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qgsvectorlayerproperties.cpp
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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 "qgsaddjoindialog.h"
#include "qgsapplication.h"
#include "qgsattributeactiondialog.h"
#include "qgsapplydialog.h"
#include "qgscontexthelp.h"
#include "qgscoordinatetransform.h"
#include "qgsdiagramproperties.h"
#include "qgsdiagramrendererv2.h"
#include "qgsfieldcalculator.h"
#include "qgsfieldsproperties.h"
#include "qgslabeldialog.h"
#include "qgslabelinggui.h"
#include "qgslabel.h"
#include "qgslegenditem.h"
#include "qgsgenericprojectionselector.h"
#include "qgslogger.h"
#include "qgsmaplayerregistry.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 <QMessageBox>
#include <QDir>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QFontDialog>
#include <QSettings>
#include <QComboBox>
#include <QCheckBox>
#include <QHeaderView>
#include <QColorDialog>
#include "qgsrendererv2propertiesdialog.h"
#include "qgsstylev2.h"
#include "qgssymbologyv2conversion.h"
QgsVectorLayerProperties::QgsVectorLayerProperties(
QgsVectorLayer *lyr,
QWidget * parent,
Qt::WFlags fl
)
: QgsOptionsDialogBase( "VectorLayerProperties", parent, fl )
, layer( lyr )
, mMetadataFilled( false )
, mRendererDialog( 0 )
{
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 );
mMaximumScaleIconLabel->setPixmap( QgsApplication::getThemePixmap( "/mActionZoomIn.svg" ) );
mMinimumScaleIconLabel->setPixmap( QgsApplication::getThemePixmap( "/mActionZoomOut.svg" ) );
connect( buttonBox->button( QDialogButtonBox::Apply ), SIGNAL( clicked() ), this, SLOT( apply() ) );
connect( this, SIGNAL( accepted() ), this, SLOT( apply() ) );
connect( mOptionsStackedWidget, SIGNAL( currentChanged( int ) ), this, SLOT( mOptionsStackedWidget_CurrentChanged( int ) ) );
connect( insertFieldButton, SIGNAL( clicked() ), this, SLOT( insertField() ) );
connect( insertExpressionButton, SIGNAL( clicked() ), this, SLOT( insertExpression() ) );
// connections for Map Tip display
connect( htmlRadio, SIGNAL( toggled( bool ) ), htmlMapTip, SLOT( setEnabled( bool ) ) );
connect( htmlRadio, SIGNAL( toggled( bool ) ), insertFieldButton, SLOT( setEnabled( bool ) ) );
connect( htmlRadio, SIGNAL( toggled( bool ) ), fieldComboBox, SLOT( setEnabled( bool ) ) );
connect( htmlRadio, SIGNAL( toggled( bool ) ), insertExpressionButton, SLOT( setEnabled( bool ) ) );
connect( fieldComboRadio, SIGNAL( toggled( bool ) ), displayFieldComboBox, SLOT( setEnabled( bool ) ) );
QVBoxLayout *layout;
if ( layer->hasGeometryType() )
{
// Create the Labeling dialog tab
layout = new QVBoxLayout( labelingFrame );
layout->setMargin( 0 );
labelingDialog = new QgsLabelingGui( QgisApp::instance()->palLabeling(), layer, QgisApp::instance()->mapCanvas(), labelingFrame );
labelingDialog->layout()->setContentsMargins( -1, 0, -1, 0 );
layout->addWidget( labelingDialog );
labelingFrame->setLayout( layout );
// Create the Labeling (deprecated) dialog tab
layout = new QVBoxLayout( labelOptionsFrame );
layout->setMargin( 0 );
labelDialog = new QgsLabelDialog( layer->label(), labelOptionsFrame );
labelDialog->layout()->setMargin( 0 );
layout->addWidget( labelDialog );
labelOptionsFrame->setLayout( layout );
connect( labelDialog, SIGNAL( labelSourceSet() ), this, SLOT( setLabelCheckBox() ) );
}
else
{
labelingDialog = 0;
labelDialog = 0;
mOptsPage_Labels->setEnabled( false ); // disable labeling item
mOptsPage_LabelsOld->setEnabled( false ); // disable labeling (deprecated) item
