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Re: [riena-dev] DateTextRidget discussion
|
+1
I agree on all three points......
christian
Am 25.10.2008 um 01:33 schrieb Volanakis, Elias:
Hi everybody,
I've finished the Riena DateTextRidget. The API leaves a
implementation
points open, which I would like to discuss:
1. ridget.setText(newText) - My implementation accepts all 'partial'
matches of the pattern and throws a RuntimeException otherwise.
/*
* A partial match is any string that has digits
* and separators in the expected places - as defined by the
* format pattern - regardless of limits for a certain group
* (i.e. month <= 12 etc.). For example, assuming the format
* pattern is 'dd.MM.yyyy', all of the following values are
* valid: "", "12", "12.10", "47.11", "12.10.20",
"12.10.2008",
* " . . ", " .10". Invalid values would be: null,
"abc",
* "12.ab", "12122008", "12/12/2008"
*/
2. ridget.updateFromModel() - similar to 1 - partial matches are
accepted; otherwise the value is ignored (no Exception thrown, ridget
and control are left as is).
(1+2 match the behavior of NumericTextRidget / DecimalTextRidget)
3. What is the desired behavior after changing the format pattern?
It's
hard to generalize, sometimes the new pattern is a modification of the
old one, sometimes is something enterely different. The patterns can
also vary a lot.
Example #1:
ridget.setFormat("dd.MM.yyyy");
ridget.setText("12.12.2008");
ridget.setFormat("HH:mm");
ridget.getText() ?
Example #2:
ridget.setFormat("dd.MM.yyyy");
ridget.setText("24.10.2008");
ridget.setFormat("MM.dd");
ridget.getText() ?
My implementation will clear the value in the ridget and the control
once the pattern is changed. The model is left as is. In most cases I
expect that the pattern would be set before calling r.setText() /
r.updateFromModel();
Your comments are appreciated.
Kind regards,
Elias.
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