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MDL-38356 Forms: Check that the form exists before applying changechecker

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Signed-off-by: Andrew Robert Nicols <andrew.nicols@luns.net.uk>
This commit is contained in:
Brent Boghosian 2013-03-06 16:43:43 +00:00 • committed by Andrew Robert Nicols
parent cce0d9a100
commit 7e21ee683b
1 changed files with 5 additions and 0 deletions
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5
lib/yui/formchangechecker/formchangechecker.js vendored
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@ -18,6 +18,11 @@ YUI.add('moodle-core-formchangechecker',
var formid = 'form#' + this.get('formid'), var formid = 'form#' + this.get('formid'),
currentform = Y.one(formid); currentform = Y.one(formid);
if (!currentform) {
// If the form was not found, then we can't check for changes.
return;
}
// Add change events to the form elements // Add change events to the form elements
currentform.delegate('change', M.core_formchangechecker.set_form_changed, 'input', this); currentform.delegate('change', M.core_formchangechecker.set_form_changed, 'input', this);
currentform.delegate('change', M.core_formchangechecker.set_form_changed, 'textarea', this); currentform.delegate('change', M.core_formchangechecker.set_form_changed, 'textarea', this);