/**
* Copyright (c) 2006-2012, JGraph Ltd */
package com.mxgraph.examples.swing;
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.examples.swing.editor.BasicGraphEditor;
import com.mxgraph.examples.swing.editor.EditorMenuBar;
import com.mxgraph.examples.swing.editor.EditorPalette;
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.util.mxGraphTransferable;
import com.mxgraph.swing.util.mxSwingConstants;
import com.mxgraph.util.mxConstants;
import com.mxgraph.util.mxEvent;
import com.mxgraph.util.mxEventObject;
import com.mxgraph.util.mxEventSource.mxIEventListener;
import com.mxgraph.util.mxPoint;
import com.mxgraph.util.mxResources;
import com.mxgraph.util.mxUtils;
import com.mxgraph.view.mxCellState;
import com.mxgraph.view.mxGraph;
public class GraphEditor extends BasicGraphEditor
{
/**
*
*/
private static final long serialVersionUID = -4601740824088314699L;
/**
* 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;
//GraphEditor.class.getResource("/com/mxgraph/examples/swing/images/connector.gif");
public GraphEditor()
{
this("mxGraph Editor", new CustomGraphComponent(new CustomGraph()));
}
/**
*
*/
public GraphEditor(String appTitle, mxGraphComponent component)
{
super(appTitle, component);
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)
{
Object tmp = evt.getProperty("transferable");
if (tmp instanceof mxGraphTransferable)
{
mxGraphTransferable t = (mxGraphTransferable) tmp;
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(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/swimlane.png")),
"swimlane", 280, 280, "Container");
shapesPalette
.addTemplate(
"Icon",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/rounded.png")),
"icon;image=/com/mxgraph/examples/swing/images/wrench.png",
70, 70, "Icon");
shapesPalette
.addTemplate(
"Label",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/rounded.png")),
"label;image=/com/mxgraph/examples/swing/images/gear.png",
130, 50, "Label");
shapesPalette
.addTemplate(
"Rectangle",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/rectangle.png")),
null, 160, 120, "");
shapesPalette
.addTemplate(
"Rounded Rectangle",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/rounded.png")),
"rounded=1", 160, 120, "");
shapesPalette
.addTemplate(
"Double Rectangle",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/doublerectangle.png")),
"rectangle;shape=doubleRectangle", 160, 120, "");
shapesPalette
.addTemplate(
"Ellipse",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/ellipse.png")),
"ellipse", 160, 160, "");
shapesPalette
.addTemplate(
"Double Ellipse",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/doubleellipse.png")),
"ellipse;shape=doubleEllipse", 160, 160, "");
shapesPalette
.addTemplate(
"Triangle",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/triangle.png")),
"triangle", 120, 160, "");
shapesPalette
.addTemplate(
"Rhombus",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/rhombus.png")),
"rhombus", 160, 160, "");
shapesPalette
.addTemplate(
"Horizontal Line",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/hline.png")),
"line", 160, 10, "");
shapesPalette
.addTemplate(
"Hexagon",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/hexagon.png")),
"shape=hexagon", 160, 120, "");
shapesPalette
.addTemplate(
"Cylinder",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/cylinder.png")),
"shape=cylinder", 120, 160, "");
shapesPalette
.addTemplate(
"Actor",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/actor.png")),
"shape=actor", 120, 160, "");
shapesPalette
.addTemplate(
"Cloud",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/cloud.png")),
"ellipse;shape=cloud", 160, 120, "");
shapesPalette
.addEdgeTemplate(
"Straight",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/straight.png")),
"straight", 120, 120, "");
shapesPalette
.addEdgeTemplate(
"Horizontal Connector",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/connect.png")),
null, 100, 100, "");
shapesPalette
.addEdgeTemplate(
"Vertical Connector",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/vertical.png")),
"vertical", 100, 100, "");
shapesPalette
.addEdgeTemplate(
"Entity Relation",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/entity.png")),
"entity", 100, 100, "");
shapesPalette
.addEdgeTemplate(
"Arrow",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/arrow.png")),
"arrow", 120, 120, "");
imagesPalette
.addTemplate(
"Bell",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/bell.png")),
"image;image=/com/mxgraph/examples/swing/images/bell.png",
50, 50, "Bell");
imagesPalette
.addTemplate(
"Box",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/box.png")),
"image;image=/com/mxgraph/examples/swing/images/box.png",
50, 50, "Box");
imagesPalette
.addTemplate(
"Cube",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/cube_green.png")),
"image;image=/com/mxgraph/examples/swing/images/cube_green.png",
