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464 lines
18 KiB
JavaScript
464 lines
18 KiB
JavaScript
'use strict';
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/**
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* Add querySelectorAll() to jqLite.
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*
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* jqLite find() is limited to lookups by tag name.
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* TODO This will change with future versions of AngularJS, to be removed when this happens
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*
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* See jqLite.find - why not use querySelectorAll? https://github.com/angular/angular.js/issues/3586
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* See feat(jqLite): use querySelectorAll instead of getElementsByTagName in jqLite.find https://github.com/angular/angular.js/pull/3598
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*/
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if (angular.element.prototype.querySelectorAll === undefined) {
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angular.element.prototype.querySelectorAll = function(selector) {
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return angular.element(this[0].querySelectorAll(selector));
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};
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}
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angular.module('ui.select', [])
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.constant('uiSelectConfig', {
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theme: 'bootstrap',
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placeholder: '', // Empty by default, like HTML tag <select>
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refreshDelay: 1000 // In milliseconds
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})
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// See Rename minErr and make it accessible from outside https://github.com/angular/angular.js/issues/6913
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.service('uiSelectMinErr', function() {
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var minErr = angular.$$minErr('ui.select');
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return function() {
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var error = minErr.apply(this, arguments);
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var message = error.message.replace(new RegExp('\nhttp://errors.angularjs.org/.*'), '');
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return new Error(message);
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}
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})
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/**
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* Parses "repeat" attribute.
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*
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* Taken from AngularJS ngRepeat source code
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* See https://github.com/angular/angular.js/blob/v1.2.15/src/ng/directive/ngRepeat.js#L211
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*
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* Original discussion about parsing "repeat" attribute instead of fully relying on ng-repeat:
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* https://github.com/angular-ui/ui-select/commit/5dd63ad#commitcomment-5504697
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*/
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.service('RepeatParser', ['uiSelectMinErr', function(uiSelectMinErr) {
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var self = this;
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/**
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* Example:
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* expression = "address in addresses | filter: {street: $select.search} track by $index"
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* lhs = "address",
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* rhs = "addresses | filter: {street: $select.search}",
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* trackByExp = "$index",
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* valueIdentifier = "address",
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* keyIdentifier = undefined
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*/
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self.parse = function(expression) {
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var match = expression.match(/^\s*([\s\S]+?)\s+in\s+([\s\S]+?)(?:\s+track\s+by\s+([\s\S]+?))?\s*$/);
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if (!match) {
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throw uiSelectMinErr('iexp', "Expected expression in form of '_item_ in _collection_[ track by _id_]' but got '{0}'.",
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expression);
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}
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var lhs = match[1]; // Left-hand side
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var rhs = match[2]; // Right-hand side
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var trackByExp = match[3];
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match = lhs.match(/^(?:([\$\w]+)|\(([\$\w]+)\s*,\s*([\$\w]+)\))$/);
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if (!match) {
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throw uiSelectMinErr('iidexp', "'_item_' in '_item_ in _collection_' should be an identifier or '(_key_, _value_)' expression, but got '{0}'.",
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lhs);
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}
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// Unused for now
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var valueIdentifier = match[3] || match[1];
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var keyIdentifier = match[2];
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return {
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lhs: lhs,
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rhs: rhs,
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trackByExp: trackByExp
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};
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};
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self.getNgRepeatExpression = function(lhs, rhs, trackByExp) {
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var expression = lhs + ' in ' + rhs;
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if (trackByExp) {
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expression += ' track by ' + trackByExp;
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}
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return expression;
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};
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}])
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/**
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* Contains ui-select "intelligence".
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*
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* The goal is to limit dependency on the DOM whenever possible and
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* put as much logic in the controller (instead of the link functions) as possible so it can be easily tested.
