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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<div class="navpath"><a class="el" href="namespaceWt.html">Wt</a>::<a class="el" href="classWt_1_1WAbstractProxyModel.html">WAbstractProxyModel</a>
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<h1>Wt::WAbstractProxyModel Class Reference<br>
<small>
[<a class="el" href="group__modelview.html">Model/view system</a>]</small>
</h1><!-- doxytag: class="Wt::WAbstractProxyModel" --><!-- doxytag: inherits="Wt::WAbstractItemModel" -->An abstract proxy model for Wt's item models.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/WAbstractProxyModel></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::WAbstractProxyModel:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1WAbstractProxyModel__inherit__graph.png" border="0" usemap="#Wt_1_1WAbstractProxyModel__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1WAbstractProxyModel__inherit__map">
<area shape="rect" href="classWt_1_1WAggregateProxyModel.html" title="A proxy model for Wt's item models that provides column aggregation." alt="" coords="5,229,189,256"><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="213,229,392,256"><area shape="rect" href="classWt_1_1WAbstractItemModel.html" title="An abstract model for use with Wt's view classes." alt="" coords="117,80,283,107"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="152,5,248,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1WAbstractProxyModel-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 Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b59d85e0a005539ead29d3b5e730807c"></a><!-- doxytag: member="Wt::WAbstractProxyModel::WAbstractProxyModel" ref="b59d85e0a005539ead29d3b5e730807c" args="(WObject *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractProxyModel.html#b59d85e0a005539ead29d3b5e730807c">WAbstractProxyModel</a> (<a class="el" href="classWt_1_1WObject.html">WObject</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <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_1WAbstractProxyModel.html#856d190cc66edcf05462e2476f43b01d">mapFromSource</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &sourceIndex) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Maps a source model index to the proxy model. <a href="#856d190cc66edcf05462e2476f43b01d"></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_1WAbstractProxyModel.html#c36b0ee3110073578da8b999d1882bf7">mapToSource</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &proxyIndex) const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Maps a proxy model index to the source model. <a href="#c36b0ee3110073578da8b999d1882bf7"></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_1WAbstractProxyModel.html#80f03a23bcd5d34eef1091a4891cda87">setSourceModel</a> (<a class="el" href="classWt_1_1WAbstractItemModel.html">WAbstractItemModel</a> *sourceModel)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the source model. <a href="#80f03a23bcd5d34eef1091a4891cda87"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WAbstractItemModel.html">WAbstractItemModel</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractProxyModel.html#553fbfaa929ade5275a57186eaf7f2bf">sourceModel</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the source model. <a href="#553fbfaa929ade5275a57186eaf7f2bf"></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_1WAbstractProxyModel.html#816f887f847e838e6b2cb3539f1614cd">data</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &index, int role=DisplayRole) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns data at a specific model index. <a href="#816f887f847e838e6b2cb3539f1614cd"></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_1WAbstractProxyModel.html#59e6feb26b7e6f714cb84ad14c3fdb15">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="#59e6feb26b7e6f714cb84ad14c3fdb15"></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_1WAbstractProxyModel.html#55bbf473942cd369f9d8ce5e08cf0c11">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="#55bbf473942cd369f9d8ce5e08cf0c11"></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_1WAbstractProxyModel.html#5d3d940e4789d25791efead3fd14b9aa">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="#5d3d940e4789d25791efead3fd14b9aa"></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_1WAbstractProxyModel.html#6ee3a51e41a45d91472382093c0a1984">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="#6ee3a51e41a45d91472382093c0a1984"></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_1WAbstractProxyModel.html#9da4b69588ca66ef9d591e6b1433c655">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="#9da4b69588ca66ef9d591e6b1433c655"></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_1WAbstractProxyModel.html#0c8d19dd3efcff79781566c634ec7522">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="#0c8d19dd3efcff79781566c634ec7522"></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_1WAbstractProxyModel.html#59b7d0b8afcc709be5a93a08e92e0857">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="#59b7d0b8afcc709be5a93a08e92e0857"></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_1WAbstractProxyModel.html#c315164c99220a7846d1303a56188054">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="#c315164c99220a7846d1303a56188054"></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_1WAbstractProxyModel.html#cd6129e7686db3e3ddf1e000a379983e">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="#cd6129e7686db3e3ddf1e000a379983e"></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_1WAbstractProxyModel.html#4c406e858ed3020a2fac8414293bed2f">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="#4c406e858ed3020a2fac8414293bed2f"></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_1WAbstractProxyModel.html#c32c44c4ac80644bd4293e2d250f6fa6">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="#c32c44c4ac80644bd4293e2d250f6fa6"></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"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WAbstractProxyModel.html#0144ccc35308b2c0fd6a8b018bd6a3e7">createSourceIndex</a> (int row, int column, void *ptr) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a source model index. <a href="#0144ccc35308b2c0fd6a8b018bd6a3e7"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
An abstract proxy model for Wt's item models.
