void QgsVectorLayerProperties::loadRows()
{
const QgsFieldMap &fields = layer->pendingFields();
tblAttributes->clear();
tblAttributes->setColumnCount( 8 );
tblAttributes->setRowCount( fields.size() );
tblAttributes->setHorizontalHeaderItem( 0, new QTableWidgetItem( tr( "id" ) ) );
tblAttributes->setHorizontalHeaderItem( 1, new QTableWidgetItem( tr( "name" ) ) );
tblAttributes->setHorizontalHeaderItem( 2, new QTableWidgetItem( tr( "type" ) ) );
tblAttributes->setHorizontalHeaderItem( 3, new QTableWidgetItem( tr( "length" ) ) );
tblAttributes->setHorizontalHeaderItem( 4, new QTableWidgetItem( tr( "precision" ) ) );
tblAttributes->setHorizontalHeaderItem( 5, new QTableWidgetItem( tr( "comment" ) ) );
tblAttributes->setHorizontalHeaderItem( 6, new QTableWidgetItem( tr( "edit widget" ) ) );
tblAttributes->setHorizontalHeaderItem( 7, new QTableWidgetItem( tr( "values" ) ) );
tblAttributes->setSelectionBehavior( QAbstractItemView::SelectRows );
tblAttributes->setSelectionMode( QAbstractItemView::MultiSelection );
int row = 0;
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); it++, row++ )
setRow( row, it.key(), it.value() );
tblAttributes->resizeColumnsToContents();
}
bool QgsZonalStatisticsDialog::prefixIsValid( const QString& prefix ) const
{
QgsVectorLayer* vl = polygonLayer();
if ( !vl )
{
return false;
}
QgsVectorDataProvider* dp = vl->dataProvider();
if ( !dp )
{
return false;
}
QgsFieldMap providerFieldMap = dp->fields();
QgsFieldMap::const_iterator it = providerFieldMap.constBegin();
QString currentFieldName;
for ( ; it != providerFieldMap.constEnd(); ++it )
{
currentFieldName = it.value().name();
if ( currentFieldName == ( prefix + "mean" ) || currentFieldName == ( prefix + "sum" ) || currentFieldName == ( prefix + "count" ) )
{
return false;
}
}
return true;
}
void QgsVectorLayerProperties::loadRows()
{
QObject::disconnect( tblAttributes, SIGNAL( cellChanged( int, int ) ), this, SLOT( on_tblAttributes_cellChanged( int, int ) ) );
const QgsFieldMap &fields = layer->pendingFields();
tblAttributes->clear();
tblAttributes->setColumnCount( attrColCount );
tblAttributes->setRowCount( fields.size() );
tblAttributes->setHorizontalHeaderItem( attrIdCol, new QTableWidgetItem( tr( "Id" ) ) );
tblAttributes->setHorizontalHeaderItem( attrNameCol, new QTableWidgetItem( tr( "Name" ) ) );
tblAttributes->setHorizontalHeaderItem( attrTypeCol, new QTableWidgetItem( tr( "Type" ) ) );
tblAttributes->setHorizontalHeaderItem( attrLengthCol, new QTableWidgetItem( tr( "Length" ) ) );
tblAttributes->setHorizontalHeaderItem( attrPrecCol, new QTableWidgetItem( tr( "Precision" ) ) );
tblAttributes->setHorizontalHeaderItem( attrCommentCol, new QTableWidgetItem( tr( "Comment" ) ) );
tblAttributes->setHorizontalHeaderItem( attrEditTypeCol, new QTableWidgetItem( tr( "Edit widget" ) ) );
tblAttributes->setHorizontalHeaderItem( attrAliasCol, new QTableWidgetItem( tr( "Alias" ) ) );
tblAttributes->horizontalHeader()->setResizeMode( 1, QHeaderView::Stretch );
tblAttributes->horizontalHeader()->setResizeMode( 7, QHeaderView::Stretch );
tblAttributes->setSelectionBehavior( QAbstractItemView::SelectRows );
tblAttributes->setSelectionMode( QAbstractItemView::ExtendedSelection );
tblAttributes->verticalHeader()->hide();
int row = 0;
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); it++, row++ )
setRow( row, it.key(), it.value() );
tblAttributes->resizeColumnsToContents();
QObject::connect( tblAttributes, SIGNAL( cellChanged( int, int ) ), this, SLOT( on_tblAttributes_cellChanged( int, int ) ) );
}
void RgLineVectorLayerSettingsWidget::on_mcbLayers_selectItem()
{
mcbDirection->clear();
mcbSpeed->clear();
mcbDirection->insertItem( 0, tr( "Always use default" ) );
mcbSpeed->insertItem( 0, tr( "Always use default" ) );
QgsVectorLayer* vl = selectedLayer();
if ( !vl )
return;
QgsVectorDataProvider* provider = vl->dataProvider();
if ( !provider )
return;
const QgsFieldMap& fields = provider->fields();
QgsFieldMap::const_iterator it;
for ( it = fields.constBegin(); it != fields.constEnd(); ++it )
{
QgsField currentField = it.value();
QVariant currentType = currentField.type();
if ( currentType == QVariant::Int || currentType == QVariant::String )
{
mcbDirection->insertItem( 1, currentField.name() );
}
if ( currentType == QVariant::Int || currentType == QVariant::Double )
{
mcbSpeed->insertItem( 1, currentField.name() );
}
}
} // RgDSettingsDlg::on_mcbLayers_selectItem()
int QgsLegendModel::addVectorLayerItems( QStandardItem* layerItem, QgsVectorLayer* vlayer )
{
if ( !layerItem || !vlayer )
{
return 1;
}
int opacity = vlayer->getTransparency();
const QgsRenderer* vectorRenderer = vlayer->renderer();
if ( !vectorRenderer )
{
return 3;
}
//text field that describes classification attribute?