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*/
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.controller('uiSelectCtrl',
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['$scope', '$element', '$timeout', 'RepeatParser', 'uiSelectMinErr',
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function($scope, $element, $timeout, RepeatParser, uiSelectMinErr) {
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var ctrl = this;
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var EMPTY_SEARCH = '';
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ctrl.placeholder = undefined;
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ctrl.search = EMPTY_SEARCH;
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ctrl.activeIndex = 0;
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ctrl.items = [];
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ctrl.selected = undefined;
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ctrl.open = false;
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ctrl.disabled = undefined; // Initialized inside uiSelect directive link function
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ctrl.resetSearchInput = undefined; // Initialized inside uiSelect directive link function
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ctrl.refreshDelay = undefined; // Initialized inside uiSelectChoices directive link function
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var _searchInput = $element.querySelectorAll('input.ui-select-search');
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if (_searchInput.length !== 1) {
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throw uiSelectMinErr('searchInput', "Expected 1 input.ui-select-search but got '{0}'.", _searchInput.length);
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}
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// Most of the time the user does not want to empty the search input when in typeahead mode
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function _resetSearchInput() {
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if (ctrl.resetSearchInput) {
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ctrl.search = EMPTY_SEARCH;
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}
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}
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// When the user clicks on ui-select, displays the dropdown list
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ctrl.activate = function() {
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if (!ctrl.disabled) {
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_resetSearchInput();
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ctrl.open = true;
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// Give it time to appear before focus
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$timeout(function() {
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_searchInput[0].focus();
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});
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}
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};
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ctrl.parseRepeatAttr = function(repeatAttr) {
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var repeat = RepeatParser.parse(repeatAttr);
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// See https://github.com/angular/angular.js/blob/v1.2.15/src/ng/directive/ngRepeat.js#L259
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$scope.$watchCollection(repeat.rhs, function(items) {
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if (items === undefined || items === null) {
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// If the user specifies undefined or null => reset the collection
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// Special case: items can be undefined if the user did not initialized the collection on the scope
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// i.e $scope.addresses = [] is missing
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ctrl.items = [];
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} else {
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if (!angular.isArray(items)) {
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throw uiSelectMinErr('items', "Expected an array but got '{0}'.", items);
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} else {
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// Regular case
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ctrl.items = items;
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}
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}
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});
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};
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var _refreshDelayPromise = undefined;
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/**
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* Typeahead mode: lets the user refresh the collection using his own function.
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*
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* See Expose $select.search for external / remote filtering https://github.com/angular-ui/ui-select/pull/31
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*/
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ctrl.refresh = function(refreshAttr) {
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if (refreshAttr !== undefined) {
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// Debounce
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// See https://github.com/angular-ui/bootstrap/blob/0.10.0/src/typeahead/typeahead.js#L155
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// FYI AngularStrap typeahead does not have debouncing: https://github.com/mgcrea/angular-strap/blob/v2.0.0-rc.4/src/typeahead/typeahead.js#L177
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if (_refreshDelayPromise) {
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$timeout.cancel(_refreshDelayPromise);
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}
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_refreshDelayPromise = $timeout(function() {
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$scope.$eval(refreshAttr);
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}, ctrl.refreshDelay);
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}
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};
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// When the user clicks on an item inside the dropdown
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ctrl.select = function(item) {
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ctrl.selected = item;
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ctrl.close();
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// Using a watch instead of $scope.ngModel.$setViewValue(item)
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};
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// Closes the dropdown
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ctrl.close = function() {
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if (ctrl.open) {
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_resetSearchInput();
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ctrl.open = false;
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}
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};
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var Key = {
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Enter: 13,
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Tab: 9,
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Up: 38,
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Down: 40,
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Escape: 27
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};
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function _onKeydown(key) {
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var processed = true;
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switch (key) {
