void QgsVectorLayerProperties::editingToggled()
{
if ( !layer->isEditable() )
loadRows();
updateButtons();
}
void QgsVectorLayerProperties::on_mButtonAddJoin_clicked()
{
QgsAddJoinDialog d( layer );
if ( d.exec() == QDialog::Accepted )
{
QgsVectorJoinInfo info;
info.targetField = d.targetField();
info.joinLayerId = d.joinedLayerId();
info.joinField = d.joinField();
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( info.joinField );
}
}
layer->addJoin( info );
loadRows(); //update attribute tab
addJoinToTreeWidget( info );
pbnQueryBuilder->setEnabled( layer && layer->dataProvider() && layer->dataProvider()->supportsSubsetString() &&
!layer->isEditable() && layer->vectorJoins().size() < 1 );
}
}
}
void QgsVectorLayerProperties::on_mButtonRemoveJoin_clicked()
{
QTreeWidgetItem* currentJoinItem = mJoinTreeWidget->currentItem();
if ( !layer || !currentJoinItem )
{
return;
}
layer->removeJoin( currentJoinItem->data( 0, Qt::UserRole ).toString() );
loadRows();
mJoinTreeWidget->takeTopLevelItem( mJoinTreeWidget->indexOfTopLevelItem( currentJoinItem ) );
pbnQueryBuilder->setEnabled( layer && layer->dataProvider() && layer->dataProvider()->supportsSubsetString() &&
!layer->isEditable() && layer->vectorJoins().size() < 1 );
}
//! @note in raster props, this method is called sync()
void QgsVectorLayerProperties::reset( void )
{
QObject::disconnect( tblAttributes, SIGNAL( cellChanged( int, int ) ), this, SLOT( on_tblAttributes_cellChanged( int, int ) ) );
// populate the general information
txtDisplayName->setText( layer->name() );
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 QgsFieldMap& myFields = layer->pendingFields();
for ( QgsFieldMap::const_iterator it = myFields.begin(); it != myFields.end(); ++it )
{
displayFieldComboBox->addItem( it->name() );
fieldComboBox->addItem( it->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() );
// symbology initialization
if ( legendtypecombobox->count() == 0 )
{
legendtypecombobox->addItem( tr( "Single Symbol" ) );
if ( myFields.size() > 0 )
{
legendtypecombobox->addItem( tr( "Graduated Symbol" ) );
legendtypecombobox->addItem( tr( "Continuous Color" ) );
legendtypecombobox->addItem( tr( "Unique Value" ) );
}
}
// load appropriate symbology page (V1 or V2)
updateSymbologyPage();
// reset fields in label dialog
layer->label()->setFields( layer->pendingFields() );
actionDialog->init();
if ( layer->hasGeometryType() )
{
labelDialog->init();
}
labelCheckBox->setChecked( layer->hasLabelsEnabled() );
labelOptionsFrame->setEnabled( layer->hasLabelsEnabled() );
//set the transparency slider
sliderTransparency->setValue( 255 - layer->getTransparency() );
//update the transparency percentage label
sliderTransparency_valueChanged( 255 - layer->getTransparency() );
loadRows();
QObject::connect( tblAttributes, SIGNAL( cellChanged( int, int ) ), this, SLOT( on_tblAttributes_cellChanged( int, int ) ) );
QObject::connect( labelCheckBox, SIGNAL( clicked( bool ) ), this, SLOT( enableLabelOptions( bool ) ) );
} // reset()
//! @note in raster props, this method is called sync()
void QgsVectorLayerProperties::reset( void )
{
// populate the general information
txtDisplayName->setText( layer->name() );
pbnQueryBuilder->setWhatsThis( tr( "This button opens the PostgreSQL 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. This is currently only supported for PostgreSQL "
"layers. To enter or modify the query, click on the Query Builder button" ) );
//see if we are dealing with a pg layer here
if ( layer->providerType() == "postgres" )
{
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( true );
}
else
{
grpSubset->setEnabled( false );
}
//get field list for display field combo
const QgsFieldMap& myFields = layer->pendingFields();
for ( QgsFieldMap::const_iterator it = myFields.begin(); it != myFields.end(); ++it )
{
displayFieldComboBox->addItem( it->name() );
}
displayFieldComboBox->setCurrentIndex( displayFieldComboBox->findText(
layer->displayField() ) );
// set up the scale based layer visibility stuff....
chkUseScaleDependentRendering->setChecked( layer->hasScaleBasedVisibility() );
spinMinimumScale->setValue(( int )layer->minimumScale() );
spinMaximumScale->setValue(( int )layer->maximumScale() );
// symbology initialization
if ( legendtypecombobox->count() == 0 )
{
legendtypecombobox->addItem( tr( "Single Symbol" ) );
if ( myFields.size() > 0 )
{
legendtypecombobox->addItem( tr( "Graduated Symbol" ) );
legendtypecombobox->addItem( tr( "Continuous Color" ) );
legendtypecombobox->addItem( tr( "Unique Value" ) );
}
}
//find out the type of renderer in the vectorlayer, create a dialog with these settings and add it to the form
delete mRendererDialog;
mRendererDialog = 0;
QString rtype = layer->renderer()->name();
if ( rtype == "Single Symbol" )
{
mRendererDialog = new QgsSingleSymbolDialog( layer );
legendtypecombobox->setCurrentIndex( 0 );
}
else if ( rtype == "Graduated Symbol" )
{
mRendererDialog = new QgsGraduatedSymbolDialog( layer );
legendtypecombobox->setCurrentIndex( 1 );
}
else if ( rtype == "Continuous Color" )
{
mRendererDialog = new QgsContinuousColorDialog( layer );
legendtypecombobox->setCurrentIndex( 2 );
}
else if ( rtype == "Unique Value" )
{
mRendererDialog = new QgsUniqueValueDialog( layer );
legendtypecombobox->setCurrentIndex( 3 );
}
if ( mRendererDialog )
{
widgetStackRenderers->addWidget( mRendererDialog );
widgetStackRenderers->setCurrentWidget( mRendererDialog );
}
QObject::connect( legendtypecombobox, SIGNAL( activated( const QString & ) ), this,
SLOT( alterLayerDialog( const QString & ) ) );
// reset fields in label dialog
layer->label()->setFields( layer->pendingFields() );
//set the metadata contents
QString myStyle = QgsApplication::reportStyleSheet();
teMetadata->clear();
teMetadata->document()->setDefaultStyleSheet( myStyle );
teMetadata->setHtml( metadata() );
actionDialog->init();
labelDialog->init();
labelCheckBox->setChecked( layer->hasLabelsEnabled() );
labelOptionsFrame->setEnabled ( layer->hasLabelsEnabled() );
//set the transparency slider
sliderTransparency->setValue( 255 - layer->getTransparency() );
//update the transparency percentage label
sliderTransparency_valueChanged( 255 - layer->getTransparency() );
loadRows();
} // reset()