540 lines
19 KiB
JavaScript
540 lines
19 KiB
JavaScript
/*
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Markets are a function of time. When watching them, end users must be positioned at one particular point in time. The system currently allows users
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to position themselves at any time they like.
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In the future, it will be usefull to explore markets and compare them at different times simultaneously. Anticipating that future this module exists.
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All the timelineCharts that depand on a datetime are children of this object Time Machine. In the future we will allow users to have more than one Time Machine,
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each one with it own timelineCharts, and each one positioned at an especific point in titme.
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*/
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function newTimeMachine () {
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const MODULE_NAME = 'Time Machine'
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const logger = newWebDebugLog()
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logger.fileName = MODULE_NAME
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let timeFrame = INITIAL_TIME_PERIOD
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let thisObject = {
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container: undefined,
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timeScale: undefined,
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rateScale: undefined,
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payload: undefined,
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timelineCharts: [],
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fitFunction: fitFunction,
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physics: physics,
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draw: draw,
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drawBackground: drawBackground,
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drawForeground: drawForeground,
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getContainer: getContainer, // returns the inner most container that holds the point received by parameter.
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initialize: initialize,
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finalize: finalize
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}
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let timeMachineCoordinateSystem = newCoordinateSystem()
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let mouse = {
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position: {
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x: 0,
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y: 0
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}
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}
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let drawScales = false
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let syncWithDesignerLoop = 0
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let timelineChartsMap = new Map()
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let onMouseOverEventSuscriptionId
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let onMouseNotOverEventSuscriptionId
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let timeScaleValueEventSuscriptionId
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let timeScaleMouseOverEventSuscriptionId
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let rateScaleValueEventSuscriptionId
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let rateScaleMouseOverEventSuscriptionId
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let timeFrameScaleEventSuscriptionId
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let timeFrameScaleMouseOverEventSuscriptionId
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setupContainer()
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return thisObject
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function setupContainer () {
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thisObject.container = newContainer()
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thisObject.container.initialize(MODULE_NAME)
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thisObject.container.fitFunction = thisObject.fitFunction
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thisObject.container.isDraggeable = true
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thisObject.container.insideViewport = true
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thisObject.container.detectMouseOver = true
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thisObject.container.frame.width = TIME_MACHINE_WIDTH
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thisObject.container.frame.height = TIME_MACHINE_HEIGHT
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}
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function finalize () {
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if (thisObject.timeScale !== undefined) {
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finalizeTimeScale()
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}
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if (thisObject.rateScale !== undefined) {
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finalizeRateScale()
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}
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if (thisObject.timeFrameScale !== undefined) {
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finalizeTimeFrameScale()
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}
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thisObject.container.eventHandler.stopListening(onMouseOverEventSuscriptionId)
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thisObject.container.eventHandler.stopListening(onMouseNotOverEventSuscriptionId)
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for (let i = 0; i < thisObject.timelineCharts.length; i++) {
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let timelineChart = thisObject.timelineCharts[i]
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timelineChart.container.eventHandler.stopListening(timelineChart.onChildrenMouseOverEventSuscriptionId)
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timelineChart.finalize()
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}
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thisObject.timelineCharts = undefined
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timelineChartsMap = undefined
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thisObject.fitFunction = undefined
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thisObject.container.finalize()
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thisObject.container = undefined
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thisObject.payload = undefined
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mouse = undefined
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}
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function finalizeTimeScale () {
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if (thisObject.timeScale === undefined) { return }
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thisObject.timeScale.container.eventHandler.stopListening(timeScaleValueEventSuscriptionId)
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thisObject.timeScale.container.eventHandler.stopListening(timeScaleMouseOverEventSuscriptionId)
