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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">Wt::WReadOnlyProxyModel Class Reference<div class="ingroups"><a class="el" href="group__modelview.html">Model/view system</a></div></div> </div>
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<!-- doxytag: class="Wt::WReadOnlyProxyModel" --><!-- doxytag: inherits="Wt::WAbstractProxyModel" -->
<p>A read-only wrapper for a source model.
<a href="classWt_1_1WReadOnlyProxyModel.html#details">More...</a></p>
<p><code>#include <Wt/WReadOnlyProxyModel></code></p>
<div class="dynheader">
Inheritance diagram for Wt::WReadOnlyProxyModel:</div>
<div class="dyncontent">
<div class="center"><img src="classWt_1_1WReadOnlyProxyModel__inherit__graph.png" border="0" usemap="#Wt_1_1WReadOnlyProxyModel_inherit__map" alt="Inheritance graph"/></div>
<map name="Wt_1_1WReadOnlyProxyModel_inherit__map" id="Wt_1_1WReadOnlyProxyModel_inherit__map">
<area shape="rect" href="classWt_1_1WAbstractProxyModel.html" title="An abstract proxy model for Wt's item models." alt="" coords="9,155,185,181"/><area shape="rect" href="classWt_1_1WAbstractItemModel.html" title="An abstract model for use with Wt's view classes." alt="" coords="13,80,181,107"/><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="49,5,145,32"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classWt_1_1WReadOnlyProxyModel-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa47109293e0bb71513d7ae6c489b1d06"></a><!-- doxytag: member="Wt::WReadOnlyProxyModel::WReadOnlyProxyModel" ref="aa47109293e0bb71513d7ae6c489b1d06" args="(WObject *parent=0)" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#aa47109293e0bb71513d7ae6c489b1d06">WReadOnlyProxyModel</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" 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_1WReadOnlyProxyModel.html#a50c17664a8d7a8efe462d9a2c57abb5d">mapFromSource</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &sourceIndex) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Maps a source model index to the proxy model. <a href="#a50c17664a8d7a8efe462d9a2c57abb5d"></a><br/></td></tr>
<tr><td class="memItemLeft" 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_1WReadOnlyProxyModel.html#a8db095c055d60c9eabf912dbf399d1ba">mapToSource</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &proxyIndex) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Maps a proxy model index to the source model. <a href="#a8db095c055d60c9eabf912dbf399d1ba"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#a46d0d79621f99ecccd33ccf3c0023fa1">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 </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of columns. <a href="#a46d0d79621f99ecccd33ccf3c0023fa1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#a769b530620baa4bc41be931a1e3dde83">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 </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of rows. <a href="#a769b530620baa4bc41be931a1e3dde83"></a><br/></td></tr>
<tr><td class="memItemLeft" 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_1WReadOnlyProxyModel.html#ad8cc8e4d72ba28c37e35d552c94c1271">parent</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 parent for a model index. <a href="#ad8cc8e4d72ba28c37e35d552c94c1271"></a><br/></td></tr>
<tr><td class="memItemLeft" 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_1WReadOnlyProxyModel.html#ae1cffc9438d8d73b89eae554450f595d">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 </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the child index for the given row and column. <a href="#ae1cffc9438d8d73b89eae554450f595d"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A read-only wrapper for a source model. </p>
<p>This is a simple proxy model which provides a read-only view on a source model. This is convenient for situations where you want to share a common read-only source model between different sessions. </p>
</div><hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a46d0d79621f99ecccd33ccf3c0023fa1"></a><!-- doxytag: member="Wt::WReadOnlyProxyModel::columnCount" ref="a46d0d79621f99ecccd33ccf3c0023fa1" args="(const WModelIndex &parent=WModelIndex()) const " -->
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<td class="memname">int Wt::WReadOnlyProxyModel::columnCount </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> [virtual]</code></td>
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<p>Returns the number of columns. </p>
<p>This returns the number of columns at index <code>parent</code>.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#a769b530620baa4bc41be931a1e3dde83" title="Returns the number of rows.">rowCount()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WAbstractItemModel.html#abcf7912a95a0a60f8e9b1c37d30b8383">Wt::WAbstractItemModel</a>.</p>
</div>
</div>
<a class="anchor" id="ae1cffc9438d8d73b89eae554450f595d"></a><!-- doxytag: member="Wt::WReadOnlyProxyModel::index" ref="ae1cffc9438d8d73b89eae554450f595d" args="(int row, int column, const WModelIndex &parent=WModelIndex()) const " -->
<div class="memitem">
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<td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WReadOnlyProxyModel::index </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>
