blob: 64b6d77fab07819a7871d642550aca349b5f14f7 (
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
|
/*******************************************************************************
* Copyright (c) 2009, 2017 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.internal.ui.disassembly;
import org.eclipse.cdt.dsf.debug.internal.ui.disassembly.provisional.DisassemblySelection;
import org.eclipse.cdt.dsf.debug.internal.ui.disassembly.provisional.IDisassemblySelection;
import org.eclipse.core.runtime.ListenerList;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
/**
* Selection provider for disassembly selections.
* Wraps the selection provider of the underlying text viewer and provides
* {@link IDisassemblySelection}s instead of {@link ITextSelection}s.
*
* @since 2.1
* @see IDisassemblySelection
*/
class DisassemblySelectionProvider implements ISelectionProvider {
private final ListenerList<ISelectionChangedListener> fListenerList = new ListenerList<>(ListenerList.IDENTITY);
private final ISelectionChangedListener fListener = event -> fireSelectionChanged(event);
private final DisassemblyPart fPart;
DisassemblySelectionProvider(DisassemblyPart disassemblyPart) {
fPart = disassemblyPart;
fPart.getTextViewer().getSelectionProvider().addSelectionChangedListener(fListener);
}
private void fireSelectionChanged(SelectionChangedEvent event) {
SelectionChangedEvent newEvent = new SelectionChangedEvent(this, getSelection());
for (ISelectionChangedListener listener : fListenerList) {
listener.selectionChanged(newEvent);
}
}
@Override
public void addSelectionChangedListener(ISelectionChangedListener listener) {
fListenerList.add(listener);
}
@Override
public ISelection getSelection() {
final ISourceViewer textViewer= fPart.getTextViewer();
ISelectionProvider provider = textViewer.getSelectionProvider();
if (provider != null) {
return new DisassemblySelection((ITextSelection) provider.getSelection(), fPart);
}
return StructuredSelection.EMPTY;
}
@Override
public void removeSelectionChangedListener(ISelectionChangedListener listener) {
fListenerList.remove(listener);
}
@Override
public void setSelection(ISelection selection) {
ISelectionProvider provider = fPart.getTextViewer().getSelectionProvider();
if (provider != null) {
provider.setSelection(selection);
}
}
}
|