blob: 2f8eb354627f5778a9328e147bf652afe40e4488 (
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
|
/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.viewsupport;
import org.eclipse.cdt.core.browser.ITypeInfo;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.internal.ui.CUIMessages;
import org.eclipse.cdt.ui.browser.typeinfo.TypeInfoLabelProvider;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
/**
* Add the <code>StatusBarUpdater</code> to your ViewPart to have the statusbar
* describing the selected elements.
*/
public class StatusBarUpdater implements ISelectionChangedListener {
private final int LABEL_FLAGS= CElementLabels.DEFAULT_QUALIFIED | CElementLabels.ROOT_POST_QUALIFIED | CElementLabels.APPEND_ROOT_PATH |
CElementLabels.M_PARAMETER_TYPES | CElementLabels.M_PARAMETER_NAMES | CElementLabels.M_APP_RETURNTYPE | CElementLabels.M_EXCEPTIONS |
CElementLabels.F_APP_TYPE_SIGNATURE;
private final TypeInfoLabelProvider fTypeInfoLabelProvider = new TypeInfoLabelProvider(TypeInfoLabelProvider.SHOW_FULLY_QUALIFIED + TypeInfoLabelProvider.SHOW_PATH);
private IStatusLineManager fStatusLineManager;
public StatusBarUpdater(IStatusLineManager statusLineManager) {
fStatusLineManager= statusLineManager;
}
/*
* @see ISelectionChangedListener#selectionChanged
*/
public void selectionChanged(SelectionChangedEvent event) {
String statusBarMessage= formatMessage(event.getSelection());
fStatusLineManager.setMessage(statusBarMessage);
}
protected String formatMessage(ISelection sel) {
if (sel instanceof IStructuredSelection && !sel.isEmpty()) {
IStructuredSelection selection= (IStructuredSelection) sel;
int nElements= selection.size();
if (nElements > 1) {
return CUIMessages.getFormattedString("StatusBarUpdater.num_elements_selected", String.valueOf(nElements)); //$NON-NLS-1$
} else {
Object elem= selection.getFirstElement();
if (elem instanceof ICElement) {
return formatCElementMessage((ICElement) elem);
} else if (elem instanceof ITypeInfo) {
return formatTypeInfoMessage((ITypeInfo) elem);
} else if (elem instanceof IResource) {
return formatResourceMessage((IResource) elem);
}
}
}
return ""; //$NON-NLS-1$
}
private String formatCElementMessage(ICElement element) {
return CElementLabels.getElementLabel(element, LABEL_FLAGS);
}
private String formatTypeInfoMessage(ITypeInfo info) {
return fTypeInfoLabelProvider.getText(info);
}
private String formatResourceMessage(IResource element) {
IContainer parent= element.getParent();
if (parent != null && parent.getType() != IResource.ROOT)
return element.getName() + CElementLabels.CONCAT_STRING + parent.getFullPath().makeRelative().toString();
else
return element.getName();
}
}
|
