455 lines
15 KiB
JavaScript
455 lines
15 KiB
JavaScript
/*
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The chart space is where all the charts live. What this space contains is a type of object we call Time Machine. A Time Machine is a cointainer of
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charts objects. The idea is simple, all the chart objects are ploted according to the time of the Time Machine object. When the time of the Time Machine
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changes, then all charts in it are replotted with the corresponging data.
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*/
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function newChartingSpace() {
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const MODULE_NAME = 'Charting Space'
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const ERROR_LOG = true
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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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visible: false,
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container: undefined,
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inViewport: undefined,
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timeMachines: undefined,
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viewport: undefined,
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payload: undefined,
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findTimeMachine: findTimeMachine,
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onKeyPressed: onKeyPressed,
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reset: reset,
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oneScreenUp: oneScreenUp,
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oneScreenDown: oneScreenDown,
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oneScreenLeft: oneScreenLeft,
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oneScreenRight: oneScreenRight,
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fitFunction: fitFunction,
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isThisPointVisible: isThisPointVisible,
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physics: physics,
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draw: draw,
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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 canvasBrowserResizedEventSubscriptionId
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let timeMachinesMap
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let syncWithDesignerLoop
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const PERCENTAGE_OF_SCREEN_FOR_DISPLACEMENT = 25
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initialSetup()
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let isInitialized = false
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return thisObject
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function reset() {
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finalize()
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initialSetup()
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isInitialized = false
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initialize()
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}
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function initialSetup() {
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thisObject.timeMachines = []
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thisObject.visible = true
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timeMachinesMap = new Map()
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syncWithDesignerLoop = 0
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thisObject.inViewport = new Map()
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thisObject.container = newContainer()
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thisObject.container.initialize(MODULE_NAME)
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thisObject.container.isDraggeable = false
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thisObject.container.isWheelable = false
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}
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function finalize() {
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for (let i = 0; i < thisObject.timeMachines.length; i++) {
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let timeMachine = thisObject.timeMachines[i]
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timeMachine.finalize()
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}
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thisObject.inViewport = undefined
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thisObject.timeMachines = undefined
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timeMachinesMap = undefined
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thisObject.container.eventHandler.stopListening(canvasBrowserResizedEventSubscriptionId)
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thisObject.container.finalize()
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thisObject.container = undefined
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if (thisObject.viewport !== undefined) {
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thisObject.viewport.finalize()
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thisObject.viewport = undefined
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}
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thisObject.payload = undefined
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}
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function initialize() {
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if (isInitialized === true) { return }
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if (canvas.designSpace === undefined) { return }
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if (canvas.designSpace.workspace === undefined) { return }
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let rootNodes = canvas.designSpace.workspace.workspaceNode.rootNodes
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for (let i = 0; i < rootNodes.length; i++) {
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let rootNode = rootNodes[i]
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if (rootNode !== null) {
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if (rootNode.type === 'Charting Space') {
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thisObject.payload = rootNode.payload
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}
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}
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}
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if (thisObject.payload === undefined) {
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// if (ERROR_LOG === true) { logger.write('[WARN] initialize -> There must exist a Charting Space at the Design Space in order to enable Charts. PLease create one and refreash your browser. ') }
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return
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}
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thisObject.viewport = newViewport()
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if (thisObject.payload.node.viewport === undefined) {
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if (ERROR_LOG === true) { logger.write('[WARN] initialize -> There must exist a Viewport node attached to the Charting Space node in order for the Viewport save its properties. ') }
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return
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} else {
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thisObject.viewport.payload = thisObject.payload.node.viewport.payload
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}
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thisObject.viewport.initialize()
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canvasBrowserResizedEventSubscriptionId = canvas.eventHandler.listenToEvent('Browser Resized', resize)
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isInitialized = true
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}
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function getContainer(point, purpose) {
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if (thisObject.visible !== true) { return }
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if (thisObject.viewport === undefined) { return }
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if (thisObject.viewport.isThisPointInViewport(point) === false) { return }
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let container
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/* This first step is not actually to get the container but to allow things to be turned off in case there is a switch of focus from one time machine to another */
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for (let i = 0; i < thisObject.timeMachines.length; i++) {
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container = thisObject.timeMachines[i].container
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if (purpose === GET_CONTAINER_PURPOSE.MOUSE_OVER) {
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container.eventHandler.raiseEvent('onMouseNotOver')
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}
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}
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/*
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Now we see which is the inner most container that has it.
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In this case we will ask all the time machines even if one of them already returned a matching container.
