/
qgsvectorlayerproperties.cpp
1346 lines (1147 loc) · 44.3 KB
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qgsvectorlayerproperties.cpp
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/***************************************************************************
qgsdlgvectorlayerproperties.cpp
Unified property dialog for vector layers
-------------------
begin : 2004-01-28
copyright : (C) 2004 by Gary E.Sherman
email : sherman at mrcc.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 <memory>
#include <limits>
#include "qgisapp.h"
#include "qgsactionmanager.h"
#include "qgsjoindialog.h"
#include "qgsapplication.h"
#include "qgsattributeactiondialog.h"
#include "qgsapplydialog.h"
#include "qgscontexthelp.h"
#include "qgscoordinatetransform.h"
#include "qgsdiagramproperties.h"
#include "qgsdiagramrenderer.h"
#include "qgsexpressionbuilderdialog.h"
#include "qgsfieldcalculator.h"
#include "qgsfieldsproperties.h"
#include "qgslabelingwidget.h"
#include "qgsgenericprojectionselector.h"
#include "qgslogger.h"
#include "qgsmapcanvas.h"
#include "qgsmaplayerconfigwidgetfactory.h"
#include "qgsmaplayerstyleguiutils.h"
#include "qgspluginmetadata.h"
#include "qgspluginregistry.h"
#include "qgsproject.h"
#include "qgssavestyletodbdialog.h"
#include "qgsloadstylefromdbdialog.h"
#include "qgsvectorlayer.h"
#include "qgsvectorlayerproperties.h"
#include "qgsconfig.h"
#include "qgsvectordataprovider.h"
#include "qgsquerybuilder.h"
#include "qgsdatasourceuri.h"
#include "qgsrenderer.h"
#include "qgsexpressioncontext.h"
#include "layertree/qgslayertreelayer.h"
#include <QMessageBox>
#include <QDir>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QFontDialog>
#include <QSettings>
#include <QComboBox>
#include <QCheckBox>
#include <QHeaderView>
#include <QColorDialog>
#include "qgsrendererpropertiesdialog.h"
#include "qgsstyle.h"
#include "qgssymbologyconversion.h"
QgsVectorLayerProperties::QgsVectorLayerProperties(
QgsVectorLayer *lyr,
QWidget * parent,
Qt::WindowFlags fl
)
: QgsOptionsDialogBase( QStringLiteral( "VectorLayerProperties" ), parent, fl )
, mLayer( lyr )
, mMetadataFilled( false )
, mOriginalSubsetSQL( lyr->subsetString() )
, mSaveAsMenu( nullptr )
, mLoadStyleMenu( nullptr )
, mRendererDialog( nullptr )
, labelingDialog( nullptr )
, mActionDialog( nullptr )
, diagramPropertiesDialog( nullptr )
, mFieldsPropertiesDialog( nullptr )
{
setupUi( this );
// QgsOptionsDialogBase handles saving/restoring of geometry, splitter and current tab states,
// switching vertical tabs between icon/text to icon-only modes (splitter collapsed to left),
// and connecting QDialogButtonBox's accepted/rejected signals to dialog's accept/reject slots
initOptionsBase( false );
QPushButton* b = new QPushButton( tr( "Style" ) );
QMenu* m = new QMenu( this );
mActionLoadStyle = m->addAction( tr( "Load Style" ), this, SLOT( loadStyle_clicked() ) );
mActionSaveStyleAs = m->addAction( tr( "Save Style" ), this, SLOT( saveStyleAs_clicked() ) );
m->addSeparator();
m->addAction( tr( "Save as Default" ), this, SLOT( saveDefaultStyle_clicked() ) );
m->addAction( tr( "Restore Default" ), this, SLOT( loadDefaultStyle_clicked() ) );
b->setMenu( m );
connect( m, SIGNAL( aboutToShow() ), this, SLOT( aboutToShowStyleMenu() ) );
buttonBox->addButton( b, QDialogButtonBox::ResetRole );
connect( lyr->styleManager(), SIGNAL( currentStyleChanged( QString ) ), this, SLOT( syncToLayer() ) );
connect( buttonBox->button( QDialogButtonBox::Apply ), SIGNAL( clicked() ), this, SLOT( apply() ) );
connect( this, SIGNAL( accepted() ), this, SLOT( apply() ) );
connect( this, SIGNAL( rejected() ), this, SLOT( onCancel() ) );
connect( mOptionsStackedWidget, SIGNAL( currentChanged( int ) ), this, SLOT( mOptionsStackedWidget_CurrentChanged( int ) ) );
mContext << QgsExpressionContextUtils::globalScope()
<< QgsExpressionContextUtils::projectScope()
<< QgsExpressionContextUtils::atlasScope( nullptr )
