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Canvas.js
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Canvas.js
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let browserCanvasContext // The context of the canvas object.
function newCanvas() {
const MODULE_NAME = 'Canvas'
const ERROR_LOG = true
const logger = newWebDebugLog()
logger.fileName = MODULE_NAME
/* Mouse event related variables. */
let containerDragStarted = false
let floatingObjectDragStarted = false
let containerBeingDragged
let viewPortBeingDragged = false
let ignoreNextClick = false
let dragVector = {
downX: 0,
downY: 0,
upX: 0,
upY: 0
}
/* canvas object */
let thisObject = {
eventHandler: undefined,
animation: undefined,
mouse: undefined,
shorcutNumbers: new Map(),
onKeyDown: onKeyDown,
initialize: initialize,
finalize: finalize
}
thisObject.eventHandler = newEventHandler()
let lastContainerMouseOver
thisObject.mouse = {
position: {
x: 0,
y: 0
},
action: ''
}
return thisObject
function finalize() {
try {
UI.projects.superalgos.spaces.tutorialSpace.finalize()
UI.projects.superalgos.spaces.docSpace.finalize()
//thisObject.chatSpace.finalize()
UI.projects.superalgos.spaces.sideSpace.finalize()
UI.projects.superalgos.spaces.chartingSpace.finalize()
UI.projects.superalgos.spaces.floatingSpace.finalize()
thisObject.shorcutNumbers = undefined
if (browserCanvas.removeEventListener) {
browserCanvas.removeEventListener('mousewheel', onMouseWheel, false)// IE9, Chrome, Safari, Opera
browserCanvas.removeEventListener('DOMMouseScroll', onMouseWheel, false) // Firefox
browserCanvas.removeEventListener('mousedown', onMouseDown, false)
browserCanvas.removeEventListener('mouseup', onMouseUp, false)
browserCanvas.removeEventListener('mousemove', onMouseMove, false)
browserCanvas.removeEventListener('click', onMouseClick, false)
browserCanvas.removeEventListener('mouseout', onMouseOut, false)
browserCanvas.removeEventListener('dragenter', onDragEnter, false)
browserCanvas.removeEventListener('dragleave', onDragLeave, false)
browserCanvas.removeEventListener('dragover', onDragOver, false)
browserCanvas.removeEventListener('drop', onDragDrop, false)
browserCanvas.removeEventListener('keydown', onKeyDown, false)
browserCanvas.removeEventListener('keyup', onKeyUp, false)
} else {
browserCanvas.detachEvent('onmousewheel', onMouseWheel) // IE 6/7/8
}
lastContainerMouseOver = undefined
thisObject.mouse = undefined
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] finalize -> err = ' + err.stack) }
}
}
function initialize() {
try {
browserResized()
initializeBrowserCanvas()
addCanvasEvents()
thisObject.animation = newAnimation()
thisObject.animation.initialize()
/*
Here we will setup the UI object, with all the
projects and spaces.
