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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.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JButton;
import javax.swing.JLabel;
import jfractionlab.FractionMaker;
import jfractionlab.HelpStarter;
import jfractionlab.JFractionLab;
import jfractionlab.MyJTextField;
import jfractionlab.displays.FractionAsCircle;
import jfractionlab.displays.FractionLine;
import jfractionlab.exerciseGenerator.ExerciseGenerator;
import jfractionlab.jflDialogs.UsabilityDialog;
import jfractionlab.jflDialogs.WorkSheetDialog;
public class MixedNumbers extends ExerciseDialog implements ActionListener, KeyListener{
static final long serialVersionUID = JFractionLab.serialVersionUID;
//GUI
private MyJTextField tf_mixedNBNumber = new MyJTextField(2);
private MyJTextField tf_mixedNBNumerator = new MyJTextField(2);
private MyJTextField tf_mixedNBDenominator = new MyJTextField(2);
private MyJTextField tf_improperFractionNumerator = new MyJTextField(2);
private MyJTextField tf_improperFractionDenominator = new MyJTextField(2);
private FractionAsCircle[] pizzaPlace = {
new FractionAsCircle(),
new FractionAsCircle(),
new FractionAsCircle(),
new FractionAsCircle(),
new FractionAsCircle(),
new FractionAsCircle(),
new FractionAsCircle(),
new FractionAsCircle(),
new FractionAsCircle()
};
private JButton btn_tipp;
private boolean isVisible = true;
private boolean was_neverVisible = true;
//Zahlen
private FractionMaker fm;
private int mixedNBNumber;
private int mixedNBNumerator;
private int improperFractionNumerator;
private int improperFractionDenominator;
/**
*
* @param owner
* @param lx
* @param ly
* @param sx
* @param sy
* @throws HeadlessException
*/
public MixedNumbers(JFractionLab owner, int lx, int ly, int sx, int sy) throws HeadlessException {
super(lx, ly, sx, sy);
setTitle(lang.Messages.getString("mixed_numbers_2_improper_fracs"));
this.owner = owner;
//Menu
rb_random.addActionListener(this);
jmOptions.add(rb_random);
rb_custom.addActionListener(this);
jmOptions.add(rb_custom);
jmOptions.addSeparator();
rb_visible.addActionListener(this);
jmOptions.add(rb_visible);
rb_invisible.addActionListener(this);
jmOptions.add(rb_invisible);
jmb.add(jmOptions);
jmiCreateWorkSheet.addActionListener(this);
jmWorkSheet.add(jmiCreateWorkSheet);
jmb.add(jmWorkSheet);
jmiHelp.addActionListener(this);
jmb.add(jmHelp);
setJMenuBar(jmb);
double width_of_pizzaplace = 0.45;
double sizes[][] = {{
// Spalten
5,//0
width_of_pizzaplace/4,//1
width_of_pizzaplace/4,//2
width_of_pizzaplace/4,//3
width_of_pizzaplace/4,//4
12,//5
width_of_pizzaplace/6,//6
width_of_pizzaplace/6,//7
width_of_pizzaplace/6,//8
width_of_pizzaplace/6,//9g.setColor(getForeground());
width_of_pizzaplace/6,//10
width_of_pizzaplace/6,//11
TableLayout.FILL,//12
5//13
},{
//Zeilen
5,//0jflTextResource.properties
TableLayout.FILL,//1
20,//2
TableLayout.FILL,//3
0.4,//4
0.4,//5
TableLayout.FILL,//6
5//7
}};
Container content = getContentPane();
content.setLayout(new TableLayout(sizes));
content.setBackground(Color.white);
//--links
addTextField(tf_mixedNBNumber);
tf_mixedNBNumber.addKeyListener(this);
tf_mixedNBNumber.setEditable(false);
