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294 lines
14 KiB
294 lines
14 KiB
'use strict';
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var directiveModule = angular.module('angularjs-dropdown-multiselect', []);
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directiveModule.directive('ngDropdownMultiselect', ['$filter', '$document', '$compile', '$parse',
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function ($filter, $document, $compile, $parse) {
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return {
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restrict: 'AE',
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scope: {
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selectedModel: '=',
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options: '=',
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extraSettings: '=',
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events: '=',
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searchFilter: '=?',
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translationTexts: '=',
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groupBy: '@'
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},
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template: function (element, attrs) {
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var checkboxes = attrs.checkboxes ? true : false;
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var groups = attrs.groupBy ? true : false;
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var template = '<div class="multiselect-parent btn-group dropdown-multiselect">';
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template += '<button type="button" class="dropdown-toggle" ng-class="settings.buttonClasses" ng-click="toggleDropdown()">{{getButtonText()}} <span class="caret"></span></button>';
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template += '<ul class="dropdown-menu dropdown-menu-form" ng-style="{display: open ? \'block\' : \'none\', height : settings.scrollable ? settings.scrollableHeight : \'auto\' }" style="overflow: scroll" >';
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template += '<li ng-hide="!settings.showCheckAll || settings.selectionLimit > 0"><a data-ng-click="selectAll()"><span class="glyphicon glyphicon-ok"></span> {{texts.checkAll}}</a>';
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template += '<li ng-show="settings.showUncheckAll"><a data-ng-click="deselectAll();"><span class="glyphicon glyphicon-remove"></span> {{texts.uncheckAll}}</a></li>';
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template += '<li ng-hide="(!settings.showCheckAll || settings.selectionLimit > 0) && !settings.showUncheckAll" class="divider"></li>';
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template += '<li ng-show="settings.enableSearch"><div class="dropdown-header"><input type="text" class="form-control" style="width: 100%;" ng-model="searchFilter" placeholder="{{texts.searchPlaceholder}}" /></li>';
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template += '<li ng-show="settings.enableSearch" class="divider"></li>';
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if (groups) {
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template += '<li ng-repeat-start="option in orderedItems | filter: searchFilter" ng-show="getPropertyForObject(option, settings.groupBy) !== getPropertyForObject(orderedItems[$index - 1], settings.groupBy)" role="presentation" class="dropdown-header">{{ getGroupTitle(getPropertyForObject(option, settings.groupBy)) }}</li>';
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template += '<li ng-repeat-end role="presentation">';
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} else {
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template += '<li role="presentation" ng-repeat="option in options | filter: searchFilter">';
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}
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template += '<a role="menuitem" tabindex="-1" ng-click="setSelectedItem(getPropertyForObject(option,settings.idProp))">';
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if (checkboxes) {
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template += '<div class="checkbox"><label><input class="checkboxInput" type="checkbox" ng-click="checkboxClick($event, getPropertyForObject(option,settings.idProp))" ng-checked="isChecked(getPropertyForObject(option,settings.idProp))" /> {{getPropertyForObject(option, settings.displayProp)}}</label></div></a>';
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} else {
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template += '<span data-ng-class="{\'glyphicon glyphicon-ok\': isChecked(getPropertyForObject(option,settings.idProp))}"></span> {{getPropertyForObject(option, settings.displayProp)}}</a>';
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}
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template += '</li>';
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template += '<li class="divider" ng-show="settings.selectionLimit > 1"></li>';
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template += '<li role="presentation" ng-show="settings.selectionLimit > 1"><a role="menuitem">{{selectedModel.length}} {{texts.selectionOf}} {{settings.selectionLimit}} {{texts.selectionCount}}</a></li>';
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template += '</ul>';
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template += '</div>';
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element.html(template);
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},
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link: function ($scope, $element, $attrs) {
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var $dropdownTrigger = $element.children()[0];
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$scope.toggleDropdown = function () {
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$scope.open = !$scope.open;
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};
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$scope.checkboxClick = function ($event, id) {
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$scope.setSelectedItem(id);
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$event.stopImmediatePropagation();
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};
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$scope.externalEvents = {
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onItemSelect: angular.noop,
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onItemDeselect: angular.noop,
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onSelectAll: angular.noop,
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onDeselectAll: angular.noop,
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onInitDone: angular.noop,
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onMaxSelectionReached: angular.noop
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};
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$scope.settings = {
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dynamicTitle: true,
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scrollable: false,
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scrollableHeight: '300px',
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closeOnBlur: true,
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displayProp: 'label',
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idProp: 'id',
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externalIdProp: 'id',
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enableSearch: false,
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selectionLimit: 0,
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showCheckAll: true,
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showUncheckAll: true,
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closeOnSelect: false,
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buttonClasses: 'btn btn-default',
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closeOnDeselect: false,
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groupBy: $attrs.groupBy || undefined,
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groupByTextProvider: null,
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smartButtonMaxItems: 0,
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smartButtonTextConverter: angular.noop
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};
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$scope.texts = {
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checkAll: 'Check All',
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uncheckAll: 'Uncheck All',
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selectionCount: 'checked',
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selectionOf: '/',
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searchPlaceholder: 'Search...',
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buttonDefaultText: 'Select',
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dynamicButtonTextSuffix: 'checked'
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};
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$scope.searchFilter = $scope.searchFilter || '';
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if (angular.isDefined($scope.settings.groupBy)) {
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$scope.$watch('options', function (newValue) {
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if (angular.isDefined(newValue)) {
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$scope.orderedItems = $filter('orderBy')(newValue, $scope.settings.groupBy);
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}
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});
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}
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angular.extend($scope.settings, $scope.extraSettings || []);
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angular.extend($scope.externalEvents, $scope.events || []);
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angular.extend($scope.texts, $scope.translationTexts);
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$scope.singleSelection = $scope.settings.selectionLimit === 1;
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function getFindObj(id) {
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var findObj = {};
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if ($scope.settings.externalIdProp === '') {
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findObj[$scope.settings.idProp] = id;
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} else {
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findObj[$scope.settings.externalIdProp] = id;
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}
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return findObj;