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thisObject.timeScale.finalize()
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thisObject.timeScale = undefined
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}
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function finalizeRateScale () {
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if (thisObject.rateScale === undefined) { return }
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thisObject.rateScale.container.eventHandler.stopListening(rateScaleValueEventSuscriptionId)
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thisObject.rateScale.container.eventHandler.stopListening(rateScaleMouseOverEventSuscriptionId)
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thisObject.rateScale.finalize()
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thisObject.rateScale = undefined
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}
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function finalizeTimeFrameScale () {
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if (thisObject.timeFrameScale === undefined) { return }
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thisObject.timeFrameScale.container.eventHandler.stopListening(timeFrameScaleEventSuscriptionId)
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thisObject.timeFrameScale.container.eventHandler.stopListening(timeFrameScaleMouseOverEventSuscriptionId)
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thisObject.timeFrameScale.finalize()
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thisObject.timeFrameScale = undefined
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}
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function initialize (callBackFunction) {
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timeFrame = INITIAL_TIME_PERIOD
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loadFrame(thisObject.payload, thisObject.container.frame)
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recalculateCoordinateSystem()
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onMouseOverEventSuscriptionId = thisObject.container.eventHandler.listenToEvent('onMouseOver', onMouseOver)
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function onMouseOver (event) {
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drawScales = true
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mouse.position.x = event.x
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mouse.position.y = event.y
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if (thisObject.timeScale !== undefined) {
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thisObject.timeScale.onMouseOverSomeTimeMachineContainer(event)
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}
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if (thisObject.rateScale !== undefined) {
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thisObject.rateScale.onMouseOverSomeTimeMachineContainer(event)
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}
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if (thisObject.timeFrameScale !== undefined) {
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thisObject.timeFrameScale.onMouseOverSomeTimeMachineContainer(event)
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}
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}
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onMouseNotOverEventSuscriptionId = thisObject.container.eventHandler.listenToEvent('onMouseNotOver', onMouseNotOver)
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function onMouseNotOver (event) {
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drawScales = false
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if (thisObject.timeScale !== undefined) {
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thisObject.timeScale.visible = false
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}
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if (thisObject.rateScale !== undefined) {
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thisObject.rateScale.visible = false
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}
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if (thisObject.timeFrameScale !== undefined) {
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thisObject.timeFrameScale.visible = false
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}
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}
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callBackFunction(GLOBAL.DEFAULT_OK_RESPONSE)
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}
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function initializeTimeScale () {
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thisObject.timeScale = newTimeScale()
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thisObject.timeScale.fitFunction = thisObject.fitFunction
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thisObject.timeScale.payload = thisObject.payload.node.timeScale.payload
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timeScaleValueEventSuscriptionId = thisObject.timeScale.container.eventHandler.listenToEvent('Time Scale Value Changed', timeScaleValueChanged)
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timeScaleMouseOverEventSuscriptionId = thisObject.timeScale.container.eventHandler.listenToEvent('onMouseOverScale', timeScaleMouseOver)
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thisObject.timeScale.initialize(timeMachineCoordinateSystem, thisObject.container)
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function timeScaleValueChanged (event) {
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thisObject.container.frame.width = TIME_MACHINE_WIDTH * event.scale
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recalculateCoordinateSystem()
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if (event.isUserAction === true) {
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moveToUserPosition(thisObject.container, timeMachineCoordinateSystem, false, true, event.mousePosition, true)
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}
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thisObject.container.eventHandler.raiseEvent('Dimmensions Changed', event)
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}
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function timeScaleMouseOver (event) {
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thisObject.container.eventHandler.raiseEvent('onMouseOver', event)
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}
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}
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function initializeRateScale () {
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thisObject.rateScale = newRateScale()
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thisObject.rateScale.fitFunction = thisObject.fitFunction
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thisObject.rateScale.payload = thisObject.payload.node.rateScale.payload
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rateScaleValueEventSuscriptionId = thisObject.rateScale.container.eventHandler.listenToEvent('Rate Scale Value Changed', rateScaleValueChanged)
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rateScaleMouseOverEventSuscriptionId = thisObject.rateScale.container.eventHandler.listenToEvent('onMouseOverScale', rateScaleMouseOver)
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thisObject.rateScale.initialize(timeMachineCoordinateSystem, thisObject.container)