content.add(tf_mixedNBNumber, "2,1,2,3,c,c");
addTextField(tf_mixedNBNumerator);
tf_mixedNBNumerator.addKeyListener(this);
tf_mixedNBNumerator.setEditable(false);
content.add(tf_mixedNBNumerator, "3,1,c,b");
addTextField(tf_mixedNBDenominator);
tf_mixedNBDenominator.addKeyListener(this);
tf_mixedNBDenominator.setEditable(false);
content.add(tf_mixedNBDenominator, "3,3,c,t");
//--rechts
addTextField(tf_improperFractionNumerator);
tf_improperFractionNumerator.addKeyListener(this);
tf_improperFractionNumerator.setEditable(false);
content.add(tf_improperFractionNumerator, "8,1,9,1,c,b");
addTextField(tf_improperFractionDenominator);
tf_improperFractionDenominator.setEditable(false);
content.add(tf_improperFractionDenominator, "8,3,9,3,c,t");
//--Zeichen
JLabel lb_gleich1 = new JLabel("=", JLabel.CENTER);
content.add(lb_gleich1, "5,2");
FractionLine bs_fraction1 = new FractionLine();
content.add(bs_fraction1, "3,2");
FractionLine bs_fraction2 = new FractionLine();
content.add(bs_fraction2, "8,2,9,2");
//--Pizzen
content.add(pizzaPlace[0], "1,4,2,4");
content.add(pizzaPlace[1], "1,5,2,5");
content.add(pizzaPlace[2], "3,4,4,4");
content.add(pizzaPlace[3], "3,5,5,5");
content.add(pizzaPlace[4], "6,4,8,4");
content.add(pizzaPlace[5], "6,5,8,5");
content.add(pizzaPlace[6], "9,4,11,4");
content.add(pizzaPlace[7], "9,5,11,5");
//--Controls
btn_continue = new JButton(lang.Messages.getString("continue"));
btn_continue.addActionListener(this);
btn_continue.addKeyListener(this);
btn_continue.setFocusTraversalKeysEnabled(false);
content.add(btn_continue, "12,1,f,c");
btn_tipp = new JButton(lang.Messages.getString("Tipp"));
btn_tipp.addActionListener(this);
btn_tipp.setEnabled(false);
content.add(btn_tipp, "12,4,f,c");
btn_end = new JButton(lang.Messages.getString("end"));
btn_end.addActionListener(this);
content.add(btn_end, "12,3,f,c");
content.add(pdsp, "12,5");
lb_info.setFont(JFractionLab.infofont);
lb_info.setText(lang.Messages.getString("you_just_need_nb_and_enter"));
content.add(lb_info, "1,6,11,6");
points = owner.points_gemischteZahlen;
pdsp.setText(String.valueOf(points));
makeProblem();
String[] ar_howto = {
"howto_nb_and_enter","howto_option_type_of_exercise","howto_option_invisible"
};
new UsabilityDialog(ar_howto);//new UsabilityDialog
}//Konstruktor
/**
*
*
*/
protected void makeProblem(){
//System.out.println("=== makeProblem ===");
fm = new FractionMaker(); //der Parameter setzt die exclusive Obergrenze der Zahlen des Bruches
fm.mkImproperFraction();
improperFractionNumerator = fm.getNumerator_1();
improperFractionDenominator = fm.getDenominator_1();
//TESTZAHLEN
//improperFractionNumerator = 16; improperFractionDenominator = 8;
mixedNBNumber = improperFractionNumerator/improperFractionDenominator;
mixedNBNumerator = improperFractionNumerator - improperFractionDenominator * mixedNBNumber;
tf_improperFractionDenominator.setText(String.valueOf(improperFractionDenominator));
was_neverVisible = true;
if(isVisible){
drawPizzaBlech();
tf_mixedNBNumber.setEditable(true);
tf_mixedNBNumber.requestFocusInWindow();
lb_info.setText(lang.Messages.getString("which_mixed_number_do_you_see"));
}else{
tf_mixedNBNumber.setText(String.valueOf(mixedNBNumber));
