void QgsSymbolSelectorWidget::updatePreview()
{
QImage preview = mSymbol->bigSymbolPreviewImage( &mPreviewExpressionContext );
lblPreview->setPixmap( QPixmap::fromImage( preview ) );
// Hope this is a appropriate place
emit symbolModified();
}
void QgsSymbolV2SelectorDialog::updatePreview()
{
QImage preview = mSymbol->bigSymbolPreviewImage( mPresetExpressionContext.data() );
lblPreview->setPixmap( QPixmap::fromImage( preview ) );
// Hope this is a appropriate place
emit symbolModified();
}
QgsSingleSymbolRendererWidget::QgsSingleSymbolRendererWidget( QgsVectorLayer* layer, QgsStyle* style, QgsFeatureRenderer* renderer )
: QgsRendererWidget( layer, style )
, mRenderer( nullptr )
{
// try to recognize the previous renderer
// (null renderer means "no previous renderer")
if ( renderer )
{
mRenderer = QgsSingleSymbolRenderer::convertFromRenderer( renderer );
}
if ( !mRenderer )
{
QgsSymbol* symbol = QgsSymbol::defaultSymbol( mLayer->geometryType() );
mRenderer = new QgsSingleSymbolRenderer( symbol );
}
// load symbol from it
mSingleSymbol = mRenderer->symbol()->clone();
// setup ui
mSelector = new QgsSymbolSelectorWidget( mSingleSymbol, mStyle, mLayer, nullptr );
connect( mSelector, SIGNAL( symbolModified() ), this, SLOT( changeSingleSymbol() ) );
connect( mSelector, SIGNAL( showPanel( QgsPanelWidget* ) ), this, SLOT( openPanel( QgsPanelWidget* ) ) );
QVBoxLayout* layout = new QVBoxLayout( this );
layout->setContentsMargins( 0, 0, 0, 0 );
layout->addWidget( mSelector );
// advanced actions - data defined rendering
QMenu* advMenu = mSelector->advancedMenu();
advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) );
}
void QgsSymbolSelectorWidget::lockLayer()
{
QgsSymbolLayer *layer = currentLayer();
if ( !layer )
return;
layer->setLocked( btnLock->isChecked() );
emit symbolModified();
}
void QgsSymbolV2SelectorDialog::setLineWidth( double width )
{
QgsLineSymbolV2* lineSymbol = static_cast<QgsLineSymbolV2*>( mSymbol );
if ( lineSymbol->width() == width )
return;
lineSymbol->setWidth( width );
updateSymbolPreview();
emit symbolModified();
}
void QgsSymbolV2SelectorDialog::setMarkerSize( double size )
{
QgsMarkerSymbolV2* markerSymbol = static_cast<QgsMarkerSymbolV2*>( mSymbol );
if ( markerSymbol->size() == size )
return;
markerSymbol->setSize( size );
updateSymbolPreview();
emit symbolModified();
}
void QgsSymbolV2SelectorDialog::changeSymbolProperties()
{
QgsSymbolV2PropertiesDialog dlg( mSymbol, mVectorLayer, this );
if ( !dlg.exec() )
return;
updateSymbolPreview();
updateSymbolInfo();
emit symbolModified();
}
QgsSymbolV2SelectorWidget::QgsSymbolV2SelectorWidget( QgsSymbolV2* symbol, QgsStyleV2* style, const QgsVectorLayer* vl, QWidget* parent )
: QgsPanelWidget( parent )
, mAdvancedMenu( nullptr )
, mVectorLayer( vl )
, mMapCanvas( nullptr )
{
#ifdef Q_OS_MAC
setWindowModality( Qt::WindowModal );
#endif
mStyle = style;
mSymbol = symbol;
mPresentWidget = nullptr;
setupUi( this );
// setup icons
btnAddLayer->setIcon( QIcon( QgsApplication::iconPath( "symbologyAdd.svg" ) ) );
btnRemoveLayer->setIcon( QIcon( QgsApplication::iconPath( "symbologyRemove.svg" ) ) );
QIcon iconLock;
iconLock.addFile( QgsApplication::iconPath( "locked.svg" ), QSize(), QIcon::Normal, QIcon::On );
iconLock.addFile( QgsApplication::iconPath( "locked.svg" ), QSize(), QIcon::Active, QIcon::On );
iconLock.addFile( QgsApplication::iconPath( "unlocked.svg" ), QSize(), QIcon::Normal, QIcon::Off );
