003ee8f97b2b5de9c52af27361a" args="(int row, int count, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractItemModel::removeRows </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Removes rows.
<p>
Returns <code>true</code> if the operation was successful.<p>
The default implementation returns <code>false</code>. If you reimplement this method, then you must call <a class="el" href="classWt_1_1WAbstractItemModel.html#5286cc70219c8d8d720abc255b0183f5" title="Method to be called before removing rows.">beginRemoveRows()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#fceaf639f2a5088f45c00f03d550f262" title="Method to be called after removing rows.">endRemoveRows()</a> before and after the operation.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#27428d1a02830336ec9db69c6d0b0762" title="Removes columns.">removeColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#bcafc38dc24fd9edf70eafe834ca411d" title="Inserts one or more rows.">insertRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#5286cc70219c8d8d720abc255b0183f5" title="Method to be called before removing rows.">beginRemoveRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#fceaf639f2a5088f45c00f03d550f262" title="Method to be called after removing rows.">endRemoveRows()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#0c8d19dd3efcff79781566c634ec7522">Wt::WAbstractProxyModel</a>, and <a class="el" href="classWt_1_1WStringListModel.html#5d73ec0b7b622a4117afaebea3d4ce6b">Wt::WStringListModel</a>.</p>
</div>
</div><p>
<a class="anchor" name="70856db8c322be8c7f397a932165a943"></a><!-- doxytag: member="Wt::WAbstractItemModel::setData" ref="70856db8c322be8c7f397a932165a943" args="(const WModelIndex &index, const boost::any &value, int role=EditRole)" -->
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<td class="memname">bool Wt::WAbstractItemModel::setData </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>index</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const boost::any & </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>role</em> = <code>EditRole</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<div class="memdoc">
<p>
Sets data at the given model index.
<p>
Returns <code>true</code> if the operation was successful.<p>
The default implementation returns <code>false</code>. If you reimplement this method, you must emit the <a class="el" href="classWt_1_1WAbstractItemModel.html#4ebbe404a68b96788938c1ad09d8949e" title="Signal emitted when some data was changed.">dataChanged()</a> signal after data was changed.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#9112b74d160f916ef75fb6c1c09dd8fe" title="Returns data at a specific model index.">data()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#59e6feb26b7e6f714cb84ad14c3fdb15">Wt::WAbstractProxyModel</a>, and <a class="el" href="classWt_1_1WStringListModel.html#9a650aa1d48d5e634573c930a5f62b45">Wt::WStringListModel</a>.</p>
</div>
</div><p>
<a class="anchor" name="c60d1042bf1bcea9c262d3de30c520fd"></a><!-- doxytag: member="Wt::WAbstractItemModel::setItemData" ref="c60d1042bf1bcea9c262d3de30c520fd" args="(const WModelIndex &index, const DataMap &values)" -->
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<td class="memname">bool Wt::WAbstractItemModel::setItemData </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>index</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WAbstractItemModel.html#2e3827f2fab4fb171077dcfced9078b2">DataMap</a> & </td>
<td class="paramname"> <em>values</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<div class="memdoc">
<p>
Sets data at the given model index.
<p>
This is a convenience function that sets data for all roles at once.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943" title="Sets data at the given model index.">setData()</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="57f5d417f933440db0d38ece7dd370f4"></a><!-- doxytag: member="Wt::WAbstractItemModel::setHeaderData" ref="57f5d417f933440db0d38ece7dd370f4" args="(int section, Orientation orientation, const boost::any &value, int role=EditRole)" -->
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<td class="memname">bool Wt::WAbstractItemModel::setHeaderData </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>section</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> </td>
<td class="paramname"> <em>orientation</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const boost::any & </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>role</em> = <code>EditRole</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>
Sets header data for a column or row.
<p>
Returns <code>true</code> if the operation was successful.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#86bbab7c809fce4de9b5cb543b2fb124" title="Returns the row or column header data.">headerData()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#e70467185337c5ef4fd1a14a2f1397f8">Wt::WAggregateProxyModel</a>, and <a class="el" href="classWt_1_1WSortFilterProxyModel.html#54eea17b2e88ebebcdba479f2f2ffc9c">Wt::WSortFilterProxyModel</a>.</p>
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<a class="anchor" name="fad1dffa150e21c73f71802d9784279f"></a><!-- doxytag: member="Wt::WAbstractItemModel::setHeaderData" ref="fad1dffa150e21c73f71802d9784279f" args="(int section, const boost::any &value)" -->
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<p>
Sets column header data.
<p>
Returns <code>true</code> if the operation was successful.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#57f5d417f933440db0d38ece7dd370f4" title="Sets header data for a column or row.">setHeaderData(int, Orientation, const boost::any&, int)</a> </dd></dl>
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<a class="anchor" name="133931424d4daa8422bcdea911cda713"></a><!-- doxytag: member="Wt::WAbstractItemModel::sort" ref="133931424d4daa8422bcdea911cda713" args="(int column, SortOrder order=AscendingOrder)" -->
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<td class="memname">void Wt::WAbstractItemModel::sort </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
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<td class="paramtype"><a class="el" href="group__modelview.html#g4173856040cf108a9c7360927a43ebac">SortOrder</a> </td>
<td class="paramname"> <em>order</em> = <code>AscendingOrder</code></td><td> </td>
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<td></td><td></td><td><code> [virtual]</code></td>
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<p>
Sorts the model according to a particular column.
