void QgsComposerMouseHandles::selectionChanged()
{
//listen out for selected items' size and rotation changed signals
QList<QGraphicsItem *> itemList = composition()->items();
QList<QGraphicsItem *>::iterator itemIt = itemList.begin();
for ( ; itemIt != itemList.end(); ++itemIt )
{
QgsComposerItem* item = dynamic_cast<QgsComposerItem *>( *itemIt );
if ( item )
{
if ( item->selected() )
{
QObject::connect( item, SIGNAL( sizeChanged() ), this, SLOT( selectedItemSizeChanged() ) );
QObject::connect( item, SIGNAL( itemRotationChanged( double ) ), this, SLOT( selectedItemRotationChanged() ) );
QObject::connect( item, SIGNAL( frameChanged() ), this, SLOT( selectedItemSizeChanged() ) );
QObject::connect( item, SIGNAL( lockChanged() ), this, SLOT( selectedItemSizeChanged() ) );
}
else
{
QObject::disconnect( item, SIGNAL( sizeChanged() ), this, nullptr );
QObject::disconnect( item, SIGNAL( itemRotationChanged( double ) ), this, nullptr );
QObject::disconnect( item, SIGNAL( frameChanged() ), this, nullptr );
QObject::disconnect( item, SIGNAL( lockChanged() ), this, nullptr );
}
}
void QgsComposerView::selectAll()
{
if ( !composition() )
{
return;
}
//select all items in composer
QList<QGraphicsItem *> itemList = composition()->items();
QList<QGraphicsItem *>::iterator itemIt = itemList.begin();
for ( ; itemIt != itemList.end(); ++itemIt )
{
QgsComposerItem* mypItem = dynamic_cast<QgsComposerItem *>( *itemIt );
QgsPaperItem* paperItem = dynamic_cast<QgsPaperItem*>( *itemIt );
if ( mypItem && !paperItem )
{
if ( !mypItem->positionLock() )
{
mypItem->setSelected( true );
}
else
{
//deselect all locked items
mypItem->setSelected( false );
}
emit selectedItemChanged( mypItem );
}
}
}
void QgsComposerView::selectInvert()
{
if ( !composition() )
{
return;
}
//check all items in composer
QList<QGraphicsItem *> itemList = composition()->items();
QList<QGraphicsItem *>::iterator itemIt = itemList.begin();
for ( ; itemIt != itemList.end(); ++itemIt )
{
QgsComposerItem* mypItem = dynamic_cast<QgsComposerItem *>( *itemIt );
QgsPaperItem* paperItem = dynamic_cast<QgsPaperItem*>( *itemIt );
if ( mypItem && !paperItem )
{
//flip selected state for items (and deselect any locked items)
if ( mypItem->selected() || mypItem->positionLock() )
{
mypItem->setSelected( false );
}
else
{
mypItem->setSelected( true );
emit selectedItemChanged( mypItem );
}
}
}
}
bool QgsComposerModel::setData( const QModelIndex &index, const QVariant &value, int role = Qt::EditRole )
{
Q_UNUSED( role );
if ( !index.isValid() )
return false;
QgsComposerItem *item = itemFromIndex( index );
if ( !item )
{
return false;
}
switch ( index.column() )
{
case Visibility:
//first column is item visibility
item->setVisibility( value.toBool() );
return true;
case LockStatus:
//second column is item lock state
item->setPositionLock( value.toBool() );
return true;
case ItemId:
//last column is item id
item->setId( value.toString() );
return true;
}
return false;
}
void QgsComposerItemCommand::restoreState( QDomDocument& stateDoc ) const
{
QgsComposerItem* destItem = item();
if ( !destItem )
{
return;
}
destItem->readXML( stateDoc.documentElement().firstChild().toElement(), stateDoc );
destItem->repaint();
QgsProject::instance()->dirty( true );
}
bool QgsComposerProxyModel::filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const
{
//get QgsComposerItem corresponding to row
QModelIndex index = sourceModel()->index( source_row, 0, source_parent );
QgsComposerItem *item = itemFromSourceIndex( index );
if ( !item )
return false;
// specific exceptions
if ( mExceptedList.contains( item ) )
return false;
// filter by type
if ( mItemTypeFilter != QgsComposerItem::ComposerItem && item->type() != mItemTypeFilter )
return false;
return true;
}
void QgsComposition::updateZValues()
{
int counter = 1;
QLinkedList<QgsComposerItem*>::iterator it = mItemZList.begin();
QgsComposerItem* currentItem = 0;
QUndoCommand* parentCommand = new QUndoCommand( tr( "Item z-order changed" ) );
for ( ; it != mItemZList.end(); ++it )
{
currentItem = *it;
if ( currentItem )
{
QgsComposerItemCommand* subcommand = new QgsComposerItemCommand( *it, "", parentCommand );
subcommand->savePreviousState();
currentItem->setZValue( counter );
subcommand->saveAfterState();
}
++counter;
}
mUndoStack.push( parentCommand );
}
void QgsComposerView::wheelEvent( QWheelEvent* event )
{
if ( currentTool() == MoveItemContent )
{
//move item content tool, so scroll events get handled by the selected composer item
QPointF scenePoint = mapToScene( event->pos() );
//select topmost item at position of event
QgsComposerItem* theItem = composition()->composerItemAt( scenePoint );
if ( theItem )
{
if ( theItem->isSelected() )
{
QPointF itemPoint = theItem->mapFromScene( scenePoint );
theItem->beginCommand( tr( "Zoom item content" ) );
theItem->zoomContent( event->delta(), itemPoint.x(), itemPoint.y() );
theItem->endCommand();
}
}
}
else
{
//not using move item content tool, so zoom whole composition
wheelZoom( event );
}
}
void QgsComposerModel::rebuildZList()
{
QList<QgsComposerItem *> sortedList;