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case Key.Down:
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if (ctrl.activeIndex < ctrl.items.length - 1) { ctrl.activeIndex++; }
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break;
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case Key.Up:
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if (ctrl.activeIndex > 0) { ctrl.activeIndex--; }
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break;
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case Key.Tab:
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case Key.Enter:
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ctrl.select(ctrl.items[ctrl.activeIndex]);
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break;
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case Key.Escape:
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ctrl.close();
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break;
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default:
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processed = false;
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}
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return processed;
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}
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// Bind to keyboard shortcuts
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_searchInput.on('keydown', function(e) {
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// Keyboard shortcuts are all about the items,
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// does not make sense (and will crash) if ctrl.items is empty
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if (ctrl.items.length > 0) {
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var key = e.which;
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$scope.$apply(function() {
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var processed = _onKeydown(key);
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if (processed) {
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e.preventDefault();
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e.stopPropagation();
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}
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});
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switch (key) {
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case Key.Down:
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case Key.Up:
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_ensureHighlightVisible();
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break;
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}
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}
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});
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// See https://github.com/ivaynberg/select2/blob/3.4.6/select2.js#L1431
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function _ensureHighlightVisible() {
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var container = $element.querySelectorAll('.ui-select-choices-content');
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var rows = container.querySelectorAll('.ui-select-choices-row');
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if (rows.length < 1) {
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throw uiSelectMinErr('rows', "Expected multiple .ui-select-choices-row but got '{0}'.", rows.length);
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}
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var highlighted = rows[ctrl.activeIndex];
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var posY = highlighted.offsetTop + highlighted.clientHeight - container[0].scrollTop;
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var height = container[0].offsetHeight;
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if (posY > height) {
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container[0].scrollTop += posY - height;
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} else if (posY < highlighted.clientHeight) {
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container[0].scrollTop -= highlighted.clientHeight - posY;
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}
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}
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$scope.$on('$destroy', function() {
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_searchInput.off('keydown');
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});
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}])
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.directive('uiSelect',
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['$document', 'uiSelectConfig', 'uiSelectMinErr',
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function($document, uiSelectConfig, uiSelectMinErr) {
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return {
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restrict: 'EA',
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templateUrl: function(tElement, tAttrs) {
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var theme = tAttrs.theme || uiSelectConfig.theme;
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return theme + '/select.tpl.html';
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},
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replace: true,
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transclude: true,
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require: ['uiSelect', 'ngModel'],
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scope: true,
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controller: 'uiSelectCtrl',
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controllerAs: '$select',
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link: function(scope, element, attrs, ctrls, transcludeFn) {
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var $select = ctrls[0];
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var ngModel = ctrls[1];
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attrs.$observe('disabled', function() {
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// No need to use $eval() (thanks to ng-disabled) since we already get a boolean instead of a string
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$select.disabled = attrs.disabled !== undefined ? attrs.disabled : false;
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});
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attrs.$observe('resetSearchInput', function() {
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// $eval() is needed otherwise we get a string instead of a boolean
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var resetSearchInput = scope.$eval(attrs.resetSearchInput);
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$select.resetSearchInput = resetSearchInput !== undefined ? resetSearchInput : true;
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});
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scope.$watch('$select.selected', function(newValue, oldValue) {
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if (ngModel.$viewValue !== newValue) {
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ngModel.$setViewValue(newValue);
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}
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});
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ngModel.$render = function() {
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$select.selected = ngModel.$viewValue;
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};
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function onDocumentClick(e) {
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var contains = false;
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if (window.jQuery) {
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// Firefox 3.6 does not support element.contains()
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// See Node.contains https://developer.mozilla.org/en-US/docs/Web/API/Node.contains