<p>
If the model supports sorting, then it should emit the <a class="el" href="classWt_1_1WAbstractItemModel.html#abe99309231808a48c8f1db2c462f8e2" title="Signal emitted when the layout is about to be changed.">layoutAboutToBeChanged()</a> signal, rearrange its items, and afterwards emit the <a class="el" href="classWt_1_1WAbstractItemModel.html#5a6a3810afb5333405887df52827db02" title="Signal emitted when the layout is changed.">layoutChanged()</a> signal.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#abe99309231808a48c8f1db2c462f8e2" title="Signal emitted when the layout is about to be changed.">layoutAboutToBeChanged()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#5a6a3810afb5333405887df52827db02" title="Signal emitted when the layout is changed.">layoutChanged()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#a5fc80d856911d48ed0bd2efd5c376e2">Wt::WAggregateProxyModel</a>, <a class="el" href="classWt_1_1WSortFilterProxyModel.html#119a5cdf51974371db37ae6972e5955b">Wt::WSortFilterProxyModel</a>, <a class="el" href="classWt_1_1WStandardItemModel.html#884ad9c56cee759be868b3db5c520ee2">Wt::WStandardItemModel</a>, and <a class="el" href="classWt_1_1WStringListModel.html#3cc26548b0301db88afc8a52a59e8f55">Wt::WStringListModel</a>.</p>
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<a class="anchor" name="d7da483e201a6a0d717438049ce1f1d1"></a><!-- doxytag: member="Wt::WAbstractItemModel::expandColumn" ref="d7da483e201a6a0d717438049ce1f1d1" args="(int column)" -->
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<td class="memname">void Wt::WAbstractItemModel::expandColumn </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>column</em> </td>
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<td><code> [virtual]</code></td>
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<p>
Expands a column.
<p>
Expands a column. This may only be called by a view when the <a class="el" href="group__modelview.html#ggfb18b4339442f1327c2a65850f3d8a5355020edcd8019b7fd0b330283b194929" title="Flag that indicates that the column can be expanded.">Wt::ColumnIsCollapsed</a> flag is set.<p>
The default implementation does nothing.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAggregateProxyModel.html" title="A proxy model for Wt's item models that provides column aggregation.">WAggregateProxyModel</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#ccddd20f3e9110bb7a1797ec9ed84085">Wt::WAggregateProxyModel</a>.</p>
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<a class="anchor" name="ccd1f651c0b01ae897a52b9ad4b0f553"></a><!-- doxytag: member="Wt::WAbstractItemModel::collapseColumn" ref="ccd1f651c0b01ae897a52b9ad4b0f553" args="(int column)" -->
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<td class="memname">void Wt::WAbstractItemModel::collapseColumn </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Collapses a column.
<p>
Collapses a column. This may only be called by a view when the <a class="el" href="group__modelview.html#ggfb18b4339442f1327c2a65850f3d8a53db54e2a704ae37581af6cc33828fef71" title="Flag that indicates that the column was expanded to the left.">Wt::ColumnIsExpandedLeft</a> or <a class="el" href="group__modelview.html#ggfb18b4339442f1327c2a65850f3d8a53b8f2b2845555220afc9c3c24c43194cd" title="Flag that indicates that the column was expanded to the right.">Wt::ColumnIsExpandedRight</a> flag is set.<p>
The default implementation does nothing.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAggregateProxyModel.html" title="A proxy model for Wt's item models that provides column aggregation.">WAggregateProxyModel</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#44082771ca19bdcd648e4cb6c4cf08be">Wt::WAggregateProxyModel</a>.</p>
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<a class="anchor" name="5c4db8b3265c914f77efead35450f6dc"></a><!-- doxytag: member="Wt::WAbstractItemModel::toRawIndex" ref="5c4db8b3265c914f77efead35450f6dc" args="(const WModelIndex &index) const " -->
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<td class="memname">void * Wt::WAbstractItemModel::toRawIndex </td>
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<td class="paramname"> <em>index</em> </td>
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<p>
Converts a model index to a raw pointer that remains valid while the model's layout is changed.
<p>
Use this method to temporarily save model indexes while the model's layout is changed by for example a sorting operation.<p>
The default implementation returns <code>0</code>, which indicates that the index cannot be converted to a raw pointer. If you reimplement this method, you also need to reimplemnt <a class="el" href="classWt_1_1WAbstractItemModel.html#85beaaea2e8609556543019618fd2a89" title="Converts a raw pointer to a model index.">fromRawIndex()</a>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#abe99309231808a48c8f1db2c462f8e2" title="Signal emitted when the layout is about to be changed.">layoutAboutToBeChanged</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#133931424d4daa8422bcdea911cda713" title="Sorts the model according to a particular column.">sort()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#85beaaea2e8609556543019618fd2a89" title="Converts a raw pointer to a model index.">fromRawIndex()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#4c406e858ed3020a2fac8414293bed2f">Wt::WAbstractProxyModel</a>.</p>
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<a class="anchor" name="85beaaea2e8609556543019618fd2a89"></a><!-- doxytag: member="Wt::WAbstractItemModel::fromRawIndex" ref="85beaaea2e8609556543019618fd2a89" args="(void *rawIndex) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WAbstractItemModel::fromRawIndex </td>
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<td class="paramtype">void * </td>
<td class="paramname"> <em>rawIndex</em> </td>
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<p>
Converts a raw pointer to a model index.
