TagCloudSnippet.java

/******************************************************************************
 * Copyright (c) 2011, 2016 Stephan Schwiebert and others.
 * 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:
 *     Stephan Schwiebert - initial API and implementation
 *     
 *******************************************************************************/
package org.eclipse.gef.cloudio.examples.ui.snippets;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.gef.cloudio.internal.ui.TagCloud;
import org.eclipse.gef.cloudio.internal.ui.Word;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

/**
 * This snippet demonstrates how to create a simple tag cloud, which will
 * display the words "Hello" and "Cloudio".
 * 
 * @author sschwieb
 *
 */
public class TagCloudSnippet {

	public static void main(String[] args) {
		final Display display = new Display();
		final Shell shell = new Shell(display);
		TagCloud cloud = new TagCloud(shell, SWT.NONE);

		// Generate some dummy words - color, weight and fontdata must
		// always be defined.
		List<Word> words = new ArrayList<>();
		Word w = new Word("Hello");
		w.setColor(display.getSystemColor(SWT.COLOR_DARK_CYAN));
		w.weight = 1;
		w.setFontData(cloud.getFont().getFontData().clone());
		words.add(w);
		w = new Word("Cloudio");
		w.setColor(display.getSystemColor(SWT.COLOR_DARK_GREEN));
		w.setFontData(cloud.getFont().getFontData().clone());
		w.weight = 0.5;
		w.angle = -45;
		words.add(w);

		shell.setBounds(50, 50, 300, 300);
		cloud.setBounds(0, 0, shell.getBounds().width, shell.getBounds().height);

		// Assign the list of words to the cloud:
		cloud.setWords(words, null);

		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}

}