iconLock.addFile( QgsApplication::iconPath( "unlocked.svg" ), QSize(), QIcon::Active, QIcon::Off );
btnLock->setIcon( iconLock );
btnDuplicate->setIcon( QIcon( QgsApplication::iconPath( "mActionDuplicateLayer.svg" ) ) );
btnUp->setIcon( QIcon( QgsApplication::iconPath( "symbologyUp.svg" ) ) );
btnDown->setIcon( QIcon( QgsApplication::iconPath( "symbologyDown.svg" ) ) );
model = new QStandardItemModel( layersTree );
// Set the symbol
layersTree->setModel( model );
layersTree->setHeaderHidden( true );
QItemSelectionModel* selModel = layersTree->selectionModel();
connect( selModel, SIGNAL( currentChanged( const QModelIndex&, const QModelIndex& ) ), this, SLOT( layerChanged() ) );
loadSymbol( symbol, static_cast<SymbolLayerItem*>( model->invisibleRootItem() ) );
updatePreview();
connect( btnUp, SIGNAL( clicked() ), this, SLOT( moveLayerUp() ) );
connect( btnDown, SIGNAL( clicked() ), this, SLOT( moveLayerDown() ) );
connect( btnAddLayer, SIGNAL( clicked() ), this, SLOT( addLayer() ) );
connect( btnRemoveLayer, SIGNAL( clicked() ), this, SLOT( removeLayer() ) );
connect( btnLock, SIGNAL( clicked() ), this, SLOT( lockLayer() ) );
connect( btnDuplicate, SIGNAL( clicked() ), this, SLOT( duplicateLayer() ) );
connect( this, SIGNAL( symbolModified() ), this, SIGNAL( widgetChanged() ) );
updateUi();
// set symbol as active item in the tree
QModelIndex newIndex = layersTree->model()->index( 0, 0 );
layersTree->setCurrentIndex( newIndex );
setPanelTitle( tr( "Symbol selector" ) );
}
void QgsSymbolV2SelectorDialog::on_mTransparencySlider_valueChanged( int value )
{
if ( mSymbol )
{
double alpha = 1 - ( value / 255.0 );
mSymbol->setAlpha( alpha );
displayTransparency( alpha );
updateSymbolPreview();
emit symbolModified();
}
}
void QgsSymbolV2SelectorDialog::on_mSymbolUnitComboBox_currentIndexChanged( const QString & text )
{
Q_UNUSED( text );
if ( mSymbol )
{
mSymbol->setOutputUnit(( QgsSymbolV2::OutputUnit ) mSymbolUnitComboBox->currentIndex() );
updateSymbolPreview();
emit symbolModified();
}
}
QgsSingleSymbolRendererV2Widget::QgsSingleSymbolRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer )
: QgsRendererV2Widget( layer, style )
, mRenderer( NULL )
{
// try to recognize the previous renderer
// (null renderer means "no previous renderer")
if ( renderer )
{
mRenderer = QgsSingleSymbolRendererV2::convertFromRenderer( renderer );
}
if ( !mRenderer )
{
QgsSymbolV2* symbol = QgsSymbolV2::defaultSymbol( mLayer->geometryType() );
mRenderer = new QgsSingleSymbolRendererV2( symbol );
}
// load symbol from it
mSingleSymbol = mRenderer->symbol()->clone();
// setup ui
setupUi( this );
mHtmlLineEdit->setToolTip( QgsRendererV2Widget::htmlToolTip() );
mSelector = new QgsSymbolV2SelectorDialog( mSingleSymbol, mStyle, mLayer, NULL, true );
connect( mSelector, SIGNAL( symbolModified() ), this, SLOT( changeSingleSymbol() ) );
mVerticalLayout->addWidget( mSelector );
mHtmlLineEdit->setText( mRenderer->html() );
mWMSLegendSettingsGroupBox->setCollapsed( true );
// advanced actions - data defined rendering
QMenu* advMenu = mSelector->advancedMenu();
advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) );
mDataDefinedMenus = new QgsRendererV2DataDefinedMenus( advMenu, mLayer,
mRenderer->rotationField(), mRenderer->sizeScaleField(), mRenderer->scaleMethod() );
connect( mDataDefinedMenus, SIGNAL( rotationFieldChanged( QString ) ), this, SLOT( rotationFieldChanged( QString ) ) );