50, 50, "Cube");
imagesPalette
.addTemplate(
"User",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/dude3.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/dude3.png",
50, 50, "User");
imagesPalette
.addTemplate(
"Earth",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/earth.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/earth.png",
50, 50, "Earth");
imagesPalette
.addTemplate(
"Gear",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/gear.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/gear.png",
50, 50, "Gear");
imagesPalette
.addTemplate(
"Home",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/house.png")),
"image;image=/com/mxgraph/examples/swing/images/house.png",
50, 50, "Home");
imagesPalette
.addTemplate(
"Package",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/package.png")),
"image;image=/com/mxgraph/examples/swing/images/package.png",
50, 50, "Package");
imagesPalette
.addTemplate(
"Printer",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/printer.png")),
"image;image=/com/mxgraph/examples/swing/images/printer.png",
50, 50, "Printer");
imagesPalette
.addTemplate(
"Server",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/server.png")),
"image;image=/com/mxgraph/examples/swing/images/server.png",
50, 50, "Server");
imagesPalette
.addTemplate(
"Workplace",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/workplace.png")),
"image;image=/com/mxgraph/examples/swing/images/workplace.png",
50, 50, "Workplace");
imagesPalette
.addTemplate(
"Wrench",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/wrench.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/wrench.png",
50, 50, "Wrench");
symbolsPalette
.addTemplate(
"Cancel",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/cancel_end.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/cancel_end.png",
80, 80, "Cancel");
symbolsPalette
.addTemplate(
"Error",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/error.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/error.png",
80, 80, "Error");
symbolsPalette
.addTemplate(
"Event",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/event.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/event.png",
80, 80, "Event");
symbolsPalette
.addTemplate(
"Fork",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/fork.png")),
"rhombusImage;image=/com/mxgraph/examples/swing/images/fork.png",
80, 80, "Fork");
symbolsPalette
.addTemplate(
"Inclusive",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/inclusive.png")),
"rhombusImage;image=/com/mxgraph/examples/swing/images/inclusive.png",
80, 80, "Inclusive");
symbolsPalette
.addTemplate(
"Link",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/link.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/link.png",
80, 80, "Link");
symbolsPalette
.addTemplate(
"Merge",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/merge.png")),
"rhombusImage;image=/com/mxgraph/examples/swing/images/merge.png",
80, 80, "Merge");
symbolsPalette
.addTemplate(
"Message",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/message.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/message.png",
80, 80, "Message");
symbolsPalette
.addTemplate(
"Multiple",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/multiple.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/multiple.png",
80, 80, "Multiple");
symbolsPalette
.addTemplate(
"Rule",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/rule.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/rule.png",
80, 80, "Rule");
symbolsPalette
.addTemplate(
"Terminate",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/terminate.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/terminate.png",
80, 80, "Terminate");
symbolsPalette
.addTemplate(
"Timer",
new ImageIcon(
GraphEditor.class
.getResource("/com/mxgraph/examples/swing/images/timer.png")),
"roundImage;image=/com/mxgraph/examples/swing/images/timer.png",
80, 80, "Timer");
}
/**
*
*/
public static class CustomGraphComponent extends mxGraphComponent
{
/**
*
*/
private static final long serialVersionUID = -6833603133512882012L;
/**
*
* @param graph
*/
public CustomGraphComponent(mxGraph graph)
{
super(graph);
// Sets switches typically used in an editor
setPageVisible(true);
setGridVisible(true);
setToolTips(true);
getConnectionHandler().setCreateTarget(true);
// Loads the defalt stylesheet from an external file
mxCodec codec = new mxCodec();
Document doc = mxUtils.loadDocument(GraphEditor.class.getResource(
"/com/mxgraph/examples/swing/resources/default-style.xml")
.toString());
codec.decode(doc.getDocumentElement(), graph.getStylesheet());
// Sets the background to white
getViewport().setOpaque(true);
getViewport().setBackground(Color.WHITE);
}
/**
* Overrides drop behaviour to set the cell style if the target
* is not a valid drop target and the cells are of the same
* type (eg. both vertices or both edges).