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contains = window.jQuery.contains(element[0], e.target);
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} else {
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contains = element[0].contains(e.target);
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}
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if (!contains) {
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$select.close();
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scope.$digest();
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}
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}
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// See Click everywhere but here event http://stackoverflow.com/questions/12931369
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$document.on('click', onDocumentClick);
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scope.$on('$destroy', function() {
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$document.off('click', onDocumentClick);
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});
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// Move transcluded elements to their correct position in main template
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transcludeFn(scope, function(clone) {
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// See Transclude in AngularJS http://blog.omkarpatil.com/2012/11/transclude-in-angularjs.html
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// One day jqLite will be replaced by jQuery and we will be able to write:
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// var transcludedElement = clone.filter('.my-class')
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// instead of creating a hackish DOM element:
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var transcluded = angular.element('<div>').append(clone);
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var transcludedMatch = transcluded.querySelectorAll('.ui-select-match');
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if (transcludedMatch.length !== 1) {
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throw uiSelectMinErr('transcluded', "Expected 1 .ui-select-match but got '{0}'.", transcludedMatch.length);
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}
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element.querySelectorAll('.ui-select-match').replaceWith(transcludedMatch);
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var transcludedChoices = transcluded.querySelectorAll('.ui-select-choices');
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if (transcludedChoices.length !== 1) {
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throw uiSelectMinErr('transcluded', "Expected 1 .ui-select-choices but got '{0}'.", transcludedChoices.length);
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}
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element.querySelectorAll('.ui-select-choices').replaceWith(transcludedChoices);
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});
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}
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};
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}])
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.directive('uiSelectChoices',
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['uiSelectConfig', 'RepeatParser', 'uiSelectMinErr',
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function(uiSelectConfig, RepeatParser, uiSelectMinErr) {
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return {
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restrict: 'EA',
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require: '^uiSelect',
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replace: true,
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transclude: true,
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templateUrl: function(tElement) {
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// Gets theme attribute from parent (ui-select)
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var theme = tElement.parent().attr('theme') || uiSelectConfig.theme;
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return theme + '/choices.tpl.html';
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},
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compile: function(tElement, tAttrs) {
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var repeat = RepeatParser.parse(tAttrs.repeat);
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var rows = tElement.querySelectorAll('.ui-select-choices-row');
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if (rows.length !== 1) {
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throw uiSelectMinErr('rows', "Expected 1 .ui-select-choices-row but got '{0}'.", rows.length);
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}
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rows.attr('ng-repeat', RepeatParser.getNgRepeatExpression(repeat.lhs, '$select.items', repeat.trackByExp))
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.attr('ng-mouseenter', '$select.activeIndex = $index')
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.attr('ng-click', '$select.select(' + repeat.lhs + ')');
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return function link(scope, element, attrs, $select) {
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$select.parseRepeatAttr(attrs.repeat);
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scope.$watch('$select.search', function() {
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$select.activeIndex = 0;
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$select.refresh(attrs.refresh);
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});
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attrs.$observe('refreshDelay', function() {
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// $eval() is needed otherwise we get a string instead of a number
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var refreshDelay = scope.$eval(attrs.refreshDelay);
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$select.refreshDelay = refreshDelay !== undefined ? refreshDelay : uiSelectConfig.refreshDelay;
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});
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};
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}
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};
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}])
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.directive('uiSelectMatch', ['uiSelectConfig', function(uiSelectConfig) {
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return {
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restrict: 'EA',
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require: '^uiSelect',
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replace: true,
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transclude: true,
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templateUrl: function(tElement) {
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// Gets theme attribute from parent (ui-select)
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var theme = tElement.parent().attr('theme') || uiSelectConfig.theme;
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return theme + '/match.tpl.html';
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},
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link: function(scope, element, attrs, $select) {
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attrs.$observe('placeholder', function(placeholder) {
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$select.placeholder = placeholder !== undefined ? placeholder : uiSelectConfig.placeholder;
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});
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}
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};
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}])
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/**
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* Highlights text that matches $select.search.