*/
for (let i = 0; i < PROJECTS_SCHEMA.length; i++) {
let projectDefinition = PROJECTS_SCHEMA[i]
UI.projects[projectDefinition.propertyName] = {}
let projectInstance = UI.projects[projectDefinition.propertyName]
projectInstance.spaces = {}
projectInstance.events = {}
projectInstance.utilities = {}
projectInstance.globals = {}
projectInstance.functionLibraries = {}
projectInstance.events.onMouseWheelMap = new Map()
projectInstance.events.onMouseOverMap = new Map()
projectInstance.events.onMouseClickMap = new Map()
projectInstance.events.onMouseDownMap = new Map()
let spaceInitializationMap = new Map()
let spaceAnimationPhysicsMap = new Map()
let spaceDefinitionPhysicsMap = new Map()
let spaceAnimationDrawMap = new Map()
let spaceDefinitionDrawMap = new Map()
/* Space Instantiation */
if (projectDefinition.spaces === undefined) { continue }
for (let j = 0; j < projectDefinition.spaces.length; j++) {
let spaceDefinition = projectDefinition.spaces[j]
projectInstance.spaces[spaceDefinition.propertyName] = eval(spaceDefinition.functionName + '()')
let spaceInstance = projectInstance.spaces[spaceDefinition.propertyName]
spaceInstance.definition = spaceDefinition
if (spaceDefinition.initializationIndex !== undefined) {
spaceInitializationMap.set(spaceDefinition.initializationIndex, spaceInstance)
}
if (spaceDefinition.animationPhysicsIndex !== undefined) {
spaceAnimationPhysicsMap.set(spaceDefinition.animationPhysicsIndex, spaceInstance)
spaceDefinitionPhysicsMap.set(spaceDefinition.animationPhysicsIndex, spaceDefinition)
}
if (spaceDefinition.animationDrawIndex !== undefined) {
spaceAnimationDrawMap.set(spaceDefinition.animationDrawIndex, spaceInstance)
spaceDefinitionDrawMap.set(spaceDefinition.animationDrawIndex, spaceDefinition)
}
/* Build the maps that defines the secuence of execution of different events. */
if (spaceDefinition.onMouseWheelIndex !== undefined) {
projectInstance.events.onMouseWheelMap.set(spaceDefinition.onMouseWheelIndex, spaceInstance)
}
if (spaceDefinition.onMouseOverIndex !== undefined) {
projectInstance.events.onMouseOverMap.set(spaceDefinition.onMouseOverIndex, spaceInstance)
}
if (spaceDefinition.onMouseOverIndex !== undefined) {
projectInstance.events.onMouseClickMap.set(spaceDefinition.onMouseClickIndex, spaceInstance)
}
if (spaceDefinition.onMouseDownIndex !== undefined) {
projectInstance.events.onMouseDownMap.set(spaceDefinition.onMouseDownIndex, spaceInstance)
}
}
/* Space Initialization */
for (let j = 0; j < projectDefinition.spaces.length; j++) {
let spaceInstance = spaceInitializationMap.get(j)
if (spaceInstance !== undefined) {
spaceInstance.initialize()
}
}
/* Space Animation Physics */
for (let j = 0; j < projectDefinition.spaces.length; j++) {
let spaceInstance = spaceAnimationPhysicsMap.get(j)
let spaceDefinition = spaceDefinitionPhysicsMap.get(j)
if (spaceInstance === undefined || spaceDefinition === undefined) { continue }
if (spaceInstance.physics !== undefined) {
thisObject.animation.addCallBackFunction(spaceDefinition.name + ' ' + 'Physics', spaceInstance.physics)
}
}
/* Space Animation Drawing*/
for (let j = 0; j < projectDefinition.spaces.length; j++) {
let spaceInstance = spaceAnimationDrawMap.get(j)
let spaceDefinition = spaceDefinitionDrawMap.get(j)
if (spaceInstance === undefined || spaceDefinition === undefined) { continue }
if (spaceInstance.draw !== undefined) {
thisObject.animation.addCallBackFunction(spaceDefinition.name + ' ' + 'Draw', spaceInstance.draw)
}
}
/* Set up Utilities of this Project */
if (projectDefinition.utilities !== undefined) {
for (let j = 0; j < projectDefinition.utilities.length; j++) {