//rebuild the item z order list based on the current zValues of items in the scene
//get items in descending zValue order
QList<QGraphicsItem *> itemList = mComposition->items( Qt::DescendingOrder );
QList<QGraphicsItem *>::iterator itemIt = itemList.begin();
for ( ; itemIt != itemList.end(); ++itemIt )
{
QgsComposerItem *composerItem = dynamic_cast<QgsComposerItem *>( *itemIt );
if ( composerItem )
{
if ( composerItem->type() != QgsComposerItem::ComposerPaper )
{
sortedList.append( composerItem );
}
}
}
mItemZList = sortedList;
rebuildSceneItemList();
}
QVariant QgsComposerModel::data( const QModelIndex &index, int role ) const
{
if ( !index.isValid() )
return QVariant();
QgsComposerItem *item = itemFromIndex( index );
if ( !item )
{
return QVariant();
}
switch ( role )
{
case Qt::DisplayRole:
if ( index.column() == ItemId )
{
return item->displayName();
}
else
{
return QVariant();
}
case Qt::EditRole:
if ( index.column() == ItemId )
{
return item->id();
}
else
{
return QVariant();
}
case Qt::UserRole:
//store item uuid in userrole so we can later get the QModelIndex for a specific item
return item->uuid();
case Qt::TextAlignmentRole:
return Qt::AlignLeft & Qt::AlignVCenter;
case Qt::CheckStateRole:
switch ( index.column() )
{
case Visibility:
//column 0 is visibility of item
return item->isVisible() ? Qt::Checked : Qt::Unchecked;
case LockStatus:
//column 1 is locked state of item
return item->positionLock() ? Qt::Checked : Qt::Unchecked;
default:
return QVariant();
}
default:
return QVariant();
}
}
QMimeData *QgsComposerModel::mimeData( const QModelIndexList &indexes ) const
{
QMimeData *mimeData = new QMimeData();
QByteArray encodedData;
QDataStream stream( &encodedData, QIODevice::WriteOnly );
Q_FOREACH ( const QModelIndex &index, indexes )
{
if ( index.isValid() && index.column() == ItemId )
{
QgsComposerItem *item = itemFromIndex( index );
if ( !item )
{
continue;
}
QString text = item->uuid();
stream << text;
}
}
mimeData->setData( QStringLiteral( "application/x-vnd.qgis.qgis.composeritemid" ), encodedData );
return mimeData;
}
void QgsComposerView::wheelEvent( QWheelEvent* event )
{
QPointF scenePoint = mapToScene( event->pos() );
//select topmost item at position of event
QgsComposerItem* theItem = composition()->composerItemAt( scenePoint );
if ( theItem )
{
if ( theItem->isSelected() )
{
QPointF itemPoint = theItem->mapFromScene( scenePoint );
theItem->beginCommand( tr( "Zoom item content" ) );
theItem->zoomContent( event->delta(), itemPoint.x(), itemPoint.y() );
theItem->endCommand();
}
}
}
int QgsComposition::boundingRectOfSelectedItems( QRectF& bRect )
{
QList<QgsComposerItem*> selectedItems = selectedComposerItems();
if ( selectedItems.size() < 1 )
{
return 1;
}
//set the box to the first item
QgsComposerItem* currentItem = selectedItems.at( 0 );
double minX = currentItem->transform().dx();
double minY = currentItem->transform().dy();
double maxX = minX + currentItem->rect().width();
double maxY = minY + currentItem->rect().height();
double currentMinX, currentMinY, currentMaxX, currentMaxY;
for ( int i = 1; i < selectedItems.size(); ++i )
{
currentItem = selectedItems.at( i );
currentMinX = currentItem->transform().dx();
currentMinY = currentItem->transform().dy();
currentMaxX = currentMinX + currentItem->rect().width();
currentMaxY = currentMinY + currentItem->rect().height();
if ( currentMinX < minX )
minX = currentMinX;
if ( currentMaxX > maxX )
maxX = currentMaxX;
if ( currentMinY < minY )
minY = currentMinY;
if ( currentMaxY > maxY )
maxY = currentMaxY;
}
bRect.setTopLeft( QPointF( minX, minY ) );
bRect.setBottomRight( QPointF( maxX, maxY ) );
return 0;
}
void QgsComposerView::wheelEvent( QWheelEvent* event )
{
if ( mRubberBandItem || mRubberBandLineItem )
{
//ignore wheel events while marquee operations are active (eg, creating new item)
return;
}
if ( composition()->selectionHandles()->isDragging() || composition()->selectionHandles()->isResizing() )
{
//ignore wheel events while dragging/resizing items
return;
}
if ( currentTool() == MoveItemContent )
{
//move item content tool, so scroll events get handled by the selected composer item
QPointF scenePoint = mapToScene( event->pos() );
//select topmost item at position of event
QgsComposerItem* theItem = composition()->composerItemAt( scenePoint, true );
if ( theItem )
{
if ( theItem->isSelected() )
{
QPointF itemPoint = theItem->mapFromScene( scenePoint );
theItem->beginCommand( tr( "Zoom item content" ) );
theItem->zoomContent( event->delta(), itemPoint.x(), itemPoint.y() );
theItem->endCommand();
}
}
}
else
{
//not using move item content tool, so zoom whole composition
wheelZoom( event );
}
}
void QgsComposerView::mousePressEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
mMousePressStartPos = e->pos();
//lock/unlock position of item with right click
if ( e->button() == Qt::RightButton )
{
QgsComposerItem* selectedItem = composition()->composerItemAt( scenePoint );
if ( selectedItem )
{
bool lock = selectedItem->positionLock() ? false : true;
selectedItem->setPositionLock( lock );
selectedItem->update();
}
return;
}
else if ( e->button() == Qt::MidButton )
