Files
openmct/platform/features/timeline/src/controllers/TimelineController.js

144 lines
5.7 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2009-2016, 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(
[
'./swimlane/TimelineSwimlanePopulator',
'./graph/TimelineGraphPopulator',
'./drag/TimelineDragPopulator'
],
function (
TimelineSwimlanePopulator,
TimelineGraphPopulator,
TimelineDragPopulator
) {
/**
* Controller for the Timeline view.
* @constructor
*/
function TimelineController($scope, $q, objectLoader, MINIMUM_DURATION) {
var swimlanePopulator = new TimelineSwimlanePopulator(
objectLoader,
$scope.configuration || {},
$scope.selection
),
graphPopulator = new TimelineGraphPopulator($q),
dragPopulator = new TimelineDragPopulator(objectLoader);
// Hash together all modification times. A sum is sufficient here,
// since modified timestamps should be non-decreasing.
function modificationSum() {
var sum = 0;
swimlanePopulator.get().forEach(function (swimlane) {
sum += swimlane.domainObject.getModel().modified || 0;
});
return sum;
}
// Reduce graph states to a watch-able number. A bitmask is
// sufficient here, since only ~30 graphed elements make sense
// (due to limits on recognizably unique line colors)
function graphMask() {
var mask = 0, bit = 1;
swimlanePopulator.get().forEach(function (swimlane) {
mask += swimlane.graph() ? 0 : bit;
bit *= 2;
});
return mask;
}
// Repopulate based on detected modification to in-view objects
function repopulateSwimlanes() {
swimlanePopulator.populate($scope.domainObject);
dragPopulator.populate($scope.domainObject);
graphPopulator.populate(swimlanePopulator.get());
}
// Repopulate graphs based on modification to swimlane graph state
function repopulateGraphs() {
graphPopulator.populate(swimlanePopulator.get());
}
// Refresh resource graphs
function refresh() {
if (graphPopulator) {
graphPopulator.get().forEach(function (graph) {
graph.refresh();
});
}
}
$scope.$watch("configuration", swimlanePopulator.configure);
// Recalculate swimlane state on changes
$scope.$watch("domainObject", swimlanePopulator.populate);
// Also recalculate whenever anything in view is modified
$scope.$watch(modificationSum, repopulateSwimlanes);
// Carry over changes in swimlane set to changes in graphs
$scope.$watch(graphMask, repopulateGraphs);
// Pass selection object into swimlane populator
$scope.$watch("selection", swimlanePopulator.selection);
// Convey current selection to drag handle populator
$scope.$watch("selection.get()", dragPopulator.select);
// Provide initial scroll bar state, container for pane positions
$scope.scroll = { x: 0, y: 0 };
$scope.panes = {};
// Expose active set of swimlanes
return {
/**
* Get the end of the displayed timeline, in milliseconds.
* @returns {number} the end of the displayed timeline
*/
end: swimlanePopulator.end.bind(swimlanePopulator),
/**
* Get the swimlanes which should currently be displayed.
* @returns {TimelineSwimlane[]} the swimlanes
*/
swimlanes: swimlanePopulator.get,
/**
* Get the resource graphs which should currently be displayed.
* @returns {TimelineGraph[]} the graphs
*/
graphs: graphPopulator.get,
/**
* Get drag handles for the current selection.
* @returns {TimelineDragHandle[]} the drag handles
*/
handles: dragPopulator.get,
/**
* Refresh resource graphs (during drag.)
*/
refresh: refresh
};
}
return TimelineController;
}
);