<< QgsExpressionContextUtils::mapSettingsScope( QgisApp::instance()->mapCanvas()->mapSettings() )
<< QgsExpressionContextUtils::layerScope( mLayer );
mMapTipExpressionFieldWidget->setLayer( lyr );
mMapTipExpressionFieldWidget->registerExpressionContextGenerator( this );
mDisplayExpressionWidget->setLayer( lyr );
mDisplayExpressionWidget->registerExpressionContextGenerator( this );
connect( mInsertExpressionButton, SIGNAL( clicked() ), this, SLOT( insertFieldOrExpression() ) );
if ( !mLayer )
return;
QVBoxLayout *layout;
if ( mLayer->hasGeometryType() )
{
// Create the Labeling dialog tab
layout = new QVBoxLayout( labelingFrame );
layout->setMargin( 0 );
labelingDialog = new QgsLabelingWidget( mLayer, QgisApp::instance()->mapCanvas(), labelingFrame );
labelingDialog->layout()->setContentsMargins( -1, 0, -1, 0 );
layout->addWidget( labelingDialog );
labelingFrame->setLayout( layout );
}
else
{
labelingDialog = nullptr;
mOptsPage_Labels->setEnabled( false ); // disable labeling item
}
// Create the Actions dialog tab
QVBoxLayout *actionLayout = new QVBoxLayout( actionOptionsFrame );
actionLayout->setMargin( 0 );
mActionDialog = new QgsAttributeActionDialog( *mLayer->actions(), actionOptionsFrame );
mActionDialog->layout()->setMargin( 0 );
actionLayout->addWidget( mActionDialog );
// Create the menu for the save style button to choose the output format
mSaveAsMenu = new QMenu( this );
mSaveAsMenu->addAction( tr( "QGIS Layer Style File..." ) );
mSaveAsMenu->addAction( tr( "SLD File..." ) );
//Only if the provider support loading & saving styles to db add new choices
if ( mLayer->dataProvider()->isSaveAndLoadStyleToDBSupported() )
{
//for loading
mLoadStyleMenu = new QMenu( this );
mLoadStyleMenu->addAction( tr( "Load from file..." ) );
mLoadStyleMenu->addAction( tr( "Load from database" ) );
//mActionLoadStyle->setContextMenuPolicy( Qt::PreventContextMenu );
mActionLoadStyle->setMenu( mLoadStyleMenu );
QObject::connect( mLoadStyleMenu, SIGNAL( triggered( QAction * ) ),
this, SLOT( loadStyleMenuTriggered( QAction * ) ) );
//for saving
QString providerName = mLayer->providerType();
if ( providerName == "ogr" )
{
providerName = mLayer->dataProvider()->storageType();
if ( providerName == "GPKG" )
providerName = "GeoPackage";
}
mSaveAsMenu->addAction( tr( "Save in database (%1)" ).arg( providerName ) );
}
QObject::connect( mSaveAsMenu, SIGNAL( triggered( QAction * ) ),
this, SLOT( saveStyleAsMenuTriggered( QAction * ) ) );
mFieldsPropertiesDialog = new QgsFieldsProperties( mLayer, mFieldsFrame );
mFieldsPropertiesDialog->layout()->setMargin( 0 );
mFieldsFrame->setLayout( new QVBoxLayout( mFieldsFrame ) );
mFieldsFrame->layout()->setMargin( 0 );
mFieldsFrame->layout()->addWidget( mFieldsPropertiesDialog );
connect( mFieldsPropertiesDialog, SIGNAL( toggleEditing() ), this, SLOT( toggleEditing() ) );
connect( this, SIGNAL( toggleEditing( QgsMapLayer* ) ), QgisApp::instance(), SLOT( toggleEditing( QgsMapLayer* ) ) );
syncToLayer();
if ( mLayer->dataProvider() )//enable spatial index button group if supported by provider
{
int capabilities = mLayer->dataProvider()->capabilities();
if ( !( capabilities & QgsVectorDataProvider::CreateSpatialIndex ) )
{
pbnIndex->setEnabled( false );
}
if ( capabilities & QgsVectorDataProvider::SelectEncoding )
{
cboProviderEncoding->addItems( QgsVectorDataProvider::availableEncodings() );
QString enc = mLayer->dataProvider()->encoding();
int encindex = cboProviderEncoding->findText( enc );
if ( encindex < 0 )
{
cboProviderEncoding->insertItem( 0, enc );
encindex = 0;
}
cboProviderEncoding->setCurrentIndex( encindex );
}
else if ( mLayer->dataProvider()->name() == QLatin1String( "ogr" ) )
{
// if OGR_L_TestCapability(OLCStringsAsUTF8) returns true, OGR provider encoding can be set to only UTF-8
// so make encoding box grayed out
cboProviderEncoding->addItem( mLayer->dataProvider()->encoding() );
