public void deletBackwards() {
if (caretPos == 0) {
TextBlock tb = caretBlock.previousTextBlock();
if (tb == null) {
return;
} else {
caretBlock = tb;
caretPos = caretBlock.textLength();
}
}
if (caretBlock.textLength() == 1) {
TextBlock tb = caretBlock.previousTextBlock();
int newPos = tb.textLength();
caretBlock.remove();
if (tb == null) {
caretBlock = textBoard.firstTextBlock();
caretPos = 0;
} else {
caretBlock = tb;
caretPos = newPos;
}
} else {
caretBlock.deleteCharBefore(caretPos);
caretPos -= 1;
}
textBoard.repaint();
}
public void insertCharacter(char c) {
String s = "" + c;
if (Character.isLetter(c)) {
insertLetter(c);
textBoard.repaint();
} else if (TextBoard.PUNCTUATION.indexOf(s) >= 0) {
insertPunctuation(c);
textBoard.repaint();
} else {
// E.info("ignoring funny character " + s);
}
}
public void caretRight() {
if (caretBlock == null) {
return;
}
if (caretPos < caretBlock.textLength()) {
caretPos += 1;
} else {
TextBlock tb = caretBlock.nextTextBlock();
if (tb == null) {
} else {
caretBlock = tb;
caretPos = 1;
}
}
textBoard.repaint();
}
public void caretLeft() {
if (caretBlock == null) {
return;
}
if (caretPos > 0) {
caretPos -= 1;
} else {
TextBlock tb = caretBlock.previousTextBlock();
if (tb == null) {
} else {
caretBlock = tb;
caretPos = caretBlock.textLength() - 1;
}
}
textBoard.repaint();
}