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Components.java
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Components.java
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/* File : Components.java
* Program : Handle Reduction Animation - Applet
* By Jean Fromentin <jean.froment@gmail.com>
* Copyright 2000 Jean Fromentin
*
* 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.
*/
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.AdjustmentEvent;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JDialog;
import javax.swing.JRadioButton;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JOptionPane;
import javax.swing.JScrollBar;
import javax.swing.ButtonGroup;
import javax.swing.Timer;
public class Components extends JPanel{
private HandleReductionPanel handleReductionPanel;
private JButton draw,compare,reduce,controls,controlsApply,controlsCancel;
private JRadioButton continuous,stepByStep;
private JTextField wordField,firstWordField,secondWordField;
private JScrollBar delayScrollBar;
private int pauseDelay,newPauseDelay;
private JLabel wordLabel,delayLabel;
private JDialog controlsFrame,compareFrame,drawFrame;
private Listener listener;
private Timer animationTimer;
private Boolean reducing,continuousAnimation,comparing;
private String word,word1,word2;
public Components(){
handleReductionPanel=new HandleReductionPanel();
draw=new JButton("Draw");
compare=new JButton("Compare");
reduce=new JButton("Reduce");
controls=new JButton("Controls");
wordLabel=new JLabel("Empty word");
//Layout
setLayout(new BorderLayout());
add(wordLabel,BorderLayout.NORTH);
add(handleReductionPanel,BorderLayout.CENTER);
JPanel buttonPanel=new JPanel();
add(buttonPanel,BorderLayout.SOUTH);
buttonPanel.setLayout(new FlowLayout());
buttonPanel.add(draw);
buttonPanel.add(compare);
buttonPanel.add(reduce);
buttonPanel.add(controls);
//Action listenner
listener=new Listener(this);
draw.addActionListener(listener);
compare.addActionListener(listener);
reduce.addActionListener(listener);
controls.addActionListener(listener);
//Action command
draw.setActionCommand("draw");
compare.setActionCommand("compare");
reduce.setActionCommand("reduce");
controls.setActionCommand("controls");
//States
reducing=false;
comparing=false;
continuousAnimation=true;
reduce.setEnabled(false);
pauseDelay=10;
createTimer();
}
//Buttons state
public void setButtonsState(Boolean drawState,Boolean compareState,Boolean reduceState,Boolean controlsState){
draw.setEnabled(drawState);
compare.setEnabled(compareState);
reduce.setEnabled(reduceState);
controls.setEnabled(controlsState);
}
//Actions
public void updateWord(){
wordLabel.setText("Current word : "+handleReductionPanel.getCurrentWord());
wordLabel.updateUI();
}
public void draw(){
drawFrame=new JDialog();
drawFrame.setResizable(false);
drawFrame.setTitle("Draw braid");
//First word
JLabel wordLabel=new JLabel(" Braid word : ");
wordField=new JTextField();
wordField.setPreferredSize(new Dimension(200, 28));
//Buttons
JButton drawCancel,drawApply;
drawCancel=new JButton("Cancel");
drawApply=new JButton("Draw");
//Action listenner
drawCancel.addActionListener(listener);
drawApply.addActionListener(listener);
//Action command
drawCancel.setActionCommand("drawCancel");
drawApply.setActionCommand("drawApply");
//Layout
GridBagLayout gb=new GridBagLayout();
GridBagConstraints gbc=new GridBagConstraints();
drawFrame.setLayout(gb);
gbc.anchor = GridBagConstraints.EAST;
gbc.insets = new Insets(5, 5, 5, 5);
gbc.gridx=0;
gbc.gridy=0;
gbc.gridwidth=1;
gb.setConstraints(wordLabel,gbc);
drawFrame.add(wordLabel);
gbc.gridx=1;
gbc.gridy=0;
