1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*******************************************************************************
* Copyright (c) 2011, 2013 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.views.handler;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.tcf.te.runtime.services.ServiceManager;
import org.eclipse.tcf.te.runtime.services.interfaces.IUIService;
import org.eclipse.tcf.te.ui.interfaces.handler.IEditorHandlerDelegate;
import org.eclipse.tcf.te.ui.views.activator.UIPlugin;
import org.eclipse.tcf.te.ui.views.interfaces.IUIConstants;
import org.eclipse.tcf.te.ui.views.nls.Messages;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.navigator.CommonNavigator;
/**
* TCF tree elements open command handler implementation.
*/
public class OpenEditorHandler extends AbstractHandler {
/* (non-Javadoc)
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
// The selection is the Target Explorer tree selection
ISelection selection = HandlerUtil.getCurrentSelection(event);
// The active part is the Target Explorer view instance
IWorkbenchPart part = HandlerUtil.getActivePart(event);
// Get the currently active workbench window
// In Eclipse 4.x, the HandlerUtil.getActiveWorkbenchWindow(event) may return null
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
if (window == null) window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
// ALT - Key pressed?
Object ctrlPressed = HandlerUtil.getVariable(event, "ctrlPressed"); //$NON-NLS-1$
boolean expand = ctrlPressed instanceof Boolean ? ((Boolean)ctrlPressed).booleanValue() : false;
if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
// If the tree node is expandable, expand or collapse it
TreeViewer viewer = ((CommonNavigator)part).getCommonViewer();
Object element = ((IStructuredSelection)selection).getFirstElement();
if (selection instanceof TreeSelection) {
TreePath[] path = ((TreeSelection)selection).getPaths();
if (path != null && path.length > 0) {
element = path[0].getLastSegment();
}
}
if (viewer.isExpandable(element) && expand) {
viewer.setExpandedState(element, !viewer.getExpandedState(element));
}
else {
openEditorOnSelection(window, selection);
}
}
return null;
}
/**
* Opens the properties editor in the given workbench window on the given selection.
*
* @param window The workbench window. Must not be <code>null</code>.
* @param selection The selection. Must not be <code>null</code>.
*/
public static void openEditorOnSelection(IWorkbenchWindow window, ISelection selection) {
Assert.isNotNull(window);
Assert.isNotNull(selection);
if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
Object element = ((IStructuredSelection)selection).getFirstElement();
if (element != null) {
// Get the active page
IWorkbenchPage page = window.getActivePage();
// Create the editor input object
IUIService service = ServiceManager.getInstance().getService(element, IUIService.class);
IEditorHandlerDelegate delegate = service != null ? service.getDelegate(element, IEditorHandlerDelegate.class) : null;
IEditorInput input = (delegate != null) ? delegate.getEditorInput(element) : null;
try {
// Opens the Target Explorer properties editor
IEditorPart editor = page.openEditor(input, IUIConstants.ID_EDITOR);
// Lookup the ui service for post action
if (delegate != null)
delegate.postOpenEditor(editor, element);
} catch (PartInitException e) {
IStatus status = new Status(IStatus.ERROR, UIPlugin.getUniqueIdentifier(), Messages.OpenCommandHandler_error_openEditor, e);
UIPlugin.getDefault().getLog().log(status);
}
}
}
}
}
|