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