prepopulate.js
42 lines
| 1.5 KiB
| application/javascript
|
JavascriptLexer
| r338 | /*global URLify*/ | |||
| (function($) { | ||||
| 'use strict'; | ||||
| $.fn.prepopulate = function(dependencies, maxLength, allowUnicode) { | ||||
| /* | ||||
| Depends on urlify.js | ||||
| Populates a selected field with the values of the dependent fields, | ||||
| URLifies and shortens the string. | ||||
| dependencies - array of dependent fields ids | ||||
| maxLength - maximum length of the URLify'd string | ||||
| allowUnicode - Unicode support of the URLify'd string | ||||
| */ | ||||
| return this.each(function() { | ||||
| var prepopulatedField = $(this); | ||||
| var populate = function() { | ||||
| // Bail if the field's value has been changed by the user | ||||
| if (prepopulatedField.data('_changed')) { | ||||
| return; | ||||
| } | ||||
| var values = []; | ||||
| $.each(dependencies, function(i, field) { | ||||
| field = $(field); | ||||
| if (field.val().length > 0) { | ||||
| values.push(field.val()); | ||||
| } | ||||
| }); | ||||
| prepopulatedField.val(URLify(values.join(' '), maxLength, allowUnicode)); | ||||
| }; | ||||
| prepopulatedField.data('_changed', false); | ||||
| prepopulatedField.on('change', function() { | ||||
| prepopulatedField.data('_changed', true); | ||||
| }); | ||||
| if (!prepopulatedField.val()) { | ||||
| $(dependencies.join(',')).on('keyup change focus', populate); | ||||
| } | ||||
| }); | ||||
| }; | ||||
| })(django.jQuery); | ||||