cboProviderEncoding->setEnabled( false );
}
else
{
// other providers do not use mEncoding, so hide the group completely
mDataSourceEncodingFrame->hide();
}
}
mCrsSelector->setCrs( mLayer->crs() );
//insert existing join info
const QList< QgsVectorJoinInfo >& joins = mLayer->vectorJoins();
for ( int i = 0; i < joins.size(); ++i )
{
addJoinToTreeWidget( joins[i] );
}
mOldJoins = mLayer->vectorJoins();
QVBoxLayout* diagLayout = new QVBoxLayout( mDiagramFrame );
diagLayout->setMargin( 0 );
diagramPropertiesDialog = new QgsDiagramProperties( mLayer, mDiagramFrame, QgisApp::instance()->mapCanvas() );
diagramPropertiesDialog->layout()->setContentsMargins( -1, 0, -1, 0 );
diagLayout->addWidget( diagramPropertiesDialog );
mDiagramFrame->setLayout( diagLayout );
// Legend tab
mLegendConfigEmbeddedWidget->setLayer( mLayer );
// WMS Name as layer short name
mLayerShortNameLineEdit->setText( mLayer->shortName() );
// WMS Name validator
QValidator *shortNameValidator = new QRegExpValidator( QgsApplication::shortNameRegExp(), this );
mLayerShortNameLineEdit->setValidator( shortNameValidator );
//layer title and abstract
mLayerTitleLineEdit->setText( mLayer->title() );
mLayerAbstractTextEdit->setPlainText( mLayer->abstract() );
mLayerKeywordListLineEdit->setText( mLayer->keywordList() );
mLayerDataUrlLineEdit->setText( mLayer->dataUrl() );
mLayerDataUrlFormatComboBox->setCurrentIndex(
mLayerDataUrlFormatComboBox->findText(
mLayer->dataUrlFormat()
)
);
//layer attribution and metadataUrl
mLayerAttributionLineEdit->setText( mLayer->attribution() );
mLayerAttributionUrlLineEdit->setText( mLayer->attributionUrl() );
mLayerMetadataUrlLineEdit->setText( mLayer->metadataUrl() );
mLayerMetadataUrlTypeComboBox->setCurrentIndex(
mLayerMetadataUrlTypeComboBox->findText(
mLayer->metadataUrlType()
)
);
mLayerMetadataUrlFormatComboBox->setCurrentIndex(
mLayerMetadataUrlFormatComboBox->findText(
mLayer->metadataUrlFormat()
)
);
mLayerLegendUrlLineEdit->setText( mLayer->legendUrl() );
mLayerLegendUrlFormatComboBox->setCurrentIndex(
mLayerLegendUrlFormatComboBox->findText(
mLayer->legendUrlFormat()
)
);
QSettings settings;
// if dialog hasn't been opened/closed yet, default to Styles tab, which is used most often
// this will be read by restoreOptionsBaseUi()
if ( !settings.contains( QStringLiteral( "/Windows/VectorLayerProperties/tab" ) ) )
{
settings.setValue( QStringLiteral( "/Windows/VectorLayerProperties/tab" ),
mOptStackedWidget->indexOf( mOptsPage_Style ) );
}
QString title = QString( tr( "Layer Properties - %1" ) ).arg( mLayer->name() );
restoreOptionsBaseUi( title );
mLayersDependenciesTreeGroup.reset( QgsProject::instance()->layerTreeRoot()->clone() );
QgsLayerTreeLayer* layer = mLayersDependenciesTreeGroup->findLayer( mLayer->id() );
if ( layer )
{
layer->parent()->takeChild( layer );
}
mLayersDependenciesTreeModel.reset( new QgsLayerTreeModel( mLayersDependenciesTreeGroup.data() ) );
// use visibility as selection
mLayersDependenciesTreeModel->setFlag( QgsLayerTreeModel::AllowNodeChangeVisibility );
mLayersDependenciesTreeGroup->setItemVisibilityChecked( false );
QSet<QString> dependencySources;
Q_FOREACH ( const QgsMapLayerDependency& dep, mLayer->dependencies() )
{
dependencySources << dep.layerId();
}
Q_FOREACH ( QgsLayerTreeLayer* layer, mLayersDependenciesTreeGroup->findLayers() )
{
layer->setItemVisibilityChecked( dependencySources.contains( layer->layerId() ) );
}
mLayersDependenciesTreeView->setModel( mLayersDependenciesTreeModel.data() );
} // QgsVectorLayerProperties ctor
QgsVectorLayerProperties::~QgsVectorLayerProperties()
{
}
void QgsVectorLayerProperties::toggleEditing()
{
if ( !mLayer )
return;
emit toggleEditing( mLayer );
setPbnQueryBuilderEnabled();
}
void QgsVectorLayerProperties::addPropertiesPageFactory( QgsMapLayerConfigWidgetFactory* factory )
{
if ( !factory->supportLayerPropertiesDialog() )
{
return;
}
QListWidgetItem* item = new QListWidgetItem();
