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» Read-only value not available in oldvals? |
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LP
Joined: 27 Feb 2006
Posts: 1
Posted: 2006-02-27 23:00
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Is it a bug or a feature?
I found out that a field marked as read-only for "change" ('input' => 'R|C') will not be available in oldvals and newvals arrays.
I find this annoying, since I am performing actions based on the value of this field in a trigger.
I also don't understand the rationale of not having this value available, even though it's read only.
Hiding the field is ok, the value is then available, but I would prefer having the field read-only, providing the user with some feedback on what the value is.
Maybe there is a reason for this?
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DeanS
Joined: 28 Mar 2006
Posts: 10
Posted: 2006-03-31 17:50
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I have the same problem as above. I am using a trigger to check a value but first need to check the value of the read-only field.
Is there anywhere this value is held and can be got at?
Regards
Dean
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DeanS
Joined: 28 Mar 2006
Posts: 10
Posted: 2006-03-31 18:48
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I HAVE GOT A WORKAROUND.
1.
Do not use 'input' => 'R' (Let it stay editable)
2.
In the trigger file add the following line at the top of the trigger
//Reset New value to Old value
if($newvals['column'] != $oldvals['column']) $newvals['column'] = $oldvals[column];
But still would be nice to be able to get the value of a read-only field in a trigger.
Regards
Dean
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KarelB
Joined: 01 Jun 2007
Posts: 24
Posted: 2007-08-23 13:36
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Another trick i like to share:
Create a dummy column along the lines of:
$opts['fdd']['col1'] = array(
'name' => 'col1',
'options' => 'LFCR',
'nowrap' => true,
'sort' => true
);
$opts['fdd']['dummy_col1'] = array(
'name' => 'dummy',
'options' => 'HC',
'sql' => 'col1',
'nowrap' => true,
'sort' => true
);
You can now use the value of newvals['dummy_col1'] which is a copy of the original value of col1.
(make sure that your db table has a dummy_col1 field as well)
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