Add support for accessing ListView/TreeView itemDelegate (#15)

* Add support for accessing ListView/TreeView itemDelegate

Author: Znurre

src/declarativeitemviewextension.cpp

@@ -73,3 +73,18 @@ QItemSelectionModel *DeclarativeItemViewExtension::selectionModel() const
   return extendedItemView()->selectionModel();
 }
 
+QAbstractItemDelegate *DeclarativeItemViewExtension::itemDelegate() const
+{
+  return extendedItemView()->itemDelegate();
+}
+
+void DeclarativeItemViewExtension::setItemDelegate(QAbstractItemDelegate *itemDelegate)
+{
+  if (extendedItemView()->itemDelegate() == itemDelegate)
+    return;
+
+  extendedItemView()->setItemDelegate(itemDelegate);
+
+  emit itemDelegateChanged(itemDelegate);
+}
+

src/declarativeitemviewextension_p.h

@@ -35,6 +35,7 @@ QT_BEGIN_NAMESPACE
 class QAbstractItemModel;
 class QAbstractItemView;
 class QItemSelectionModel;
+class QAbstractItemDelegate;
 QT_END_NAMESPACE
 
 class DeclarativeItemViewPropertySignals
@@ -45,6 +46,7 @@ class DeclarativeItemViewPropertySignals
     // signal signatures
     virtual void modelChanged(QAbstractItemModel *model) = 0;
     virtual void selectionModelChanged(QItemSelectionModel *selectionModel) = 0;
+    virtual void itemDelegateChanged(QAbstractItemDelegate *itemDelegate) = 0;
 };
 
 class DeclarativeItemViewExtension : public DeclarativeWidgetExtension, protected DeclarativeItemViewPropertySignals
@@ -53,6 +55,7 @@ class DeclarativeItemViewExtension : public DeclarativeWidgetExtension, protecte
 
   Q_PROPERTY(QAbstractItemModel* model READ model WRITE setModel NOTIFY modelChanged)
   Q_PROPERTY(QItemSelectionModel* selectionModel READ selectionModel WRITE setSelectionModel NOTIFY selectionModelChanged)
+  Q_PROPERTY(QAbstractItemDelegate* itemDelegate READ itemDelegate WRITE setItemDelegate NOTIFY itemDelegateChanged)
 
   // repeat property declarations, qmlRegisterExtendedType doesn't see the ones from base class
   Q_PROPERTY(QQmlListProperty<QObject> data READ data DESIGNABLE false CONSTANT)
@@ -70,9 +73,13 @@ class DeclarativeItemViewExtension : public DeclarativeWidgetExtension, protecte
     void setSelectionModel(QItemSelectionModel *selectionModel);
     QItemSelectionModel *selectionModel() const;
 
+    QAbstractItemDelegate *itemDelegate() const;
+    void setItemDelegate(QAbstractItemDelegate *itemDelegate);
+
   Q_SIGNALS:
     void modelChanged(QAbstractItemModel *model);
     void selectionModelChanged(QItemSelectionModel *selectionModel);
+    void itemDelegateChanged(QAbstractItemDelegate *itemDelegate) Q_DECL_OVERRIDE;
 };
 
 #endif

src/declarativetreeviewextension.cpp

@@ -55,3 +55,18 @@ QHeaderView *DeclarativeTreeViewExtension::header() const
 {
   return extendedTreeView()->header();
 }
+
+void DeclarativeTreeViewExtension::setItemDelegate(QAbstractItemDelegate *itemDelegate)
+{
+  if (extendedTreeView()->itemDelegate() == itemDelegate)
+    return;
+
+  extendedTreeView()->setItemDelegate(itemDelegate);
+
+  emit itemDelegateChanged(itemDelegate);
+}
+
+QAbstractItemDelegate *DeclarativeTreeViewExtension::itemDelegate() const
+{
+  return extendedTreeView()->itemDelegate();
+}

src/declarativetreeviewextension_p.h

@@ -34,6 +34,7 @@
 QT_BEGIN_NAMESPACE
 class QHeaderView;
 class QTreeView;
+class QAbstractItemDelegate;
 QT_END_NAMESPACE
 
 class DeclarativeTreeViewExtension : public DeclarativeItemViewExtension
@@ -45,6 +46,7 @@ class DeclarativeTreeViewExtension : public DeclarativeItemViewExtension
   // repeat property declarations, qmlRegisterExtendedType doesn't see the ones from base class
   Q_PROPERTY(QAbstractItemModel* model READ model WRITE setModel NOTIFY modelChanged)
   Q_PROPERTY(QItemSelectionModel* selectionModel READ selectionModel WRITE setSelectionModel NOTIFY selectionModelChanged)
+  Q_PROPERTY(QAbstractItemDelegate* itemDelegate READ itemDelegate WRITE setItemDelegate NOTIFY itemDelegateChanged)
 
   Q_PROPERTY(QQmlListProperty<QObject> data READ data DESIGNABLE false CONSTANT)
 
@@ -58,9 +60,13 @@ class DeclarativeTreeViewExtension : public DeclarativeItemViewExtension
     void setHeader(QHeaderView *header);
     QHeaderView *header() const;
 
+    void setItemDelegate(QAbstractItemDelegate *itemDelegate);
+    QAbstractItemDelegate *itemDelegate() const;
+
   Q_SIGNALS:
     void modelChanged(QAbstractItemModel *model);
     void selectionModelChanged(QItemSelectionModel *selectionModel);
+    void itemDelegateChanged(QAbstractItemDelegate *itemDelegate);
 
     void headerChanged(QHeaderView *header);
 };

src/declarativewidgets_plugin.cpp

@@ -72,6 +72,7 @@
 #include "toolbarwidgetcontainer_p.h"
 #include "declarativepushbutton_p.h"
 
+#include <QAbstractItemDelegate>
 #include <QButtonGroup>
 #include <QCalendarWidget>
 #include <QCheckBox>
@@ -118,6 +119,7 @@ void ExtensionpluginPlugin::registerTypes(const char *uri)
   // uncreatable core
   qmlRegisterType<QAbstractItemModel>();
   qmlRegisterType<QItemSelectionModel>();
+  qmlRegisterType<QAbstractItemDelegate>();
 
   // uncreatable gui
   qmlRegisterType<QTextDocument>();