922 lines
34 KiB
JavaScript
922 lines
34 KiB
JavaScript
function newAAMastersPlottersBollingerBandsPercentageBandwidth() {
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const MODULE_NAME = "Bands Plotter";
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const ERROR_LOG = true;
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const INTENSIVE_LOG = false;
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const logger = newWebDebugLog();
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logger.fileName = MODULE_NAME;
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let thisObject = {
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// Main functions and properties.
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initialize: initialize,
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finalize: finalize,
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container: undefined,
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fitFunction: undefined,
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getContainer: getContainer,
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setTimeFrame: setTimeFrame,
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setDatetime: setDatetime,
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draw: draw,
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recalculateScale: recalculateScale,
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/* Events declared outside the plotter. */
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onDailyFileLoaded: onDailyFileLoaded,
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// Secondary functions and properties.
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currentPercentageBandwidth: undefined
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};
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/* this is part of the module template */
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let container = newContainer(); // Do not touch this 3 lines, they are just needed.
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container.initialize();
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thisObject.container = container;
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let plotAreaFrame = newCoordinateSystem(); // Used for full frame view.
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let plotAreaViewport = newCoordinateSystem(); // Used for viewport view.
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let timeFrame; // This will hold the current Time Frame the user is at.
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let datetime; // This will hold the current Datetime the user is at.
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let marketFile; // This is the current Market File being plotted.
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let fileCursor; // This is the current File Cursor being used to retrieve Daily Files.
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let marketFiles; // This object will provide the different Market Files at different Time Frames.
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let dailyFiles; // This object will provide the different File Cursors at different Time Frames.
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/* these are module specific variables: */
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let percentageBandwidthArray = []; // Here we keep the percentageBandwidthArray to be ploted every time the Draw() function is called by the AAWebPlatform.
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let zoomChangedEventSubscriptionId
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let offsetChangedEventSubscriptionId
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let dragFinishedEventSubscriptionId
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let dimmensionsChangedEventSubscriptionId
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let marketFilesUpdatedEventSubscriptionId
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let dailyFilesUpdatedEventSubscriptionId
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return thisObject;
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function finalize() {
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try {
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/* Stop listening to the necesary events. */
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canvas.chartSpace.viewport.eventHandler.stopListening(zoomChangedEventSubscriptionId);
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canvas.chartSpace.viewport.eventHandler.stopListening(offsetChangedEventSubscriptionId);
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canvas.eventHandler.stopListening(dragFinishedEventSubscriptionId);
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thisObject.container.eventHandler.stopListening(dimmensionsChangedEventSubscriptionId)
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marketFiles.eventHandler.stopListening(marketFilesUpdatedEventSubscriptionId);
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dailyFiles.eventHandler.stopListening(dailyFilesUpdatedEventSubscriptionId);
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/* Destroyd References */
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marketFiles = undefined;
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dailyFiles = undefined;
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datetime = undefined;
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timeFrame = undefined;
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marketFile = undefined;
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fileCursor = undefined;
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] finalize -> err = " + err.stack); }
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}
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}
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function initialize(pStorage, pDatetime, pTimeFrame, callBackFunction) {
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try {
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/* Store the information received. */
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marketFiles = pStorage.marketFiles[0];
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dailyFiles = pStorage.dailyFiles[0];
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datetime = pDatetime;
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timeFrame = pTimeFrame;
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/* We need a Market File in order to calculate the Y scale, since this scale depends on actual data. */
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marketFile = marketFiles.getFile(ONE_DAY_IN_MILISECONDS); // This file is the one processed faster.
