//*****************************************************************************
//   Copyright (c) 1998 INRIA.
//   http://www.inria.fr/croap/aioli/modules/figue/web/credits.html#COPYRIGHT
//*****************************************************************************

package figue.tutorial;

import java.awt.Label;
import java.awt.TextField;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Panel;

import figue.*;
import figue.box.*;
import figue.resource.*;
import figue.path.*;

public final class Tutorial_7 extends TutorialApplet {

    /**
     * For code identification with unix what command.
     * @level internal
     */
    public final static String VERSION_ID
	= "@(#) $Source: /net/croap/CVSROOT/figue/java/tutorial/Tutorial_7.java,v $ $revision$ $Date: 1998/11/02 15:56:00 $ Copyright 1998 INRIA.";

    protected final void initTutorial() {
	setLayout(new BorderLayout());
	final Panel thePanel = new Panel();
	thePanel.setLayout(new FlowLayout(FlowLayout.LEFT,5,5));
	thePanel.add(new Label("Right margin:", Label.RIGHT));
	_field = new TextField(Integer.toString(INITIAL_SPACE),6);
	_field.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent anEvent) {
		resetRightMargin();
	    }
	});
	thePanel.add(_field);
	add(BorderLayout.NORTH,thePanel);
	_margin = 99;
	_facade = new AWTFacade(getParameters());
	add(BorderLayout.CENTER,_facade.getAwtComponent());
	setDefaultKeyListener(_facade);
	validate();
	initResources();
	buildBox();
    }

    public final void destroy() {
	_facade.disposeWhenInactive();
	_facade = null;
	_field = null;
	_margin = -1;
	super.destroy();
    }

    private final void buildBox() {
	final GlyphInterface theParagraph = new Paragraph(5,50,5);
	for ( int theRank = 0; theRank < 33; theRank++ ) {
	    theParagraph.addChild(Atom.newAtom("It's"));
	    theParagraph.addChild(Atom.newAtom('a'));
	    theParagraph.addChild(Atom.newAtom("wonderful"));
	    theParagraph.addChild(Atom.newAtom("life"));
	    theParagraph.addChild(Atom.newAtom("!!"));
	}
	PathInterface thePath = new Path();
	thePath.addOperation(new InsertGlyph(theParagraph,0));
	_facade.buildInit(thePath);
	_facade.buildComplete();
    }

    private final void initResources() {
	try {
	    _facade.doGetFont(Constants.DEFAULT_FONT,FontFamily.TIMES_ROMAN,FontStyle.PLAIN,15,false);
	    _facade.doGetColor(Constants.DEFAULT_COLOR,BasicColor.BLUE);
	    _facade.doGetColor(Constants.DEFAULT_BACKGROUND,BasicColor.WHITE);
	}
	catch ( WrongResourceException anException ) {
	    ;
	}
	initStandardResources(_facade);
    }

    private final FacadeInitializer getParameters() {
	FacadeInitializer theParameters = new FacadeInitializer();
	theParameters.setFormattingWidth(INITIAL_SPACE);
	setAppletParameters(theParameters);
	return theParameters;
    }

    private final void resetRightMargin() {
	try {
	    String theInput = _field.getText();
	    _margin = Integer.parseInt(theInput);
	    if ( _margin < 50 ) {
		_field.setText("50");
		_margin = 50;
	    }
	    _facade.setFormattingWidth(_margin);
	}
	catch ( NumberFormatException anException ) {
	    ;
	}
    }

    private AWTFacade _facade;
    private TextField _field;
    private int _margin;
    private final static int INITIAL_SPACE = 376;
  
}