}
// Create the Actions dialog tab
QVBoxLayout *actionLayout = new QVBoxLayout( actionOptionsFrame );
actionLayout->setMargin( 0 );
const QgsFields &fields = layer->pendingFields();
actionDialog = new QgsAttributeActionDialog( layer->actions(), fields, actionOptionsFrame );
actionDialog->layout()->setMargin( 0 );
actionLayout->addWidget( actionDialog );
// Create the menu for the save style button to choose the output format
mSaveAsMenu = new QMenu( pbnSaveStyleAs );
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 ( layer->dataProvider()->isSaveAndLoadStyleToDBSupported() )
{
//for loading
mLoadStyleMenu = new QMenu();
mLoadStyleMenu->addAction( tr( "Load from file" ) );
mLoadStyleMenu->addAction( tr( "Load from database" ) );
pbnLoadStyle->setContextMenuPolicy( Qt::PreventContextMenu );
pbnLoadStyle->setMenu( mLoadStyleMenu );
QObject::connect( mLoadStyleMenu, SIGNAL( triggered( QAction * ) ),
this, SLOT( loadStyleMenuTriggered( QAction * ) ) ) ;
//for saving
mSaveAsMenu->addAction( tr( "Save in database (%1)" ).arg( layer->providerType() ) );
}
QObject::connect( mSaveAsMenu, SIGNAL( triggered( QAction * ) ),
this, SLOT( saveStyleAsMenuTriggered( QAction * ) ) );
mFieldsPropertiesDialog = new QgsFieldsProperties( layer, 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 ( layer->dataProvider() )//enable spatial index button group if supported by provider
{
int capabilities = layer->dataProvider()->capabilities();
if ( !( capabilities & QgsVectorDataProvider::CreateSpatialIndex ) )
{
pbnIndex->setEnabled( false );
}
if ( capabilities & QgsVectorDataProvider::SelectEncoding )
{
cboProviderEncoding->addItems( QgsVectorDataProvider::availableEncodings() );
QString enc = layer->dataProvider()->encoding();
int encindex = cboProviderEncoding->findText( enc );
if ( encindex < 0 )
{
cboProviderEncoding->insertItem( 0, enc );
encindex = 0;
}
cboProviderEncoding->setCurrentIndex( encindex );
}
else if ( layer->dataProvider()->name() == "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( layer->dataProvider()->encoding() );
cboProviderEncoding->setEnabled( false );
}
else
{
// other providers do not use mEncoding, so hide the group completely
mDataSourceEncodingFrame->hide();
}
}
leSpatialRefSys->setText( layer->crs().authid() + " - " + layer->crs().description() );
leSpatialRefSys->setCursorPosition( 0 );
//insert existing join info
const QList< QgsVectorJoinInfo >& joins = layer->vectorJoins();
for ( int i = 0; i < joins.size(); ++i )
{
addJoinToTreeWidget( joins[i] );
}
diagramPropertiesDialog = new QgsDiagramProperties( layer, mDiagramFrame );
diagramPropertiesDialog->layout()->setMargin( 0 );
mDiagramFrame->setLayout( new QVBoxLayout( mDiagramFrame ) );
mDiagramFrame->layout()->setMargin( 0 );
mDiagramFrame->layout()->addWidget( diagramPropertiesDialog );
//layer title and abstract
if ( layer )
{
mLayerTitleLineEdit->setText( layer->title() );
mLayerAbstractTextEdit->setPlainText( layer->abstract() );
mLayerKeywordListLineEdit->setText( layer->keywordList() );
mLayerDataUrlLineEdit->setText( layer->dataUrl() );
mLayerDataUrlFormatComboBox->setCurrentIndex(
mLayerDataUrlFormatComboBox->findText(
layer->dataUrlFormat()
)
);
//layer attribution and metadataUrl
mLayerAttributionLineEdit->setText( layer->attribution() );
mLayerAttributionUrlLineEdit->setText( layer->attributionUrl() );
mLayerMetadataUrlLineEdit->setText( layer->metadataUrl() );
mLayerMetadataUrlTypeComboBox->setCurrentIndex(
mLayerMetadataUrlTypeComboBox->findText(
layer->metadataUrlType()