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function rateScaleValueChanged (event) {
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thisObject.container.frame.height = TIME_MACHINE_HEIGHT * event.scale
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recalculateCoordinateSystem()
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if (event.isUserAction === true) {
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moveToUserPosition(thisObject.container, timeMachineCoordinateSystem, true, false, event.mousePosition, true)
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}
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thisObject.container.eventHandler.raiseEvent('Dimmensions Changed', event)
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thisObject.container.eventHandler.raiseEvent('Upstream Rate Scale Value Changed', event)
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}
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function rateScaleMouseOver (event) {
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thisObject.container.eventHandler.raiseEvent('onMouseOver', event)
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}
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}
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function initializeTimeFrameScale () {
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thisObject.timeFrameScale = newTimeFrameScale()
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thisObject.timeFrameScale.fitFunction = thisObject.fitFunction
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thisObject.timeFrameScale.payload = thisObject.payload.node.timeFrameScale.payload
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timeFrameScaleEventSuscriptionId = thisObject.timeFrameScale.container.eventHandler.listenToEvent('Time Frame Value Changed', timeFrameScaleValueChanged)
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timeFrameScaleMouseOverEventSuscriptionId = thisObject.timeFrameScale.container.eventHandler.listenToEvent('onMouseOverScale', timeFrameScaleMouseOver)
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thisObject.timeFrameScale.initialize(timeMachineCoordinateSystem, thisObject.container)
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function timeFrameScaleValueChanged (event) {
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let currentTimeFrame = timeFrame
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timeFrame = event.timeFrame
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if (timeFrame !== currentTimeFrame) {
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for (let i = 0; i < thisObject.timelineCharts.length; i++) {
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let timelineChart = thisObject.timelineCharts[i]
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timelineChart.upstreamTimeFrame = timeFrame
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if (timelineChart.timeFrameScale === undefined) {
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timelineChart.setTimeFrame(timeFrame)
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}
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}
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}
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}
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function timeFrameScaleMouseOver (event) {
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thisObject.container.eventHandler.raiseEvent('onMouseOver', event)
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}
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}
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function getContainer (point, purpose) {
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let container
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if (thisObject.rateScale !== undefined) {
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container = thisObject.rateScale.getContainer(point)
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if (container !== undefined) {
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if (container.isForThisPurpose(purpose)) {
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return container
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}
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}
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}
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if (thisObject.timeScale !== undefined) {
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container = thisObject.timeScale.getContainer(point)
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if (container !== undefined) {
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if (container.isForThisPurpose(purpose)) {
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return container
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}
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}
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}
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if (thisObject.timeFrameScale !== undefined) {
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container = thisObject.timeFrameScale.getContainer(point)
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if (container !== undefined) {
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if (container.isForThisPurpose(purpose)) {
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return container
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}
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}
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}
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for (let i = 0; i < thisObject.timelineCharts.length; i++) {
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container = thisObject.timelineCharts[i].getContainer(point, purpose)
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if (container !== undefined) {
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if (container.isForThisPurpose(purpose)) {
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if (thisObject.container.frame.isThisPointHere(point) === true) {
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return container
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}
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}
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}
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}
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if (thisObject.container.frame.isThisPointHere(point) === true) {
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return thisObject.container
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}
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}
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function fitFunction (point, fullVisible, margin, topMargin, bottomMargin) {
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/* We prevent a point to be out of the container AND out of the Chart Space in general */
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let returnPoint = {
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x: point.x,
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y: point.y
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}
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let upCorner = {
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x: 0,
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y: 0
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}
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let bottonCorner = {
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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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upCorner = transformThisPoint(upCorner, thisObject.container)