QSettings settings;
if ( settings.value( "/qgis/showLegendClassifiers", false ).toBool() )
{
QgsFieldMap layerFields = vlayer->pendingFields();
QgsAttributeList attributes = vectorRenderer->classificationAttributes();
QgsAttributeList::const_iterator att_it = attributes.constBegin();
for ( ; att_it != attributes.constEnd(); ++att_it )
{
QgsFieldMap::const_iterator fieldIt = layerFields.find( *att_it );
if ( fieldIt != layerFields.constEnd() )
{
QString attributeName = vlayer->attributeDisplayName( fieldIt.key() );
QStandardItem* attributeItem = new QStandardItem( attributeName );
attributeItem->setData( QgsLegendModel::ClassificationItem, Qt::UserRole + 1 ); //first user data stores the item type
attributeItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable );
layerItem->setChild( layerItem->rowCount(), 0, attributeItem );
}
}
}
const QList<QgsSymbol*> vectorSymbols = vectorRenderer->symbols();
QList<QgsSymbol*>::const_iterator symbolIt = vectorSymbols.constBegin();
for ( ; symbolIt != vectorSymbols.constEnd(); ++symbolIt )
{
if ( !( *symbolIt ) )
{
continue;
}
QStandardItem* currentSymbolItem = itemFromSymbol( *symbolIt, opacity, vlayer->id() );
if ( !currentSymbolItem )
{
continue;
}
layerItem->setChild( layerItem->rowCount(), 0, currentSymbolItem );
}
return 0;
}
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 QgsLabelingGui::populateDataDefinedCombos( QgsPalLayerSettings& s )
{
QList<QComboBox*> comboList;
comboList << mSizeAttributeComboBox;
comboList << mColorAttributeComboBox;
comboList << mBoldAttributeComboBox;
comboList << mItalicAttributeComboBox;
comboList << mUnderlineAttributeComboBox;
comboList << mStrikeoutAttributeComboBox;
comboList << mFontFamilyAttributeComboBox;
comboList << mBufferSizeAttributeComboBox;
comboList << mBufferColorAttributeComboBox;
comboList << mXCoordinateComboBox;
comboList << mYCoordinateComboBox;
comboList << mHorizontalAlignmentComboBox;
comboList << mVerticalAlignmentComboBox;
comboList << mLabelDistanceComboBox;
comboList << mRotationComboBox;
QList<QComboBox*>::iterator comboIt = comboList.begin();
for ( ; comboIt != comboList.end(); ++comboIt )
{
( *comboIt )->addItem( "", QVariant() );
}
const QgsFieldMap& fields = mLayer->dataProvider()->fields();
for ( QgsFieldMap::const_iterator it = fields.constBegin(); it != fields.constEnd(); it++ )
{
for ( comboIt = comboList.begin(); comboIt != comboList.end(); ++comboIt )
{
( *comboIt )->addItem( it.value().name(), it.key() );
}
}
//set current combo boxes to already existing indices
setCurrentComboValue( mSizeAttributeComboBox, s, QgsPalLayerSettings::Size );
setCurrentComboValue( mColorAttributeComboBox, s, QgsPalLayerSettings::Color );
setCurrentComboValue( mBoldAttributeComboBox, s, QgsPalLayerSettings::Bold );
setCurrentComboValue( mItalicAttributeComboBox, s, QgsPalLayerSettings::Italic );
setCurrentComboValue( mUnderlineAttributeComboBox, s, QgsPalLayerSettings::Underline );
setCurrentComboValue( mStrikeoutAttributeComboBox, s, QgsPalLayerSettings::Strikeout );
setCurrentComboValue( mFontFamilyAttributeComboBox, s, QgsPalLayerSettings::Family );
setCurrentComboValue( mBufferSizeAttributeComboBox, s , QgsPalLayerSettings::BufferSize );
setCurrentComboValue( mBufferColorAttributeComboBox, s, QgsPalLayerSettings::BufferColor );
setCurrentComboValue( mXCoordinateComboBox, s, QgsPalLayerSettings::PositionX );
setCurrentComboValue( mYCoordinateComboBox, s, QgsPalLayerSettings::PositionY );
setCurrentComboValue( mHorizontalAlignmentComboBox, s, QgsPalLayerSettings::Hali );
setCurrentComboValue( mVerticalAlignmentComboBox, s, QgsPalLayerSettings::Vali );
setCurrentComboValue( mLabelDistanceComboBox, s, QgsPalLayerSettings::LabelDistance );
setCurrentComboValue( mRotationComboBox, s, QgsPalLayerSettings::Rotation );
}
void QgsAttributeTableModel::loadAttributes()
{
if ( !mLayer )
{
return;
}
bool ins = false, rm = false;
QgsAttributeList attributes;
for ( QgsFieldMap::const_iterator it = mLayer->pendingFields().constBegin(); it != mLayer->pendingFields().end(); it++ )
{
switch ( mLayer->editType( it.key() ) )
{
case QgsVectorLayer::Hidden:
continue;
case QgsVectorLayer::ValueMap:
mValueMaps.insert( it.key(), &mLayer->valueMap( it.key() ) );
break;
default:
break;
}
