| /******************************************************************************* |
| * Copyright (c) 2006, 2010 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.callhierarchy.CHLabelProvider |
| * Version: 1.10 |
| */ |
| |
| package org.eclipse.ptp.internal.rdt.ui.callhierarchy; |
| |
| 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.callhierarchy.CHMessages; |
| import org.eclipse.cdt.internal.ui.callhierarchy.CHMultiDefNode; |
| import org.eclipse.cdt.internal.ui.callhierarchy.CHNode; |
| 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.cdt.ui.CUIPlugin; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.viewers.IColorProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.osgi.util.NLS; |
| 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 CHLabelProvider extends LabelProvider implements IColorProvider { |
| private final static int LABEL_OPTIONS_SIMPLE = CElementBaseLabels.ALL_FULLY_QUALIFIED |
| | CElementBaseLabels.M_PARAMETER_TYPES | CElementBaseLabels.TEMPLATE_ARGUMENTS; |
| private final static int LABEL_OPTIONS_SHOW_FILES= LABEL_OPTIONS_SIMPLE | CElementBaseLabels.MF_POST_FILE_QUALIFIED; |
| |
| private CUILabelProvider fCLabelProvider= new CUILabelProvider(LABEL_OPTIONS_SIMPLE, CElementImageProvider.OVERLAY_ICONS); |
| private CHContentProvider fContentProvider; |
| private HashMap<String, Image> fCachedImages= new HashMap<String, Image>(); |
| private Color fColorInactive; |
| |
| public CHLabelProvider(Display display, CHContentProvider cp) { |
| fColorInactive= display.getSystemColor(SWT.COLOR_DARK_GRAY); |
| fContentProvider= cp; |
| } |
| |
| @Override |
| public Image getImage(Object element) { |
| if (element instanceof CHNode) { |
| CHNode node= (CHNode) element; |
| Image image= null; |
| if (node.isInitializer()) { |
| ImageDescriptor desc= CElementImageProvider.getFunctionImageDescriptor(); |
| image= CUIPlugin.getImageDescriptorRegistry().get(desc); |
| } |
| else { |
| ICElement decl= node.getOneRepresentedDeclaration(); |
| if (decl != null) { |
| image= fCLabelProvider.getImage(decl); |
| } |
| } |
| if (image != null) { |
| return decorateImage(image, node); |
| } |
| } |
| return super.getImage(element); |
| } |
| |
| @Override |
| public String getText(Object element) { |
| if (element instanceof CHNode) { |
| CHNode node= (CHNode) element; |
| ICElement decl= node.getOneRepresentedDeclaration(); |
| if (decl != null) { |
| String label; |
| if (node.isMultiDef()) { |
| long options= fCLabelProvider.getTextFlags(); |
| fCLabelProvider.setTextFlags(LABEL_OPTIONS_SIMPLE); |
| label= fCLabelProvider.getText(decl); |
| fCLabelProvider.setTextFlags(options); |
| } |
| else { |
| label= fCLabelProvider.getText(decl); |
| if (node.isInitializer()) { |
| label= addInitializerDecoration(label); |
| } |
| } |
| int refCount= node.getReferenceCount(); |
| if (refCount > 1) { |
| label += NLS.bind(" ({0} {1})", new Integer(refCount), CHMessages.CHLabelProvider_matches); //$NON-NLS-1$ |
| } |
| return label; |
| } |
| } |
| return super.getText(element); |
| } |
| |
| private String addInitializerDecoration(String label) { |
| int i= 0; |
| char[] content= label.toCharArray(); |
| for (i = 0; i < content.length; i++) { |
| char c = content[i]; |
| if (c == '-' || Character.isWhitespace(c)) { |
| break; |
| } |
| } |
| StringBuffer buf= new StringBuffer(label.length() + 10); |
| buf.append("{init "); //$NON-NLS-1$ |
| buf.append(content, 0, i); |
| buf.append("}()"); //$NON-NLS-1$ |
| buf.append(content, i, content.length-i); |
| |
| return buf.toString(); |
| } |
| |
| @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, CHNode node) { |
| int flags= 0; |
| if (node.isRecursive()) { |
| flags |= CElementImageDescriptor.RECURSIVE_RELATION; |
| } |
| else if (fContentProvider.hasChildren(node)) { |
| if (fContentProvider.getComputeReferencedBy()) { |
| flags |= CElementImageDescriptor.REFERENCED_BY; |
| } |
| else { |
| if (node.isMultiDef()) { |
| flags |= CElementImageDescriptor.RELATES_TO_MULTIPLE; |
| } |
| else { |
| flags |= CElementImageDescriptor.RELATES_TO; |
| } |
| } |
| } |
| if (node.isReadAccess()) { |
| flags |= CElementImageDescriptor.READ_ACCESS; |
| } |
| if (node.isWriteAccess()) { |
| flags |= CElementImageDescriptor.WRITE_ACCESS; |
| } |
| |
| 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 CHMultiDefNode) { |
| return fColorInactive; |
| } |
| return null; |
| } |
| |
| public void setShowFiles(boolean show) { |
| fCLabelProvider.setTextFlags(show ? LABEL_OPTIONS_SHOW_FILES : LABEL_OPTIONS_SIMPLE); |
| } |
| } |