756 lines
30 KiB
JavaScript
756 lines
30 KiB
JavaScript
function newCandlesPlottersCandlesVolumesVolumes() {
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const MODULE_NAME = "Volumes 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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let thisObject = {
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/* Events declared outside the plotter. */
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onDailyFileLoaded: onDailyFileLoaded,
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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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setCoordinateSystem: setCoordinateSystem,
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recalculateScale: recalculateScale,
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draw: draw
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};
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/* this is part of the module template */
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thisObject.container = newContainer()
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thisObject.container.initialize(MODULE_NAME)
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let coordinateSystem
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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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let scaleFile; // This file is used to calculate the scale.
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/* these are module specific variables: */
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let volumes = []; // Here we keep the volumes to be plotted every time the Draw() function is called by the AAWebPlatform.
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let onMouseOverEventSuscriptionId
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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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let scaleChangedEventSubscriptionId
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let userPositionDate
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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 necessary events. */
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thisObject.container.eventHandler.stopListening(onMouseOverEventSuscriptionId)
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UI.projects.foundations.spaces.chartingSpace.viewport.eventHandler.stopListening(zoomChangedEventSubscriptionId);
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UI.projects.foundations.spaces.chartingSpace.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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/* Destroyed 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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thisObject.fitFunction = undefined
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finalizeCoordinateSystem()
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coordinateSystem = 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, pCoordinateSystem, 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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coordinateSystem = pCoordinateSystem
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initializeCoordinateSystem()
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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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scaleFile = marketFiles.getFile(ONE_DAY_IN_MILISECONDS); // This file is the one processed faster.
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/* Now we set the right files according to current Time Frame. */
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marketFile = marketFiles.getFile(pTimeFrame);
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fileCursor = dailyFiles.getFileCursor(pTimeFrame);
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/* Listen to the necessary events. */
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zoomChangedEventSubscriptionId = UI.projects.foundations.spaces.chartingSpace.viewport.eventHandler.listenToEvent("Zoom Changed", onViewportZoomChanged);
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offsetChangedEventSubscriptionId = UI.projects.foundations.spaces.chartingSpace.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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onMouseOverEventSuscriptionId = thisObject.container.eventHandler.listenToEvent('onMouseOver', onMouseOver)
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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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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 initializeCoordinateSystem() {
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scaleChangedEventSubscriptionId = coordinateSystem.eventHandler.listenToEvent('Scale Changed', onScaleChanged)
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}
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function finalizeCoordinateSystem() {
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coordinateSystem.eventHandler.stopListening(scaleChangedEventSubscriptionId)
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}
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function onScaleChanged() {
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recalculate();
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}
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function onMouseOver(event) {
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let userPosition = UI.projects.foundations.utilities.dateRateTransformations.getDateFromPointAtBrowserCanvas(event, thisObject.container, coordinateSystem)
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userPositionDate = userPosition.valueOf()
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}
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function recalculateScale() {
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recalculate();
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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 (thisObject.container.frame.isThisPointHere(point) === true) {
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return thisObject.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 setCoordinateSystem(pCoordinateSystem) {
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finalizeCoordinateSystem()
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coordinateSystem = pCoordinateSystem
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initializeCoordinateSystem()
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}
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function onDailyFileLoaded(event) {
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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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}
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function draw() {
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try {
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if (INTENSIVE_LOG === true) { logger.write("[INFO] draw -> Entering function."); }
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thisObject.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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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("Volumes Changed", volumes);
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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 leftDate = UI.projects.foundations.utilities.dateRateTransformations.getDateFromPointAtBrowserCanvas(UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.topLeft, thisObject.container, coordinateSystem);
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let rightDate = UI.projects.foundations.utilities.dateRateTransformations.getDateFromPointAtBrowserCanvas(UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.topRight, thisObject.container, coordinateSystem);
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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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volumes = [];
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while (currentDate.valueOf() <= farRightDate.valueOf() + ONE_DAY_IN_MILISECONDS) {
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let stringDate = currentDate.getUTCFullYear() + '-' + pad(currentDate.getUTCMonth() + 1, 2) + '-' + pad(currentDate.getUTCDate(), 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 volume = {
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amountBuy: 0,
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amountSell: 0,
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begin: undefined,
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end: undefined
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};
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volume.amountBuy = dailyFile[i][0];
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volume.amountSell = dailyFile[i][1];
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volume.begin = dailyFile[i][2];
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volume.end = dailyFile[i][3];
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if (
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(volume.begin >= farLeftDate.valueOf() && volume.end <= farRightDate.valueOf()) &&