attributes << it.key();
}
if ( mFieldCount < attributes.size() )
{
ins = true;
beginInsertColumns( QModelIndex(), mFieldCount, attributes.size() - 1 );
}
else if ( attributes.size() < mFieldCount )
{
rm = true;
beginRemoveColumns( QModelIndex(), attributes.size(), mFieldCount - 1 );
}
mFieldCount = attributes.size();
mAttributes = attributes;
mValueMaps.clear();
if ( ins )
{
endInsertColumns();
}
else if ( rm )
{
endRemoveColumns();
}
}
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;
}
int OptVectorLayer::addFeatureWithDefaultValue( OptFeature& f )
{
//{zhangliye2715:api}
if ( !isEditable() )
{
startEditing();
}
// add the fields to the QgsFeature
QgsVectorDataProvider* provider = dataProvider();
const QgsFieldMap fields = provider->fields();
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); ++it )
{
f.addAttribute( it.key(), provider->defaultValue( it.key() ) );
}
int id = -1;
id = OptVectorLayer::addFeature( f );
if ( id != -1 )
{
//add points to other features to keep topology up-to-date
int topologicalEditing = QgsProject::instance()->readNumEntry( "Digitizing", "/TopologicalEditing", 0 );
if( topologicalEditing )
{
addTopologicalPoints( f.geometry() );
}
}
else
{
return -1;
}
//vlayer->setModified(true);
//commit or rollBack the change
if ( isModified() )
{
commitChanges();
}
else
{
rollBack();
return -1;
}
//make the layer still editable for the next adding operation
startEditing();
return id;
}
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;
}
QgsDelAttrDialog::QgsDelAttrDialog( const QgsVectorLayer* vl ): QDialog()
{
setupUi( this );
if ( vl )
{
listBox2->clear();
const QgsFieldMap layerAttributes = vl->pendingFields();
QgsFieldMap::const_iterator attIt = layerAttributes.constBegin();
for ( ; attIt != layerAttributes.constEnd(); ++attIt )
{
QListWidgetItem* item = new QListWidgetItem( attIt.value().name(), listBox2 );
item->setData( Qt::UserRole, attIt.key() );
}
}
}
QgsVectorFieldSymbolLayerWidget::QgsVectorFieldSymbolLayerWidget( const QgsVectorLayer* vl, QWidget* parent ): QgsSymbolLayerV2Widget( parent, vl ), mLayer( 0 )
{
setupUi( this );
if ( mVectorLayer )
{
const QgsFieldMap& fm = mVectorLayer->pendingFields();
QgsFieldMap::const_iterator fieldIt = fm.constBegin();
mXAttributeComboBox->addItem( "" );
mYAttributeComboBox->addItem( "" );
for ( ; fieldIt != fm.constEnd(); ++fieldIt )
{
QString fieldName = fieldIt.value().name();
mXAttributeComboBox->addItem( fieldName );
mYAttributeComboBox->addItem( fieldName );
}
}
}
void QgsComposerAttributeTable::initializeAliasMap()
{
mFieldAliasMap.clear();
if ( mVectorLayer )
{
QgsFieldMap fieldMap = mVectorLayer->pendingFields();
QgsFieldMap::const_iterator it = fieldMap.constBegin();
for ( ; it != fieldMap.constEnd(); ++it )
{
QString currentAlias = mVectorLayer->attributeAlias( it.key() );
if ( !currentAlias.isEmpty() )
{
mFieldAliasMap.insert( it.key(), currentAlias );
}
}
}
}
void QgsFieldCalculator::populateFields()
{
if ( !mVectorLayer )
return;
const QgsFieldMap fieldMap = mVectorLayer->pendingFields();
QgsFieldMap::const_iterator fieldIt = fieldMap.constBegin();
for ( ; fieldIt != fieldMap.constEnd(); ++fieldIt )
{
QString fieldName = fieldIt.value().name();
//insert into field list and field combo box
mFieldMap.insert( fieldName, fieldIt.key() );
mExistingFieldComboBox->addItem( fieldName );
}
}
QMap<int, QString> QgsComposerAttributeTable::getHeaderLabels() const
{
QMap<int, QString> header;
if ( mVectorLayer )
{
QgsFieldMap vectorFields = mVectorLayer->pendingFields();
QgsFieldMap::const_iterator fieldIt = vectorFields.constBegin();
for ( ; fieldIt != vectorFields.constEnd(); ++fieldIt )
{
if ( mDisplayAttributes.size() > 0 && !mDisplayAttributes.contains( fieldIt.key() ) )
{
continue;
}
header.insert( fieldIt.key(), attributeDisplayName( fieldIt.key(), fieldIt.value().name() ) );
}
}
return header;
}
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();
}
QgsUniqueValueDialog::QgsUniqueValueDialog( QgsVectorLayer* vl ): QDialog(), mVectorLayer( vl ), sydialog( vl, true )
{
setupUi( this );
setOrientation( Qt::Vertical );
//find out the fields of mVectorLayer
if ( mVectorLayer )
{
//we cannot use unique values for not-commited fields because QgsVectorLayer has no 'unique values' method...