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recalculateScaleY();
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recalculateScaleX();
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/* Now we set the right files according to current Period. */
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marketFile = marketFiles.getFile(pTimeFrame);
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fileCursor = dailyFiles.getFileCursor(pTimeFrame);
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/* Listen to the necesary events. */
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zoomChangedEventSubscriptionId = canvas.chartSpace.viewport.eventHandler.listenToEvent("Zoom Changed", onViewportZoomChanged);
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offsetChangedEventSubscriptionId = canvas.chartSpace.viewport.eventHandler.listenToEvent("Position Changed", onViewportPositionChanged);
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dragFinishedEventSubscriptionId = canvas.eventHandler.listenToEvent("Drag Finished", onDragFinished);
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marketFilesUpdatedEventSubscriptionId = marketFiles.eventHandler.listenToEvent("Files Updated", onMarketFilesUpdated);
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dailyFilesUpdatedEventSubscriptionId = dailyFiles.eventHandler.listenToEvent("Files Updated", onDailyFilesUpdated);
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/* Get ready for plotting. */
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recalculate();
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dimmensionsChangedEventSubscriptionId = thisObject.container.eventHandler.listenToEvent('Dimmensions Changed', function () {
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recalculateScaleY();
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recalculateScaleX();
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recalculate();
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})
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callBackFunction();
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] initialize -> err = " + err.stack); }
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}
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}
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function recalculateScale() {
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recalculateScaleY();
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recalculateScaleX();
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}
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function getContainer(point) {
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try {
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let container;
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/* First we check if this point is inside this space. */
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if (this.container.frame.isThisPointHere(point) === true) {
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return this.container;
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} else {
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/* This point does not belong to this space. */
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return undefined;
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}
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] getContainer -> err = " + err.stack); }
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}
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}
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function onMarketFilesUpdated() {
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try {
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let newMarketFile = marketFiles.getFile(timeFrame);
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if (newMarketFile !== undefined) {
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marketFile = newMarketFile;
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recalculate();
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}
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] onMarketFilesUpdated -> err = " + err.stack); }
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}
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}
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function onDailyFilesUpdated() {
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try {
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let newFileCursor = dailyFiles.getFileCursor(timeFrame);
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if (newFileCursor !== undefined) {
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fileCursor = newFileCursor;
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recalculate();
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}
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] onDailyFilesUpdated -> err = " + err.stack); }
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}
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}
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function setTimeFrame(pTimeFrame) {
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try {
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if (timeFrame !== pTimeFrame) {
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timeFrame = pTimeFrame;
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if (timeFrame >= _1_HOUR_IN_MILISECONDS) {
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let newMarketFile = marketFiles.getFile(pTimeFrame);
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if (newMarketFile !== undefined) {
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marketFile = newMarketFile;
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recalculate();
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}
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} else {
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let newFileCursor = dailyFiles.getFileCursor(pTimeFrame);
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if (newFileCursor !== undefined) {
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fileCursor = newFileCursor;
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recalculate();
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}
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}
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}
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] setTimeFrame -> err = " + err.stack); }
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}
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}
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function setDatetime(pDatetime) {
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datetime = pDatetime;
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}
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function onDailyFileLoaded(event) {
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try {
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if (event.currentValue === event.totalValue) {
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/* This happens only when all of the files in the cursor have been loaded. */
