AstViewConsole.java

/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Common Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2006 Mirko Stocker <me@misto.ch>
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package org.rubypeople.rdt.astviewer.views;

import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.console.ConsolePlugin;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleConstants;
import org.eclipse.ui.console.IConsoleManager;
import org.eclipse.ui.console.IConsoleView;
import org.eclipse.ui.console.MessageConsole;
import org.eclipse.ui.console.MessageConsoleStream;

public class AstViewConsole {

	private static final String name = "AST Viewer";

	private static MessageConsole findConsole(String name) {
		ConsolePlugin plugin = ConsolePlugin.getDefault();
		IConsoleManager conMan = plugin.getConsoleManager();
		IConsole[] existing = conMan.getConsoles();
		for (int i = 0; i < existing.length; i++)
			if (name.equals(existing[i].getName()))
				return (MessageConsole) existing[i];
		//no console found, so create a new one
		MessageConsole myConsole = new MessageConsole(name, null);
		conMan.addConsoles(new IConsole[] { myConsole });
		return myConsole;
	}

	public static void print(String text) {
		revealConsole();
		MessageConsole myConsole = findConsole(name);
		MessageConsoleStream out = myConsole.newMessageStream();
		out.println(text);
	}

	private static void revealConsole() {
		IConsole myConsole = findConsole(name);
		IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
		String id = IConsoleConstants.ID_CONSOLE_VIEW;
		IConsoleView view;
		try {
			view = (IConsoleView) page.showView(id);
			view.display(myConsole);
		} catch (PartInitException e) {
			return;
		}
	}

}