item->setIcon( factory->icon() );
item->setText( factory->title() );
item->setToolTip( factory->title() );
mOptionsListWidget->addItem( item );
QgsMapLayerConfigWidget* page = factory->createWidget( mLayer, nullptr, false, this );
mLayerPropertiesPages << page;
mOptionsStackedWidget->addWidget( page );
}
void QgsVectorLayerProperties::insertFieldOrExpression()
{
// Convert the selected field to an expression and
// insert it into the action at the cursor position
QString expression = QStringLiteral( "[% \"" );
expression += mMapTipExpressionFieldWidget->asExpression();
expression += QLatin1String( "\" %]" );
mMapTipWidget->insertText( expression );
}
//! @note in raster props, this method is called sync()
void QgsVectorLayerProperties::syncToLayer()
{
// populate the general information
mLayerOrigNameLineEdit->setText( mLayer->originalName() );
txtDisplayName->setText( mLayer->name() );
txtLayerSource->setText( mLayer->publicSource() );
pbnQueryBuilder->setWhatsThis( tr( "This button opens the query "
"builder and allows you to create a subset of features to display on "
"the map canvas rather than displaying all features in the layer" ) );
txtSubsetSQL->setWhatsThis( tr( "The query used to limit the features in the "
"layer is shown here. To enter or modify the query, click on the Query Builder button" ) );
//see if we are dealing with a pg layer here
mSubsetGroupBox->setEnabled( true );
txtSubsetSQL->setText( mLayer->subsetString() );
// if the user is allowed to type an adhoc query, the app will crash if the query
// is bad. For this reason, the sql box is disabled and the query must be built
// using the query builder, either by typing it in by hand or using the buttons, etc
// on the builder. If the ability to enter a query directly into the box is required,
// a mechanism to check it must be implemented.
txtSubsetSQL->setEnabled( false );
setPbnQueryBuilderEnabled();
mMapTipWidget->setText( mLayer->mapTipTemplate() );
mDisplayExpressionWidget->setField( mLayer->displayExpression() );
// set up the scale based layer visibility stuff....
mScaleRangeWidget->setScaleRange( 1.0 / mLayer->maximumScale(), 1.0 / mLayer->minimumScale() ); // caution: layer uses scale denoms, widget uses true scales
mScaleVisibilityGroupBox->setChecked( mLayer->hasScaleBasedVisibility() );
mScaleRangeWidget->setMapCanvas( QgisApp::instance()->mapCanvas() );
// get simplify drawing configuration
const QgsVectorSimplifyMethod& simplifyMethod = mLayer->simplifyMethod();
mSimplifyDrawingGroupBox->setChecked( simplifyMethod.simplifyHints() != QgsVectorSimplifyMethod::NoSimplification );
mSimplifyDrawingSpinBox->setValue( simplifyMethod.threshold() );
QString remark = QStringLiteral( " (%1)" ).arg( tr( "Not supported" ) );
if ( !( mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::SimplifyGeometries ) )
{
mSimplifyDrawingAtProvider->setChecked( false );
mSimplifyDrawingAtProvider->setEnabled( false );
if ( !mSimplifyDrawingAtProvider->text().endsWith( remark ) )
mSimplifyDrawingAtProvider->setText( mSimplifyDrawingAtProvider->text().append( remark ) );
}
else
{
mSimplifyDrawingAtProvider->setChecked( !simplifyMethod.forceLocalOptimization() );
mSimplifyDrawingAtProvider->setEnabled( mSimplifyDrawingGroupBox->isChecked() );
if ( mSimplifyDrawingAtProvider->text().endsWith( remark ) )
{
QString newText = mSimplifyDrawingAtProvider->text();
newText.chop( remark.size() );
mSimplifyDrawingAtProvider->setText( newText );
}
}
// disable simplification for point layers, now it is not implemented
if ( mLayer->geometryType() == QgsWkbTypes::PointGeometry )
{
mSimplifyDrawingGroupBox->setChecked( false );
mSimplifyDrawingGroupBox->setEnabled( false );
}
// Default local simplification algorithm
mSimplifyAlgorithmComboBox->addItem( tr( "Distance" ), ( int )QgsVectorSimplifyMethod::Distance );
mSimplifyAlgorithmComboBox->addItem( tr( "SnapToGrid" ), ( int )QgsVectorSimplifyMethod::SnapToGrid );
