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/**
* Handle display of dependent, i. e. optional fieldsets
*
* Fieldsets may be defined as dependent on the value of a certain input. In
* this case they contain a p element with the CSS class “bureaucracy_depends”.
* This p element holds a span with the class “bureaucracy_depends_fname”
* and optionally another span with “bureaucracy_depends_fvalue”. They
* specify the target input (fname) and the target value for which the fieldset
* is to be shown.
*
* This function adds onchange handlers to the relevant inputs for showing and
* heading the respective fieldsets.
*
* @author Adrian Lang <dokuwiki@cosmocode.de>
**/
jQuery(function () {
jQuery('form.bureaucracy__plugin').each(function () {
//show/hide fieldset and trigger depending children
function updateFieldset(input) {
jQuery.each(jQuery(input).data('dparray'), function (i, dp) {
var showOrHide =
input.parentNode.parentNode.style.display !== 'none' && // input/checkbox is displayed AND
((input.checked === dp.tval) || // ( checkbox is checked
(input.type !== 'checkbox' && (dp.tval === true && input.value !== '')) || // OR no checkbox, but input is set
input.value === dp.tval); // OR input === dp.tval )
dp.fset.toggle(showOrHide);
dp.fset.find('input,select')
.each(function () {
//toggle required attribute
var $inputelem = jQuery(this);
if($inputelem.hasClass('required')) {
if(showOrHide) {
$inputelem.attr('required', 'required');
} else {
$inputelem.removeAttr('required')
}
}
//update dependencies
if ($inputelem.data('dparray')) {
$inputelem.change();
}
});
});
}
//look for p (with info about controller) in depending fieldsets
jQuery('p.bureaucracy_depends', this)
.each(function () {
//get controller info
var fname = jQuery(this).find('span.bureaucracy_depends_fname').html(),
fvalue = jQuery(this).find('span.bureaucracy_depends_fvalue');
fvalue = (fvalue.length ? fvalue.html() : true);
//get controller field and add info and change event to the input that controls depending fieldset
var fieldsetinfo = {
fset: jQuery(this).parent(),
tval: fvalue
};
jQuery("label")
.has(":first-child:contains('" + fname + "')").first()
.find("select,input:last") //yesno field contains first a hidden input
.each(function () {
if (!jQuery(this).data('dparray')) {
jQuery(this).data('dparray', [fieldsetinfo]);
} else {
jQuery(this).data('dparray').push(fieldsetinfo);
}
})
.bind('change keyup', function () {
updateFieldset(this);
})
.change();
})
.hide(); //hide p.bureaucracy_depends in fieldset
});
});
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