package ootrigger;

import java.applet.*;
import java.awt.*;
import java.lang.ProcessBuilder;
import java.lang.System;
import ootrigger.RegReader;

public class OOtrigger extends Applet {
	private Process m_ooproc; // current openoffice process
	private ProcessBuilder m_ooffice;
	
	@Override
	public void init(){
		m_ooproc = null;
		m_ooffice = null;		
	}
		
	@Override
	public void start() {
		// detecting OS
		if(System.getProperty("os.name").equals("Linux")) {
			// linux, eaasssy job
			printMessage("Found "+ System.getProperty("os.name") +"..", true);
			printMessage("Starting OpenOffice..", false);
			m_ooffice = new ProcessBuilder("oowriter2");
			printMessage("ok", true);
		}
		else if (System.getProperty("os.name").equals("Windows XP") ) {
			// god bless us, its windows, lets read the reg to find
			// the openoffice installtion
			printMessage("Found "+ System.getProperty("os.name") +"..", true);
			printMessage("Getting OpenOffice installtion path..", false);
			String ooPath = getOOInstallPath();
			if(ooPath != null){	
				printMessage("ok", true);
				printMessage("Starting OpenOffice..", false);
				m_ooffice = new ProcessBuilder(ooPath+"\\swriter.exe");				
			}
			else
				printError("Could not find OpenOffice installation! Aborting..", true);				
		}
		else {
			printError("OS" + System.getProperty("os.name") + " not supported!", true);
			printWarning("shutting down..", true);
			destroy();
		}
		try{
			m_ooproc = m_ooffice.start();
		}
		catch(Exception e)
		{			
			printError("Can`t start OpenOffice!" , true);			
		}		
	}
	public void paint(){
		
	}
	
	@Override
	public void update(Graphics g)
	{
		paint (g);
	}
	
	@Override
	public void destroy(){		
		// closing openoffcie
		if(m_ooproc != null)
			m_ooproc.destroy();		
	}
	
	private String getOOInstallPath() {
		RegReader regAccess = new RegReader();
		return regAccess.getOOInstallPath();		
	}
	
	private void printError (String text, boolean cr){
		if(cr)
			System.err.println(text);
		else
			System.err.print(text);				
	}
	
	private void printMessage (String text, boolean cr){		
		if(cr)
			System.out.println(text);
		else
			System.out.print(text);			
	}
	
	private void printWarning (String text, boolean cr){
		if(cr)
			System.out.println(text);
		else
			System.out.print(text);		
	}
}