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Java > Open Source Codes > org > eclipse > debug > internal > ui > actions > breakpoints > OpenBreakpointMarkerAction


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.debug.internal.ui.actions.breakpoints;
12
13 import org.eclipse.debug.core.model.IBreakpoint;
14 import org.eclipse.debug.internal.ui.DebugUIPlugin;
15 import org.eclipse.debug.internal.ui.DelegatingModelPresentation;
16 import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
17 import org.eclipse.debug.internal.ui.actions.ActionMessages;
18 import org.eclipse.jface.viewers.ISelectionProvider;
19 import org.eclipse.jface.viewers.IStructuredSelection;
20 import org.eclipse.ui.IEditorInput;
21 import org.eclipse.ui.IEditorPart;
22 import org.eclipse.ui.IWorkbenchPage;
23 import org.eclipse.ui.IWorkbenchWindow;
24 import org.eclipse.ui.PartInitException;
25 import org.eclipse.ui.PlatformUI;
26 import org.eclipse.ui.actions.SelectionProviderAction;
27 import org.eclipse.ui.ide.IDE;
28 import org.eclipse.ui.plugin.AbstractUIPlugin;
29
30 public class OpenBreakpointMarkerAction extends SelectionProviderAction {
31
32     protected static DelegatingModelPresentation fgPresentation = new DelegatingModelPresentation();
33     private IBreakpoint breakpoint;
34     private IEditorInput input;
35     
36     public OpenBreakpointMarkerAction(ISelectionProvider selectionProvider) {
37         super(selectionProvider, ActionMessages.OpenBreakpointMarkerAction__Go_to_File_1);
38         setToolTipText(ActionMessages.OpenBreakpointMarkerAction_Go_to_File_for_Breakpoint_2);
39         setImageDescriptor(AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.ui.ide", "icons/full/elcl16/gotoobj_tsk.gif")); //$NON-NLS-1$ //$NON-NLS-2$
40 setDisabledImageDescriptor(AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.ui.ide", "icons/full/dlcl16/gotoobj_tsk.gif")); //$NON-NLS-1$ //$NON-NLS-2$
41 PlatformUI.getWorkbench().getHelpSystem().setHelp(
42             this,
43             IDebugHelpContextIds.OPEN_BREAKPOINT_ACTION);
44         setEnabled(false);
45     }
46
47     /* (non-Javadoc)
48      * @see org.eclipse.jface.action.IAction#run()
49      */
50     public void run() {
51         IWorkbenchWindow dwindow= DebugUIPlugin.getActiveWorkbenchWindow();
52         if (dwindow == null) {
53             return;
54         }
55         IWorkbenchPage page= dwindow.getActivePage();
56         if (page == null) {
57             return;
58         }
59         
60         IStructuredSelection selection= getStructuredSelection();
61         if (selection.isEmpty()) {
62             setEnabled(false);
63             return;
64         }
65         
66         IEditorPart part= null;
67         if (input != null) {
68             String JavaDoc editorId = fgPresentation.getEditorId(input, breakpoint);
69             if (editorId != null) {
70                 try {
71                     part= page.openEditor(input, editorId);
72                 } catch (PartInitException e) {
73                     DebugUIPlugin.errorDialog(dwindow.getShell(), ActionMessages.OpenBreakpointMarkerAction_Go_to_Breakpoint_1, ActionMessages.OpenBreakpointMarkerAction_Exceptions_occurred_attempting_to_open_the_editor_for_the_breakpoint_resource_2, e); //
74 }
75             }
76         }
77         if (part != null) {
78             part.setFocus();
79             IDE.gotoMarker(part, breakpoint.getMarker());
80         }
81     }
82     
83     /* (non-Javadoc)
84      * @see org.eclipse.ui.actions.SelectionProviderAction#selectionChanged(org.eclipse.jface.viewers.IStructuredSelection)
85      */
86     public void selectionChanged(IStructuredSelection sel) {
87         if (sel.size() == 1) {
88             Object JavaDoc element = sel.getFirstElement();
89             if (element instanceof IBreakpoint) {
90                 breakpoint= (IBreakpoint) element;
91                 input= fgPresentation.getEditorInput(breakpoint);
92                 if (input != null) {
93                     setEnabled(true);
94                     return;
95                 }
96             }
97         } else {
98             breakpoint = null;
99             input = null;
100         }
101         setEnabled(false);
102     }
103 }
104
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