examples/designer/containerextension/multipagewidgetplugin.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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     7 ** This file is part of the examples of the Qt Toolkit.
       
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     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
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    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
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    20 ** packaging of this file.  Please review the following information to
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
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    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
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    29 ** Nokia at qt-info@nokia.com.
       
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    33 **
       
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    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QtDesigner/QExtensionFactory>
       
    43 #include <QtDesigner/QExtensionManager>
       
    44 #include <QtDesigner/QDesignerFormEditorInterface>
       
    45 #include <QtDesigner/QDesignerFormWindowInterface>
       
    46 #include <QtDesigner/QDesignerContainerExtension>
       
    47 #include <QtDesigner/QDesignerPropertySheetExtension>
       
    48 
       
    49 #include <QIcon>
       
    50 #include <QtPlugin>
       
    51 
       
    52 #include "multipagewidget.h"
       
    53 #include "multipagewidgetplugin.h"
       
    54 #include "multipagewidgetextensionfactory.h"
       
    55 
       
    56 //! [0]
       
    57 MultiPageWidgetPlugin::MultiPageWidgetPlugin(QObject *parent)
       
    58     :QObject(parent)
       
    59 {
       
    60     initialized = false;
       
    61 }
       
    62 
       
    63 QString MultiPageWidgetPlugin::name() const
       
    64 {
       
    65     return QLatin1String("MultiPageWidget");
       
    66 }
       
    67 
       
    68 QString MultiPageWidgetPlugin::group() const
       
    69 {
       
    70     return QLatin1String("Display Widgets [Examples]");
       
    71 }
       
    72 
       
    73 QString MultiPageWidgetPlugin::toolTip() const
       
    74 {
       
    75     return QString();
       
    76 }
       
    77 
       
    78 QString MultiPageWidgetPlugin::whatsThis() const
       
    79 {
       
    80     return QString();
       
    81 }
       
    82 
       
    83 QString MultiPageWidgetPlugin::includeFile() const
       
    84 {
       
    85     return QLatin1String("multipagewidget.h");
       
    86 }
       
    87 
       
    88 QIcon MultiPageWidgetPlugin::icon() const
       
    89 {
       
    90     return QIcon();
       
    91 }
       
    92 
       
    93 //! [0] //! [1]
       
    94 bool MultiPageWidgetPlugin::isContainer() const
       
    95 {
       
    96     return true;
       
    97 }
       
    98 
       
    99 //! [1] //! [2]
       
   100 QWidget *MultiPageWidgetPlugin::createWidget(QWidget *parent)
       
   101 {
       
   102     MultiPageWidget *widget = new MultiPageWidget(parent);
       
   103     connect(widget, SIGNAL(currentIndexChanged(int)),
       
   104             this, SLOT(currentIndexChanged(int)));
       
   105     connect(widget, SIGNAL(pageTitleChanged(const QString &)),
       
   106             this, SLOT(pageTitleChanged(const QString &)));
       
   107     return widget;
       
   108 }
       
   109 
       
   110 //! [2] //! [3]
       
   111 bool MultiPageWidgetPlugin::isInitialized() const
       
   112 {
       
   113     return initialized;
       
   114 }
       
   115 //! [3]
       
   116 
       
   117 //! [4]
       
   118 void MultiPageWidgetPlugin::initialize(QDesignerFormEditorInterface *formEditor)
       
   119 {
       
   120     if (initialized)
       
   121         return;
       
   122 //! [4]
       
   123 
       
   124 //! [5]
       
   125     QExtensionManager *manager = formEditor->extensionManager();
       
   126 //! [5] //! [6]
       
   127     QExtensionFactory *factory = new MultiPageWidgetExtensionFactory(manager);
       
   128 
       
   129     Q_ASSERT(manager != 0);
       
   130     manager->registerExtensions(factory, Q_TYPEID(QDesignerContainerExtension));
       
   131 
       
   132     initialized = true;
       
   133 }
       
   134 //! [6]
       
   135 
       
   136 //! [7]
       
   137 QString MultiPageWidgetPlugin::domXml() const
       
   138 {
       
   139     return QLatin1String("\
       
   140 <ui language=\"c++\">\
       
   141     <widget class=\"MultiPageWidget\" name=\"multipagewidget\">\
       
   142         <widget class=\"QWidget\" name=\"page\" />\
       
   143     </widget>\
       
   144     <customwidgets>\
       
   145         <customwidget>\
       
   146             <class>MultiPageWidget</class>\
       
   147             <extends>QWidget</extends>\
       
   148             <addpagemethod>addPage</addpagemethod>\
       
   149         </customwidget>\
       
   150     </customwidgets>\
       
   151 </ui>");
       
   152 }
       
   153 //! [7]
       
   154 
       
   155 //! [8]
       
   156 void MultiPageWidgetPlugin::currentIndexChanged(int index)
       
   157 {
       
   158     Q_UNUSED(index);
       
   159     MultiPageWidget *widget = qobject_cast<MultiPageWidget*>(sender());
       
   160 //! [8] //! [9]
       
   161     if (widget) {
       
   162         QDesignerFormWindowInterface *form = QDesignerFormWindowInterface::findFormWindow(widget);
       
   163         if (form)
       
   164             form->emitSelectionChanged();
       
   165     }
       
   166 }
       
   167 //! [9]
       
   168 
       
   169 //! [10]
       
   170 void MultiPageWidgetPlugin::pageTitleChanged(const QString &title)
       
   171 {
       
   172     Q_UNUSED(title);
       
   173     MultiPageWidget *widget = qobject_cast<MultiPageWidget*>(sender());
       
   174 //! [10] //! [11]
       
   175     if (widget) {
       
   176         QWidget *page = widget->widget(widget->currentIndex());
       
   177         QDesignerFormWindowInterface *form;
       
   178         form = QDesignerFormWindowInterface::findFormWindow(widget);
       
   179 //! [11]
       
   180         if (form) {
       
   181 //! [12]
       
   182             QDesignerFormEditorInterface *editor = form->core();
       
   183             QExtensionManager *manager = editor->extensionManager();
       
   184 //! [12] //! [13]
       
   185             QDesignerPropertySheetExtension *sheet;
       
   186             sheet = qt_extension<QDesignerPropertySheetExtension*>(manager, page);
       
   187             const int propertyIndex = sheet->indexOf(QLatin1String("windowTitle"));
       
   188             sheet->setChanged(propertyIndex, true);
       
   189         }
       
   190     }
       
   191 }
       
   192 
       
   193 //! [13]
       
   194 
       
   195 //! [14]
       
   196 Q_EXPORT_PLUGIN2(containerextension, MultiPageWidgetPlugin)
       
   197 //! [14]