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BUG Fix the edge cases for radio button conditionals.

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The specific situation this is fixing is that when server-side
validation fails and results in form having non-default values. In this
case the visibility might not be correct and will need to be updated.

Also, we cannot rely on onclick events on radio group to find out the
current value when we are loading - instead we need to actually find
out the currently selected radio button.

Fixes the IsBlank and IsNotBlank conditions as well.
This commit is contained in:
Mateusz Uzdowski 2012-09-11 08:52:33 +12:00 committed by Will Rossiter
parent a38729073f
commit 1fa4c2d81d
1 changed files with 58 additions and 17 deletions
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61
code/model/UserDefinedForm.php
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@ -535,14 +535,21 @@ JS
// watch out for multiselect options - radios and check boxes
if(is_a($formFieldWatch, 'EditableDropdown')) {
$fieldToWatch = "$(\"select[name='".$dependency['ConditionField']."']\")";
$fieldToWatchOnLoad = $fieldToWatch;
}
// watch out for checkboxs as the inputs don't have values but are 'checked
else if(is_a($formFieldWatch, 'EditableCheckboxGroupField')) {
$fieldToWatch = "$(\"input[name='".$dependency['ConditionField']."[".$dependency['Value']."]']\")";
$fieldToWatchOnLoad = $fieldToWatch;
}
else if(is_a($formFieldWatch, 'EditableRadioField')) {
$fieldToWatch = "$(\"input[name='".$dependency['ConditionField']."']\")";
// We only want to trigger on load once for the radio group - hence we focus on the first option only.
$fieldToWatchOnLoad = "$(\"input[name='".$dependency['ConditionField']."']:first\")";
}
else {
$fieldToWatch = "$(\"input[name='".$dependency['ConditionField']."']\")";
$fieldToWatchOnLoad = $fieldToWatch;
}
// show or hide?
@ -559,23 +566,37 @@ JS
// is this field a special option field
$checkboxField = false;
$radioField = false;
if(in_array($formFieldWatch->ClassName, array('EditableCheckboxGroupField', 'EditableCheckbox'))) {
$action = "click";
$checkboxField = true;
}
else if ($formFieldWatch->ClassName == "EditableRadioField") {
$radioField = true;
}
// Escape the values.
$dependency['Value'] = str_replace('"', '\"', $dependency['Value']);
// and what should we evaluate
switch($dependency['ConditionOption']) {
case 'IsNotBlank':
$expression = ($checkboxField) ? '$(this).attr("checked")' :'$(this).val() != ""';
$expression = ($checkboxField || $radioField) ? '$(this).attr("checked")' :'$(this).val() != ""';
break;
case 'IsBlank':
$expression = ($checkboxField) ? '!($(this).attr("checked"))' : '$(this).val() == ""';
$expression = ($checkboxField || $radioField) ? '!($(this).attr("checked"))' : '$(this).val() == ""';
break;
case 'HasValue':
$expression = ($checkboxField) ? '$(this).attr("checked")' : '$(this).val() == "'. $dependency['Value'] .'"';
if ($checkboxField) {
$expression = '$(this).attr("checked")';
} else if ($radioField) {
// We cannot simply get the value of the radio group, we need to find the checked option first.
$expression = '$(this).parents(".field").find("input:checked").val()=="'. $dependency['Value'] .'"';
} else {
$expression = '$(this).val() == "'. $dependency['Value'] .'"';
}
break;
case 'ValueLessThan':
@ -594,20 +615,40 @@ JS
$expression = '$(this).val() >= parseFloat("'. $dependency['Value'] .'")';
break;
default:
$expression = ($checkboxField) ? '!($(this).attr("checked"))' : '$(this).val() != "'. $dependency['Value'] .'"';
default: // ==HasNotValue
if ($checkboxField) {
$expression = '!$(this).attr("checked")';
} else if ($radioField) {
// We cannot simply get the value of the radio group, we need to find the checked option first.
$expression = '$(this).parents(".field").find("input:checked").val()!="'. $dependency['Value'] .'"';
} else {
$expression = '$(this).val() != "'. $dependency['Value'] .'"';
}
break;
}
// put it all together
$rules .= $fieldToWatch.".$action(function() {
// Register conditional behaviour with an element, so it can be triggered from many places.
$rules .= $fieldToWatch.".each(function() {
$(this).data('userformConditions', function() {
if(". $expression ." ) {
$(\"#". $fieldId ."\").".$view."();
}
else {
$(\"#". $fieldId ."\").".$opposite."();
}
});
});";
// Trigger update on element changes.
$rules .= $fieldToWatch.".$action(function() {
$(this).data('userformConditions').call(this);
});\n";
// Trigger update on load (if server-side validation fails some fields will have different values than defaults).
$rules .= $fieldToWatchOnLoad.".each(function() {
$(this).data('userformConditions').call(this);
});\n";
}
}
}
@ -617,9 +658,9 @@ JS
Requirements::customScript(<<<JS
(function($) {
$(document).ready(function() {
$rules
$default
$rules
})
})(jQuery);
JS