Add new, duplicate and delete composer to iface

- Works via QgsComposerView, which is already exposed in iface

python/gui/qgisinterface.sip

@@ -121,6 +121,26 @@ class QgisInterface : QObject
     /**Return mainwindows / composer views of running composer instances (currently only one)*/
     virtual QList<QgsComposerView*> activeComposers() = 0;
 
+    /** Create a new composer
+     * @param title window title for new composer (one will be generated if empty)
+     * @return pointer to composer's view
+     * @note new composer window will be shown and activated (added in 1.9)
+     */
+    virtual QgsComposerView* createNewComposer( QString title = QString( "" ) ) = 0;
+
+    /** Duplicate an existing parent composer from composer view
+     * @param composerView pointer to existing composer view
+     * @param title window title for duplicated composer (one will be generated if empty)
+     * @return pointer to duplicate composer's view
+     * @note dupicate composer window will be hidden until loaded, then shown and activated (added in 1.9)
+     */
+    virtual QgsComposerView* duplicateComposer( QgsComposerView* composerView, QString title = QString( "" ) ) = 0;
+
+    /** Deletes parent composer of composer view, after closing composer window
+     * @note (added in 1.9)
+     */
+    virtual void deleteComposer( QgsComposerView* composerView ) = 0;
+
     /** Return changeable options built from settings and/or defaults
      * @note (added in 1.9)
      */

src/app/qgisappinterface.cpp

@@ -26,6 +26,7 @@
 #include "qgisappstylesheet.h"
 #include "qgisapp.h"
 #include "qgscomposer.h"
+#include "qgscomposerview.h"
 #include "qgsmaplayer.h"
 #include "qgsmaplayerregistry.h"
 #include "qgsmapcanvas.h"
@@ -290,6 +291,44 @@ QList<QgsComposerView*> QgisAppInterface::activeComposers()
   return composerViewList;
 }
 
+QgsComposerView* QgisAppInterface::createNewComposer( QString title )
+{
+  QgsComposer* composerObj = 0;
+  composerObj = qgis->createNewComposer( title );
+  if ( composerObj )
+  {
+    return composerObj->view();
+  }
+  return 0;
+}
+
+QgsComposerView* QgisAppInterface::duplicateComposer( QgsComposerView* composerView, QString title )
+{
+  QgsComposer* composerObj = 0;
+  composerObj = qobject_cast<QgsComposer *>( composerView->composerWindow() );
+  if ( composerObj )
+  {
+    QgsComposer* dupComposer = qgis->duplicateComposer( composerObj, title );
+    if ( dupComposer )
+    {
+      return dupComposer->view();
+    }
+  }
+  return 0;
+}
+
+void QgisAppInterface::deleteComposer( QgsComposerView* composerView )
+{
+  composerView->composerWindow()->close();
+
+  QgsComposer* composerObj = 0;
+  composerObj = qobject_cast<QgsComposer *>( composerView->composerWindow() );
+  if ( composerObj )
+  {
+    qgis->deleteComposer( composerObj );
+  }
+}
+
 QMap<QString, QVariant> QgisAppInterface::defaultStyleSheetOptions()
 {
   return qgis->styleSheetBuilder()->defaultOptions();

src/app/qgisappinterface.h

@@ -125,6 +125,26 @@ class QgisAppInterface : public QgisInterface
 
     QList<QgsComposerView*> activeComposers();
 
+    /** Create a new composer
+     * @param title window title for new composer (one will be generated if empty)
+     * @return pointer to composer's view
+     * @note new composer window will be shown and activated (added in 1.9)
+     */
+    QgsComposerView* createNewComposer( QString title = QString( "" ) );
+
+    /** Duplicate an existing parent composer from composer view
+     * @param composerView pointer to existing composer view
+     * @param title window title for duplicated composer (one will be generated if empty)
+     * @return pointer to duplicate composer's view
+     * @note dupicate composer window will be hidden until loaded, then shown and activated (added in 1.9)
+     */
+    QgsComposerView* duplicateComposer( QgsComposerView* composerView, QString title = QString( "" ) );
+
+    /** Deletes parent composer of composer view, after closing composer window
+     * @note (added in 1.9)
+     */
+    void deleteComposer( QgsComposerView* composerView );
+
     /** Return changeable options built from settings and/or defaults
      * @note (added in 1.9)
      */

src/gui/qgisinterface.h

@@ -166,6 +166,26 @@ class GUI_EXPORT QgisInterface : public QObject
     /**Return mainwindows / composer views of running composer instances (currently only one)*/
     virtual QList<QgsComposerView*> activeComposers() = 0;
 
+    /** Create a new composer
+     * @param title window title for new composer (one will be generated if empty)
+     * @return pointer to composer's view
+     * @note new composer window will be shown and activated (added in 1.9)
+     */
+    virtual QgsComposerView* createNewComposer( QString title = QString( "" ) ) = 0;
+
+    /** Duplicate an existing parent composer from composer view
+     * @param composerView pointer to existing composer view
+     * @param title window title for duplicated composer (one will be generated if empty)
+     * @return pointer to duplicate composer's view
+     * @note dupicate composer window will be hidden until loaded, then shown and activated (added in 1.9)
+     */
+    virtual QgsComposerView* duplicateComposer( QgsComposerView* composerView, QString title = QString( "" ) ) = 0;
+
+    /** Deletes parent composer of composer view, after closing composer window
+     * @note (added in 1.9)
+     */
+    virtual void deleteComposer( QgsComposerView* composerView ) = 0;
+
     /** Return changeable options built from settings and/or defaults
      * @note (added in 1.9)
      */