void QgsAtlasComposition::updateAtlasMaps()
{
//update atlas-enabled composer maps
QList<QgsComposerMap*> maps;
mComposition->composerItems( maps );
for ( QList<QgsComposerMap*>::iterator mit = maps.begin(); mit != maps.end(); ++mit )
{
QgsComposerMap* currentMap = ( *mit );
if ( !currentMap->atlasDriven() )
{
continue;
}
currentMap->cache();
}
}
QgsComposerMap* QgsAtlasComposition::composerMap() const
{
//deprecated method. Until removed just return the first atlas-enabled composer map
//build a list of composer maps
QList<QgsComposerMap*> maps;
mComposition->composerItems( maps );
for ( QList<QgsComposerMap*>::iterator mit = maps.begin(); mit != maps.end(); ++mit )
{
QgsComposerMap* currentMap = ( *mit );
if ( currentMap->atlasDriven() )
{
return currentMap;
}
}
return 0;
}
void QgsComposerItemWidget::on_mBackgroundColorButton_colorChanged( const QColor& newBackgroundColor )
{
if ( !mItem )
{
return;
}
mItem->beginCommand( tr( "Background color changed" ) );
mItem->setBackgroundColor( newBackgroundColor );
//if the item is a composer map, we need to regenerate the map image
//because it usually is cached
QgsComposerMap* cm = dynamic_cast<QgsComposerMap *>( mItem );
if ( cm )
{
cm->cache();
}
mItem->update();
mItem->endCommand();
}
void QgsComposerItemWidget::on_mBackgroundGroupBox_toggled( bool state )
{
if ( !mItem )
{
return;
}
mItem->beginCommand( tr( "Item background toggled" ) );
mItem->setBackgroundEnabled( state );
//if the item is a composer map, we need to regenerate the map image
//because it usually is cached
QgsComposerMap* cm = dynamic_cast<QgsComposerMap *>( mItem );
if ( cm )
{
cm->cache();
}
mItem->update();
mItem->endCommand();
}
void QgsAtlasComposition::readXML( const QDomElement& atlasElem, const QDomDocument& )
{
mEnabled = atlasElem.attribute( "enabled", "false" ) == "true" ? true : false;
emit toggled( mEnabled );
if ( !mEnabled )
{
emit parameterChanged();
return;
}
// look for stored layer name
mCoverageLayer = 0;
QMap<QString, QgsMapLayer*> layers = QgsMapLayerRegistry::instance()->mapLayers();
for ( QMap<QString, QgsMapLayer*>::const_iterator it = layers.begin(); it != layers.end(); ++it )
{
if ( it.key() == atlasElem.attribute( "coverageLayer" ) )
{
mCoverageLayer = dynamic_cast<QgsVectorLayer*>( it.value() );
break;
}
}
//look for stored composer map, to upgrade pre 2.1 projects
int composerMapNo = atlasElem.attribute( "composerMap", "-1" ).toInt();
QgsComposerMap * composerMap = 0;
if ( composerMapNo != -1 )
{
QList<QgsComposerMap*> maps;
mComposition->composerItems( maps );
for ( QList<QgsComposerMap*>::iterator it = maps.begin(); it != maps.end(); ++it )
{
if (( *it )->id() == composerMapNo )
{
composerMap = ( *it );
composerMap->setAtlasDriven( true );
break;
}
}
}
mHideCoverage = atlasElem.attribute( "hideCoverage", "false" ) == "true" ? true : false;
//upgrade pre 2.1 projects
double margin = atlasElem.attribute( "margin", "0.0" ).toDouble();
if ( composerMap && margin != 0 )
{
composerMap->setAtlasMargin( margin );
}
bool fixedScale = atlasElem.attribute( "fixedScale", "false" ) == "true" ? true : false;
if ( composerMap && fixedScale )
{
composerMap->setAtlasFixedScale( true );
}
mSingleFile = atlasElem.attribute( "singleFile", "false" ) == "true" ? true : false;
mFilenamePattern = atlasElem.attribute( "filenamePattern", "" );
mSortFeatures = atlasElem.attribute( "sortFeatures", "false" ) == "true" ? true : false;
if ( mSortFeatures )
{
mSortKeyAttributeIdx = atlasElem.attribute( "sortKey", "0" ).toInt();
mSortAscending = atlasElem.attribute( "sortAscending", "true" ) == "true" ? true : false;
}
mFilterFeatures = atlasElem.attribute( "filterFeatures", "false" ) == "true" ? true : false;
if ( mFilterFeatures )
{
mFeatureFilter = atlasElem.attribute( "featureFilter", "" );
}
emit parameterChanged();
}
bool QgsAtlasComposition::prepareForFeature( const int featureI, const bool updateMaps )
{
if ( !mCoverageLayer )
{
return false;
}
if ( mFeatureIds.isEmpty() )
{
emit statusMsgChanged( tr( "No matching atlas features" ) );
return false;
}
if ( featureI >= mFeatureIds.size() )
{
return false;
}
mCurrentFeatureNo = featureI;
// retrieve the next feature, based on its id
mCoverageLayer->getFeatures( QgsFeatureRequest().setFilterFid( mFeatureIds[ featureI ].first ) ).nextFeature( mCurrentFeature );
QgsExpressionContext expressionContext = createExpressionContext();
// generate filename for current feature
if ( !evalFeatureFilename( expressionContext ) )
{
//error evaluating filename
return false;
}
mGeometryCache.clear();
emit featureChanged( &mCurrentFeature );
emit statusMsgChanged( QString( tr( "Atlas feature %1 of %2" ) ).arg( featureI + 1 ).arg( mFeatureIds.size() ) );
if ( !mCurrentFeature.isValid() )
{
//bad feature
return true;
}
if ( !updateMaps )
{
//nothing more to do
return true;
}
//update composer maps
//build a list of atlas-enabled composer maps
QList<QgsComposerMap*> maps;
QList<QgsComposerMap*> atlasMaps;
mComposition->composerItems( maps );
if ( maps.isEmpty() )
{
return true;
}
for ( QList<QgsComposerMap*>::iterator mit = maps.begin(); mit != maps.end(); ++mit )
{
QgsComposerMap* currentMap = ( *mit );
if ( !currentMap->atlasDriven() )
{
continue;
}
atlasMaps << currentMap;
}
if ( !atlasMaps.isEmpty() )
{
//clear the transformed bounds of the previous feature
mTransformedFeatureBounds = QgsRectangle();
// compute extent of current feature in the map CRS. This should be set on a per-atlas map basis,
// but given that it's not currently possible to have maps with different CRSes we can just
// calculate it once based on the first atlas maps' CRS.