</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>
</tr>
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<td></td>
<td>)</td>
<td></td><td> const<code> [virtual]</code></td>
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<p>Returns the child index for the given row and column. </p>
<p>When implementing this method, you can use <a class="el" href="classWt_1_1WAbstractItemModel.html#ac837a73fe423255035ffb076946de122" 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>
<p>If the location is invalid (out of bounds at the parent), then an invalid index must be returned.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#ad8cc8e4d72ba28c37e35d552c94c1271" title="Returns the parent for a model index.">parent()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WAbstractItemModel.html#a83f37bf04b8574b328c139b02523b8cb">Wt::WAbstractItemModel</a>.</p>
</div>
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<a class="anchor" id="a50c17664a8d7a8efe462d9a2c57abb5d"></a><!-- doxytag: member="Wt::WReadOnlyProxyModel::mapFromSource" ref="a50c17664a8d7a8efe462d9a2c57abb5d" args="(const WModelIndex &sourceIndex) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WReadOnlyProxyModel::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> [virtual]</code></td>
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<div class="memdoc">
<p>Maps a source model index to the proxy model. </p>
<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_1WReadOnlyProxyModel.html#a8db095c055d60c9eabf912dbf399d1ba" title="Maps a proxy model index to the source model.">mapToSource()</a>.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#a8db095c055d60c9eabf912dbf399d1ba" title="Maps a proxy model index to the source model.">mapToSource()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WAbstractProxyModel.html#a856d190cc66edcf05462e2476f43b01d">Wt::WAbstractProxyModel</a>.</p>
</div>
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<a class="anchor" id="a8db095c055d60c9eabf912dbf399d1ba"></a><!-- doxytag: member="Wt::WReadOnlyProxyModel::mapToSource" ref="a8db095c055d60c9eabf912dbf399d1ba" args="(const WModelIndex &proxyIndex) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WReadOnlyProxyModel::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> [virtual]</code></td>
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<div class="memdoc">
<p>Maps a proxy model index to the source model. </p>
<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"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#a50c17664a8d7a8efe462d9a2c57abb5d" title="Maps a source model index to the proxy model.">mapFromSource()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WAbstractProxyModel.html#ac36b0ee3110073578da8b999d1882bf7">Wt::WAbstractProxyModel</a>.</p>
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<a class="anchor" id="ad8cc8e4d72ba28c37e35d552c94c1271"></a><!-- doxytag: member="Wt::WReadOnlyProxyModel::parent" ref="ad8cc8e4d72ba28c37e35d552c94c1271" args="(const WModelIndex &index) const " -->
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> Wt::WReadOnlyProxyModel::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> [virtual]</code></td>
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<p>Returns the parent for a model index. </p>
<p>An implementation should use <a class="el" href="classWt_1_1WAbstractItemModel.html#ac837a73fe423255035ffb076946de122" 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>
<p>Note that the index itself may be stale (referencing a row/column within the parent that is outside the model geometry), but its parent (identified by the <a class="el" href="classWt_1_1WModelIndex.html#a44aabe692bba87ba144c1ab9a7f98eb3" title="Returns the internal pointer.">WModelIndex::internalPointer()</a>) is referencing an existing parent. A stale index can only be used while the model geometry is being updated, i.e. during the emission of the corresponding [rows/columns](Being)[Removed/Inserted]() signals.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#ae1cffc9438d8d73b89eae554450f595d" title="Returns the child index for the given row and column.">index()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WAbstractItemModel.html#ada454d45706ca0c1a0921dedd351c48c">Wt::WAbstractItemModel</a>.</p>
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<a class="anchor" id="a769b530620baa4bc41be931a1e3dde83"></a><!-- doxytag: member="Wt::WReadOnlyProxyModel::rowCount" ref="a769b530620baa4bc41be931a1e3dde83" args="(const WModelIndex &parent=WModelIndex()) const " -->
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<td class="memname">int Wt::WReadOnlyProxyModel::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> [virtual]</code></td>
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<div class="memdoc">
<p>Returns the number of rows. </p>
<p>This returns the number of rows at index <code>parent</code>.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WReadOnlyProxyModel.html#a46d0d79621f99ecccd33ccf3c0023fa1" title="Returns the number of columns.">columnCount()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WAbstractItemModel.html#ab0709a8f71fd5df882f29bb29fd055f0">Wt::WAbstractItemModel</a>.</p>
</div>
</div>
</div>
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