675 lines
22 KiB
JavaScript
675 lines
22 KiB
JavaScript
function newAAMastersPlottersStairsPatternsCandleStairs() {
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const MODULE_NAME = "AAMasters Plotters Stairs Patterns Candle Stairs";
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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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/* Events declared outside the plotter. */
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onDailyFileLoaded: onDailyFileLoaded,
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// Main functions and properties.
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container: undefined,
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initialize: initialize,
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finalize: finalize,
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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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recalculateScale: recalculateScale,
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draw: draw,
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// Secondary functions and properties.
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currentStair: 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 coordinateSystem = newCoordinateSystem(); // Needed to be able to plot on the timeline, otherwise not.
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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 stairsArray = []; // Here we keep the candle-stairs 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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thisObject.fitFunction = undefined
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} catch (err) {
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if (ERROR_LOG === true) { logger.write("[ERROR] finalize -> err.message = " + err.message); }
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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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recalculateScale();
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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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recalculateScale()
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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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callBackFunction(GLOBAL.DEFAULT_FAIL_RESPONSE);
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}
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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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if (INTENSIVE_LOG === true) { logger.write("[INFO] onDailyFileLoaded -> Entering function."); }
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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("CandleStairs Changed", stairsArray);
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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, coordinateSystem);
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let rightDate = getDateFromPoint(canvas.chartSpace.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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stairsArray = [];
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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 stairs = {
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open: undefined,
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close: undefined,
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min: 10000000000000,
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max: 0,
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begin: undefined,
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end: undefined,
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direction: undefined,
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candleCount: 0,
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firstMin: 0,
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firstMax: 0,
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lastMin: 0,
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lastMax: 0
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};
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stairs.open = dailyFile[i][0];
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stairs.close = dailyFile[i][1];
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stairs.min = dailyFile[i][2];
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stairs.max = dailyFile[i][3];
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stairs.begin = dailyFile[i][4];
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stairs.end = dailyFile[i][5];
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stairs.direction = dailyFile[i][6];
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stairs.candleCount = dailyFile[i][7];
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stairs.firstMin = dailyFile[i][8];
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stairs.firstMax = dailyFile[i][9];
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stairs.lastMin = dailyFile[i][10];
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stairs.lastMax = dailyFile[i][11];
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if (stairs.begin >= farLeftDate.valueOf() && stairs.end <= farRightDate.valueOf()) {
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stairsArray.push(stairs);
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if (datetime.valueOf() >= stairs.begin && datetime.valueOf() <= stairs.end) {
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thisObject.currentStair = stairs;
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thisObject.container.eventHandler.raiseEvent("Current Candle-Stairs Changed", thisObject.currentStair);
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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 candle-stairs. */
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let lowerEnd = leftDate.valueOf();
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let upperEnd = rightDate.valueOf();
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if (stairsArray.length > 0) {
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if (stairsArray[0].begin > lowerEnd || stairsArray[stairsArray.length - 1].end < upperEnd) {
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setTimeout(recalculate, 2000);
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//console.log("File missing while calculating candle-stairs, scheduling a recalculation in 2 seconds.");
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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] 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, coordinateSystem);
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let rightDate = getDateFromPoint(canvas.chartSpace.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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stairsArray = [];
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for (let i = 0; i < marketFile.length; i++) {
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let stairs = {
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open: undefined,
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close: undefined,
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min: 10000000000000,
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max: 0,
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begin: undefined,
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end: undefined,
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direction: undefined,
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candleCount: 0,
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firstMin: 0,
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firstMax: 0,
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lastMin: 0,
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lastMax: 0
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};
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stairs.open = marketFile[i][0];
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stairs.close = marketFile[i][1];
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stairs.min = marketFile[i][2];
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stairs.max = marketFile[i][3];
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stairs.begin = marketFile[i][4];
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stairs.end = marketFile[i][5];
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stairs.direction = marketFile[i][6];
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stairs.candleCount = marketFile[i][7];
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stairs.firstMin = marketFile[i][8];
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stairs.firstMax = marketFile[i][9];
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stairs.lastMin = marketFile[i][10];
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stairs.lastMax = marketFile[i][11];
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if (stairs.begin >= leftDate.valueOf() && stairs.end <= rightDate.valueOf()) {
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stairsArray.push(stairs);
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if (datetime.valueOf() >= stairs.begin && datetime.valueOf() <= stairs.end) {
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thisObject.currentStair = stairs;
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thisObject.container.eventHandler.raiseEvent("Current Candle-Stairs Changed", thisObject.currentStair);
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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] recalculateUsingMarketFiles -> err = " + err.stack); }
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}
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}
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function recalculateScale() {
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try {
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if (coordinateSystem.maxValue > 0) { return; } // Already calculated.