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recalculate();
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}
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] onDailyFileLoaded -> err = " + err.stack); }
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}
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}
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function draw() {
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try {
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this.container.frame.draw();
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plotChart();
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] draw -> err = " + err.stack); }
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}
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}
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function recalculate() {
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try {
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if (timeFrame >= _1_HOUR_IN_MILISECONDS) {
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recalculateUsingMarketFiles();
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} else {
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recalculateUsingDailyFiles();
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}
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thisObject.container.eventHandler.raiseEvent("Bands Changed", percentageBandwidthArray);
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] recalculate -> err = " + err.stack); }
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}
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}
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function recalculateUsingDailyFiles() {
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try {
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if (fileCursor === undefined) { return; } // We need to wait
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if (fileCursor.files.size === 0) { return; } // We need to wait until there are files in the cursor
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let daysOnSides = getSideDays(timeFrame);
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let leftDate = getDateFromPoint(canvas.chartSpace.viewport.visibleArea.topLeft, thisObject.container, plotAreaFrame);
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let rightDate = getDateFromPoint(canvas.chartSpace.viewport.visibleArea.topRight, thisObject.container, plotAreaFrame);
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let dateDiff = rightDate.valueOf() - leftDate.valueOf();
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let farLeftDate = new Date(leftDate.valueOf() - dateDiff * 1.5);
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let farRightDate = new Date(rightDate.valueOf() + dateDiff * 1.5);
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let currentDate = new Date(farLeftDate.valueOf());
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percentageBandwidthArray = [];
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while (currentDate.valueOf() <= farRightDate.valueOf() + ONE_DAY_IN_MILISECONDS) {
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let stringDate = currentDate.getFullYear() + '-' + pad(currentDate.getMonth() + 1, 2) + '-' + pad(currentDate.getDate(), 2);
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let dailyFile = fileCursor.files.get(stringDate);
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if (dailyFile !== undefined) {
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for (let i = 0; i < dailyFile.length; i++) {
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let percentageBandwidth = {
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begin: undefined,
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end: undefined,
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value: undefined,
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movingAverage: undefined,
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bandwidth: undefined
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};
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percentageBandwidth.begin = dailyFile[i][0];
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percentageBandwidth.end = dailyFile[i][1];
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percentageBandwidth.value = dailyFile[i][2];
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percentageBandwidth.movingAverage = dailyFile[i][3];
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percentageBandwidth.bandwidth = dailyFile[i][4];
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if (percentageBandwidth.begin >= farLeftDate.valueOf() && percentageBandwidth.end <= farRightDate.valueOf()) {
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percentageBandwidthArray.push(percentageBandwidth);
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if (datetime.valueOf() >= percentageBandwidth.begin && datetime.valueOf() <= percentageBandwidth.end) {
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thisObject.currentPercentageBandwidth = percentageBandwidth;
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thisObject.container.eventHandler.raiseEvent("Current Percentage Bandwidth Changed", thisObject.currentPercentageBandwidth);
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}
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}
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}
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}
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currentDate = new Date(currentDate.valueOf() + ONE_DAY_IN_MILISECONDS);
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}
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/* Lests check if all the visible screen is going to be covered by percentageBandwidthArray. */
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let lowerEnd = leftDate.valueOf();
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let upperEnd = rightDate.valueOf();
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if (percentageBandwidthArray.length > 0) {
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if (percentageBandwidthArray[0].begin > lowerEnd || percentageBandwidthArray[percentageBandwidthArray.length - 1].end < upperEnd) {
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setTimeout(recalculate, 2000);
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//console.log("File missing while calculating percentageBandwidthArray, scheduling a recalculation in 2 seconds.");
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}
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}
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//console.log("Olivia > recalculateUsingDailyFiles > total percentageBandwidthArray generated : " + percentageBandwidthArray.length);
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] recalculateUsingDailyFiles -> err = " + err.stack); }
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}
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}
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function recalculateUsingMarketFiles() {
