%PDF-
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Mini Shell
Mini Shell
/**
* Conditional Logic for metabox fields
*
* @author ThimPress
* @package LearnPress/JS
* @version 3.0.0
*/
;(function ($) {
window.conditional_logic_gray_state = function (state, field) {
if (state) {
$(this).removeClass('disabled')
} else {
$(this).addClass('disabled')
}
};
var Conditional_Logic = window.Conditional_Logic = function (options) {
this.options = $.extend({}, options || {});
this.updateAll();
};
Conditional_Logic.prototype = $.extend(Conditional_Logic.prototype, {
evaluate: function (changedId, conditionals) {
if (!conditionals) {
return undefined;
}
if (!conditionals || !$.isArray(conditionals.conditional)) {
return undefined;
}
var show = undefined,
controls = conditionals.conditional;
for (var i in controls) {
var _show = this.evaluateRequirement(controls[i]),
operator = (controls[i].combine || 'and').toLowerCase();
if (_show !== undefined && show !== undefined) {
if (operator === 'and') {
show = show && _show;
} else {
show = show || _show;
}
} else if (show === undefined) {
show = _show;
}
}
return show;
},
evaluateRequirement: function (requirement) {
if (!requirement) {
return undefined;
}
if (!requirement['field']) {
return undefined;
}
if (requirement['compare'] === undefined) {
requirement['compare'] = '=';
}
var control = $('#field-' + requirement.field);
switch (requirement['state']) {
case 'show':
return control.is(':visible');
break;
case 'hide':
return !control.is(':visible');
break;
default:
var value = '';
switch (this.getFieldType(control)) {
case 'yes-no':
var $chk = control.find('input[type="checkbox"]');
value = $chk.is(':checked') ? $chk.val() : '';
break;
case 'radio':
value = control.find('input:checked').val();
break;
default:
value = control.find('input, select').val();
}
return this.compare(requirement['value'], value, requirement['compare']);
}
},
compare: function (value2, value1, operator) {
var show = undefined;
switch (operator) {
case '===':
show = (value1 === value2);
break;
case '==':
case '=':
case 'equals':
case 'equal':
show = (value1 === value2);
break;
case '!==':
show = (value1 !== value2);
break;
case '!=':
case 'not equal':
show = (value1 !== value2);
break;
case '>=':
case 'greater or equal':
case 'equal or greater':
show = (value1 >= value2);
break;
case '<=':
case 'smaller or equal':
case 'equal or smaller':
show = (value1 <= value2);
break;
case '>':
case 'greater':
show = (value1 > value2);
break;
case '<':
case 'smaller':
show = (value1 < value2);
break;
case 'contains':
case 'in':
var _array, _string;
if ($.isArray(value1) && !$.isArray(value2)) {
_array = value1;
_string = value2;
} else if ($.isArray(value2) && !$.isArray(value1)) {
_array = value2;
_string = value1;
}
if (_array && _string) {
if (-1 === $.inArray(_string, _array)) {
show = false;
}
} else {
if (-1 === value1.indexOf(value2) && -1 === value2.indexOf(value1)) {
show = false;
}
}
break;
default:
show = (value1 === value2);
}
if (show !== undefined) {
return show;
}
return true;
},
hasConditional: function (source, target) {
if (!this.options.conditionals) {
return;
}
if (!this.options.conditionals[target]) {
return false;
}
for (var i in this.options.conditionals[target]['conditional']) {
if (this.options.conditionals[target]['conditional'][i].field === source) {
return this.options.conditionals[target];
}
}
return false;
},
update: function (changedField, $fields) {
var $changedField = $(changedField),
id = this.getFieldName($changedField);
$fields = $fields || $('.rwmb-field');
_.forEach($fields, function (field) {
var thisField = $(field),
thisId = this.getFieldName(thisField);
if (thisId === id) {
return;
}
var conditional = this.hasConditional(id, thisId);
if (!conditional) {
return;
}
var show = this.evaluate($changedField, conditional);
if (show !== undefined) {
if (conditional.state === 'hide') {
show = !show;
}
if ($.isFunction(window[conditional.state_callback])) {
window[conditional.state_callback].call(thisField, show, thisField)
} else {
thisField.toggle(show);
}
}
}, this);
},
updateAll: function () {
var $fields = $('.rwmb-field'),
that = this;
_.forEach($fields, function (field) {
var $field = $(field),
type = this.getFieldType($field),
id = $field.find('.rwmb-field-name').val();
if (!id) {
return;
}
$field.attr('id', 'field-' + id);
if (-1 === _.indexOf(this.supportFields, type)) {
return;
}
$field.find('input, select, textarea').on('change', function () {
that.update($(this).closest('.rwmb-field'), $fields);
}).trigger('change');
}, this);
},
getFieldType: function (field) {
var $field = $(field);
if ($field.length === 0) {
return false;
}
var className = $field.get(0).className,
m = className.match(/rwmb-([^\s]*)-wrapper/);
if (m) {
return m[1];
}
return false;
},
getFieldName: function (field) {
return $(field).find('.rwmb-field-name').val();
},
supportFields: ['yes-no', 'text', 'number', 'radio']
});
$(document).ready(function () {
new Conditional_Logic({conditionals: lp_conditional_logic});
})
})(jQuery);
Zerion Mini Shell 1.0