<p>
A proxy model does not store data, but presents data from a source model in another way. It may provide filtering, sorting, or other computed changes to the source model. A proxy model may be a fully functional model, that also allows modification of the underlying model.<p>
This abstract proxy model may be used as a starting point for implementing a custom proxy model, when <a class="el" href="classWt_1_1WSortFilterProxyModel.html" title="A proxy model for Wt's item models that provides filtering and/or sorting.">WSortFilterProxyModel</a> is not adequate. It implements data access and manipulation using the a virtual mapping method (<a class="el" href="classWt_1_1WAbstractProxyModel.html#c36b0ee3110073578da8b999d1882bf7" title="Maps a proxy model index to the source model.">mapToSource()</a>) to access and manipulate the underlying <a class="el" href="classWt_1_1WAbstractProxyModel.html#553fbfaa929ade5275a57186eaf7f2bf" title="Returns the source model.">sourceModel()</a>. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="856d190cc66edcf05462e2476f43b01d"></a><!-- doxytag: member="Wt::WAbstractProxyModel::mapFromSource" ref="856d190cc66edcf05462e2476f43b01d" args="(const WModelIndex &sourceIndex) const =0" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">virtual <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WAbstractProxyModel::mapFromSource </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>sourceIndex</em> </td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Maps a source model index to the proxy model.
<p>
This method returns a model index in the proxy model that corresponds to the model index <code>sourceIndex</code> in the source model. This method must only be implemented for source model indexes that are mapped and thus are the result of <a class="el" href="classWt_1_1WAbstractProxyModel.html#c36b0ee3110073578da8b999d1882bf7" title="Maps a proxy model index to the source model.">mapToSource()</a>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractProxyModel.html#c36b0ee3110073578da8b999d1882bf7" title="Maps a proxy model index to the source model.">mapToSource()</a> </dd></dl>
<p>Implemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#bd53119f51f426bbf3e332227a7c140f">Wt::WAggregateProxyModel</a>, and <a class="el" href="classWt_1_1WSortFilterProxyModel.html#b32e734793e3a6e657b3b5655831885e">Wt::WSortFilterProxyModel</a>.</p>
</div>
</div><p>
<a class="anchor" name="c36b0ee3110073578da8b999d1882bf7"></a><!-- doxytag: member="Wt::WAbstractProxyModel::mapToSource" ref="c36b0ee3110073578da8b999d1882bf7" args="(const WModelIndex &proxyIndex) const =0" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">virtual <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WAbstractProxyModel::mapToSource </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> & </td>
<td class="paramname"> <em>proxyIndex</em> </td>
<td> ) </td>
<td> const<code> [pure virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Maps a proxy model index to the source model.
<p>
This method returns a model index in the source model that corresponds to the proxy model index <code>proxyIndex</code>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractProxyModel.html#856d190cc66edcf05462e2476f43b01d" title="Maps a source model index to the proxy model.">mapFromSource()</a> </dd></dl>
<p>Implemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#219cfab137c4e6b5fcdcfdaa00f2c652">Wt::WAggregateProxyModel</a>, and <a class="el" href="classWt_1_1WSortFilterProxyModel.html#290351f93612a5180c055328e2ff3663">Wt::WSortFilterProxyModel</a>.</p>
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<a class="anchor" name="80f03a23bcd5d34eef1091a4891cda87"></a><!-- doxytag: member="Wt::WAbstractProxyModel::setSourceModel" ref="80f03a23bcd5d34eef1091a4891cda87" args="(WAbstractItemModel *sourceModel)" -->
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<td class="memname">void Wt::WAbstractProxyModel::setSourceModel </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WAbstractItemModel.html">WAbstractItemModel</a> * </td>
<td class="paramname"> <em>sourceModel</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Sets the source model.
<p>
The source model provides the actual data for the proxy model.<p>
Ownership of the source model is <em>not</em> transferred.
