shapeseditorpalettefactory.java

mywork是rcp开发的很好的例子

/*******************************************************************************
 * Copyright (c) 2004, 2005 Elias Volanakis 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:
�*����Elias Volanakis - initial API and implementation
�*******************************************************************************/
package net.sf.freenote;

import net.sf.freenote.mindmap.model.BranchShape;
import net.sf.freenote.mindmap.model.RootShape;
import net.sf.freenote.model.CircleShape;
import net.sf.freenote.model.EllipticalShape;
import net.sf.freenote.model.ImageFileShape;
import net.sf.freenote.model.LinkFileShape;
import net.sf.freenote.model.RectangularShape;
import net.sf.freenote.model.TextShape;
import net.sf.freenote.uml.model.ClassShape;
import net.sf.freenote.uml.model.SystemShape;
import net.sf.freenote.uml.model.UseCaseShape;
import net.sf.freenote.uml.model.UserRoleShape;

import org.eclipse.gef.palette.CombinedTemplateCreationEntry;
import org.eclipse.gef.palette.ConnectionCreationToolEntry;
import org.eclipse.gef.palette.PaletteContainer;
import org.eclipse.gef.palette.PaletteDrawer;
import org.eclipse.gef.palette.PaletteEntry;
import org.eclipse.gef.palette.PaletteGroup;
import org.eclipse.gef.palette.PaletteRoot;
import org.eclipse.gef.palette.PanningSelectionToolEntry;
import org.eclipse.gef.palette.ToolEntry;
import org.eclipse.gef.requests.CreationFactory;
import org.eclipse.gef.requests.SimpleFactory;


/**
 * Utility class that can create a GEF Palette.
 * @see #createPalette() 
 * @author Elias Volanakis
 */
final class ShapesEditorPaletteFactory {
/**
 * Creates the PaletteRoot and adds all palette elements.
 * Use this factory method to create a new palette for your graphical editor.
 * @return a new PaletteRoot
 */
static PaletteRoot createPalette() {
	PaletteRoot palette = new PaletteRoot();
	palette.add(createToolsGroup(palette));
	palette.add(createShapesDrawer());
	palette.add(createUmlShapesDrawer());
	palette.add(createMindMapShapesDrawer());
	palette.add(createGalleryDrawer());
	return palette;
}

/** Create the "Shapes" drawer. */
private static PaletteContainer createShapesDrawer() {
	PaletteDrawer componentsDrawer = new PaletteDrawer("常用工具");

	CombinedTemplateCreationEntry component = new CombinedTemplateCreationEntry(
			"椭圆", 
			"Create an elliptical shape", 
			EllipticalShape.class,
			new SimpleFactory(EllipticalShape.class), 
			ShapesPlugin.getImageDescriptor("icons/ellipse.gif"), 
			ShapesPlugin.getImageDescriptor("icons/ellipse.gif"));
	componentsDrawer.add(component);

	component = new CombinedTemplateCreationEntry(
			"矩形",
			"Create a rectangular shape", 
			RectangularShape.class,
			new SimpleFactory(RectangularShape.class), 
			ShapesPlugin.getImageDescriptor("icons/rectangle.gif"), 
			ShapesPlugin.getImageDescriptor("icons/rectangle.gif"));
	componentsDrawer.add(component);
	
	component = new CombinedTemplateCreationEntry(
			"圆形",
			"Create a circle shape", 
			CircleShape.class,
			new SimpleFactory(CircleShape.class), 
			ShapesPlugin.getImageDescriptor("icons/circle.gif"), 
			ShapesPlugin.getImageDescriptor("icons/circle.gif"));
	componentsDrawer.add(component);

	component = new CombinedTemplateCreationEntry(
			"文字",
			"Create a text shape", 
			TextShape.class,
			new SimpleFactory(TextShape.class), 
			ShapesPlugin.getImageDescriptor("icons/text.gif"), 
			ShapesPlugin.getImageDescriptor("icons/text.gif"));
	componentsDrawer.add(component);

	component = new CombinedTemplateCreationEntry(
			"图片",
			"Create a image shape from file", 
			ImageFileShape.class,
			new SimpleFactory(ImageFileShape.class), 
			ShapesPlugin.getImageDescriptor("icons/imagefile.gif"), 
			ShapesPlugin.getImageDescriptor("icons/imagefile.gif"));
	componentsDrawer.add(component);

	component = new CombinedTemplateCreationEntry(
			"文件",
			"Create a link shape from file", 
			LinkFileShape.class,
			new SimpleFactory(LinkFileShape.class), 
			ShapesPlugin.getImageDescriptor("icons/linkfile.gif"), 
			ShapesPlugin.getImageDescriptor("icons/linkfile.gif"));
	componentsDrawer.add(component);
	
	return componentsDrawer;
}
	

private static PaletteEntry createUmlShapesDrawer() {
	PaletteDrawer componentsDrawer = new PaletteDrawer("UML工具");