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try {
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if (marketFile === undefined) { return; } // Initialization not complete yet.
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let daysOnSides = getSideDays(timeFrame);
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let leftDate = getDateFromPoint(canvas.chartSpace.viewport.visibleArea.topLeft, thisObject.container, plotAreaFrame);
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let rightDate = getDateFromPoint(canvas.chartSpace.viewport.visibleArea.topRight, thisObject.container, plotAreaFrame);
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let dateDiff = rightDate.valueOf() - leftDate.valueOf();
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leftDate = new Date(leftDate.valueOf() - dateDiff * 1.5);
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rightDate = new Date(rightDate.valueOf() + dateDiff * 1.5);
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percentageBandwidthArray = [];
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for (let i = 0; i < marketFile.length; i++) {
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let percentageBandwidth = {
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begin: undefined,
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end: undefined,
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value: undefined,
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movingAverage: undefined,
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bandwidth: undefined
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};
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percentageBandwidth.begin = marketFile[i][0];
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percentageBandwidth.end = marketFile[i][1];
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percentageBandwidth.value = marketFile[i][2];
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percentageBandwidth.movingAverage = marketFile[i][3];
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percentageBandwidth.bandwidth = marketFile[i][4];
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if (percentageBandwidth.begin >= leftDate.valueOf() && percentageBandwidth.end <= rightDate.valueOf()) {
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percentageBandwidthArray.push(percentageBandwidth);
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if (datetime.valueOf() >= percentageBandwidth.begin && datetime.valueOf() <= percentageBandwidth.end) {
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thisObject.currentPercentageBandwidth = percentageBandwidth;
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thisObject.container.eventHandler.raiseEvent("Current Percentage Bandwidth Changed", thisObject.currentPercentageBandwidth);
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}
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}
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}
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//console.log("Olivia > recalculateUsingMarketFiles > total percentageBandwidthArray generated : " + percentageBandwidthArray.length);
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] recalculateUsingMarketFiles -> err = " + err.stack); }
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}
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}
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function recalculateScaleX() {
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try {
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var minValue = {
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x: MIN_PLOTABLE_DATE.valueOf()
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};
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var maxValue = {
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x: MAX_PLOTABLE_DATE.valueOf()
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};
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plotAreaViewport.initializeX(
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minValue,
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maxValue,
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thisObject.container.frame.width
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);
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plotAreaFrame.initializeX(
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minValue,
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maxValue,
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thisObject.container.frame.width
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);
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] recalculateScaleX -> err = " + err.stack); }
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}
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}
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function recalculateScaleY() {
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try {
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var minValue = {
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y: 0
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};
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var maxValue = {
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y: 0
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};
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maxValue.y = 100;
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plotAreaViewport.initializeY(
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minValue,
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maxValue,
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canvas.chartSpace.viewport.visibleArea.bottomRight.y - canvas.chartSpace.viewport.visibleArea.topLeft.y
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);
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plotAreaFrame.initializeY(
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minValue,
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maxValue,
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thisObject.container.frame.height
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);
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] recalculateScaleY -> err = " + err.stack); }
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}
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}
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function plotChart() {
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try {
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let userPosition = getUserPosition()
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let userPositionDate = userPosition.point.x
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let percentageBandwidth;
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let previousBand;
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if (percentageBandwidthArray.length > 0) {
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/* This next section is to get ready in order to be able to plot dinamically constrained to the viewport */
