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quay/static/js/directives/ui/dropdown-select-direct.js
2019-11-12 11:09:47 -05:00

118 lines
3.2 KiB
JavaScript

/**
* An element which displays a dropdown select box which is (optionally) editable. This box
* is displayed with an <input> and a menu on the right.
*/
angular.module('quay').directive('dropdownSelectDirect', function ($compile) {
var directiveDefinitionObject = {
priority: 0,
templateUrl: '/static/directives/dropdown-select-direct.html',
replace: true,
transclude: true,
restrict: 'C',
scope: {
'selectedItem': '=selectedItem',
'placeholder': '=placeholder',
'items': '=items',
'iconMap': '=iconMap',
'valueKey': '@valueKey',
'titleKey': '@titleKey',
'iconKey': '@iconKey',
'noneIcon': '@noneIcon',
'clearValue': '=clearValue'
},
controller: function($scope, $element, $rootScope) {
if (!$rootScope.__dropdownSelectCounter) {
$rootScope.__dropdownSelectCounter = 1;
}
$scope.placeholder = $scope.placeholder || '';
$scope.internalItem = null;
// Setup lookahead.
var input = $($element).find('.lookahead-input');
$scope.setItem = function(item) {
$scope.selectedItem = item;
};
$scope.$watch('clearValue', function(cv) {
if (cv) {
$scope.selectedItem = null;
$(input).val('');
}
});
$scope.$watch('selectedItem', function(item) {
if ($scope.selectedItem == $scope.internalItem) {
// The item has already been set due to an internal action.
return;
}
if ($scope.selectedItem != null) {
$(input).val(item[$scope.valueKey]);
} else {
$(input).val('');
}
});
$scope.$watch('items', function(items) {
$(input).off();
if (!items || !$scope.valueKey) {
return;
}
var formattedItems = [];
for (var i = 0; i < items.length; ++i) {
var currentItem = items[i];
var formattedItem = {
'value': currentItem[$scope.valueKey],
'item': currentItem
};
formattedItems.push(formattedItem);
}
var dropdownHound = new Bloodhound({
name: 'dropdown-items-' + $rootScope.__dropdownSelectCounter,
local: formattedItems,
datumTokenizer: function(d) {
return Bloodhound.tokenizers.whitespace(d.val || d.value || '');
},
queryTokenizer: Bloodhound.tokenizers.whitespace
});
dropdownHound.initialize();
$(input).typeahead({}, {
source: dropdownHound.ttAdapter(),
templates: {
'suggestion': function (datum) {
template = datum['template'] ? datum['template'](datum) : datum['value'];
return template;
}
}
});
$(input).on('input', function(e) {
$scope.$apply(function() {
$scope.internalItem = null;
$scope.selectedItem = null;
});
});
$(input).on('typeahead:selected', function(e, datum) {
$scope.$apply(function() {
$scope.internalItem = datum['item'];
$scope.selectedItem = datum['item'];
});
});
$rootScope.__dropdownSelectCounter++;
});
}
};
return directiveDefinitionObject;
});