blob: aba50be0a10d19b686f72c3ee34ca3a3a13917a0 (
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
|
/*******************************************************************************
* Copyright (c) 2003, 2013 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
*******************************************************************************/
package org.eclipse.debug.internal.ui.sourcelookup;
import java.util.List;
import org.eclipse.debug.core.sourcelookup.ISourceContainer;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.actions.SelectionListenerAction;
/**
* The action used to move source containers up in the list
*/
public class UpAction extends SourceContainerAction {
public UpAction() {
super(SourceLookupUIMessages.sourceTab_upButton);
}
/**
* Moves all selected entries up one position (if possible).
*
* @see IAction#run()
*/
@Override
public void run() {
List<ISourceContainer> targets = getOrderedSelection();
if (targets.isEmpty()) {
return;
}
int top = 0;
int index = 0;
List<ISourceContainer> list = getEntriesAsList();
for (ISourceContainer container : targets) {
index = list.indexOf(container);
if (index > top) {
top = index - 1;
ISourceContainer temp = list.get(top);
list.set(top, container);
list.set(index, temp);
}
top = index;
}
setEntries(list);
}
/**
* @see SelectionListenerAction#updateSelection(IStructuredSelection)
*/
@Override
protected boolean updateSelection(IStructuredSelection selection) {
//check that something is selected, it's not first in the list, and it is a root tree node.
return !selection.isEmpty() && !isIndexSelected(selection, 0) && getViewer().getTree().getSelection()[0].getParentItem()==null;
}
}
|