<p>Reimplemented in <a class="el" href="classWt_1_1WAggregateProxyModel.html#dcd5632ba87b439d87b2470bf028cf28">Wt::WAggregateProxyModel</a>, and <a class="el" href="classWt_1_1WSortFilterProxyModel.html#805bcc6964e8c0194638c05f30d2a8cb">Wt::WSortFilterProxyModel</a>.</p>
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<a class="anchor" name="553fbfaa929ade5275a57186eaf7f2bf"></a><!-- doxytag: member="Wt::WAbstractProxyModel::sourceModel" ref="553fbfaa929ade5275a57186eaf7f2bf" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WAbstractItemModel.html">WAbstractItemModel</a>* Wt::WAbstractProxyModel::sourceModel </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
Returns the source model.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractProxyModel.html#80f03a23bcd5d34eef1091a4891cda87" title="Sets the source model.">setSourceModel()</a> </dd></dl>
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<a class="anchor" name="816f887f847e838e6b2cb3539f1614cd"></a><!-- doxytag: member="Wt::WAbstractProxyModel::data" ref="816f887f847e838e6b2cb3539f1614cd" args="(const WModelIndex &index, int role=DisplayRole) const " -->
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<td class="memname">boost::any Wt::WAbstractProxyModel::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="paramkey"></td>
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<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></td><td></td><td> const<code> [virtual]</code></td>
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<div class="memdoc">
<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_1WAbstractProxyModel.html#55bbf473942cd369f9d8ce5e08cf0c11" 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_1WAbstractProxyModel.html#59e6feb26b7e6f714cb84ad14c3fdb15" title="Sets data at the given model index.">setData()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WAbstractItemModel.html#9112b74d160f916ef75fb6c1c09dd8fe">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="59e6feb26b7e6f714cb84ad14c3fdb15"></a><!-- doxytag: member="Wt::WAbstractProxyModel::setData" ref="59e6feb26b7e6f714cb84ad14c3fdb15" args="(const WModelIndex &index, const boost::any &value, int role=EditRole)" -->
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<td class="memname">bool Wt::WAbstractProxyModel::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>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const boost::any & </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>role</em> = <code>EditRole</code></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<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_1WAbstractProxyModel.html#816f887f847e838e6b2cb3539f1614cd" title="Returns data at a specific model index.">data()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WAbstractItemModel.html#70856db8c322be8c7f397a932165a943">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="55bbf473942cd369f9d8ce5e08cf0c11"></a><!-- doxytag: member="Wt::WAbstractProxyModel::flags" ref="55bbf473942cd369f9d8ce5e08cf0c11" args="(const WModelIndex &index) const " -->
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<td class="memname">WFlags< <a class="el" href="group__modelview.html#g1d77c4de293aebfacbdde124de06b8b0">ItemFlag</a> > Wt::WAbstractProxyModel::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>
<td> ) </td>
<td> const<code> [virtual]</code></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 from <a class="el" href="classWt_1_1WAbstractItemModel.html#b5e60f81be797c0553a010eff5b9a592">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="5d3d940e4789d25791efead3fd14b9aa"></a><!-- doxytag: member="Wt::WAbstractProxyModel::insertColumns" ref="5d3d940e4789d25791efead3fd14b9aa" args="(int column, int count, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractProxyModel::insertColumns </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
</tr>
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<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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<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_1WAbstractProxyModel.html#6ee3a51e41a45d91472382093c0a1984" title="Inserts one or more rows.">insertRows()</a>, <a class="el" href="classWt_1_1WAbstractProxyModel.html#9da4b69588ca66ef9d591e6b1433c655" 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 from <a class="el" href="classWt_1_1WAbstractItemModel.html#1eded9eb68b9247ae2ff371f74a5e5f2">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="6ee3a51e41a45d91472382093c0a1984"></a><!-- doxytag: member="Wt::WAbstractProxyModel::insertRows" ref="6ee3a51e41a45d91472382093c0a1984" args="(int row, int count, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractProxyModel::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>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<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_1WAbstractProxyModel.html#5d3d940e4789d25791efead3fd14b9aa" title="Inserts one or more columns.">insertColumns()</a>, <a class="el" href="classWt_1_1WAbstractProxyModel.html#0c8d19dd3efcff79781566c634ec7522" 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 from <a class="el" href="classWt_1_1WAbstractItemModel.html#bcafc38dc24fd9edf70eafe834ca411d">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="9da4b69588ca66ef9d591e6b1433c655"></a><!-- doxytag: member="Wt::WAbstractProxyModel::removeColumns" ref="9da4b69588ca66ef9d591e6b1433c655" args="(int column, int count, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractProxyModel::removeColumns </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>column</em>, </td>
</tr>
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<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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<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_1WAbstractProxyModel.html#0c8d19dd3efcff79781566c634ec7522" title="Removes rows.">removeRows()</a>, <a class="el" href="classWt_1_1WAbstractProxyModel.html#5d3d940e4789d25791efead3fd14b9aa" 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 from <a class="el" href="classWt_1_1WAbstractItemModel.html#27428d1a02830336ec9db69c6d0b0762">Wt::WAbstractItemModel</a>.</p>
