Attachment 93610 Details for Bug 224116 – Snippet to reproduce the prolem

Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.

Snippet to reproduce the prolem

GraphJFaceSnippet3.java (text/plain), 4.36 KB, created by GianMaria Romanato

on 2008-03-26 10:52:00 EDT

(hide)

Description:

Filename:

MIME Type:

Creator: GianMaria Romanato

Created: 2008-03-26 10:52:00 EDT

Size: 4.36 KB

patch

obsolete

>/*******************************************************************************
> * Copyright 2005-2007, CHISEL Group, University of Victoria, Victoria, BC, Canada.
> * 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:
> *     The Chisel Group, University of Victoria
> *******************************************************************************/
>package org.eclipse.mylar.zest.examples.jface;
>
>import java.io.IOException;
>import java.util.ArrayList;
>import java.util.Iterator;
>import java.util.StringTokenizer;
>
>import org.eclipse.jface.viewers.LabelProvider;
>import org.eclipse.jface.viewers.Viewer;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.FileDialog;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.zest.core.viewers.GraphViewer;
>import org.eclipse.zest.core.viewers.IGraphContentProvider;
>import org.eclipse.zest.core.widgets.GraphConnection;
>import org.eclipse.zest.core.widgets.GraphNode;
>import org.eclipse.zest.core.widgets.ZestStyles;
>import org.eclipse.zest.layouts.LayoutStyles;
>import org.eclipse.zest.layouts.algorithms.RadialLayoutAlgorithm;
>
>/**
> * This snippet uses a very simple file format to read a graph. Edges are listed
> * on a new line in a file as such: 
> * a calls b 
> * b calls c 
> * c calld d
> * 
> * The content provider creates an edge for each line in the file and names the
> * sources and destination from the line.
> * 
> * 
> * @author Ian Bull
> * 
> */
>public class GraphJFaceSnippet3 {
>
>	public static final String graph = "a calls b\n" + "a calls c\n" + "b calld d\n" + "b calls e\n" + "c calls f\n" + "c calls g\n" + "d calls h\n" + "d calls i\n" + "e calls j\n" + "e calls k\n" + "f calls l\n" + "f calls m\n";
>
>	static class SimpleGraphContentProvider implements IGraphContentProvider {
>
>		private StringTokenizer graph;
>
>		public Object getDestination(Object rel) {
>			String string = (String) rel;
>			String[] parts = string.split(" ");
>			return parts[2];
>		}
>
>		public Object[] getElements(Object input) {
>			ArrayList listOfEdges = new ArrayList();
>			while (graph.hasMoreTokens()) {
>				listOfEdges.add(graph.nextToken());
>			}
>			return listOfEdges.toArray();
>		}
>
>		public Object getSource(Object rel) {
>			String string = (String) rel;
>			String[] parts = string.split(" ");
>			return parts[0];
>		}
>
>		public double getWeight(Object connection) {
>			return 0;
>		}
>
>		public void dispose() {
>
>		}
>
>		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
>			if (newInput != null) {
>				graph = new StringTokenizer((String) newInput, "\n");
>			}
>		}
>
>	}
>
>	public static void main(String[] args) throws IOException {
>		Display display = new Display();
>		Shell shell = new Shell(display);
>		shell.setText("Simple Graph File Format");
>
>		FileDialog dialog = new FileDialog(shell, SWT.OPEN);
>		dialog.setFilterNames(new String[] { "Simple Graph Files (*.sgf)", "All Files (*.*)" });
>		dialog.setFilterExtensions(new String[] { "*.sgf", "*.*" }); //Windows wild cards
>
>		String directory = System.getProperty("user.dir");
>		dialog.setFilterPath(directory);
>
>		shell.setLayout(new FillLayout(SWT.VERTICAL));
>		shell.setSize(400, 400);
>		GraphViewer viewer = null;
>
>		viewer = new GraphViewer(shell, SWT.NONE);
>		viewer.setNodeStyle(ZestStyles.NODES_NO_LAYOUT_RESIZE);
>		viewer.setContentProvider(new SimpleGraphContentProvider());
>		viewer.setLabelProvider(new LabelProvider());
>		viewer.setLayoutAlgorithm(new RadialLayoutAlgorithm(LayoutStyles.NO_LAYOUT_NODE_RESIZING));
>
>		shell.open();
>
>		// use the sample graph
>		viewer.setInput(graph);
>		for (Iterator iterator = viewer.getGraphControl().getNodes().iterator(); iterator.hasNext();) {
>			GraphNode node = (GraphNode) iterator.next();
>			node.highlight();
>		}
>		for (Iterator it = viewer.getGraphControl().getConnections().iterator(); it.hasNext();) {
>			GraphConnection conn = (GraphConnection) it.next();
>			conn.highlight();
>		}
>
>		viewer.removeNode("a");
>
>			
>		
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch()) {
>				display.sleep();
>			}
>		}
>		display.dispose();
>	}
>}

Actions: View

Attachments on bug 224116: 93610 | 105132 | 105133