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make directive re selectize when config change, and watch ng-model #3

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make directive re selectize when config change, and watch ng-model #3

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42 changes: 37 additions & 5 deletions angular-selectize.js
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Original file line number Diff line number Diff line change
@@ -1,15 +1,47 @@
(function() {
angular.module('angular-selectize', []);

angular.module('angular-selectize').directive('selectize', function($timeout) {
angular.module('angular-selectize').directive('selectize', function() {
'use strict';
return {
// Restrict it to be an attribute in this case
restrict: 'A',
// responsible for registering DOM listeners as well as updating the DOM
link: function(scope, element, attrs) {
$timeout(function() {
$(element).selectize(scope.$eval(attrs.selectize));
var selectize;
scope.$watch(attrs.selectize, function(config) {
init(config);
});

if (attrs.ngModel) {
scope.$watch(attrs.ngModel, function() {
var val = element.val();
if (selectize && val !== selectize.getValue()) {
if (!val.length) {
selectize.clear();
} else {
init(scope.$eval(attrs.selectize));
}
}
});
}

scope.$on('$destroy', function() {
cleanup();
});

function init (config) {
cleanup();
element.selectize(config);
selectize = element[0].selectize;
}

function cleanup() {
if (selectize) {
if (angular.isFunction(selectize.destroy)) {
selectize.destroy();
}
selectize = null;
}
}
}
};
});
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