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028db7e541
Brings the inline (ie, no modal dialogs!) color modification and symbol editing from the layer styling panel to composer item configuration.
99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/***************************************************************************
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qgscomposerpolygonwidget.cpp
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begin : March 2016
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copyright : (C) 2016 Paul Blottiere, Oslandia
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email : paul dot blottiere at oslandia dot com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "qgscomposerpolygonwidget.h"
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#include "qgscomposerpolygon.h"
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#include "qgscomposeritemwidget.h"
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#include "qgssymbolselectordialog.h"
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#include "qgsstyle.h"
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#include "qgssymbollayerutils.h"
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QgsComposerPolygonWidget::QgsComposerPolygonWidget( QgsComposerPolygon* composerPolygon ):
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QgsComposerItemBaseWidget( nullptr, composerPolygon )
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, mComposerPolygon( composerPolygon )
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{
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setupUi( this );
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setPanelTitle( tr( "Polygon properties" ) );
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//add widget for general composer item properties
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QgsComposerItemWidget* itemPropertiesWidget = new QgsComposerItemWidget( this, composerPolygon );
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//shapes don't use background or frame, since the symbol style is set through a QgsSymbolSelectorDialog
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itemPropertiesWidget->showBackgroundGroup( false );
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itemPropertiesWidget->showFrameGroup( false );
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mainLayout->addWidget( itemPropertiesWidget );
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// update style icon
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updatePolygonStyle();
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if ( mComposerPolygon )
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{
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connect( mComposerPolygon, SIGNAL( itemChanged() ), this, SLOT( setGuiElementValues() ) );
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}
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}
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QgsComposerPolygonWidget::~QgsComposerPolygonWidget()
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{
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}
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void QgsComposerPolygonWidget::on_mPolygonStyleButton_clicked()
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{
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if ( !mComposerPolygon )
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{
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return;
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}
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// use the atlas coverage layer, if any
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QgsVectorLayer* coverageLayer = atlasCoverageLayer();
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QScopedPointer<QgsFillSymbol> newSymbol;
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newSymbol.reset( mComposerPolygon->polygonStyleSymbol()->clone() );
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QgsExpressionContext context = mComposerPolygon->createExpressionContext();
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QgsSymbolSelectorDialog d( newSymbol.data(), QgsStyle::defaultStyle(),
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coverageLayer, this );
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QgsSymbolWidgetContext symbolContext;
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symbolContext.setExpressionContext( &context );
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d.setContext( symbolContext );
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if ( d.exec() == QDialog::Accepted )
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{
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mComposerPolygon->beginCommand( tr( "Polygon style changed" ) );
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mComposerPolygon->setPolygonStyleSymbol( newSymbol.data() );
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updatePolygonStyle();
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mComposerPolygon->endCommand();
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}
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}
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void QgsComposerPolygonWidget::setGuiElementValues()
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{
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if ( !mComposerPolygon )
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{
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return;
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}
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updatePolygonStyle();
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}
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void QgsComposerPolygonWidget::updatePolygonStyle()
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{
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if ( mComposerPolygon )
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{
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QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( mComposerPolygon->polygonStyleSymbol(), mPolygonStyleButton->iconSize() );
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mPolygonStyleButton->setIcon( icon );
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}
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}
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