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<h1 class="title">QItemEditorFactory Class Reference</h1>
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<!-- $$$QItemEditorFactory-brief -->
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<p>The QItemEditorFactory class provides widgets for editing item data in views and delegates. <a href="#details">More...</a></p>
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<!-- @@@QItemEditorFactory -->
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<pre class="cpp"> <span class="preprocessor">#include <QItemEditorFactory></span></pre><p>This class was introduced in Qt 4.2.</p>
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<table class="alignedsummary">
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qitemeditorfactory.html#QItemEditorFactory">QItemEditorFactory</a></b> ()</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qitemeditorfactory.html#dtor.QItemEditorFactory">~QItemEditorFactory</a></b> ()</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual QWidget * </td><td class="memItemRight bottomAlign"><b><a href="qitemeditorfactory.html#createEditor">createEditor</a></b> ( QVariant::Type <i>type</i>, QWidget * <i>parent</i> ) const</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qitemeditorfactory.html#registerEditor">registerEditor</a></b> ( QVariant::Type <i>type</i>, QItemEditorCreatorBase * <i>creator</i> )</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual QByteArray </td><td class="memItemRight bottomAlign"><b><a href="qitemeditorfactory.html#valuePropertyName">valuePropertyName</a></b> ( QVariant::Type <i>type</i> ) const</td></tr>
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</table>
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<a name="static-public-members"></a>
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<h2>Static Public Members</h2>
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<table class="alignedsummary">
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<tr><td class="memItemLeft rightAlign topAlign"> const QItemEditorFactory * </td><td class="memItemRight bottomAlign"><b><a href="qitemeditorfactory.html#defaultFactory">defaultFactory</a></b> ()</td></tr>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qitemeditorfactory.html#setDefaultFactory">setDefaultFactory</a></b> ( QItemEditorFactory * <i>factory</i> )</td></tr>
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</table>
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<a name="details"></a>
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<!-- $$$QItemEditorFactory-description -->
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<div class="descr">
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<h2>Detailed Description</h2>
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<p>The QItemEditorFactory class provides widgets for editing item data in views and delegates.</p>
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<p>When editing data in an item view, editors are created and displayed by a delegate. <a href="qitemdelegate.html">QItemDelegate</a>, which is the delegate by default installed on Qt's item views, uses a QItemEditorFactory to create editors for it. A default unique instance provided by QItemEditorFactory is used by all item delegates. If you set a new default factory with <a href="qitemeditorfactory.html#setDefaultFactory">setDefaultFactory</a>(), the new factory will be used by existing and new delegates.</p>
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<p>A factory keeps a collection of <a href="qitemeditorcreatorbase.html">QItemEditorCreatorBase</a> instances, which are specialized editors that produce editors for one particular <a href="qvariant.html">QVariant</a> data type (All Qt models store their data in <a href="qvariant.html">QVariant</a>s).</p>
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<a name="standard-editing-widgets"></a>
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<h3>Standard Editing Widgets</h3>
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<p>The standard factory implementation provides editors for a variety of data types. These are created whenever a delegate needs to provide an editor for data supplied by a model. The following table shows the relationship between types and the standard editors provided.</p>
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<table class="generic">
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<thead><tr class="qt-style"><th >Type</th><th >Editor Widget</th></tr></thead>
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<tr valign="top" class="odd"><td >bool</td><td ><a href="qcombobox.html">QComboBox</a></td></tr>
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<tr valign="top" class="odd"><td ><a href="qtime.html">QTime</a></td><td ><a href="qtimeedit.html">QTimeEdit</a></td></tr>
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<p>Additional editors can be registered with the <a href="qitemeditorfactory.html#registerEditor">registerEditor</a>() function.</p>
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</div>
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<p><b>See also </b><a href="qitemdelegate.html">QItemDelegate</a>, <a href="model-view-programming.html">Model/View Programming</a>, and <a href="itemviews-coloreditorfactory.html">Color Editor Factory Example</a>.</p>
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<!-- @@@QItemEditorFactory -->