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(volume.begin >= coordinateSystem.min.x && volume.end <= coordinateSystem.max.x)
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) {
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volumes.push(volume);
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if (datetime.valueOf() >= volume.begin && datetime.valueOf() <= volume.end) {
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thisObject.container.eventHandler.raiseEvent("Current Record Changed", thisObject.currentCandle);
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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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/* Lets check if all the visible screen is going to be covered by volumes. */
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let lowerEnd = leftDate.valueOf();
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let upperEnd = rightDate.valueOf();
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if (volumes.length > 0) {
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if (volumes[0].begin > lowerEnd || volumes[volumes.length - 1].end < upperEnd) {
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setTimeout(recalculate, 2000);
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//console.log("File missing while calculating volumes, scheduling a recalculation in 2 seconds.");
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}
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}
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//console.log("Olivia > recalculateUsingDailyFiles > total volumes generated : " + volumes.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 leftDate = UI.projects.foundations.utilities.dateRateTransformations.getDateFromPointAtBrowserCanvas(UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.topLeft, thisObject.container, coordinateSystem);
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let rightDate = UI.projects.foundations.utilities.dateRateTransformations.getDateFromPointAtBrowserCanvas(UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.topRight, thisObject.container, coordinateSystem);
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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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volumes = [];
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for (let i = 0; i < marketFile.length; i++) {
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let volume = {
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amountBuy: 0,
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amountSell: 0,
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begin: undefined,
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end: undefined
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};
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volume.amountBuy = marketFile[i][0];
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volume.amountSell = marketFile[i][1];
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volume.begin = marketFile[i][2];
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volume.end = marketFile[i][3];
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if (
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(volume.begin >= leftDate.valueOf() && volume.end <= rightDate.valueOf()) &&
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(volume.begin >= coordinateSystem.min.x && volume.end <= coordinateSystem.max.x)
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) {
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volumes.push(volume);
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if (datetime.valueOf() >= volume.begin && datetime.valueOf() <= volume.end) {
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thisObject.container.eventHandler.raiseEvent("Current Record Changed", thisObject.currentCandle);
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}
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}
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}
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//console.log("Olivia > recalculateUsingMarketFiles > total volumes generated : " + volumes.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 plotChart() {
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try {
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let lowResolution = false
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if (UI.projects.foundations.spaces.chartingSpace.viewport.zoomTargetLevel < UI.projects.foundations.globals.zoom.ZOOM_OUT_THRESHOLD_FOR_PLOTTING_IN_LOW_RESOLUTION) {
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if (volumes.length > 100) {
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lowResolution = true
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}
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}
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if (volumes.length > 0) {
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/* Now we calculate and plot the volumes */
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let visibleHeight = UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.bottomRight.y - UI.projects.foundations.spaces.chartingSpace.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 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(frameCorner1, thisObject.container.frame.container);
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frameCorner2 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(frameCorner2, thisObject.container.frame.container);
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let frameHeightInViewPort = frameCorner2.y - frameCorner1.y;
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if (volumes.length > 0) {
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for (let i = 0; i < volumes.length; i++) {
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volume = volumes[i];
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let volumePointA1;
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let volumePointA2;
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let volumePointA3;
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let volumePointA4;
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function calculateBuys(plot, height) {
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volumePointA1 = {
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x: volume.begin + timeFrame / 7 * 2,
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y: 0
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};
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volumePointA2 = {
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x: volume.begin + timeFrame / 7 * 2,
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y: volume.amountBuy
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};
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volumePointA3 = {
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x: volume.begin + timeFrame / 7 * 5,
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y: volume.amountBuy
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};
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volumePointA4 = {
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x: volume.begin + timeFrame / 7 * 5,
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y: 0
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};
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volumePointA1 = plot.transformThisPoint(volumePointA1);
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volumePointA2 = plot.transformThisPoint(volumePointA2);
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volumePointA3 = plot.transformThisPoint(volumePointA3);
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volumePointA4 = plot.transformThisPoint(volumePointA4);
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volumePointA1 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(volumePointA1, thisObject.container);
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volumePointA2 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(volumePointA2, thisObject.container);
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volumePointA3 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(volumePointA3, thisObject.container);
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volumePointA4 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(volumePointA4, thisObject.container);
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let baseIncrement = (volumePointA3.x - volumePointA1.x) * WIDHTER_VOLUME_BAR_BASE_FACTOR;
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volumePointA1.x = volumePointA1.x - baseIncrement;
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volumePointA4.x = volumePointA4.x + baseIncrement;
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if (volumePointA4.x < UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.bottomLeft.x || volumePointA1.x > UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.bottomRight.x) {
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return false;
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}
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return true;
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}
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if (calculateBuys(coordinateSystem, thisObject.container.frame.height) === false) { continue; } // We try to see if it fits in the visible area.