mSimplifyAlgorithmComboBox->addItem( tr( "Visvalingam" ), ( int )QgsVectorSimplifyMethod::Visvalingam );
mSimplifyAlgorithmComboBox->setCurrentIndex( mSimplifyAlgorithmComboBox->findData(( int )simplifyMethod.simplifyAlgorithm() ) );
QStringList myScalesList = PROJECT_SCALES.split( ',' );
myScalesList.append( QStringLiteral( "1:1" ) );
mSimplifyMaximumScaleComboBox->updateScales( myScalesList );
mSimplifyMaximumScaleComboBox->setScale( 1.0 / simplifyMethod.maximumScale() );
mForceRasterCheckBox->setChecked( mLayer->renderer() && mLayer->renderer()->forceRasterRender() );
// load appropriate symbology page (V1 or V2)
updateSymbologyPage();
mActionDialog->init( *mLayer->actions(), mLayer->attributeTableConfig() );
if ( labelingDialog )
labelingDialog->adaptToLayer();
mFieldsPropertiesDialog->init();
// set initial state for variable editor
updateVariableEditor();
// updates the init python code and ui
updateFieldsPropertiesDialog();
} // syncToLayer()
void QgsVectorLayerProperties::apply()
{
if ( labelingDialog )
{
labelingDialog->writeSettingsToLayer();
}
// apply legend settings
mLegendConfigEmbeddedWidget->applyToLayer();
//
// Set up sql subset query if applicable
//
mSubsetGroupBox->setEnabled( true );
if ( txtSubsetSQL->toPlainText() != mLayer->subsetString() )
{
// set the subset sql for the layer
mLayer->setSubsetString( txtSubsetSQL->toPlainText() );
mMetadataFilled = false;
}
mOriginalSubsetSQL = mLayer->subsetString();
// set up the scale based layer visibility stuff....
mLayer->setScaleBasedVisibility( mScaleVisibilityGroupBox->isChecked() );
// caution: layer uses scale denoms, widget uses true scales
mLayer->setMaximumScale( mScaleRangeWidget->maximumScaleDenom() );
mLayer->setMinimumScale( mScaleRangeWidget->minimumScaleDenom() );
// provider-specific options
if ( mLayer->dataProvider() )
{
if ( mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::SelectEncoding )
{
mLayer->setProviderEncoding( cboProviderEncoding->currentText() );
}
}
mLayer->setDisplayExpression( mDisplayExpressionWidget->currentField() );
mLayer->setMapTipTemplate( mMapTipWidget->text() );
mLayer->actions()->clearActions();
Q_FOREACH ( const QgsAction& action, mActionDialog->actions() )
{
mLayer->actions()->addAction( action );
}
QgsAttributeTableConfig attributeTableConfig = mLayer->attributeTableConfig();
attributeTableConfig.update( mLayer->fields() );
attributeTableConfig.setActionWidgetStyle( mActionDialog->attributeTableWidgetStyle() );
QVector<QgsAttributeTableConfig::ColumnConfig> columns = attributeTableConfig.columns();
for ( int i = 0; i < columns.size(); ++i )
{
if ( columns.at( i ).type == QgsAttributeTableConfig::Action )
{
columns[i].hidden = !mActionDialog->showWidgetInAttributeTable();
}
}
attributeTableConfig.setColumns( columns );
mLayer->setAttributeTableConfig( attributeTableConfig );
mLayer->setName( mLayerOrigNameLineEdit->text() );
// Apply fields settings
mFieldsPropertiesDialog->apply();
if ( mLayer->renderer() )
{
QgsRendererPropertiesDialog* dlg = static_cast<QgsRendererPropertiesDialog*>( widgetStackRenderers->currentWidget() );
dlg->apply();
}
//apply diagram settings
diagramPropertiesDialog->apply();
// apply all plugin dialogs
Q_FOREACH ( QgsMapLayerConfigWidget* page, mLayerPropertiesPages )
{
page->apply();
}
//layer title and abstract
mLayer->setShortName( mLayerShortNameLineEdit->text() );
mLayer->setTitle( mLayerTitleLineEdit->text() );
mLayer->setAbstract( mLayerAbstractTextEdit->toPlainText() );
mLayer->setKeywordList( mLayerKeywordListLineEdit->text() );
mLayer->setDataUrl( mLayerDataUrlLineEdit->text() );
mLayer->setDataUrlFormat( mLayerDataUrlFormatComboBox->currentText() );
//layer attribution and metadataUrl
mLayer->setAttribution( mLayerAttributionLineEdit->text() );
mLayer->setAttributionUrl( mLayerAttributionUrlLineEdit->text() );
mLayer->setMetadataUrl( mLayerMetadataUrlLineEdit->text() );
