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//
// PsDrawing.java : This file is part of pstoedit.
// Java applet needed to run the java code generated by pstoedit -f java
//
// this applet is called from HTML via:
// <APPLET code="PsDrawing.class" width=700 height=800>
// <PARAM name="psjavaclass" value="PSJava">
// </APPLET>
// replace PSJava by whatever you specified after the -f java option,
// e.g. -f java:anotherclassname
//
// Copyright (C) 1998 - 1999 Wolfgang Glunz, wglunz@geocities.com
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//
import java.awt.*;
//
// this applet is called via:
// <PARAM name="psjavaclass" value="PSJava">
//
public class PsDrawing extends java.applet.Applet
{
public void init()
{
System.out.println("setting up pages ");
setBackground( Color.white );
try {
String psjavaclassName = getParameter("psjavaclass");
Class psclass = Class.forName(psjavaclassName);
pspages = (PsPages)(psclass.newInstance());
if (pspages.numberOfPages() > 1) {
prevButton = new Button("previous page");
add(prevButton);
prevButton.disable();
nextButton = new Button("next page");
add(nextButton);
}
}
catch(ClassNotFoundException e) { System.err.println(e); }
catch(IllegalAccessException e) { System.err.println(e); }
catch(InstantiationException e) { System.err.println(e); }
System.out.println("setting up pages done ");
// pspages = new PSJava();
}
public void paint( Graphics g )
{
setBackground( Color.white );
System.out.println("paint started for page # "+pagenr);
Rectangle r = bounds();
pspages.showpage(r,pagenr,g);
System.out.println("paint finished");
}
public boolean action(Event e, Object o)
{
if(e.target == nextButton) {
pagenr++;
if (pagenr == pspages.numberOfPages() ) {
if (nextButton != null) {
nextButton.disable();
}
} else if (pagenr > 1) {
if (prevButton != null) {
prevButton.enable();
}
}
Rectangle r = bounds();
pspages.showpage(r,pagenr,getGraphics());
return true;
} else if(e.target == prevButton) {
pagenr--;
if (pagenr == 1) {
if (prevButton != null) {
prevButton.disable();
}
} else if (pagenr < pspages.numberOfPages() ) {
if (nextButton != null) {
nextButton.enable();
}
}
Rectangle r = bounds();
pspages.showpage(r,pagenr,getGraphics());
return true;
} else return super.action(e,o);
}
private PsPages pspages = null;
private int pagenr = 1;
private Button nextButton;
private Button prevButton;
}
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