public Object[] getChildren(final Object parentElement) {
try {
if (parentElement instanceof IScriptModel) {
return getExtendedChildren(
parentElement,
StandardModelElementContentProvider.concatenate(
getScriptProjects((IScriptModel) parentElement),
getNonJavaProjects((IScriptModel) parentElement)));
}
if (parentElement instanceof ProjectFragmentContainer) {
return getExtendedChildren(
parentElement, getContainerProjectFragments((ProjectFragmentContainer) parentElement));
}
if (parentElement instanceof IProject) {
if (!((IProject) parentElement).isAccessible()) {
return StandardModelElementContentProvider.NO_CHILDREN;
}
return getExtendedChildren(parentElement, ((IProject) parentElement).members());
}
return super.getChildren(parentElement);
} catch (CoreException e) {
return getExtendedChildren(parentElement, StandardModelElementContentProvider.NO_CHILDREN);
}
}
/*
* (non-Javadoc) Method declared on IContentProvider.
*/
public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) {
super.inputChanged(viewer, oldInput, newInput);
fViewer = (TreeViewer) viewer;
if (oldInput == null && newInput != null) {
DLTKCore.addElementChangedListener(this);
} else if (oldInput != null && newInput == null) {
DLTKCore.removeElementChangedListener(this);
}
fInput = newInput;
}
/*
* (non-Javadoc) Method declared on IContentProvider.
*/
public void dispose() {
super.dispose();
DLTKCore.removeElementChangedListener(this);
DLTKUIPlugin.getDefault().getPreferenceStore().removePropertyChangeListener(this);
}