let utilityDefinition = projectDefinition.utilities[j]
projectInstance.utilities[utilityDefinition.propertyName] = eval(utilityDefinition.functionName + '()')
}
}
/* Set up Globals of this Project */
if (projectDefinition.globals !== undefined) {
for (let j = 0; j < projectDefinition.globals.length; j++) {
let globalDefinition = projectDefinition.globals[j]
projectInstance.globals[globalDefinition.propertyName] = eval(globalDefinition.functionName + '()')
}
}
/* Set up Function Libraries of this Project */
if (projectDefinition.functionLibraries !== undefined) {
for (let j = 0; j < projectDefinition.functionLibraries.length; j++) {
let functionLibraryDefinition = projectDefinition.functionLibraries[j]
projectInstance.functionLibraries[functionLibraryDefinition.propertyName] = eval(functionLibraryDefinition.functionName + '()')
}
}
}
thisObject.animation.start()
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] initialize -> err = ' + err.stack) }
}
}
function initializeBrowserCanvas() {
try {
browserCanvasContext = browserCanvas.getContext('2d')
browserCanvasContext.font = 'Saira Condensed'
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] initializeBrowserCanvas -> err = ' + err.stack) }
}
}
function addCanvasEvents() {
try {
/* Keyboard events */
window.addEventListener('keydown', onKeyDown, true)
window.addEventListener('keyup', onKeyUp, true)
if (browserCanvas.addEventListener) {
canvas.eventHandler.listenToEvent('Browser Resized', browserResized)
/* Mouse Events */
browserCanvas.addEventListener('mousedown', onMouseDown, false)
browserCanvas.addEventListener('mouseup', onMouseUp, false)
browserCanvas.addEventListener('mousemove', onMouseMove, false)
browserCanvas.addEventListener('click', onMouseClick, false)
browserCanvas.addEventListener('mouseout', onMouseOut, false)
browserCanvas.addEventListener('mousewheel', onMouseWheel, false) // IE9, Chrome, Safari, Opera
browserCanvas.addEventListener('DOMMouseScroll', onMouseWheel, false) // Firefox
/* Dragging Files Over the Canvas */
browserCanvas.addEventListener('dragenter', onDragEnter, false)
browserCanvas.addEventListener('dragleave', onDragLeave, false)
browserCanvas.addEventListener('dragover', onDragOver, false)
browserCanvas.addEventListener('drop', onDragDrop, false)
} else browserCanvas.attachEvent('onmousewheel', onMouseWheel)// IE 6/7/8
// Disables the context menu when you right mouse click the canvas.
browserCanvas.oncontextmenu = function (e) {
e.preventDefault()
}
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] addCanvasEvents -> err = ' + err.stack) }
}
}
function browserResized() {
browserCanvas = document.getElementById('canvas')
browserCanvas.width = window.innerWidth
browserCanvas.height = window.innerHeight - CURRENT_TOP_MARGIN
browserCanvas.style = "position:absolute; top:0px; left:0px; z-index:1"
}
function checkMediaRecording(event) {
if ((event.ctrlKey === true || event.metaKey === true)) {
let constructorParams
switch (event.keyCode) {
case 113: { // F2
browserCanvas.width = 400 * 3
browserCanvas.height = 580 * 3
centerCanvas()
DISABLE_BROWSER_RESIZE_EVENT = true
return
break
}
case 114: { // F2
browserCanvas.width = 400 * 2
browserCanvas.height = 580 * 2
centerCanvas()
DISABLE_BROWSER_RESIZE_EVENT = true
return
break
}
case 115: { // F3
browserCanvas.width = 400 * 1.5
browserCanvas.height = 580 * 1.5
centerCanvas()
DISABLE_BROWSER_RESIZE_EVENT = true
return
break
}
case 116: { // F5
browserCanvas.width = 400 * 1
browserCanvas.height = 580 * 1
centerCanvas()
DISABLE_BROWSER_RESIZE_EVENT = true
return
break
}
case 117: { // F6
browserCanvas.width = window.innerWidth