{
//pan composer with middle button
mPanning = true;
mMouseLastXY = e->pos();
if ( composition() )
{
//lock cursor to closed hand cursor
composition()->setPreventCursorChange( true );
}
viewport()->setCursor( Qt::ClosedHandCursor );
return;
}
switch ( mCurrentTool )
{
//select/deselect items and pass mouse event further
case Select:
{
//check if we are clicking on a selection handle
if ( composition()->selectionHandles()->isVisible() )
{
//selection handles are being shown, get mouse action for current cursor position
QgsComposerMouseHandles::MouseAction mouseAction = composition()->selectionHandles()->mouseActionForScenePos( scenePoint );
if ( mouseAction != QgsComposerMouseHandles::MoveItem && mouseAction != QgsComposerMouseHandles::NoAction && mouseAction != QgsComposerMouseHandles::SelectItem )
{
//mouse is over a resize handle, so propagate event onward
QGraphicsView::mousePressEvent( e );
return;
}
}
QgsComposerItem* selectedItem = 0;
QgsComposerItem* previousSelectedItem = 0;
if ( e->modifiers() & Qt::ControlModifier )
{
//CTRL modifier, so we are trying to select the next item below the current one
//first, find currently selected item
QList<QgsComposerItem*> selectedItems = composition()->selectedComposerItems();
if ( selectedItems.size() > 0 )
{
previousSelectedItem = selectedItems.at( 0 );
}
}
if ( previousSelectedItem )
{
//select highest item just below previously selected item at position of event
selectedItem = composition()->composerItemAt( scenePoint, previousSelectedItem );
//if we didn't find a lower item we'll use the top-most as fall-back
//this duplicates mapinfo/illustrator/etc behaviour where ctrl-clicks are "cyclic"
if ( !selectedItem )
{
selectedItem = composition()->composerItemAt( scenePoint );
}
}
else
{
//select topmost item at position of event
selectedItem = composition()->composerItemAt( scenePoint );
}
if ( !selectedItem )
{
//not clicking over an item, so start marquee selection
startMarqueeSelect( scenePoint );
break;
}
if (( !selectedItem->selected() ) && //keep selection if an already selected item pressed
!( e->modifiers() & Qt::ShiftModifier ) ) //keep selection if shift key pressed
{
composition()->clearSelection();
}
if (( e->modifiers() & Qt::ShiftModifier ) && ( selectedItem->selected() ) )
{
//SHIFT-clicking a selected item deselects it
selectedItem->setSelected( false );
//Check if we have any remaining selected items, and if so, update the item panel
QList<QgsComposerItem*> selectedItems = composition()->selectedComposerItems();
if ( selectedItems.size() > 0 )
{
emit selectedItemChanged( selectedItems.at( 0 ) );
}
}
else
{
selectedItem->setSelected( true );
QGraphicsView::mousePressEvent( e );
emit selectedItemChanged( selectedItem );
}
break;
}
case Zoom:
{
if ( !( e->modifiers() & Qt::ShiftModifier ) )
{
//zoom in action
startMarqueeZoom( scenePoint );
}
else
{
//zoom out action, so zoom out and recenter on clicked point
double scaleFactor = 2;
//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( e->pos() );
visibleRect.scale( scaleFactor, scenePoint.x(), scenePoint.y() );
QRectF boundsRect = visibleRect.toRectF();
//zoom view to fit desired bounds
fitInView( boundsRect, Qt::KeepAspectRatio );
}
break;
}
case Pan:
{
//pan action
mPanning = true;
mMouseLastXY = e->pos();
viewport()->setCursor( Qt::ClosedHandCursor );
break;
}
case MoveItemContent:
{
//get a list of items at clicked position
QList<QGraphicsItem *> itemsAtCursorPos = items( e->pos() );
if ( itemsAtCursorPos.size() == 0 )
{
//no items at clicked position
return;
}
//find highest QgsComposerItem at clicked position
//(other graphics items may be higher, eg selection handles)
QList<QGraphicsItem*>::iterator itemIter = itemsAtCursorPos.begin();
for ( ; itemIter != itemsAtCursorPos.end(); ++itemIter )
{
QgsComposerItem* item = dynamic_cast<QgsComposerItem *>(( *itemIter ) );
if ( item )
{
//we've found the highest QgsComposerItem
mMoveContentStartPos = scenePoint;
mMoveContentItem = item;
break;
}
}
//no QgsComposerItem at clicked position
return;
}
case AddArrow:
{
mRubberBandStartPos = QPointF( snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandLineItem = new QGraphicsLineItem( snappedScenePoint.x(), snappedScenePoint.y(), snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandLineItem->setZValue( 1000 );
scene()->addItem( mRubberBandLineItem );
scene()->update();
break;
}
//create rubber band for map and ellipse items
case AddMap:
case AddRectangle:
case AddTriangle:
case AddEllipse:
case AddHtml:
{
QTransform t;
mRubberBandItem = new QGraphicsRectItem( 0, 0, 0, 0 );
mRubberBandStartPos = QPointF( snappedScenePoint.x(), snappedScenePoint.y() );
t.translate( snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandItem->setTransform( t );
mRubberBandItem->setZValue( 1000 );
scene()->addItem( mRubberBandItem );
scene()->update();
}
break;
case AddLabel:
if ( composition() )
{
QgsComposerLabel* newLabelItem = new QgsComposerLabel( composition() );
newLabelItem->setText( tr( "QGIS" ) );
newLabelItem->adjustSizeToText();
