Attachment 114855 Details for Bug 244387 – test case

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test case

clipboard.txt (text/plain), 4.28 KB, created by Ian Bull

on 2008-10-10 18:54:18 EDT

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Creator: Ian Bull

Created: 2008-10-10 18:54:18 EDT

Size: 4.28 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.zest.tests.jface;
>
>import org.eclipse.jface.viewers.ISelection;
>import org.eclipse.jface.viewers.ISelectionChangedListener;
>import org.eclipse.jface.viewers.LabelProvider;
>import org.eclipse.jface.viewers.SelectionChangedEvent;
>import org.eclipse.jface.viewers.Viewer;
>import org.eclipse.jface.viewers.ViewerFilter;
>import org.eclipse.zest.layouts.LayoutStyles;
>import org.eclipse.zest.layouts.algorithms.GridLayoutAlgorithm;
>import org.eclipse.zest.layouts.algorithms.SpringLayoutAlgorithm;
>import org.eclipse.zest.core.viewers.GraphViewer;
>import org.eclipse.zest.core.viewers.IGraphEntityContentProvider;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.SelectionAdapter;
>import org.eclipse.swt.events.SelectionEvent;
>import org.eclipse.swt.graphics.Image;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>
>/**
> * This snippet shows how to use the IGraphEntityContentProvider to build a graph.  
> * @author Ian Bull
> * 
> */
>public class GraphJFaceSnippet1 {
>
>	/**
>	 * The Content Provider
>	 * @author irbull
>	 *
>	 */
>	static class MyContentProvider implements IGraphEntityContentProvider {
>
>		public Object[] getConnectedTo(Object entity) {
>			if (entity.equals("First")) {
>				return new Object[] { "Second" };
>			}
>			if (entity.equals("Second")) {
>				return new Object[] { "Third" };
>			}
>			if (entity.equals("Third")) {
>				return new Object[] { "First" };
>			}
>			return null;
>		}
>
>		public Object[] getElements(Object inputElement) {
>			String[] nodes = new String[2000];
>			for ( int i = 0; i< 2000; i++) {
>				nodes[i] = "" + i;
>			}
>			//return new String[] { "First", "Second", "Third" };
>			return nodes;
>		}
>
>		public double getWeight(Object entity1, Object entity2) {
>			return 0;
>		}
>
>		public void dispose() {
>
>		}
>
>		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
>
>		}
>	}
>
>	static class MyLabelProvider extends LabelProvider {
>		final Image image = Display.getDefault().getSystemImage(SWT.ICON_WARNING);
>
>		public Image getImage(Object element) {
>			if (element instanceof String) {
>				return image;
>			}
>			return null;
>		}
>
>		public String getText(Object element) {
>			if (element instanceof String) {
>				return element.toString();
>			}
>			return null;
>		}
>
>	}
>
>	static GraphViewer viewer = null;
>
>	/**
>	 * @param args
>	 */
>	public static void main(String[] args) {
>		Display d = new Display();
>		Shell shell = new Shell(d);
>		shell.setLayout(new FillLayout(SWT.VERTICAL));
>		shell.setSize(400, 400);
>		Button button = new Button(shell, SWT.PUSH);
>		button.setText("Reload");
>		button.addSelectionListener(new SelectionAdapter() {
>
>			public void widgetSelected(SelectionEvent e) {
>				viewer.setInput(new Object());
>			}
>
>		});
>		viewer = new GraphViewer(shell, SWT.NONE);
>
>		viewer.setContentProvider(new MyContentProvider());
>		viewer.setLabelProvider(new MyLabelProvider());
>		viewer.setLayoutAlgorithm(new GridLayoutAlgorithm(LayoutStyles.NO_LAYOUT_NODE_RESIZING));
>		viewer.addSelectionChangedListener(new ISelectionChangedListener() {
>			public void selectionChanged(SelectionChangedEvent event) {
>				System.out.println("Selection changed: " + (event.getSelection()));
>			}
>
>		});
>		viewer.setInput(new Object());
>
>		for ( int i = 0; i < 100; i++ ) {
>		ViewerFilter fv = new ViewerFilter() {
>			public boolean select(Viewer viewer, Object parentElement, Object element) {
>				return true;
>			}
>		};
>		viewer.addFilter(fv);
>		viewer.removeFilter(fv);
>		}
>		
>		shell.open();
>		while (!shell.isDisposed()) {
>			while (!d.readAndDispatch()) {
>				d.sleep();
>			}
>		}
>
>	}
>}

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Attachments on bug 244387: 110185 | 114855