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let diffA = volumePointA1.y - UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.bottomLeft.y
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if (diffA > 0) {
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volumePointA1.y = volumePointA1.y - diffA
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volumePointA2.y = volumePointA2.y - diffA
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volumePointA3.y = volumePointA3.y - diffA
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volumePointA4.y = volumePointA4.y - diffA
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}
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let volumePointB1;
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let volumePointB2;
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let volumePointB3;
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let volumePointB4;
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function calculateSells(plot, height) {
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volumePointB1 = {
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x: volume.begin + timeFrame / 7 * 2,
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y: height
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};
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volumePointB2 = {
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x: volume.begin + timeFrame / 7 * 2,
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y: height - volume.amountSell
|
|
};
|
|
|
|
volumePointB3 = {
|
|
x: volume.begin + timeFrame / 7 * 5,
|
|
y: height - volume.amountSell
|
|
};
|
|
|
|
volumePointB4 = {
|
|
x: volume.begin + timeFrame / 7 * 5,
|
|
y: height
|
|
};
|
|
|
|
volumePointB1 = plot.transformThisPoint2(volumePointB1);
|
|
volumePointB2 = plot.transformThisPoint2(volumePointB2);
|
|
volumePointB3 = plot.transformThisPoint2(volumePointB3);
|
|
volumePointB4 = plot.transformThisPoint2(volumePointB4);
|
|
|
|
volumePointB1 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(volumePointB1, thisObject.container);
|
|
volumePointB2 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(volumePointB2, thisObject.container);
|
|
volumePointB3 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(volumePointB3, thisObject.container);
|
|
volumePointB4 = UI.projects.foundations.utilities.coordinateTransformations.transformThisPoint(volumePointB4, thisObject.container);
|
|
}
|
|
|
|
calculateSells(coordinateSystem, thisObject.container.frame.height); // We try to see if it fits in the visible area.
|
|
|
|
let diffB = volumePointB1.y - UI.projects.foundations.spaces.chartingSpace.viewport.visibleArea.topLeft.y
|
|
if (diffB < 0) {
|
|
volumePointB1.y = volumePointB1.y - diffB
|
|
volumePointB2.y = volumePointB2.y - diffB
|
|
volumePointB3.y = volumePointB3.y - diffB
|
|
volumePointB4.y = volumePointB4.y - diffB
|
|
}
|
|
|
|
/* We put a wider base */
|
|
|
|
let baseIncrement = (volumePointB3.x - volumePointB1.x) * WIDHTER_VOLUME_BAR_BASE_FACTOR;
|
|
|
|
volumePointB1.x = volumePointB1.x - baseIncrement;
|
|
volumePointB4.x = volumePointB4.x + baseIncrement;
|
|
|
|
/* We put a less wider top */
|
|
|
|
let baseDencrement = (volumePointA3.x - volumePointA2.x) * LESS_WIDHTER_VOLUME_BAR_TOP_FACTOR;
|
|
|
|
volumePointA2.x = volumePointA2.x + baseDencrement;
|
|
volumePointA3.x = volumePointA3.x - baseDencrement;
|
|
|
|
volumePointB2.x = volumePointB2.x + baseDencrement;
|
|
volumePointB3.x = volumePointB3.x - baseDencrement;
|
|
|
|
|
|
/* Everything must fit within the visible area */
|
|
|
|
volumePointA1 = UI.projects.foundations.spaces.chartingSpace.viewport.fitIntoVisibleArea(volumePointA1);
|
|
volumePointA2 = UI.projects.foundations.spaces.chartingSpace.viewport.fitIntoVisibleArea(volumePointA2);
|
|
volumePointA3 = UI.projects.foundations.spaces.chartingSpace.viewport.fitIntoVisibleArea(volumePointA3);
|
|
volumePointA4 = UI.projects.foundations.spaces.chartingSpace.viewport.fitIntoVisibleArea(volumePointA4);
|
|
|
|
volumePointB1 = UI.projects.foundations.spaces.chartingSpace.viewport.fitIntoVisibleArea(volumePointB1);
|
|
volumePointB2 = UI.projects.foundations.spaces.chartingSpace.viewport.fitIntoVisibleArea(volumePointB2);
