A few suggestions:
> I have a fill-in-the-gaps exercise and I have added a hint
> button which checks to see which part of the word a student
> has entered is correct and then adds the next (correct)
> letter to the end of the string. My problem is that the
> cursor stays just in front of the added letter instead of
> going to the end of the string. I've tried selecting the
> letter that has just been added and for a second the last
> letter is highlighted but then the cursor goes back to its
> original place. Here's the code I'm using:
>
> function showLetter() {
> //get the text the student has entered
> currentWord = eval("gap"+currentGap).gap_txt.text;
using Eval here is a bit out of date - try
currentWord = this["gap"+currentGap].gap_txt.text
> currentLength = currentWord.length;
> newText = "";
> correctText = gWords[currentGap];
> lastLetter = 0;
> //compare it one letter at a time to the correct answer
> for (j=0; j<currentWord.length; j++) {
make sure you use 'var j=0' here, otherwise you could cause problems
elsewhere in your code (in fact, you may need to do this with several other
variables here, including lastLetter, newText and correctText)
> if (currentWord.charAt(j) == correctText.charAt(j)) {
> newText += correctText.charAt(j);
> lastLetter = j;
> } else {
> break;
> }
> }
> currentLength = newText.length;
> //show the correct portion of the text plus the next
> (correct) letter
> eval("gap"+currentGap).gap_txt.text =
again, this["gap"+currentGap].gap_txt.text =
> gWords[currentGap].substr(0, currentLength+1);
> eval("gap"+currentGap).gap_txt.setTextFormat(numFormat);
> //select the last letter - this does not move the cursor
> Selection.setSelection(currentLength,currentLength+1);
Now, when is this happening? If it's on a keyDown, you might want to think
about doing it on an onChanged event instead.
Danny
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