/******************************************************************************* | |
* Copyright (c) 2007, 2008 Wind River Systems, Inc. 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: | |
* Markus Schorn - initial API and implementation | |
* IBM Corporation | |
*******************************************************************************/ | |
/* -- ST-Origin -- | |
* Source folder: org.eclipse.cdt.ui/src | |
* Class: org.eclipse.cdt.internal.ui.typehierarchy.THLabelProvider | |
* Version: 1.7 | |
*/ | |
package org.eclipse.ptp.internal.rdt.ui.typehierarchy; | |
import java.util.HashMap; | |
import java.util.Iterator; | |
import org.eclipse.cdt.core.model.ICElement; | |
import org.eclipse.cdt.core.model.util.CElementBaseLabels; | |
import org.eclipse.cdt.internal.ui.typehierarchy.THNode; | |
import org.eclipse.cdt.internal.ui.viewsupport.CElementImageProvider; | |
import org.eclipse.cdt.internal.ui.viewsupport.CUILabelProvider; | |
import org.eclipse.cdt.internal.ui.viewsupport.ImageImageDescriptor; | |
import org.eclipse.cdt.ui.CElementImageDescriptor; | |
import org.eclipse.jface.resource.ImageDescriptor; | |
import org.eclipse.jface.viewers.IColorProvider; | |
import org.eclipse.jface.viewers.LabelProvider; | |
import org.eclipse.swt.SWT; | |
import org.eclipse.swt.graphics.Color; | |
import org.eclipse.swt.graphics.Image; | |
import org.eclipse.swt.graphics.Point; | |
import org.eclipse.swt.widgets.Display; | |
public class THLabelProvider extends LabelProvider implements IColorProvider { | |
private final static int LABEL_OPTIONS_SIMPLE= CElementBaseLabels.ALL_FULLY_QUALIFIED | CElementBaseLabels.M_PARAMETER_TYPES; | |
private final static int LABEL_OPTIONS_SHOW_FILES= LABEL_OPTIONS_SIMPLE | CElementBaseLabels.MF_POST_FILE_QUALIFIED; | |
private CUILabelProvider fCLabelProvider= new CUILabelProvider(LABEL_OPTIONS_SIMPLE, 0); | |
private THHierarchyModel fModel; | |
private HashMap<String, Image> fCachedImages= new HashMap<String, Image>(); | |
private Color fColorInactive; | |
private boolean fMarkImplementers= true; | |
private boolean fHideNonImplementers= false; | |
public THLabelProvider(Display display, THHierarchyModel model) { | |
fColorInactive= display.getSystemColor(SWT.COLOR_DARK_GRAY); | |
fModel= model; | |
} | |
@Override | |
public Image getImage(Object element) { | |
if (element instanceof THNode) { | |
THNode node= (THNode) element; | |
ICElement decl= node.getElement(); | |
if (decl != null) { | |
if (node.isFiltered() || | |
(fHideNonImplementers && !node.isImplementor())) { | |
fCLabelProvider.setImageFlags(CElementImageProvider.LIGHT_TYPE_ICONS); | |
} | |
Image image= fCLabelProvider.getImage(decl); | |
fCLabelProvider.setImageFlags(0); | |
if (image != null) { | |
return decorateImage(image, node); | |
} | |
} | |
} | |
else if (element instanceof ICElement) { | |
return fCLabelProvider.getImage(element); | |
} | |
return super.getImage(element); | |
} | |
@Override | |
public String getText(Object element) { | |
if (element instanceof THNode) { | |
THNode node= (THNode) element; | |
ICElement decl= node.getElement(); | |
if (decl != null) { | |
String label= fCLabelProvider.getText(decl); | |
return label; | |
} | |
} | |
return super.getText(element); | |
} | |
@Override | |
public void dispose() { | |
fCLabelProvider.dispose(); | |
for (Iterator<Image> iter = fCachedImages.values().iterator(); iter.hasNext();) { | |
Image image = iter.next(); | |
image.dispose(); | |
} | |
fCachedImages.clear(); | |
super.dispose(); | |
} | |
private Image decorateImage(Image image, THNode node) { | |
int flags= 0; | |
if (node.hasChildren()) { | |
if (fModel.getHierarchyKind() == THHierarchyModel.SUPER_TYPE_HIERARCHY) { | |
flags |= CElementImageDescriptor.RELATES_TO; | |
} | |
else { | |
flags |= CElementImageDescriptor.REFERENCED_BY; | |
} | |
} | |
if (fMarkImplementers && node.isImplementor()) { | |
flags |= CElementImageDescriptor.DEFINES; | |
} | |
String key= image.toString()+String.valueOf(flags); | |
Image result= fCachedImages.get(key); | |
if (result == null) { | |
ImageDescriptor desc= new CElementImageDescriptor( | |
new ImageImageDescriptor(image), flags, new Point(20,16)); | |
result= desc.createImage(); | |
fCachedImages.put(key, result); | |
} | |
return result; | |
} | |
public Color getBackground(Object element) { | |
return null; | |
} | |
public Color getForeground(Object element) { | |
if (element instanceof THNode) { | |
THNode node= (THNode) element; | |
if (node.isFiltered()) { | |
return fColorInactive; | |
} | |
} | |
return null; | |
} | |
public void setShowFiles(boolean show) { | |
fCLabelProvider.setTextFlags(show ? LABEL_OPTIONS_SHOW_FILES : LABEL_OPTIONS_SIMPLE); | |
} | |
public void setMarkImplementers(boolean val) { | |
fMarkImplementers= val; | |
} | |
public void setHideNonImplementers(boolean val) { | |
fHideNonImplementers= val; | |
} | |
} |