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112 lines
6.1 KiB
112 lines
6.1 KiB
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<title>TQSqlEditorFactory Class</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQSqlEditorFactory Class Reference<br><small>[<a href="sql.html">sql module</a>]</small></h1>
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<p>The TQSqlEditorFactory class is used to create the editors
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used by TQDataTable and TQSqlForm.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qsqleditorfactory-h.html">ntqsqleditorfactory.h</a>></tt>
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<p>Inherits <a href="ntqeditorfactory.html">TQEditorFactory</a>.
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<p><a href="qsqleditorfactory-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQSqlEditorFactory"><b>TQSqlEditorFactory</b></a> ( TQObject * parent = 0, const char * name = 0 )</li>
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<li class=fn><a href="#~TQSqlEditorFactory"><b>~TQSqlEditorFactory</b></a> ()</li>
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<li class=fn>virtual TQWidget * <a href="#createEditor"><b>createEditor</b></a> ( TQWidget * parent, const TQVariant & variant )</li>
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<li class=fn>virtual TQWidget * <a href="#createEditor-2"><b>createEditor</b></a> ( TQWidget * parent, const TQSqlField * field )</li>
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</ul>
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<h2>Static Public Members</h2>
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<ul>
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<li class=fn>TQSqlEditorFactory * <a href="#defaultFactory"><b>defaultFactory</b></a> ()</li>
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<li class=fn>void <a href="#installDefaultFactory"><b>installDefaultFactory</b></a> ( TQSqlEditorFactory * factory )</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQSqlEditorFactory class is used to create the editors
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used by <a href="ntqdatatable.html">TQDataTable</a> and <a href="ntqsqlform.html">TQSqlForm</a>.
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<p>
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<p> TQSqlEditorFactory is used by TQDataTable and TQSqlForm to
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automatically create appropriate editors for a given <a href="ntqsqlfield.html">TQSqlField</a>.
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For example if the field is a TQVariant::String a <a href="ntqlineedit.html">TQLineEdit</a> would
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be the default editor, whereas a TQVariant::Int's default editor
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would be a <a href="ntqspinbox.html">TQSpinBox</a>.
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<p> If you want to create different editors for fields with the same
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data type, subclass TQSqlEditorFactory and reimplement the
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<a href="#createEditor">createEditor</a>() function.
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<p> <p>See also <a href="ntqdatatable.html">TQDataTable</a>, <a href="ntqsqlform.html">TQSqlForm</a>, and <a href="database.html">Database Classes</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQSqlEditorFactory"></a>TQSqlEditorFactory::TQSqlEditorFactory ( <a href="ntqobject.html">TQObject</a> * parent = 0, const char * name = 0 )
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</h3>
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Constructs a SQL editor factory with parent <em>parent</em>, called <em>name</em>.
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<h3 class=fn><a name="~TQSqlEditorFactory"></a>TQSqlEditorFactory::~TQSqlEditorFactory ()
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</h3>
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Destroys the object and frees any allocated resources.
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<h3 class=fn><a href="ntqwidget.html">TQWidget</a> * <a name="createEditor"></a>TQSqlEditorFactory::createEditor ( <a href="ntqwidget.html">TQWidget</a> * parent, const <a href="ntqvariant.html">TQVariant</a> & variant )<tt> [virtual]</tt>
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</h3>
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Creates and returns the appropriate editor widget for the <a href="ntqvariant.html">TQVariant</a>
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<em>variant</em>.
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<p> The widget that is returned has the parent <em>parent</em> (which may be
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zero). If <em>variant</em> is invalid, 0 is returned.
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<p>Reimplemented from <a href="ntqeditorfactory.html#createEditor">TQEditorFactory</a>.
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<h3 class=fn><a href="ntqwidget.html">TQWidget</a> * <a name="createEditor-2"></a>TQSqlEditorFactory::createEditor ( <a href="ntqwidget.html">TQWidget</a> * parent, const <a href="ntqsqlfield.html">TQSqlField</a> * field )<tt> [virtual]</tt>
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</h3>
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This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
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<p> Creates and returns the appropriate editor for the <a href="ntqsqlfield.html">TQSqlField</a> <em>field</em>.
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<h3 class=fn><a href="ntqsqleditorfactory.html">TQSqlEditorFactory</a> * <a name="defaultFactory"></a>TQSqlEditorFactory::defaultFactory ()<tt> [static]</tt>
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</h3>
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Returns an instance of a default editor factory.
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<h3 class=fn>void <a name="installDefaultFactory"></a>TQSqlEditorFactory::installDefaultFactory ( <a href="ntqsqleditorfactory.html">TQSqlEditorFactory</a> * factory )<tt> [static]</tt>
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</h3>
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Replaces the default editor factory with <em>factory</em>. All
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<a href="ntqdatatable.html">TQDataTable</a> and <a href="ntqsqlform.html">TQSqlForm</a> instantiations will use this new factory
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for creating field editors. <em>TQSqlEditorFactory takes ownership of \a factory, and destroys it when it is no longer needed.</em>
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