QgsVectorDataProvider* provider = mVectorLayer->dataProvider();
if ( provider )
{
const QgsFieldMap & fields = provider->fields();
QString str;
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); ++it )
{
str = ( *it ).name();
str = mVectorLayer->attributeDisplayName( it.key() );
mClassificationComboBox->addItem( str, it.key() );
}
}
}
mClassListWidget->setSelectionMode( QAbstractItemView::ExtendedSelection );
mClassListWidget->setEditTriggers( QAbstractItemView::DoubleClicked | QAbstractItemView::EditKeyPressed | QAbstractItemView::AnyKeyPressed );
mClassListWidget->setSortingEnabled( true );
if ( mVectorLayer )
{
const QgsUniqueValueRenderer* renderer = dynamic_cast<const QgsUniqueValueRenderer *>( mVectorLayer->renderer() );
if ( renderer )
{
mClassListWidget->clear();
QString field = mVectorLayer->attributeDisplayName( renderer->classificationField() );
mOldClassificationAttribute = field;
mClassificationComboBox->setCurrentIndex( mClassificationComboBox->findText( field ) );
const QList<QgsSymbol*> list = renderer->symbols();
//fill the items of the renderer into mValues
for ( QList<QgsSymbol*>::const_iterator iter = list.begin(); iter != list.end(); ++iter )
{
QgsSymbol* symbol = *iter;
QString symbolvalue = symbol->lowerValue();
QgsSymbol* sym = new QgsSymbol( mVectorLayer->geometryType(), symbol->lowerValue(), symbol->upperValue(), symbol->label() );
sym->setPen( symbol->pen() );
sym->setCustomTexture( symbol->customTexture() );
sym->setBrush( symbol->brush() );
sym->setNamedPointSymbol( symbol->pointSymbolName() );
sym->setPointSize( symbol->pointSize() );
sym->setPointSizeUnits( symbol->pointSizeUnits() );
sym->setScaleClassificationField( symbol->scaleClassificationField() );
sym->setRotationClassificationField( symbol->rotationClassificationField() );
mValues.insert( symbolvalue, sym );
QListWidgetItem *item = new QListWidgetItem( symbolvalue );
mClassListWidget->addItem( item );
updateEntryIcon( symbol, item );
item->setFlags( Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled );
item->setData( Qt::UserRole, symbol->lowerValue() );
item->setToolTip( symbol->label() );
}
}
}
mDeletePushButton->setEnabled( false );
connect( mClassifyButton, SIGNAL( clicked() ), this, SLOT( changeClassificationAttribute() ) );
connect( mAddButton, SIGNAL( clicked() ), this, SLOT( addClass() ) );
connect( mDeletePushButton, SIGNAL( clicked() ), this, SLOT( deleteSelectedClasses() ) );
connect( mRandomizeColors, SIGNAL( clicked() ), this, SLOT( randomizeColors() ) );
connect( mResetColors, SIGNAL( clicked() ), this, SLOT( resetColors() ) );
connect( mClassListWidget, SIGNAL( itemSelectionChanged() ), this, SLOT( selectionChanged() ) );
connect( mCommonPropertyLock, SIGNAL( clicked() ), this, SLOT( selectionChanged() ) );
connect( mClassListWidget, SIGNAL( itemChanged( QListWidgetItem * ) ), this, SLOT( itemChanged( QListWidgetItem * ) ) );
connect( &sydialog, SIGNAL( settingsChanged() ), this, SLOT( applySymbologyChanges() ) );
mSymbolWidgetStack->addWidget( &sydialog );
mSymbolWidgetStack->setCurrentWidget( &sydialog );
}
//! @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 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 ) );
}
QDomDocument QgsWFSServer::describeFeatureType()
{
QgsDebugMsg( "Entering." );
QDomDocument doc;
//xsd:schema
QDomElement schemaElement = doc.createElement( "schema"/*xsd:schema*/ );
schemaElement.setAttribute( "xmlns", "http://www.w3.org/2001/XMLSchema" );
schemaElement.setAttribute( "xmlns:xsd", "http://www.w3.org/2001/XMLSchema" );
schemaElement.setAttribute( "xmlns:ogc", "http://www.opengis.net/ogc" );
schemaElement.setAttribute( "xmlns:gml", "http://www.opengis.net/gml" );
schemaElement.setAttribute( "xmlns:qgs", "http://www.qgis.org/gml" );
schemaElement.setAttribute( "targetNamespace", "http://www.qgis.org/gml" );
doc.appendChild( schemaElement );
//xsd:import
QDomElement importElement = doc.createElement( "import"/*xsd:import*/ );