gbc.gridwidth=2;
gb.setConstraints(wordField,gbc);
drawFrame.add(wordField);
gbc.gridx=1;
gbc.gridy=1;
gbc.gridwidth=1;
gb.setConstraints(drawCancel,gbc);
drawFrame.add(drawCancel);
gbc.gridx=2;
gbc.gridy=1;
gbc.gridwidth=1;
gb.setConstraints(drawApply,gbc);
drawFrame.add(drawApply);
drawFrame.pack();
drawFrame.setVisible(true);
/*JOptionPane dialog = new JOptionPane();
String word = dialog.showInputDialog(this,"Enter the braid word to draw :");
handleReductionPanel.writeBraidWord(word);
updateWord();
setButtonsState(true,true,true,true);
reduce.setText("Reduce");
reduce.updateUI();*/
}
public void drawBraid(){
word=wordField.getText();
comparing=false;
handleReductionPanel.writeBraidWord(word);
updateWord();
setButtonsState(true,true,true,true);
reduce.setText("Reduce");
reduce.updateUI();
}
public void closeDraw(){
drawFrame.dispose();
}
public void reduce(){
if(reducing){
animationTimer.stop();
reducing=false;
setButtonsState(true,true,true,true);
reduce.setText("Continue");
reduce.updateUI();
}
else{
reducing=true;
setButtonsState(false,false,true,false);
reduce.setText("Pause");
reduce.updateUI();
animationTimer.start();
}
}
public void controls(){
controlsFrame=new JDialog();
controlsFrame.setResizable(false);
controlsFrame.setTitle("Controls");
//Animation mode
JLabel modeLabel=new JLabel(" Animation : ");
continuous=new JRadioButton("Continuous",continuousAnimation);
stepByStep=new JRadioButton("Step-by-step",!continuousAnimation);
ButtonGroup group = new ButtonGroup();
group.add(continuous);
group.add(stepByStep);
//Pause delay
newPauseDelay=pauseDelay;
JLabel pauseLabel=new JLabel(" Pause delay : ");
delayLabel=new JLabel(" "+newPauseDelay+" ms ");
delayScrollBar=new JScrollBar(JScrollBar.HORIZONTAL,newPauseDelay,1,0,100);
delayScrollBar.setPreferredSize(new Dimension(150,20));
//Buttons
controlsApply=new JButton("Apply");
controlsCancel=new JButton("Cancel");
//Layout
GridBagLayout gb=new GridBagLayout();
GridBagConstraints gbc=new GridBagConstraints();
controlsFrame.setLayout(gb);
gbc.anchor = GridBagConstraints.WEST;
gbc.insets = new Insets(5, 5, 5, 5);
gbc.gridx=0;
gbc.gridy=0;
gbc.gridwidth=1;
gb.setConstraints(pauseLabel,gbc);
controlsFrame.add(pauseLabel);
gbc.gridx=1;
gbc.gridy=0;
gbc.gridwidth=2;
gb.setConstraints(delayScrollBar,gbc);
controlsFrame.add(delayScrollBar);
gbc.gridx=3;
gbc.gridy=0;
gbc.gridwidth=1;
gb.setConstraints(delayLabel,gbc);
controlsFrame.add(delayLabel);
gbc.gridx=0;
gbc.gridy=1;
gbc.gridwidth=1;
gb.setConstraints(modeLabel,gbc);
controlsFrame.add(modeLabel);
gbc.gridx=1;
gbc.gridy=1;
gbc.gridwidth=2;
gb.setConstraints(continuous,gbc);
controlsFrame.add(continuous);
gbc.gridx=1;
gbc.gridy=2;
gbc.gridwidth=2;
gb.setConstraints(stepByStep,gbc);
controlsFrame.add(stepByStep);
gbc.anchor = GridBagConstraints.EAST;
gbc.gridx=2;
gbc.gridy=3;
gbc.gridwidth=1;
gb.setConstraints(controlsCancel,gbc);
controlsFrame.add(controlsCancel);
gbc.gridx=3;
gbc.gridy=3;
gbc.gridwidth=1;
gb.setConstraints(controlsApply,gbc);
controlsFrame.add(controlsApply);
//Action listenner
controlsApply.addActionListener(listener);
controlsCancel.addActionListener(listener);
delayScrollBar.addAdjustmentListener(listener);
//Action command
controlsApply.setActionCommand("controlsApply");
controlsCancel.setActionCommand("controlsCancel");
//Active frame
controlsFrame.pack();
controlsFrame.setVisible(true);
}
public void delayAdjust(){
newPauseDelay=delayScrollBar.getValue();
delayLabel.setText(" "+newPauseDelay+" ms ");
delayLabel.updateUI();
}
public void saveParameters(){
continuousAnimation=continuous.isSelected();
pauseDelay=newPauseDelay;