if(mixedNBNumerator != 0){tf_mixedNBNumerator.setText(String.valueOf(mixedNBNumerator));}
if(mixedNBNumerator != 0){tf_mixedNBDenominator.setText(String.valueOf(improperFractionDenominator));}
tf_improperFractionNumerator.setEditable(true);
tf_improperFractionNumerator.requestFocusInWindow();
}
}//makeProblem()
/**
*
*
*/
private void drawPizzaBlech(){
int nb = 0;
for(int i = 0; i < mixedNBNumber; i++){
pizzaPlace[i].drawPizzaAsCircle(improperFractionDenominator, improperFractionDenominator, Color.yellow);
nb = i;
}//for
if(mixedNBNumerator != 0){
pizzaPlace[nb+1].drawPizzaAsCircle(
mixedNBNumerator,
improperFractionDenominator,
Color.yellow);
}else{
pizzaPlace[nb+1].noPizzaAsCircle();
}//if
was_neverVisible = false;
}//drawPizzaBlech
/**
*
*
*/
private void clearPizzaBlech(){
for(int i = 0; i < 8; i++){
pizzaPlace[i].noPizzaAsCircle();
}//for
}//clearPizzaBlech
/**
*
*
*/
protected void nextProblem(){
clearTextFields();
clearPizzaBlech();
if (bl_randomProblem == true){
makeProblem();
}else{
tf_mixedNBNumber.setEditable(true);
tf_mixedNBNumber.requestFocusInWindow();
}//if
}
/**
*
*
*
private void close_it(){
setVisible(false);
dispose();
}//close_it()
*/
/**
*
*/
public void actionPerformed (ActionEvent e) {
Object obj = e.getSource();
if (obj == btn_continue){
if (isVisible){
btn_tipp.setEnabled(false);
}else{
btn_tipp.setEnabled(true);
}
nextProblem();
}else if (obj == btn_end){
close_it();
}else if (obj == btn_tipp){
//System.out.println("btn_tipp");
drawPizzaBlech();
btn_tipp.setEnabled(false);
tf_improperFractionNumerator.requestFocusInWindow();
}else if (obj == rb_visible){
//System.out.println("rb_visble");
//the program is in "Invisible-mode" actually
//but it should switch to "Visible-mode"
if(!bl_randomProblem){drawPizzaBlech();}
btn_tipp.setEnabled(false);
isVisible = true;
}else if (obj == rb_invisible){
//System.out.println("rb_invisble");
//the program is in "Visible-mode" actually
//it should switch to "Invisible-mode"
clearPizzaBlech();
btn_tipp.setEnabled(true);
isVisible = false;
makeProblem();
}else if (obj == rb_random){
//System.out.println("rb_random");
//the program is in "custom-mode" actually
//it should switch to "random-mode"
tf_mixedNBNumber.setEditable(false);
bl_randomProblem = true;
nextProblem();
}else if (obj == rb_custom){
//System.out.println("rb_custom");
//the program is in "random-mode" actually
//it should switch to "custom-mode"
bl_randomProblem = false;
tf_improperFractionDenominator.setText("");
nextProblem();
}else if(obj == jmiCreateWorkSheet){
new WorkSheetDialog(
ExerciseGenerator.MIXED_NUMBERS,
lang.Messages.getString("mixed_numbers"),
lang.Messages.getString("full_numbers"),
lang.Messages.getString("fractions")
);
}else if(obj == jmiHelp){
new HelpStarter(
lang.Messages.getLocale().toString(),
"mixed-numbers"
);
}
}//actionPerformed
/**
*
*/
public void keyPressed(KeyEvent event){
Object obj = event.getSource();
int key = event.getKeyCode();
lb_info.setText("");
if(obj == btn_continue & key == KeyEvent.VK_ENTER){
nextProblem();
}else if(obj == tf_mixedNBNumber & key == KeyEvent.VK_ENTER){
if(readInputInt(tf_mixedNBNumber) != null){
int num = readInputInt(tf_mixedNBNumber);
if(bl_randomProblem){