mLayer->setMetadataUrlType( mLayerMetadataUrlTypeComboBox->currentText() );
mLayer->setMetadataUrlFormat( mLayerMetadataUrlFormatComboBox->currentText() );
mLayer->setLegendUrl( mLayerLegendUrlLineEdit->text() );
mLayer->setLegendUrlFormat( mLayerLegendUrlFormatComboBox->currentText() );
//layer simplify drawing configuration
QgsVectorSimplifyMethod::SimplifyHints simplifyHints = QgsVectorSimplifyMethod::NoSimplification;
if ( mSimplifyDrawingGroupBox->isChecked() )
{
simplifyHints |= QgsVectorSimplifyMethod::GeometrySimplification;
if ( mSimplifyDrawingSpinBox->value() > 1 ) simplifyHints |= QgsVectorSimplifyMethod::AntialiasingSimplification;
}
QgsVectorSimplifyMethod simplifyMethod = mLayer->simplifyMethod();
simplifyMethod.setSimplifyHints( simplifyHints );
simplifyMethod.setSimplifyAlgorithm( static_cast< QgsVectorSimplifyMethod::SimplifyAlgorithm >( mSimplifyAlgorithmComboBox->currentData().toInt() ) );
simplifyMethod.setThreshold( mSimplifyDrawingSpinBox->value() );
simplifyMethod.setForceLocalOptimization( !mSimplifyDrawingAtProvider->isChecked() );
simplifyMethod.setMaximumScale( 1.0 / mSimplifyMaximumScaleComboBox->scale() );
mLayer->setSimplifyMethod( simplifyMethod );
if ( mLayer->renderer() )
mLayer->renderer()->setForceRasterRender( mForceRasterCheckBox->isChecked() );
mOldJoins = mLayer->vectorJoins();
//save variables
QgsExpressionContextUtils::setLayerVariables( mLayer, mVariableEditor->variablesInActiveScope() );
updateVariableEditor();
// save dependencies
QSet<QgsMapLayerDependency> deps;
Q_FOREACH ( const QgsLayerTreeLayer* layer, mLayersDependenciesTreeGroup->findLayers() )
{
if ( layer->isVisible() )
deps << QgsMapLayerDependency( layer->layerId() );
}
if ( ! mLayer->setDependencies( deps ) )
{
QMessageBox::warning( nullptr, tr( "Dependency cycle" ), tr( "This configuration introduces a cycle in data dependencies and will be ignored" ) );
}
// update symbology
emit refreshLegend( mLayer->id() );
mLayer->triggerRepaint();
// notify the project we've made a change
QgsProject::instance()->setDirty( true );
}
void QgsVectorLayerProperties::onCancel()
{
if ( mOldJoins != mLayer->vectorJoins() )
{
// need to undo changes in vector layer joins - they are applied directly to the layer (not in apply())
// so other parts of the properties dialog can use the fields from the joined layers
Q_FOREACH ( const QgsVectorJoinInfo& info, mLayer->vectorJoins() )
mLayer->removeJoin( info.joinLayerId );
Q_FOREACH ( const QgsVectorJoinInfo& info, mOldJoins )
mLayer->addJoin( info );
}
if ( mOriginalSubsetSQL != mLayer->subsetString() )
{
// need to undo changes in subset string - they are applied directly to the layer (not in apply())
// by QgsQueryBuilder::accept()
mLayer->setSubsetString( mOriginalSubsetSQL );
}
if ( mOldStyle.xmlData() != mLayer->styleManager()->style( mLayer->styleManager()->currentStyle() ).xmlData() )
{
// need to reset style to previous - style applied directly to the layer (not in apply())
QString myMessage;
QDomDocument doc( QStringLiteral( "qgis" ) );
int errorLine, errorColumn;
doc.setContent( mOldStyle.xmlData(), false, &myMessage, &errorLine, &errorColumn );
mLayer->importNamedStyle( doc, myMessage );
syncToLayer();
}
}
void QgsVectorLayerProperties::on_pbnQueryBuilder_clicked()
{
// launch the query builder
QgsQueryBuilder *qb = new QgsQueryBuilder( mLayer, this );
// Set the sql in the query builder to the same in the prop dialog
// (in case the user has already changed it)
qb->setSql( txtSubsetSQL->toPlainText() );
// Open the query builder
if ( qb->exec() )
{
// if the sql is changed, update it in the prop subset text box
txtSubsetSQL->setText( qb->sql() );
//TODO If the sql is changed in the prop dialog, the layer extent should be recalculated
// The datasource for the layer needs to be updated with the new sql since this gets
// saved to the project file. This should happen at the map layer level...
