QString QgsAttributeAction::expandAction( QString action, const QgsAttributeMap &attributes,
uint clickedOnValue )
{
// This function currently replaces all %% characters in the action
// with the value from values[clickedOnValue].second, and then
// searches for all strings that go %attribite_name, where
// attribute_name is found in values[x].first, and replaces any that
// it finds by values[s].second.
// Additional substitutions could include symbols for $CWD, $HOME,
// etc (and their OSX and Windows equivalents)
// This function will potentially fall apart if any of the
// substitutions produce text that could match another
// substitution. May be better to adopt a two pass approach - identify
// all matches and their substitutions and then do a second pass
// for the actual substitutions.
QString expanded_action;
if ( clickedOnValue >= 0 && attributes.contains( clickedOnValue ) )
expanded_action = action.replace( "%%", attributes[clickedOnValue].toString() );
else
expanded_action = action;
const QgsFieldMap &fields = mLayer->pendingFields();
for ( int i = 0; i < 4; i++ )
{
for ( QgsAttributeMap::const_iterator it = attributes.begin(); it != attributes.end(); it++ )
{
QgsFieldMap::const_iterator fit = fields.find( it.key() );
if ( fit == fields.constEnd() )
continue;
QString to_replace;
switch ( i )
{
case 0: to_replace = "[%" + fit->name() + "]"; break;
case 1: to_replace = "[%" + mLayer->attributeDisplayName( it.key() ) + "]"; break;
case 2: to_replace = "%" + fit->name(); break;
case 3: to_replace = "%" + mLayer->attributeDisplayName( it.key() ); break;
}
expanded_action = expanded_action.replace( to_replace, it.value().toString() );
}
}
return expanded_action;
}
void QgsLabelingGui::populateFieldNames()
{
const QgsFieldMap& fields = mLayer->pendingFields();
QgsFieldMap::const_iterator it = fields.constBegin();
for ( ; it != fields.constEnd(); it++ )
{
cboFieldName->addItem( it->name() );
}
}
int QgsLabelDialog::fieldIndexFromName( QString name )
{
const QgsFieldMap& fields = mLabel->fields();
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); ++it )
{
if ( it->name() == name )
return it.key();
}
return -1;
}
void SaQueryBuilder::populateFields()
{
for ( QgsFieldMap::const_iterator it = mLayer->pendingFields().begin(); it != mLayer->pendingFields().end(); it++ )
{
QStandardItem *myItem = new QStandardItem( it->name() );
myItem->setData( it.key() );
myItem->setEditable( false );
mModelFields->insertRow( mModelFields->rowCount(), myItem );
}
// All fields get ... setup
setupLstFieldsModel();
}
int QgsVectorDataProvider::fieldNameIndex( const QString& fieldName ) const
{
const QgsFieldMap &theFields = fields();
for ( QgsFieldMap::const_iterator it = theFields.constBegin(); it != theFields.constEnd(); ++it )
{
if ( QString::compare( it->name(), fieldName, Qt::CaseInsensitive ) == 0 )
{
return it.key();
}
}
return -1;
}
void QgsSearchQueryBuilder::populateFields()
{
if ( !mLayer )
return;
QgsDebugMsg( "entering." );
QRegExp reQuote( "[A-Za-z_][A-Za-z0-9_]*" );
const QgsFieldMap& fields = mLayer->pendingFields();
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); ++it )
{
QString fieldName = it->name();
mFieldMap[fieldName] = it.key();
if ( !reQuote.exactMatch( fieldName ) ) // quote if necessary
fieldName = QgsExpression::quotedColumnRef( fieldName );
QStandardItem *myItem = new QStandardItem( fieldName );
myItem->setEditable( false );
mModelFields->insertRow( mModelFields->rowCount(), myItem );
}
}
int QgsSymbol::readFieldName( QDomNode &synode, QString name, const QgsVectorLayer &vl )
{
QDomNode node = synode.namedItem( name + "name" );
if ( !node.isNull() )
{
const QgsFieldMap &fields = vl.pendingFields();
QString name = node.toElement().text();
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); it++ )
if ( it->name() == name )
return it.key();
return -1;
}
node = synode.namedItem( name );
return node.isNull() ? -1 : node.toElement().text().toInt();
}
//! @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()
void QgsSingleSymbolDialog::refreshMarkers()
{
QgsMarkerListModel *m = new QgsMarkerListModel( lstSymbols );
lstSymbols->setModel( m );
connect( lstSymbols->selectionModel(), SIGNAL( currentChanged( const QModelIndex &, const QModelIndex & ) ),
this, SLOT( symbolChanged( const QModelIndex &, const QModelIndex & ) ) );
// Find out the numerical fields of mVectorLayer, and populate the ComboBoxes
QgsVectorDataProvider *provider = mVectorLayer->dataProvider();
if ( provider )
{
const QgsFieldMap & fields = provider->fields();
QString str;
mRotationClassificationComboBox->addItem( DO_NOT_USE_STR, -1 );
mScaleClassificationComboBox->addItem( DO_NOT_USE_STR, -1 );
mSymbolComboBox->addItem( DO_NOT_USE_STR, -1 );
for ( QgsFieldMap::const_iterator it = fields.begin();
it != fields.end();
++it )
{
QVariant::Type type = ( *it ).type();
if ( type == QVariant::Int || type == QVariant::Double )
{
mRotationClassificationComboBox->addItem( it->name(), it.key() );
mScaleClassificationComboBox->addItem( it->name(), it.key() );
}
else if ( type == QVariant::String )
{