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let minValue = {
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x: MIN_PLOTABLE_DATE.valueOf(),
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y: 0
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};
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let maxValue = {
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x: MAX_PLOTABLE_DATE.valueOf(),
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y: nextPorwerOf10(MAX_DEFAULT_RATE_SCALE_VALUE) / 4 // TODO: This 4 is temporary
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};
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coordinateSystem.initialize(
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minValue,
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maxValue,
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thisObject.container.frame.width,
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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] recalculateScale -> 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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if (stairsArray.length > 0) {
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for (var i = 0; i < stairsArray.length; i++) {
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stairs = stairsArray[i];
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let stairsPoint1;
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let stairsPoint2;
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let stairsPoint3;
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let stairsPoint4;
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if (stairs.direction === 'up') {
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stairsPoint1 = {
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x: stairs.begin + timeFrame / 7 * 5.5,
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y: stairs.firstMin
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};
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stairsPoint2 = {
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x: stairs.end - timeFrame / 7 * 1.5,
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y: stairs.lastMin
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};
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stairsPoint3 = {
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x: stairs.end - timeFrame / 7 * 5.5,
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y: stairs.lastMax
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};
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stairsPoint4 = {
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x: stairs.begin + timeFrame / 7 * 1.5,
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y: stairs.firstMax
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};
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} else {
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stairsPoint1 = {
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x: stairs.begin + timeFrame / 7 * 1.5,
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y: stairs.firstMin
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};
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stairsPoint2 = {
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x: stairs.end - timeFrame / 7 * 5.5,
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y: stairs.lastMin
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};
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stairsPoint3 = {
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x: stairs.end - timeFrame / 7 * 1.5,
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y: stairs.lastMax
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};
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stairsPoint4 = {
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x: stairs.begin + timeFrame / 7 * 5.5,
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y: stairs.firstMax
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};
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}
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stairsPoint1 = coordinateSystem.transformThisPoint(stairsPoint1);
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stairsPoint2 = coordinateSystem.transformThisPoint(stairsPoint2);
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stairsPoint3 = coordinateSystem.transformThisPoint(stairsPoint3);
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stairsPoint4 = coordinateSystem.transformThisPoint(stairsPoint4);
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stairsPoint1 = transformThisPoint(stairsPoint1, thisObject.container);
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stairsPoint2 = transformThisPoint(stairsPoint2, thisObject.container);
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stairsPoint3 = transformThisPoint(stairsPoint3, thisObject.container);
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stairsPoint4 = transformThisPoint(stairsPoint4, thisObject.container);
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if (stairsPoint2.x < canvas.chartSpace.viewport.visibleArea.bottomLeft.x || stairsPoint1.x > canvas.chartSpace.viewport.visibleArea.bottomRight.x) {
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continue;
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}
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stairsPoint1 = canvas.chartSpace.viewport.fitIntoVisibleArea(stairsPoint1);
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stairsPoint2 = canvas.chartSpace.viewport.fitIntoVisibleArea(stairsPoint2);
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stairsPoint3 = canvas.chartSpace.viewport.fitIntoVisibleArea(stairsPoint3);
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stairsPoint4 = canvas.chartSpace.viewport.fitIntoVisibleArea(stairsPoint4);
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stairsPoint1 = thisObject.fitFunction(stairsPoint1);
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stairsPoint2 = thisObject.fitFunction(stairsPoint2);
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stairsPoint3 = thisObject.fitFunction(stairsPoint3);
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stairsPoint4 = thisObject.fitFunction(stairsPoint4);
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browserCanvasContext.beginPath();
|
|
|
|
browserCanvasContext.moveTo(stairsPoint1.x, stairsPoint1.y);
|
|
browserCanvasContext.lineTo(stairsPoint2.x, stairsPoint2.y);
|
|
browserCanvasContext.lineTo(stairsPoint3.x, stairsPoint3.y);
|
|
browserCanvasContext.lineTo(stairsPoint4.x, stairsPoint4.y);
|
|
|
|
browserCanvasContext.closePath();
|
|
|
|
let opacity = '0.25';
|
|
|
|
if (stairs.direction === 'up') { browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.PATINATED_TURQUOISE + ', ' + opacity + ')'; }
|
|
if (stairs.direction === 'down') { browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.RED + ', ' + opacity + ')'; }
|
|
|
|
if (stairs.direction === 'up') { browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.GREEN + ', ' + opacity + ')'; }
|
|
if (stairs.direction === 'down') { browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.RUSTED_RED + ', ' + opacity + ')'; }
|
|
|
|
if (userPositionDate >= stairs.begin && userPositionDate <= stairs.end) {
|
|
/* highlight the current stairs */
|
|
browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.TITANIUM_YELLOW + ', 0.1)'; // Current stairs accroding to time
|
|
}
|
|
|
|
browserCanvasContext.fill();
|
|
|
|
browserCanvasContext.lineWidth = 1;
|
|
browserCanvasContext.stroke();
|
|
}
|
|
}
|
|
|
|
} 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 onDragFinished() {
|
|
|
|
try {
|
|
|
|
recalculate();
|
|
|
|
} catch (err) {
|
|
|
|
if (ERROR_LOG === true) { logger.write("[ERROR] onDragFinished -> 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); }
|
|
|
|
}
|
|
}
|
|
}
|
|
|