<p>
Use this method to create model index from temporary raw pointers. It is the reciproce method of <a class="el" href="classWt_1_1WAbstractItemModel.html#5c4db8b3265c914f77efead35450f6dc" title="Converts a model index to a raw pointer that remains valid while the model's...">toRawIndex()</a>.<p>
You can return an invalid modelindex if the rawIndex no longer points to a valid item because of the layout change.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#5c4db8b3265c914f77efead35450f6dc" title="Converts a model index to a raw pointer that remains valid while the model's...">toRawIndex()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#c32c44c4ac80644bd4293e2d250f6fa6">Wt::WAbstractProxyModel</a>.</p>
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<a class="anchor" name="4c62d2cc18d133d7926a91b4f2eebe62"></a><!-- doxytag: member="Wt::WAbstractItemModel::mimeType" ref="4c62d2cc18d133d7926a91b4f2eebe62" args="() const " -->
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<td class="memname">std::string Wt::WAbstractItemModel::mimeType </td>
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<p>
Returns a mime-type for dragging a set of indexes.
<p>
This method returns a mime-type that describes dragging of a selection of items.<p>
The drop event will indicate a <a class="el" href="classWt_1_1WItemSelectionModel.html">selection model</a> for this abstract item model as <a class="el" href="classWt_1_1WDropEvent.html#dfe27a00e34b7322a52bc7dc73d4d5af">source</a>.<p>
The default implementation returns a mime-type for generic drag&drop support between abstract item models.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#9e92a29b30e3d4de1f6df9f505e952c2" title="Returns a list of mime-types that could be accepted for a drop event.">acceptDropMimeTypes()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#59b7d0b8afcc709be5a93a08e92e0857">Wt::WAbstractProxyModel</a>.</p>
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<a class="anchor" name="9e92a29b30e3d4de1f6df9f505e952c2"></a><!-- doxytag: member="Wt::WAbstractItemModel::acceptDropMimeTypes" ref="9e92a29b30e3d4de1f6df9f505e952c2" args="() const " -->
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<td class="memname">std::vector< std::string > Wt::WAbstractItemModel::acceptDropMimeTypes </td>
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<p>
Returns a list of mime-types that could be accepted for a drop event.
<p>
The default implementation only accepts drag&drop support between abstract item models.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#4c62d2cc18d133d7926a91b4f2eebe62" title="Returns a mime-type for dragging a set of indexes.">mimeType()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#c315164c99220a7846d1303a56188054">Wt::WAbstractProxyModel</a>.</p>
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<a class="anchor" name="f9142a0328922a1b6872f0186164b066"></a><!-- doxytag: member="Wt::WAbstractItemModel::dropEvent" ref="f9142a0328922a1b6872f0186164b066" args="(const WDropEvent &e, DropAction action, int row, int column, const WModelIndex &parent)" -->
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<td class="memname">void Wt::WAbstractItemModel::dropEvent </td>
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<td class="paramtype"><a class="el" href="group__modelview.html#gca801bdfb957c360c5f8709cc46949aa">DropAction</a> </td>
<td class="paramname"> <em>action</em>, </td>
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<td class="paramtype">int </td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>parent</em></td><td> </td>
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<p>
Handles a drop event.
<p>
The default implementation only handles generic drag&drop between abstract item models. Source item data is copied (but not the source item's flags).<p>
The location in the model is indicated by the <code>row</code> and <code>column</code> within the <code>parent</code> index. If <code>row</code> is -1, then the item is appended to the <code>parent</code>. Otherwise, the item is inserted at or copied over the indicated item (and subsequent rows). When <code>action</code> is a <a class="el" href="group__modelview.html#ggca801bdfb957c360c5f8709cc46949aa3f0ed7a05e822a2623d65f15e573bc73">MoveAction</a>, the original items are deleted from the source model.<p>
You may want to reimplement this method if you want to handle other mime-type data, or if you want to refine how the drop event of an item selection must be interpreted.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>Currently, only row selections are handled by the default implementation.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#4c62d2cc18d133d7926a91b4f2eebe62" title="Returns a mime-type for dragging a set of indexes.">mimeType()</a>, <a class="el" href="classWt_1_1WItemSelectionModel.html" title="A class that represents a selection for a WAbstractItemView.">WItemSelectionModel</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classWt_1_1WAbstractProxyModel.html#cd6129e7686db3e3ddf1e000a379983e">Wt::WAbstractProxyModel</a>.</p>
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<a class="anchor" name="d0e634e9fb1276703e41438e8aa50cca"></a><!-- doxytag: member="Wt::WAbstractItemModel::insertColumn" ref="d0e634e9fb1276703e41438e8aa50cca" args="(int column, const WModelIndex &parent=WModelIndex())" -->
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<p>
Inserts one column.
