| /******************************************************************************* |
| * Copyright (c) 2000, 2010 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.gef.ui.stackview; |
| |
| import org.eclipse.swt.graphics.Image; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gef.commands.CommandStack; |
| |
| /** |
| * Internal class used for a debug view. |
| * |
| * @deprecated this class will be deleted |
| */ |
| public class TreeLabelProvider implements |
| org.eclipse.jface.viewers.ILabelProvider { |
| |
| /** The CommandStack **/ |
| protected CommandStack stack = null; |
| /** Icons associated with a TreeLabelProvider **/ |
| protected static Image yesIcon = ImageDescriptor.createFromFile( |
| TreeLabelProvider.class, "icons/YESGRN.gif").createImage(), //$NON-NLS-1$ |
| noIcon = ImageDescriptor.createFromFile(TreeLabelProvider.class, |
| "icons/NORED.gif").createImage(); //$NON-NLS-1$ |
| /** Label style constants **/ |
| public static byte NORMAL_LABEL_STYLE = 2, DEBUG_LABEL_STYLE = 3; |
| |
| /** Label style, NORMAL_LABEL_STYLE by default **/ |
| protected byte labelStyle = NORMAL_LABEL_STYLE; |
| |
| /** |
| * Creates a new TreeLabelProvider with the given CommandStack |
| * |
| * @param stack |
| * the CommandStack |
| */ |
| public TreeLabelProvider(CommandStack stack) { |
| this.stack = stack; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(ILabelProviderListener) |
| */ |
| public void addListener(ILabelProviderListener l) { |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() |
| */ |
| public void dispose() { |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object) |
| */ |
| public Image getImage(Object o) { |
| if (o instanceof Command) { |
| Command command = (Command) o; |
| // if(((DefaultCommandStack)stack).canUndoCommand(command)) |
| // return yesIcon; |
| // if(((DefaultCommandStack)stack).canRedoCommand(command)) |
| // return noIcon; |
| if (command.canUndo()) |
| return yesIcon; |
| else |
| return noIcon; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the label style of this TreeLabelProvider. |
| * |
| * @return the label style |
| */ |
| public byte getLabelStyle() { |
| return labelStyle; |
| } |
| |
| /** |
| * @see ILabelProvider#getText(java.lang.Object) |
| */ |
| public String getText(Object o) { |
| if (o instanceof CommandStack) |
| return "Command Stack";//$NON-NLS-1$ |
| if (o instanceof Command) { |
| if (getLabelStyle() == NORMAL_LABEL_STYLE) |
| if (((Command) o).getLabel() == null) |
| return "";//$NON-NLS-1$ |
| else |
| return ((Command) o).getLabel(); |
| if (getLabelStyle() == DEBUG_LABEL_STYLE) |
| if (((Command) o).getDebugLabel() == null) |
| return "";//$NON-NLS-1$ |
| else |
| return ((Command) o).getDebugLabel(); |
| } |
| if (o instanceof Command) |
| return ((Command) o).getLabel(); |
| return "???";//$NON-NLS-1$ |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, |
| * java.lang.String) |
| */ |
| public boolean isLabelProperty(Object element, String property) { |
| return false; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) |
| */ |
| public void removeListener(ILabelProviderListener l) { |
| } |
| |
| /** |
| * Sets the labelStyle to the passed value |
| * |
| * @param labelStyle |
| * the label style |
| */ |
| public void setLabelStyle(byte labelStyle) { |
| this.labelStyle = labelStyle; |
| } |
| |
| } |