openmct/platform/commonUI/general/src/controllers/TimeConductorController.js

/*****************************************************************************
 * Open MCT Web, Copyright (c) 2014-2015, United States Government
 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT Web 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 Web 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
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 *****************************************************************************/
/*global define,Promise*/

define(
    [],
    function () {
        "use strict";

        /**
         * A ToggleController is used to activate/deactivate things.
         * A common usage is for "twistie"
         *
         * @memberof platform/commonUI/general
         * @constructor
         */
        function TimeConductorController($scope) {
            var tickCount = 2;

            $scope.state = false;

            $scope.ticks = [0, 1];

            function updateTicks() {
                var i;
                $scope.ticks = [];
                for (i = 0; i < tickCount; i += 1) {
                    $scope.ticks.push(i / (tickCount - 1));
                }
            }

            function updateSpanWidth(w) {
                // Space about 100px apart
                tickCount = Math.max(Math.floor(w / 100), 2);
                updateTicks();
            }

            $scope.$watch("spanWidth", updateSpanWidth);
        }

        return TimeConductorController;
    }
);