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87 lines
2.9 KiB
87 lines
2.9 KiB
angular.module('bootstrap-tagsinput', [])
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.directive('bootstrapTagsinput', [function() {
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function getItemProperty(scope, property) {
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if (!property)
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return undefined;
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if (angular.isFunction(scope.$parent[property]))
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return scope.$parent[property];
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return function(item) {
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return item[property];
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};
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}
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return {
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restrict: 'EA',
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scope: {
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model: '=ngModel'
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},
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template: '<select multiple></select>',
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replace: false,
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link: function(scope, element, attrs) {
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$(function() {
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if (!angular.isArray(scope.model))
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scope.model = [];
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var select = $('select', element);
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var typeaheadSourceArray = attrs.typeaheadSource ? attrs.typeaheadSource.split('.') : null;
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var typeaheadSource = typeaheadSourceArray ?
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(typeaheadSourceArray.length > 1 ?
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scope.$parent[typeaheadSourceArray[0]][typeaheadSourceArray[1]]
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: scope.$parent[typeaheadSourceArray[0]])
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: null;
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select.tagsinput(scope.$parent[attrs.options || ''] || {
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typeahead : {
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source : angular.isFunction(typeaheadSource) ? typeaheadSource : null
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},
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itemValue: getItemProperty(scope, attrs.itemvalue),
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itemText : getItemProperty(scope, attrs.itemtext),
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confirmKeys : getItemProperty(scope, attrs.confirmkeys) ? JSON.parse(attrs.confirmkeys) : [13],
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tagClass : angular.isFunction(scope.$parent[attrs.tagclass]) ? scope.$parent[attrs.tagclass] : function(item) { return attrs.tagclass; }
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});
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for (var i = 0; i < scope.model.length; i++) {
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select.tagsinput('add', scope.model[i]);
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}
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select.on('itemAdded', function(event) {
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if (scope.model.indexOf(event.item) === -1)
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scope.model.push(event.item);
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});
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select.on('itemRemoved', function(event) {
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var idx = scope.model.indexOf(event.item);
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if (idx !== -1)
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scope.model.splice(idx, 1);
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});
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// create a shallow copy of model's current state, needed to determine
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// diff when model changes
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var prev = scope.model.slice();
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scope.$watch("model", function() {
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var added = scope.model.filter(function(i) {return prev.indexOf(i) === -1;}),
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removed = prev.filter(function(i) {return scope.model.indexOf(i) === -1;}),
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i;
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prev = scope.model.slice();
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// Remove tags no longer in binded model
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for (i = 0; i < removed.length; i++) {
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select.tagsinput('remove', removed[i]);
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}
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// Refresh remaining tags
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select.tagsinput('refresh');
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// Add new items in model as tags
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for (i = 0; i < added.length; i++) {
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select.tagsinput('add', added[i]);
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}
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}, true);
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});
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}
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};
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}]);
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