}
// delete the query builder object
delete qb;
}
void QgsVectorLayerProperties::on_pbnIndex_clicked()
{
QgsVectorDataProvider* pr = mLayer->dataProvider();
if ( pr )
{
setCursor( Qt::WaitCursor );
bool errval = pr->createSpatialIndex();
setCursor( Qt::ArrowCursor );
if ( errval )
{
QMessageBox::information( this, tr( "Spatial Index" ), tr( "Creation of spatial index successful" ) );
}
else
{
// TODO: Remind the user to use OGR >= 1.2.6 and Shapefile
QMessageBox::information( this, tr( "Spatial Index" ), tr( "Creation of spatial index failed" ) );
}
}
}
QString QgsVectorLayerProperties::metadata()
{
return mLayer->metadata();
}
void QgsVectorLayerProperties::on_mLayerOrigNameLineEdit_textEdited( const QString& text )
{
txtDisplayName->setText( mLayer->capitalizeLayerName( text ) );
}
void QgsVectorLayerProperties::on_mCrsSelector_crsChanged( const QgsCoordinateReferenceSystem& crs )
{
mLayer->setCrs( crs );
}
void QgsVectorLayerProperties::loadDefaultStyle_clicked()
{
QString msg;
bool defaultLoadedFlag = false;
if ( mLayer->dataProvider()->isSaveAndLoadStyleToDBSupported() )
{
QMessageBox askToUser;
askToUser.setText( tr( "Load default style from: " ) );
askToUser.setIcon( QMessageBox::Question );
askToUser.addButton( tr( "Cancel" ), QMessageBox::RejectRole );
askToUser.addButton( tr( "Local database" ), QMessageBox::NoRole );
askToUser.addButton( tr( "Datasource database" ), QMessageBox::YesRole );
switch ( askToUser.exec() )
{
case 0:
return;
case 2:
msg = mLayer->loadNamedStyle( mLayer->styleURI(), defaultLoadedFlag );
if ( !defaultLoadedFlag )
{
//something went wrong - let them know why
QMessageBox::information( this, tr( "Default Style" ), msg );
}
if ( msg.compare( tr( "Loaded from Provider" ) ) )
{
QMessageBox::information( this, tr( "Default Style" ),
tr( "No default style was found for this layer" ) );
}
else
{
syncToLayer();
}
return;
default:
break;
}
}
QString myMessage = mLayer->loadNamedStyle( mLayer->styleURI(), defaultLoadedFlag, true );
// QString myMessage = layer->loadDefaultStyle( defaultLoadedFlag );
//reset if the default style was loaded ok only
if ( defaultLoadedFlag )
{
// all worked ok so no need to inform user
syncToLayer();
}
else
{
//something went wrong - let them know why
QMessageBox::information( this, tr( "Default Style" ), myMessage );
}
}
void QgsVectorLayerProperties::saveDefaultStyle_clicked()
{
apply();
QString errorMsg;
if ( mLayer->dataProvider()->isSaveAndLoadStyleToDBSupported() )
{
QMessageBox askToUser;
askToUser.setText( tr( "Save default style to: " ) );
askToUser.setIcon( QMessageBox::Question );
askToUser.addButton( tr( "Cancel" ), QMessageBox::RejectRole );
askToUser.addButton( tr( "Local database" ), QMessageBox::NoRole );
askToUser.addButton( tr( "Datasource database" ), QMessageBox::YesRole );
switch ( askToUser.exec() )
{
case 0:
return;
case 2:
mLayer->saveStyleToDatabase( QLatin1String( "" ), QLatin1String( "" ), true, QLatin1String( "" ), errorMsg );
if ( errorMsg.isNull() )
{
return;
}
break;
default:
break;
}
}
bool defaultSavedFlag = false;
errorMsg = mLayer->saveDefaultStyle( defaultSavedFlag );
if ( !defaultSavedFlag )
{
QMessageBox::warning( this, tr( "Default Style" ), errorMsg );
}
}
void QgsVectorLayerProperties::loadStyle_clicked()
{
QSettings myQSettings; // where we keep last used filter in persistent state
QString myLastUsedDir = myQSettings.value( QStringLiteral( "style/lastStyleDir" ), QDir::homePath() ).toString();
QString myFileName = QFileDialog::getOpenFileName( this, tr( "Load layer properties from style file" ), myLastUsedDir,
tr( "QGIS Layer Style File" ) + " (*.qml);;" + tr( "SLD File" ) + " (*.sld)" );
if ( myFileName.isNull() )
{
return;
}
mOldStyle = mLayer->styleManager()->style( mLayer->styleManager()->currentStyle() );
QString myMessage;
bool defaultLoadedFlag = false;
if ( myFileName.endsWith( QLatin1String( ".sld" ), Qt::CaseInsensitive ) )
{
// load from SLD
myMessage = mLayer->loadSldStyle( myFileName, defaultLoadedFlag );
}
else
{