newLabelItem->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), newLabelItem->rect().width(), newLabelItem->rect().height() ) );
composition()->addComposerLabel( newLabelItem );
composition()->clearSelection();
newLabelItem->setSelected( true );
emit selectedItemChanged( newLabelItem );
emit actionFinished();
composition()->pushAddRemoveCommand( newLabelItem, tr( "Label added" ) );
}
break;
case AddScalebar:
if ( composition() )
{
QgsComposerScaleBar* newScaleBar = new QgsComposerScaleBar( composition() );
newScaleBar->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 20, 20 ) );
composition()->addComposerScaleBar( newScaleBar );
QList<const QgsComposerMap*> mapItemList = composition()->composerMapItems();
if ( mapItemList.size() > 0 )
{
newScaleBar->setComposerMap( mapItemList.at( 0 ) );
}
newScaleBar->applyDefaultSize(); //4 segments, 1/5 of composer map width
composition()->clearSelection();
newScaleBar->setSelected( true );
emit selectedItemChanged( newScaleBar );
emit actionFinished();
composition()->pushAddRemoveCommand( newScaleBar, tr( "Scale bar added" ) );
}
break;
case AddLegend:
{
if ( composition() )
{
QgsComposerLegend* newLegend = new QgsComposerLegend( composition() );
newLegend->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), newLegend->rect().width(), newLegend->rect().height() ) );
composition()->addComposerLegend( newLegend );
newLegend->updateLegend();
composition()->clearSelection();
newLegend->setSelected( true );
emit selectedItemChanged( newLegend );
emit actionFinished();
composition()->pushAddRemoveCommand( newLegend, tr( "Legend added" ) );
}
break;
}
case AddPicture:
if ( composition() )
{
QgsComposerPicture* newPicture = new QgsComposerPicture( composition() );
newPicture->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 30, 30 ) );
composition()->addComposerPicture( newPicture );
composition()->clearSelection();
newPicture->setSelected( true );
emit selectedItemChanged( newPicture );
emit actionFinished();
composition()->pushAddRemoveCommand( newPicture, tr( "Picture added" ) );
}
break;
case AddTable:
if ( composition() )
{
QgsComposerAttributeTable* newTable = new QgsComposerAttributeTable( composition() );
newTable->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 50, 50 ) );
composition()->addComposerTable( newTable );
composition()->clearSelection();
newTable->setSelected( true );
emit selectedItemChanged( newTable );
emit actionFinished();
composition()->pushAddRemoveCommand( newTable, tr( "Table added" ) );
}
break;
default:
break;
}
}
void QgsComposerItem::changeItemRectangle( const QPointF& currentPosition,
const QPointF& mouseMoveStartPos,
const QGraphicsRectItem* originalItem,
double dx, double dy,
QGraphicsRectItem* changeItem )
{
Q_UNUSED( dx );
Q_UNUSED( dy );
if ( !changeItem || !originalItem || !mComposition )
{
return;
}
//test if change item is a composer item. If so, prefer call to setSceneRect() instead of setTransform() and setRect()
QgsComposerItem* changeComposerItem = dynamic_cast<QgsComposerItem *>( changeItem );
double mx = 0.0, my = 0.0, rx = 0.0, ry = 0.0;
QPointF snappedPosition = mComposition->snapPointToGrid( currentPosition );
//double diffX = snappedPosition.x() - mouseMoveStartPos.x();
//double diffY = snappedPosition.y() - mouseMoveStartPos.y();
double diffX = 0;
double diffY = 0;
switch ( mCurrentMouseMoveAction )
{
//vertical resize
case QgsComposerItem::ResizeUp:
diffY = snappedPosition.y() - originalItem->transform().dy();
mx = 0;
my = diffY;
rx = 0;
ry = -diffY;
break;
case QgsComposerItem::ResizeDown:
diffY = snappedPosition.y() - ( originalItem->transform().dy() + originalItem->rect().height() );
mx = 0;
my = 0;
rx = 0;
ry = diffY;
break;
//horizontal resize
case QgsComposerItem::ResizeLeft:
diffX = snappedPosition.x() - originalItem->transform().dx();
mx = diffX, my = 0;
rx = -diffX;
ry = 0;
break;
case QgsComposerItem::ResizeRight:
diffX = snappedPosition.x() - ( originalItem->transform().dx() + originalItem->rect().width() );
mx = 0;
my = 0;
rx = diffX, ry = 0;
break;
//diagonal resize
case QgsComposerItem::ResizeLeftUp:
diffX = snappedPosition.x() - originalItem->transform().dx();
diffY = snappedPosition.y() - originalItem->transform().dy();
mx = diffX, my = diffY;
rx = -diffX;
ry = -diffY;
break;
case QgsComposerItem::ResizeRightDown:
diffX = snappedPosition.x() - ( originalItem->transform().dx() + originalItem->rect().width() );
diffY = snappedPosition.y() - ( originalItem->transform().dy() + originalItem->rect().height() );
mx = 0;
my = 0;
rx = diffX, ry = diffY;
break;
case QgsComposerItem::ResizeRightUp:
diffX = snappedPosition.x() - ( originalItem->transform().dx() + originalItem->rect().width() );
diffY = snappedPosition.y() - originalItem->transform().dy();
mx = 0;
my = diffY, rx = diffX, ry = -diffY;
break;
case QgsComposerItem::ResizeLeftDown:
diffX = snappedPosition.x() - originalItem->transform().dx();
diffY = snappedPosition.y() - ( originalItem->transform().dy() + originalItem->rect().height() );
mx = diffX, my = 0;
rx = -diffX;
ry = diffY;
break;
case QgsComposerItem::MoveItem:
{
//calculate total move difference