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This is a convenience method that adds a single column, and is equivalent to: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WAbstractItemModel.html#1eded9eb68b9247ae2ff371f74a5e5f2" title="Inserts one or more columns.">insertColumns</a>(column, 1, parent);
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Returns <code>true</code> if the operation was successful.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#1eded9eb68b9247ae2ff371f74a5e5f2" title="Inserts one or more columns.">insertColumns()</a> </dd></dl>
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<a class="anchor" name="f4a389e8544fc887a24099c506c8bd7b"></a><!-- doxytag: member="Wt::WAbstractItemModel::insertRow" ref="f4a389e8544fc887a24099c506c8bd7b" args="(int row, const WModelIndex &parent=WModelIndex())" -->
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<p>
Inserts one row.
<p>
This is a convenience method that adds a single row, and is equivalent to: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WAbstractItemModel.html#bcafc38dc24fd9edf70eafe834ca411d" title="Inserts one or more rows.">insertRows</a>(row, 1, parent);
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Returns <code>true</code> if the operation was successful.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#bcafc38dc24fd9edf70eafe834ca411d" title="Inserts one or more rows.">insertRows()</a> </dd></dl>
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<a class="anchor" name="7b46c63a32eb9ca9838a1a7cd5853552"></a><!-- doxytag: member="Wt::WAbstractItemModel::removeColumn" ref="7b46c63a32eb9ca9838a1a7cd5853552" args="(int column, const WModelIndex &parent=WModelIndex())" -->
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<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
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<p>
Removes one column.
<p>
This is a convenience method that removes a single column, and is equivalent to: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WAbstractItemModel.html#27428d1a02830336ec9db69c6d0b0762" title="Removes columns.">removeColumns</a>(column, 1, parent);
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Returns <code>true</code> if the operation was successful.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#27428d1a02830336ec9db69c6d0b0762" title="Removes columns.">removeColumns()</a> </dd></dl>
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<a class="anchor" name="da64c5f4d4eba6cecab2c1e443372cb3"></a><!-- doxytag: member="Wt::WAbstractItemModel::removeRow" ref="da64c5f4d4eba6cecab2c1e443372cb3" args="(int row, const WModelIndex &parent=WModelIndex())" -->
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<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
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<td></td>
<td>)</td>
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<p>
Removes one row.
<p>
This is a convenience method that removes a single row, and is equivalent to: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WAbstractItemModel.html#29cf3003ee8f97b2b5de9c52af27361a" title="Removes rows.">removeRows</a>(row, 1, parent);
</pre></div><p>
Returns <code>true</code> if the operation was successful.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#29cf3003ee8f97b2b5de9c52af27361a" title="Removes rows.">removeRows()</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="df3aee29503da7f4a78bafeb96956195"></a><!-- doxytag: member="Wt::WAbstractItemModel::setData" ref="df3aee29503da7f4a78bafeb96956195" args="(int row, int column, const boost::any &value, int role=EditRole, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractItemModel::setData </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
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<td class="paramtype">const boost::any & </td>
<td class="paramname"> <em>value</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>role</em> = <code>EditRole</code>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em> = <code><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>()</code></td><td> </td>
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<td>)</td>
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<p>
Sets data at the given row and column.
<p>
This is a convience method, and is equivalent to: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943" title="Sets data at the given model index.">setData</a>(<a class="code" href="classWt_1_1WAbstractItemModel.html#83f37bf04b8574b328c139b02523b8cb" title="Returns the child index for the given row and column.">index</a>(row, column, parent), value, role);
</pre></div><p>
Returns <code>true</code> if the operation was successful.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943" title="Sets data at the given model index.">setData()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#83f37bf04b8574b328c139b02523b8cb" title="Returns the child index for the given row and column.">index()</a> </dd></dl>
</div>
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<a class="anchor" name="9b11b278c699be7ac4a0f884674930ea"></a><!-- doxytag: member="Wt::WAbstractItemModel::columnsAboutToBeInserted" ref="9b11b278c699be7ac4a0f884674930ea" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int>& Wt::WAbstractItemModel::columnsAboutToBeInserted </td>
<td>(</td>
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<td><code> [inline]</code></td>
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<p>
Signal emitted before a number of columns will be inserted.
<p>
The first argument is the parent index. The two integer arguments are the column numbers that the first and last column will have when inserted.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#7b4bc9dc277611d5418da10d5ccdc88d" title="Signal emitted after a number of columns were inserted.">columnsInserted()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#1b0c2b404763032e48637a2a3615b2b6" title="Method to be called before inserting columns.">beginInsertColumns()</a> </dd></dl>
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<a class="anchor" name="49d23404fac611a5e985bd6add415180"></a><!-- doxytag: member="Wt::WAbstractItemModel::columnsAboutToBeRemoved" ref="49d23404fac611a5e985bd6add415180" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int>& Wt::WAbstractItemModel::columnsAboutToBeRemoved </td>
<td>(</td>
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<td><code> [inline]</code></td>
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<p>
Signal emitted before a number of columns will be removed.
<p>
The first argument is the parent index. The two integer arguments are the column numbers of the first and last column that will be removed.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#5c7b456e7cfe569dcc0b119a617e772a" title="Signal emitted after a number of columns were removed.">columnsRemoved()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#8dbef6f3633812d2df7289cb7cfb192b" title="Method to be called before removing columns.">beginRemoveColumns()</a> </dd></dl>
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<a class="anchor" name="7b4bc9dc277611d5418da10d5ccdc88d"></a><!-- doxytag: member="Wt::WAbstractItemModel::columnsInserted" ref="7b4bc9dc277611d5418da10d5ccdc88d" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int>& Wt::WAbstractItemModel::columnsInserted </td>
<td>(</td>
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<p>
Signal emitted after a number of columns were inserted.