*/
public Object[] importCells(Object[] cells, double dx, double dy,
Object target, Point location)
{
if (target == null && cells.length == 1 && location != null)
{
target = getCellAt(location.x, location.y);
if (target instanceof mxICell && cells[0] instanceof mxICell)
{
mxICell targetCell = (mxICell) target;
mxICell dropCell = (mxICell) cells[0];
if (targetCell.isVertex() == dropCell.isVertex()
|| targetCell.isEdge() == dropCell.isEdge())
{
mxIGraphModel model = graph.getModel();
model.setStyle(target, model.getStyle(cells[0]));
graph.setSelectionCell(target);
return null;
}
}
}
return super.importCells(cells, dx, dy, target, location);
}
}
/**
* A graph that creates new edges from a given template edge.
*/
public static class CustomGraph extends mxGraph
{
/**
* Holds the edge to be used as a template for inserting new edges.
*/
protected Object edgeTemplate;
/**
* Custom graph that defines the alternate edge style to be used when
* the middle control point of edges is double clicked (flipped).
*/
public CustomGraph()
{
setAlternateEdgeStyle("edgeStyle=mxEdgeStyle.ElbowConnector;elbow=vertical");
}
/**
* Sets the edge template to be used to inserting edges.
*/
public void setEdgeTemplate(Object template)
{
edgeTemplate = template;
}
/**
* Prints out some useful information about the cell in the tooltip.
*/
public String getToolTipForCell(Object cell)
{
String tip = "<html>";
mxGeometry geo = getModel().getGeometry(cell);
mxCellState state = getView().getState(cell);
if (getModel().isEdge(cell))
{
tip += "points={";
if (geo != null)
{
List<mxPoint> points = geo.getPoints();
if (points != null)
{
Iterator<mxPoint> it = points.iterator();
while (it.hasNext())
{
mxPoint point = it.next();
tip += "[x=" + numberFormat.format(point.getX())
+ ",y=" + numberFormat.format(point.getY())
+ "],";
}
tip = tip.substring(0, tip.length() - 1);
}
}
tip += "}<br>";
tip += "absPoints={";
if (state != null)
{
for (int i = 0; i < state.getAbsolutePointCount(); i++)
{
mxPoint point = state.getAbsolutePoint(i);
tip += "[x=" + numberFormat.format(point.getX())
+ ",y=" + numberFormat.format(point.getY())
+ "],";
}
tip = tip.substring(0, tip.length() - 1);
}
tip += "}";
}
else
{
tip += "geo=[";
if (geo != null)
{
tip += "x=" + numberFormat.format(geo.getX()) + ",y="
+ numberFormat.format(geo.getY()) + ",width="
+ numberFormat.format(geo.getWidth()) + ",height="
+ numberFormat.format(geo.getHeight());
}
tip += "]<br>";
tip += "state=[";
if (state != null)
{
tip += "x=" + numberFormat.format(state.getX()) + ",y="
+ numberFormat.format(state.getY()) + ",width="
+ numberFormat.format(state.getWidth())
+ ",height="
+ numberFormat.format(state.getHeight());
}
tip += "]";
}
mxPoint trans = getView().getTranslate();
tip += "<br>scale=" + numberFormat.format(getView().getScale())
+ ", translate=[x=" + numberFormat.format(trans.getX())
+ ",y=" + numberFormat.format(trans.getY()) + "]";
tip += "</html>";
return tip;
}
/**
* Overrides the method to use the currently selected edge template for
* new edges.
*
* @param graph
* @param parent
* @param id
* @param value
* @param source
* @param target
* @param style
* @return
*/
public Object createEdge(Object parent, String id, Object value,
Object source, Object target, String style)
{
if (edgeTemplate != null)
{
mxCell edge = (mxCell) cloneCells(new Object[] { edgeTemplate })[0];
edge.setId(id);
return edge;
}
return super.createEdge(parent, id, value, source, target, style);
}
}
/**
*
* @param args
*/
public static void main(String[] args)
{
try
{
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch (Exception e1)
{
e1.printStackTrace();
}
mxSwingConstants.SHADOW_COLOR = Color.LIGHT_GRAY;
mxConstants.W3C_SHADOWCOLOR = "#D3D3D3";
GraphEditor editor = new GraphEditor();
editor.createFrame(new EditorMenuBar(editor)).setVisible(true);
}
}