//  Job: Jay's Own Browser, a web browser written in Java by Jay Skeer
//  Copyright (C) 1996 Jay Skeer, Jay Prime Positive
//
//  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.
//
// History:
//    1996 02 12: Simple stubed hypertext (html) displayer.
//    1996 02 13: Added simple fill behavior.
//    1996 02 21: got a version which draws text using graphics prims
//                and began reorganizing the program a bit.
//    1996 04 11: released program on the net


import java.io.*;
import java.awt.*;
import HtmlDocumentStream;
import HtmlDocumentRegionStream;
import HtmlDocumentRegionPanel;

/** Html display window panel. */
public class HtmlDocumentPanel extends HtmlDocumentRegionPanel {
    File url;
    HtmlDocument doc;
    boolean url_changed;

    public HtmlDocumentPanel() {
        this.url= null;
	this.doc= null;
    }

    public HtmlDocumentPanel(File url) {
        this.url= url;
	this.doc= null;
    }

    public void showDocument(File url) {
        this.url= url;
	url_changed= true;
	HtmlDocumentStream hds= null;
	try {
	    Jdb.trace("Try to open Doc_Stream");
	    hds= new HtmlDocumentStream(url);
	    Jdb.trace("Try to parse Doc_Steam into html doc");
	    doc= hds.readHtmlDocument();
	    Jdb.trace("Try to show Doc");
	    super.showRegions(new HtmlDocumentRegionStream(doc));
//	    invalidate();
	    repaint();
	} catch (IOException e) {
	    //status("Can't open " + url);
	} finally {
	    if (null != hds) {
		try {
		    hds.close();
	        } catch (IOException e) {
		    //status("Can't close " + url);
		};
	    }
	}
    }

    public void showDocument(String url) {
	showDocument(new File(url));
    }

    public void rebuild_doc() {
	showDocument(url);
    }

    public void xpaint(Graphics g) {
Jdb.enter("HDP.paint(g"+g+")");
//      if (url_changed) {
//	    rebuild_doc();
//	}
	url_changed= false;
	super.paint(g);
Jdb.exit("HDP.paint()");
    }
}