<p>
The first argument is the parent index. The two integer arguments are the column numbers of the first and last column that were inserted.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#9b11b278c699be7ac4a0f884674930ea" title="Signal emitted before a number of columns will be inserted.">columnsAboutToBeInserted()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#2422779ff8af9d19c6bfd3e169c84422" title="Method to be called after inserting columns.">endInsertColumns()</a> </dd></dl>
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<a class="anchor" name="5c7b456e7cfe569dcc0b119a617e772a"></a><!-- doxytag: member="Wt::WAbstractItemModel::columnsRemoved" ref="5c7b456e7cfe569dcc0b119a617e772a" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int>& Wt::WAbstractItemModel::columnsRemoved </td>
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<p>
Signal emitted after a number of columns were removed.
<p>
The first argument is the parent index. The two integer arguments are the column numbers of the first and last column that were removed.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#49d23404fac611a5e985bd6add415180" title="Signal emitted before a number of columns will be removed.">columnsAboutToBeRemoved()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#840b32221ade669cb4e987f86203d1d3" title="Method to be called after removing columns.">endRemoveColumns()</a> </dd></dl>
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<a class="anchor" name="010d346c7f2cf9f171b1a2a2ef2a8ef0"></a><!-- doxytag: member="Wt::WAbstractItemModel::rowsAboutToBeInserted" ref="010d346c7f2cf9f171b1a2a2ef2a8ef0" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int>& Wt::WAbstractItemModel::rowsAboutToBeInserted </td>
<td>(</td>
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<td><code> [inline]</code></td>
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<p>
Signal emitted before a number of rows will be inserted.
<p>
The first argument is the parent index. The two integer arguments are the row numbers that the first and last row will have when inserted.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#ab3dacfac60fd5c6426456ecd2ad5827" title="Signal emitted after a number of rows were inserted.">rowsInserted()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#91e52898a805996aee496877cd090eb4" title="Method to be called before inserting rows.">beginInsertRows()</a> </dd></dl>
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<a class="anchor" name="ef95610167317fee3a6574ab399444fd"></a><!-- doxytag: member="Wt::WAbstractItemModel::rowsAboutToBeRemoved" ref="ef95610167317fee3a6574ab399444fd" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int>& Wt::WAbstractItemModel::rowsAboutToBeRemoved </td>
<td>(</td>
<td class="paramname"> </td>
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<td><code> [inline]</code></td>
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<div class="memdoc">
<p>
Signal emitted before a number of rows will be removed.
<p>
The first argument is the parent index. The two integer arguments are the row numbers of the first and last row that will be removed.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#32ce4be0295de34fbb6a3108dc8585e4" title="Signal emitted after a number of rows were removed.">rowsRemoved()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#5286cc70219c8d8d720abc255b0183f5" title="Method to be called before removing rows.">beginRemoveRows()</a> </dd></dl>
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<a class="anchor" name="ab3dacfac60fd5c6426456ecd2ad5827"></a><!-- doxytag: member="Wt::WAbstractItemModel::rowsInserted" ref="ab3dacfac60fd5c6426456ecd2ad5827" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int>& Wt::WAbstractItemModel::rowsInserted </td>
<td>(</td>
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<td><code> [inline]</code></td>
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<p>
Signal emitted after a number of rows were inserted.
<p>
The first argument is the parent index. The two integer arguments are the row numbers of the first and last row that were inserted.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#010d346c7f2cf9f171b1a2a2ef2a8ef0" title="Signal emitted before a number of rows will be inserted.">rowsAboutToBeInserted()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#ce03c0bc5b0b57b6add882aaf444b62f" title="Method to be called after inserting rows.">endInsertRows()</a> </dd></dl>
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<a class="anchor" name="32ce4be0295de34fbb6a3108dc8585e4"></a><!-- doxytag: member="Wt::WAbstractItemModel::rowsRemoved" ref="32ce4be0295de34fbb6a3108dc8585e4" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, int, int>& Wt::WAbstractItemModel::rowsRemoved </td>
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<p>
Signal emitted after a number of rows were removed.
<p>
The first argument is the parent index. The two integer arguments are the row numbers of the first and last row that were removed.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#ef95610167317fee3a6574ab399444fd" title="Signal emitted before a number of rows will be removed.">rowsAboutToBeRemoved()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#fceaf639f2a5088f45c00f03d550f262" title="Method to be called after removing rows.">endRemoveRows()</a> </dd></dl>
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<a class="anchor" name="4ebbe404a68b96788938c1ad09d8949e"></a><!-- doxytag: member="Wt::WAbstractItemModel::dataChanged" ref="4ebbe404a68b96788938c1ad09d8949e" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>, <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a>>& Wt::WAbstractItemModel::dataChanged </td>
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<p>
Signal emitted when some data was changed.
