1 /*******************************************************************************
2  * Copyright (c) 2000, 2012 IBM Corporation and others.
3  *
4  * This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License 2.0
6  * which accompanies this distribution, and is available at
7  * https://www.eclipse.org/legal/epl-2.0/
8  *
9  * SPDX-License-Identifier: EPL-2.0
10  *
11  * Contributors:
12  *     IBM Corporation - initial API and implementation
13  *******************************************************************************/
14 package org.eclipse.jdt.internal.debug.ui.actions;
15 
16 
17 import java.util.Iterator;
18 
19 import org.eclipse.core.runtime.CoreException;
20 import org.eclipse.jdt.debug.core.IJavaBreakpoint;
21 import org.eclipse.jdt.debug.core.IJavaExceptionBreakpoint;
22 import org.eclipse.jface.viewers.IStructuredSelection;
23 
24 /**
25  * Toggles the caught state of an exception breakpoint
26  */
27 public class ExceptionCaughtToggleAction extends BreakpointToggleAction {
28 
29 	/**
30 	 * @see BreakpointToggleAction#getToggleState(IJavaBreakpoint)
31 	 */
32 	@Override
getToggleState(IJavaBreakpoint breakpoint)33 	protected boolean getToggleState(IJavaBreakpoint breakpoint) throws CoreException {
34 		//will only be called after isEnabledFor so cast is safe
35 		IJavaExceptionBreakpoint exception= (IJavaExceptionBreakpoint)breakpoint;
36 		return exception.isCaught();
37 	}
38 
39 	/**
40 	 * @see BreakpointToggleAction#doAction(IJavaBreakpoint)
41 	 */
42 	@Override
doAction(IJavaBreakpoint breakpoint)43 	public void doAction(IJavaBreakpoint breakpoint) throws CoreException {
44 		//will only be called after isEnabledFor so cast is safe
45 		IJavaExceptionBreakpoint exception= (IJavaExceptionBreakpoint)breakpoint;
46 		exception.setCaught(!exception.isCaught());
47 	}
48 
49 	/**
50 	 * @see BreakpointToggleAction#isEnabledFor(IStructuredSelection)
51 	 */
52 	@Override
isEnabledFor(IStructuredSelection selection)53 	public boolean isEnabledFor(IStructuredSelection selection) {
54 		Iterator<?> iter= selection.iterator();
55 		while (iter.hasNext()) {
56 			Object element = iter.next();
57 			if (!(element instanceof IJavaExceptionBreakpoint)) {
58 				return false;
59 			}
60 
61 		}
62 		return true;
63 	}
64 }
65