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/**
* JFractionLab
* Copyright (C) 2005 jochen georges, gnugeo _ at _ gnugeo _ dot _ de
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
**/
package jfractionlab.exerciseDialogs;
import org.debian.tablelayout.TableLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.HeadlessException;
import java.awt.KeyEventDispatcher;
import java.awt.KeyboardFocusManager;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JButton;
import javax.swing.JLabel;
import jfractionlab.FractionMaker;
import jfractionlab.JFractionLab;
import jfractionlab.displays.FractionAsCircle;
import jfractionlab.displays.FractionLine;
import jfractionlab.jflDialogs.UsabilityDialog;
public class CompareFractions extends ExerciseDialog implements ActionListener{
static final long serialVersionUID = JFractionLab.serialVersionUID;
//GUI
private JLabel lb_numerator_1 = new JLabel("", JLabel.CENTER);
private JLabel lb_denominator_1 = new JLabel("", JLabel.CENTER);
private JLabel lb_numerator_2 = new JLabel("", JLabel.CENTER);
private JLabel lb_denominator_2 = new JLabel("", JLabel.CENTER);
private FractionAsCircle pp_pizza_1 = new FractionAsCircle();
private FractionAsCircle pp_pizza_2 = new FractionAsCircle();
private JButton btn_bigger;
private JButton btn_equal;
private JButton btn_smaller;
private JButton btn_tipp;
//public Locale mylocale;
//Zahlen
private FractionMaker fraction;
private int numerator_1;
private int denominator_1;
private float sizeOfFraction_1;
private int numerator_2;
private int denominator_2;
private float sizeOfFraction_2;
private boolean virgin = true;
private boolean isVisible = true;
private boolean solved = false;
/**
*
* @param owner
* @param lx
* @param ly
* @param sx
* @param sy
* @throws HeadlessException
*/
public CompareFractions(JFractionLab owner, int lx, int ly, int sx, int sy) throws HeadlessException {
super(lx, ly, sx, sy);
setTitle(lang.Messages.getString("compare_the_fractions"));
btn_continue = new JButton(lang.Messages.getString("continue"));
btn_tipp = new JButton(lang.Messages.getString("Tipp"));
btn_end = new JButton(lang.Messages.getString("end"));
btn_bigger = new JButton(">");
btn_equal = new JButton("=");
btn_smaller = new JButton("<");
this.owner = owner;
//Menu
rb_visible.addActionListener(this);
jmOptions.add(rb_visible);
rb_invisible.addActionListener(this);
jmOptions.add(rb_invisible);
jmb.add(jmOptions);
jmiHelp.addActionListener(this);
jmb.add(jmHelp);
setJMenuBar(jmb);
double sizes[][] = {{
// Spalten
TableLayout.FILL,
0.06,
TableLayout.FILL,
0.05,0.05,
TableLayout.FILL,
0.06,
TableLayout.FILL,
0.10,
12
},{
//Zeilen
0.10,
0.033,
0.033,
0.033,
0.10,
0.30,
0.30,
TableLayout.FILL
}};
Container content = getContentPane();
content.setLayout(new TableLayout(sizes));
content.setBackground(Color.white);
content.add(lb_numerator_1, "1,0,1,1,c,b");
FractionLine bs_1 = new FractionLine();
content.add(bs_1, "1,2");
content.add(lb_denominator_1, "1,3,1,4,c,t");
content.add(pp_pizza_1, "0,5,3,6");
btn_bigger.addActionListener(this);
content.add(btn_bigger, "3,0,4,0,f,b");
btn_equal.addActionListener(this);
content.add(btn_equal, "3,1,4,3,f,c");
btn_smaller.addActionListener(this);
content.add(btn_smaller, "3,4,4,4,f,t");
content.add(lb_numerator_2, "6,0,6,1,c,b");
FractionLine bs_2 = new FractionLine();
content.add(bs_2, "6,2");
content.add(lb_denominator_2, "6,3,6,4,c,t");
if(isVisible){
pp_pizza_1.drawPizzaAsCircle(numerator_1, denominator_1, Color.yellow);
pp_pizza_2.drawPizzaAsCircle(numerator_2, denominator_2, Color.yellow);
}
content.add(pp_pizza_2, "4,5,7,6");
btn_continue.addActionListener(this);
content.add(btn_continue, "8,0,f,b");
btn_tipp.addActionListener(this);
btn_tipp.setEnabled(false);
content.add(btn_tipp, "8,1,8,3,f,c");
btn_end.addActionListener(this);
content.add(btn_end, "8,4,f,t");
points = owner.points_compareFractions;
pdsp.setText(String.valueOf(points));
content.add(pdsp, "8,6,8,7");
lb_info.setFont(JFractionLab.infofont);
lb_info.setText(lang.Messages.getString("use_the_mouse"));
content.add(lb_info, "0,7,7,7");
makeProblem();
String[] ar_howto = {"howto_click_bigger_smaller","howto_option_invisible"};
new UsabilityDialog(ar_howto);//new UsabilityDialog
KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher(new KeyEventDispatcher(){
public boolean dispatchKeyEvent(KeyEvent e){
boolean keyHandled = false;
if(e.getID() == KeyEvent.KEY_PRESSED){
if(e.getKeyChar() == '>'){
// System.out.println("groesser");
biggerAction();
}else if(e.getKeyChar() == '<'){
