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96 lines
3.8 KiB
JavaScript
96 lines
3.8 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2009-2016, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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define(
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[],
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function () {
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/**
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* Controller for the graph area of a timeline view.
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* The set of graphs to show is provided by the timeline
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* controller and communicated into the template via "parameters"
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* in scope.
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* @constructor
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*/
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function TimelineGraphController($scope, resources) {
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var resourceMap = {},
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labelCache = {};
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// Add an element to the resource map
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function addToResourceMap(resource) {
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var key = resource.key;
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if (key && !resourceMap[key]) {
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resourceMap[key] = resource;
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}
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}
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// Update the display bounds for all graphs to match
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// scroll and/or width.
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function updateGraphs(parameters) {
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(parameters.graphs || []).forEach(function (graph) {
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graph.setBounds(parameters.origin, parameters.duration);
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});
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}
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// Add all resources to map for simpler lookup
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resources.forEach(addToResourceMap);
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// Update graphs as parameters change
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$scope.$watchCollection("parameters", updateGraphs);
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return {
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/**
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* Get a label object (suitable to pass into the
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* `timeline-resource-graph-labels` template) for
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* the specified graph.
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* @param {TimelineGraph} the graph to label
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* @returns {object} an object containing labels
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*/
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label: function (graph) {
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var key = graph.key,
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resource = resourceMap[key] || {},
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name = resource.name || "",
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units = resource.units,
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min = graph.minimum() || 0,
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max = graph.maximum() || 0,
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label = labelCache[key] || {};
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// Cache the label (this is passed into a template,
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// so avoid excessive digest cycles)
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labelCache[key] = label;
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// Include units in title
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label.title = name + (units ? (" (" + units + ")") : "");
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// Provide low, middle, high data values
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label.low = min.toFixed(3);
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label.middle = ((min + max) / 2).toFixed(3);
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label.high = max.toFixed(3);
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return label;
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}
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};
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}
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return TimelineGraphController;
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}
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);
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