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let visibleHeight = canvas.chartSpace.viewport.visibleArea.bottomRight.y - canvas.chartSpace.viewport.visibleArea.topLeft.y;
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let frameCorner1 = {
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x: 0,
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y: 0
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};
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let frameCorner2 = {
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x: thisObject.container.frame.width,
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y: thisObject.container.frame.height
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};
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/* Now the transformations. */
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frameCorner1 = transformThisPoint(frameCorner1, thisObject.container.frame.container);
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frameCorner2 = transformThisPoint(frameCorner2, thisObject.container.frame.container);
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let frameHeightInViewPort = frameCorner2.y - frameCorner1.y;
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let pbChartHeight = 20;
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let pbOffset = 100 / 5 * 4;
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/* Now we calculate and plot the percentageBandwidthArray */
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for (let i = 1; i < percentageBandwidthArray.length; i++) {
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percentageBandwidth = percentageBandwidthArray[i];
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previousBand = percentageBandwidthArray[i - 1];
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/* Here we will draw the percent bandwidth chart */
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let currentPercentBandwidth = percentageBandwidth.value * pbChartHeight / 100;
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if (currentPercentBandwidth > pbChartHeight) { currentPercentBandwidth = pbChartHeight };
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if (currentPercentBandwidth < 0) { currentPercentBandwidth = 0 };
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let previousPercentBandwidth = previousBand.value * pbChartHeight / 100;
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if (previousPercentBandwidth > pbChartHeight) { previousPercentBandwidth = pbChartHeight };
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if (previousPercentBandwidth < 0) { previousPercentBandwidth = 0 };
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let currentMovingAverage = percentageBandwidth.movingAverage * pbChartHeight / 100;
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let previousMovingAverage = previousBand.movingAverage * pbChartHeight / 100;
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let currentBandwidth = percentageBandwidth.bandwidth * 100 * pbChartHeight / 100;
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let previousBandwidth = previousBand.bandwidth * 100 * pbChartHeight / 100;
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let pbPoint1;
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let pbPoint2;
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let pbPoint3;
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let pbPoint4;
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let pbPoint5;
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let pbPoint6;
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let pbPoint7;
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let pbPoint8;
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let pbPoint9;
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let pbPoint10;
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function calculateCoordinates(plot, height) {
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pbPoint1 = {
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x: percentageBandwidth.begin,
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y: previousPercentBandwidth + pbOffset
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};
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pbPoint2 = {
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x: percentageBandwidth.end,
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y: currentPercentBandwidth + pbOffset
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};
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/* Points needed for the lines */
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pbPoint3 = {
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x: 0,
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y: 0 * pbChartHeight / 100 + pbOffset
|
|
};
|
|
|
|
pbPoint4 = {
|
|
x: 0,
|
|
y: 30 * pbChartHeight / 100 + pbOffset
|
|
};
|
|
|
|
pbPoint5 = {
|
|
x: 0,
|
|
y: 70 * pbChartHeight / 100 + pbOffset
|
|
};
|
|
|
|
pbPoint6 = {
|
|
x: 0,
|
|
y: 100 * pbChartHeight / 100 + pbOffset
|
|
};
|
|
|
|
/* Moving Average */
|
|
|
|
pbPoint7 = {
|
|
x: percentageBandwidth.begin,
|
|
y: previousMovingAverage + pbOffset
|
|
};
|
|
|
|
pbPoint8 = {
|
|
x: percentageBandwidth.end,
|
|
y: currentMovingAverage + pbOffset
|
|
};
|
|
|
|
/* Bandwidth */
|
|
|
|
pbPoint9 = {
|
|
x: percentageBandwidth.begin,
|
|
y: previousBandwidth + pbOffset
|
|
};
|
|
|
|
pbPoint10 = {
|
|
x: percentageBandwidth.end,
|
|
y: currentBandwidth + pbOffset
|
|
};
|
|
|
|
pbPoint1 = plot.transformThisPoint(pbPoint1);
|
|
pbPoint2 = plot.transformThisPoint(pbPoint2);
|
|
|
|
pbPoint3 = plot.transformThisPoint(pbPoint3);
|
|
pbPoint4 = plot.transformThisPoint(pbPoint4);
|
|
pbPoint5 = plot.transformThisPoint(pbPoint5);
|
|
pbPoint6 = plot.transformThisPoint(pbPoint6);
|
|
|
|
pbPoint7 = plot.transformThisPoint(pbPoint7);
|
|
pbPoint8 = plot.transformThisPoint(pbPoint8);
|
|
|
|
pbPoint9 = plot.transformThisPoint(pbPoint9);
|
|
pbPoint10 = plot.transformThisPoint(pbPoint10);
|
|
|
|
pbPoint1 = transformThisPoint(pbPoint1, thisObject.container);
|
|
pbPoint2 = transformThisPoint(pbPoint2, thisObject.container);
|
|
|
|
pbPoint3 = transformThisPoint(pbPoint3, thisObject.container);
|
|
pbPoint4 = transformThisPoint(pbPoint4, thisObject.container);
|
|
pbPoint5 = transformThisPoint(pbPoint5, thisObject.container);
|
|
pbPoint6 = transformThisPoint(pbPoint6, thisObject.container);
|
|
|
|
pbPoint7 = transformThisPoint(pbPoint7, thisObject.container);
|
|
pbPoint8 = transformThisPoint(pbPoint8, thisObject.container);
|
|
|
|
pbPoint9 = transformThisPoint(pbPoint9, thisObject.container);
|
|
pbPoint10 = transformThisPoint(pbPoint10, thisObject.container);
|
|
|
|
if (pbPoint1.x < canvas.chartSpace.viewport.visibleArea.bottomLeft.x || pbPoint2.x > canvas.chartSpace.viewport.visibleArea.bottomRight.x) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
if (calculateCoordinates(plotAreaFrame, thisObject.container.frame.height) === false) { continue; } // We try to see if it fits in the visible area.
|
|
|
|
if (frameHeightInViewPort > visibleHeight * 2 / 3) {
|
|
|
|
if (calculateCoordinates(plotAreaViewport, visibleHeight) === false) {
|
|
continue;
|
|
} // We snap t to the view port.