computeExtent( atlasMaps[0] );
}
for ( QList<QgsComposerMap*>::iterator mit = maps.begin(); mit != maps.end(); ++mit )
{
if (( *mit )->atlasDriven() )
{
// map is atlas driven, so update it's bounds (causes a redraw)
prepareMap( *mit );
}
else
{
// map is not atlas driven, so manually force a redraw (to reflect possibly atlas
// dependent symbology)
( *mit )->cache();
}
}
return true;
}
void QgsAtlasComposition::prepareForFeature( int featureI )
{
if ( !mCoverageLayer )
{
return;
}
if ( mFeatureIds.size() == 0 )
{
emit statusMsgChanged( tr( "No matching atlas features" ) );
return;
}
// retrieve the next feature, based on its id
mCoverageLayer->getFeatures( QgsFeatureRequest().setFilterFid( mFeatureIds[ featureI ] ) ).nextFeature( mCurrentFeature );
QgsExpression::setSpecialColumn( "$atlasfeatureid", mCurrentFeature.id() );
QgsExpression::setSpecialColumn( "$atlasgeometry", QVariant::fromValue( *mCurrentFeature.geometry() ) );
QgsExpression::setSpecialColumn( "$feature", QVariant(( int )featureI + 1 ) );
// generate filename for current feature
evalFeatureFilename();
// evaluate label expressions
QList<QgsComposerLabel*> labels;
mComposition->composerItems( labels );
for ( QList<QgsComposerLabel*>::iterator lit = labels.begin(); lit != labels.end(); ++lit )
{
( *lit )->setExpressionContext( &mCurrentFeature, mCoverageLayer );
}
// update shapes (in case they use data defined symbology with atlas properties)
QList<QgsComposerShape*> shapes;
mComposition->composerItems( shapes );
for ( QList<QgsComposerShape*>::iterator lit = shapes.begin(); lit != shapes.end(); ++lit )
{
( *lit )->update();
}
// update page background (in case it uses data defined symbology with atlas properties)
QList<QgsPaperItem*> pages;
mComposition->composerItems( pages );
for ( QList<QgsPaperItem*>::iterator pageIt = pages.begin(); pageIt != pages.end(); ++pageIt )
{
( *pageIt )->update();
}
emit statusMsgChanged( QString( tr( "Atlas feature %1 of %2" ) ).arg( featureI + 1 ).arg( mFeatureIds.size() ) );
//update composer maps
//build a list of atlas-enabled composer maps
QList<QgsComposerMap*> maps;
QList<QgsComposerMap*> atlasMaps;
mComposition->composerItems( maps );
for ( QList<QgsComposerMap*>::iterator mit = maps.begin(); mit != maps.end(); ++mit )
{
QgsComposerMap* currentMap = ( *mit );
if ( !currentMap->atlasDriven() )
{
continue;
}
atlasMaps << currentMap;
}
//clear the transformed bounds of the previous feature
mTransformedFeatureBounds = QgsRectangle();
if ( atlasMaps.isEmpty() )
{
//no atlas enabled maps
return;
}
// compute extent of current feature in the map CRS. This should be set on a per-atlas map basis,
// but given that it's not currently possible to have maps with different CRSes we can just
// calculate it once based on the first atlas maps' CRS.
computeExtent( atlasMaps[0] );
//update atlas bounds of every atlas enabled composer map
for ( QList<QgsComposerMap*>::iterator mit = atlasMaps.begin(); mit != atlasMaps.end(); ++mit )
{
prepareMap( *mit );
}
}
void QgsComposerView::mouseReleaseEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPointF scenePoint = mapToScene( e->pos() );
switch ( mCurrentTool )
{
case Select:
{
QGraphicsView::mouseReleaseEvent( e );
break;
}
case MoveItemContent:
{
if ( mMoveContentItem )
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( 0, 0 );
}
double moveX = scenePoint.x() - mMoveContentStartPos.x();
double moveY = scenePoint.y() - mMoveContentStartPos.y();
composition()->beginCommand( mMoveContentItem, tr( "Move item content" ) );
mMoveContentItem->moveContent( -moveX, -moveY );
composition()->endCommand();
mMoveContentItem = 0;
}
break;
}
case AddArrow:
if ( composition() )
{
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
QgsComposerArrow* composerArrow = new QgsComposerArrow( mRubberBandStartPos, QPointF( snappedScenePoint.x(), snappedScenePoint.y() ), composition() );
composition()->addComposerArrow( composerArrow );
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerArrow, tr( "Arrow added" ) );
}
break;
case AddShape:
if ( !mRubberBandItem || mRubberBandItem->rect().width() < 0.1 || mRubberBandItem->rect().width() < 0.1 )
{
scene()->removeItem( mRubberBandItem );
delete mRubberBandItem;
mRubberBandItem = 0;
return;
}
if ( composition() )
{
QgsComposerShape* composerShape = new QgsComposerShape( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height(), composition() );
composition()->addComposerShape( composerShape );
scene()->removeItem( mRubberBandItem );
delete mRubberBandItem;
mRubberBandItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerShape, tr( "Shape added" ) );
}
break;
case AddMap:
if ( !mRubberBandItem || mRubberBandItem->rect().width() < 0.1 || mRubberBandItem->rect().width() < 0.1 )
{
if ( mRubberBandItem )
{
scene()->removeItem( mRubberBandItem );
delete mRubberBandItem;
mRubberBandItem = 0;
}
return;
}
if ( composition() )
{
QgsComposerMap* composerMap = new QgsComposerMap( composition(), mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
composition()->addComposerMap( composerMap );
scene()->removeItem( mRubberBandItem );
delete mRubberBandItem;
mRubberBandItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerMap, tr( "Map added" ) );
}
break;
default:
break;
}
}
void QgsComposerView::mouseMoveEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
if ( e->buttons() == Qt::NoButton )
{
if ( mCurrentTool == Select )
{
QGraphicsView::mouseMoveEvent( e );
}
}
else
{
QPointF scenePoint = mapToScene( e->pos() );
switch ( mCurrentTool )
{
case Select:
QGraphicsView::mouseMoveEvent( e );
break;
case AddArrow:
{
if ( mRubberBandLineItem )
{
mRubberBandLineItem->setLine( mRubberBandStartPos.x(), mRubberBandStartPos.y(), scenePoint.x(), scenePoint.y() );
}
break;
}
case AddMap:
case AddShape:
//adjust rubber band item
{
double x = 0;
double y = 0;
double width = 0;
double height = 0;
double dx = scenePoint.x() - mRubberBandStartPos.x();
double dy = scenePoint.y() - mRubberBandStartPos.y();
if ( dx < 0 )
{
x = scenePoint.x();
width = -dx;
}
else
{
x = mRubberBandStartPos.x();
width = dx;
}
if ( dy < 0 )
{
y = scenePoint.y();
height = -dy;
}
else
{
y = mRubberBandStartPos.y();
height = dy;
}
if ( mRubberBandItem )
{
mRubberBandItem->setRect( 0, 0, width, height );
QTransform t;
t.translate( x, y );
mRubberBandItem->setTransform( t );
}
break;
}
case MoveItemContent:
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( scenePoint.x() - mMoveContentStartPos.x(), scenePoint.y() - mMoveContentStartPos.y() );
composerMap->update();
}
break;
}
default:
break;
}
}
}
void QgsAtlasComposition::readXML( const QDomElement& atlasElem, const QDomDocument& )
{
mEnabled = atlasElem.attribute( "enabled", "false" ) == "true" ? true : false;
emit toggled( mEnabled );
if ( !mEnabled )
{
emit parameterChanged();
return;
}
// look for stored layer name
mCoverageLayer = 0;
QMap<QString, QgsMapLayer*> layers = QgsMapLayerRegistry::instance()->mapLayers();
for ( QMap<QString, QgsMapLayer*>::const_iterator it = layers.begin(); it != layers.end(); ++it )
{
if ( it.key() == atlasElem.attribute( "coverageLayer" ) )
{
mCoverageLayer = dynamic_cast<QgsVectorLayer*>( it.value() );
break;
}
}
//look for stored composer map, to upgrade pre 2.1 projects