browserCanvas.height = window.innerHeight - CURRENT_TOP_MARGIN
centerCanvas()
DISABLE_BROWSER_RESIZE_EVENT = false
return
break
}
case 118: { // F7
UI.projects.superalgos.utilities.download.downloadPanorama('Superalgos.Market.Panorama')
return
break
}
case 119: { // F8
UI.projects.superalgos.utilities.download.downloadCanvas('Superalgos.Image.Capture', browserCanvas)
return
break
}
case 120: { // F9
console.log('Recording gid with framerate = ' + 24)
constructorParams = { format: 'gif', workersPath: 'externalScripts/', framerate: 24, name: 'Superalgos.Video.Capture' }
break
}
case 121: { // F10
console.log('Recording gid with framerate = ' + 24)
constructorParams = { format: 'webm', framerate: 24, name: 'Superalgos.Video.Capture' }
break
}
default: return
}
if (ARE_WE_RECORDING_A_VIDEO === false) {
console.log('RECORDING', constructorParams.format)
mediaRecorder = new CCapture(constructorParams)
mediaRecorder.start()
ARE_WE_RECORDING_A_VIDEO = true
} else {
console.log('SAVING', constructorParams.format)
ARE_WE_RECORDING_A_VIDEO = false
mediaRecorder.stop()
mediaRecorder.save()
}
}
function centerCanvas() {
return
let top = (window.innerHeight - browserCanvas.height) / 2
let left = (window.innerWidth - browserCanvas.width) / 2
browserCanvas.style = "position:absolute; top:" + top + "px; left:" + left + "px; z-index:1"
}
}
function onKeyUp(event) {
thisObject.mouse.event = event
thisObject.mouse.action = 'key up'
}
async function onKeyDown(event) {
if (EDITOR_ON_FOCUS === true) { return }
thisObject.mouse.event = event
thisObject.mouse.action = 'key down'
checkMediaRecording(event)
UI.projects.superalgos.spaces.chartingSpace.onKeyPressed(event)
/* Shourcuts to Menu Items */
if ((event.keyCode >= 48 && event.keyCode <= 57)) {
let number = event.key
if (MENU_ITEM_ON_FOCUS !== undefined) {
let menuItem = thisObject.shorcutNumbers.get(number)
if (menuItem !== undefined) {
menuItem.shorcutNumber = undefined
}
thisObject.shorcutNumbers.set(number, MENU_ITEM_ON_FOCUS)
MENU_ITEM_ON_FOCUS.shorcutNumber = number
} else {
let menuItem = thisObject.shorcutNumbers.get(number)
if (menuItem !== undefined) {
menuItem.internalClick()
}
}
}
if (event.key === 'Escape' && UI.projects.superalgos.spaces.floatingSpace.inMapMode === true) {
UI.projects.superalgos.spaces.floatingSpace.exitMapMode()
}
if (event.shiftKey === true && (event.ctrlKey === true || event.metaKey === true) && (event.key === 'M' || event.key === 'm')) {
UI.projects.superalgos.spaces.floatingSpace.toggleMapMode()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === true || event.metaKey === true) && (event.key === 'R' || event.key === 'r')) {
UI.projects.superalgos.spaces.floatingSpace.toggleDrawReferenceLines()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === true || event.metaKey === true) && (event.key === 'C' || event.key === 'c')) {
UI.projects.superalgos.spaces.floatingSpace.toggleDrawChainLines()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === true || event.metaKey === true) && (event.key === 'S' || event.key === 's')) {
UI.projects.superalgos.spaces.designSpace.workspace.save()
if (event.preventDefault !== undefined) {
event.preventDefault()
}
return
}
let nodeOnFocus = await UI.projects.superalgos.spaces.designSpace.workspace.getNodeThatIsOnFocus()
if (nodeOnFocus !== undefined) {
if (nodeOnFocus.payload.uiObject.codeEditor !== undefined) {
if (nodeOnFocus.payload.uiObject.codeEditor.visible === true) {
return
}
}
if (nodeOnFocus.payload.uiObject.configEditor !== undefined) {
if (nodeOnFocus.payload.uiObject.configEditor.visible === true) {
return
}
}