mSymbolComboBox->addItem( it->name(), it.key() );
}
}
}
else
{
QgsDebugMsg( "Warning, data provider is null" );
return;
}
//
//set outline / line style
//
cboOutlineStyle->addItem( QIcon( QgsSymbologyUtils::char2LinePixmap( "SolidLine" ) ), "", "SolidLine" );
cboOutlineStyle->addItem( QIcon( QgsSymbologyUtils::char2LinePixmap( "NoPen" ) ), tr( "None" ), "NoPen" );
cboOutlineStyle->addItem( QIcon( QgsSymbologyUtils::char2LinePixmap( "DashLine" ) ), "", "DashLine" );
cboOutlineStyle->addItem( QIcon( QgsSymbologyUtils::char2LinePixmap( "DotLine" ) ), "", "DotLine" );
cboOutlineStyle->addItem( QIcon( QgsSymbologyUtils::char2LinePixmap( "DashDotLine" ) ), "" , "DashDotLine" );
cboOutlineStyle->addItem( QIcon( QgsSymbologyUtils::char2LinePixmap( "DashDotDotLine" ) ), "", "DashDotDotLine" );
//
//set pattern icons and state
//
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "SolidPattern" ) ), "", "SolidPattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "NoBrush" ) ), tr( "None" ), "NoBrush" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "HorPattern" ) ), "", "HorPattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "VerPattern" ) ), "", "VerPattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "CrossPattern" ) ), "", "CrossPattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "BDiagPattern" ) ), "", "BDiagPattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "FDiagPattern" ) ), "", "FDiagPattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "DiagCrossPattern" ) ), "", "DiagCrossPattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "Dense1Pattern" ) ), "", "Dense1Pattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "Dense2Pattern" ) ), "", "Dense2Pattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "Dense3Pattern" ) ), "", "Dense3Pattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "Dense4Pattern" ) ), "", "Dense4Pattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "Dense5Pattern" ) ), "", "Dense5Pattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "Dense6Pattern" ) ), "", "Dense6Pattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "Dense7Pattern" ) ), "", "Dense7Pattern" );
cboFillStyle->addItem( QIcon( QgsSymbologyUtils::char2PatternPixmap( "TexturePattern" ) ), tr( "Texture" ), "TexturePattern" );
if ( mVectorLayer && mVectorLayer->geometryType() != QGis::Point )
{
mGroupPoint->setVisible( false );
mGroupPoint->setEnabled( false );
mGroupDrawingByField->setVisible( false );
mGroupDrawingByField->setEnabled( false );
}
if ( mDisabled )
{
unset();
}
else
{
if ( mVectorLayer )
{
const QgsSingleSymbolRenderer *renderer = dynamic_cast<const QgsSingleSymbolRenderer *>( mVectorLayer->renderer() );
if ( renderer )
{
// Set from the existing renderer
set( renderer->symbols().first() );
}
else
{
// Take values from an example instance
QgsSingleSymbolRenderer exampleRenderer = QgsSingleSymbolRenderer( mVectorLayer->geometryType() );
set( exampleRenderer.symbols().first() );
}
}
else
{
QgsDebugMsg( "Warning, layer is a null pointer" );
}
}
lstSymbols->blockSignals( false );
}
void QgsClipboard::replaceWithCopyOf( const QgsFieldMap& fields, QgsFeatureList& features )
{
// Replace the QGis clipboard.
mFeatureClipboard = features;
QgsDebugMsg( "replaced QGis clipboard." );
// Replace the system clipboard.
QStringList textLines;
QStringList textFields;
// first do the field names
textFields += "wkt_geom";
for ( QgsFieldMap::const_iterator fit = fields.begin(); fit != fields.end(); ++fit )
{
textFields += fit->name();
}
textLines += textFields.join( "\t" );
textFields.clear();
// then the field contents
for ( QgsFeatureList::iterator it = features.begin(); it != features.end(); ++it )
{
QgsAttributeMap attributes = it->attributeMap();
// TODO: Set up Paste Transformations to specify the order in which fields are added.
if ( it->geometry() )
textFields += it->geometry()->exportToWkt();
else
{
QSettings settings;
textFields += settings.value( "qgis/nullValue", "NULL" ).toString();
}
// QgsDebugMsg("about to traverse fields.");
//
for ( QgsAttributeMap::iterator it2 = attributes.begin(); it2 != attributes.end(); ++it2 )
{
// QgsDebugMsg(QString("inspecting field '%1'.").arg(it2->toString()));
textFields += it2->toString();
}
textLines += textFields.join( "\t" );
textFields.clear();
}
QString textCopy = textLines.join( "\n" );
QClipboard *cb = QApplication::clipboard();
// Copy text into the clipboard
// With qgis running under Linux, but with a Windows based X
// server (Xwin32), ::Selection was necessary to get the data into
// the Windows clipboard (which seems contrary to the Qt
// docs). With a Linux X server, ::Clipboard was required.
// The simple solution was to put the text into both clipboards.
// The ::Selection setText() below one may need placing inside so
// #ifdef so that it doesn't get compiled under Windows.
cb->setText( textCopy, QClipboard::Selection );
cb->setText( textCopy, QClipboard::Clipboard );
QgsDebugMsg( QString( "replaced system clipboard with: %1." ).arg( textCopy ) );
}
//! @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()