<p>
The two arguments are the model indexes of the top-left and bottom-right data items that span the rectangle of changed data items.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943" title="Sets data at the given model index.">setData()</a> </dd></dl>
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<a class="anchor" name="d9471c1acbd025bcf49c1d5ac5583a67"></a><!-- doxytag: member="Wt::WAbstractItemModel::headerDataChanged" ref="d9471c1acbd025bcf49c1d5ac5583a67" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a><<a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a>, int, int>& Wt::WAbstractItemModel::headerDataChanged </td>
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<p>
Signal emitted when some header data was changed.
<p>
The first argument indicates the orientation of the header, and the two integer arguments are the row or column numbers of the first and last header item of which the value was changed.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#57f5d417f933440db0d38ece7dd370f4" title="Sets header data for a column or row.">setHeaderData()</a> </dd></dl>
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<a class="anchor" name="abe99309231808a48c8f1db2c462f8e2"></a><!-- doxytag: member="Wt::WAbstractItemModel::layoutAboutToBeChanged" ref="abe99309231808a48c8f1db2c462f8e2" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a>& Wt::WAbstractItemModel::layoutAboutToBeChanged </td>
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<td><code> [inline]</code></td>
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<p>
Signal emitted when the layout is about to be changed.
<p>
A layout change reorders the data in the model, but no data is added or removed. Model indexes are invalidated by a layout change, but indexes may be ported across a layout change by using the <a class="el" href="classWt_1_1WAbstractItemModel.html#5c4db8b3265c914f77efead35450f6dc" title="Converts a model index to a raw pointer that remains valid while the model's...">toRawIndex()</a> and <a class="el" href="classWt_1_1WAbstractItemModel.html#85beaaea2e8609556543019618fd2a89" title="Converts a raw pointer to a model index.">fromRawIndex()</a> methods.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#5a6a3810afb5333405887df52827db02" title="Signal emitted when the layout is changed.">layoutChanged()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#5c4db8b3265c914f77efead35450f6dc" title="Converts a model index to a raw pointer that remains valid while the model's...">toRawIndex()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#85beaaea2e8609556543019618fd2a89" title="Converts a raw pointer to a model index.">fromRawIndex()</a> </dd></dl>
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<a class="anchor" name="5a6a3810afb5333405887df52827db02"></a><!-- doxytag: member="Wt::WAbstractItemModel::layoutChanged" ref="5a6a3810afb5333405887df52827db02" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a>& Wt::WAbstractItemModel::layoutChanged </td>
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<p>
Signal emitted when the layout is changed.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#abe99309231808a48c8f1db2c462f8e2" title="Signal emitted when the layout is about to be changed.">layoutAboutToBeChanged()</a> </dd></dl>
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<a class="anchor" name="6f8b6edf42fc8ee0ffffd5f94fc0cc64"></a><!-- doxytag: member="Wt::WAbstractItemModel::modelReset" ref="6f8b6edf42fc8ee0ffffd5f94fc0cc64" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a>& Wt::WAbstractItemModel::modelReset </td>
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<p>
Signal emitted when the model was reset.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#e5ef6b96132d87e8310dcb22deedcd48" title="Resets the model and invalidate any data.">reset()</a> </dd></dl>
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<a class="anchor" name="e5ef6b96132d87e8310dcb22deedcd48"></a><!-- doxytag: member="Wt::WAbstractItemModel::reset" ref="e5ef6b96132d87e8310dcb22deedcd48" args="()" -->
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<td class="memname">void Wt::WAbstractItemModel::reset </td>
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<p>
Resets the model and invalidate any data.
<p>
Informs any attached view that all data in the model was invalidated, and the model's data should be reread.<p>
This causes the <a class="el" href="classWt_1_1WAbstractItemModel.html#6f8b6edf42fc8ee0ffffd5f94fc0cc64" title="Signal emitted when the model was reset.">modelReset()</a> signal to be emitted.
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<a class="anchor" name="c837a73fe423255035ffb076946de122"></a><!-- doxytag: member="Wt::WAbstractItemModel::createIndex" ref="c837a73fe423255035ffb076946de122" args="(int row, int column, void *ptr) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WAbstractItemModel::createIndex </td>
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<td class="paramname"> <em>row</em>, </td>
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<td class="paramname"> <em>column</em>, </td>
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<td class="paramname"> <em>ptr</em></td><td> </td>
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<p>
Creates a model index for the given row and column.
<p>
Use this method to create a model index. <code>ptr</code> is an internal pointer that may be used to associate the index with particular model data.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WModelIndex.html#44aabe692bba87ba144c1ab9a7f98eb3" title="Returns the internal pointer.">WModelIndex::internalPointer()</a> </dd></dl>
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<a class="anchor" name="ca9c0c10479b66b5f6742a9a31aa9e9f"></a><!-- doxytag: member="Wt::WAbstractItemModel::createIndex" ref="ca9c0c10479b66b5f6742a9a31aa9e9f" args="(int row, int column, uint64_t id) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WAbstractItemModel::createIndex </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>row</em>, </td>
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<td class="paramtype">uint64_t </td>
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<p>
Creates a model index for the given row and column.
