QgsLegendLayerFile::QgsLegendLayerFile( QTreeWidgetItem * theLegendItem, QString theString, QgsMapLayer* theLayer )
: QgsLegendItem( theLegendItem, theString ), mLyr( theLayer )
{
// Set the initial visibility flag for layers
// This user option allows the user to turn off inital drawing of
// layers when they are added to the map. This is useful when adding
// many layers and the user wants to adjusty symbology, etc prior to
// actually viewing the layer.
QSettings settings;
bool visible = settings.value( "/qgis/new_layers_visible", true ).toBool();
mLyr.setVisible( visible );
// not in overview by default
mLyr.setInOverview( FALSE );
mType = LEGEND_LAYER_FILE;
setFlags( Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsSelectable );
setCheckState( 0, Qt::Checked );
setText( 0, theString );
// Add check if vector layer when connecting to selectionChanged slot
// Ticket #811 - racicot
QgsMapLayer *currentLayer = mLyr.layer();
QgsVectorLayer *isVectLyr = dynamic_cast < QgsVectorLayer * >( currentLayer );
if ( isVectLyr )
{
connect( mLyr.layer(), SIGNAL( editingStarted() ), this, SLOT( updateLegendItem() ) );
connect( mLyr.layer(), SIGNAL( editingStopped() ), this, SLOT( updateLegendItem() ) );
}
connect( mLyr.layer(), SIGNAL( layerNameChanged() ), this, SLOT( layerNameChanged() ) );
}
/*!
Set the identifier display policy of the legend.
\param policy new policy.
\param mode new mode.
\sa QwtLegend::setDisplayPolicy, QwtLegend::LegendDisplayPolicy
*/
void QwtPlot::setLegendDisplayPolicy(
QwtLegend::LegendDisplayPolicy policy, int mode)
{
d_legend->setDisplayPolicy(policy, mode);
for (QwtPlotCurveIterator iter=curveIterator(); iter.current(); ++iter)
updateLegendItem(iter.currentKey());
}