if (nodeOnFocus.payload.uiObject.formulaEditor !== undefined) {
if (nodeOnFocus.payload.uiObject.formulaEditor.visible === true) {
return
}
}
if (nodeOnFocus.payload.uiObject.conditionEditor !== undefined) {
if (nodeOnFocus.payload.uiObject.conditionEditor.visible === true) {
return
}
}
if (nodeOnFocus.payload.uiObject.uiObjectTitle !== undefined) {
if (nodeOnFocus.payload.uiObject.uiObjectTitle.editMode === true) {
return
}
}
}
if ((event.ctrlKey === true || event.metaKey === true) && event.altKey === true && event.shiftKey === true && event.keyCode === 123) { // Dev Tool when used with F12
if (nodeOnFocus !== undefined) {
console.log(nodeOnFocus)
return
}
}
if ((event.ctrlKey === true || event.metaKey === true) && event.altKey === true && event.shiftKey === true && event.keyCode === 122) { // Dev Tool when used with F11
if (SHOW_ANIMATION_PERFORMACE === false) {
SHOW_ANIMATION_PERFORMACE = true
} else {
SHOW_ANIMATION_PERFORMACE = false
}
return
}
if (event.shiftKey === true && (event.ctrlKey === true || event.metaKey === true) && event.code === 'ArrowUp') {
UI.projects.superalgos.spaces.cockpitSpace.toTop()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === true || event.metaKey === true) && event.code === 'ArrowDown') {
UI.projects.superalgos.spaces.cockpitSpace.toBottom()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === true || event.metaKey === true) && event.code === 'ArrowLeft') {
UI.projects.superalgos.spaces.cockpitSpace.moveUp()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === true || event.metaKey === true) && event.code === 'ArrowRight') {
UI.projects.superalgos.spaces.cockpitSpace.moveDown()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === false && event.metaKey === false) && event.code === 'ArrowLeft') {
UI.projects.superalgos.spaces.chartingSpace.oneScreenLeft()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === false && event.metaKey === false) && event.code === 'ArrowRight') {
UI.projects.superalgos.spaces.chartingSpace.oneScreenRight()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === false && event.metaKey === false) && event.code === 'ArrowUp') {
UI.projects.superalgos.spaces.chartingSpace.oneScreenUp()
event.preventDefault()
return
}
if (event.shiftKey === true && (event.ctrlKey === false && event.metaKey === false) && event.code === 'ArrowDown') {
UI.projects.superalgos.spaces.chartingSpace.oneScreenDown()
event.preventDefault()
return
}
if ((event.ctrlKey === true || event.metaKey === true) && event.shiftKey === false && event.code === 'ArrowLeft') {
let displaceVector = UI.projects.superalgos.spaces.floatingSpace.oneScreenLeft()
if (displaceVector !== undefined) {
dragVector.downX = dragVector.downX + displaceVector.x
dragVector.downY = dragVector.downY + displaceVector.y
checkDrag()
}
event.preventDefault()
return
}
if ((event.ctrlKey === true || event.metaKey === true) && event.shiftKey === false && event.code === 'ArrowRight') {
let displaceVector = UI.projects.superalgos.spaces.floatingSpace.oneScreenRight()
if (displaceVector !== undefined) {
dragVector.downX = dragVector.downX + displaceVector.x
dragVector.downY = dragVector.downY + displaceVector.y
checkDrag()
}
event.preventDefault()
return
}
if ((event.ctrlKey === true || event.metaKey === true) && event.shiftKey === false && event.code === 'ArrowUp') {
let displaceVector = UI.projects.superalgos.spaces.floatingSpace.oneScreenUp()
if (displaceVector !== undefined) {
dragVector.downX = dragVector.downX + displaceVector.x
dragVector.downY = dragVector.downY + displaceVector.y
checkDrag()
}
event.preventDefault()
return
}