// System.out.println("kleiner");
smallerAction();
}else if(e.getKeyChar() == '='){
// System.out.println("gleich");
equalAction();
}else if(e.getKeyCode() == KeyEvent.VK_ENTER){
lb_info.setText("");
makeProblem();
}
}
return keyHandled;
}
});
}//Konstruktor
protected void nextProblem(){}
/**
*
*
*/
protected void makeProblem(){
//System.out.println("makeProblem");
fraction = new FractionMaker();
int ran;
ran = Math.abs(JFractionLab.ran.nextInt()%3000);
if (ran < 1000){
fraction.mkTwoFractionsWithEqualNumerators(10);//gleicheZaehler
numerator_1 = fraction.getNumerator_1();
numerator_2 = numerator_1;
denominator_1 = fraction.getDenominator_1();
denominator_2 = fraction.getDenominator_2();
}else if (ran >= 1000 && ran < 2000){
fraction.mkTwoFractionsWithEqualDenominators(10);//gleiche Nenner
numerator_1 = fraction.getNumerator_1();
numerator_2 = fraction.getNumerator_2();
denominator_1 = fraction.getDenominator_1();
denominator_2 = denominator_1;
}else if (ran >= 2000){
fraction.mkTwoFractions(10);
numerator_1 = fraction.getNumerator_1();
denominator_1 = fraction.getDenominator_1();
numerator_2 = fraction.getNumerator_2();
denominator_2 = fraction.getDenominator_2();
}
//numbers to test
// numerator_1 = 1;
// denominator_1 = 2;
// numerator_2 = 1;
// denominator_2 = 4;
solved = false;
virgin = true;
sizeOfFraction_1 = (float)numerator_1/denominator_1;
sizeOfFraction_2 = (float)numerator_2/denominator_2;
lb_numerator_1.setText(String.valueOf(numerator_1));
lb_denominator_1.setText(String.valueOf(denominator_1));
lb_numerator_2.setText(String.valueOf(numerator_2));
lb_denominator_2.setText(String.valueOf(denominator_2));
lb_info.setText(lang.Messages.getString("bigger_equal_or_smaller"));
pp_pizza_1.noPizzaAsCircle();
pp_pizza_2.noPizzaAsCircle();
if(isVisible){
pp_pizza_1.drawPizzaAsCircle(numerator_1, denominator_1, Color.yellow);
pp_pizza_2.drawPizzaAsCircle(numerator_2, denominator_2, Color.yellow);
}
}//maleProblem
/**
*
*
*/
private void it_is_ok(String str){
//System.out.println("isVisible/virgin/solved : "
// +String.valueOf(isVisible)
// +"/"
// +String.valueOf(virgin)
// +"/"
// +String.valueOf(solved)
//);
if (solved){
lb_info.setText(lang.Messages.getString("already_solved")+" "+lang.Messages.getString("press_enter"));
}else{
if(!isVisible){
if(virgin){//unsichtbar und ohne tipp
points++;
points++;
}else{//unsichtbar aber mit tipp
points++;
}
}else{//sichtbar
points++;
}
lb_info.setText("\""+str+"\" : "+lang.Messages.getString("that_is_right"));
pdsp.setText(String.valueOf(points));
owner.setPoints(points, "compareFractions");
pp_pizza_1.drawPizzaAsCircle(numerator_1, denominator_1, Color.yellow);
pp_pizza_2.drawPizzaAsCircle(numerator_2, denominator_2, Color.yellow);
solved = true;
}//if
}//it_is_ok
private void smallerAction(){
if (sizeOfFraction_1 < sizeOfFraction_2){
it_is_ok("<");
}else{
lb_info.setText(lang.Messages.getString("left_is_not_smaller"));
}
virgin = false;
}
private void biggerAction(){
if (sizeOfFraction_1 > sizeOfFraction_2){
it_is_ok(">");
}else{
lb_info.setText(lang.Messages.getString("left_is_not_bigger"));
}
virgin = false;
}
private void equalAction(){
if (sizeOfFraction_1 == sizeOfFraction_2){
it_is_ok("=");
}else{
lb_info.setText(lang.Messages.getString("not_equal"));
}
virgin = false;
}
/**
*
*/
public void actionPerformed (ActionEvent e) {
Object obj = e.getSource();
if (obj == btn_continue){
lb_info.setText("");
makeProblem();
}else if (obj == btn_tipp){
pp_pizza_1.drawPizzaAsCircle(numerator_1, denominator_1, Color.yellow);
pp_pizza_2.drawPizzaAsCircle(numerator_2, denominator_2, Color.yellow);
virgin = false;
}else if (obj == btn_end){
setVisible(false);
dispose();
}else if (obj == btn_bigger){
biggerAction();
}else if (obj == btn_equal){
equalAction();
}else if (obj == btn_smaller){
smallerAction();
}else if (obj == rb_visible){
//System.out.println("rb_visible");
//the program is in "Invisible-mode" actually
//but it should switch to "Visible-mode"
pp_pizza_1.drawPizzaAsCircle(numerator_1, denominator_1, Color.yellow);
pp_pizza_2.drawPizzaAsCircle(numerator_2, denominator_2, Color.yellow);
btn_tipp.setEnabled(false);
isVisible = true;
}else if (obj == rb_invisible){
//System.out.println("rb_invisible");
//the program is in "Visible-mode" actually
//it should switch to "Invisible-mode"
pp_pizza_1.noPizzaAsCircle();
pp_pizza_2.noPizzaAsCircle();
btn_tipp.setEnabled(true);
isVisible = false;
makeProblem();
}
}//actionPerformed
}//class
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