/*
* Contributions to FindBugs
* Copyright (C) 2008, Andrei Loskutov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package de.tobject.findbugs.actions;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.navigator.CommonViewer;
import de.tobject.findbugs.view.BugExplorerView;
import de.tobject.findbugs.view.explorer.BugGroup;
public class GoIntoAction implements IViewActionDelegate {
private BugExplorerView navigator;
private Object selectedElement;
public void init(IViewPart view) {
if (view instanceof BugExplorerView) {
navigator = (BugExplorerView) view;
}
}
public void run(IAction action) {
if (action.isEnabled() && navigator != null && selectedElement != null) {
CommonViewer viewer = navigator.getCommonViewer();
Object[] expandedElements = viewer.getVisibleExpandedElements();
viewer.setInput(selectedElement);
viewer.setExpandedElements(expandedElements);
}
}
public void selectionChanged(IAction action, ISelection selection) {
if (!(selection instanceof IStructuredSelection)) {
action.setEnabled(false);
return;
}
IStructuredSelection ssel = (IStructuredSelection) selection;
if (ssel.size() != 1) {
action.setEnabled(false);
return;
}
Object element = ssel.getFirstElement();
if (!(element instanceof BugGroup)) {
action.setEnabled(false);
return;
}
action.setEnabled(true);
selectedElement = element;
}
}