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

package figue.tutorial;

import java.awt.BorderLayout;
import java.awt.Panel;
import java.awt.Choice;
import java.awt.GridLayout;
import java.awt.Button;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
import java.awt.Component;
import java.awt.Panel;
import java.awt.FlowLayout;

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

public final class Tutorial_24 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_24.java,v $ $revision$ $Date: 1998/11/02 15:55:54 $ Copyright 1998 INRIA.";

    protected final void initTutorial() {
	setLayout(new BorderLayout());
	_modifyFlag = false;
	Panel thePanel = new Panel();
	thePanel.setLayout(new FlowLayout(FlowLayout.CENTER,10,5));
	_choice = new Choice();
	_choice.add("On");
	_choice.add("Off");
	_choice.select(0);
	_choice.addItemListener(new ItemListener() {
	    public void itemStateChanged(ItemEvent e) {
		if ( ! _modifyFlag ) {
		    _modifyFlag = true;
		    _buttonStart.setEnabled(true);
		}
	    }
	});
	thePanel.add(_choice);
	_choiceMargin = new Choice();
	_choiceMargin.add("Margin 15");
	_choiceMargin.add("Margin 30");
	_choiceMargin.add("Margin 45");
	_choiceMargin.select(1);
	_choiceMargin.addItemListener(new ItemListener() {
	    public void itemStateChanged(ItemEvent e) {
		if ( ! _modifyFlag ) {
		    _modifyFlag = true;
		    _buttonStart.setEnabled(true);
		}
	    }
	});
	thePanel.add(_choiceMargin);
	_choiceRate = new Choice();
	_choiceRate.add("Fast");
	_choiceRate.add("Medium");
	_choiceRate.add("Slow");
	_choiceRate.select(0);
	_choiceRate.addItemListener(new ItemListener() {
	    public void itemStateChanged(ItemEvent e) {
		if ( ! _modifyFlag ) {
		    _modifyFlag = true;
		    _buttonStart.setEnabled(true);
		}
	    }
	});
	thePanel.add(_choiceRate);
       	_choiceDelay = new Choice();
	_choiceDelay.add("Delay 0 s");
	_choiceDelay.add("Delay 0.5 s");
	_choiceDelay.add("Delay 1 s");
	_choiceDelay.add("Delay 1.5 s");
	_choiceDelay.select(3);
	_choiceDelay.addItemListener(new ItemListener() {
	    public void itemStateChanged(ItemEvent e) {
		if ( ! _modifyFlag ) {
		    _modifyFlag = true;
		    _buttonStart.setEnabled(true);
		}
	    }
	});
	thePanel.add(_choiceDelay);
	_buttonStart = new Button("Apply parameters");
	_buttonStart.setEnabled(false);
	_buttonStart.addActionListener( new ActionListener() {
	    public void actionPerformed(ActionEvent e) {
		_modifyFlag = false;
		_buttonStart.setEnabled(false);
		applyParameters(false);
	    }
	});
	Panel theOtherPanel = new Panel();
	theOtherPanel.setLayout(new GridLayout(2,1));
	theOtherPanel.add(thePanel);
	thePanel = new Panel();
	thePanel.setLayout(new FlowLayout(FlowLayout.CENTER,10,5));
	thePanel.add(_buttonStart);
	theOtherPanel.add(thePanel);
	add(BorderLayout.NORTH,theOtherPanel);
	validate();
	applyParameters(true);
    }

    public final void destroy() {
	_facade.disposeWhenInactive();
	_facade = null;
	super.destroy();
    }

    private final GlyphInterface buildBox() {
	final GlyphInterface theFirstContext = new ChangeGraphicalContextAnonymous("italic","blue",null);
	final GlyphInterface theColumn = new Vertical();
	theFirstContext.addChild(theColumn);
	for ( int theRank = 0; theRank < 25; theRank++ ) {
	    final GlyphInterface theLine = new Horizontal(10);
	    theLine.addChild(Atom.newAtom("It's"));
	    theLine.addChild(Atom.newAtom('a'));
	    theLine.addChild(Atom.newAtom("wonderful","style hot"));
	    theLine.addChild(Atom.newAtom("life"));
	    theLine.addChild(Atom.newAtom("!!"));
	    theLine.addChild(Atom.newAtom("It's"));
	    theLine.addChild(Atom.newAtom('a'));
	    theLine.addChild(Atom.newAtom("wonderful","style hot"));
	    theLine.addChild(Atom.newAtom("life","style hot"));
	    theLine.addChild(Atom.newAtom("!!"));
	    theColumn.addChild(theLine);
	}
	return theFirstContext;
    }

