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final String[] words = {"=", "^#.*$"};
StyleContext sc = new StyleContext();
final Style styleNormal = sc.addStyle("normal", null);
Style styleEgale = sc.addStyle("egale", null);
styleEgale.addAttribute(StyleConstants.Foreground, new Color(255,0,0));
Style styleCommentaire = sc.addStyle("commentaire", null);
styleCommentaire.addAttribute(StyleConstants.Foreground, new Color(28,147,64));
final Style[] styles = {styleEgale, styleCommentaire};
this.jTextPane.setDocument( new DefaultStyledDocument(){
/**
*
*/
private static final long serialVersionUID = 1L;
@Override
public void insertString(int arg0, String arg1, AttributeSet arg2) throws BadLocationException
{
super.insertString(arg0, arg1, arg2);
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
try {
colorise(FenetreEditionPropriete.this.jTextPane);
} catch (BadLocationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
};
});
}
@Override
public void remove(int arg0, int arg1) throws BadLocationException
{
super.remove(arg0, arg1);
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
try {
colorise(FenetreEditionPropriete.this.jTextPane);
} catch (BadLocationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
};
});
}
public void colorise(JTextComponent comp) throws BadLocationException {
if(words.length<styles.length) {
throw new ArrayIndexOutOfBoundsException();
}
int nbLigne = this.getNombreLigne(comp);
int hauteurLigne = 16;
int hautAffiche = new Double(comp.getVisibleRect().getY()).intValue();
int basAffiche = new Double(comp.getVisibleRect().getY() + comp.getVisibleRect().getHeight()).intValue();
double hauteur = basAffiche - hautAffiche;
int ligneDebut = (hautAffiche / hauteurLigne) - 5;
int ligneFin = (basAffiche / hauteurLigne) + 5;
if (ligneFin>nbLigne) {
ligneFin = nbLigne;
}
if (ligneDebut<0) {
ligneDebut = 0;
}
String texteComplet = comp.getText();
int indexDebut = texteComplet.indexOf("\n",ligneDebut);
if (ligneDebut == 0) {
indexDebut = 0;
}
int ligneCourante = ligneDebut;
int indexFin = indexDebut;
while (ligneCourante < ligneFin) {
int indexCourant = texteComplet.indexOf("\n",indexFin +1);
if (indexCourant == -1) {
indexFin = texteComplet.length() - 1;
break;
}
indexFin = texteComplet.indexOf("\n",indexFin +1);
ligneCourante++;
}
int longueur = indexFin - indexDebut;
String texteAffiche = texteComplet.substring(indexDebut, indexFin);
//((DefaultStyledDocument)comp.getDocument()).setCharacterAttributes(0, content.length()-1, styleNormal, true);
((DefaultStyledDocument)comp.getDocument()).setCharacterAttributes(indexDebut, longueur, styleNormal, true);
for(int i=0;i<words.length;i++) {
Pattern pattern = Pattern.compile(words[i],Pattern.MULTILINE);
Matcher matcher = pattern.matcher(texteAffiche);
while(matcher.find()) {
int indexDebutStyle = matcher.start() + indexDebut;
int longueurStyle = matcher.end()-matcher.start();
((DefaultStyledDocument)comp.getDocument()).setCharacterAttributes(indexDebutStyle, longueurStyle, styles[i], false);
}
}
}
private int getNombreLigne(JTextComponent comp) {
return comp.getDocument().getDefaultRootElement().getElementCount();
}
}); |