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<div class="func">
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<h2>Member Function Documentation</h2>
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<!-- $$$QItemEditorFactory[overload1]$$$QItemEditorFactory -->
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<h3 class="fn"><a name="QItemEditorFactory"></a>QItemEditorFactory::<span class="name">QItemEditorFactory</span> ()</h3>
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<p>Constructs a new item editor factory.</p>
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<!-- @@@QItemEditorFactory -->
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<!-- $$$~QItemEditorFactory[overload1]$$$~QItemEditorFactory -->
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<h3 class="fn"><a name="dtor.QItemEditorFactory"></a>QItemEditorFactory::<span class="name">~QItemEditorFactory</span> ()<tt> [virtual]</tt></h3>
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<p>Destroys the item editor factory.</p>
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<!-- @@@~QItemEditorFactory -->
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<!-- $$$createEditor[overload1]$$$createEditorQVariant::TypeQWidget* -->
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<h3 class="fn"><a name="createEditor"></a><span class="type"><a href="qwidget.html">QWidget</a></span> * QItemEditorFactory::<span class="name">createEditor</span> ( <span class="type"><a href="qvariant.html#Type-enum">QVariant::Type</a></span> <i>type</i>, <span class="type"><a href="qwidget.html">QWidget</a></span> * <i>parent</i> ) const<tt> [virtual]</tt></h3>
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<p>Creates an editor widget with the given <i>parent</i> for the specified <i>type</i> of data, and returns it as a <a href="qwidget.html">QWidget</a>.</p>
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<p><b>See also </b><a href="qitemeditorfactory.html#registerEditor">registerEditor</a>().</p>
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<!-- @@@createEditor -->
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<!-- $$$defaultFactory[overload1]$$$defaultFactory -->
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<h3 class="fn"><a name="defaultFactory"></a>const <span class="type">QItemEditorFactory</span> * QItemEditorFactory::<span class="name">defaultFactory</span> ()<tt> [static]</tt></h3>
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<p>Returns the default item editor factory.</p>
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<p><b>See also </b><a href="qitemeditorfactory.html#setDefaultFactory">setDefaultFactory</a>().</p>
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<!-- @@@defaultFactory -->
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<!-- $$$registerEditor[overload1]$$$registerEditorQVariant::TypeQItemEditorCreatorBase* -->
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<h3 class="fn"><a name="registerEditor"></a><span class="type">void</span> QItemEditorFactory::<span class="name">registerEditor</span> ( <span class="type"><a href="qvariant.html#Type-enum">QVariant::Type</a></span> <i>type</i>, <span class="type"><a href="qitemeditorcreatorbase.html">QItemEditorCreatorBase</a></span> * <i>creator</i> )</h3>
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<p>Registers an item editor creator specified by <i>creator</i> for the given <i>type</i> of data.</p>
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<p><b>Note:</b> The factory takes ownership of the item editor creator and will destroy it if a new creator for the same type is registered later.</p>
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<p><b>See also </b><a href="qitemeditorfactory.html#createEditor">createEditor</a>().</p>
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<!-- @@@registerEditor -->
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<!-- $$$setDefaultFactory[overload1]$$$setDefaultFactoryQItemEditorFactory* -->
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<h3 class="fn"><a name="setDefaultFactory"></a><span class="type">void</span> QItemEditorFactory::<span class="name">setDefaultFactory</span> ( <span class="type">QItemEditorFactory</span> * <i>factory</i> )<tt> [static]</tt></h3>
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<p>Sets the default item editor factory to the given <i>factory</i>. Both new and existing delegates will use the new factory.</p>
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<p><b>See also </b><a href="qitemeditorfactory.html#defaultFactory">defaultFactory</a>().</p>
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<!-- @@@setDefaultFactory -->
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<!-- $$$valuePropertyName[overload1]$$$valuePropertyNameQVariant::Type -->
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<h3 class="fn"><a name="valuePropertyName"></a><span class="type"><a href="qbytearray.html">QByteArray</a></span> QItemEditorFactory::<span class="name">valuePropertyName</span> ( <span class="type"><a href="qvariant.html#Type-enum">QVariant::Type</a></span> <i>type</i> ) const<tt> [virtual]</tt></h3>
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<p>Returns the property name used to access data for the given <i>type</i> of data.</p>
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<!-- @@@valuePropertyName -->
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