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6 | <title>QEditorFactory Class</title>
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31 | </td>
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32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QEditorFactory Class Reference<br><small>[<a href="sql.html">sql module</a>]</small></h1>
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33 |
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34 | <p>The QEditorFactory class is used to create editor widgets
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35 | for QVariant data types.
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36 | <a href="#details">More...</a>
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37 | <p><tt>#include <<a href="qeditorfactory-h.html">qeditorfactory.h</a>></tt>
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38 | <p>Inherits <a href="qobject.html">QObject</a>.
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39 | <p>Inherited by <a href="qsqleditorfactory.html">QSqlEditorFactory</a>.
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40 | <p><a href="qeditorfactory-members.html">List of all member functions.</a>
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41 | <h2>Public Members</h2>
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42 | <ul>
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43 | <li class=fn><a href="#QEditorFactory"><b>QEditorFactory</b></a> ( QObject * parent = 0, const char * name = 0 )</li>
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44 | <li class=fn><a href="#~QEditorFactory"><b>~QEditorFactory</b></a> ()</li>
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45 | <li class=fn>virtual QWidget * <a href="#createEditor"><b>createEditor</b></a> ( QWidget * parent, const QVariant & v )</li>
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46 | </ul>
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47 | <h2>Static Public Members</h2>
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48 | <ul>
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49 | <li class=fn>QEditorFactory * <a href="#defaultFactory"><b>defaultFactory</b></a> ()</li>
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50 | <li class=fn>void <a href="#installDefaultFactory"><b>installDefaultFactory</b></a> ( QEditorFactory * factory )</li>
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51 | </ul>
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52 | <hr><a name="details"></a><h2>Detailed Description</h2>
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53 |
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54 |
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55 | The QEditorFactory class is used to create editor widgets
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56 | for <a href="qvariant.html">QVariant</a> data types.
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57 | <p>
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58 |
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59 | <p> Each editor factory provides the <a href="#createEditor">createEditor</a>() function which
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60 | given a QVariant will create and return a <a href="qwidget.html">QWidget</a> that can edit
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61 | that QVariant. For example if you have a QVariant::String type, a
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62 | <a href="qlineedit.html">QLineEdit</a> would be the default editor returned, whereas a
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63 | QVariant::Int's default editor would be a <a href="qspinbox.html">QSpinBox</a>.
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64 | <p> If you want to create different editors for fields with the same
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65 | data type, subclass QEditorFactory and reimplement the
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66 | createEditor() function.
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67 | <p>See also <a href="database.html">Database Classes</a>.
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68 |
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69 | <hr><h2>Member Function Documentation</h2>
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70 | <h3 class=fn><a name="QEditorFactory"></a>QEditorFactory::QEditorFactory ( <a href="qobject.html">QObject</a> * parent = 0, const char * name = 0 )
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71 | </h3>
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72 | Constructs an editor factory with parent <em>parent</em>, called <em>name</em>.
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73 |
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74 | <h3 class=fn><a name="~QEditorFactory"></a>QEditorFactory::~QEditorFactory ()
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75 | </h3>
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76 | Destroys the object and frees any allocated resources.
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77 |
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78 | <h3 class=fn><a href="qwidget.html">QWidget</a> * <a name="createEditor"></a>QEditorFactory::createEditor ( <a href="qwidget.html">QWidget</a> * parent, const <a href="qvariant.html">QVariant</a> & v )<tt> [virtual]</tt>
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79 | </h3>
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80 | Creates and returns the appropriate editor for the <a href="qvariant.html">QVariant</a> <em>v</em>.
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81 | If the QVariant is invalid, 0 is returned. The <em>parent</em> is passed
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82 | to the appropriate editor's constructor.
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83 |
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84 | <p>Reimplemented in <a href="qsqleditorfactory.html#createEditor">QSqlEditorFactory</a>.
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85 | <h3 class=fn><a href="qeditorfactory.html">QEditorFactory</a> * <a name="defaultFactory"></a>QEditorFactory::defaultFactory ()<tt> [static]</tt>
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86 | </h3>
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87 | Returns an instance of a default editor factory.
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88 |
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89 | <h3 class=fn>void <a name="installDefaultFactory"></a>QEditorFactory::installDefaultFactory ( <a href="qeditorfactory.html">QEditorFactory</a> * factory )<tt> [static]</tt>
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90 | </h3>
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91 | Replaces the default editor factory with <em>factory</em>.
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92 | <em>QEditorFactory takes ownership of factory, and destroys it when it is no longer needed.</em>
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93 |
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