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Use this method to create a model index. <code>id</code> is an internal id that may be used to associate the index with particular model data.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WModelIndex.html#f0fedac552dfeb6162f10d26d0876c85" title="Returns the internal id.">WModelIndex::internalId()</a> </dd></dl>
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<a class="anchor" name="1b0c2b404763032e48637a2a3615b2b6"></a><!-- doxytag: member="Wt::WAbstractItemModel::beginInsertColumns" ref="1b0c2b404763032e48637a2a3615b2b6" args="(const WModelIndex &parent, int first, int last)" -->
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<td class="memname">void Wt::WAbstractItemModel::beginInsertColumns </td>
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<td class="paramname"> <em>first</em>, </td>
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<td class="paramname"> <em>last</em></td><td> </td>
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Method to be called before inserting columns.
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If your model supports insertion of columns, then you should call this method before inserting one or more columns, and <a class="el" href="classWt_1_1WAbstractItemModel.html#2422779ff8af9d19c6bfd3e169c84422" title="Method to be called after inserting columns.">endInsertColumns()</a> afterwards. These methods emit the necessary signals to allow view classes to update themselves.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#2422779ff8af9d19c6bfd3e169c84422" title="Method to be called after inserting columns.">endInsertColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#1eded9eb68b9247ae2ff371f74a5e5f2" title="Inserts one or more columns.">insertColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#9b11b278c699be7ac4a0f884674930ea" title="Signal emitted before a number of columns will be inserted.">columnsAboutToBeInserted</a> </dd></dl>
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<a class="anchor" name="91e52898a805996aee496877cd090eb4"></a><!-- doxytag: member="Wt::WAbstractItemModel::beginInsertRows" ref="91e52898a805996aee496877cd090eb4" args="(const WModelIndex &parent, int first, int last)" -->
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<td class="memname">void Wt::WAbstractItemModel::beginInsertRows </td>
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<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>first</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>last</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [protected]</code></td>
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<p>
Method to be called before inserting rows.
<p>
If your model supports insertion of rows, then you should call this method before inserting one or more rows, and <a class="el" href="classWt_1_1WAbstractItemModel.html#ce03c0bc5b0b57b6add882aaf444b62f" title="Method to be called after inserting rows.">endInsertRows()</a> afterwards. These methods emit the necessary signals to allow view classes to update themselves.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#ce03c0bc5b0b57b6add882aaf444b62f" title="Method to be called after inserting rows.">endInsertRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#bcafc38dc24fd9edf70eafe834ca411d" title="Inserts one or more rows.">insertRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#010d346c7f2cf9f171b1a2a2ef2a8ef0" title="Signal emitted before a number of rows will be inserted.">rowsAboutToBeInserted</a> </dd></dl>
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<a class="anchor" name="8dbef6f3633812d2df7289cb7cfb192b"></a><!-- doxytag: member="Wt::WAbstractItemModel::beginRemoveColumns" ref="8dbef6f3633812d2df7289cb7cfb192b" args="(const WModelIndex &parent, int first, int last)" -->
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<td class="memname">void Wt::WAbstractItemModel::beginRemoveColumns </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>first</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>last</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [protected]</code></td>
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<p>
Method to be called before removing columns.
<p>
If your model supports removal of columns, then you should call this method before removing one or more columns, and <a class="el" href="classWt_1_1WAbstractItemModel.html#840b32221ade669cb4e987f86203d1d3" title="Method to be called after removing columns.">endRemoveColumns()</a> afterwards. These methods emit the necessary signals to allow view classes to update themselves.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#840b32221ade669cb4e987f86203d1d3" title="Method to be called after removing columns.">endRemoveColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#27428d1a02830336ec9db69c6d0b0762" title="Removes columns.">removeColumns()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#49d23404fac611a5e985bd6add415180" title="Signal emitted before a number of columns will be removed.">columnsAboutToBeRemoved</a> </dd></dl>
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<a class="anchor" name="5286cc70219c8d8d720abc255b0183f5"></a><!-- doxytag: member="Wt::WAbstractItemModel::beginRemoveRows" ref="5286cc70219c8d8d720abc255b0183f5" args="(const WModelIndex &parent, int first, int last)" -->
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<td class="memname">void Wt::WAbstractItemModel::beginRemoveRows </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>parent</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>first</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>last</em></td><td> </td>
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<p>
Method to be called before removing rows.
