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qgsrendererpropertiesdialog.cpp
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qgsrendererpropertiesdialog.cpp
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/***************************************************************************
qgsrendererpropertiesdialog.cpp
---------------------
begin : December 2009
copyright : (C) 2009 by Martin Dobias
email : wonder dot sk at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsrendererpropertiesdialog.h"
#include "qgsrenderer.h"
#include "qgsrendererregistry.h"
#include "qgsrendererwidget.h"
#include "qgssinglesymbolrendererwidget.h"
#include "qgscategorizedsymbolrendererwidget.h"
#include "qgsgraduatedsymbolrendererwidget.h"
#include "qgsrulebasedrendererwidget.h"
#include "qgspointdisplacementrendererwidget.h"
#include "qgspointclusterrendererwidget.h"
#include "qgsinvertedpolygonrendererwidget.h"
#include "qgsheatmaprendererwidget.h"
#include "qgs25drendererwidget.h"
#include "qgsnullsymbolrendererwidget.h"
#include "qgspanelwidget.h"
#include "qgspainteffect.h"
#include "qgsorderbydialog.h"
#include "qgsapplication.h"
#include "qgslogger.h"
#include "qgsvectorlayer.h"
#include <QKeyEvent>
#include <QMessageBox>
static bool _initRenderer( const QString &name, QgsRendererWidgetFunc f, const QString &iconName = QString() )
{
QgsRendererRegistry *reg = QgsApplication::rendererRegistry();
QgsRendererAbstractMetadata *am = reg->rendererMetadata( name );
if ( !am )
return false;
QgsRendererMetadata *m = dynamic_cast<QgsRendererMetadata *>( am );
if ( !m )
return false;
m->setWidgetFunction( f );
if ( !iconName.isEmpty() )
{
m->setIcon( QgsApplication::getThemeIcon( iconName ) );
}
QgsDebugMsg( "Set for " + name );
return true;
}
static void _initRendererWidgetFunctions()
{
static bool sInitialized = false;
if ( sInitialized )
return;
_initRenderer( QStringLiteral( "singleSymbol" ), QgsSingleSymbolRendererWidget::create, QStringLiteral( "rendererSingleSymbol.svg" ) );
_initRenderer( QStringLiteral( "categorizedSymbol" ), QgsCategorizedSymbolRendererWidget::create, QStringLiteral( "rendererCategorizedSymbol.svg" ) );
_initRenderer( QStringLiteral( "graduatedSymbol" ), QgsGraduatedSymbolRendererWidget::create, QStringLiteral( "rendererGraduatedSymbol.svg" ) );
_initRenderer( QStringLiteral( "RuleRenderer" ), QgsRuleBasedRendererWidget::create, QStringLiteral( "rendererRuleBasedSymbol.svg" ) );
_initRenderer( QStringLiteral( "pointDisplacement" ), QgsPointDisplacementRendererWidget::create, QStringLiteral( "rendererPointDisplacementSymbol.svg" ) );
_initRenderer( QStringLiteral( "pointCluster" ), QgsPointClusterRendererWidget::create, QStringLiteral( "rendererPointClusterSymbol.svg" ) );
_initRenderer( QStringLiteral( "invertedPolygonRenderer" ), QgsInvertedPolygonRendererWidget::create, QStringLiteral( "rendererInvertedSymbol.svg" ) );
_initRenderer( QStringLiteral( "heatmapRenderer" ), QgsHeatmapRendererWidget::create, QStringLiteral( "rendererHeatmapSymbol.svg" ) );
_initRenderer( QStringLiteral( "25dRenderer" ), Qgs25DRendererWidget::create, QStringLiteral( "renderer25dSymbol.svg" ) );
_initRenderer( QStringLiteral( "nullSymbol" ), QgsNullSymbolRendererWidget::create, QStringLiteral( "rendererNullSymbol.svg" ) );
sInitialized = true;
}
QgsRendererPropertiesDialog::QgsRendererPropertiesDialog( QgsVectorLayer *layer, QgsStyle *style, bool embedded, QWidget *parent )
: QDialog( parent )
, mLayer( layer )
, mStyle( style )
{
setupUi( this );
mLayerRenderingGroupBox->setSettingGroup( QStringLiteral( "layerRenderingGroupBox" ) );
// can be embedded in vector layer properties
if ( embedded )
{
buttonBox->hide();
layout()->setContentsMargins( 0, 0, 0, 0 );
}
// initialize registry's widget functions
_initRendererWidgetFunctions();
QgsRendererRegistry *reg = QgsApplication::rendererRegistry();
QStringList renderers = reg->renderersList( mLayer );
Q_FOREACH ( const QString &name, renderers )
{
QgsRendererAbstractMetadata *m = reg->rendererMetadata( name );
cboRenderers->addItem( m->icon(), m->visibleName(), name );
}
cboRenderers->setCurrentIndex( -1 ); // set no current renderer