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</div><p>
<a class="anchor" name="0c8d19dd3efcff79781566c634ec7522"></a><!-- doxytag: member="Wt::WAbstractProxyModel::removeRows" ref="0c8d19dd3efcff79781566c634ec7522" args="(int row, int count, const WModelIndex &parent=WModelIndex())" -->
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<td class="memname">bool Wt::WAbstractProxyModel::removeRows </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>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>
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_1WAbstractProxyModel.html#9da4b69588ca66ef9d591e6b1433c655" title="Removes columns.">removeColumns()</a>, <a class="el" href="classWt_1_1WAbstractProxyModel.html#6ee3a51e41a45d91472382093c0a1984" 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 from <a class="el" href="classWt_1_1WAbstractItemModel.html#29cf3003ee8f97b2b5de9c52af27361a">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="59b7d0b8afcc709be5a93a08e92e0857"></a><!-- doxytag: member="Wt::WAbstractProxyModel::mimeType" ref="59b7d0b8afcc709be5a93a08e92e0857" args="() const " -->
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<td class="memname">std::string Wt::WAbstractProxyModel::mimeType </td>
<td>(</td>
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<td> const<code> [virtual]</code></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_1WAbstractProxyModel.html#c315164c99220a7846d1303a56188054" title="Returns a list of mime-types that could be accepted for a drop event.">acceptDropMimeTypes()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WAbstractItemModel.html#4c62d2cc18d133d7926a91b4f2eebe62">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="c315164c99220a7846d1303a56188054"></a><!-- doxytag: member="Wt::WAbstractProxyModel::acceptDropMimeTypes" ref="c315164c99220a7846d1303a56188054" args="() const " -->
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<td class="memname">std::vector< std::string > Wt::WAbstractProxyModel::acceptDropMimeTypes </td>
<td>(</td>
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<td> const<code> [virtual]</code></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_1WAbstractProxyModel.html#59b7d0b8afcc709be5a93a08e92e0857" title="Returns a mime-type for dragging a set of indexes.">mimeType()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WAbstractItemModel.html#9e92a29b30e3d4de1f6df9f505e952c2">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="cd6129e7686db3e3ddf1e000a379983e"></a><!-- doxytag: member="Wt::WAbstractProxyModel::dropEvent" ref="cd6129e7686db3e3ddf1e000a379983e" args="(const WDropEvent &e, DropAction action, int row, int column, const WModelIndex &parent)" -->
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<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WDropEvent.html">WDropEvent</a> & </td>
<td class="paramname"> <em>e</em>, </td>
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<td></td>
<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>
<td class="paramname"> <em>row</em>, </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><td> </td>
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<p>
Handles a drop event.
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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_1WAbstractProxyModel.html#59b7d0b8afcc709be5a93a08e92e0857" 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 from <a class="el" href="classWt_1_1WAbstractItemModel.html#f9142a0328922a1b6872f0186164b066">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="4c406e858ed3020a2fac8414293bed2f"></a><!-- doxytag: member="Wt::WAbstractProxyModel::toRawIndex" ref="4c406e858ed3020a2fac8414293bed2f" args="(const WModelIndex &index) const " -->
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<td class="memname">void * Wt::WAbstractProxyModel::toRawIndex </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>
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_1WAbstractProxyModel.html#c32c44c4ac80644bd4293e2d250f6fa6" 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_1WAbstractProxyModel.html#c32c44c4ac80644bd4293e2d250f6fa6" title="Converts a raw pointer to a model index.">fromRawIndex()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WAbstractItemModel.html#5c4db8b3265c914f77efead35450f6dc">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="c32c44c4ac80644bd4293e2d250f6fa6"></a><!-- doxytag: member="Wt::WAbstractProxyModel::fromRawIndex" ref="c32c44c4ac80644bd4293e2d250f6fa6" args="(void *rawIndex) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WAbstractProxyModel::fromRawIndex </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>rawIndex</em> </td>
<td> ) </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_1WAbstractProxyModel.html#4c406e858ed3020a2fac8414293bed2f" 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_1WAbstractProxyModel.html#4c406e858ed3020a2fac8414293bed2f" title="Converts a model index to a raw pointer that remains valid while the model's...">toRawIndex()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WAbstractItemModel.html#85beaaea2e8609556543019618fd2a89">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" name="0144ccc35308b2c0fd6a8b018bd6a3e7"></a><!-- doxytag: member="Wt::WAbstractProxyModel::createSourceIndex" ref="0144ccc35308b2c0fd6a8b018bd6a3e7" 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::WAbstractProxyModel::createSourceIndex </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="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>ptr</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [protected]</code></td>
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<p>
Create a source model index.
<p>
This is a utility function that allows you to create indexes in the source model. In this way, you can reuse the internal pointers of the source model in proxy model indexes, and convert a proxy model index back to the source model index using this method.
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