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
|
/*******************************************************************************
* Copyright (c) 2006, 2007 Tom Schindl 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:
* Tom Schindl - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.snippets.viewers;
import java.util.ArrayList;
import org.eclipse.jface.resource.FontRegistry;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.swt.widgets.TreeItem;
/**
* A simple TreeViewer to demonstrate usage of inline editing
*
* @author Tom Schindl <tom.schindl@bestsolution.at>
*
*/
public class Snippet038TreeViewerInlinelEditingOldAPI {
private class MyContentProvider implements ITreeContentProvider {
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
@Override
public Object[] getElements(Object inputElement) {
return ((MyModel) inputElement).child.toArray();
}
/*
* (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) {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
@Override
public Object[] getChildren(Object parentElement) {
return getElements(parentElement);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
*/
@Override
public Object getParent(Object element) {
if (element == null) {
return null;
}
return ((MyModel) element).parent;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
*/
@Override
public boolean hasChildren(Object element) {
return ((MyModel) element).child.size() > 0;
}
}
public class MyModel {
public MyModel parent;
public ArrayList child = new ArrayList();
public int counter;
public MyModel(int counter, MyModel parent) {
this.parent = parent;
this.counter = counter;
}
@Override
public String toString() {
String rv = "Item ";
if (parent != null) {
rv = parent.toString() + ".";
}
rv += counter;
return rv;
}
}
public class MyLabelProvider extends LabelProvider implements
ITableLabelProvider {
FontRegistry registry = new FontRegistry();
@Override
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
@Override
public String getColumnText(Object element, int columnIndex) {
return "Column " + columnIndex + " => " + element.toString();
}
}
public Snippet038TreeViewerInlinelEditingOldAPI(Shell shell) {
final TreeViewer v = new TreeViewer(shell,SWT.FULL_SELECTION);
TreeColumn column = new TreeColumn(v.getTree(),SWT.NONE);
column.setWidth(200);
column.setText("Column 1");
column = new TreeColumn(v.getTree(),SWT.NONE);
column.setWidth(200);
column.setText("Column 2");
v.setCellEditors(new CellEditor[]{new TextCellEditor(v.getTree()), new TextCellEditor(v.getTree())});
v.setColumnProperties(new String[]{"col1","col2"});
v.setCellModifier(new ICellModifier() {
@Override
public boolean canModify(Object element, String property) {
return true;
}
@Override
public Object getValue(Object element, String property) {
return ((MyModel)element).counter+"";
}
@Override
public void modify(Object element, String property, Object value) {
((MyModel)((TreeItem)element).getData()).counter = Integer.parseInt(value.toString());
v.update(((TreeItem)element).getData(), null);
}
});
v.setLabelProvider(new MyLabelProvider());
v.setContentProvider(new MyContentProvider());
v.setInput(createModel());
}
private MyModel createModel() {
MyModel root = new MyModel(0, null);
root.counter = 0;
MyModel tmp;
for (int i = 1; i < 10; i++) {
tmp = new MyModel(i, root);
root.child.add(tmp);
for (int j = 1; j < i; j++) {
tmp.child.add(new MyModel(j, tmp));
}
}
return root;
}
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
new Snippet038TreeViewerInlinelEditingOldAPI(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
|