| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.editors.text; |
| |
| import java.util.Iterator; |
| import org.eclipse.swt.widgets.Display; |
| import java.util.Map; |
| import java.util.HashMap; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.jface.text.source.ISharedTextColors; |
| import org.eclipse.swt.graphics.RGB; |
| |
| /* |
| * @see org.eclipse.jface.text.source.ISharedTextColors |
| * @since 2.1 |
| */ |
| class SharedTextColors implements ISharedTextColors { |
| |
| /** The display table. */ |
| private Map fDisplayTable; |
| |
| /** Creates an returns a shared color manager. */ |
| public SharedTextColors() { |
| super(); |
| } |
| |
| /* |
| * @see ISharedTextColors#getColor(RGB) |
| */ |
| public Color getColor(RGB rgb) { |
| if (rgb == null) |
| return null; |
| |
| if (fDisplayTable == null) |
| fDisplayTable= new HashMap(2); |
| |
| Display display= Display.getCurrent(); |
| |
| Map colorTable= (Map) fDisplayTable.get(display); |
| if (colorTable == null) { |
| colorTable= new HashMap(10); |
| fDisplayTable.put(display, colorTable); |
| } |
| |
| Color color= (Color) colorTable.get(rgb); |
| if (color == null) { |
| color= new Color(display, rgb); |
| colorTable.put(rgb, color); |
| } |
| |
| return color; |
| } |
| |
| /* |
| * @see ISharedTextColors#dispose() |
| */ |
| public void dispose() { |
| if (fDisplayTable != null) { |
| Iterator j= fDisplayTable.values().iterator(); |
| while (j.hasNext()) { |
| Iterator i= ((Map) j.next()).values().iterator(); |
| while (i.hasNext()) |
| ((Color) i.next()).dispose(); |
| } |
| } |
| } |
| |
| } |