<p>
If your model supports removal of rows, then you should call this method before removing one or more rows, and <a class="el" href="classWt_1_1WAbstractItemModel.html#fceaf639f2a5088f45c00f03d550f262" title="Method to be called after removing rows.">endRemoveRows()</a> afterwards. These methods emit the necessary signals to allow view classes to update themselves.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#fceaf639f2a5088f45c00f03d550f262" title="Method to be called after removing rows.">endRemoveRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#29cf3003ee8f97b2b5de9c52af27361a" title="Removes rows.">removeRows()</a>, <a class="el" href="classWt_1_1WAbstractItemModel.html#ef95610167317fee3a6574ab399444fd" title="Signal emitted before a number of rows will be removed.">rowsAboutToBeRemoved</a> </dd></dl>
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<a class="anchor" name="2422779ff8af9d19c6bfd3e169c84422"></a><!-- doxytag: member="Wt::WAbstractItemModel::endInsertColumns" ref="2422779ff8af9d19c6bfd3e169c84422" args="()" -->
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<td class="memname">void Wt::WAbstractItemModel::endInsertColumns </td>
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<p>
Method to be called after inserting columns.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#1b0c2b404763032e48637a2a3615b2b6" title="Method to be called before inserting columns.">beginInsertColumns()</a> </dd></dl>
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<a class="anchor" name="ce03c0bc5b0b57b6add882aaf444b62f"></a><!-- doxytag: member="Wt::WAbstractItemModel::endInsertRows" ref="ce03c0bc5b0b57b6add882aaf444b62f" args="()" -->
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<td class="memname">void Wt::WAbstractItemModel::endInsertRows </td>
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<p>
Method to be called after inserting rows.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#91e52898a805996aee496877cd090eb4" title="Method to be called before inserting rows.">beginInsertRows()</a> </dd></dl>
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<a class="anchor" name="840b32221ade669cb4e987f86203d1d3"></a><!-- doxytag: member="Wt::WAbstractItemModel::endRemoveColumns" ref="840b32221ade669cb4e987f86203d1d3" args="()" -->
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<td class="memname">void Wt::WAbstractItemModel::endRemoveColumns </td>
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<td><code> [protected]</code></td>
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<p>
Method to be called after removing columns.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#8dbef6f3633812d2df7289cb7cfb192b" title="Method to be called before removing columns.">beginRemoveColumns()</a> </dd></dl>
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<a class="anchor" name="fceaf639f2a5088f45c00f03d550f262"></a><!-- doxytag: member="Wt::WAbstractItemModel::endRemoveRows" ref="fceaf639f2a5088f45c00f03d550f262" args="()" -->
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<td class="memname">void Wt::WAbstractItemModel::endRemoveRows </td>
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<td> ) </td>
<td><code> [protected]</code></td>
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<p>
Method to be called after removing rows.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#5286cc70219c8d8d720abc255b0183f5" title="Method to be called before removing rows.">beginRemoveRows()</a> </dd></dl>
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<hr><h2>Friends And Related Function Documentation</h2>
<a class="anchor" name="86307ac8fa69203e5de72d7c08197fbc"></a><!-- doxytag: member="Wt::WAbstractItemModel::asString" ref="86307ac8fa69203e5de72d7c08197fbc" args="(const boost::any &v, const WString &formatString=WString())" -->
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<td class="memname">WT_API <a class="el" href="classWt_1_1WString.html">WString</a> asString </td>
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<td class="paramtype">const boost::any & </td>
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<td></td>
<td class="paramtype">const <a class="el" href="classWt_1_1WString.html">WString</a> & </td>
<td class="paramname"> <em>formatString</em> = <code><a class="el" href="classWt_1_1WString.html">WString</a>()</code></td><td> </td>
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<td></td><td></td><td><code> [related]</code></td>
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<p>
Interpret a boost::any as a string value.
<p>
The conversion works as follows:<ul>
<li>a boost::any without a value is converted to an empty string</li><li>number types (integers and doubles) are formatted using the formatString using snprintf, or if omitted, are lexically casted.</li><li><a class="el" href="classWt_1_1WDate.html" title="A gregorian calendar date.">WDate</a> is converted with <a class="el" href="classWt_1_1WDate.html#1d9b6450f5f6126722f07c971ea9e4c0" title="Formats this date to a string using a default format.">WDate::toString()</a> using the indicated format string, or otherwise "dd/MM/yy" notation.</li><li><a class="el" href="classWt_1_1WTime.html" title="A clock time.">WTime</a> is converted with <a class="el" href="classWt_1_1WTime.html#34367d6f97d872d7598c1ba88b4fc95c" title="Formats this time to a string using a default format.">WTime::toString()</a> using the indicated format string, or otherwise "HH:mm:ss" notation.</li><li><a class="el" href="classWt_1_1WDateTime.html" title="A calendar date and clock time.">WDateTime</a> is converted with <a class="el" href="classWt_1_1WDateTime.html#bb73b8df39ef05dbab3e0e7d7281c7d1" title="Formats this datetime to a string using a default format.">WDateTime::toString()</a> using the indicated format string, or otherwise "dd/MM/yy HH:mm:ss" notation. </li></ul>
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<a class="anchor" name="7c5468805b11a96579d315875761343f"></a><!-- doxytag: member="Wt::WAbstractItemModel::asNumber" ref="7c5468805b11a96579d315875761343f" args="(const boost::any &v)" -->
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<td class="paramtype">const boost::any & </td>
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<td><code> [related]</code></td>
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<p>
Interpret a boost::any as a number value.
<p>
A boost::any without a value, or a string that does not represent a number, is converted to a "NaN". You can check for this value using the libc function isnan().<p>
A <a class="el" href="classWt_1_1WDate.html" title="A gregorian calendar date.">WDate</a> is converted to an integer number using the WDate::modifiedJulianDay() method.<p>
A <a class="el" href="classWt_1_1WDateTime.html" title="A calendar date and clock time.">WDateTime</a> is converted to an integer number using the <a class="el" href="classWt_1_1WDateTime.html#a8f4b59cddc562f9902e554d888c9b90" title="Returns the number of seconds since the Epoch.">WDateTime::toTime_t()</a> method.<p>
A <a class="el" href="classWt_1_1WTime.html" title="A clock time.">WTime</a> is converted to an integer number using the number of milliseconds since midnight.
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