)
);
mLayerMetadataUrlFormatComboBox->setCurrentIndex(
mLayerMetadataUrlFormatComboBox->findText(
layer->metadataUrlFormat()
)
);
}
setWindowTitle( tr( "Layer Properties - %1" ).arg( layer->name() ) );
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( QString( "/Windows/VectorLayerProperties/tab" ) ) )
{
settings.setValue( QString( "/Windows/VectorLayerProperties/tab" ),
mOptStackedWidget->indexOf( mOptsPage_Style ) );
}
restoreOptionsBaseUi();
} // QgsVectorLayerProperties ctor
QgsVectorLayerProperties::~QgsVectorLayerProperties()
{
if ( mOptsPage_LabelsOld && labelDialog && layer->hasGeometryType() )
{
disconnect( labelDialog, SIGNAL( labelSourceSet() ), this, SLOT( setLabelCheckBox() ) );
}
}
void QgsVectorLayerProperties::toggleEditing()
{
emit toggleEditing( layer );
pbnQueryBuilder->setEnabled( layer && layer->dataProvider() && layer->dataProvider()->supportsSubsetString() &&
!layer->isEditable() && layer->vectorJoins().size() < 1 );
if ( layer->isEditable() )
{
pbnQueryBuilder->setToolTip( tr( "Stop editing mode to enable this." ) );
}
}
void QgsVectorLayerProperties::setLabelCheckBox()
{
labelCheckBox->setCheckState( Qt::Checked );
}
void QgsVectorLayerProperties::insertField()
{
// Convert the selected field to an expression and
// insert it into the action at the cursor position
if ( !fieldComboBox->currentText().isNull() )
{
QString field = "[% \"";
field += fieldComboBox->currentText();
field += "\" %]";
htmlMapTip->insertPlainText( field );
}
}
void QgsVectorLayerProperties::insertExpression()
{
QString selText = htmlMapTip->textCursor().selectedText();
// edit the selected expression if there's one
if ( selText.startsWith( "[%" ) && selText.endsWith( "%]" ) )
selText = selText.mid( 2, selText.size() - 4 );
// display the expression builder
QgsExpressionBuilderDialog dlg( layer , selText, this );
dlg.setWindowTitle( tr( "Insert expression" ) );
if ( dlg.exec() == QDialog::Accepted )
{
QString expression = dlg.expressionBuilder()->expressionText();
//Only add the expression if the user has entered some text.
if ( !expression.isEmpty() )
{
htmlMapTip->insertPlainText( "[%" + expression + "%]" );
}
}
}
void QgsVectorLayerProperties::setDisplayField( QString name )
{
int idx = displayFieldComboBox->findText( name );
if ( idx == -1 )
{
htmlRadio->setChecked( true );
htmlMapTip->setPlainText( name );
}
else
{
fieldComboRadio->setChecked( true );
displayFieldComboBox->setCurrentIndex( idx );
}
}
//! @note in raster props, this method is called sync()
void QgsVectorLayerProperties::syncToLayer( void )
{
// populate the general information
mLayerOrigNameLineEdit->setText( layer->originalName() );
txtDisplayName->setText( layer->name() );
txtLayerSource->setText( layer->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
grpSubset->setEnabled( true );
txtSubsetSQL->setText( layer->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 );
pbnQueryBuilder->setEnabled( layer && layer->dataProvider() && layer->dataProvider()->supportsSubsetString() &&
!layer->isEditable() && layer->vectorJoins().size() < 1 );
if ( layer->isEditable() )
{
pbnQueryBuilder->setToolTip( tr( "Stop editing mode to enable this." ) );
}
//get field list for display field combo
const QgsFields& myFields = layer->pendingFields();
for ( int idx = 0; idx < myFields.count(); ++idx )
{
displayFieldComboBox->addItem( myFields[idx].name() );
fieldComboBox->addItem( myFields[idx].name() );
}
setDisplayField( layer-> displayField() );
// set up the scale based layer visibility stuff....