importElement.setAttribute( "namespace", "http://www.opengis.net/gml" );
importElement.setAttribute( "schemaLocation", "http://schemas.opengis.net/gml/2.1.2/feature.xsd" );
schemaElement.appendChild( importElement );
//read TYPENAME
QString typeName;
QMap<QString, QString>::const_iterator type_name_it = mParameterMap.find( "TYPENAME" );
if ( type_name_it != mParameterMap.end() )
{
typeName = type_name_it.value();
}
else
{
return doc;
}
QStringList wfsLayersId = mConfigParser->wfsLayers();
QMap< QString, QMap< int, QString > > aliasInfo = mConfigParser->layerAliasInfo();
QMap< QString, QSet<QString> > hiddenAttributes = mConfigParser->hiddenAttributes();
QList<QgsMapLayer*> layerList;
QgsMapLayer* currentLayer = 0;
layerList = mConfigParser->mapLayerFromStyle( typeName, "" );
currentLayer = layerList.at( 0 );
QgsVectorLayer* layer = dynamic_cast<QgsVectorLayer*>( currentLayer );
if ( layer && wfsLayersId.contains( layer->id() ) )
{
//is there alias info for this vector layer?
QMap< int, QString > layerAliasInfo;
QMap< QString, QMap< int, QString > >::const_iterator aliasIt = aliasInfo.find( currentLayer->id() );
if ( aliasIt != aliasInfo.constEnd() )
{
layerAliasInfo = aliasIt.value();
}
//hidden attributes for this layer
QSet<QString> layerHiddenAttributes;
QMap< QString, QSet<QString> >::const_iterator hiddenIt = hiddenAttributes.find( currentLayer->id() );
if ( hiddenIt != hiddenAttributes.constEnd() )
{
layerHiddenAttributes = hiddenIt.value();
}
//do a select with searchRect and go through all the features
QgsVectorDataProvider* provider = layer->dataProvider();
if ( !provider )
{
return doc;
}
typeName = typeName.replace( QString( " " ), QString( "_" ) );
//xsd:element
QDomElement elementElem = doc.createElement( "element"/*xsd:element*/ );
elementElem.setAttribute( "name", typeName );
elementElem.setAttribute( "type", "qgs:" + typeName + "Type" );
elementElem.setAttribute( "substitutionGroup", "gml:_Feature" );
schemaElement.appendChild( elementElem );
//xsd:complexType
QDomElement complexTypeElem = doc.createElement( "complexType"/*xsd:complexType*/ );
complexTypeElem.setAttribute( "name", typeName + "Type" );
schemaElement.appendChild( complexTypeElem );
//xsd:complexType
QDomElement complexContentElem = doc.createElement( "complexContent"/*xsd:complexContent*/ );
complexTypeElem.appendChild( complexContentElem );
//xsd:extension
QDomElement extensionElem = doc.createElement( "extension"/*xsd:extension*/ );
extensionElem.setAttribute( "base", "gml:AbstractFeatureType" );
complexContentElem.appendChild( extensionElem );
//xsd:sequence
QDomElement sequenceElem = doc.createElement( "sequence"/*xsd:sequence*/ );
extensionElem.appendChild( sequenceElem );
//xsd:element
QDomElement geomElem = doc.createElement( "element"/*xsd:element*/ );
geomElem.setAttribute( "name", "geometry" );
geomElem.setAttribute( "type", "gml:GeometryPropertyType" );
geomElem.setAttribute( "minOccurs", "0" );
geomElem.setAttribute( "maxOccurs", "1" );
sequenceElem.appendChild( geomElem );
const QgsFieldMap& fields = provider->fields();
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); ++it )
{
QString attributeName = it.value().name();
//skip attribute if it has edit type 'hidden'
if ( layerHiddenAttributes.contains( attributeName ) )
{
continue;
}
//xsd:element
QDomElement geomElem = doc.createElement( "element"/*xsd:element*/ );
geomElem.setAttribute( "name", attributeName );
if ( it.value().type() == 2 )
geomElem.setAttribute( "type", "integer" );
else if ( it.value().type() == 6 )
geomElem.setAttribute( "type", "double" );
else
geomElem.setAttribute( "type", "string" );
sequenceElem.appendChild( geomElem );
//check if the attribute name should be replaced with an alias
QMap<int, QString>::const_iterator aliasIt = layerAliasInfo.find( it.key() );
if ( aliasIt != layerAliasInfo.constEnd() )
{
geomElem.setAttribute( "alias", aliasIt.value() );
}
}
}
return doc;
}
void QgsVectorDataProvider::fillMinMaxCache()
{