int composerMapNo = atlasElem.attribute( "composerMap", "-1" ).toInt();
QgsComposerMap * composerMap = 0;
if ( composerMapNo != -1 )
{
QList<QgsComposerMap*> maps;
mComposition->composerItems( maps );
for ( QList<QgsComposerMap*>::iterator it = maps.begin(); it != maps.end(); ++it )
{
if (( *it )->id() == composerMapNo )
{
composerMap = ( *it );
composerMap->setAtlasDriven( true );
break;
}
}
}
mHideCoverage = atlasElem.attribute( "hideCoverage", "false" ) == "true" ? true : false;
//upgrade pre 2.1 projects
double margin = atlasElem.attribute( "margin", "0.0" ).toDouble();
if ( composerMap && margin != 0 )
{
composerMap->setAtlasMargin( margin );
}
bool fixedScale = atlasElem.attribute( "fixedScale", "false" ) == "true" ? true : false;
if ( composerMap && fixedScale )
{
composerMap->setAtlasScalingMode( QgsComposerMap::Fixed );
}
mSingleFile = atlasElem.attribute( "singleFile", "false" ) == "true" ? true : false;
mFilenamePattern = atlasElem.attribute( "filenamePattern", "" );
mSortFeatures = atlasElem.attribute( "sortFeatures", "false" ) == "true" ? true : false;
if ( mSortFeatures )
{
mSortKeyAttributeName = atlasElem.attribute( "sortKey", "" );
// since 2.3, the field name is saved instead of the field index
// following code keeps compatibility with version 2.2 projects
// to be removed in QGIS 3.0
bool isIndex;
int idx = mSortKeyAttributeName.toInt( &isIndex );
if ( isIndex && mCoverageLayer )
{
const QgsFields fields = mCoverageLayer->pendingFields();
if ( idx >= 0 && idx < fields.count() )
{
mSortKeyAttributeName = fields[idx].name();
}
}
mSortAscending = atlasElem.attribute( "sortAscending", "true" ) == "true" ? true : false;
}
mFilterFeatures = atlasElem.attribute( "filterFeatures", "false" ) == "true" ? true : false;
if ( mFilterFeatures )
{
mFeatureFilter = atlasElem.attribute( "featureFilter", "" );
}
emit parameterChanged();
}
QgsComposition* QgsConfigParser::createPrintComposition( const QString& composerTemplate, QgsMapRenderer* mapRenderer, const QMap< QString, QString >& parameterMap ) const
{
QList<QgsComposerMap*> composerMaps;
QList<QgsComposerLabel*> composerLabels;
QgsComposition* c = initComposition( composerTemplate, mapRenderer, composerMaps, composerLabels );
if ( !c )
{
return 0;
}
QMap< QString, QString >::const_iterator dpiIt = parameterMap.find( "DPI" );
if ( dpiIt != parameterMap.constEnd() )
{
c->setPrintResolution( dpiIt.value().toInt() );
}
//replace composer map parameters
QList<QgsComposerMap*>::iterator mapIt = composerMaps.begin();
QgsComposerMap* currentMap = 0;
for ( ; mapIt != composerMaps.end(); ++mapIt )
{
currentMap = *mapIt;
if ( !currentMap )
{
continue;
}
QString mapId = "MAP" + QString::number( currentMap->id() );
QMap< QString, QString >::const_iterator extentIt = parameterMap.find( mapId + ":EXTENT" );
if ( extentIt == parameterMap.constEnd() ) //map extent is mandatory
{
//remove map from composition if not referenced by the request
c->removeItem( *mapIt ); delete( *mapIt ); continue;
}
QStringList coordList = extentIt.value().split( "," );
if ( coordList.size() < 4 )
{
c->removeItem( *mapIt ); delete( *mapIt ); continue; //need at least four coordinates
}
bool xMinOk, yMinOk, xMaxOk, yMaxOk;
double xmin = coordList.at( 0 ).toDouble( &xMinOk );
double ymin = coordList.at( 1 ).toDouble( &yMinOk );
double xmax = coordList.at( 2 ).toDouble( &xMaxOk );
double ymax = coordList.at( 3 ).toDouble( &yMaxOk );
if ( !xMinOk || !yMinOk || !xMaxOk || !yMaxOk )
{
c->removeItem( *mapIt ); delete( *mapIt ); continue;
}
//Change x- and y- of extent for WMS 1.3.0 and geographic coordinate systems
QMap<QString, QString>::const_iterator versionIt = parameterMap.find( "VERSION" );
if ( versionIt != parameterMap.end() )
{
if ( mapRenderer && versionIt.value() == "1.3.0" && mapRenderer->destinationCrs().geographicFlag() )
{
//switch coordinates of extent
double tmp;
tmp = xmin;
xmin = ymin; ymin = tmp;
tmp = xmax;
xmax = ymax; ymax = tmp;
}
}
currentMap->setNewExtent( QgsRectangle( xmin, ymin, xmax, ymax ) );
//scale
QMap< QString, QString >::const_iterator scaleIt = parameterMap.find( mapId + ":SCALE" );
if ( scaleIt != parameterMap.constEnd() )
{
bool scaleOk;
double scale = scaleIt->toDouble( &scaleOk );
if ( scaleOk )
{
currentMap->setNewScale( scale );
}
}
//rotation
QMap< QString, QString >::const_iterator rotationIt = parameterMap.find( mapId + ":ROTATION" );
if ( rotationIt != parameterMap.constEnd() )
{
bool rotationOk;
double rotation = rotationIt->toDouble( &rotationOk );
if ( rotationOk )
{
currentMap->setMapRotation( rotation );
}
}
//layers / styles
QMap< QString, QString >::const_iterator layersIt = parameterMap.find( mapId + ":LAYERS" );
QMap< QString, QString >::const_iterator stylesIt = parameterMap.find( mapId + ":STYLES" );
if ( layersIt != parameterMap.constEnd() )
{
QStringList layerSet;
QStringList wmsLayerList = layersIt->split( "," );
QStringList wmsStyleList;
if ( stylesIt != parameterMap.constEnd() )
{
wmsStyleList = stylesIt->split( "," );
}
for ( int i = 0; i < wmsLayerList.size(); ++i )
{
QString styleName;
if ( wmsStyleList.size() > i )
{
styleName = wmsStyleList.at( i );
}
QList<QgsMapLayer*> layerList = mapLayerFromStyle( wmsLayerList.at( i ), styleName );
QList<QgsMapLayer*>::const_iterator mapIdIt = layerList.constBegin();
for ( ; mapIdIt != layerList.constEnd(); ++mapIdIt )
{
if ( *mapIdIt )
{
layerSet.push_back(( *mapIdIt )->id() );
}
}
}
currentMap->setLayerSet( layerSet );
currentMap->setKeepLayerSet( true );
}
//grid space x / y
QMap< QString, QString >::const_iterator gridSpaceXIt = parameterMap.find( mapId + ":GRID_INTERVAL_X" );
if ( gridSpaceXIt != parameterMap.constEnd() )
{
bool intervalXOk;
double intervalX = gridSpaceXIt->toDouble( &intervalXOk );
if ( intervalXOk )
{
currentMap->setGridIntervalX( intervalX );
}
}
else
{
currentMap->setGridIntervalX( 0 );
}
QMap< QString, QString >::const_iterator gridSpaceYIt = parameterMap.find( mapId + ":GRID_INTERVAL_Y" );
if ( gridSpaceYIt != parameterMap.constEnd() )
{
bool intervalYOk;
double intervalY = gridSpaceYIt->toDouble( &intervalYOk );
if ( intervalYOk )
{
currentMap->setGridIntervalY( intervalY );
}
}
else
{
currentMap->setGridIntervalY( 0 );
}
}
//replace label text
QList<QgsComposerLabel*>::const_iterator labelIt = composerLabels.constBegin();
QgsComposerLabel* currentLabel = 0;
for ( ; labelIt != composerLabels.constEnd(); ++labelIt )
{
currentLabel = *labelIt;
QMap< QString, QString >::const_iterator titleIt = parameterMap.find( currentLabel->id().toUpper() );
if ( titleIt == parameterMap.constEnd() )
{
//remove exported labels not referenced in the request
if ( !currentLabel->id().isEmpty() )
{
c->removeItem( currentLabel );
delete( currentLabel );
}
continue;
}
if ( !titleIt.key().isEmpty() ) //no label text replacement with empty key
{
currentLabel->setText( titleIt.value() );
currentLabel->adjustSizeToText();
}
}
return c;
}
void QgsComposerView::mouseReleaseEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPoint mousePressStopPoint = e->pos();
int diffX = mousePressStopPoint.x() - mMousePressStartPos.x();
int diffY = mousePressStopPoint.y() - mMousePressStartPos.y();
//was this just a click? or a click and drag?