    private final void applyParameters(boolean aFirstTimeFlag) {
	if ( ! aFirstTimeFlag ) {
	    _facade.disposeWhenInactive();
	    remove(_component);
	}
	_facade = new AWTFacade(getParameters(aFirstTimeFlag));
	_component = _facade.getAwtComponent();
	setDefaultKeyListener(_facade);
	add(BorderLayout.CENTER,_component);
	validate();   
	final GlyphInterface theBox = buildBox();
	initResources();
	PathInterface thePath = new Path();
	thePath.addOperation(new InsertGlyph(theBox,0));
	_facade.buildInit(thePath);
	_facade.buildComplete();
    }

    private final void initResources() {
	try {
	    _facade.doGetFont("italic",FontFamily.TIMES_ROMAN,FontStyle.BOLD_ITALIC,24,false);
	    _facade.doGetFont("big font",FontFamily.COURIER,FontStyle.BOLD,46,false);
	    _facade.doGetColor("red",BasicColor.RED);
	    _facade.doGetColor("yellow",BasicColor.YELLOW);
	    _facade.doGetColor("blue",BasicColor.BLUE);
	    _facade.doGetStyle("style hot",
			       _facade.getFont("big font"),
			       _facade.getColor("red"),
			       _facade.getColor("yellow"));
	}
	catch ( WrongResourceException anException ) {
	    ;
	}
	initStandardResources(_facade);
    }

    private final FacadeInitializer getParameters(boolean aFirstTimeFlag) {
	FacadeInitializer theParameters = new FacadeInitializer();
	if ( ! aFirstTimeFlag) {
	    switch ( _choice.getSelectedIndex() ) {
	    case 0: {
		theParameters.setAutoScrollPolicy(AutoScrollPolicy.WITHIN_FRAME);
		switch ( _choiceMargin.getSelectedIndex() ) {
		case 0: {
		    theParameters.setAutoScrollMargin(15);
		    break;
		}
		case 1: {
		    theParameters.setAutoScrollMargin(30);
		    break;
		}
		case 2: {
		    theParameters.setAutoScrollMargin(45);
		    break;
		}
		default: {
		    break;
		}
		}
		switch ( _choiceRate.getSelectedIndex() ) {
		case 0: {
		    theParameters.setAutoScrollRate(50);
		    break;
		}
		case 1: {
		    theParameters.setAutoScrollRate(100);
		    break;
		}
		case 2: {
		    theParameters.setAutoScrollRate(150);
		    break;
		}
		default: {
		    break;
		}
		}
		switch ( _choiceDelay.getSelectedIndex() ) {
		case 0: {
		    theParameters.setAutoScrollDelay(0);
		    break;
		}
		case 1: {
		    theParameters.setAutoScrollDelay(500);
		    break;
		}
		case 2: {
		    theParameters.setAutoScrollDelay(1000);
		    break;
		}
		case 3: {
		    theParameters.setAutoScrollDelay(1500);
		    break;
		}
		default: {
		    break;
		}
		}
		
		break;
	    }
	    case 1: {
		theParameters.setAutoScrollPolicy(AutoScrollPolicy.NONE);
		break;
	    }
	    default: {
		break;
	    }
	    }
	}
	theParameters.setFormattingWidth(1575);
	setAppletParameters(theParameters);
	return theParameters;
    }

    private AWTFacade _facade;
    private boolean _modifyFlag;
    private Choice _choice;
    private Choice _choiceMargin;
    private Choice _choiceRate;
    private Choice _choiceDelay;
    private Button _buttonStart;
    private Component _component;

}