/**
* @see org.teiid.designer.ui.common.actions.IActionWorker#getEnableState()
* @since 4.2
*/
@Override
public boolean setEnabledState() {
boolean enable = false;
Object selection = getSelection();
boolean foundResource = false;
if (selection instanceof ISelection) {
ISelection iSelection = (ISelection) selection;
if (!iSelection.isEmpty() && !isReadOnly() && canLegallyEditResource()) {
if (SelectionUtilities.isAllEObjects(iSelection)) {
enable = true;
// check each object, break out if false
for (Iterator iter = SelectionUtilities.getSelectedEObjects(iSelection).iterator();
iter.hasNext() && enable; ) {
EObject obj = (EObject) iter.next();
// Check Read-Only, Check if Diagram (ask diagram), Check Helper
if (obj == null || ModelObjectUtilities.isReadOnly(obj)) {
enable = false; // and quit checking
} else {
if (obj instanceof Diagram) {
enable = DiagramHelperManager.canDelete((Diagram) obj);
} else {
enable = ModelObjectEditHelperManager.canDelete(obj); // and keep checking
}
// We got this far, now we need to cache up a focused object for opening an editor
// so it reveals the proper container (i.e. package diagram)
// Only do this once for effiency
if (!foundResource && enable) {
focusedObject = obj;
foundResource = true;
modelResource = ModelUtilities.getModelResourceForModelObject(obj);
}
}
if (!enable) break;
}
}
}
}
if (!enable) {
modelResource = null;
focusedObject = null;
}
if (UiPlugin.getDefault().getCurrentWorkbenchWindow().getActivePage() != null) {
IWorkbenchPart theActivePart =
UiPlugin.getDefault().getCurrentWorkbenchWindow().getActivePage().getActivePart();
if (theActivePart != null) {
// System.out.println(" >>> DeleteWorker.setEnabledState() Active Part = " +
// theActivePart);
}
}
return enable;
}