chkUseScaleDependentRendering->setChecked( layer->hasScaleBasedVisibility() );
bool projectScales = QgsProject::instance()->readBoolEntry( "Scales", "/useProjectScales" );
if ( projectScales )
{
QStringList scalesList = QgsProject::instance()->readListEntry( "Scales", "/ScalesList" );
cbMinimumScale->updateScales( scalesList );
cbMaximumScale->updateScales( scalesList );
}
cbMinimumScale->setScale( 1.0 / layer->minimumScale() );
cbMaximumScale->setScale( 1.0 / layer->maximumScale() );
// get simplify drawing configuration
const QgsVectorSimplifyMethod& simplifyMethod = layer->simplifyMethod();
mSimplifyDrawingGroupBox->setChecked( simplifyMethod.simplifyHints() != QgsVectorLayer::NoSimplification );
mSimplifyDrawingSpinBox->setValue( simplifyMethod.threshold() );
if ( !( layer->dataProvider()->capabilities() & QgsVectorDataProvider::SimplifyGeometries ) )
{
mSimplifyDrawingAtProvider->setChecked( false );
mSimplifyDrawingAtProvider->setEnabled( false );
mSimplifyDrawingAtProvider->setText( QString( "%1 (%2)" ).arg( mSimplifyDrawingAtProvider->text(), tr( "Not supported" ) ) );
}
else
{
mSimplifyDrawingAtProvider->setChecked( !simplifyMethod.forceLocalOptimization() );
mSimplifyDrawingAtProvider->setEnabled( mSimplifyDrawingGroupBox->isChecked() );
}
// load appropriate symbology page (V1 or V2)
updateSymbologyPage();
actionDialog->init();
// reset fields in label dialog
layer->label()->setFields( layer->pendingFields() );
if ( layer->hasGeometryType() )
{
labelingDialog->init();
}
if ( mOptsPage_LabelsOld )
{
if ( labelDialog && layer->hasGeometryType() )
{
labelDialog->init();
}
labelCheckBox->setChecked( layer->hasLabelsEnabled() );
labelOptionsFrame->setEnabled( layer->hasLabelsEnabled() );
QObject::connect( labelCheckBox, SIGNAL( clicked( bool ) ), this, SLOT( enableLabelOptions( bool ) ) );
}
mFieldsPropertiesDialog->init();
if ( layer->hasLabelsEnabled() )
{
// though checked on projectRead, can reoccur after applying a style with enabled deprecated labels
// otherwise, the deprecated labels will render, but the tab to disable them will not show up
QgsProject::instance()->writeEntry( "DeprecatedLabels", "/Enabled", true );
// (this also overrides any '/Enabled, false' project property the user may have manually set)
}
// delete deprecated labels tab if not already used by project
// NOTE: this is not ideal, but a quick fix for QGIS 2.0 release
bool ok;
bool dl = QgsProject::instance()->readBoolEntry( "DeprecatedLabels", "/Enabled", false, &ok );
if ( !ok || ( ok && !dl ) ) // project not flagged or set to use deprecated labels
{
if ( mOptsPage_LabelsOld )
{
if ( labelDialog )
{
disconnect( labelDialog, SIGNAL( labelSourceSet() ), this, SLOT( setLabelCheckBox() ) );
}
delete mOptsPage_LabelsOld;
mOptsPage_LabelsOld = 0;
}
}
} // syncToLayer()
void QgsVectorLayerProperties::apply()
{
if ( labelingDialog )
{
labelingDialog->writeSettingsToLayer();
}
//
// Set up sql subset query if applicable
//
grpSubset->setEnabled( true );
if ( txtSubsetSQL->toPlainText() != layer->subsetString() )
{
// set the subset sql for the layer
layer->setSubsetString( txtSubsetSQL->toPlainText() );
mMetadataFilled = false;
}
// set up the scale based layer visibility stuff....
