01: /*******************************************************************************
02: * Copyright (c) 2000, 2006 IBM Corporation and others.
03: * All rights reserved. This program and the accompanying materials
04: * are made available under the terms of the Eclipse Public License v1.0
05: * which accompanies this distribution, and is available at
06: * http://www.eclipse.org/legal/epl-v10.html
07: *
08: * Contributors:
09: * IBM Corporation - initial API and implementation
10: *******************************************************************************/package org.eclipse.jdt.internal.ui.refactoring;
11:
12: import org.eclipse.core.runtime.Assert;
13:
14: import org.eclipse.swt.widgets.Table;
15: import org.eclipse.swt.widgets.TableItem;
16: import org.eclipse.swt.widgets.Widget;
17:
18: import org.eclipse.jface.viewers.CheckboxTableViewer;
19:
20: import org.eclipse.jdt.internal.corext.refactoring.structure.IMemberActionInfo;
21:
22: class PullPushCheckboxTableViewer extends CheckboxTableViewer {
23: public PullPushCheckboxTableViewer(Table table) {
24: super (table);
25: }
26:
27: /*
28: * @see org.eclipse.jface.viewers.StructuredViewer#doUpdateItem(org.eclipse.swt.widgets.Widget, java.lang.Object, boolean)
29: */
30: protected void doUpdateItem(Widget widget, Object element,
31: boolean fullMap) {
32: super .doUpdateItem(widget, element, fullMap);
33: if (!(widget instanceof TableItem))
34: return;
35: TableItem item = (TableItem) widget;
36: IMemberActionInfo info = (IMemberActionInfo) element;
37: item
38: .setChecked(PullPushCheckboxTableViewer
39: .getCheckState(info));
40: Assert.isTrue(item.getChecked() == PullPushCheckboxTableViewer
41: .getCheckState(info));
42: }
43:
44: /*
45: * @see org.eclipse.jface.viewers.Viewer#inputChanged(java.lang.Object, java.lang.Object)
46: */
47: protected void inputChanged(Object input, Object oldInput) {
48: super .inputChanged(input, oldInput);
49: // XXX workaround for http://bugs.eclipse.org/bugs/show_bug.cgi?id=9390
50: setCheckState((IMemberActionInfo[]) input);
51: }
52:
53: private void setCheckState(IMemberActionInfo[] infos) {
54: if (infos == null)
55: return;
56: for (int i = 0; i < infos.length; i++) {
57: IMemberActionInfo info = infos[i];
58: setChecked(info, PullPushCheckboxTableViewer
59: .getCheckState(info));
60: }
61: }
62:
63: private static boolean getCheckState(IMemberActionInfo info) {
64: return info.isActive();
65: }
66:
67: /*
68: * @see org.eclipse.jface.viewers.Viewer#refresh()
69: */
70: public void refresh() {
71: int topIndex = getTable().getTopIndex();
72: super .refresh();
73: // XXX workaround for http://bugs.eclipse.org/bugs/show_bug.cgi?id=9390
74: setCheckState((IMemberActionInfo[]) getInput());
75: if (topIndex < getTable().getItemCount())
76: getTable().setTopIndex(topIndex); //see bug 31645
77: }
78: }
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