double moveX = currentPosition.x() - mouseMoveStartPos.x();
double moveY = currentPosition.y() - mouseMoveStartPos.y();
QPointF upperLeftPoint( originalItem->transform().dx() + moveX, originalItem->transform().dy() + moveY );
QPointF snappedLeftPoint = mComposition->snapPointToGrid( upperLeftPoint );
double moveRectX = snappedLeftPoint.x() - originalItem->transform().dx();
double moveRectY = snappedLeftPoint.y() - originalItem->transform().dy();
if ( !changeComposerItem )
{
QTransform moveTransform;
moveTransform.translate( originalItem->transform().dx() + moveRectX, originalItem->transform().dy() + moveRectY );
changeItem->setTransform( moveTransform );
}
else //for composer items, we prefer setSceneRect as subclasses can implement custom behaviour (e.g. item group)
{
changeComposerItem->setSceneRect( QRectF( originalItem->transform().dx() + moveRectX,
originalItem->transform().dy() + moveRectY,
originalItem->rect().width(), originalItem->rect().height() ) );
changeComposerItem->updateItem();
}
}
return;
case QgsComposerItem::NoAction:
break;
}
if ( !changeComposerItem )
{
QTransform itemTransform;
itemTransform.translate( originalItem->transform().dx() + mx, originalItem->transform().dy() + my );
changeItem->setTransform( itemTransform );
QRectF itemRect( 0, 0, originalItem->rect().width() + rx, originalItem->rect().height() + ry );
changeItem->setRect( itemRect );
}
else //for composer items, we prefer setSceneRect as subclasses can implement custom behaviour (e.g. item group)
{
changeComposerItem->setSceneRect( QRectF( originalItem->transform().dx() + mx, originalItem->transform().dy() + my,
originalItem->rect().width() + rx, originalItem->rect().height() + ry ) );
changeComposerItem->updateItem();
}
}
void QgsComposerView::mousePressEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
//lock/unlock position of item with right click
if ( e->button() == Qt::RightButton )
{
QgsComposerItem* selectedItem = composition()->composerItemAt( scenePoint );
if ( selectedItem )
{
bool lock = selectedItem->positionLock() ? false : true;
selectedItem->setPositionLock( lock );
selectedItem->update();
//make sure the new cursor is correct
QPointF itemPoint = selectedItem->mapFromScene( scenePoint );
selectedItem->updateCursor( itemPoint );
}
return;
}
switch ( mCurrentTool )
{
//select/deselect items and pass mouse event further
case Select:
{
if ( !mShiftKeyPressed ) //keep selection if shift key pressed
{
composition()->clearSelection();
}
//select topmost item at position of event
QgsComposerItem* selectedItem = composition()->composerItemAt( scenePoint );
if ( !selectedItem )
{
break;
}
selectedItem->setSelected( true );
QGraphicsView::mousePressEvent( e );
emit selectedItemChanged( selectedItem );
break;
}
case MoveItemContent:
{
//store item as member if it is selected and cursor is over item
QgsComposerItem* item = dynamic_cast<QgsComposerItem *>( itemAt( e->pos() ) );
if ( item )
{
mMoveContentStartPos = scenePoint;
}
mMoveContentItem = item;
break;
}
case AddArrow:
{
mRubberBandStartPos = QPointF( snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandLineItem = new QGraphicsLineItem( snappedScenePoint.x(), snappedScenePoint.y(), snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandLineItem->setZValue( 100 );
scene()->addItem( mRubberBandLineItem );
scene()->update();
break;
}
//create rubber band for map and ellipse items
case AddMap:
case AddShape:
{
QTransform t;
mRubberBandItem = new QGraphicsRectItem( 0, 0, 0, 0 );
mRubberBandStartPos = QPointF( snappedScenePoint.x(), snappedScenePoint.y() );
t.translate( snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandItem->setTransform( t );
mRubberBandItem->setZValue( 100 );
scene()->addItem( mRubberBandItem );
scene()->update();
}
break;
case AddLabel:
if ( composition() )
{
QgsComposerLabel* newLabelItem = new QgsComposerLabel( composition() );
newLabelItem->setText( tr( "Quantum GIS" ) );
newLabelItem->adjustSizeToText();
newLabelItem->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), newLabelItem->rect().width(), newLabelItem->rect().height() ) );
composition()->addComposerLabel( newLabelItem );
emit actionFinished();
composition()->pushAddRemoveCommand( newLabelItem, tr( "Label added" ) );
}
break;
case AddScalebar:
if ( composition() )
{
QgsComposerScaleBar* newScaleBar = new QgsComposerScaleBar( composition() );
newScaleBar->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 20, 20 ) );
composition()->addComposerScaleBar( newScaleBar );
QList<const QgsComposerMap*> mapItemList = composition()->composerMapItems();
if ( mapItemList.size() > 0 )
{
newScaleBar->setComposerMap( mapItemList.at( 0 ) );
}
newScaleBar->applyDefaultSize(); //4 segments, 1/5 of composer map width
emit actionFinished();
composition()->pushAddRemoveCommand( newScaleBar, tr( "Scale bar added" ) );
}
break;
case AddLegend:
{
if ( composition() )
{
QgsComposerLegend* newLegend = new QgsComposerLegend( composition() );
newLegend->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), newLegend->rect().width(), newLegend->rect().height() ) );