layer->toggleScaleBasedVisibility( chkUseScaleDependentRendering->isChecked() );
layer->setMinimumScale( 1.0 / cbMinimumScale->scale() );
layer->setMaximumScale( 1.0 / cbMaximumScale->scale() );
// provider-specific options
if ( layer->dataProvider() )
{
if ( layer->dataProvider()->capabilities() & QgsVectorDataProvider::SelectEncoding )
{
layer->setProviderEncoding( cboProviderEncoding->currentText() );
}
}
// update the display field
if ( htmlRadio->isChecked() )
{
layer->setDisplayField( htmlMapTip->toPlainText() );
}
if ( fieldComboRadio->isChecked() )
{
layer->setDisplayField( displayFieldComboBox->currentText() );
}
actionDialog->apply();
if ( mOptsPage_LabelsOld )
{
if ( labelDialog )
{
labelDialog->apply();
}
layer->enableLabels( labelCheckBox->isChecked() );
}
layer->setLayerName( mLayerOrigNameLineEdit->text() );
// Apply fields settings
mFieldsPropertiesDialog->apply();
if ( layer->rendererV2() )
{
QgsRendererV2PropertiesDialog* dlg = static_cast<QgsRendererV2PropertiesDialog*>( widgetStackRenderers->currentWidget() );
dlg->apply();
}
//apply diagram settings
diagramPropertiesDialog->apply();
//layer title and abstract
layer->setTitle( mLayerTitleLineEdit->text() );
layer->setAbstract( mLayerAbstractTextEdit->toPlainText() );
layer->setKeywordList( mLayerKeywordListLineEdit->text() );
layer->setDataUrl( mLayerDataUrlLineEdit->text() );
layer->setDataUrlFormat( mLayerDataUrlFormatComboBox->currentText() );
//layer attribution and metadataUrl
layer->setAttribution( mLayerAttributionLineEdit->text() );
layer->setAttributionUrl( mLayerAttributionUrlLineEdit->text() );
layer->setMetadataUrl( mLayerMetadataUrlLineEdit->text() );
layer->setMetadataUrlType( mLayerMetadataUrlTypeComboBox->currentText() );
layer->setMetadataUrlFormat( mLayerMetadataUrlFormatComboBox->currentText() );
//layer simplify drawing configuration
int simplifyHints = QgsVectorLayer::NoSimplification;
if ( mSimplifyDrawingGroupBox->isChecked() )
{
simplifyHints |= QgsVectorLayer::GeometrySimplification;
if ( mSimplifyDrawingSpinBox->value() > 1 ) simplifyHints |= QgsVectorLayer::AntialiasingSimplification;
}
QgsVectorSimplifyMethod simplifyMethod = layer->simplifyMethod();
simplifyMethod.setSimplifyHints( simplifyHints );
simplifyMethod.setThreshold( mSimplifyDrawingSpinBox->value() );
simplifyMethod.setForceLocalOptimization( !mSimplifyDrawingAtProvider->isChecked() );
layer->setSimplifyMethod( simplifyMethod );
// update symbology
emit refreshLegend( layer->id(), QgsLegendItem::DontChange );
//no need to delete the old one, maplayer will do it if needed
layer->setCacheImage( 0 );
layer->triggerRepaint();
// notify the project we've made a change
QgsProject::instance()->dirty( true );
}
void QgsVectorLayerProperties::on_pbnQueryBuilder_clicked()
{
// launch the query builder
QgsQueryBuilder *qb = new QgsQueryBuilder( layer, 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 = layer->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 layer->metadata();
}
void QgsVectorLayerProperties::on_mLayerOrigNameLineEdit_textEdited( const QString& text )
{
txtDisplayName->setText( layer->capitaliseLayerName( text ) );
}
void QgsVectorLayerProperties::on_pbnChangeSpatialRefSys_clicked()
{
QgsGenericProjectionSelector * mySelector = new QgsGenericProjectionSelector( this );
mySelector->setMessage();
mySelector->setSelectedCrsId( layer->crs().srsid() );
if ( mySelector->exec() )
{
QgsCoordinateReferenceSystem srs( mySelector->selectedCrsId(), QgsCoordinateReferenceSystem::InternalCrsId );
layer->setCrs( srs );
}
else
{
QApplication::restoreOverrideCursor();
}
delete mySelector;
leSpatialRefSys->setText( layer->crs().authid() + " - " + layer->crs().description() );
leSpatialRefSys->setCursorPosition( 0 );
}
void QgsVectorLayerProperties::on_pbnLoadDefaultStyle_clicked()
{
QString msg;
bool defaultLoadedFlag = false;
if ( layer->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;
break;
case( 2 ):
msg = layer->loadNamedStyle( layer->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;
break;
default:
break;
}
}
QString myMessage = layer->loadNamedStyle( layer->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::on_pbnSaveDefaultStyle_clicked()
{
apply();
QString errorMsg;
if ( layer->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;
break;
case( 2 ):
layer->saveStyleToDatabase( "", "", true, "", errorMsg );