if ( !mCacheMinMaxDirty )
return;
const QgsFieldMap& flds = fields();
for ( QgsFieldMap::const_iterator it = flds.begin(); it != flds.end(); ++it )
{
if ( it->type() == QVariant::Int )
{
mCacheMinValues[it.key()] = QVariant( INT_MAX );
mCacheMaxValues[it.key()] = QVariant( INT_MIN );
}
else if ( it->type() == QVariant::Double )
{
mCacheMinValues[it.key()] = QVariant( DBL_MAX );
mCacheMaxValues[it.key()] = QVariant( -DBL_MAX );
}
else
{
mCacheMinValues[it.key()] = QVariant();
mCacheMaxValues[it.key()] = QVariant();
}
}
QgsFeature f;
QgsAttributeList keys = mCacheMinValues.keys();
select( keys, QgsRectangle(), false );
while ( nextFeature( f ) )
{
QgsAttributeMap attrMap = f.attributeMap();
for ( QgsAttributeList::const_iterator it = keys.begin(); it != keys.end(); ++it )
{
const QVariant& varValue = attrMap[*it];
if ( flds[*it].type() == QVariant::Int )
{
int value = varValue.toInt();
if ( value < mCacheMinValues[*it].toInt() )
mCacheMinValues[*it] = value;
if ( value > mCacheMaxValues[*it].toInt() )
mCacheMaxValues[*it] = value;
}
else if ( flds[*it].type() == QVariant::Double )
{
double value = varValue.toDouble();
if ( value < mCacheMinValues[*it].toDouble() )
mCacheMinValues[*it] = value;
if ( value > mCacheMaxValues[*it].toDouble() )
mCacheMaxValues[*it] = value;
}
else
{
QString value = varValue.toString();
if ( mCacheMinValues[*it].isNull() || value < mCacheMinValues[*it].toString() )
{
mCacheMinValues[*it] = value;
}
if ( mCacheMaxValues[*it].isNull() || value > mCacheMaxValues[*it].toString() )
{
mCacheMaxValues[*it] = value;
}
}
}
}
mCacheMinMaxDirty = false;
}
void QgsMergeAttributesDialog::createTableWidgetContents()
{
//get information about attributes from vector layer
if ( !mVectorLayer )
{
return;
}
//combo box row, attributes titles, feature values and current merge results
mTableWidget->setRowCount( mFeatureList.size() + 2 );
//create combo boxes and insert attribute names
const QgsFieldMap& fieldMap = mVectorLayer->pendingFields();
int col = 0;
for ( QgsFieldMap::const_iterator fieldIt = fieldMap.constBegin();
fieldIt != fieldMap.constEnd();
++fieldIt )
{
if ( mVectorLayer->editType( fieldIt.key() ) == QgsVectorLayer::Hidden ||
mVectorLayer->editType( fieldIt.key() ) == QgsVectorLayer::Immutable )
continue;
mTableWidget->setColumnCount( col + 1 );
mTableWidget->setCellWidget( 0, col, createMergeComboBox( fieldIt->type() ) );
QTableWidgetItem *item = new QTableWidgetItem( fieldIt.value().name() );
item->setData( Qt::UserRole, fieldIt.key() );
mTableWidget->setHorizontalHeaderItem( col++, item );
}
//insert the attribute values
QStringList verticalHeaderLabels; //the id column is in the
verticalHeaderLabels << tr( "Id" );
for ( int i = 0; i < mFeatureList.size(); ++i )
{
verticalHeaderLabels << QString::number( mFeatureList[i].id() );
const QgsAttributeMap &attrs = mFeatureList[i].attributeMap();
for ( int j = 0; j < mTableWidget->columnCount(); j++ )
{
int idx = mTableWidget->horizontalHeaderItem( j )->data( Qt::UserRole ).toInt();
QTableWidgetItem* attributeValItem = new QTableWidgetItem( attrs[idx].toString() );
attributeValItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable );
mTableWidget->setItem( i + 1, j, attributeValItem );
mTableWidget->setCellWidget( i + 1, j, QgsAttributeEditor::createAttributeEditor( mTableWidget, NULL, mVectorLayer, idx, attrs[idx] ) );
}
}
//merge
verticalHeaderLabels << tr( "Merge" );
mTableWidget->setVerticalHeaderLabels( verticalHeaderLabels );
//insert currently merged values
for ( int i = 0; i < mTableWidget->columnCount(); ++i )
{
refreshMergedValue( i );
}
}
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 );
}
QgsPointDisplacementRendererWidget::QgsPointDisplacementRendererWidget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer ): \
QgsRendererV2Widget( layer, style ), mEmbeddedRendererWidget( 0 )
{
if ( !layer )
{
return;
}
//the renderer only applies to point vector layers
if ( layer->wkbType() != QGis::WKBPoint && layer->wkbType() != QGis::WKBPoint25D )