composition()->addComposerLegend( newLegend );
newLegend->updateLegend();
emit actionFinished();
composition()->pushAddRemoveCommand( newLegend, tr( "Legend added" ) );
}
break;
}
case AddPicture:
if ( composition() )
{
QgsComposerPicture* newPicture = new QgsComposerPicture( composition() );
newPicture->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 30, 30 ) );
composition()->addComposerPicture( newPicture );
emit actionFinished();
composition()->pushAddRemoveCommand( newPicture, tr( "Picture added" ) );
}
break;
case AddTable:
if ( composition() )
{
QgsComposerAttributeTable* newTable = new QgsComposerAttributeTable( composition() );
newTable->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 50, 50 ) );
composition()->addComposerTable( newTable );
emit actionFinished();
composition()->pushAddRemoveCommand( newTable, tr( "Table added" ) );
}
break;
default:
break;
}
}
QVariant QgsComposerModel::data( const QModelIndex &index, int role ) const
{
if ( !index.isValid() )
return QVariant();
QgsComposerItem *item = itemFromIndex( index );
if ( !item )
{
return QVariant();
}
switch ( role )
{
case Qt::DisplayRole:
if ( index.column() == ItemId )
{
return item->displayName();
}
else
{
return QVariant();
}
case Qt::EditRole:
if ( index.column() == ItemId )
{
return item->id();
}
else
{
return QVariant();
}
case Qt::UserRole:
//store item uuid in userrole so we can later get the QModelIndex for a specific item
return item->uuid();
case Qt::UserRole+1:
//user role stores reference in column object
return qVariantFromValue( qobject_cast<QObject *>( item ) );
case Qt::TextAlignmentRole:
return Qt::AlignLeft & Qt::AlignVCenter;
case Qt::CheckStateRole:
switch ( index.column() )
{
case Visibility:
//column 0 is visibility of item
return item->isVisible() ? Qt::Checked : Qt::Unchecked;
case LockStatus:
//column 1 is locked state of item
return item->positionLock() ? Qt::Checked : Qt::Unchecked;
default:
return QVariant();
}
case Qt::FontRole:
if ( index.column() == ItemId && item->isSelected() )
{
//draw name of selected items in bold
QFont boldFont;
boldFont.setBold( true );
return boldFont;
}
return QVariant();
default:
return QVariant();
}
}
void QgsComposerItem::changeItemRectangle( const QPointF& currentPosition,
const QPointF& mouseMoveStartPos,
const QGraphicsRectItem* originalItem,
double dx, double dy,
QGraphicsRectItem* changeItem )
{
Q_UNUSED( dx );
Q_UNUSED( dy );
if ( !changeItem || !originalItem || !mComposition )
{
return;
}
//test if change item is a composer item. If so, prefer call to setSceneRect() instead of setTransform() and setRect()
QgsComposerItem* changeComposerItem = dynamic_cast<QgsComposerItem *>( changeItem );
double mx = 0.0, my = 0.0, rx = 0.0, ry = 0.0;
QPointF snappedPosition = mComposition->snapPointToGrid( currentPosition );
//snap to grid and align to other items
if ( mComposition->alignmentSnap() && mCurrentMouseMoveAction != QgsComposerItem::MoveItem )
{
double alignX = 0;
double alignY = 0;
snappedPosition = mComposition->alignPos( snappedPosition, dynamic_cast<const QgsComposerItem*>( originalItem ), alignX, alignY );
if ( alignX != -1 )
{
QGraphicsLineItem* item = hAlignSnapItem();
item->setLine( QLineF( alignX, 0, alignX, mComposition->paperHeight() ) );
item->show();
}
else
{
deleteHAlignSnapItem();
}
if ( alignY != -1 )
{
QGraphicsLineItem* item = vAlignSnapItem();
item->setLine( QLineF( 0, alignY, mComposition->paperWidth(), alignY ) );
item->show();
}
else
{
deleteVAlignSnapItem();
}
}
double diffX = 0;
double diffY = 0;
switch ( mCurrentMouseMoveAction )
{
//vertical resize
case QgsComposerItem::ResizeUp:
diffY = snappedPosition.y() - originalItem->transform().dy();
mx = 0; my = diffY; rx = 0; ry = -diffY;
break;
case QgsComposerItem::ResizeDown:
diffY = snappedPosition.y() - ( originalItem->transform().dy() + originalItem->rect().height() );
mx = 0; my = 0; rx = 0; ry = diffY;
break;
//horizontal resize
case QgsComposerItem::ResizeLeft:
diffX = snappedPosition.x() - originalItem->transform().dx();
mx = diffX, my = 0; rx = -diffX; ry = 0;
break;
case QgsComposerItem::ResizeRight:
diffX = snappedPosition.x() - ( originalItem->transform().dx() + originalItem->rect().width() );
mx = 0; my = 0; rx = diffX, ry = 0;
break;
//diagonal resize
case QgsComposerItem::ResizeLeftUp:
diffX = snappedPosition.x() - originalItem->transform().dx();
diffY = snappedPosition.y() - originalItem->transform().dy();
mx = diffX, my = diffY; rx = -diffX; ry = -diffY;
break;
case QgsComposerItem::ResizeRightDown:
diffX = snappedPosition.x() - ( originalItem->transform().dx() + originalItem->rect().width() );
diffY = snappedPosition.y() - ( originalItem->transform().dy() + originalItem->rect().height() );
mx = 0; my = 0; rx = diffX, ry = diffY;
break;
case QgsComposerItem::ResizeRightUp:
diffX = snappedPosition.x() - ( originalItem->transform().dx() + originalItem->rect().width() );
diffY = snappedPosition.y() - originalItem->transform().dy();
mx = 0; my = diffY, rx = diffX, ry = -diffY;
break;
case QgsComposerItem::ResizeLeftDown:
diffX = snappedPosition.x() - originalItem->transform().dx();