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bottonCorner = transformThisPoint(bottonCorner, thisObject.container)
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/* Checking against the container limits. */
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if (margin === undefined) { margin = 0 }
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if (topMargin === undefined) { topMargin = 0 }
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if (bottomMargin === undefined) { bottomMargin = 0 }
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if (returnPoint.x - margin < upCorner.x) { returnPoint.x = upCorner.x + margin }
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if (returnPoint.x + margin > bottonCorner.x) { returnPoint.x = bottonCorner.x - margin }
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if (returnPoint.y - margin - topMargin < upCorner.y) { returnPoint.y = upCorner.y + margin + topMargin }
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if (returnPoint.y + margin + bottomMargin > bottonCorner.y) { returnPoint.y = bottonCorner.y - margin - bottomMargin }
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returnPoint = canvas.chartSpace.fitFunction(returnPoint, fullVisible)
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return returnPoint
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}
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function physics () {
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thisObjectPhysics()
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childrenPhysics()
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syncWithDesigner()
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saveFrame(thisObject.payload, thisObject.container.frame)
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}
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function syncWithDesigner () {
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syncWithDesignerTimelineCharts()
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syncWithDesignerScales()
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}
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function syncWithDesignerScales () {
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if (thisObject.payload.node === undefined) {
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finalizeTimeScale()
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finalizeRateScale()
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finalizeTimeFrameScale()
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return
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}
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if (thisObject.payload.node.timeScale === undefined && thisObject.timeScale !== undefined) {
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finalizeTimeScale()
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}
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if (thisObject.payload.node.timeScale !== undefined && thisObject.timeScale === undefined) {
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initializeTimeScale()
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}
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if (thisObject.payload.node.rateScale === undefined && thisObject.rateScale !== undefined) {
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finalizeRateScale()
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}
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if (thisObject.payload.node.rateScale !== undefined && thisObject.rateScale === undefined) {
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initializeRateScale()
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}
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if (thisObject.payload.node.timeFrameScale === undefined && thisObject.timeFrameScale !== undefined) {
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finalizeTimeFrameScale()
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}
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if (thisObject.payload.node.timeFrameScale !== undefined && thisObject.timeFrameScale === undefined) {
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initializeTimeFrameScale()
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}
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}
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function syncWithDesignerTimelineCharts () {
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syncWithDesignerLoop = syncWithDesignerLoop + 0.00000000001
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for (let j = 0; j < thisObject.payload.node.timelineCharts.length; j++) {
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let node = thisObject.payload.node.timelineCharts[j]
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let timelineChart = timelineChartsMap.get(node.id)
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if (timelineChart === undefined) {
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/* The timeline timelineChart node is new, thus we need to initialize a new timelineChart */
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initializeTimelineChart(node, syncWithDesignerLoop)
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} else {
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/* The time machine already exists, we tag it as existing at the current loop. */
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timelineChart.syncWithDesignerLoop = syncWithDesignerLoop
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}
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}
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/* We check all the timeMachines we have to see if we need to remove any of them */
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for (let i = 0; i < thisObject.timelineCharts.length; i++) {
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let timelineChart = thisObject.timelineCharts[i]
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if (timelineChart.syncWithDesignerLoop < syncWithDesignerLoop) {
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/* Must be removed */
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timelineChart.container.eventHandler.stopListening(timelineChart.onChildrenMouseOverEventSuscriptionId)
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timelineChart.finalize()
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timelineChartsMap.delete(timelineChart.nodeId)
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thisObject.timelineCharts.splice(i, 1)
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/* We remove one at the time */
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return
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}
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}
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function initializeTimelineChart (node, syncWithDesignerLoop) {
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let timelineChart = newTimelineChart()
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timelineChart.syncWithDesignerLoop = syncWithDesignerLoop
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timelineChart.payload = node.payload
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timelineChart.nodeId = node.id
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timelineChartsMap.set(node.id, timelineChart)
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timelineChart.payload.uiObject.setValue('Loading...')