if ( errorMsg.isNull() )
{
return;
}
break;
default:
break;
}
}
bool defaultSavedFlag = false;
errorMsg = layer->saveDefaultStyle( defaultSavedFlag );
if ( !defaultSavedFlag )
{
QMessageBox::warning( this, tr( "Default Style" ), errorMsg );
}
}
void QgsVectorLayerProperties::on_pbnLoadStyle_clicked()
{
QSettings myQSettings; // where we keep last used filter in persistent state
QString myLastUsedDir = myQSettings.value( "style/lastStyleDir", "." ).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;
}
QString myMessage;
bool defaultLoadedFlag = false;
if ( myFileName.endsWith( ".sld", Qt::CaseInsensitive ) )
{
// load from SLD
myMessage = layer->loadSldStyle( myFileName, defaultLoadedFlag );
}
else
{
myMessage = layer->loadNamedStyle( myFileName, 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( "Load Style" ), myMessage );
}
QFileInfo myFI( myFileName );
QString myPath = myFI.path();
myQSettings.setValue( "style/lastStyleDir", myPath );
activateWindow(); // set focus back to properties dialog
}
void QgsVectorLayerProperties::on_pbnSaveStyleAs_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(( StyleType ) index );
}
void QgsVectorLayerProperties::saveStyleAs( StyleType styleType )
{
QSettings myQSettings; // where we keep last used filter in persistent state
QString myLastUsedDir = myQSettings.value( "style/lastStyleDir", "." ).toString();
QString format, extension;
if ( styleType == DB )
{
QString infoWindowTitle = QObject::tr( "Save style to DB (%1)" ).arg( layer->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();
layer->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 = ".sld";
}
else
{
format = tr( "QGIS Layer Style File" ) + " (*.qml)";
extension = ".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 = layer->saveSldStyle( myOutputFileName, defaultLoadedFlag );
}
else
{
myMessage = layer->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( "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
{
this->on_pbnLoadStyle_clicked();
}
else if ( index == 1 ) //Load from database
{
this->showListOfStylesFromDatabase();
}
}
void QgsVectorLayerProperties::showListOfStylesFromDatabase()
{
QString errorMsg;
QStringList ids, names, descriptions;
//get the list of styles in the db
int sectionLimit = layer->listStylesInDatabase( ids, names, descriptions, errorMsg );
if ( !errorMsg.isNull() )
{
QMessageBox::warning( this, tr( "Error occured retrieving styles from database" ), errorMsg );
return;
}
QgsLoadStyleFromDBDialog dialog;
dialog.initializeLists( ids, names, descriptions, sectionLimit );
if ( dialog.exec() == QDialog::Accepted )
{
QString selectedStyleId = dialog.getSelectedStyleId();
QString qmlStyle = layer->getStyleFromDatabase( selectedStyleId, errorMsg );
if ( !errorMsg.isNull() )
{
QMessageBox::warning( this, tr( "Error occured retrieving styles from database" ), errorMsg );
return;
}
if ( layer->applyNamedStyle( qmlStyle, errorMsg ) )
{
syncToLayer();
}
else
{
QMessageBox::warning( this, tr( "Error occured retrieving styles from database" ),
tr( "The retrieved style is not a valid named style. Error message: %1" )
.arg( errorMsg ) );
}
}
}
void QgsVectorLayerProperties::on_mButtonAddJoin_clicked()
{
QgsAddJoinDialog d( layer );
if ( d.exec() == QDialog::Accepted )
{
QgsVectorJoinInfo info;
info.targetFieldName = d.targetFieldName();
info.joinLayerId = d.joinedLayerId();
info.joinFieldName = d.joinFieldName();
info.memoryCache = d.cacheInMemory();
if ( layer )
{
//create attribute index if possible
if ( d.createAttributeIndex() )
{
QgsVectorLayer* joinLayer = qobject_cast<QgsVectorLayer*>( QgsMapLayerRegistry::instance()->mapLayer( info.joinLayerId ) );
if ( joinLayer )
{
joinLayer->dataProvider()->createAttributeIndex( joinLayer->pendingFields().indexFromName( info.joinFieldName ) );
}
}
layer->addJoin( info );
addJoinToTreeWidget( info );
pbnQueryBuilder->setEnabled( layer && layer->dataProvider() && layer->dataProvider()->supportsSubsetString() &&
!layer->isEditable() && layer->vectorJoins().size() < 1 );
}
mFieldsPropertiesDialog->init();
}
}
void QgsVectorLayerProperties::addJoinToTreeWidget( const QgsVectorJoinInfo& join )
{
QTreeWidgetItem* joinItem = new QTreeWidgetItem();
QgsVectorLayer* joinLayer = qobject_cast<QgsVectorLayer*>( QgsMapLayerRegistry::instance()->mapLayer( join.joinLayerId ) );
if ( !layer || !joinLayer )