Files
openmct/platform/features/plot/src/modes/PlotOverlayMode.js
2015-08-13 12:12:15 -07:00

91 lines
3.6 KiB
JavaScript

/*****************************************************************************
* 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
* at runtime from the About dialog for additional information.
*****************************************************************************/
/*global define*/
define(
["../SubPlot", "../elements/PlotPalette", "../elements/PlotPanZoomStack"],
function (SubPlot, PlotPalette, PlotPanZoomStack) {
"use strict";
/**
* Handles plotting in Overlaid mode. In overlaid mode, there
* is one sub-plot which contains all plotted objects.
* @memberof platform/features/plot
* @constructor
* @implements {platform/features/plot.PlotModeHandler}
* @param {DomainObject[]} the domain objects to be plotted
*/
function PlotOverlayMode(telemetryObjects, subPlotFactory) {
this.panZoomStack = new PlotPanZoomStack([], []);
this.subplot = subPlotFactory.createSubPlot(
telemetryObjects,
this.panZoomStack
);
this.subplots = [ this.subplot ];
}
PlotOverlayMode.prototype.plotTelemetry = function (updater) {
// Fit to the boundaries of the data, but don't
// override any user-initiated pan-zoom changes.
this.panZoomStack.setBasePanZoom(
updater.getOrigin(),
updater.getDimensions()
);
// Track the domain offset, used to bias domain values
// to minimize loss of precision when converted to 32-bit
// floating point values for display.
this.subplot.setDomainOffset(updater.getDomainOffset());
// Draw the buffers. Select color by index.
this.subplot.getDrawingObject().lines =
updater.getLineBuffers().map(function (buf, i) {
return {
buffer: buf.getBuffer(),
color: PlotPalette.getFloatColor(i),
points: buf.getLength()
};
});
};
PlotOverlayMode.prototype.getSubPlots = function () {
return this.subplots;
};
PlotOverlayMode.prototype.isZoomed = function () {
return this.panZoomStack.getDepth() > 1;
};
PlotOverlayMode.prototype.stepBackPanZoom = function () {
this.panZoomStack.popPanZoom();
this.subplot.update();
};
PlotOverlayMode.prototype.unzoom = function () {
this.panZoomStack.clearPanZoom();
this.subplot.update();
};
return PlotOverlayMode;
}
);