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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
/*******************************************************************************
* Copyright (c) 2008, 2011 Wind River Systems 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
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.viewers.model.provisional;
import org.eclipse.debug.internal.ui.viewers.model.InternalVirtualTreeModelViewer;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.ViewerLabel;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IMemento;
/**
* A virtual tree model viewer. This viewer does not have a user
* interface. Instead, clients configure and access the viewer's data through
* its public methods.
* <p>
* Style flags supported by this viewer are:
* <ul>
* <li>SWT.VIRTUAL - Indicates that the viewer should be in lazy mode:
* retrieving only elements that are requested.</li>
* <li>SWT.POP_UP - Indicates that the viewer should ignore requests from the
* model to select, expand, or collapse tree elements.</li>
* </ul>
* </p>
* @since 3.5
* @noextend This class is not intended to be sub-classed by clients.
*/
public class VirtualTreeModelViewer extends InternalVirtualTreeModelViewer {
/**
* Creates a virtual tree model viewer.
* @param display Display used by the viewer to call the data providers
* on the UI thread.
* @param style Stlye flags.
* @param context Viewer's presentation context.
*/
public VirtualTreeModelViewer(Display display, int style, IPresentationContext context) {
super(display, style, context, null);
}
/**
* Creates a virtual tree model viewer.
* @param display Display used by the viewer to call the data providers
* on the UI thread.
* @param style style flags.
* @param context Viewer's presentation context.
* @param validator Optional validator that is used to determine which items should be
* considered visible when SWT.VIRTUAL style is used. If <code>null</code> then the
* standard validator is used that updates only the selected items.
*
* @since 3.8
*/
public VirtualTreeModelViewer(Display display, int style, IPresentationContext context, IVirtualItemValidator validator) {
super(display, style, context, validator);
}
/**
* Returns this viewer's presentation context.
*
* @return presentation context
*/
@Override
public IPresentationContext getPresentationContext() {
return super.getPresentationContext();
}
/**
* Registers the given listener for model delta notification.
*
* @param listener model delta listener
*/
@Override
public void addModelChangedListener(IModelChangedListener listener) {
super.addModelChangedListener(listener);
}
/**
* Unregisters the given listener from model delta notification.
*
* @param listener model delta listener
*/
@Override
public void removeModelChangedListener(IModelChangedListener listener) {
super.removeModelChangedListener(listener);
}
/**
* Registers the specified listener for view update notifications.
*
* @param listener listener
*/
@Override
public void addViewerUpdateListener(IViewerUpdateListener listener) {
super.addViewerUpdateListener(listener);
}
/**
* Removes the specified listener from update notifications.
*
* @param listener listener
*/
@Override
public void removeViewerUpdateListener(IViewerUpdateListener listener) {
super.removeViewerUpdateListener(listener);
}
/**
* Returns whether columns can be toggled on/off for this viewer's current
* input element.
*
* @return whether columns can be toggled on/off
*/
@Override
public boolean canToggleColumns() {
return super.canToggleColumns();
}
/**
* Returns the current column presentation for this viewer, or <code>null</code>
* if none.
*
* @return column presentation or <code>null</code>
*/
@Override
public IColumnPresentation getColumnPresentation() {
return super.getColumnPresentation();
}
/**
* Returns identifiers of the visible columns in this viewer, or <code>null</code>
* if there are currently no columns.
*
* @return visible columns identifiers or <code>null</code>
*/
@Override
public String[] getVisibleColumns() {
return super.getVisibleColumns();
}
/**
* Initializes viewer state from the memento
*
* @param memento the {@link IMemento} to read from
*/
@Override
public void initState(IMemento memento) {
super.initState(memento);
}
/**
* Save viewer state into the given memento.
*
* @param memento the {@link IMemento} to save to
*/
@Override
public void saveState(IMemento memento) {
super.saveState(memento);
}
/**
* @return Returns true if columns are being displayed currently.
*/
@Override
public boolean isShowColumns() {
return super.isShowColumns();
}
/**
* Toggles columns on/off for the current column presentation, if any.
*
* @param show whether to show columns if the current input supports
* columns
*/
@Override
public void setShowColumns(boolean show) {
super.setShowColumns(show);
}
/**
* Sets the visible columns for this viewer. Id's correspond to
* column identifiers from a column presentation. Use <code>null</code>
* or an empty collection to display default columns for the current
* column presentation. Only affects the current column presentation.
*
* @param ids column identifiers or <code>null</code>
*/
@Override
public void setVisibleColumns(String[] ids) {
super.setVisibleColumns(ids);
}
@Override
public void updateViewer(IModelDelta delta) {
super.updateViewer(delta);
}
@Override
public ViewerLabel getElementLabel(TreePath path, String columnId) {
return super.getElementLabel(path, columnId);
}
@Override
public VirtualItem[] findItems(Object elementOrTreePath) {
return super.findItems(elementOrTreePath);
}
@Override
public VirtualItem findItem(TreePath path) {
return super.findItem(path);
}
}
|