myMessage = mLayer->loadNamedStyle( myFileName, defaultLoadedFlag );
}
//reset if the default style was loaded ok only
if ( defaultLoadedFlag )
{
syncToLayer();
}
else
{
//let the user know what went wrong
QMessageBox::warning( this, tr( "Load Style" ), myMessage );
}
QFileInfo myFI( myFileName );
QString myPath = myFI.path();
myQSettings.setValue( QStringLiteral( "style/lastStyleDir" ), myPath );
activateWindow(); // set focus back to properties dialog
}
void QgsVectorLayerProperties::saveStyleAs_clicked()
{
saveStyleAs( QML );
}
void QgsVectorLayerProperties::saveStyleAsMenuTriggered( QAction *action )
{
QMenu *menu = qobject_cast<QMenu *>( sender() );
if ( !menu )
return;
int index = mSaveAsMenu->actions().indexOf( action );
if ( index < 0 )
return;
saveStyleAs( static_cast< StyleType >( index ) );
}
void QgsVectorLayerProperties::saveStyleAs( StyleType styleType )
{
QSettings myQSettings; // where we keep last used filter in persistent state
QString myLastUsedDir = myQSettings.value( QStringLiteral( "style/lastStyleDir" ), QDir::homePath() ).toString();
if ( styleType == DB )
{
QString infoWindowTitle = QObject::tr( "Save style to DB (%1)" ).arg( mLayer->providerType() );
QString msgError;
QgsSaveStyleToDbDialog askToUser;
//Ask the user for a name and a description about the style
if ( askToUser.exec() == QDialog::Accepted )
{
QString styleName = askToUser.getName();
QString styleDesc = askToUser.getDescription();
QString uiFileContent = askToUser.getUIFileContent();
bool isDefault = askToUser.isDefault();
apply();
mLayer->saveStyleToDatabase( styleName, styleDesc, isDefault, uiFileContent, msgError );
if ( !msgError.isNull() )
{
QMessageBox::warning( this, infoWindowTitle, msgError );
}
else
{
QMessageBox::information( this, infoWindowTitle, tr( "Style saved" ) );
}
}
else
{
return;
}
}
else
{
QString format, extension;
if ( styleType == SLD )
{
format = tr( "SLD File" ) + " (*.sld)";
extension = QStringLiteral( ".sld" );
}
else
{
format = tr( "QGIS Layer Style File" ) + " (*.qml)";
extension = QStringLiteral( ".qml" );
}
QString myOutputFileName = QFileDialog::getSaveFileName( this, tr( "Save layer properties as style file" ),
myLastUsedDir, format );
if ( myOutputFileName.isNull() ) //dialog canceled
{
return;
}
apply(); // make sure the style to save is uptodate
QString myMessage;
bool defaultLoadedFlag = false;
//ensure the user never omitted the extension from the file name
if ( !myOutputFileName.endsWith( extension, Qt::CaseInsensitive ) )
{
myOutputFileName += extension;
}
if ( styleType == SLD )
{
// convert to SLD
myMessage = mLayer->saveSldStyle( myOutputFileName, defaultLoadedFlag );
}
else
{
myMessage = mLayer->saveNamedStyle( myOutputFileName, defaultLoadedFlag );
}
//reset if the default style was loaded ok only
if ( defaultLoadedFlag )
{
syncToLayer();
}
else
{
//let the user know what went wrong
QMessageBox::information( this, tr( "Saved Style" ), myMessage );
}
QFileInfo myFI( myOutputFileName );
QString myPath = myFI.path();
// Persist last used dir
myQSettings.setValue( QStringLiteral( "style/lastStyleDir" ), myPath );
}
}
void QgsVectorLayerProperties::loadStyleMenuTriggered( QAction *action )
{
QMenu *menu = qobject_cast<QMenu *>( sender() );
if ( !menu )
return;
int index = mLoadStyleMenu->actions().indexOf( action );
if ( index == 0 ) //Load from filesystem
{
loadStyle_clicked();
}
else if ( index == 1 ) //Load from database
{
showListOfStylesFromDatabase();
}
}
void QgsVectorLayerProperties::aboutToShowStyleMenu()
{
// this should be unified with QgsRasterLayerProperties::aboutToShowStyleMenu()
QMenu* m = qobject_cast<QMenu*>( sender() );
if ( !m )
return;
// first get rid of previously added style manager actions (they are dynamic)
bool gotFirstSeparator = false;
QList<QAction*> actions = m->actions();
for ( int i = 0; i < actions.count(); ++i )
{
if ( actions[i]->isSeparator() )
{
if ( gotFirstSeparator )
{
// remove all actions after second separator (including it)
while ( actions.count() != i )
delete actions.takeAt( i );
break;
}