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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*******************************************************************************
* Copyright (c) 2006, 2013 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation;
import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ListSelectionDialog;
import org.eclipse.ui.texteditor.IUpdate;
/**
* Configures visible columns in an asynch tree viewer/
*
* @since 3.2
*/
public class ConfigureColumnsAction extends Action implements IUpdate {
private TreeModelViewer fViewer;
class ColumnContentProvider implements IStructuredContentProvider {
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
@Override
public Object[] getElements(Object inputElement) {
return ((IColumnPresentation)inputElement).getAvailableColumns();
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
@Override
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
class ColumnLabelProvider extends LabelProvider {
private Map<ImageDescriptor, Image> fImages = new HashMap<ImageDescriptor, Image>();
@Override
public Image getImage(Object element) {
ImageDescriptor imageDescriptor = fViewer.getColumnPresentation().getImageDescriptor((String)element);
if (imageDescriptor != null) {
Image image = fImages.get(imageDescriptor);
if (image == null) {
image = imageDescriptor.createImage();
fImages.put(imageDescriptor, image);
}
return image;
}
return null;
}
@Override
public String getText(Object element) {
return fViewer.getColumnPresentation().getHeader((String)element);
}
@Override
public void dispose() {
super.dispose();
for (Image image : fImages.values()) {
image.dispose();
}
fImages.clear();
}
}
public ConfigureColumnsAction(TreeModelViewer viewer) {
setText(ActionMessages.ConfigureColumnsAction_0);
setId(DebugUIPlugin.getUniqueIdentifier() + ".ConfigureColumnsAction"); //$NON-NLS-1$
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.CONFIGURE_COLUMNS_ACTION);
fViewer = viewer;
}
/* (non-Javadoc)
* @see org.eclipse.ui.texteditor.IUpdate#update()
*/
@Override
public void update() {
setEnabled(fViewer.isShowColumns());
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
ListSelectionDialog dialog = new ListSelectionDialog(
fViewer.getControl().getShell(),
fViewer.getColumnPresentation(),
new ColumnContentProvider(),
new ColumnLabelProvider(),
ActionMessages.ConfigureColumnsAction_1);
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.CONFIGURE_COLUMNS_DIALOG);
String[] visibleColumns = fViewer.getVisibleColumns();
List<String> initialSelection = new ArrayList<String>(visibleColumns.length);
for (int i = 0; i < visibleColumns.length; i++) {
initialSelection.add(visibleColumns[i]);
}
dialog.setTitle(ActionMessages.ConfigureColumnsAction_2);
dialog.setInitialElementSelections(initialSelection);
if (dialog.open() == Window.OK) {
Object[] result = dialog.getResult();
if (result.length == 0) {
fViewer.setShowColumns(false);
} else {
String[] ids = new String[result.length];
System.arraycopy(result, 0, ids, 0, result.length);
fViewer.resetColumnSizes(ids);
fViewer.setVisibleColumns(ids);
}
}
}
}
|