{
//setup blank dialog
mRenderer = 0;
setupBlankUi( layer->name() );
return;
}
setupUi( this );
if ( renderer && renderer->type() == "pointDisplacement" )
{
mRenderer = dynamic_cast<QgsPointDisplacementRenderer*>( renderer->clone() );
}
else
{
mRenderer = new QgsPointDisplacementRenderer();
}
blockAllSignals( true );
//insert attributes into combo box
if ( layer )
{
const QgsFieldMap layerAttributes = layer->pendingFields();
QgsFieldMap::const_iterator it = layerAttributes.constBegin();
for ( ; it != layerAttributes.constEnd(); ++it )
{
mLabelFieldComboBox->addItem( it.value().name() );
}
mLabelFieldComboBox->addItem( tr( "None" ) );
QString currentLabelAttribute = mRenderer->labelAttributeName();
if ( !currentLabelAttribute.isEmpty() )
{
mLabelFieldComboBox->setCurrentIndex( mLabelFieldComboBox->findText( currentLabelAttribute ) );
}
else
{
mLabelFieldComboBox->setCurrentIndex( mLabelFieldComboBox->findText( tr( "None" ) ) );
}
}
//insert possible renderer types
QStringList rendererList = QgsRendererV2Registry::instance()->renderersList();
QStringList::const_iterator it = rendererList.constBegin();
for ( ; it != rendererList.constEnd(); ++it )
{
if ( *it != "pointDisplacement" )
{
QgsRendererV2AbstractMetadata* m = QgsRendererV2Registry::instance()->rendererMetadata( *it );
mRendererComboBox->addItem( m->icon(), m->visibleName(), *it );
}
}
mCircleWidthSpinBox->setValue( mRenderer->circleWidth() );
mCircleColorButton->setColor( mRenderer->circleColor() );
mLabelColorButton->setColor( mRenderer->labelColor() );
mCircleModificationSpinBox->setValue( mRenderer->circleRadiusAddition() );
mDistanceSpinBox->setValue( mRenderer->tolerance() );
//scale dependent labelling
mMaxScaleDenominatorEdit->setText( QString::number( mRenderer->maxLabelScaleDenominator() ) );
mMaxScaleDenominatorEdit->setValidator( new QDoubleValidator( mMaxScaleDenominatorEdit ) );
if ( mRenderer->maxLabelScaleDenominator() > 0 )
{
mScaleDependentLabelsCheckBox->setCheckState( Qt::Checked );
}
else
{
mScaleDependentLabelsCheckBox->setCheckState( Qt::Unchecked );
mMaxScaleDenominatorEdit->setEnabled( false );
}
blockAllSignals( false );
//set the appropriate renderer dialog
if ( mRenderer && mRenderer->embeddedRenderer() )
{
QString rendererName = mRenderer->embeddedRenderer()->type();
int rendererIndex = mRendererComboBox->findData( rendererName );
if ( rendererIndex != -1 )
{
mRendererComboBox->setCurrentIndex( rendererIndex );
on_mRendererComboBox_currentIndexChanged( rendererIndex );
}
}
updateCenterIcon();
}
void QgsFieldCalculator::accept()
{
// Set up QgsDistanceArea each time we (re-)calculate
QgsDistanceArea myDa;
myDa.setSourceCrs( mVectorLayer->crs().srsid() );
myDa.setEllipsoidalMode( QgisApp::instance()->mapCanvas()->mapRenderer()->hasCrsTransformEnabled() );
myDa.setEllipsoid( QgsProject::instance()->readEntry( "Measure", "/Ellipsoid", GEO_NONE ) );
QString calcString = builder->expressionText();
QgsExpression exp( calcString );
if ( !mVectorLayer || !mVectorLayer->isEditable() )
return;
if ( ! exp.prepare( mVectorLayer->pendingFields() ) )
{
QMessageBox::critical( 0, tr( "Evaluation error" ), exp.evalErrorString() );
return;
}
mVectorLayer->beginEditCommand( "Field calculator" );
//update existing field
if ( mUpdateExistingGroupBox->isChecked() || !mNewFieldGroupBox->isEnabled() )
{
QMap<QString, int>::const_iterator fieldIt = mFieldMap.find( mExistingFieldComboBox->currentText() );
if ( fieldIt != mFieldMap.end() )
{
mAttributeId = fieldIt.value();
}
}
else
{
//create new field
QgsField newField( mOutputFieldNameLineEdit->text(),
( QVariant::Type ) mOutputFieldTypeComboBox->itemData( mOutputFieldTypeComboBox->currentIndex(), Qt::UserRole ).toInt(),
mOutputFieldTypeComboBox->itemData( mOutputFieldTypeComboBox->currentIndex(), Qt::UserRole + 1 ).toString(),
mOutputFieldWidthSpinBox->value(),
mOutputFieldPrecisionSpinBox->value() );
if ( !mVectorLayer->addAttribute( newField ) )
