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 <span id="projectnumber">3.2.1</span>
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<div class="title">Wt::WAbstractProxyModel::BaseItem Struct Reference</div> </div>
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<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>
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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>
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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>
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<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="" -->
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<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>
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<p>The source model index. </p>
<p>The source model index for this item. </p>
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