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/*
* @(#)HelloWorld.java 3.3 23-APR-04
*
* Copyright (c) 2001-2004, Gaudenz Alder All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package org.jgraph.example;
import java.awt.Color;
import java.awt.geom.Rectangle2D;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import org.jgraph.JGraph;
import org.jgraph.graph.DefaultCellViewFactory;
import org.jgraph.graph.DefaultGraphCell;
import org.jgraph.graph.DefaultGraphModel;
import org.jgraph.graph.GraphConstants;
import org.jgraph.graph.GraphLayoutCache;
import org.jgraph.graph.GraphModel;
import org.jgraph.graph.ParentMap;
public class GroupingRemoving {
public static void main(String[] args) {
// Switch off D3D because of Sun XOR painting bug
// See http://www.jgraph.com/forum/viewtopic.php?t=4066
System.setProperty("sun.java2d.d3d", "false");
// Construct Model and Graph
GraphModel model = new DefaultGraphModel();
GraphLayoutCache cache = new GraphLayoutCache(model, new DefaultCellViewFactory(), true);
JGraph graph = new JGraph(model, cache);
int numGroupedCells = 10;
DefaultGraphCell[] cells = new DefaultGraphCell[numGroupedCells];
for (int i=0; i < numGroupedCells; i++) {
cells[i] = createVertex("Hello", 20, 20, 40, 20, null, false);
}
DefaultGraphCell group = createVertex("Hello", 20, 20, 40, 20, null, false);
ParentMap pm = new ParentMap();
for (int i = 0; i < cells.length; i++) {
pm.addEntry(cells[i], group);
}
// Insert the cells via the cache, so they are visible
graph.getGraphLayoutCache().insert(new Object[] { group }, null, null, pm, null);
// Set some of the children are hidden
graph.getGraphLayoutCache().hideCells(new Object[] { cells[3], cells [7] }, true);
// Control-drag should clone selection
graph.setCloneable(true);
// Enable edit without final RETURN keystroke
graph.setInvokesStopCellEditing(true);
// When over a cell, jump to its default port (we only have one, anyway)
graph.setJumpToDefaultPort(true);
// Show in Frame
JFrame frame = new JFrame();
frame.getContentPane().add(new JScrollPane(graph));
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
// Wait a bit and then remove the cells
try {
Thread.sleep(5000);
} catch (InterruptedException e){
}
model.remove(DefaultGraphModel.getDescendants(model, DefaultGraphModel.getRoots(model)).toArray());
System.out.println("model.roots.size() = " + DefaultGraphModel.getRoots(model).length);
System.out.println("cell views size = " + cache.getCellViews().length);
System.out.println("hidden views size = " + cache.getHiddenCellViews().length);
System.out.println("visible set size = " + cache.getVisibleSet().size());
System.out.println("cache roots size = " + cache.getRoots().length);
}
public static DefaultGraphCell createVertex(String name, double x,
double y, double w, double h, Color bg, boolean raised) {
// Create vertex with the given name
DefaultGraphCell cell = new DefaultGraphCell(name);
// Set bounds
GraphConstants.setBounds(cell.getAttributes(), new Rectangle2D.Double(
x, y, w, h));
// Set fill color
if (bg != null) {
GraphConstants.setGradientColor(cell.getAttributes(), bg);
GraphConstants.setOpaque(cell.getAttributes(), true);
}
// Set raised border
if (raised)
GraphConstants.setBorder(cell.getAttributes(), BorderFactory
.createRaisedBevelBorder());
else
// Set black border
GraphConstants.setBorderColor(cell.getAttributes(), Color.black);
// Add a Floating Port
cell.addPort();
return cell;
}
}
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