<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Wt: Wt::WAbstractProxyModel::BaseItem Struct Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> </head> <body> <div id="top"><!-- do not remove this div! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Wt  <span id="projectnumber">3.2.3</span> </div> </td> </tr> 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Attributes</a> </div> <div class="headertitle"> <div class="title">Wt::WAbstractProxyModel::BaseItem Struct Reference</div> </div> </div> <div class="contents"> <!-- doxytag: class="Wt::WAbstractProxyModel::BaseItem" --> <p>A base class for an item modeling a source index parent. <a href="structWt_1_1WAbstractProxyModel_1_1BaseItem.html#details">More...</a></p> <p>Inherited by Wt::WBatchEditProxyModel::Item.</p> <p><a href="structWt_1_1WAbstractProxyModel_1_1BaseItem-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="aafa7dca61e51d29f3f8d3ae0c89e60a9"></a><!-- doxytag: member="Wt::WAbstractProxyModel::BaseItem::BaseItem" ref="aafa7dca61e51d29f3f8d3ae0c89e60a9" args="(const WModelIndex &sourceIndex)" -->  </td><td class="memItemRight" valign="bottom"><a class="el" href="structWt_1_1WAbstractProxyModel_1_1BaseItem.html#aafa7dca61e51d29f3f8d3ae0c89e60a9">BaseItem</a> (const <a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> &sourceIndex)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Create a <a class="el" href="structWt_1_1WAbstractProxyModel_1_1BaseItem.html" title="A base class for an item modeling a source index parent.">BaseItem</a>. <br/></td></tr> <tr><td colspan="2"><h2><a name="pub-attribs"></a> Public Attributes</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structWt_1_1WAbstractProxyModel_1_1BaseItem.html#a135d8a4d32a468703e29bf60cbdcadfd">sourceIndex_</a></td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">The source model index. <a href="#a135d8a4d32a468703e29bf60cbdcadfd"></a><br/></td></tr> </table> <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><p>A base class for an item modeling a source index parent. </p> <p>Many mplementations of a proxy model will need to maintain a data structure per source model indexes, where they relate source rows or columns to proxy rows or columns, per hierarchical parent.</p> <p>It may be convenient to start from this item class as a base class so that <a class="el" href="classWt_1_1WAbstractProxyModel.html#a61c68b0635320c41b78290d10523105a" title="Utility methods to shift items in an item map.">shiftModelIndexes()</a> can be used to update this data structure when the source model adds or removes rows.</p> <p>You will typically use your derived class of this item as the internal pointer for proxy model indexes: a proxy model index will have an item as internal pointer whose sourceIndex_ corresponds to the source equivalent of the proxy model index parent.</p> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAbstractItemModel.html#ac837a73fe423255035ffb076946de122" title="Creates a model index for the given row and column.">createIndex()</a> </dd></dl> </div><hr/><h2>Member Data Documentation</h2> <a class="anchor" id="a135d8a4d32a468703e29bf60cbdcadfd"></a><!-- doxytag: member="Wt::WAbstractProxyModel::BaseItem::sourceIndex_" ref="a135d8a4d32a468703e29bf60cbdcadfd" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classWt_1_1WModelIndex.html">WModelIndex</a> <a class="el" href="structWt_1_1WAbstractProxyModel_1_1BaseItem.html#a135d8a4d32a468703e29bf60cbdcadfd">Wt::WAbstractProxyModel::BaseItem::sourceIndex_</a></td> </tr> </table> </div> <div class="memdoc"> <p>The source model index. </p> <p>The source model index for this item. </p> </div> </div> </div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return 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