blob: f01a6b7b21234cbbd2b3b846cfd5d2e81755c125 (
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
|
/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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:
* Victor Roldan Betancort - initial API and implementation
* Eike Stepper - maintenance
*/
package org.eclipse.emf.cdo.internal.ui.actions;
import org.eclipse.net4j.util.container.IContainer;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import java.util.List;
/**
* @author Victor Roldan Betancort
*/
public class RemoveContainerItemAction<E> extends AbstractContainerAction<E>
{
private ISelectionProvider selectionProvider;
private transient List<E> targets;
public RemoveContainerItemAction(IContainer.Modifiable<E> container, ISelectionProvider selectionProvider)
{
super(container);
this.selectionProvider = selectionProvider;
}
@Override
protected void preRun() throws Exception
{
ISelection selection = selectionProvider.getSelection();
if (selection instanceof IStructuredSelection)
{
IStructuredSelection ssel = (IStructuredSelection)selection;
if (!ssel.isEmpty())
{
@SuppressWarnings("unchecked")
List<E> cast = ssel.toList();
targets = cast;
return;
}
}
cancel();
}
@Override
protected void doRun(IProgressMonitor progressMonitor) throws Exception
{
if (targets != null)
{
List<E> useTargets = targets;
targets = null;
IContainer.Modifiable<E> container = getContainer();
container.removeAllElements(useTargets);
}
}
}
|