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/*******************************************************************************
* Copyright (c) 2006, 2012 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:
* Markus Schorn - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.includebrowser;
import java.util.HashMap;
import java.util.Iterator;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.internal.ui.viewsupport.ImageImageDescriptor;
import org.eclipse.cdt.ui.CDTSharedImages;
import org.eclipse.cdt.ui.CElementImageDescriptor;
import org.eclipse.cdt.ui.CElementLabelProvider;
import org.eclipse.core.runtime.IPath;
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 IBLabelProvider extends LabelProvider implements IColorProvider {
private CElementLabelProvider fCLabelProvider = new CElementLabelProvider();
private Color fColorInactive;
private IBContentProvider fContentProvider;
private HashMap<String, Image> fCachedImages = new HashMap<String, Image>();
private boolean fShowFolders;
public IBLabelProvider(Display display, IBContentProvider cp) {
fColorInactive = display.getSystemColor(SWT.COLOR_DARK_GRAY);
fContentProvider = cp;
}
@Override
public Image getImage(Object element) {
if (element instanceof IBNode) {
IBNode node = (IBNode) element;
ITranslationUnit tu = node.getRepresentedTranslationUnit();
Image image = tu != null ? fCLabelProvider.getImage(tu)
: CDTSharedImages.getImage(CDTSharedImages.IMG_OBJS_TUNIT_HEADER);
return decorateImage(image, node);
}
return super.getImage(element);
}
@Override
public String getText(Object element) {
if (element instanceof IBNode) {
IBNode node = (IBNode) element;
IPath path = node.getRepresentedPath();
if (path != null) {
if (fShowFolders) {
return path.lastSegment() + " (" + path.removeLastSegments(1) + ")"; //$NON-NLS-1$ //$NON-NLS-2$
}
return path.lastSegment();
}
return node.getDirectiveName();
}
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, IBNode node) {
int flags = 0;
if (node.isSystemInclude()) {
flags |= CElementImageDescriptor.SYSTEM_INCLUDE;
}
if (!node.isActiveCode()) {
flags |= CElementImageDescriptor.INACTIVE;
}
if (node.isRecursive()) {
flags |= CElementImageDescriptor.RECURSIVE_RELATION;
} else if (fContentProvider.hasChildren(node)) {
if (fContentProvider.getComputeIncludedBy()) {
flags |= CElementImageDescriptor.REFERENCED_BY;
} else {
flags |= CElementImageDescriptor.RELATES_TO;
}
}
if (node.isActiveCode() && node.getRepresentedIFL() == null) {
flags |= CElementImageDescriptor.WARNING;
}
if (flags == 0) {
return image;
}
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;
}
@Override
public Color getBackground(Object element) {
return null;
}
@Override
public Color getForeground(Object element) {
if (element instanceof IBNode) {
IBNode node = (IBNode) element;
if (!node.isActiveCode()) {
return fColorInactive;
}
}
return null;
}
public void setShowFolders(boolean show) {
fShowFolders = show;
}
}
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