blob: e340fc903b3ba840a4dbcd038fbb2075366a84b3 (
plain) (
blame)
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
|
/*******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Wind River Systems - Ted Williams - [Memory View] Memory View: Workflow Enhancements (Bug 215432)
*******************************************************************************/
package org.eclipse.debug.internal.ui.views.memory;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
/**
* Controls view tab enablement based on tab folder selection
*
* @since 3.0
*/
public class ViewTabEnablementManager implements SelectionListener {
/*
* (non-Javadoc)
* @see
* org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt
* .events.SelectionEvent)
*/
@Override
public void widgetSelected(SelectionEvent e) {
if (e.getSource() instanceof CTabFolder) {
handleTabFolderSelection(e);
}
}
/*
* (non-Javadoc)
* @see
* org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse
* .swt.events.SelectionEvent)
*/
@Override
public void widgetDefaultSelected(SelectionEvent e) {
}
private void handleTabFolderSelection(SelectionEvent event) {
CTabFolder folder = (CTabFolder) event.getSource();
CTabItem selectedItem = folder.getSelection();
IMemoryViewTab selectedViewTab;
// get selected view tab
if (selectedItem != null) {
Object obj = selectedItem.getData();
if (obj instanceof IMemoryViewTab) {
selectedViewTab = (IMemoryViewTab) obj;
} else {
return;
}
} else {
return;
}
// get all tabs
CTabItem[] allTabs = folder.getItems();
// check all tabs to make sure they are enabled/disabled properly
for (int i = 0; i < allTabs.length; i++) {
IMemoryViewTab viewTab;
Object obj = allTabs[i].getData();
if (obj instanceof IMemoryViewTab) {
viewTab = (IMemoryViewTab) obj;
// if view tab matches the selected item
if (viewTab == selectedViewTab && !viewTab.isEnabled()) {
// if the item has been selected and this tab is not enabled
// enable it.
viewTab.setEnabled(true);
viewTab.getRendering().activated();
} else if (viewTab != selectedViewTab && viewTab.isEnabled()) {
// if the tab is not selected, disable it
viewTab.setEnabled(false);
viewTab.getRendering().deactivated();
}
}
}
}
}
|
