Esempio n. 1
0
QgsComposition* QgsProjectParser::initComposition( const QString& composerTemplate, QgsMapRenderer* mapRenderer, QList< QgsComposerMap*>& mapList, QList< QgsComposerLabel* >& labelList ) const
{
  //Create composition from xml
  QDomElement composerElem = composerByName( composerTemplate );
  if ( composerElem.isNull() )
  {
    throw QgsMapServiceException( "Error", "Composer template not found" );
  }

  QDomElement compositionElem = composerElem.firstChildElement( "Composition" );
  if ( compositionElem.isNull() )
  {
    return 0;
  }

  QgsComposition* composition = new QgsComposition( mapRenderer ); //set resolution, paper size from composer element attributes
  if ( !composition->readXML( compositionElem, *mXMLDoc ) )
  {
    delete composition;
    return 0;
  }

  //go through all the item elements and add them to the composition (and to the lists)
  QDomNodeList itemNodes = composerElem.childNodes();
  for ( int i = 0; i < itemNodes.size(); ++i )
  {
    QDomElement currentElem = itemNodes.at( i ).toElement();
    QString elemName = currentElem.tagName();
    if ( elemName == "ComposerMap" )
    {
      QgsComposerMap* map = new QgsComposerMap( composition );
      map->readXML( currentElem, *mXMLDoc );
      composition->addItem( map );
      mapList.push_back( map );
    }
    else if ( elemName == "ComposerLabel" )
    {
      QgsComposerLabel* label = new QgsComposerLabel( composition );
      label->readXML( currentElem, *mXMLDoc );
      composition->addItem( label );
      labelList.push_back( label );
    }
    else if ( elemName == "ComposerLegend" )
    {
      //legend needs to be loaded indirectly to have generic content
      //and to avoid usage of x-server with pixmap icons

      //read full legend from xml
      QgsComposerLegend* legend = new QgsComposerLegend( composition );
      legend->readXML( currentElem, *mXMLDoc );

      //dynamic legend (would be interesting in case of layers dynamically defined in SLD)
      //legend->_readXML( currentElem.firstChildElement( "ComposerItem" ), *mXMLDoc );
      //legend->updateLegend();
      composition->addItem( legend );
    }
    else if ( elemName == "ComposerShape" )
    {
      QgsComposerShape* shape = new QgsComposerShape( composition );
      shape->readXML( currentElem, *mXMLDoc );
      composition->addItem( shape );
    }
    else if ( elemName == "ComposerArrow" )
    {
      QgsComposerArrow* arrow = new QgsComposerArrow( composition );
      arrow->readXML( currentElem, *mXMLDoc );
      composition->addItem( arrow );
    }
    else if ( elemName == "ComposerAttributeTable" )
    {
      QgsComposerAttributeTable* table = new QgsComposerAttributeTable( composition );
      table->readXML( currentElem, *mXMLDoc );
      composition->addItem( table );
    }
  }

  //scalebars and pictures need to be loaded after the maps to receive the correct size / rotation
  for ( int i = 0; i < itemNodes.size(); ++i )
  {
    QDomElement currentElem = itemNodes.at( i ).toElement();
    QString elemName = currentElem.tagName();
    if ( elemName == "ComposerPicture" )
    {
      QgsComposerPicture* picture = new QgsComposerPicture( composition );
      picture->readXML( currentElem, *mXMLDoc );
      //qgis mapserver needs an absolute file path
      picture->setPictureFile( convertToAbsolutePath( picture->pictureFile() ) );
      composition->addItem( picture );
    }
    else if ( elemName == "ComposerScaleBar" )
    {
      QgsComposerScaleBar* bar = new QgsComposerScaleBar( composition );
      bar->readXML( currentElem, *mXMLDoc );
      composition->addItem( bar );
    }
  }

  return composition;
}
Esempio n. 2
0
void QgsComposition::addItemsFromXML( const QDomElement& elem, const QDomDocument& doc, QMap< QgsComposerMap*, int >* mapsToRestore,
                                      bool addUndoCommands, QPointF* pos )
{
  QDomNodeList composerLabelList = elem.elementsByTagName( "ComposerLabel" );
  for ( int i = 0; i < composerLabelList.size(); ++i )
  {
    QDomElement currentComposerLabelElem = composerLabelList.at( i ).toElement();
    QgsComposerLabel* newLabel = new QgsComposerLabel( this );
    newLabel->readXML( currentComposerLabelElem, doc );
    if ( pos )
    {
      newLabel->setItemPosition( pos->x(), pos->y() );
    }
    addComposerLabel( newLabel );
    if ( addUndoCommands )
    {
      pushAddRemoveCommand( newLabel, tr( "Label added" ) );
    }
  }
  // map
  QDomNodeList composerMapList = elem.elementsByTagName( "ComposerMap" );
  for ( int i = 0; i < composerMapList.size(); ++i )
  {
    QDomElement currentComposerMapElem = composerMapList.at( i ).toElement();
    QgsComposerMap* newMap = new QgsComposerMap( this );
    newMap->readXML( currentComposerMapElem, doc );
    newMap->assignFreeId();