bool clickOnly = false;
if ( qAbs( diffX ) < 2 && qAbs( diffY ) < 2 )
{
clickOnly = true;
}
QPointF scenePoint = mapToScene( e->pos() );
if ( mPanning )
{
mPanning = false;
if ( clickOnly && e->button() == Qt::MidButton )
{
//middle mouse button click = recenter on point
//get current visible part of scene
QRect viewportRect( 0, 0, viewport()->width(), viewport()->height() );
QgsRectangle visibleRect = QgsRectangle( mapToScene( viewportRect ).boundingRect() );
visibleRect.scale( 1, scenePoint.x(), scenePoint.y() );
QRectF boundsRect = visibleRect.toRectF();
//zoom view to fit desired bounds
fitInView( boundsRect, Qt::KeepAspectRatio );
}
//set new cursor
if ( mCurrentTool == Pan )
{
viewport()->setCursor( Qt::OpenHandCursor );
}
else
{
if ( composition() )
{
//allow composer items to change cursor
composition()->setPreventCursorChange( false );
}
viewport()->setCursor( Qt::ArrowCursor );
}
}
if ( mMarqueeSelect )
{
endMarqueeSelect( e );
return;
}
switch ( mCurrentTool )
{
case Select:
{
QGraphicsView::mouseReleaseEvent( e );
break;
}
case Zoom:
{
if ( mMarqueeZoom )
{
endMarqueeZoom( e );
}
break;
}
case MoveItemContent:
{
if ( mMoveContentItem )
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( 0, 0 );
}
double moveX = scenePoint.x() - mMoveContentStartPos.x();
double moveY = scenePoint.y() - mMoveContentStartPos.y();
composition()->beginCommand( mMoveContentItem, tr( "Move item content" ) );
mMoveContentItem->moveContent( -moveX, -moveY );
composition()->endCommand();
mMoveContentItem = 0;
}
break;
}
case AddArrow:
if ( composition() )
{
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
QgsComposerArrow* composerArrow = new QgsComposerArrow( mRubberBandStartPos, QPointF( snappedScenePoint.x(), snappedScenePoint.y() ), composition() );
composition()->addComposerArrow( composerArrow );
composition()->clearSelection();
composerArrow->setSelected( true );
emit selectedItemChanged( composerArrow );
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerArrow, tr( "Arrow added" ) );
}
break;
case AddRectangle:
case AddTriangle:
case AddEllipse:
addShape( mCurrentTool );
break;
case AddMap:
if ( !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
removeRubberBand();
return;
}
if ( composition() )
{
QgsComposerMap* composerMap = new QgsComposerMap( composition(), mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
composition()->addComposerMap( composerMap );
composition()->clearSelection();
composerMap->setSelected( true );
emit selectedItemChanged( composerMap );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( composerMap, tr( "Map added" ) );
}
break;
case AddHtml:
if ( composition() )
{
QgsComposerHtml* composerHtml = new QgsComposerHtml( composition(), true );
QgsAddRemoveMultiFrameCommand* command = new QgsAddRemoveMultiFrameCommand( QgsAddRemoveMultiFrameCommand::Added,
composerHtml, composition(), tr( "Html item added" ) );
composition()->undoStack()->push( command );
QgsComposerFrame* frame = new QgsComposerFrame( composition(), composerHtml, mRubberBandItem->transform().dx(),
mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(),
mRubberBandItem->rect().height() );
composition()->beginMultiFrameCommand( composerHtml, tr( "Html frame added" ) );
composerHtml->addFrame( frame );
composition()->endMultiFrameCommand();
composition()->clearSelection();
frame->setSelected( true );
emit selectedItemChanged( frame );
removeRubberBand();
emit actionFinished();
}
default:
break;
}
}
bool QgsAtlasComposition::prepareForFeature( int featureI )
{
if ( !mCoverageLayer )
{
return false;
}
if ( mFeatureIds.size() == 0 )
{
emit statusMsgChanged( tr( "No matching atlas features" ) );
return false;
}
mCurrentFeatureNo = featureI;
// retrieve the next feature, based on its id
mCoverageLayer->getFeatures( QgsFeatureRequest().setFilterFid( mFeatureIds[ featureI ] ) ).nextFeature( mCurrentFeature );
QgsExpression::setSpecialColumn( "$atlasfeatureid", mCurrentFeature.id() );
QgsExpression::setSpecialColumn( "$atlasgeometry", QVariant::fromValue( *mCurrentFeature.geometry() ) );
QgsExpression::setSpecialColumn( "$atlasfeature", QVariant::fromValue( mCurrentFeature ) );
QgsExpression::setSpecialColumn( "$feature", QVariant(( int )featureI + 1 ) );
// generate filename for current feature
if ( !evalFeatureFilename() )
{
//error evaluating filename
return false;
}
emit featureChanged( &mCurrentFeature );
emit statusMsgChanged( QString( tr( "Atlas feature %1 of %2" ) ).arg( featureI + 1 ).arg( mFeatureIds.size() ) );
//update composer maps
//build a list of atlas-enabled composer maps
QList<QgsComposerMap*> maps;
QList<QgsComposerMap*> atlasMaps;
mComposition->composerItems( maps );
for ( QList<QgsComposerMap*>::iterator mit = maps.begin(); mit != maps.end(); ++mit )
{
QgsComposerMap* currentMap = ( *mit );
if ( !currentMap->atlasDriven() )
{
continue;
}
atlasMaps << currentMap;
}
//clear the transformed bounds of the previous feature
mTransformedFeatureBounds = QgsRectangle();
if ( atlasMaps.isEmpty() )
{
//no atlas enabled maps
return true;
}
// compute extent of current feature in the map CRS. This should be set on a per-atlas map basis,
// but given that it's not currently possible to have maps with different CRSes we can just
// calculate it once based on the first atlas maps' CRS.
