[FEATURE] Drag qpt to QGIS to create new composer from template

qgis · Oct 17, 2016 · 17e318b · 17e318b
1 parent 8194de9
commit 17e318b
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diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -5120,6 +5120,47 @@ void QgisApp::openLayerDefinition( const QString & path )
   }
 }
 
+void QgisApp::openTemplate( const QString& fileName )
+{
+  QFile templateFile;
+  templateFile.setFileName( fileName );
+
+  if ( !templateFile.open( QIODevice::ReadOnly ) )
+  {
+    messageBar()->pushMessage( tr( "Load template" ), tr( "Could not read template file" ), QgsMessageBar::WARNING );
+    return;
+  }
+
+  QString title;
+  if ( !uniqueComposerTitle( this, title, true ) )
+  {
+    return;
+  }
+
+  QgsComposer* newComposer = createNewComposer( title );
+  if ( !newComposer )
+  {
+    messageBar()->pushMessage( tr( "Load template" ), tr( "Could not create composer" ), QgsMessageBar::WARNING );
+    return;
+  }
+
+  bool loadedOk = false;
+  QDomDocument templateDoc;
+  if ( templateDoc.setContent( &templateFile, false ) )
+  {
+    loadedOk = newComposer->loadFromTemplate( templateDoc, true );
+    newComposer->activate();
+  }
+
+  if ( !loadedOk )
+  {
+    newComposer->close();
+    deleteComposer( newComposer );
+    newComposer = nullptr;
+    messageBar()->pushMessage( tr( "Load template" ), tr( "Could not load template file" ), QgsMessageBar::WARNING );
+  }
+}
+
 // Open the project file corresponding to the
 // path at the given index in mRecentProjectPaths
 void QgisApp::openProject( QAction *action )
@@ -5246,6 +5287,10 @@ void QgisApp::openFile( const QString & fileName )
   {
     openLayerDefinition( fileName );
   }
+  else if ( fi.completeSuffix() == "qpt" )
+  {
+    openTemplate( fileName );
+  }
   else if ( fi.completeSuffix() == "py" )
   {
     runScript( fileName );

diff --git a/src/app/qgisapp.h b/src/app/qgisapp.h
@@ -203,6 +203,10 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
     void openProject( const QString & fileName );
 
     void openLayerDefinition( const QString & filename );
+
+    //! Open a composer template file and create a new composition
+    void openTemplate( const QString& fileName );
+
     /** Opens a qgis project file
       @returns false if unable to open the project
       */