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*
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* Taken from AngularUI Bootstrap Typeahead
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* See https://github.com/angular-ui/bootstrap/blob/0.10.0/src/typeahead/typeahead.js#L340
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*/
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.filter('highlight', function() {
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function escapeRegexp(queryToEscape) {
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return queryToEscape.replace(/([.?*+^$[\]\\(){}|-])/g, '\\$1');
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}
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return function(matchItem, query) {
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return query ? matchItem.replace(new RegExp(escapeRegexp(query), 'gi'), '<span class="ui-select-highlight">$&</span>') : matchItem;
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};
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});
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angular.module('ui.select').run(['$templateCache', function ($templateCache) {
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$templateCache.put('bootstrap/choices.tpl.html', '<ul class="ui-select-choices ui-select-choices-content dropdown-menu" role="menu" aria-labelledby="dLabel" ng-show="$select.items.length> 0"> <li class="ui-select-choices-row" ng-class="{active: $select.activeIndex===$index}"> <a href="javascript:void(0)" ng-transclude></a> </li> </ul> ');
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$templateCache.put('bootstrap/match.tpl.html', '<button type="button" class="btn btn-default form-control ui-select-match" ng-hide="$select.open" ng-disabled="$select.disabled" ng-click="$select.activate()"> <span ng-hide="$select.selected !==undefined" class="text-muted">{{$select.placeholder}}</span> <span ng-show="$select.selected !==undefined" ng-transclude></span> <span class="caret"></span> </button> ');
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$templateCache.put('bootstrap/select.tpl.html', '<div class="ui-select-bootstrap dropdown" ng-class="{open: $select.open}"> <div class="ui-select-match"></div> <input type="text" autocomplete="off" tabindex="" class="form-control ui-select-search" placeholder="{{$select.placeholder}}" ng-model="$select.search" ng-show="$select.open"> <div class="ui-select-choices"></div> </div> ');
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$templateCache.put('select2/choices.tpl.html', '<ul class="ui-select-choices ui-select-choices-content select2-results"> <li class="ui-select-choices-row" ng-class="{\'select2-highlighted\': $select.activeIndex===$index}"> <div class="select2-result-label" ng-transclude></div> </li> </ul> ');
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$templateCache.put('select2/match.tpl.html', '<a class="select2-choice ui-select-match" ng-class="{\'select2-default\': $select.selected===undefined}" ng-click="$select.activate()"> <span ng-hide="$select.selected !==undefined" class="select2-chosen">{{$select.placeholder}}</span> <span ng-show="$select.selected !==undefined" class="select2-chosen" ng-transclude></span> <span class="select2-arrow"><b></b></span> </a> ');
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$templateCache.put('select2/select.tpl.html', '<div class="select2 select2-container" ng-class="{\'select2-container-active select2-dropdown-open\': $select.open, \'select2-container-disabled\': $select.disabled}"> <div class="ui-select-match"></div> <div class="select2-drop select2-with-searchbox select2-drop-active" ng-class="{\'select2-display-none\': !$select.open}"> <div class="select2-search"> <input type="text" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" class="ui-select-search select2-input" ng-model="$select.search"> </div> <div class="ui-select-choices"></div> </div> </div> ');
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$templateCache.put('selectize/choices.tpl.html', '<div ng-show="$select.open" class="ui-select-choices selectize-dropdown single"> <div class="ui-select-choices-content selectize-dropdown-content"> <div class="ui-select-choices-row" ng-class="{\'active\': $select.activeIndex===$index}"> <div class="option" data-selectable ng-transclude></div> </div> </div> </div> ');
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$templateCache.put('selectize/match.tpl.html', '<div ng-hide="$select.open || $select.selected===undefined" class="ui-select-match" ng-transclude></div> ');
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$templateCache.put('selectize/select.tpl.html', '<div class="selectize-control single"> <div class="selectize-input" ng-class="{\'focus\': $select.open, \'disabled\': $select.disabled}" ng-click="$select.activate()"> <div class="ui-select-match"></div> <input type="text" autocomplete="off" tabindex="" class="ui-select-search" placeholder="{{$select.placeholder}}" ng-model="$select.search" ng-hide="$select.selected && !$select.open" ng-disabled="$select.disabled"> </div> <div class="ui-select-choices"></div> </div> ');
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}]); |