computeExtent( atlasMaps[0] );
//update atlas bounds of every atlas enabled composer map
for ( QList<QgsComposerMap*>::iterator mit = atlasMaps.begin(); mit != atlasMaps.end(); ++mit )
{
prepareMap( *mit );
}
return true;
}
void QgsComposerView::keyPressEvent( QKeyEvent * e )
{
if ( e->key() == Qt::Key_Shift )
{
mShiftKeyPressed = true;
}
if ( !composition() )
{
return;
}
QList<QgsComposerItem*> composerItemList = composition()->selectedComposerItems();
QList<QgsComposerItem*>::iterator itemIt = composerItemList.begin();
//delete selected items
if ( e->key() == Qt::Key_Delete || e->key() == Qt::Key_Backspace )
{
for ( ; itemIt != composerItemList.end(); ++itemIt )
{
QgsComposerMap* map = dynamic_cast<QgsComposerMap *>( *itemIt );
if ( !map || !map->isDrawing() ) //don't delete a composer map while it draws
{
composition()->removeItem( *itemIt );
QgsComposerItemGroup* itemGroup = dynamic_cast<QgsComposerItemGroup*>( *itemIt );
if ( itemGroup && composition() )
{
//add add/remove item command for every item in the group
QUndoCommand* parentCommand = new QUndoCommand( tr( "Remove item group" ) );
QSet<QgsComposerItem*> groupedItems = itemGroup->items();
QSet<QgsComposerItem*>::iterator it = groupedItems.begin();
for ( ; it != groupedItems.end(); ++it )
{
QgsAddRemoveItemCommand* subcommand = new QgsAddRemoveItemCommand( QgsAddRemoveItemCommand::Removed, *it, composition(), "", parentCommand );
connectAddRemoveCommandSignals( subcommand );
emit itemRemoved( *it );
}
composition()->undoStack()->push( parentCommand );
delete itemGroup;
emit itemRemoved( itemGroup );
}
else
{
emit itemRemoved( *itemIt );
pushAddRemoveCommand( *itemIt, tr( "Item deleted" ), QgsAddRemoveItemCommand::Removed );
}
}
}
}
else if ( e->key() == Qt::Key_Left )
{
for ( ; itemIt != composerItemList.end(); ++itemIt )
{
( *itemIt )->move( -1.0, 0.0 );
}
}
else if ( e->key() == Qt::Key_Right )
{
for ( ; itemIt != composerItemList.end(); ++itemIt )
{
( *itemIt )->move( 1.0, 0.0 );
}
}
else if ( e->key() == Qt::Key_Down )
{
for ( ; itemIt != composerItemList.end(); ++itemIt )
{
( *itemIt )->move( 0.0, 1.0 );
}
}
else if ( e->key() == Qt::Key_Up )
{
for ( ; itemIt != composerItemList.end(); ++itemIt )
{
( *itemIt )->move( 0.0, -1.0 );
}
}
}
void QgsAtlasComposition::prepareForFeature( int featureI )
{
if ( !mCoverageLayer )
{
return;
}
if ( mFeatureIds.size() == 0 )
{
emit statusMsgChanged( tr( "No matching atlas features" ) );
return;
}
// retrieve the next feature, based on its id
mCoverageLayer->getFeatures( QgsFeatureRequest().setFilterFid( mFeatureIds[ featureI ] ) ).nextFeature( mCurrentFeature );
QgsExpression::setSpecialColumn( "$atlasfeatureid", mCurrentFeature.id() );
QgsExpression::setSpecialColumn( "$atlasgeometry", QVariant::fromValue( *mCurrentFeature.geometry() ) );
QgsExpression::setSpecialColumn( "$feature", QVariant(( int )featureI + 1 ) );
// generate filename for current feature
evalFeatureFilename();
// evaluate label expressions
QList<QgsComposerLabel*> labels;
mComposition->composerItems( labels );
for ( QList<QgsComposerLabel*>::iterator lit = labels.begin(); lit != labels.end(); ++lit )
{
( *lit )->setExpressionContext( &mCurrentFeature, mCoverageLayer );
}
// update shapes (in case they use data defined symbology with atlas properties)
QList<QgsComposerShape*> shapes;
mComposition->composerItems( shapes );
for ( QList<QgsComposerShape*>::iterator lit = shapes.begin(); lit != shapes.end(); ++lit )
{
( *lit )->update();
}
// update page background (in case it uses data defined symbology with atlas properties)
QList<QgsPaperItem*> pages;
mComposition->composerItems( pages );
for ( QList<QgsPaperItem*>::iterator pageIt = pages.begin(); pageIt != pages.end(); ++pageIt )
{
( *pageIt )->update();
}
emit statusMsgChanged( QString( tr( "Atlas feature %1 of %2" ) ).arg( featureI + 1 ).arg( mFeatureIds.size() ) );
//update composer maps
//build a list of atlas-enabled composer maps
QList<QgsComposerMap*> maps;
QList<QgsComposerMap*> atlasMaps;
mComposition->composerItems( maps );
for ( QList<QgsComposerMap*>::iterator mit = maps.begin(); mit != maps.end(); ++mit )
{
QgsComposerMap* currentMap = ( *mit );
if ( !currentMap->atlasDriven() )
{
continue;
}
atlasMaps << currentMap;
}
if ( atlasMaps.isEmpty() )
{
//no atlas enabled maps
return;
}
//
// compute the new extent
// keep the original aspect ratio
// and apply a margin
const QgsCoordinateReferenceSystem& coverage_crs = mCoverageLayer->crs();
// transformation needed for feature geometries. This should be set on a per-atlas map basis,
// but given that it's not currently possible to have maps with different CRSes we can just
// calculate it once based on the first atlas maps' CRS.