animationTimer.setDelay(pauseDelay);
}
public void closeControls(){
controlsFrame.dispose();
}
public void compare(){
compareFrame=new JDialog();
compareFrame.setResizable(false);
compareFrame.setTitle("Compare braids");
//First word
JLabel firstWordLabel=new JLabel(" First braid word : ");
firstWordField=new JTextField();
firstWordField.setPreferredSize(new Dimension(200, 28));
//Second word
JLabel secondWordLabel=new JLabel(" Second braid word : ");
secondWordField=new JTextField();
secondWordField.setPreferredSize(new Dimension(200, 28));
//Buttons
JButton compareCancel,compareApply;
compareCancel=new JButton("Cancel");
compareApply=new JButton("Compare");
//Action listenner
compareCancel.addActionListener(listener);
compareApply.addActionListener(listener);
//Action command
compareCancel.setActionCommand("compareCancel");
compareApply.setActionCommand("compareApply");
//Layout
GridBagLayout gb=new GridBagLayout();
GridBagConstraints gbc=new GridBagConstraints();
compareFrame.setLayout(gb);
gbc.anchor = GridBagConstraints.EAST;
gbc.insets = new Insets(5, 5, 5, 5);
gbc.gridx=0;
gbc.gridy=0;
gbc.gridwidth=1;
gb.setConstraints(firstWordLabel,gbc);
compareFrame.add(firstWordLabel);
gbc.gridx=1;
gbc.gridy=0;
gbc.gridwidth=2;
gb.setConstraints(firstWordField,gbc);
compareFrame.add(firstWordField);
gbc.gridx=0;
gbc.gridy=1;
gbc.gridwidth=1;
gb.setConstraints(secondWordLabel,gbc);
compareFrame.add(secondWordLabel);
gbc.gridx=1;
gbc.gridy=1;
gbc.gridwidth=2;
gb.setConstraints(secondWordField,gbc);
compareFrame.add(secondWordField);
gbc.gridx=1;
gbc.gridy=2;
gbc.gridwidth=1;
gb.setConstraints(compareCancel,gbc);
compareFrame.add(compareCancel);
gbc.gridx=2;
gbc.gridy=2;
gbc.gridwidth=1;
gb.setConstraints(compareApply,gbc);
compareFrame.add(compareApply);
compareFrame.pack();
compareFrame.setVisible(true);
}
public void compareBraids(){
word1=firstWordField.getText();
word2=secondWordField.getText();
System.out.println(word1+"/"+word2);
word=word1;
char l;
for(int i=word2.length()-1;i>=0;i--){
l=word2.charAt(i);
if('a'<=word2.charAt(i) && word2.charAt(i)<='z'){
l=(char)((int)l-(int)'a'+(int)'A');
}
else if('A'<=word2.charAt(i) && word2.charAt(i)<='Z'){
l=(char)((int)l-(int)'A'+(int)'a'); }
word+=l;
}
handleReductionPanel.writeBraidWord(word);
comparing=true;
updateWord();
setButtonsState(true,true,true,true);
reduce.setText("Reduce");
reduce.updateUI();
}
public void closeCompare(){
compareFrame.dispose();
}
//Timer
public void createTimer(){
if(animationTimer!=null){
animationTimer.stop();
}
animationTimer=new Timer(pauseDelay,listener);
animationTimer.setActionCommand("tic");
}
public void tic(){
handleReductionPanel.refresh();
int state=handleReductionPanel.reduce();
if(state==2){
updateWord();
if(!continuousAnimation){
reduce();
}
}
else if(state==0){
animationTimer.stop();
reducing=false;
setButtonsState(true,true,false,true);
String finalWord=handleReductionPanel.getCurrentWord();
String message;
int ind=handleReductionPanel.braidDrawing.indice();
if(!comparing){
if(finalWord.equals("Empty")){
message="The final word is empty, so your initial braid word \n"+word+" is trivial.";
}
else{
message="There is no more handle and the final word is nonempty,\nso your initial braid word "+word+" is not trivial.";
}
}
else{
if(ind==0){
message="The final word is empty,\nso your initial braid words "+word1+" and "+word2+" are equivalent.";
}
else{
message="There is no more handle and the final word is nonempty,\nso your initial braid words "+word1+" and "+word2+" are not equivalent.";
}
}
JOptionPane.showMessageDialog(null,message);
reduce.setText("Reduce");
reduce.updateUI();
}
}
}