{
QMessageBox::critical( 0, tr( "Provider error" ), tr( "Could not add the new field to the provider." ) );
mVectorLayer->destroyEditCommand();
return;
}
//get index of the new field
const QgsFieldMap fieldList = mVectorLayer->pendingFields();
QgsFieldMap::const_iterator it = fieldList.constBegin();
for ( ; it != fieldList.constEnd(); ++it )
{
if ( it.value().name() == mOutputFieldNameLineEdit->text() )
{
mAttributeId = it.key();
break;
}
}
}
if ( mAttributeId == -1 )
{
mVectorLayer->destroyEditCommand();
return;
}
//go through all the features and change the new attribute
QgsFeature feature;
bool calculationSuccess = true;
QString error;
bool onlySelected = mOnlyUpdateSelectedCheckBox->isChecked();
QgsFeatureIds selectedIds = mVectorLayer->selectedFeaturesIds();
// block layerModified signals (that would trigger table update)
mVectorLayer->blockSignals( true );
bool useGeometry = exp.needsGeometry();
int rownum = 1;
mVectorLayer->select( mVectorLayer->pendingAllAttributesList(), QgsRectangle(), useGeometry, false );
while ( mVectorLayer->nextFeature( feature ) )
{
if ( onlySelected )
{
if ( !selectedIds.contains( feature.id() ) )
{
continue;
}
}
exp.setCurrentRowNumber( rownum );
exp.setGeomCalculator( myDa );
QVariant value = exp.evaluate( &feature );
if ( exp.hasEvalError() )
{
calculationSuccess = false;
error = exp.evalErrorString();
break;
}
else
{
mVectorLayer->changeAttributeValue( feature.id(), mAttributeId, value, false );
}
rownum++;
}
// stop blocking layerModified signals and make sure that one layerModified signal is emitted
mVectorLayer->blockSignals( false );
mVectorLayer->setModified( true, false );
if ( !calculationSuccess )
{
QMessageBox::critical( 0, tr( "Error" ), tr( "An error occured while evaluating the calculation string:\n%1" ).arg( error ) );
mVectorLayer->destroyEditCommand();
return;
}
mVectorLayer->endEditCommand();
QDialog::accept();
}
bool QgsFeatureAction::addFeature()
{
if ( !mLayer || !mLayer->isEditable() )
return false;
QgsVectorDataProvider *provider = mLayer->dataProvider();
QSettings settings;
bool reuseLastValues = settings.value( "/qgis/digitizing/reuseLastValues", false ).toBool();
QgsDebugMsg( QString( "reuseLastValues: %1" ).arg( reuseLastValues ) );
// add the fields to the QgsFeature
const QgsFieldMap fields = mLayer->pendingFields();
for ( QgsFieldMap::const_iterator it = fields.constBegin(); it != fields.constEnd(); ++it )
{
if ( reuseLastValues && mLastUsedValues.contains( mLayer ) && mLastUsedValues[ mLayer ].contains( it.key() ) )
{
QgsDebugMsg( QString( "reusing %1 for %2" ).arg( mLastUsedValues[ mLayer ][ it.key()].toString() ).arg( it.key() ) );
mFeature.addAttribute( it.key(), mLastUsedValues[ mLayer ][ it.key()] );
}
else
{
mFeature.addAttribute( it.key(), provider->defaultValue( it.key() ) );
}
}
bool res = false;
mLayer->beginEditCommand( text() );
// show the dialog to enter attribute values
bool isDisabledAttributeValuesDlg = settings.value( "/qgis/digitizing/disable_enter_attribute_values_dialog", false ).toBool();
if ( isDisabledAttributeValuesDlg )
{
res = mLayer->addFeature( mFeature );
}
else
{
QgsAttributeMap origValues;
if ( reuseLastValues )
origValues = mFeature.attributeMap();
QgsAttributeDialog *dialog = newDialog( false );
if ( dialog->exec() )
{
if ( reuseLastValues )
{
for ( QgsFieldMap::const_iterator it = fields.constBegin(); it != fields.constEnd(); ++it )
{
const QgsAttributeMap &newValues = mFeature.attributeMap();
if ( newValues.contains( it.key() )
&& origValues.contains( it.key() )
&& origValues[ it.key()] != newValues[ it.key()] )
{
QgsDebugMsg( QString( "saving %1 for %2" ).arg( mLastUsedValues[ mLayer ][ it.key()].toString() ).arg( it.key() ) );
mLastUsedValues[ mLayer ][ it.key()] = newValues[ it.key()];
}
}
}
res = mLayer->addFeature( mFeature );
}
else
{
QgsDebugMsg( "Adding feature to layer failed" );
res = false;
}
}
if ( res )
mLayer->endEditCommand();
else
mLayer->destroyEditCommand();
return res;
}