QgsPalLayerSettings& QgsMapToolLabel::currentLabelSettings( bool* ok )
{
QgsVectorLayer* vlayer = currentLayer();
if ( vlayer )
{
QgsPalLabeling* labelEngine = dynamic_cast<QgsPalLabeling*>( mCanvas->mapRenderer()->labelingEngine() );
if ( labelEngine )
{
if ( ok )
{
*ok = true;
}
return labelEngine->layer( mCurrentLabelPos.layerID );
}
}
if ( ok )
{
*ok = false;
}
return mInvalidLabelSettings;
}
bool QgsMapToolShowHideLabels::selectedLabelFeatures( QgsVectorLayer* vlayer,
QgsFeatureIds& selectedFeatIds )
{
// get list of all drawn labels from current layer that intersect rubberband
QgsPalLabeling* labelEngine = dynamic_cast<QgsPalLabeling*>( mRender->labelingEngine() );
if ( !labelEngine )
{
QgsDebugMsg( "No labeling engine" );
return false;
}
QApplication::setOverrideCursor( Qt::WaitCursor );
QgsRectangle ext = mRubberBand->asGeometry()->boundingBox();
QList<QgsLabelPosition> labelPosList = labelEngine->labelsWithinRect( ext );
QList<QgsLabelPosition>::const_iterator it;
for ( it = labelPosList.constBegin() ; it != labelPosList.constEnd(); ++it )
{
mCurrentLabelPos = *it;
if ( mCurrentLabelPos.layerID != vlayer->id() )
{
// only work with labels from the current active and editable layer
continue;
}
selectedFeatIds.insert( mCurrentLabelPos.featureId );
}
QApplication::restoreOverrideCursor();
return true;
}
void QgsLabelPropertyDialog::init( const QString& layerId, int featureId )
{
if ( !mMapRenderer )
{
return;
}
//get feature attributes
QgsVectorLayer* vlayer = dynamic_cast<QgsVectorLayer*>( QgsMapLayerRegistry::instance()->mapLayer( layerId ) );
if ( !vlayer )
{
return;
}
QgsFeature f;
if ( !vlayer->featureAtId( featureId, f, false, true ) )
{
return;
}
const QgsAttributeMap& attributeValues = f.attributeMap();
//get layerproperties. Problem: only for pallabeling...
QgsPalLabeling* lbl = dynamic_cast<QgsPalLabeling*>( mMapRenderer->labelingEngine() );
if ( !lbl )
{
return;
}
blockElementSignals( true );
//get label field and fill line edit
QString labelFieldName = vlayer->customProperty( "labeling/fieldName" ).toString();
if ( !labelFieldName.isEmpty() )
{
mCurrentLabelField = vlayer->fieldNameIndex( labelFieldName );
mLabelTextLineEdit->setText( attributeValues[mCurrentLabelField].toString() );
const QgsFieldMap& layerFields = vlayer->pendingFields();
switch ( layerFields[mCurrentLabelField].type() )
{
case QVariant::Double:
mLabelTextLineEdit->setValidator( new QDoubleValidator( this ) );
break;
case QVariant::Int:
case QVariant::UInt:
case QVariant::LongLong:
mLabelTextLineEdit->setValidator( new QIntValidator( this ) );
break;
default:
break;
}
}
//get attributes of the feature and fill data defined values
QgsPalLayerSettings& layerSettings = lbl->layer( layerId );
mLabelFont = layerSettings.textFont;
//set all the gui elements to the default values
mFontSizeSpinBox->setValue( layerSettings.textFont.pointSizeF() );
mBufferColorButton->setColor( layerSettings.textColor );
mLabelDistanceSpinBox->setValue( layerSettings.dist );
mBufferSizeSpinBox->setValue( layerSettings.bufferSize );
mMinScaleSpinBox->setValue( layerSettings.scaleMin );
mMaxScaleSpinBox->setValue( layerSettings.scaleMax );
mHaliComboBox->setCurrentIndex( mHaliComboBox->findText( "Left" ) );
mValiComboBox->setCurrentIndex( mValiComboBox->findText( "Bottom" ) );