diffY = snappedPosition.y() - ( originalItem->transform().dy() + originalItem->rect().height() );
mx = diffX, my = 0; rx = -diffX; ry = diffY;
break;
case QgsComposerItem::MoveItem:
{
//calculate total move difference
double moveX = currentPosition.x() - mouseMoveStartPos.x();
double moveY = currentPosition.y() - mouseMoveStartPos.y();
QPointF upperLeftPoint( originalItem->transform().dx() + moveX, originalItem->transform().dy() + moveY );
QPointF snappedLeftPoint = mComposition->snapPointToGrid( upperLeftPoint );
if ( snappedLeftPoint != upperLeftPoint ) //don't do align snap if grid snap has been done
{
deleteAlignItems();
}
else if ( mComposition->alignmentSnap() ) //align item
{
double alignX = 0;
double alignY = 0;
snappedLeftPoint = mComposition->alignItem( dynamic_cast<const QgsComposerItem*>( originalItem ), alignX, alignY, moveX, moveY );
if ( alignX != -1 )
{
QGraphicsLineItem* item = hAlignSnapItem();
int numPages = mComposition->numPages();
double yLineCoord = 300; //default in case there is no single page
if ( numPages > 0 )
{
yLineCoord = mComposition->paperHeight() * numPages + mComposition->spaceBetweenPages() * ( numPages - 1 );
}
item->setLine( QLineF( alignX, 0, alignX, yLineCoord ) );
item->show();
}
else
{
deleteHAlignSnapItem();
}
if ( alignY != -1 )
{
QGraphicsLineItem* item = vAlignSnapItem();
item->setLine( QLineF( 0, alignY, mComposition->paperWidth(), alignY ) );
item->show();
}
else
{
deleteVAlignSnapItem();
}
}
double moveRectX = snappedLeftPoint.x() - originalItem->transform().dx();
double moveRectY = snappedLeftPoint.y() - originalItem->transform().dy();
if ( !changeComposerItem )
{
QTransform moveTransform;
moveTransform.translate( originalItem->transform().dx() + moveRectX, originalItem->transform().dy() + moveRectY );
changeItem->setTransform( moveTransform );
}
else //for composer items, we prefer setSceneRect as subclasses can implement custom behaviour (e.g. item group)
{
changeComposerItem->setSceneRect( QRectF( originalItem->transform().dx() + moveRectX,
originalItem->transform().dy() + moveRectY,
originalItem->rect().width(), originalItem->rect().height() ) );
changeComposerItem->updateItem();
}
}
return;
case QgsComposerItem::NoAction:
break;
}
if ( !changeComposerItem )
{
QTransform itemTransform;
itemTransform.translate( originalItem->transform().dx() + mx, originalItem->transform().dy() + my );
changeItem->setTransform( itemTransform );
QRectF itemRect( 0, 0, originalItem->rect().width() + rx, originalItem->rect().height() + ry );
changeItem->setRect( itemRect );
}
else //for composer items, we prefer setSceneRect as subclasses can implement custom behaviour (e.g. item group)
{
changeComposerItem->setSceneRect( QRectF( originalItem->transform().dx() + mx, originalItem->transform().dy() + my,
originalItem->rect().width() + rx, originalItem->rect().height() + ry ) );
changeComposerItem->updateItem();
}
}
void QgsComposerView::endMarqueeSelect( QMouseEvent* e )
{
mMarqueeSelect = false;
bool subtractingSelection = false;
if ( e->modifiers() & Qt::ShiftModifier )
{
//shift modifer means adding to selection, nothing required here
}
else if ( e->modifiers() & Qt::ControlModifier )
{
//control modifier means subtract from current selection
subtractingSelection = true;
}
else
{
//not adding to or removing from selection, so clear current selection
composition()->clearSelection();
}
if ( !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
//just a click, do nothing
removeRubberBand();
return;
}
QRectF boundsRect = QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(),
mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
//determine item selection mode, default to intersection
Qt::ItemSelectionMode selectionMode = Qt::IntersectsItemShape;
if ( e->modifiers() & Qt::AltModifier )
{
//alt modifier switches to contains selection mode
selectionMode = Qt::ContainsItemShape;
}
//find all items in rubber band
QList<QGraphicsItem *> itemList = composition()->items( boundsRect, selectionMode );
QList<QGraphicsItem *>::iterator itemIt = itemList.begin();
for ( ; itemIt != itemList.end(); ++itemIt )
{
QgsComposerItem* mypItem = dynamic_cast<QgsComposerItem *>( *itemIt );
QgsPaperItem* paperItem = dynamic_cast<QgsPaperItem*>( *itemIt );
if ( mypItem && !paperItem )
{
if ( !mypItem->positionLock() )
{
if ( subtractingSelection )
{
mypItem->setSelected( false );
}
else
{
mypItem->setSelected( true );
}
}
}
}
removeRubberBand();
//update item panel
QList<QgsComposerItem*> selectedItemList = composition()->selectedComposerItems();
if ( selectedItemList.size() > 0 )
{
emit selectedItemChanged( selectedItemList[0] );
}
}
void QgsComposerView::mousePressEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
//lock/unlock position of item with right click
if ( e->button() == Qt::RightButton )
{
QgsComposerItem* selectedItem = composition()->composerItemAt( scenePoint );
if ( selectedItem )
{
bool lock = selectedItem->positionLock() ? false : true;
selectedItem->setPositionLock( lock );
selectedItem->update();
//make sure the new cursor is correct
QPointF itemPoint = selectedItem->mapFromScene( scenePoint );
