Core data - binding related problem in NSNumberFormatter and NSDatePicker
Core data - binding related problem in NSNumberFormatter and NSDatePicker
- Subject: Core data - binding related problem in NSNumberFormatter and NSDatePicker
- From: Devarshi Kulshreshtha <email@hidden>
- Date: Thu, 16 Dec 2010 16:08:05 +0530
Hi Pat,
Regarding:
For #1, you have an non-ascii character at the front of the number formatter
> (in IB).
It is now working correctly when I am entering the price with $ symbol
prefixed, eg. $123,00 :)
I think that this is not user intuitive, user may not always know that he/
she has to prefix dollar symbol. I think it would have been good if:
1. I can somehow change the alert message which now says - "Formatting
Error" to "You should prefix dollar symbol".
2. Numberformatter can automatically prefix the '$' symbol to the entered
decimal number.
Do you know any way to implement these?
For #2, you are only actually setting the value of the selected car.
> However the value of the date (if you don't purposefully set it) is nil,
> and the Date Picker is not displaying a value for nil, so it is leaving the
> value in there. Try adding two cars, and setting a value for each car.
> Then it will change for each selection. I discovered this by adding a text
> field, setting a date formatter on the text field, and binding the text
> field to the same binding as the date picker.
Your interpretation is correct, when I set the default value of
datePurchased attribute to some value say- 2010-12-10 in
MyDocument.xcdatamodel, it started working as intended.
So I am now thinking that can we set the default value to today's date in
xcdatamodel?
Also when I tried adding two or more cars and change their data value, I got
the same problem. I used date-picker according to my requirements.
--
Thanks,
Devarshi
--
Thanks,
Devarshi
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