const QgsCoordinateReferenceSystem& destination_crs = atlasMaps[0]->mapRenderer()->destinationCrs();
mTransform.setSourceCrs( coverage_crs );
mTransform.setDestCRS( destination_crs );
// QgsGeometry::boundingBox is expressed in the geometry"s native CRS
// We have to transform the grometry to the destination CRS and ask for the bounding box
// Note: we cannot directly take the transformation of the bounding box, since transformations are not linear
QgsGeometry tgeom( *mCurrentFeature.geometry() );
tgeom.transform( mTransform );
mTransformedFeatureBounds = tgeom.boundingBox();
//update atlas bounds of every atlas enabled composer map
for ( QList<QgsComposerMap*>::iterator mit = atlasMaps.begin(); mit != atlasMaps.end(); ++mit )
{
prepareMap( *mit );
}
}
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;
}
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 );
}
}
void QgsComposition::removeComposerItem( QgsComposerItem* item, bool createCommand )
{
QgsComposerMap* map = dynamic_cast<QgsComposerMap *>( item );
if ( !map || !map->isDrawing() ) //don't delete a composer map while it draws
{
removeItem( item );
QgsComposerItemGroup* itemGroup = dynamic_cast<QgsComposerItemGroup*>( item );
if ( itemGroup )
{
//add add/remove item command for every item in the group
QUndoCommand* parentCommand = new QUndoCommand( tr( "Remove item group" ) );
QSet<QgsComposerItem*> groupedItems = itemGroup->items();
QSet<QgsComposerItem*>::iterator it = groupedItems.begin();
for ( ; it != groupedItems.end(); ++it )
{
QgsAddRemoveItemCommand* subcommand = new QgsAddRemoveItemCommand( QgsAddRemoveItemCommand::Removed, *it, this, "", parentCommand );
connectAddRemoveCommandSignals( subcommand );
emit itemRemoved( *it );
}
undoStack()->push( parentCommand );
delete itemGroup;
emit itemRemoved( itemGroup );
}
else
{
bool frameItem = ( item->type() == QgsComposerItem::ComposerFrame );
QgsComposerMultiFrame* multiFrame = 0;
if ( createCommand )
{
if ( frameItem ) //multiframe tracks item changes
{
multiFrame = static_cast<QgsComposerFrame*>( item )->multiFrame();
item->beginItemCommand( tr( "Frame deleted" ) );
emit itemRemoved( item );
item->endItemCommand();
}
else
{
emit itemRemoved( item );
pushAddRemoveCommand( item, tr( "Item deleted" ), QgsAddRemoveItemCommand::Removed );
}
}
else
{
emit itemRemoved( item );
}
//check if there are frames left. If not, remove the multi frame
if ( frameItem && multiFrame )
{
if ( multiFrame->nFrames() < 1 )
{
removeMultiFrame( multiFrame );
if ( createCommand )
{
QgsAddRemoveMultiFrameCommand* command = new QgsAddRemoveMultiFrameCommand( QgsAddRemoveMultiFrameCommand::Removed,
multiFrame, this, tr( "Multiframe removed" ) );
undoStack()->push( command );
}
else
{
delete multiFrame;
}
}
}
}
}
}
QgsComposition* QgsConfigParser::createPrintComposition( const QString& composerTemplate, QgsMapRenderer* mapRenderer, const QMap< QString, QString >& parameterMap ) const
{
QList<QgsComposerMap*> composerMaps;
QList<QgsComposerLabel*> composerLabels;
QgsComposition* c = initComposition( composerTemplate, mapRenderer, composerMaps, composerLabels );
if ( !c )
{
return 0;
}
QMap< QString, QString >::const_iterator dpiIt = parameterMap.find( "DPI" );
if ( dpiIt != parameterMap.constEnd() )
{
c->setPrintResolution( dpiIt.value().toInt() );
}
//replace composer map parameters
QList<QgsComposerMap*>::iterator mapIt = composerMaps.begin();
QgsComposerMap* currentMap = 0;
for ( ; mapIt != composerMaps.end(); ++mapIt )
{
currentMap = *mapIt;
if ( !currentMap )
{
continue;
}
//search composer map title in parameter map-> string
QMap< QString, QString >::const_iterator titleIt = parameterMap.find( "MAP" + QString::number( currentMap->id() ) );
if ( titleIt == parameterMap.constEnd() )
{
continue;
}
QString replaceString = titleIt.value();
QStringList replacementList = replaceString.split( "/" );
//get map extent from string
if ( replacementList.size() > 0 )
{
QStringList coordList = replacementList.at( 0 ).split( "," );
if ( coordList.size() > 3 )
{
bool xMinOk, yMinOk, xMaxOk, yMaxOk;
double xmin = coordList.at( 0 ).toDouble( &xMinOk );
double ymin = coordList.at( 1 ).toDouble( &yMinOk );
double xmax = coordList.at( 2 ).toDouble( &xMaxOk );
double ymax = coordList.at( 3 ).toDouble( &yMaxOk );
if ( xMinOk && yMinOk && xMaxOk && yMaxOk )
{
currentMap->setNewExtent( QgsRectangle( xmin, ymin, xmax, ymax ) );
}
}
}
//get rotation from string
if ( replacementList.size() > 1 )
{
bool rotationOk;
double rotation = replacementList.at( 1 ).toDouble( &rotationOk );
if ( rotationOk )
{
currentMap->setMapRotation( rotation );
}
}
//get layer list from string
if ( replacementList.size() > 2 )
{
QStringList layerSet;
QStringList wmsLayerList = replacementList.at( 2 ).split( "," );
QStringList wmsStyleList;
if ( replacementList.size() > 3 )
{
wmsStyleList = replacementList.at( 3 ).split( "," );
}
for ( int i = 0; i < wmsLayerList.size(); ++i )
{
QString styleName;
if ( wmsStyleList.size() > i )
{
styleName = wmsStyleList.at( i );
}
QList<QgsMapLayer*> layerList = mapLayerFromStyle( wmsLayerList.at( i ), styleName );
QList<QgsMapLayer*>::const_iterator mapIdIt = layerList.constBegin();
for ( ; mapIdIt != layerList.constEnd(); ++mapIdIt )
{
if ( *mapIdIt )
{
layerSet.push_back(( *mapIdIt )->getLayerID() );
}
}
}
currentMap->setLayerSet( layerSet );
currentMap->setKeepLayerSet( true );
}
}
//replace composer label text
return c;
}
void QgsComposerView::mouseReleaseEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPointF scenePoint = mapToScene( e->pos() );
if ( mPanning )
{
mPanning = false;
//set new cursor
if ( mCurrentTool == Pan )
{
viewport()->setCursor( Qt::OpenHandCursor );
}
else
{
if ( composition() )
{
//allow composer items to change cursor
composition()->setPreventCursorChange( false );
}
viewport()->setCursor( Qt::ArrowCursor );
}
}
if ( mMarqueeSelect )
{
endMarqueeSelect( e );
return;
}
switch ( mCurrentTool )
{
case Select:
{
QGraphicsView::mouseReleaseEvent( e );
break;
}
case MoveItemContent:
{
if ( mMoveContentItem )
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( 0, 0 );
}
double moveX = scenePoint.x() - mMoveContentStartPos.x();
double moveY = scenePoint.y() - mMoveContentStartPos.y();
composition()->beginCommand( mMoveContentItem, tr( "Move item content" ) );
mMoveContentItem->moveContent( -moveX, -moveY );
composition()->endCommand();
mMoveContentItem = 0;
}
break;
}
case AddArrow:
if ( composition() )
{
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
QgsComposerArrow* composerArrow = new QgsComposerArrow( mRubberBandStartPos, QPointF( snappedScenePoint.x(), snappedScenePoint.y() ), composition() );
composition()->addComposerArrow( composerArrow );
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerArrow, tr( "Arrow added" ) );
}
break;
case AddRectangle:
case AddTriangle:
case AddEllipse:
addShape( mCurrentTool );
break;
case AddMap:
if ( !mRubberBandItem || mRubberBandItem->rect().width() < 0.1 || mRubberBandItem->rect().width() < 0.1 )
{
removeRubberBand();
return;
}
if ( composition() )
{
QgsComposerMap* composerMap = new QgsComposerMap( composition(), mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
composition()->addComposerMap( composerMap );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( composerMap, tr( "Map added" ) );
}
break;
case AddHtml:
if ( composition() )
{
QgsComposerHtml* composerHtml = new QgsComposerHtml( composition(), true );
QgsAddRemoveMultiFrameCommand* command = new QgsAddRemoveMultiFrameCommand( QgsAddRemoveMultiFrameCommand::Added,
composerHtml, composition(), tr( "Html item added" ) );
composition()->undoStack()->push( command );
QgsComposerFrame* frame = new QgsComposerFrame( composition(), composerHtml, mRubberBandItem->transform().dx(),
mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(),
mRubberBandItem->rect().height() );
composition()->beginMultiFrameCommand( composerHtml, tr( "Html frame added" ) );
composerHtml->addFrame( frame );
composition()->endMultiFrameCommand();
removeRubberBand();
emit actionFinished();
}
default:
break;
}
}
void QgsComposerView::wheelZoom( QWheelEvent * event )
{
//get mouse wheel zoom behaviour settings
QSettings mySettings;
int wheelAction = mySettings.value( "/qgis/wheel_action", 2 ).toInt();
double zoomFactor = mySettings.value( "/qgis/zoom_factor", 2 ).toDouble();
if (( QgsMapCanvas::WheelAction )wheelAction == QgsMapCanvas::WheelNothing )
{
return;
}
if ( event->modifiers() & Qt::ControlModifier )
{
//holding ctrl while wheel zooming results in a finer zoom
zoomFactor = 1.0 + ( zoomFactor - 1.0 ) / 10.0;
}
//caculate zoom scale factor
bool zoomIn = event->delta() > 0;
double scaleFactor = ( zoomIn ? 1 / zoomFactor : zoomFactor );
//get current visible part of scene
QRect viewportRect( 0, 0, viewport()->width(), viewport()->height() );
QgsRectangle visibleRect = QgsRectangle( mapToScene( viewportRect ).boundingRect() );
//transform the mouse pos to scene coordinates
QPointF scenePoint = mapToScene( event->pos() );
//adjust view center according to wheel action setting
switch (( QgsMapCanvas::WheelAction )wheelAction )
{
case QgsMapCanvas::WheelZoomAndRecenter:
{
centerOn( scenePoint.x(), scenePoint.y() );
break;
}
case QgsMapCanvas::WheelZoomToMouseCursor:
{
QgsPoint oldCenter( visibleRect.center() );
QgsPoint newCenter( scenePoint.x() + (( oldCenter.x() - scenePoint.x() ) * scaleFactor ),
scenePoint.y() + (( oldCenter.y() - scenePoint.y() ) * scaleFactor ) );
centerOn( newCenter.x(), newCenter.y() );
break;
}
default:
break;
}
//zoom composition
if ( zoomIn )
{
scale( zoomFactor, zoomFactor );
}
else
{
scale( 1 / zoomFactor, 1 / zoomFactor );
}
//update composition for new zoom
emit zoomLevelChanged();
updateRulers();
update();
//redraw cached map items
QList<QGraphicsItem *> itemList = composition()->items();
QList<QGraphicsItem *>::iterator itemIt = itemList.begin();
for ( ; itemIt != itemList.end(); ++itemIt )
{
QgsComposerMap* mypItem = dynamic_cast<QgsComposerMap *>( *itemIt );
if (( mypItem ) && ( mypItem->previewMode() == QgsComposerMap::Render ) )
{
mypItem->updateCachedImage();
}
}
}
void QgsComposerView::mouseReleaseEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
if ( e->button() != Qt::LeftButton &&
( composition()->selectionHandles()->isDragging() || composition()->selectionHandles()->isResizing() ) )
{
//ignore clicks while dragging/resizing items
return;
}
QPoint mousePressStopPoint = e->pos();
int diffX = mousePressStopPoint.x() - mMousePressStartPos.x();
int diffY = mousePressStopPoint.y() - mMousePressStartPos.y();
//was this just a click? or a click and drag?
bool clickOnly = false;
if ( qAbs( diffX ) < 2 && qAbs( diffY ) < 2 )
{
clickOnly = true;
}
QPointF scenePoint = mapToScene( e->pos() );
if ( mMousePanning || mToolPanning )
{
mMousePanning = false;
mToolPanning = false;
if ( clickOnly && e->button() == Qt::MidButton )
{
//middle mouse button click = recenter on point
//get current visible part of scene
QRect viewportRect( 0, 0, viewport()->width(), viewport()->height() );
QgsRectangle visibleRect = QgsRectangle( mapToScene( viewportRect ).boundingRect() );
visibleRect.scale( 1, scenePoint.x(), scenePoint.y() );
QRectF boundsRect = visibleRect.toRectF();
//zoom view to fit desired bounds
fitInView( boundsRect, Qt::KeepAspectRatio );
}
//set new cursor
if ( mCurrentTool != Pan )
{
if ( composition() )
{
//allow composer items to change cursor
composition()->setPreventCursorChange( false );
}
}
viewport()->setCursor( defaultCursorForTool( mCurrentTool ) );
}
//for every other tool, ignore clicks of non-left button
if ( e->button() != Qt::LeftButton )
{
return;
}
if ( mMarqueeSelect )
{
endMarqueeSelect( e );
return;
}
switch ( mCurrentTool )
{
case Select:
{
QGraphicsView::mouseReleaseEvent( e );
break;
}
case Zoom:
{
if ( mMarqueeZoom )
{
endMarqueeZoom( e );
}
break;
}
case MoveItemContent:
{
if ( mMoveContentItem )
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( 0, 0 );
}
double moveX = scenePoint.x() - mMoveContentStartPos.x();
double moveY = scenePoint.y() - mMoveContentStartPos.y();
composition()->beginCommand( mMoveContentItem, tr( "Move item content" ) );
mMoveContentItem->moveContent( -moveX, -moveY );
composition()->endCommand();
mMoveContentItem = 0;
mMovingItemContent = false;
}
break;
}
case AddArrow:
if ( !composition() || !mRubberBandLineItem )
{
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
return;
}
else
{
QgsComposerArrow* composerArrow = new QgsComposerArrow( mRubberBandLineItem->line().p1(), mRubberBandLineItem->line().p2(), composition() );
composition()->addComposerArrow( composerArrow );
composition()->clearSelection();
composerArrow->setSelected( true );
emit selectedItemChanged( composerArrow );
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerArrow, tr( "Arrow added" ) );
}
break;
case AddRectangle:
case AddTriangle:
case AddEllipse:
addShape( mCurrentTool );
break;
case AddMap:
if ( !composition() || !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
removeRubberBand();
return;
}
else
{
QgsComposerMap* composerMap = new QgsComposerMap( composition(), mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
composition()->addComposerMap( composerMap );
composition()->clearSelection();
composerMap->setSelected( true );
emit selectedItemChanged( composerMap );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( composerMap, tr( "Map added" ) );
}
break;
case AddPicture:
if ( !composition() || !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
removeRubberBand();
return;
}
else
{
QgsComposerPicture* newPicture = new QgsComposerPicture( composition() );
newPicture->setSceneRect( QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() ) );