selectedItem->updateCursor( itemPoint );
}
return;
}
switch ( mCurrentTool )
{
//select/deselect items and pass mouse event further
case Select:
{
QgsComposerItem* selectedItem;
QgsComposerItem* previousSelectedItem = 0;
if ( e->modifiers() & Qt::ControlModifier )
{
//CTRL modifier, so we are trying to select the next item below the current one
//first, find currently selected item
QList<QgsComposerItem*> selectedItems = composition()->selectedComposerItems();
if ( selectedItems.size() > 0 )
{
previousSelectedItem = selectedItems.at( 0 );
}
}
if ( !( e->modifiers() & Qt::ShiftModifier ) ) //keep selection if shift key pressed
{
composition()->clearSelection();
}
if ( previousSelectedItem )
{
//select highest item just below previously selected item at position of event
selectedItem = composition()->composerItemAt( scenePoint, previousSelectedItem );
//if we didn't find a lower item we'll use the top-most as fall-back
//this duplicates mapinfo/illustrator/etc behaviour where ctrl-clicks are "cyclic"
if ( !selectedItem )
{
selectedItem = composition()->composerItemAt( scenePoint );
}
}
else
{
//select topmost item at position of event
selectedItem = composition()->composerItemAt( scenePoint );
}
if ( !selectedItem )
{
break;
}
if (( e->modifiers() & Qt::ShiftModifier ) && ( selectedItem->selected() ) )
{
//SHIFT-clicking a selected item deselects it
selectedItem->setSelected( false );
//Check if we have any remaining selected items, and if so, update the item panel
QList<QgsComposerItem*> selectedItems = composition()->selectedComposerItems();
if ( selectedItems.size() > 0 )
{
emit selectedItemChanged( selectedItems.at( 0 ) );
}
}
else
{
selectedItem->setSelected( true );
QGraphicsView::mousePressEvent( e );
emit selectedItemChanged( selectedItem );
}
break;
}
case MoveItemContent:
{
//store item as member if it is selected and cursor is over item
QgsComposerItem* item = dynamic_cast<QgsComposerItem *>( itemAt( e->pos() ) );
if ( item )
{
mMoveContentStartPos = scenePoint;
}
mMoveContentItem = item;
break;
}
case AddArrow:
{
mRubberBandStartPos = QPointF( snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandLineItem = new QGraphicsLineItem( snappedScenePoint.x(), snappedScenePoint.y(), snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandLineItem->setZValue( 100 );
scene()->addItem( mRubberBandLineItem );
scene()->update();
break;
}
//create rubber band for map and ellipse items
case AddMap:
case AddRectangle:
case AddTriangle:
case AddEllipse:
case AddHtml:
{
QTransform t;
mRubberBandItem = new QGraphicsRectItem( 0, 0, 0, 0 );
mRubberBandStartPos = QPointF( snappedScenePoint.x(), snappedScenePoint.y() );
t.translate( snappedScenePoint.x(), snappedScenePoint.y() );
mRubberBandItem->setTransform( t );
mRubberBandItem->setZValue( 100 );
scene()->addItem( mRubberBandItem );
scene()->update();
}
break;
case AddLabel:
if ( composition() )
{
QgsComposerLabel* newLabelItem = new QgsComposerLabel( composition() );
newLabelItem->setText( tr( "QGIS" ) );
newLabelItem->adjustSizeToText();
newLabelItem->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), newLabelItem->rect().width(), newLabelItem->rect().height() ) );
composition()->addComposerLabel( newLabelItem );
emit actionFinished();
composition()->pushAddRemoveCommand( newLabelItem, tr( "Label added" ) );
}
break;
case AddScalebar:
if ( composition() )
{
QgsComposerScaleBar* newScaleBar = new QgsComposerScaleBar( composition() );
newScaleBar->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 20, 20 ) );
composition()->addComposerScaleBar( newScaleBar );
QList<const QgsComposerMap*> mapItemList = composition()->composerMapItems();
if ( mapItemList.size() > 0 )
{
newScaleBar->setComposerMap( mapItemList.at( 0 ) );
}
newScaleBar->applyDefaultSize(); //4 segments, 1/5 of composer map width
emit actionFinished();
composition()->pushAddRemoveCommand( newScaleBar, tr( "Scale bar added" ) );
}
break;
case AddLegend:
{
if ( composition() )
{
QgsComposerLegend* newLegend = new QgsComposerLegend( composition() );
newLegend->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), newLegend->rect().width(), newLegend->rect().height() ) );
composition()->addComposerLegend( newLegend );
newLegend->updateLegend();
emit actionFinished();
composition()->pushAddRemoveCommand( newLegend, tr( "Legend added" ) );
}
break;
}
case AddPicture:
if ( composition() )
{
QgsComposerPicture* newPicture = new QgsComposerPicture( composition() );
newPicture->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 30, 30 ) );
composition()->addComposerPicture( newPicture );
emit actionFinished();
composition()->pushAddRemoveCommand( newPicture, tr( "Picture added" ) );
}
break;
case AddTable:
if ( composition() )
{
QgsComposerAttributeTable* newTable = new QgsComposerAttributeTable( composition() );
newTable->setSceneRect( QRectF( snappedScenePoint.x(), snappedScenePoint.y(), 50, 50 ) );
composition()->addComposerTable( newTable );
emit actionFinished();
composition()->pushAddRemoveCommand( newTable, tr( "Table added" ) );
}
break;
default:
break;
}
}