connect( mDataDefinedMenus, SIGNAL( sizeScaleFieldChanged( QString ) ), this, SLOT( sizeScaleFieldChanged( QString ) ) );
connect( mDataDefinedMenus, SIGNAL( scaleMethodChanged( QgsSymbolV2::ScaleMethod ) ), this, SLOT( scaleMethodChanged( QgsSymbolV2::ScaleMethod ) ) );
//add legend symbol icon to button
if ( mRenderer->legendSymbol() )
{
QIcon icon = QgsSymbolLayerV2Utils::symbolPreviewIcon( mRenderer->legendSymbol(), mLegendIconButton->iconSize() );
mLegendIconButton->setIcon( icon );
}
}
void QgsSymbolV2SelectorDialog::setSymbolColor()
{
#if defined(Q_WS_MAC) && QT_VERSION >= 0x040500 && defined(QT_MAC_USE_COCOA)
// Native Mac dialog works only for Qt Carbon
// Qt bug: http://bugreports.qt.nokia.com/browse/QTBUG-14889
// FIXME need to also check max QT_VERSION when Qt bug fixed
QColor color = QColorDialog::getColor( mSymbol->color(), this, "", QColorDialog::DontUseNativeDialog );
#else
QColor color = QColorDialog::getColor( mSymbol->color(), this );
#endif
if ( !color.isValid() )
return;
mSymbol->setColor( color );
updateSymbolColor();
updateSymbolPreview();
emit symbolModified();
}
QgsSingleSymbolRendererV2Widget::QgsSingleSymbolRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer )
: QgsRendererV2Widget( layer, style )
{
// try to recognize the previous renderer
// (null renderer means "no previous renderer")
if ( !renderer || renderer->type() != "singleSymbol" )
{
// we're not going to use it - so let's delete the renderer
delete renderer;
// some default options
QgsSymbolV2* symbol = QgsSymbolV2::defaultSymbol( mLayer->geometryType() );
mRenderer = new QgsSingleSymbolRendererV2( symbol );
}
else
{
mRenderer = static_cast<QgsSingleSymbolRendererV2*>( renderer );
}
// load symbol from it
mSingleSymbol = mRenderer->symbol()->clone();
// setup ui
mSelector = new QgsSymbolV2SelectorDialog( mSingleSymbol, mStyle, mLayer, NULL, true );
connect( mSelector, SIGNAL( symbolModified() ), this, SLOT( changeSingleSymbol() ) );
QVBoxLayout* layout = new QVBoxLayout;
layout->addWidget( mSelector );
setLayout( layout );
// advanced actions - data defined rendering
QMenu* advMenu = mSelector->advancedMenu();
advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) );
mDataDefinedMenus = new QgsRendererV2DataDefinedMenus( advMenu, mLayer->pendingFields(),
mRenderer->rotationField(), mRenderer->sizeScaleField(), mRenderer->scaleMethod() );
connect( mDataDefinedMenus, SIGNAL( rotationFieldChanged( QString ) ), this, SLOT( rotationFieldChanged( QString ) ) );
connect( mDataDefinedMenus, SIGNAL( sizeScaleFieldChanged( QString ) ), this, SLOT( sizeScaleFieldChanged( QString ) ) );
connect( mDataDefinedMenus, SIGNAL( scaleMethodChanged( QgsSymbolV2::ScaleMethod ) ), this, SLOT( scaleMethodChanged( QgsSymbolV2::ScaleMethod ) ) );
}
void QgsSymbolV2SelectorDialog::setSymbolFromStyle( const QModelIndex & index )
{
QString symbolName = index.data( Qt::UserRole ).toString();
lblSymbolName->setText( symbolName );
// get new instance of symbol from style
QgsSymbolV2* s = mStyle->symbol( symbolName );
// remove all symbol layers from original symbol
while ( mSymbol->symbolLayerCount() )
mSymbol->deleteSymbolLayer( 0 );
// move all symbol layers to our symbol
while ( s->symbolLayerCount() )
{
QgsSymbolLayerV2* sl = s->takeSymbolLayer( 0 );
mSymbol->appendSymbolLayer( sl );
}
// delete the temporary symbol
delete s;
updateSymbolPreview();
updateSymbolInfo();
emit symbolModified();
}
