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[Plot] Wire in updater

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Wire in updater for use in plots (to cache values at
the plot level, allowing removal of a global cache to
reduce memory consumption for WTD-751.)
This commit is contained in:
Victor Woeltjen
2015-01-29 09:48:53 -08:00
parent f3900cdd2a
commit b615a3c888
3 changed files with 224 additions and 36 deletions
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57
platform/features/plot/src/PlotController.js
View File

@ -5,13 +5,13 @@
*/
define(
[
"./elements/PlotPreparer",
"./elements/PlotUpdater",
"./elements/PlotPalette",
"./elements/PlotAxis",
"./modes/PlotModeOptions",
"./SubPlotFactory"
],
function (PlotPreparer, PlotPalette, PlotAxis, PlotModeOptions, SubPlotFactory) {
function (PlotUpdater, PlotPalette, PlotAxis, PlotModeOptions, SubPlotFactory) {
"use strict";
var AXIS_DEFAULTS = [
@ -34,6 +34,7 @@ define(
var subPlotFactory = new SubPlotFactory(telemetryFormatter),
modeOptions = new PlotModeOptions([], subPlotFactory),
subplots = [],
updater,
subscription,
domainOffset;
@ -46,38 +47,6 @@ define(
];
}
// Respond to newly-available telemetry data; update the
// drawing area accordingly.
function plotTelemetry() {
var prepared, datas, telemetry;
// Get a reference to the TelemetryController
telemetry = $scope.telemetry;
// Nothing to plot without TelemetryController
if (!telemetry) {
return;
}
// Ensure axes have been initialized (we will want to
// get the active axis below)
if (!$scope.axes) {
setupAxes(telemetry.getMetadata());
}
// Get data sets
datas = telemetry.getResponse();
// Prepare data sets for rendering
prepared = new PlotPreparer(
datas,
($scope.axes[0].active || {}).key,
($scope.axes[1].active || {}).key
);
modeOptions.getModeHandler().plotTelemetry(prepared);
}
// Trigger an update of a specific subplot;
// used in a loop to update all subplots.
function updateSubplot(subplot) {
@ -100,19 +69,35 @@ define(
.forEach(updateSubplot);
}
function updateValues() {
function recreateUpdater() {
updater = new PlotUpdater(
subscription,
($scope.axes[0].active || {}).key,
($scope.axes[1].active || {}).key
);
}
function updateValues() {
modeOptions.getModeHandler().plotTelemetry(updater);
update();
}
// Create a new subscription; telemetrySubscriber gets
// to do the meaningful work here.
function subscribe(domainObject) {
if (subscription) {
subscription.unsubscribe();
}
subscription = domainObject && telemetrySubscriber.subscribe(
domainObject,
updateValues
);
setupAxes(subscription.getMetadata());
recreateUpdater();
}
$scope.$watch('domainObject', subscribe);
return {
/**
* Get the color (as a style-friendly string) to use
@ -166,7 +151,7 @@ define(
*/
setMode: function (mode) {
modeOptions.setMode(mode);
plotTelemetry();
updateValues();
},
/**
* Get all individual plots contained within this Plot view.