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HandleReductionPanel.java
executable file
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/
HandleReductionPanel.java
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/* File : HandleReductionPanel.java
* Program : Handle Reduction Aimation - Applet
* By Jean Fromentin <jfroment@info.unicaen.fr>
* Copyright 2008 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.Color;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
public class HandleReductionPanel extends JPanel {
private JLabel currentBraidWord;
private String braidWord="";
private boolean braidWordSet=false;
public BraidDrawing braidDrawing;
public String currentWord="";
public boolean working=false;
private int animationStep;
private float parameterAnimationStep2=1;
private float parameterAnimationStep4;
private float parameterAnimationStep5;
private boolean continuousAnimation=true;
private Image offScreenBuffer;
public HandleReductionPanel(){
setBackground(new Color(220,220,220));
setVisible(true);
}
public void add(char c){
braidWord+=c;
writeBraidWord(braidWord);
}
public void remove(){
if(braidWord.length()!=0){
braidWord=braidWord.substring(0,braidWord.length()-1);
writeBraidWord(braidWord);
}
}
public void clear(){
braidWord="";
writeBraidWord(braidWord);
}
public void writeBraidWord(String buffer){
braidWord=buffer;
braidDrawing=new BraidDrawing(braidWord);
animationStep=0;
updateCurrentBraidWord();
braidWordSet=true;
update(getGraphics());
}
public void updateCurrentBraidWord(){
currentWord=braidDrawing.word();
}
public String getCurrentWord(){
return braidWord;
}
public void paint(Graphics g){
if(!braidDrawing.isDraw){
update(g);
braidDrawing.isDraw=true;
}
else{
g.drawImage(offScreenBuffer,0,0,this);
}
}
public void refresh(){
update(getGraphics());
}
public void update(Graphics g) {
if(braidWordSet){
Graphics gr;
if (offScreenBuffer==null||(!(offScreenBuffer.getWidth(this)==getBounds().width && offScreenBuffer.getHeight(this)==getBounds().height))){
offScreenBuffer=createImage(getBounds().width,getBounds().height);
}
gr=offScreenBuffer.getGraphics();
braidDrawing.calcXPos(gr,getBounds(),animationStep,parameterAnimationStep2,parameterAnimationStep4,parameterAnimationStep5);
braidDrawing.draw(gr);
g.drawImage(offScreenBuffer,0,0,this);
}
}
public int reduce(){
if(!braidWordSet){
JOptionPane.showMessageDialog(null,"Vous devez d'abord saisir un mot de tresse ","Erreur",JOptionPane.ERROR_MESSAGE);
return 0;
}
else if(animationStep==0){
braidDrawing.handleNormalDraw=true;
braidDrawing.findHandle();
if(braidDrawing.handleStrand==0){
return 0;
}
braidDrawing.firstDraw=true;
braidDrawing.insertTrivials();
braidDrawing.trivialHeight=0;
animationStep=1;
}
else if(animationStep==1){
if(braidDrawing.trivialHeight>=1){
braidDrawing.trivialHeight=1;
parameterAnimationStep2=1;
animationStep=2;
}
else{
braidDrawing.trivialHeight+=0.1;
}
}
else if(animationStep==2){
braidDrawing.handleNormalDraw=false;
if(parameterAnimationStep2<0){
parameterAnimationStep2=0;
animationStep=3;
}
else{
parameterAnimationStep2-=(float)(0.05);
}
}
else if(animationStep==3){
parameterAnimationStep4=0;
animationStep=4;
}
else if(animationStep==4){
if(parameterAnimationStep4>=1){
braidDrawing.removeHandle();
parameterAnimationStep2=1;
parameterAnimationStep5=1;
animationStep=5;
}
else{
parameterAnimationStep4+=(float)0.05;
}
}
else if(animationStep==5){
if(parameterAnimationStep5<=0){
parameterAnimationStep5=0;
animationStep=6;
}
else{
parameterAnimationStep5-=(float)0.05;
}
}
else if(animationStep==6){
if(braidDrawing.trivialHeight<=0){
braidDrawing.trivialHeight=0;
animationStep=7;
}
else{
braidDrawing.trivialHeight-=0.1;
}
}
else if(animationStep==7){
braidDrawing.removeTrivials();
braidDrawing.handleNormalDraw=true;
braidDrawing.handleStrand=0;
animationStep=0;
braidDrawing.handleBeginIndice=0;
braidDrawing.handleEndIndice=0;
return 2;
}
else{
return 0;
}
braidWord=braidDrawing.word();
return 1;
}
}