disableGuiElements();
mDataDefinedProperties = layerSettings.dataDefinedProperties;
QMap< QgsPalLayerSettings::DataDefinedProperties, int >::const_iterator propIt = mDataDefinedProperties.constBegin();
for ( ; propIt != mDataDefinedProperties.constEnd(); ++propIt )
{
switch ( propIt.key() )
{
case QgsPalLayerSettings::Show:
mShowLabelChkbx->setEnabled( true );
mShowLabelChkbx->setChecked( attributeValues[propIt.value()].toInt() != 0 );
break;
case QgsPalLayerSettings::AlwaysShow:
mAlwaysShowChkbx->setEnabled( true );
mAlwaysShowChkbx->setChecked( attributeValues[propIt.value()].toBool() );
break;
case QgsPalLayerSettings::MinScale:
mMinScaleSpinBox->setEnabled( true );
mMinScaleSpinBox->setValue( attributeValues[propIt.value()].toInt() );
break;
case QgsPalLayerSettings::MaxScale:
mMaxScaleSpinBox->setEnabled( true );
mMaxScaleSpinBox->setValue( attributeValues[propIt.value()].toInt() );
break;
case QgsPalLayerSettings::Size:
mFontSizeSpinBox->setEnabled( true );
mLabelFont.setPointSizeF( attributeValues[propIt.value()].toDouble() );
mFontSizeSpinBox->setValue( attributeValues[propIt.value()].toDouble() );
break;
case QgsPalLayerSettings::BufferSize:
mBufferSizeSpinBox->setEnabled( true );
mBufferSizeSpinBox->setValue( attributeValues[propIt.value()].toDouble() );
break;
case QgsPalLayerSettings::PositionX:
mXCoordSpinBox->setEnabled( true );
mXCoordSpinBox->setValue( attributeValues[propIt.value()].toDouble() );
break;
case QgsPalLayerSettings::PositionY:
mYCoordSpinBox->setEnabled( true );
mYCoordSpinBox->setValue( attributeValues[propIt.value()].toDouble() );
break;
case QgsPalLayerSettings::LabelDistance:
mLabelDistanceSpinBox->setEnabled( true );
mLabelDistanceSpinBox->setValue( attributeValues[propIt.value()].toDouble() );
break;
case QgsPalLayerSettings::Hali:
mHaliComboBox->setEnabled( true );
mHaliComboBox->setCurrentIndex( mHaliComboBox->findText( attributeValues[propIt.value()].toString() ) );
break;
case QgsPalLayerSettings::Vali:
mValiComboBox->setEnabled( true );
mValiComboBox->setCurrentIndex( mValiComboBox->findText( attributeValues[propIt.value()].toString() ) );
break;
case QgsPalLayerSettings::BufferColor:
mBufferColorButton->setEnabled( true );
mBufferColorButton->setColor( QColor( attributeValues[propIt.value()].toString() ) );
break;
case QgsPalLayerSettings::Color:
mFontColorButton->setEnabled( true );
mFontColorButton->setColor( QColor( attributeValues[propIt.value()].toString() ) );
break;
case QgsPalLayerSettings::Rotation:
mRotationSpinBox->setEnabled( true );
mRotationSpinBox->setValue( attributeValues[propIt.value()].toDouble() );
break;
//font related properties
case QgsPalLayerSettings::Bold:
mLabelFont.setBold( attributeValues[propIt.value()].toBool() );
break;
case QgsPalLayerSettings::Italic:
mLabelFont.setItalic( attributeValues[propIt.value()].toBool() );
break;
case QgsPalLayerSettings::Underline:
mLabelFont.setUnderline( attributeValues[propIt.value()].toBool() );
break;
case QgsPalLayerSettings::Strikeout:
mLabelFont.setStrikeOut( attributeValues[propIt.value()].toBool() );
break;
case QgsPalLayerSettings::Family:
mLabelFont.setFamily( attributeValues[propIt.value()].toString() );
break;
default:
break;
}
}
mFontPushButton->setEnabled( labelFontEditingPossible() );
blockElementSignals( false );
}