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/* Setting up the new timeline timelineChart. */
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timelineChart.container.connectToParent(thisObject.container, true, true, false, true, true, true, false, false, true)
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timelineChart.container.fitFunction = thisObject.container.fitFunction
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timelineChart.fitFunction = thisObject.fitFunction
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timelineChart.container.frame.width = thisObject.container.frame.width
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timelineChart.container.frame.height = thisObject.container.frame.height
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timelineChart.container.frame.position.x = 0
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timelineChart.container.frame.position.y = 0
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timelineChart.initialize(timeMachineCoordinateSystem)
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/* we will store the event suscription id as a property of the timelineChart, to avoid keeping it an a separate array */
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timelineChart.onChildrenMouseOverEventSuscriptionId = timelineChart.container.eventHandler.listenToEvent('onChildrenMouseOver', onChildrenMouseOver)
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thisObject.timelineCharts.push(timelineChart)
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timelineChart.payload.uiObject.setValue('')
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function onChildrenMouseOver (event) {
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thisObject.container.eventHandler.raiseEvent('onMouseOver', event)
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}
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}
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}
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function thisObjectPhysics () {
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/* Screen Corner Date Calculation */
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let point = {
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x: 0,
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y: 0
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}
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let cornerDate = getDateFromPoint(point, thisObject.container, timeMachineCoordinateSystem)
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cornerDate = new Date(cornerDate)
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window.localStorage.setItem('Date @ Screen Corner', cornerDate.toUTCString())
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}
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function childrenPhysics () {
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if (thisObject.timeScale !== undefined) {
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thisObject.timeScale.physics()
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}
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if (thisObject.rateScale !== undefined) {
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thisObject.rateScale.physics()
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}
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if (thisObject.timeFrameScale !== undefined) {
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thisObject.timeFrameScale.physics()
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}
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for (let i = 0; i < thisObject.timelineCharts.length; i++) {
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let timelineChart = thisObject.timelineCharts[i]
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timelineChart.physics()
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}
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}
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function drawBackground () {
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if (thisObject.container.frame.isInViewPort()) {
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for (let i = 0; i < thisObject.timelineCharts.length; i++) {
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let timelineChart = thisObject.timelineCharts[i]
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timelineChart.drawBackground()
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}
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}
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}
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function draw () {
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if (thisObject.container.frame.isInViewPort()) {
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for (let i = 0; i < thisObject.timelineCharts.length; i++) {
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let timelineChart = thisObject.timelineCharts[i]
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timelineChart.draw()
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}
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if (drawScales === true) {
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if (thisObject.timeScale !== undefined) { thisObject.timeScale.draw() }
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if (thisObject.timeFrameScale !== undefined) { thisObject.timeFrameScale.draw() }
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if (thisObject.rateScale !== undefined) { thisObject.rateScale.draw() }
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}
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thisObject.container.frame.draw(false, true, false, thisObject.fitFunction)
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} else {
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let icon = canvas.designerSpace.iconByUiObjectType.get(thisObject.payload.node.type)
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if (icon !== undefined) {
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if (icon.canDrawIcon === true) {
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let imageSize = 40
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let imagePosition = {
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x: thisObject.container.frame.width / 2,
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y: thisObject.container.frame.height / 2
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}
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imagePosition = transformThisPoint(imagePosition, thisObject.container)
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imagePosition = thisObject.fitFunction(imagePosition, true)
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browserCanvasContext.drawImage(
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icon,
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imagePosition.x - imageSize / 2,
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imagePosition.y - imageSize / 2,
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imageSize,
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imageSize)
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}
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}
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}
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}
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function drawForeground () {
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if (thisObject.container.frame.isInViewPort()) {
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for (let i = 0; i < thisObject.timelineCharts.length; i++) {
|
|
let timelineChart = thisObject.timelineCharts[i]
|
|
timelineChart.drawForeground()
|
|
}
|
|
|
|
if (drawScales === true) {
|
|
if (thisObject.timeScale !== undefined) { thisObject.timeScale.drawForeground() }
|
|
if (thisObject.timeFrameScale !== undefined) { thisObject.timeFrameScale.drawForeground() }
|
|
if (thisObject.rateScale !== undefined) { thisObject.rateScale.drawForeground() }
|
|
}
|
|
}
|
|
}
|
|
|
|
function recalculateCoordinateSystem () {
|
|
let minValue = {
|
|
x: MIN_PLOTABLE_DATE.valueOf(),
|
|
y: 0
|
|
}
|
|
|
|
let maxValue = {
|
|
x: MAX_PLOTABLE_DATE.valueOf(),
|
|
y: nextPorwerOf10(USDT_BTC_HTH) / 4
|
|
}
|
|
|
|
timeMachineCoordinateSystem.initialize(
|
|
minValue,
|
|
maxValue,
|
|
thisObject.container.frame.width,
|
|
thisObject.container.frame.height
|
|
)
|
|
}
|
|
}
|