|
|
volumePointB3 = UI.projects.foundations.spaces.chartingSpace.viewport.fitIntoVisibleArea(volumePointB3);
|
|
volumePointB4 = UI.projects.foundations.spaces.chartingSpace.viewport.fitIntoVisibleArea(volumePointB4);
|
|
|
|
volumePointA1 = thisObject.fitFunction(volumePointA1);
|
|
volumePointA2 = thisObject.fitFunction(volumePointA2);
|
|
volumePointA3 = thisObject.fitFunction(volumePointA3);
|
|
volumePointA4 = thisObject.fitFunction(volumePointA4);
|
|
|
|
volumePointB1 = thisObject.fitFunction(volumePointB1);
|
|
volumePointB2 = thisObject.fitFunction(volumePointB2);
|
|
volumePointB3 = thisObject.fitFunction(volumePointB3);
|
|
volumePointB4 = thisObject.fitFunction(volumePointB4);
|
|
|
|
/* Everything must fit within the Frame. We know that that is equivalent to say that each bar con not be higher than the base of the opposite . */
|
|
|
|
if (volumePointA2.y < volumePointB1.y) {
|
|
|
|
volumePointA2.y = volumePointB1.y;
|
|
volumePointA3.y = volumePointB1.y;
|
|
|
|
}
|
|
|
|
if (volumePointB2.y > volumePointA1.y) {
|
|
|
|
volumePointB2.y = volumePointA1.y;
|
|
volumePointB3.y = volumePointA1.y;
|
|
|
|
}
|
|
|
|
/* Now the drawing of the volume bars*/
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(volumePointA1.x, volumePointA1.y);
|
|
browserCanvasContext.lineTo(volumePointA2.x, volumePointA2.y);
|
|
browserCanvasContext.lineTo(volumePointA3.x, volumePointA3.y);
|
|
browserCanvasContext.lineTo(volumePointA4.x, volumePointA4.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
if (lowResolution === false) {
|
|
browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.GREEN + ', 0.40)';
|
|
|
|
if (userPositionDate >= volume.begin && userPositionDate <= volume.end) {
|
|
browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.TITANIUM_YELLOW + ', 0.40)'; // Current bar according to time
|
|
}
|
|
}
|
|
|
|
browserCanvasContext.fill();
|
|
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.PATINATED_TURQUOISE + ', 0.40)';
|
|
browserCanvasContext.lineWidth = 1;
|
|
browserCanvasContext.setLineDash([]) // Resets Line Dash
|
|
browserCanvasContext.stroke();
|
|
|
|
browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(volumePointB1.x, volumePointB1.y);
|
|
browserCanvasContext.lineTo(volumePointB2.x, volumePointB2.y);
|
|
browserCanvasContext.lineTo(volumePointB3.x, volumePointB3.y);
|
|
browserCanvasContext.lineTo(volumePointB4.x, volumePointB4.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
if (lowResolution === false) {
|
|
browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.RUSTED_RED + ', 0.40)';
|
|
|
|
if (userPositionDate >= volume.begin && userPositionDate <= volume.end) {
|
|
browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.TITANIUM_YELLOW + ', 0.40)'; // Current volume according to time
|
|
}
|
|
|
|
browserCanvasContext.fill();
|
|
}
|
|
|
|
browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.RED + ', 0.40)';
|
|
|
|
browserCanvasContext.lineWidth = 1;
|
|
browserCanvasContext.setLineDash([]) // Resets Line Dash
|
|
browserCanvasContext.stroke();
|
|
|
|
if (userPositionDate >= volume.begin && userPositionDate <= volume.end) {
|
|
|
|
let buyInfo = {
|
|
baseWidth: volumePointA4.x - volumePointA1.x,
|
|
topWidth: volumePointA3.x - volumePointA2.x,
|
|
height: volumePointA2.y - volumePointA1.y
|
|
};
|
|
|
|
let sellInfo = {
|
|
baseWidth: volumePointB4.x - volumePointB1.x,
|
|
topWidth: volumePointB3.x - volumePointB2.x,
|
|
height: volumePointB2.y - volumePointB1.y
|
|
};
|
|
|
|
let currentVolume = {
|
|
buyInfo: buyInfo,
|
|
sellInfo: sellInfo,
|
|
timeFrame: timeFrame,
|
|
innerVolumeBar: volume
|
|
};
|
|
|
|
thisObject.container.eventHandler.raiseEvent("Current Record Changed", currentVolume);
|
|
|
|
}
|
|
/* Contributing to Auto-Scale*/
|
|
coordinateSystem.reportYValue(volume.amountBuy * 5)
|
|
coordinateSystem.reportYValue(volume.amountSell * 5)
|
|
coordinateSystem.reportYValue(0)
|
|
}
|
|
}
|
|
}
|
|
|
|
} catch (err) {
|
|
|
|
if (ERROR_LOG === true) { logger.write("[ERROR] plotChart -> err = " + err.stack); }
|
|
}
|
|
}
|
|
|
|
function onViewportZoomChanged(event) {
|
|
recalculate()
|
|
}
|
|
|
|
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() {
|
|
recalculate();
|
|
}
|
|
}
|
|
|
|
|