    if ( mapsToRestore )
    {
      mapsToRestore->insert( newMap, ( int )( newMap->previewMode() ) );
      newMap->setPreviewMode( QgsComposerMap::Rectangle );
    }
    addComposerMap( newMap, false );

    if ( pos )
    {
      newMap->setItemPosition( pos->x(), pos->y() );
    }

    if ( addUndoCommands )
    {
      pushAddRemoveCommand( newMap, tr( "Map added" ) );
    }
  }
  // arrow
  QDomNodeList composerArrowList = elem.elementsByTagName( "ComposerArrow" );
  for ( int i = 0; i < composerArrowList.size(); ++i )
  {
    QDomElement currentComposerArrowElem = composerArrowList.at( i ).toElement();
    QgsComposerArrow* newArrow = new QgsComposerArrow( this );
    newArrow->readXML( currentComposerArrowElem, doc );
    if ( pos )
    {
      newArrow->setItemPosition( pos->x(), pos->y() );
    }
    addComposerArrow( newArrow );
    if ( addUndoCommands )
    {
      pushAddRemoveCommand( newArrow, tr( "Arrow added" ) );
    }
  }
  // scalebar
  QDomNodeList composerScaleBarList = elem.elementsByTagName( "ComposerScaleBar" );
  for ( int i = 0; i < composerScaleBarList.size(); ++i )
  {
    QDomElement currentComposerScaleBarElem = composerScaleBarList.at( i ).toElement();
    QgsComposerScaleBar* newScaleBar = new QgsComposerScaleBar( this );
    newScaleBar->readXML( currentComposerScaleBarElem, doc );
    if ( pos )
    {
      newScaleBar->setItemPosition( pos->x(), pos->y() );
    }
    addComposerScaleBar( newScaleBar );
    if ( addUndoCommands )
    {
      pushAddRemoveCommand( newScaleBar, tr( "Scale bar added" ) );
    }
  }
  // shape
  QDomNodeList composerShapeList = elem.elementsByTagName( "ComposerShape" );
  for ( int i = 0; i < composerShapeList.size(); ++i )
  {
    QDomElement currentComposerShapeElem = composerShapeList.at( i ).toElement();
    QgsComposerShape* newShape = new QgsComposerShape( this );
    newShape->readXML( currentComposerShapeElem, doc );
    if ( pos )
    {
      newShape->setItemPosition( pos->x(), pos->y() );
    }
    addComposerShape( newShape );
    if ( addUndoCommands )
    {
      pushAddRemoveCommand( newShape, tr( "Shape added" ) );
    }
  }
  // picture
  QDomNodeList composerPictureList = elem.elementsByTagName( "ComposerPicture" );
  for ( int i = 0; i < composerPictureList.size(); ++i )
  {
    QDomElement currentComposerPictureElem = composerPictureList.at( i ).toElement();
    QgsComposerPicture* newPicture = new QgsComposerPicture( this );
    newPicture->readXML( currentComposerPictureElem, doc );
    if ( pos )
    {
      newPicture->setItemPosition( pos->x(), pos->y() );
    }
    addComposerPicture( newPicture );
    if ( addUndoCommands )
    {
      pushAddRemoveCommand( newPicture, tr( "Picture added" ) );
    }
  }
  // legend
  QDomNodeList composerLegendList = elem.elementsByTagName( "ComposerLegend" );
  for ( int i = 0; i < composerLegendList.size(); ++i )
  {
    QDomElement currentComposerLegendElem = composerLegendList.at( i ).toElement();
    QgsComposerLegend* newLegend = new QgsComposerLegend( this );
    newLegend->readXML( currentComposerLegendElem, doc );
    if ( pos )
    {
      newLegend->setItemPosition( pos->x(), pos->y() );
    }
    addComposerLegend( newLegend );
    if ( addUndoCommands )
    {
      pushAddRemoveCommand( newLegend, tr( "Legend added" ) );
    }
  }
  // table
  QDomNodeList composerTableList = elem.elementsByTagName( "ComposerAttributeTable" );
  for ( int i = 0; i < composerTableList.size(); ++i )
  {
    QDomElement currentComposerTableElem = composerTableList.at( i ).toElement();
    QgsComposerAttributeTable* newTable = new QgsComposerAttributeTable( this );
    newTable->readXML( currentComposerTableElem, doc );
    if ( pos )
    {
      newTable->setItemPosition( pos->x(), pos->y() );
    }
    addComposerTable( newTable );
    if ( addUndoCommands )
    {
      pushAddRemoveCommand( newTable, tr( "Table added" ) );
    }
  }
  //html
  QDomNodeList composerHtmlList = elem.elementsByTagName( "ComposerHtml" );
  for ( int i = 0; i < composerHtmlList.size(); ++i )
  {
    QDomElement currentHtmlElem = composerHtmlList.at( i ).toElement();
    QgsComposerHtml* newHtml = new QgsComposerHtml( this, false );
    newHtml->readXML( currentHtmlElem, doc );
    newHtml->setCreateUndoCommands( true );
    this->addMultiFrame( newHtml );
  }
}