if(num == mixedNBNumber){
tf_mixedNBNumber.setEditable(false);
if(mixedNBNumerator != 0){
tf_mixedNBNumerator.setEditable(true);
tf_mixedNBNumerator.requestFocusInWindow();
}else{
tf_improperFractionNumerator.setEditable(true);
tf_improperFractionNumerator.requestFocusInWindow();
}
}else{
tf_mixedNBNumber.setText("");
tf_mixedNBNumber.requestFocusInWindow();
}
}else{
int nb = Integer.parseInt(tf_mixedNBNumber.getText());
if(nb >= 8){
lb_info.setText(lang.Messages.getString("nb_smaller_than_eight"));
tf_mixedNBNumber.setText("");
}else{
mixedNBNumber = nb;
tf_mixedNBNumber.setEditable(false);
tf_mixedNBNumerator.setEditable(true);
tf_mixedNBNumerator.requestFocusInWindow();
}
}
}
}else if(obj == tf_mixedNBNumerator & key == KeyEvent.VK_ENTER){
if(readInputInt(tf_mixedNBNumerator) != null){
int num = readInputInt(tf_mixedNBNumerator);
if(bl_randomProblem){
if(num == mixedNBNumerator){
tf_mixedNBNumerator.setEditable(false);
tf_mixedNBDenominator.setEditable(true);
tf_mixedNBDenominator.requestFocusInWindow();
}else{
tf_mixedNBNumerator.setText("");
tf_mixedNBNumerator.requestFocusInWindow();
}
}else{
mixedNBNumerator = readInputInt(tf_mixedNBNumerator);
tf_mixedNBNumerator.setEditable(false);
tf_mixedNBDenominator.setEditable(true);
tf_mixedNBDenominator.requestFocusInWindow();
}
}
}else if(obj == tf_mixedNBDenominator & key == KeyEvent.VK_ENTER){
if(readInputInt(tf_mixedNBDenominator) != null){
int pn = Integer.parseInt(tf_mixedNBDenominator.getText());
if(bl_randomProblem){
if(pn == improperFractionDenominator){
tf_mixedNBDenominator.setEditable(false);
tf_improperFractionNumerator.setEditable(true);
tf_improperFractionNumerator.requestFocusInWindow();
}else{
tf_mixedNBDenominator.setText("");
tf_mixedNBDenominator.requestFocusInWindow();
}
}else{
if(pn <= mixedNBNumerator){
lb_info.setText(lang.Messages.getString("dn_must_be_bigger"));
tf_mixedNBDenominator.setText("");
}else{
improperFractionDenominator = pn;
improperFractionNumerator = mixedNBNumber * improperFractionDenominator + mixedNBNumerator;
if(isVisible){drawPizzaBlech();}
tf_improperFractionDenominator.setText(String.valueOf(improperFractionDenominator));
tf_mixedNBDenominator.setEditable(false);
tf_improperFractionNumerator.setEditable(true);
tf_improperFractionNumerator.requestFocusInWindow();
}
}
}
}else if(obj == tf_improperFractionNumerator & key == KeyEvent.VK_ENTER){
if(readInputInt(tf_improperFractionNumerator) != null){
int num2 = Integer.parseInt(tf_improperFractionNumerator.getText());
if( num2 != improperFractionNumerator ){
lb_info.setText(lang.Messages.getString("how_many_pieces"));
tf_improperFractionNumerator.setText("");
}else{
lb_info.setText(lang.Messages.getString("that_is_right"));
if(bl_randomProblem){
points++;
}
if(bl_randomProblem && !isVisible && was_neverVisible){
//extrapunkt
points++;
}
pdsp.setText(String.valueOf(points));
owner.setPoints(points, "gemischteZahlen");
tf_improperFractionNumerator.setEditable(false);
drawPizzaBlech();
btn_continue.requestFocusInWindow();
}
}
}
}//keyPressed
public void keyTyped(KeyEvent event){}
public void keyReleased(KeyEvent event){}
}//class
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