|
|
|
|
/* Now we set the real value of y. */
|
|
|
|
pbPoint1.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (previousPercentBandwidth + pbOffset) * plotAreaViewport.scale.y;
|
|
pbPoint2.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (currentPercentBandwidth + pbOffset) * plotAreaViewport.scale.y;
|
|
|
|
pbPoint3.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (0 * pbChartHeight / 100 + pbOffset) * plotAreaViewport.scale.y;
|
|
pbPoint4.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (30 * pbChartHeight / 100 + pbOffset) * plotAreaViewport.scale.y;
|
|
pbPoint5.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (70 * pbChartHeight / 100 + pbOffset) * plotAreaViewport.scale.y;
|
|
pbPoint6.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (100 * pbChartHeight / 100 + pbOffset) * plotAreaViewport.scale.y;
|
|
|
|
pbPoint7.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (previousMovingAverage + pbOffset) * plotAreaViewport.scale.y;
|
|
pbPoint8.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (currentMovingAverage + pbOffset) * plotAreaViewport.scale.y;
|
|
|
|
pbPoint9.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (previousBandwidth + pbOffset) * plotAreaViewport.scale.y;
|
|
pbPoint10.y = canvas.chartSpace.viewport.visibleArea.bottomRight.y - (currentBandwidth + pbOffset) * plotAreaViewport.scale.y;
|
|
|
|
}
|
|
|
|
/* Everything must fit within the visible area */
|
|
|
|
pbPoint1 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint1);
|
|
pbPoint2 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint2);
|
|
|
|
pbPoint3 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint3);
|
|
pbPoint4 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint4);
|
|
pbPoint5 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint5);
|
|
pbPoint6 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint6);
|
|
|
|
pbPoint7 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint7);
|
|
pbPoint8 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint8);
|
|
|
|
pbPoint9 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint9);
|
|
pbPoint10 = canvas.chartSpace.viewport.fitIntoVisibleArea(pbPoint10);
|
|
|
|
|
|
/* Now the drawing of the lines */
|
|
|
|
let bgOpacityA = 0.05;
|
|
let bgOpacityB = 0.05;
|
|
let bgOpacityC = 0.05;
|
|
|
|
let fgOpacity = '1';
|
|
|
|
let lineWidthA = 0.2;
|
|
let lineWidthB = 0.2;
|
|
let lineWidthC = 0.2;
|
|
|
|
if (pbPoint1.y > pbPoint4.y || pbPoint2.y > pbPoint4.y) {
|
|
bgOpacityA = bgOpacityA * 2;
|
|
}
|
|
|
|
if (pbPoint1.y < pbPoint5.y || pbPoint2.y < pbPoint5.y) {
|
|
bgOpacityC = bgOpacityC * 2;
|
|
}
|
|
|
|
if (pbPoint1.y >= pbPoint3.y || pbPoint2.y >= pbPoint3.y) {
|
|
bgOpacityA = bgOpacityA * 1.5;
|
|
lineWidthA = lineWidthA * 2;
|
|
}
|
|
|
|
if (pbPoint1.y <= pbPoint6.y || pbPoint2.y <= pbPoint6.y) {
|
|
bgOpacityC = bgOpacityC * 1.5;
|
|
lineWidthC = lineWidthC * 2;
|
|
}
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint1.x, pbPoint3.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint3.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint4.y);
|
|
browserCanvasContext.lineTo(pbPoint1.x, pbPoint4.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.GOLDEN_ORANGE + ',' + bgOpacityA + ' )';
|
|
browserCanvasContext.fill();
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint1.x, pbPoint4.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint4.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint5.y);
|
|
browserCanvasContext.lineTo(pbPoint1.x, pbPoint5.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.TITANIUM_YELLOW + ', ' + bgOpacityB + ')';
|
|
browserCanvasContext.fill();
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint1.x, pbPoint5.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint5.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint6.y);
|
|
browserCanvasContext.lineTo(pbPoint1.x, pbPoint6.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.GOLDEN_ORANGE + ', ' + bgOpacityC + ')';