composition()->addComposerPicture( newPicture );
composition()->clearSelection();
newPicture->setSelected( true );
emit selectedItemChanged( newPicture );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( newPicture, tr( "Picture added" ) );
}
break;
case AddLabel:
if ( !composition() || !mRubberBandItem )
{
removeRubberBand();
return;
}
else
{
QgsComposerLabel* newLabelItem = new QgsComposerLabel( composition() );
newLabelItem->setText( tr( "QGIS" ) );
newLabelItem->adjustSizeToText();
//make sure label size is sufficient to fit text
double labelWidth = qMax( mRubberBandItem->rect().width(), newLabelItem->rect().width() );
double labelHeight = qMax( mRubberBandItem->rect().height(), newLabelItem->rect().height() );
newLabelItem->setSceneRect( QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), labelWidth, labelHeight ) );
composition()->addComposerLabel( newLabelItem );
composition()->clearSelection();
newLabelItem->setSelected( true );
emit selectedItemChanged( newLabelItem );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( newLabelItem, tr( "Label added" ) );
}
break;
case AddLegend:
if ( !composition() || !mRubberBandItem )
{
removeRubberBand();
return;
}
else
{
QgsComposerLegend* newLegend = new QgsComposerLegend( composition() );
newLegend->setSceneRect( QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() ) );
composition()->addComposerLegend( newLegend );
newLegend->updateLegend();
composition()->clearSelection();
newLegend->setSelected( true );
emit selectedItemChanged( newLegend );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( newLegend, tr( "Legend added" ) );
}
break;
case AddTable:
if ( !composition() || !mRubberBandItem )
{
removeRubberBand();
return;
}
else
{
QgsComposerAttributeTable* newTable = new QgsComposerAttributeTable( composition() );
newTable->setSceneRect( QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), qMax( mRubberBandItem->rect().height(), 15.0 ) ) );
QList<const QgsComposerMap*> mapItemList = composition()->composerMapItems();
if ( mapItemList.size() > 0 )
{
newTable->setComposerMap( mapItemList.at( 0 ) );
}
composition()->addComposerTable( newTable );
composition()->clearSelection();
newTable->setSelected( true );
emit selectedItemChanged( newTable );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( newTable, tr( "Table added" ) );
}
break;
case AddHtml:
if ( !composition() || !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
removeRubberBand();
return;
}
else
{
QgsComposerHtml* composerHtml = new QgsComposerHtml( composition(), true );
QgsAddRemoveMultiFrameCommand* command = new QgsAddRemoveMultiFrameCommand( QgsAddRemoveMultiFrameCommand::Added,
composerHtml, composition(), tr( "Html item added" ) );
composition()->undoStack()->push( command );
QgsComposerFrame* frame = new QgsComposerFrame( composition(), composerHtml, mRubberBandItem->transform().dx(),
mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(),
mRubberBandItem->rect().height() );
composition()->beginMultiFrameCommand( composerHtml, tr( "Html frame added" ) );
composerHtml->addFrame( frame );
composition()->endMultiFrameCommand();
composition()->clearSelection();
frame->setSelected( true );
emit selectedItemChanged( frame );
removeRubberBand();
emit actionFinished();
}
default:
break;
}
}
void QgsComposerView::mouseMoveEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
mMouseCurrentXY = e->pos();
//update cursor position in composer status bar
emit cursorPosChanged( mapToScene( e->pos() ) );
updateRulers();
if ( mHorizontalRuler )
{
mHorizontalRuler->updateMarker( e->posF() );
}
if ( mVerticalRuler )
{
mVerticalRuler->updateMarker( e->posF() );
}
if ( mPanning )
{
//panning, so scroll view
horizontalScrollBar()->setValue( horizontalScrollBar()->value() - ( e->x() - mMouseLastXY.x() ) );
verticalScrollBar()->setValue( verticalScrollBar()->value() - ( e->y() - mMouseLastXY.y() ) );
mMouseLastXY = e->pos();
return;
}
else if ( e->buttons() == Qt::NoButton )
{
if ( mCurrentTool == Select )
{
QGraphicsView::mouseMoveEvent( e );
}
}
else
{
QPointF scenePoint = mapToScene( e->pos() );
if ( mMarqueeSelect || mMarqueeZoom )
{
updateRubberBand( scenePoint );
return;
}
switch ( mCurrentTool )
{
case Select:
QGraphicsView::mouseMoveEvent( e );
break;
case AddArrow:
{
if ( mRubberBandLineItem )
{
mRubberBandLineItem->setLine( mRubberBandStartPos.x(), mRubberBandStartPos.y(), scenePoint.x(), scenePoint.y() );
}
break;
}
case AddMap:
case AddRectangle:
case AddTriangle:
case AddEllipse:
case AddHtml:
//adjust rubber band item
{
updateRubberBand( scenePoint );
break;
}
case MoveItemContent:
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( scenePoint.x() - mMoveContentStartPos.x(), scenePoint.y() - mMoveContentStartPos.y() );
composerMap->update();
}
break;
}
default:
break;
}
}
}
void QgsComposerView::wheelZoom( QWheelEvent * event )
{
//get mouse wheel zoom behaviour settings
QSettings mySettings;
int wheelAction = mySettings.value( "/qgis/wheel_action", 2 ).toInt();
double zoomFactor = mySettings.value( "/qgis/zoom_factor", 2 ).toDouble();
//caculate zoom scale factor
bool zoomIn = event->delta() > 0;
double scaleFactor = ( zoomIn ? 1 / zoomFactor : zoomFactor );
//get current visible part of scene
QRect viewportRect( 0, 0, viewport()->width(), viewport()->height() );
QgsRectangle visibleRect = QgsRectangle( mapToScene( viewportRect ).boundingRect() );
//transform the mouse pos to scene coordinates
QPointF scenePoint = mapToScene( event->pos() );
//zoom composition, respecting wheel action setting
switch (( QgsMapCanvas::WheelAction )wheelAction )
{
case QgsMapCanvas::WheelZoom:
// zoom without changing extent
if ( zoomIn )
{
scale( zoomFactor, zoomFactor );
}
else
{
scale( 1 / zoomFactor, 1 / zoomFactor );
}
break;
case QgsMapCanvas::WheelZoomAndRecenter:
{
visibleRect.scale( scaleFactor, scenePoint.x(), scenePoint.y() );
fitInView( visibleRect.toRectF(), Qt::KeepAspectRatio );
break;
}
case QgsMapCanvas::WheelZoomToMouseCursor:
{
QgsPoint oldCenter( visibleRect.center() );
QgsPoint newCenter( scenePoint.x() + (( oldCenter.x() - scenePoint.x() ) * scaleFactor ),
scenePoint.y() + (( oldCenter.y() - scenePoint.y() ) * scaleFactor ) );
visibleRect.scale( scaleFactor, newCenter.x(), newCenter.y() );
fitInView( visibleRect.toRectF(), Qt::KeepAspectRatio );
break;
}
case QgsMapCanvas::WheelNothing:
return;
}
//update composition for new zoom
updateRulers();
update();
//redraw cached map items
QList<QGraphicsItem *> itemList = composition()->items();
QList<QGraphicsItem *>::iterator itemIt = itemList.begin();
for ( ; itemIt != itemList.end(); ++itemIt )
{
QgsComposerMap* mypItem = dynamic_cast<QgsComposerMap *>( *itemIt );
if (( mypItem ) && ( mypItem->previewMode() == QgsComposerMap::Render ) )
{
mypItem->updateCachedImage();
}
}
}