	CombinedTemplateCreationEntry component = new CombinedTemplateCreationEntry(
			"用例", 
			"创建一个用例", 
			UseCaseShape.class,
			new SimpleFactory(UseCaseShape.class), 
			ShapesPlugin.getImageDescriptor("icons/usecase.gif"), 
			ShapesPlugin.getImageDescriptor("icons/usecase.gif"));
	componentsDrawer.add(component);
	
	component = new CombinedTemplateCreationEntry(
			"角色", 
			"创建一个用角", 
			UserRoleShape.class,
			new SimpleFactory(UserRoleShape.class), 
			ShapesPlugin.getImageDescriptor("icons/userrole.gif"), 
			ShapesPlugin.getImageDescriptor("icons/userrole.gif"));
	componentsDrawer.add(component);

	component = new CombinedTemplateCreationEntry(
			"系统", 
			"创建一个系统", 
			SystemShape.class,
			new SimpleFactory(SystemShape.class), 
			ShapesPlugin.getImageDescriptor("icons/system.gif"), 
			ShapesPlugin.getImageDescriptor("icons/system.gif"));
	componentsDrawer.add(component);	

	component = new CombinedTemplateCreationEntry(
			"类图", 
			"创建一个类", 
			ClassShape.class,
			new SimpleFactory(ClassShape.class), 
			ShapesPlugin.getImageDescriptor("icons/class.gif"), 
			ShapesPlugin.getImageDescriptor("icons/class.gif"));
	componentsDrawer.add(component);	
	
	return componentsDrawer;
}

private static PaletteEntry createMindMapShapesDrawer() {
	PaletteDrawer componentsDrawer = new PaletteDrawer("MindMap");

	CombinedTemplateCreationEntry component = new CombinedTemplateCreationEntry(
			"中心主题", 
			"创建一个中心主题", 
			RootShape.class,
			new SimpleFactory(RootShape.class), 
			ShapesPlugin.getImageDescriptor("icons/root.gif"), 
			ShapesPlugin.getImageDescriptor("icons/root.gif"));
	componentsDrawer.add(component);
	
	component = new CombinedTemplateCreationEntry(
			"分支主题", 
			"创建一个分支主题", 
			BranchShape.class,
			new SimpleFactory(BranchShape.class), 
			ShapesPlugin.getImageDescriptor("icons/branch.gif"), 
			ShapesPlugin.getImageDescriptor("icons/branch.gif"));
	componentsDrawer.add(component);
	
	return componentsDrawer;
}

private static PaletteEntry createGalleryDrawer() {
	PaletteDrawer componentsDrawer = new PaletteDrawer("图集");
	componentsDrawer.setId("ICON_ONLY");

	for(final String path:GalleryHelper.getRegistry()){
		CombinedTemplateCreationEntry component = new CombinedTemplateCreationEntry(
				"", 
				"", 
				ImageFileShape.class,
				new CreationFactory(){
					public Object getNewObject() {
						return GalleryHelper.createImageFileShape(path);
					}
					public Object getObjectType() {
						return ImageFileShape.class;
					}
				}, 
				ShapesPlugin.getImageDescriptor(path), 
				ShapesPlugin.getImageDescriptor(path));
		component.setId("ICON_ONLY");
		componentsDrawer.add(component);
	}
	return componentsDrawer;
}

/** Create the "Tools" group. */
private static PaletteContainer createToolsGroup(PaletteRoot palette) {
	PaletteGroup toolGroup = new PaletteGroup("通用工具");

	// Add a selection tool to the group
	ToolEntry tool = new PanningSelectionToolEntry();
	tool.setLabel("选择");
	toolGroup.add(tool);
	palette.setDefaultEntry(tool);
	
	// Add a marquee tool to the group
//	MarqueeToolEntry marqueeTool = new MarqueeToolEntry();
//	marqueeTool.setLabel("框选");
//	toolGroup.add(marqueeTool);

	// Add a (unnamed) separator to the group
//	toolGroup.add(new PaletteSeparator());

	// Add (solid-line) connection tool 
	tool = new ConnectionCreationToolEntry(
			"连接",
			"创建一个连接",
			new CreationFactory() {
				public Object getNewObject() { return null; }
				// see ShapeEditPart#createEditPolicies() 
				// this is abused to transmit the desired line style 
				public Object getObjectType() { return new Integer(1); }
			},
			ShapesPlugin.getImageDescriptor("icons/connection_s.gif"),
			ShapesPlugin.getImageDescriptor("icons/connection_s.gif"));
	toolGroup.add(tool);
	
	// Add (dashed-line) connection tool
//	tool = new ConnectionCreationToolEntry(
//			"虚线连接",
//			"Create a dashed-line connection",
//			new CreationFactory() {
//				public Object getNewObject() { return null; }
//				// see ShapeEditPart#createEditPolicies()
//				// this is abused to transmit the desired line style 
//				public Object getObjectType() { return Connection.DASHED_CONNECTION; }
//			},
//			ShapesPlugin.getImageDescriptor("icons/connection_d.gif"),
//			ShapesPlugin.getImageDescriptor("icons/connection_d.gif"));
//	toolGroup.add(tool);

	return toolGroup;
}

/** Utility class. */
private ShapesEditorPaletteFactory() {
	// Utility class
}

}