/**
* Initialize the LayerTree, using a MapWidget as base reference. It will display the map's
* layers, as configured in the XML configuration, and select/deselect the layer as the user
* clicks on them in the tree.
*
* @param mapWidget map widget this layer tree is connected to
* @since 1.6.0
*/
@Api
public LayerTree(final MapWidget mapWidget) {
super();
setHeight100();
this.mapModel = mapWidget.getMapModel();
htmlSelectedLayer.setWidth100();
// Wait for the MapModel to be loaded
mapModel.addMapModelChangedHandler(
new MapModelChangedHandler() {
public void onMapModelChanged(MapModelChangedEvent event) {
if (!initialized) {
buildTree(mapModel);
toolStrip = buildToolstrip(mapWidget);
// display the toolbar and the tree
VLayout vLayout = new VLayout();
vLayout.setSize("100%", "100%");
vLayout.addMember(toolStrip);
htmlSelectedLayer.setBackgroundColor(WidgetLayout.layerTreeBackground);
htmlSelectedLayer.setAlign(Alignment.CENTER);
vLayout.addMember(htmlSelectedLayer);
vLayout.addMember(treeGrid);
LayerTree.this.addChild(vLayout);
}
initialized = true;
treeGrid.markForRedraw();
LayerTree.this.markForRedraw();
}
});
mapModel.addLayerSelectionHandler(this);
}