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}
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function clearObject(object) {
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for (var prop in object) {
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delete object[prop];
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}
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}
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if ($scope.singleSelection) {
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if (angular.isArray($scope.selectedModel) && $scope.selectedModel.length === 0) {
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clearObject($scope.selectedModel);
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}
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}
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if ($scope.settings.closeOnBlur) {
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$document.on('click', function (e) {
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var target = e.target.parentElement;
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var parentFound = false;
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while (angular.isDefined(target) && target !== null && !parentFound) {
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if (_.includes(target.className.split(' '), 'multiselect-parent') && !parentFound) {
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if(target === $dropdownTrigger) {
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parentFound = true;
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}
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}
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target = target.parentElement;
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}
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if (!parentFound) {
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$scope.$apply(function () {
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$scope.open = false;
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});
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}
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});
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}
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$scope.getGroupTitle = function (groupValue) {
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if ($scope.settings.groupByTextProvider !== null) {
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return $scope.settings.groupByTextProvider(groupValue);
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}
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return groupValue;
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};
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$scope.getButtonText = function () {
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if ($scope.settings.dynamicTitle && ($scope.selectedModel.length > 0 || (angular.isObject($scope.selectedModel) && _.keys($scope.selectedModel).length > 0))) {
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if ($scope.settings.smartButtonMaxItems > 0) {
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var itemsText = [];
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angular.forEach($scope.options, function (optionItem) {
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if ($scope.isChecked($scope.getPropertyForObject(optionItem, $scope.settings.idProp))) {
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var displayText = $scope.getPropertyForObject(optionItem, $scope.settings.displayProp);
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var converterResponse = $scope.settings.smartButtonTextConverter(displayText, optionItem);
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itemsText.push(converterResponse ? converterResponse : displayText);
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}
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});
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if ($scope.selectedModel.length > $scope.settings.smartButtonMaxItems) {
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itemsText = itemsText.slice(0, $scope.settings.smartButtonMaxItems);
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itemsText.push('...');
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}
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return itemsText.join(', ');
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} else {
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var totalSelected;
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if ($scope.singleSelection) {
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totalSelected = ($scope.selectedModel !== null && angular.isDefined($scope.selectedModel[$scope.settings.idProp])) ? 1 : 0;
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} else {
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totalSelected = angular.isDefined($scope.selectedModel) ? $scope.selectedModel.length : 0;
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}
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if (totalSelected === 0) {
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return $scope.texts.buttonDefaultText;
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} else {
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return totalSelected + ' ' + $scope.texts.dynamicButtonTextSuffix;
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}
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}
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} else {
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return $scope.texts.buttonDefaultText;
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}
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};
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$scope.getPropertyForObject = function (object, property) {
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if (angular.isDefined(object) && object.hasOwnProperty(property)) {
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return object[property];
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}
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return '';
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};
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$scope.selectAll = function () {
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$scope.deselectAll(false);
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$scope.externalEvents.onSelectAll();
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angular.forEach($scope.options, function (value) {
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$scope.setSelectedItem(value[$scope.settings.idProp], true);
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});
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};
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$scope.deselectAll = function (sendEvent) {
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sendEvent = sendEvent || true;
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if (sendEvent) {
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$scope.externalEvents.onDeselectAll();
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}
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if ($scope.singleSelection) {
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clearObject($scope.selectedModel);
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} else {
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$scope.selectedModel.splice(0, $scope.selectedModel.length);
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}
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};
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$scope.setSelectedItem = function (id, dontRemove) {
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var findObj = getFindObj(id);
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var finalObj = null;
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if ($scope.settings.externalIdProp === '') {
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finalObj = _.find($scope.options, findObj);
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} else {
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finalObj = findObj;
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}
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if ($scope.singleSelection) {
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clearObject($scope.selectedModel);
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angular.extend($scope.selectedModel, finalObj);
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$scope.externalEvents.onItemSelect(finalObj);
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if ($scope.settings.closeOnSelect) $scope.open = false;
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return;
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}
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dontRemove = dontRemove || false;
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var exists = _.findIndex($scope.selectedModel, findObj) !== -1;
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if (!dontRemove && exists) {
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$scope.selectedModel.splice(_.findIndex($scope.selectedModel, findObj), 1);
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$scope.externalEvents.onItemDeselect(findObj);
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} else if (!exists && ($scope.settings.selectionLimit === 0 || $scope.selectedModel.length < $scope.settings.selectionLimit)) {
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$scope.selectedModel.push(finalObj);
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$scope.externalEvents.onItemSelect(finalObj);
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}
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if ($scope.settings.closeOnSelect) $scope.open = false;
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};
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$scope.isChecked = function (id) {
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if ($scope.singleSelection) {
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return $scope.selectedModel !== null && angular.isDefined($scope.selectedModel[$scope.settings.idProp]) && $scope.selectedModel[$scope.settings.idProp] === getFindObj(id)[$scope.settings.idProp];
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}
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return _.findIndex($scope.selectedModel, getFindObj(id)) !== -1;
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};
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$scope.externalEvents.onInitDone();
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}
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};
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}]);
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