[CLOCK] Issue #1273 : Allow clock to set timezone with autocomplete dropdown option.

platform/forms/src/controllers/AutocompleteController.js

@@ -0,0 +1,128 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2017, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+define(
+    [],
+    function () {
+
+        /**
+         * Controller for the `autocomplete` form control.
+         *
+         * @memberof platform/forms
+         * @constructor
+         */
+        function AutocompleteController($scope) {
+
+            var key = {
+                down: 40,
+                up: 38,
+                enter: 13
+            }
+
+            if($scope.options[0].name) {
+                // If "options" include name, value pair
+                $scope.optionNames = $scope.options.map(function(opt) {
+                    return opt.name;
+                })
+            } else {
+                // If options is only an array of string.
+                $scope.optionNames = $scope.options;
+            }
+
+            function decrementOptionIndex() {
+                if($scope.optionIndex === 0) {
+                    $scope.optionIndex = $scope.filteredOptions.length;
+                }
+                $scope.optionIndex--;
+            }
+
+            function incrementOptionIndex() {
+                if($scope.optionIndex === $scope.filteredOptions.length-1) {
+                    $scope.optionIndex = -1;
+                }
+                $scope.optionIndex++;
+            }
+
+            function fillInputWithString(string) {
+                $scope.hideOptions = true;
+                // Hard coded!!
+                $scope.ngModel[4] = string;
+            }
+
+            function fillInputWithIndexedOption() {
+                $scope.ngModel[4] = $scope.filteredOptions[$scope.optionIndex].name;
+            }
+
+            $scope.keyDown = function($event) {
+                if($scope.filteredOptions) {
+                    var keyCode = $event.keyCode;
+                    switch(keyCode) {
+                        case key.down:
+                            incrementOptionIndex();
+                            fillInputWithIndexedOption();
+                            break;
+                        case key.up:
+                            $event.preventDefault();    // Prevents cursor jumping back and forth
+                            decrementOptionIndex();
+                            fillInputWithIndexedOption();
+                            break;
+                        case key.enter:
+                            if($scope.filteredOptions[$scope.optionIndex]) {
+                                fillInputWithString($scope.filteredOptions[$scope.optionIndex].name);
+                            }
+                    }
+                }
+            }
+
+            $scope.filterOptions = function(string) {
+                $scope.hideOptions = false;
+                $scope.filteredOptions = $scope.optionNames.filter(function(option) {
+                    return option.toLowerCase().indexOf(string.toLowerCase()) >= 0;
+                }).map(function(option, index) {
+                    return {
+                        optionId: index,
+                        name: option
+                    }
+                });
+            }
+
+            $scope.inputClicked = function($event) {
+                var target = $event.target;
+                target.select();
+                $scope.hideOptions = false;
+                $scope.filterOptions(target.value);
+                $scope.optionIndex = 0;
+            }
+            
+            $scope.fillInput = function(string) {
+                fillInputWithString(string);
+            }
+
+            $scope.optionMouseover = function(optionId) {
+                $scope.optionIndex = optionId;
+            }
+        }
+
+        return AutocompleteController;
+
+    }
+);