connect( buttonBox, &QDialogButtonBox::accepted, this, &QgsRendererPropertiesDialog::onOK );
// connect layer opacity slider and spin box
connect( cboRenderers, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsRendererPropertiesDialog::rendererChanged );
connect( checkboxEnableOrderBy, &QAbstractButton::toggled, btnOrderBy, &QWidget::setEnabled );
connect( btnOrderBy, &QAbstractButton::clicked, this, &QgsRendererPropertiesDialog::showOrderByDialog );
syncToLayer();
QList<QWidget *> widgets;
widgets << mOpacityWidget
<< cboRenderers
<< checkboxEnableOrderBy
<< mBlendModeComboBox
<< mFeatureBlendComboBox
<< mEffectWidget;
connectValueChanged( widgets, SIGNAL( widgetChanged() ) );
connect( mEffectWidget, &QgsPanelWidget::showPanel, this, &QgsRendererPropertiesDialog::openPanel );
}
void QgsRendererPropertiesDialog::connectValueChanged( const QList<QWidget *> &widgets, const char *slot )
{
Q_FOREACH ( QWidget *widget, widgets )
{
if ( QgsPropertyOverrideButton *w = qobject_cast<QgsPropertyOverrideButton *>( widget ) )
{
connect( w, SIGNAL( changed ), this, slot );
}
else if ( QgsFieldExpressionWidget *w = qobject_cast<QgsFieldExpressionWidget *>( widget ) )
{
connect( w, SIGNAL( fieldChanged( QString ) ), this, slot );
}
else if ( QgsOpacityWidget *w = qobject_cast<QgsOpacityWidget *>( widget ) )
{
connect( w, SIGNAL( opacityChanged( double ) ), this, slot );
}
else if ( QComboBox *w = qobject_cast<QComboBox *>( widget ) )
{
connect( w, SIGNAL( currentIndexChanged( int ) ), this, slot );
}
else if ( QSpinBox *w = qobject_cast<QSpinBox *>( widget ) )
{
connect( w, SIGNAL( valueChanged( int ) ), this, slot );
}
else if ( QDoubleSpinBox *w = qobject_cast<QDoubleSpinBox *>( widget ) )
{
connect( w, SIGNAL( valueChanged( double ) ), this, slot );
}
else if ( QgsColorButton *w = qobject_cast<QgsColorButton *>( widget ) )
{
connect( w, SIGNAL( colorChanged( QColor ) ), this, slot );
}
else if ( QCheckBox *w = qobject_cast<QCheckBox *>( widget ) )
{
connect( w, SIGNAL( toggled( bool ) ), this, slot );
}
else if ( QLineEdit *w = qobject_cast<QLineEdit *>( widget ) )
{
connect( w, SIGNAL( textEdited( QString ) ), this, slot );
connect( w, SIGNAL( textChanged( QString ) ), this, slot );
}
else if ( QgsEffectStackCompactWidget *w = qobject_cast<QgsEffectStackCompactWidget *>( widget ) )
{
connect( w, SIGNAL( changed() ), this, slot );
}
}
}
QgsRendererPropertiesDialog::~QgsRendererPropertiesDialog()
{
delete mPaintEffect;
}
void QgsRendererPropertiesDialog::setMapCanvas( QgsMapCanvas *canvas )
{
mMapCanvas = canvas;
if ( mActiveWidget )
{
QgsSymbolWidgetContext context;
context.setMapCanvas( mMapCanvas );
mActiveWidget->setContext( context );
}
}
void QgsRendererPropertiesDialog::setDockMode( bool dockMode )
{
mDockMode = dockMode;
mEffectWidget->setDockMode( dockMode );
if ( mActiveWidget )
mActiveWidget->setDockMode( mDockMode );
}
void QgsRendererPropertiesDialog::rendererChanged()
{
if ( cboRenderers->currentIndex() == -1 )
{
QgsDebugMsg( QStringLiteral( "No current item -- this should never happen!" ) );
return;
}
QString rendererName = cboRenderers->currentData().toString();
//Retrieve the previous renderer: from the old active widget if possible, otherwise from the layer
QgsFeatureRenderer *oldRenderer = nullptr;
if ( mActiveWidget && mActiveWidget->renderer() )
{
oldRenderer = mActiveWidget->renderer()->clone();
}
else
{
oldRenderer = mLayer->renderer()->clone();
}
// get rid of old active widget (if any)
if ( mActiveWidget )
{
stackedWidget->removeWidget( mActiveWidget );
delete mActiveWidget;
mActiveWidget = nullptr;
}
QgsRendererWidget *w = nullptr;
QgsRendererAbstractMetadata *m = QgsApplication::rendererRegistry()->rendererMetadata( rendererName );
if ( m )
w = m->createRendererWidget( mLayer, mStyle, oldRenderer );
delete oldRenderer;
if ( w )
{
// instantiate the widget and set as active
mActiveWidget = w;
stackedWidget->addWidget( mActiveWidget );
stackedWidget->setCurrentWidget( mActiveWidget );
if ( mActiveWidget->renderer() )
{
if ( mMapCanvas )
{
QgsSymbolWidgetContext context;
context.setMapCanvas( mMapCanvas );