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This will help the others know they are not on ofcus
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*/
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let containerFound
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for (let i = 0; i < thisObject.timeMachines.length; i++) {
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container = thisObject.timeMachines[i].getContainer(point, purpose)
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if (container !== undefined) {
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if (purpose !== undefined) {
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if (containerFound === undefined) {
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containerFound = container
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}
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} else {
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if (thisObject.container.frame.isThisPointHere(point, true) === true) {
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if (containerFound === undefined) {
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containerFound = container
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}
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}
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}
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}
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}
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if (containerFound !== undefined) {
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containerFound.space = 'Charting Space'
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return containerFound
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}
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if (thisObject.container.frame.isThisPointHere(point, true) === true) {
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thisObject.container.space = 'Charting Space'
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return thisObject.container
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} else {
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return undefined
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}
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}
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function resize() {
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thisObject.viewport.resize()
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thisObject.container.frame.width = browserCanvas.width
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thisObject.container.frame.height = COCKPIT_SPACE_POSITION
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}
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function oneScreenUp() {
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if (thisObject.visible === false) { return }
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let displaceVector = {
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x: 0,
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y: browserCanvas.height * PERCENTAGE_OF_SCREEN_FOR_DISPLACEMENT / 100
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}
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canvas.chartingSpace.viewport.displace(displaceVector)
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}
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function oneScreenDown() {
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if (thisObject.visible === false) { return }
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let displaceVector = {
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x: 0,
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y: -browserCanvas.height * PERCENTAGE_OF_SCREEN_FOR_DISPLACEMENT / 100
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}
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canvas.chartingSpace.viewport.displace(displaceVector)
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}
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function oneScreenLeft() {
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if (thisObject.visible === false) { return }
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let displaceVector = {
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x: browserCanvas.width * PERCENTAGE_OF_SCREEN_FOR_DISPLACEMENT / 100,
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y: 0
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}
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canvas.chartingSpace.viewport.displace(displaceVector, true)
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}
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function oneScreenRight() {
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if (thisObject.visible === false) { return }
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let displaceVector = {
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x: -browserCanvas.width * PERCENTAGE_OF_SCREEN_FOR_DISPLACEMENT / 100,
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y: 0
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}
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canvas.chartingSpace.viewport.displace(displaceVector, true)
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}
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function fitFunction(point, fullVisible) {
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/* Here we check the boundaries of the resulting points, so they dont go out of the visible area. */
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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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if (point.x > browserCanvas.width) {
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returnPoint.x = browserCanvas.width
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}
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if (point.x < 0) {
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returnPoint.x = 0
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}
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if (fullVisible === true) {
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if (point.y > COCKPIT_SPACE_POSITION) {
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returnPoint.y = COCKPIT_SPACE_POSITION
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}
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} else {
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if (point.y > COCKPIT_SPACE_POSITION + COCKPIT_SPACE_HEIGHT / 2) {
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returnPoint.y = COCKPIT_SPACE_POSITION + COCKPIT_SPACE_HEIGHT / 2
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}
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}
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if (point.y < TOP_SPACE_HEIGHT) {
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returnPoint.y = TOP_SPACE_HEIGHT
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}
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return returnPoint
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}
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function isThisPointVisible(point) {
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if (point.x > browserCanvas.width) {
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return false
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}
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if (point.x < 0) {
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return false
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}
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if (point.y > COCKPIT_SPACE_POSITION + COCKPIT_SPACE_HEIGHT / 2) {
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return false
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}
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if (point.y < 0) {
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return false
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}
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return true
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}
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function physics() {
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initialize()
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thisObjectPhysics()
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if (thisObject.visible !== true) { return }
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if (thisObject.viewport !== undefined) {
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thisObject.viewport.physics()
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}
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childrenPhysics()
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syncWithDesigner()
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}
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function onKeyPressed(event) {
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if (thisObject.visible !== true) { return }
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for (let j = 0; j < thisObject.timeMachines.length; j++) {
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let timeMachine = thisObject.timeMachines[j]
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if (timeMachine.onFocus === true) {
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timeMachine.onKeyPressed(event)
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}
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}
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}
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function findTimeMachine(node) {
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for (let i = 0; i < thisObject.timeMachines.length; i++) {
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let timeMachine = thisObject.timeMachines[i]
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if (timeMachine.payload.node.id === node.id) {
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return timeMachine
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}
