org.jpedal.examples.viewer.AppletViewer Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of jsign-jpedal Show documentation
JPedal fork
The newest version!
/*
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/java-pdf-library-support/
 *
 * (C) Copyright 1997-2013, IDRsolutions and Contributors.
 *
 * 	This file is part of JPedal
 *
     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


 *
 * ---------------
 * AppletViewer.java
 * ---------------
 */
package org.jpedal.examples.viewer;

/**standard Java stuff*/
import javax.swing.JApplet;
import javax.swing.JFrame;

import org.jpedal.io.ObjectStore;

/**
 * 

 * Description: Demo to show JPedal being used as a GUI viewer in an applet, and to demonstrate some of JPedal's capabilities
 * 
 * See also http://www.jpedal.org/gplSrc/org/jpedal/examples/viewer/Viewer.java.html
 */
public class AppletViewer extends JApplet {

	private static final long serialVersionUID = 8823940529835337414L;

	Viewer current = new Viewer(Values.RUNNING_APPLET);

	boolean isInitialised = false;
	boolean destroy = false;

	/** main method to run the software */
	@Override
	public void init() {

		if (!this.isInitialised) {

			this.isInitialised = true;

			// 
			String props = getParameter("propertiesFile");
			if (props != null) {
				this.current.loadProperties(props);
			}
			else {
				// If no file set use default from jar
				this.current.loadProperties(Viewer.PREFERENCES_DEFAULT);
			}
			// 

			this.current.setupViewer();

			/**
			 * pass in flag and pickup - we could extend to check and set all values
			 */
			String mem = getParameter("org.jpedal.memory");
			if (mem != null && mem.equals("true")) {
				System.setProperty("org.jpedal.memory", "true");
			}

			if (this.current.currentGUI.getFrame() instanceof JFrame) this.getContentPane().add(
					((JFrame) this.current.currentGUI.getFrame()).getContentPane());
			else this.getContentPane().add(this.current.currentGUI.getFrame());

			// 
			/**
			 * // current.openDefaultFile(); current.executeCommand(Commands.FACING,null); /
			 **/
		}
	}

	@Override
	public void start() {

		// ensure setup
		init();

		/**
		 * if (SwingUtilities.isEventDispatchThread()) {
		 * 
		 * current.executeCommand(Commands.FACING,null); } else {
		 * 
		 * final Runnable doPaintComponent = new Runnable() { public void run() { current.executeCommand(Commands.FACING,null); } };
		 * SwingUtilities.invokeLater(doPaintComponent); } /
		 **/
	}

	@Override
	public void destroy() {
		this.destroy = true;

		Viewer.exitOnClose = false;
		this.current.executeCommand(Commands.EXIT, null);

		// ensure cached items removed
		ObjectStore.flushPages();
	}
}