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1
11 package org.eclipse.jdt.internal.ui.wizards.dialogfields;
12
13 import java.util.ArrayList  ;
14 import java.util.Collection ;
15 import java.util.List ;
16
17 import org.eclipse.core.runtime.Assert;
18
19 import org.eclipse.swt.SWT;
20 import org.eclipse.swt.widgets.Composite;
21 import org.eclipse.swt.widgets.Control;
22 import org.eclipse.swt.widgets.Table;
23
24 import org.eclipse.jface.viewers.CheckStateChangedEvent;
25 import org.eclipse.jface.viewers.CheckboxTableViewer;
26 import org.eclipse.jface.viewers.ICheckStateListener;
27 import org.eclipse.jface.viewers.ILabelProvider;
28 import org.eclipse.jface.viewers.ISelection;
29 import org.eclipse.jface.viewers.TableViewer;
30
31
36 public class CheckedListDialogField extends ListDialogField {
37
38 private int fCheckAllButtonIndex;
39 private int fUncheckAllButtonIndex;
40
41 private List fCheckedElements;
42 private List fGrayedElements;
43
44 public CheckedListDialogField(IListAdapter adapter, String [] customButtonLabels, ILabelProvider lprovider) {
45 super(adapter, customButtonLabels, lprovider);
46 fCheckedElements= new ArrayList ();
47 fGrayedElements= new ArrayList ();
48
49 fCheckAllButtonIndex= -1;
50 fUncheckAllButtonIndex= -1;
51 }
52
53
58 public void setCheckAllButtonIndex(int checkButtonIndex) {
59 Assert.isTrue(checkButtonIndex < fButtonLabels.length);
60 fCheckAllButtonIndex= checkButtonIndex;
61 }
62
63
68 public void setUncheckAllButtonIndex(int uncheckButtonIndex) {
69 Assert.isTrue(uncheckButtonIndex < fButtonLabels.length);
70 fUncheckAllButtonIndex= uncheckButtonIndex;
71 }
72
73
74
77 protected TableViewer createTableViewer(Composite parent) {
78 Table table= new Table(parent, SWT.CHECK + getListStyle());
79 table.setFont(parent.getFont());
80 CheckboxTableViewer tableViewer= new CheckboxTableViewer(table);
81 tableViewer.addCheckStateListener(new ICheckStateListener() {
82 public void checkStateChanged(CheckStateChangedEvent e) {
83 doCheckStateChanged(e);
84 }
85 });
86 return tableViewer;
87 }
88
89
90
93 public Control getListControl(Composite parent) {
94 Control control= super.getListControl(parent);
95 if (parent != null) {
96 ((CheckboxTableViewer)fTable).setCheckedElements(fCheckedElements.toArray());
97 ((CheckboxTableViewer)fTable).setGrayedElements(fGrayedElements.toArray());
98 }
99 return control;
100 }
101
102
106 public void dialogFieldChanged() {
107 for (int i= fCheckedElements.size() -1; i >= 0; i--) {
108 if (!fElements.contains(fCheckedElements.get(i))) {
109 fCheckedElements.remove(i);
110 }
111 }
112 super.dialogFieldChanged();
113 }
114
115 private void checkStateChanged() {
116 super.dialogFieldChanged();
118 }
119
120
123 public List getCheckedElements() {
124 if (isOkToUse(fTableControl)) {
125 Object [] checked= ((CheckboxTableViewer) fTable).getCheckedElements();
127 ArrayList res= new ArrayList (checked.length);
128 for (int i= 0; i < checked.length; i++) {
129 res.add(checked[i]);
130 }
131 return res;
132 }
133
134
135 return new ArrayList (fCheckedElements);
136 }
137
138
141 public int getCheckedSize() {
142 return fCheckedElements.size();
143 }
144
145
148 public boolean isChecked(Object obj) {
149 if (isOkToUse(fTableControl)) {
150 return ((CheckboxTableViewer) fTable).getChecked(obj);
151 }
152
153 return fCheckedElements.contains(obj);
154 }
155
156 public boolean isGrayed(Object obj) {
157 if (isOkToUse(fTableControl)) {
158 return ((CheckboxTableViewer) fTable).getGrayed(obj);
159 }
160
161 return fGrayedElements.contains(obj);
162 }
163
164
167 public void setCheckedElements(Collection list) {
168 fCheckedElements= new ArrayList (list);
169 if (isOkToUse(fTableControl)) {
170 ((CheckboxTableViewer)fTable).setCheckedElements(list.toArray());
171 }
172 checkStateChanged();
173 }
174
175
178 public void setChecked(Object object, boolean state) {
179 setCheckedWithoutUpdate(object, state);
180 checkStateChanged();
181 }
182
183
186 public void setCheckedWithoutUpdate(Object object, boolean state) {
187 if (state) {
188 if (!fCheckedElements.contains(object)) {
189 fCheckedElements.add(object);
190 }
191 } else {
192 fCheckedElements.remove(object);
193 }
194 if (isOkToUse(fTableControl)) {
195 ((CheckboxTableViewer)fTable).setChecked(object, state);
196 }
197 }
198
199 public void setGrayedWithoutUpdate(Object object, boolean state) {
200 if (state) {
201 if (!fGrayedElements.contains(object)) {
202 fGrayedElements.add(object);
203 }
204 } else {
205 fGrayedElements.remove(object);
206 }
207 if (isOkToUse(fTableControl)) {
208 ((CheckboxTableViewer)fTable).setGrayed(object, state);
209 }
210 }
211
212
215 public void checkAll(boolean state) {
216 if (state) {
217 fCheckedElements= getElements();
218 } else {
219 fCheckedElements.clear();
220 }
221 if (isOkToUse(fTableControl)) {
222 ((CheckboxTableViewer)fTable).setAllChecked(state);
223 }
224 checkStateChanged();
225 }
226
227
228 private void doCheckStateChanged(CheckStateChangedEvent e) {
229 if (e.getChecked()) {
230 fCheckedElements.add(e.getElement());
231 } else {
232 fCheckedElements.remove(e.getElement());
233 }
234 checkStateChanged();
235 }
236
237
240 public void replaceElement(Object oldElement, Object newElement) throws IllegalArgumentException {
241 boolean wasChecked= isChecked(oldElement);
242 super.replaceElement(oldElement, newElement);
243 setChecked(newElement, wasChecked);
244 }
245
246
248
251 protected boolean getManagedButtonState(ISelection sel, int index) {
252 if (index == fCheckAllButtonIndex) {
253 return !fElements.isEmpty();
254 } else if (index == fUncheckAllButtonIndex) {
255 return !fElements.isEmpty();
256 }
257 return super.getManagedButtonState(sel, index);
258 }
259
260
263 protected boolean managedButtonPressed(int index) {
264 if (index == fCheckAllButtonIndex) {
265 checkAll(true);
266 } else if (index == fUncheckAllButtonIndex) {
267 checkAll(false);
268 } else {
269 return super.managedButtonPressed(index);
270 }
271 return true;
272 }
273
274 public void refresh() {
275 super.refresh();
276 if (isOkToUse(fTableControl)) {
277 ((CheckboxTableViewer)fTable).setCheckedElements(fCheckedElements.toArray());
278 ((CheckboxTableViewer)fTable).setGrayedElements(fGrayedElements.toArray());
279 }
280 }
281
282
283
284
285
286 }
287 |
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