freegrapheditor.java

经典的java图像处理程序源码

package com.mxgraph.swing.examples;

import java.awt.Color;
import java.awt.Point;
import java.net.URL;
import java.text.NumberFormat;
import java.util.Iterator;
import java.util.List;

import javax.swing.ImageIcon;
import javax.swing.UIManager;

import org.w3c.dom.Document;

import com.mxgraph.io.mxCodec;
import com.mxgraph.model.mxCell;
import com.mxgraph.model.mxGeometry;
import com.mxgraph.model.mxICell;
import com.mxgraph.model.mxIGraphModel;
import com.mxgraph.swing.mxGraphComponent;
import com.mxgraph.swing.examples.editor.BasicGraphEditor;
import com.mxgraph.swing.examples.editor.EditorMenuBar;
import com.mxgraph.swing.examples.editor.EditorPalette;
import com.mxgraph.swing.util.mxGraphTransferable;
import com.mxgraph.util.mxConstants;
import com.mxgraph.util.mxEvent;
import com.mxgraph.util.mxEventObject;
import com.mxgraph.util.mxPoint;
import com.mxgraph.util.mxResources;
import com.mxgraph.util.mxUtils;
import com.mxgraph.util.mxEventSource.mxIEventListener;
import com.mxgraph.view.mxCellState;
import com.mxgraph.view.mxGraph;

public class FreeGraphEditor extends BasicGraphEditor
{

	/**
	 * Holds the shared number formatter.
	 * 
	 * @see NumberFormat#getInstance()
	 */
	public static final NumberFormat numberFormat = NumberFormat.getInstance();

	/**
	 * Holds the URL for the icon to be used as a handle for creating new
	 * connections. This is currently unused.
	 */
	public static URL url = null;

	//FreeGraphEditor.class.getResource("/com/mxgraph/swing/examples/images/connector.gif");

	/**
	 * 
	 */
	public FreeGraphEditor()
	{
		super("mxGraph Editor", new CustomGraphComponent(new CustomGraph()));
		final mxGraph graph = graphComponent.getGraph();

		// Creates the shapes palette
		EditorPalette shapesPalette = insertPalette(mxResources.get("shapes"));
		EditorPalette imagesPalette = insertPalette(mxResources.get("images"));
		EditorPalette symbolsPalette = insertPalette(mxResources.get("symbols"));

		// Sets the edge template to be used for creating new edges if an edge
		// is clicked in the shape palette
		shapesPalette.addListener(mxEvent.SELECT,
				new mxIEventListener()
				{
					public void invoke(Object sender, mxEventObject evt)
					{
						if (evt.getArgCount() > 0
								&& evt.getArgAt(1) instanceof mxGraphTransferable)
						{
							mxGraphTransferable t = (mxGraphTransferable) evt
									.getArgAt(1);
							Object cell = t.getCells()[0];

							if (graph.getModel().isEdge(cell))
							{
								((CustomGraph) graph).setEdgeTemplate(cell);
							}
						}
					}

				});

		// Adds some template cells for dropping into the graph
		shapesPalette
				.addTemplate(
						"Container",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/swimlane.png")),
						"swimlane", 280, 280, "Container");
		shapesPalette
				.addTemplate(
						"Rectangle",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/rectangle.png")),
						null, 160, 120, "");
		shapesPalette
				.addTemplate(
						"Rounded Rectangle",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/rounded.png")),
						"rounded=1", 160, 120, "");
		shapesPalette
				.addTemplate(
						"Ellipse",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/ellipse.png")),
						"ellipse", 160, 160, "");
		shapesPalette
				.addTemplate(
						"Double Ellipse",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/doubleellipse.png")),
						"ellipse;shape=doubleEllipse", 160, 160, "");
		shapesPalette
				.addTemplate(
						"Triangle",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/triangle.png")),
						"triangle", 120, 160, "");
		shapesPalette
				.addTemplate(
						"Rhombus",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/rhombus.png")),
						"rhombus", 160, 160, "");
		shapesPalette
				.addTemplate(
						"Horizontal Line",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/hline.png")),
						"line", 160, 10, "");
		shapesPalette
				.addTemplate(
						"Hexagon",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/hexagon.png")),
						"shape=hexagon", 160, 120, "");
		shapesPalette
				.addTemplate(
						"Cylinder",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/cylinder.png")),
						"shape=cylinder", 120, 160, "");
		shapesPalette.addTemplate("Actor", new ImageIcon(FreeGraphEditor.class
				.getResource("/com/mxgraph/swing/examples/images/actor.png")),
				"shape=actor", 120, 160, "");
		shapesPalette.addTemplate("Cloud", new ImageIcon(FreeGraphEditor.class
				.getResource("/com/mxgraph/swing/examples/images/cloud.png")),
				"ellipse;shape=cloud", 160, 120, "");

