1
/*******************************************************************************
2
* Copyright (c) 2007, 2008 Wind River Systems, Inc. and others.
3
* All rights reserved. This program and the accompanying materials
4
* are made available under the terms of the Eclipse Public License v1.0
5
* which accompanies this distribution, and is available at
6
* http://www.eclipse.org/legal/epl-v10.html
9
* Markus Schorn - initial API and implementation
10
*******************************************************************************/
11
package org.eclipse.cdt.internal.ui.typehierarchy;
13
import java.util.HashMap;
14
import java.util.Iterator;
16
import org.eclipse.jface.resource.ImageDescriptor;
17
import org.eclipse.jface.viewers.IColorProvider;
18
import org.eclipse.jface.viewers.LabelProvider;
19
import org.eclipse.swt.SWT;
20
import org.eclipse.swt.graphics.Color;
21
import org.eclipse.swt.graphics.Image;
22
import org.eclipse.swt.graphics.Point;
23
import org.eclipse.swt.widgets.Display;
25
import org.eclipse.cdt.core.model.ICElement;
26
import org.eclipse.cdt.core.model.util.CElementBaseLabels;
27
import org.eclipse.cdt.ui.CElementImageDescriptor;
29
import org.eclipse.cdt.internal.ui.viewsupport.CElementImageProvider;
30
import org.eclipse.cdt.internal.ui.viewsupport.CUILabelProvider;
31
import org.eclipse.cdt.internal.ui.viewsupport.ImageImageDescriptor;
33
public class THLabelProvider extends LabelProvider implements IColorProvider {
34
private final static int LABEL_OPTIONS_SIMPLE= CElementBaseLabels.ALL_FULLY_QUALIFIED | CElementBaseLabels.M_PARAMETER_TYPES;
35
private final static int LABEL_OPTIONS_SHOW_FILES= LABEL_OPTIONS_SIMPLE | CElementBaseLabels.MF_POST_FILE_QUALIFIED;
37
private CUILabelProvider fCLabelProvider= new CUILabelProvider(LABEL_OPTIONS_SIMPLE, 0);
38
private THHierarchyModel fModel;
39
private HashMap<String, Image> fCachedImages= new HashMap<String, Image>();
40
private Color fColorInactive;
41
private boolean fMarkImplementers= true;
42
private boolean fHideNonImplementers= false;
44
public THLabelProvider(Display display, THHierarchyModel model) {
45
fColorInactive= display.getSystemColor(SWT.COLOR_DARK_GRAY);
50
public Image getImage(Object element) {
51
if (element instanceof THNode) {
52
THNode node= (THNode) element;
53
ICElement decl= node.getElement();
55
if (node.isFiltered() ||
56
(fHideNonImplementers && !node.isImplementor())) {
57
fCLabelProvider.setImageFlags(CElementImageProvider.LIGHT_TYPE_ICONS);
59
Image image= fCLabelProvider.getImage(decl);
60
fCLabelProvider.setImageFlags(0);
62
return decorateImage(image, node);
66
else if (element instanceof ICElement) {
67
return fCLabelProvider.getImage(element);
69
return super.getImage(element);
73
public String getText(Object element) {
74
if (element instanceof THNode) {
75
THNode node= (THNode) element;
76
ICElement decl= node.getElement();
78
String label= fCLabelProvider.getText(decl);
82
return super.getText(element);
86
public void dispose() {
87
fCLabelProvider.dispose();
88
for (Iterator<Image> iter = fCachedImages.values().iterator(); iter.hasNext();) {
89
Image image = iter.next();
92
fCachedImages.clear();
96
private Image decorateImage(Image image, THNode node) {
98
if (node.hasChildren()) {
99
if (fModel.getHierarchyKind() == THHierarchyModel.SUPER_TYPE_HIERARCHY) {
100
flags |= CElementImageDescriptor.RELATES_TO;
103
flags |= CElementImageDescriptor.REFERENCED_BY;
106
if (fMarkImplementers && node.isImplementor()) {
107
flags |= CElementImageDescriptor.DEFINES;
110
String key= image.toString()+String.valueOf(flags);
111
Image result= fCachedImages.get(key);
112
if (result == null) {
113
ImageDescriptor desc= new CElementImageDescriptor(
114
new ImageImageDescriptor(image), flags, new Point(20,16));
115
result= desc.createImage();
116
fCachedImages.put(key, result);
121
public Color getBackground(Object element) {
125
public Color getForeground(Object element) {
126
if (element instanceof THNode) {
127
THNode node= (THNode) element;
128
if (node.isFiltered()) {
129
return fColorInactive;
135
public void setShowFiles(boolean show) {
136
fCLabelProvider.setTextFlags(show ? LABEL_OPTIONS_SHOW_FILES : LABEL_OPTIONS_SIMPLE);
139
public void setMarkImplementers(boolean val) {
140
fMarkImplementers= val;
143
public void setHideNonImplementers(boolean val) {
144
fHideNonImplementers= val;