/**
* check if the drop is processable
*
* @return
*/
private boolean enable() {
if (getTargetEditPart() == null) {;
// alle EditPart fuer die Drop funktionieren soll
} else if (getTargetEditPart() instanceof EnsembleEditPart
|| getTargetEditPart() instanceof Ensemble2EditPart
|| getTargetEditPart() instanceof ShapesDiagramEditPart) {
return QueryBuilder.isProcessable(getTargetRequest().getExtendedData());
}
return false;
}
@Override
protected Command getDirectEditCommand(DirectEditRequest request) {
// TODO put "http://vespucci.editor" in some constant
// Make sure that XXXEditPart is an instanceof GraphicalEditPart
// so that it support resolveSemanticElement()
// Furthermore make sure that the resolveSemanticElement() is from type
// Shape
if (getHost() instanceof GraphicalEditPart
&& ((GraphicalEditPart) getHost()).resolveSemanticElement() instanceof Shape) {
// we need infos about the EMF meta modell so we refer to the
// Singelton that save Vespucci_modelPackage
EPackage epackage =
org.eclipse.emf.ecore.EPackage.Registry.INSTANCE.getEPackage("http://vespucci.editor");
Vespucci_modelPackage vesPackage = (Vespucci_modelPackage) epackage;
if ((((GraphicalEditPart) getHost()).resolveSemanticElement())
.eClass()
.getEAllStructuralFeatures()
.contains(vesPackage.getShape_Query())) {
// get the old query
// String name = (String)writer.eGet(LibraryPackage.eINSTANCE.getWriter_Name());
Object oldQuery =
(((GraphicalEditPart) getHost()).resolveSemanticElement())
.eGet(vesPackage.getShape_Query());
@SuppressWarnings("unchecked")
SetRequest sr =
new SetRequest(
((GraphicalEditPart) getHost()).resolveSemanticElement(),
vesPackage.getShape_Query(),
QueryBuilder.createQueryForAMapOfIResource(
request.getExtendedData(), (String) oldQuery));
org.eclipse.gmf.runtime.common.core.command.ICommand com = new SetValueCommand(sr);
// return the edit Request in a Proxy so it can be handled
return new org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy(com);
// create a Request for the Query edit
// @SuppressWarnings("unchecked")
// EditQueryRequest editRequest = new EditQueryRequest(
// ((GraphicalEditPart) getHost()).resolveSemanticElement(),
// vesPackage.getShape_Query(), request.getExtendedData());
// ICommand com = new EditQueryCommand(editRequest);
// return new
// org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy(com);
}
return null;
}
return null;
}