		shapesPalette
				.addEdgeTemplate(
						"Straight",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/straight.png")),
						"straight", 120, 120, "");
		shapesPalette
				.addEdgeTemplate(
						"Horizontal Connector",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/connect.png")),
						null, 100, 100, "");
		shapesPalette
				.addEdgeTemplate(
						"Vertical Connector",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/vertical.png")),
						"vertical", 100, 100, "");
		shapesPalette
				.addEdgeTemplate(
						"Entity Relation",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/entity.png")),
						"entity", 100, 100, "");
		shapesPalette
				.addEdgeTemplate(
						"Arrow",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/arrow.png")),
						"arrow", 120, 120, "");

		imagesPalette.addTemplate("Bell", new ImageIcon(FreeGraphEditor.class
				.getResource("/com/mxgraph/swing/examples/images/bell.png")),
				"image;image=/com/mxgraph/swing/examples/images/bell.png", 50,
				50, "Bell");
		imagesPalette.addTemplate("Box", new ImageIcon(FreeGraphEditor.class
				.getResource("/com/mxgraph/swing/examples/images/box.png")),
				"image;image=/com/mxgraph/swing/examples/images/box.png", 50,
				50, "Box");
		imagesPalette
				.addTemplate(
						"Cube",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/cube_green.png")),
						"image;image=/com/mxgraph/swing/examples/images/cube_green.png",
						50, 50, "Cube");
		imagesPalette
				.addTemplate(
						"User",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/dude3.png")),
						"roundImage;image=/com/mxgraph/swing/examples/images/dude3.png",
						50, 50, "User");
		imagesPalette
				.addTemplate(
						"Earth",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/earth.png")),
						"roundImage;image=/com/mxgraph/swing/examples/images/earth.png",
						50, 50, "Earth");
		imagesPalette.addTemplate("Gear", new ImageIcon(FreeGraphEditor.class
				.getResource("/com/mxgraph/swing/examples/images/gear.png")),
				"roundImage;image=/com/mxgraph/swing/examples/images/gear.png",
				50, 50, "Gear");
		imagesPalette.addTemplate("Home", new ImageIcon(FreeGraphEditor.class
				.getResource("/com/mxgraph/swing/examples/images/house.png")),
				"image;image=/com/mxgraph/swing/examples/images/house.png", 50,
				50, "Home");
		imagesPalette
				.addTemplate(
						"Package",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/package.png")),
						"image;image=/com/mxgraph/swing/examples/images/package.png",
						50, 50, "Package");
		imagesPalette
				.addTemplate(
						"Printer",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/printer.png")),
						"image;image=/com/mxgraph/swing/examples/images/printer.png",
						50, 50, "Printer");
		imagesPalette.addTemplate("Server", new ImageIcon(FreeGraphEditor.class
				.getResource("/com/mxgraph/swing/examples/images/server.png")),
				"image;image=/com/mxgraph/swing/examples/images/server.png",
				50, 50, "Server");
		imagesPalette
				.addTemplate(
						"Workplace",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/workplace.png")),
						"image;image=/com/mxgraph/swing/examples/images/workplace.png",
						50, 50, "Workplace");
		imagesPalette
				.addTemplate(
						"Wrench",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/wrench.png")),
						"roundImage;image=/com/mxgraph/swing/examples/images/wrench.png",
						50, 50, "Wrench");

		symbolsPalette
				.addTemplate(
						"Cancel",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/cancel_end.png")),
						"roundImage;image=/com/mxgraph/swing/examples/images/cancel_end.png",
						80, 80, "Cancel");
		symbolsPalette
				.addTemplate(
						"Error",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/error.png")),
						"roundImage;image=/com/mxgraph/swing/examples/images/error.png",
						80, 80, "Error");
		symbolsPalette
				.addTemplate(
						"Event",
						new ImageIcon(
								FreeGraphEditor.class
										.getResource("/com/mxgraph/swing/examples/images/event.png")),
						"roundImage;image=/com/mxgraph/swing/examples/images/event.png",
						80, 80, "Event");