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}
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}
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function syncWithDesigner() {
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if (thisObject.payload === undefined) { return }
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if (thisObject.payload.node === undefined) { return }
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syncWithDesignerLoop = syncWithDesignerLoop + 0.00000000001
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if (thisObject.payload.node.dashboards !== undefined) {
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for (let i = 0; i < thisObject.payload.node.dashboards.length; i++) {
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let dashboard = thisObject.payload.node.dashboards[i]
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if (dashboard.timeMachines !== undefined) {
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for (let j = 0; j < dashboard.timeMachines.length; j++) {
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let node = dashboard.timeMachines[j]
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let timeMachine = timeMachinesMap.get(node.id)
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if (timeMachine === undefined) {
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/* The time machine node is new, thus we need to initialize a new timeMachine */
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initializeTimeMachine(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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timeMachine.syncWithDesignerLoop = syncWithDesignerLoop
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}
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}
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}
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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.timeMachines.length; i++) {
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let timeMachine = thisObject.timeMachines[i]
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if (timeMachine.syncWithDesignerLoop < syncWithDesignerLoop) {
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/* Must be removed */
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timeMachine.finalize()
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timeMachinesMap.delete(timeMachine.nodeId)
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thisObject.timeMachines.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 initializeTimeMachine(node, syncWithDesignerLoop) {
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if (node.payload === undefined) { return } // not ready to consider this Time Machine
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if (node.payload.uiObject === undefined) { return }
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let timeMachine = newTimeMachine()
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timeMachine.syncWithDesignerLoop = syncWithDesignerLoop
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timeMachine.payload = node.payload
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timeMachine.nodeId = node.id
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timeMachinesMap.set(node.id, timeMachine)
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timeMachine.payload.uiObject.setValue('Loading...')
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/* Setting up the new time machine. */
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timeMachine.initialize(onTimeMachineInitialized)
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function onTimeMachineInitialized() {
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thisObject.timeMachines.push(timeMachine)
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timeMachine.payload.uiObject.setValue('')
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if (canvas.chartingSpace.viewport !== undefined) {
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canvas.chartingSpace.viewport.raiseEvents() // These events will impacts on objects just initialized.
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}
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}
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}
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}
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function thisObjectPhysics() {
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thisObject.container.frame.height = COCKPIT_SPACE_POSITION
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if (thisObject.container.frame.height <= TOP_SPACE_HEIGHT) {
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thisObject.visible = false
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if (thisObject.viewport !== undefined) {
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thisObject.viewport.visible = false
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}
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} else {
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thisObject.visible = true
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if (thisObject.viewport !== undefined) {
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thisObject.viewport.visible = true
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}
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}
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if (canvas.chartingSpace.viewport !== undefined) {
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canvas.chartingSpace.viewport.resize()
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}
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}
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function childrenPhysics() {
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for (let i = 0; i < thisObject.timeMachines.length; i++) {
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let timeMachine = thisObject.timeMachines[i]
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if (timeMachine.payload.node === undefined) {
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continue
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}
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if (timeMachine.container.frame.isInViewPort()) {
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thisObject.inViewport.set(timeMachine.payload.node.id, timeMachine)
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} else {
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thisObject.inViewport.delete(timeMachine.payload.node.id)
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}
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timeMachine.physics()
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}
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}
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function drawBackground() {
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if (thisObject.visible === false) { return }
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drawSpaceBackground()
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for (let i = 0; i < thisObject.timeMachines.length; i++) {
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let timeMachine = thisObject.timeMachines[thisObject.timeMachines.length - i - 1]
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timeMachine.drawBackground()
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}
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}
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function draw() {
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if (CAN_SPACES_DRAW === false) { return }
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if (thisObject.visible === false) { return }
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drawBackground()
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for (let i = 0; i < thisObject.timeMachines.length; i++) {
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let timeMachine = thisObject.timeMachines[thisObject.timeMachines.length - i - 1]
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timeMachine.draw()
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}
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drawForeground()
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}
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function drawForeground() {
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for (let i = 0; i < thisObject.timeMachines.length; i++) {
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let timeMachine = thisObject.timeMachines[thisObject.timeMachines.length - i - 1]
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timeMachine.drawForeground()
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}
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}
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function drawSpaceBackground() {
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let opacity = '1'
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let fromPoint = {
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x: 0,
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y: 0
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}
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let toPoint = {
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x: browserCanvas.width,
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y: COCKPIT_SPACE_POSITION
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}
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browserCanvasContext.beginPath()
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browserCanvasContext.rect(fromPoint.x, fromPoint.y, toPoint.x - fromPoint.x, toPoint.y - fromPoint.y)
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browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.WHITE + ', ' + opacity + ')'
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browserCanvasContext.closePath()
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browserCanvasContext.fill()
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}
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}
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