|
|
browserCanvasContext.fill();
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint1.x, pbPoint3.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint3.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.GOLDEN_ORANGE + ', ' + fgOpacity + ')';
|
|
browserCanvasContext.lineWidth = lineWidthA;
|
|
browserCanvasContext.stroke();
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint1.x, pbPoint4.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint4.y);
|
|
browserCanvasContext.moveTo(pbPoint1.x, pbPoint5.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint5.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.GOLDEN_ORANGE + ', ' + fgOpacity + ')';
|
|
browserCanvasContext.lineWidth = lineWidthB;
|
|
browserCanvasContext.stroke();
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint1.x, pbPoint6.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint6.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.GOLDEN_ORANGE + ', ' + fgOpacity + ')';
|
|
browserCanvasContext.lineWidth = lineWidthC;
|
|
browserCanvasContext.stroke();
|
|
|
|
/* Now the drawing of the percentage bandwidth*/
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint1.x, pbPoint1.y);
|
|
browserCanvasContext.lineTo(pbPoint2.x, pbPoint2.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.GOLDEN_ORANGE + ', 1)';
|
|
|
|
if (userPositionDate >= percentageBandwidth.begin && userPositionDate <= percentageBandwidth.end) {
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.BLACK + ', 1)';
|
|
}
|
|
|
|
browserCanvasContext.lineWidth = 0.2;
|
|
browserCanvasContext.stroke();
|
|
|
|
/* Now the drawing of the moving average*/
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint7.x, pbPoint7.y);
|
|
browserCanvasContext.lineTo(pbPoint8.x, pbPoint8.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
if (pbPoint7.y > pbPoint8.y) {
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.PATINATED_TURQUOISE + ', 1)';
|
|
} else {
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.RUSTED_RED + ', 1)';
|
|
}
|
|
|
|
if (userPositionDate >= percentageBandwidth.begin && userPositionDate <= percentageBandwidth.end) {
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.BLACK + ', 1)';
|
|
}
|
|
|
|
browserCanvasContext.lineWidth = 0.2;
|
|
browserCanvasContext.stroke();
|
|
|
|
/* Now the drawing of the bandwidth*/
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(pbPoint9.x, pbPoint9.y);
|
|
browserCanvasContext.lineTo(pbPoint10.x, pbPoint10.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.GREEN + ', 1)';
|
|
|
|
if (userPositionDate >= percentageBandwidth.begin && userPositionDate <= percentageBandwidth.end) {
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.BLACK + ', 1)';
|
|
}
|
|
|
|
browserCanvasContext.setLineDash([1, 4])
|
|
browserCanvasContext.lineWidth = 1
|
|
browserCanvasContext.stroke()
|
|
browserCanvasContext.setLineDash([0, 0])
|
|
}
|
|
}
|
|
|
|
} catch (err) {
|
|
|
|
if (ERROR_LOG === true) { logger.write("[ERROR] plotChart -> err = " + err.stack); }
|
|
}
|
|
}
|
|
|
|
|
|
function onViewportZoomChanged(event) {
|
|
|
|
try {
|
|
|
|
recalculate();
|
|
|
|
} catch (err) {
|
|
|
|
if (ERROR_LOG === true) { logger.write("[ERROR] onViewportZoomChanged -> err = " + err.stack); }
|
|
}
|
|
}
|
|
|
|
function onViewportPositionChanged(event) {
|
|
|
|
try {
|
|
|
|
if (event !== undefined) {
|
|
if (event.recalculate === true) {
|
|
recalculate()
|
|
return
|
|
}
|
|
}
|
|
if (Math.random() * 100 > 95) {
|
|
recalculate()
|
|
};
|
|
|
|
} catch (err) {
|
|
|
|
if (ERROR_LOG === true) { logger.write("[ERROR] onViewportPositionChanged -> err = " + err.stack); }
|
|
}
|
|
}
|
|
|
|
function onDragFinished() {
|
|
|
|
try {
|
|
|
|
recalculate();
|
|
|
|
} catch (err) {
|
|
|
|
if (ERROR_LOG === true) { logger.write("[ERROR] onDragFinished -> err = " + err.stack); }
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|