mActiveWidget->setContext( context );
}
changeOrderBy( mActiveWidget->renderer()->orderBy(), mActiveWidget->renderer()->orderByEnabled() );
connect( mActiveWidget, &QgsRendererWidget::layerVariablesChanged, this, &QgsRendererPropertiesDialog::layerVariablesChanged );
}
connect( mActiveWidget, &QgsPanelWidget::widgetChanged, this, &QgsRendererPropertiesDialog::widgetChanged );
connect( mActiveWidget, &QgsPanelWidget::showPanel, this, &QgsRendererPropertiesDialog::openPanel );
w->setDockMode( mDockMode );
}
else
{
// set default "no edit widget available" page
stackedWidget->setCurrentWidget( pageNoWidget );
}
}
void QgsRendererPropertiesDialog::apply()
{
if ( !mActiveWidget || !mLayer )
{
return;
}
mActiveWidget->applyChanges();
QgsFeatureRenderer *renderer = mActiveWidget->renderer();
if ( renderer )
{
renderer->setPaintEffect( mPaintEffect->clone() );
// set the order by
renderer->setOrderBy( mOrderBy );
renderer->setOrderByEnabled( checkboxEnableOrderBy->isChecked() );
mLayer->setRenderer( renderer->clone() );
}
// set the blend modes for the layer
mLayer->setBlendMode( mBlendModeComboBox->blendMode() );
mLayer->setFeatureBlendMode( mFeatureBlendComboBox->blendMode() );
// set opacity for the layer
mLayer->setOpacity( mOpacityWidget->opacity() );
}
void QgsRendererPropertiesDialog::onOK()
{
apply();
accept();
}
void QgsRendererPropertiesDialog::openPanel( QgsPanelWidget *panel )
{
QgsDebugMsg( QStringLiteral( "Open panel!!!" ) );
if ( mDockMode )
{
QgsDebugMsg( QStringLiteral( "DOCK MODE" ) );
emit showPanel( panel );
}
else
{
QgsDebugMsg( QStringLiteral( "DIALOG MODE" ) );
// Show the dialog version if no one is connected
QDialog *dlg = new QDialog();
QString key = QStringLiteral( "/UI/paneldialog/%1" ).arg( panel->panelTitle() );
QgsSettings settings;
dlg->restoreGeometry( settings.value( key ).toByteArray() );
dlg->setWindowTitle( panel->panelTitle() );
dlg->setLayout( new QVBoxLayout() );
dlg->layout()->addWidget( panel );
QDialogButtonBox *buttonBox = new QDialogButtonBox( QDialogButtonBox::Ok );
connect( buttonBox, &QDialogButtonBox::accepted, dlg, &QDialog::accept );
dlg->layout()->addWidget( buttonBox );
dlg->exec();
settings.setValue( key, dlg->saveGeometry() );
panel->acceptPanel();
}
}
void QgsRendererPropertiesDialog::syncToLayer()
{
// Blend mode
mBlendModeComboBox->setBlendMode( mLayer->blendMode() );
// Feature blend mode
mFeatureBlendComboBox->setBlendMode( mLayer->featureBlendMode() );
// Layer opacity
mOpacityWidget->setOpacity( mLayer->opacity() );
//paint effect widget
if ( mLayer->renderer() )
{
if ( mLayer->renderer()->paintEffect() )
{
mPaintEffect = mLayer->renderer()->paintEffect()->clone();
mEffectWidget->setPaintEffect( mPaintEffect );
}
mOrderBy = mLayer->renderer()->orderBy();
}
// setup slot rendererChanged()
//setup order by
if ( mLayer->renderer() &&
mLayer->renderer()->orderByEnabled() )
{
checkboxEnableOrderBy->setChecked( true );
}
else
{
btnOrderBy->setEnabled( false );
checkboxEnableOrderBy->setChecked( false );
}
if ( mLayer->renderer() )
{
// set current renderer from layer
QString rendererName = mLayer->renderer()->type();
int rendererIdx = cboRenderers->findData( rendererName );
cboRenderers->setCurrentIndex( rendererIdx );
// no renderer found... this mustn't happen
Q_ASSERT( rendererIdx != -1 && "there must be a renderer!" );
}
}
void QgsRendererPropertiesDialog::showOrderByDialog()
{
QgsOrderByDialog dlg( mLayer, this );
dlg.setOrderBy( mOrderBy );
if ( dlg.exec() )
{
mOrderBy = dlg.orderBy();
emit widgetChanged();
}
}
void QgsRendererPropertiesDialog::changeOrderBy( const QgsFeatureRequest::OrderBy &orderBy, bool orderByEnabled )
{
mOrderBy = orderBy;
checkboxEnableOrderBy->setChecked( orderByEnabled );
}
void QgsRendererPropertiesDialog::updateUIState( bool hidden )
{
mLayerRenderingGroupBox->setHidden( hidden );
cboRenderers->setHidden( hidden );
}
void QgsRendererPropertiesDialog::keyPressEvent( QKeyEvent *e )
{
// Ignore the ESC key to avoid close the dialog without the properties window
if ( !isWindow() && e->key() == Qt::Key_Escape )
{
e->ignore();
}
else
{
QDialog::keyPressEvent( e );
}
}