if ((event.ctrlKey === true || event.metaKey === true) && event.shiftKey === false && event.code === 'ArrowDown') {
let displaceVector = UI.projects.superalgos.spaces.floatingSpace.oneScreenDown()
if (displaceVector !== undefined) {
dragVector.downX = dragVector.downX + displaceVector.x
dragVector.downY = dragVector.downY + displaceVector.y
checkDrag()
}
event.preventDefault()
return
}
if (event.code === 'Period') {
if (nodeOnFocus !== undefined) {
nodeOnFocus.payload.uiObject.valueAtAngle = false
nodeOnFocus.payload.uiObject.setValue('Id: ' + nodeOnFocus.id)
return
}
}
if ((event.ctrlKey === true || event.metaKey === true) && event.altKey === true) {
/* Shortcuts to nodes */
if ((event.keyCode >= 48 && event.keyCode <= 57) || (event.keyCode >= 65 && event.keyCode <= 90)) {
/* From here we prevent the default behaviour. Putting it earlier prevents imput box and text area to receive keystrokes */
event.preventDefault()
let nodeUsingThisKey = await UI.projects.superalgos.spaces.designSpace.workspace.getNodeByShortcutKey(event.key)
if (nodeUsingThisKey !== undefined) {
if (nodeOnFocus !== undefined) {
if (nodeUsingThisKey.id === nodeOnFocus.id) {
nodeOnFocus.payload.uiObject.shortcutKey = ''
nodeOnFocus.payload.uiObject.valueAtAngle = false
nodeOnFocus.payload.uiObject.setValue('Shortcut Key Removed ')
} else {
nodeUsingThisKey.payload.uiObject.shortcutKey = ''
nodeUsingThisKey = undefined
nodeOnFocus.payload.uiObject.shortcutKey = event.key
nodeOnFocus.payload.uiObject.valueAtAngle = false
nodeOnFocus.payload.uiObject.setValue('Shortcut Key: Ctrl + Alt + ' + event.key)
}
} else {
UI.projects.superalgos.spaces.floatingSpace.positionAtNode(nodeUsingThisKey)
}
return
} else {
if (nodeOnFocus !== undefined) {
nodeOnFocus.payload.uiObject.shortcutKey = event.key
nodeOnFocus.payload.uiObject.valueAtAngle = false
nodeOnFocus.payload.uiObject.setValue('Shortcut Key: Ctrl + Alt + ' + event.key)
}
}
}
}
if ((event.ctrlKey === true || event.metaKey === true) && event.altKey === true && nodeOnFocus !== undefined) {
if (nodeOnFocus.payload.uiObject.shortcutKey !== undefined && nodeOnFocus.payload.uiObject.shortcutKey !== '') {
nodeOnFocus.payload.uiObject.valueAtAngle = false
nodeOnFocus.payload.uiObject.setValue('Shortcut Key: Ctrl + Alt + ' + nodeOnFocus.payload.uiObject.shortcutKey)
}
}
}
function onDragEnter(event) {
try {
event.preventDefault()
event.stopPropagation()
UI.projects.superalgos.spaces.cockpitSpace.toTop()
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onDragEnter -> err = ' + err.stack) }
}
}
function onDragLeave(event) {
try {
event.preventDefault()
event.stopPropagation()
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onDragLeave -> err = ' + err.stack) }
}
}
function onDragOver(event) {
try {
event.preventDefault()
event.stopPropagation()
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onDragOver -> err = ' + err.stack) }
}
}
function onDragDrop(event) {
try {
event.preventDefault()
event.stopPropagation()
let files = event.dataTransfer.files
handleFiles(files)
function handleFiles(files) {
([...files]).forEach(loadFileData)
}
function loadFileData(file) {
let reader = new FileReader()
reader.readAsText(file)
reader.onloadend = function () {
let mousePosition = {
x: event.x,
y: event.y
}
UI.projects.superalgos.spaces.designSpace.workspace.spawn(reader.result, mousePosition)
}
}
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onDragDrop -> err = ' + err.stack) }
}
}
function onMouseDown(event) {
try {
thisObject.mouse.event = event
thisObject.mouse.position.x = event.pageX
thisObject.mouse.position.y = event.pageY - CURRENT_TOP_MARGIN
switch (event.buttons) {
case 1: {
thisObject.mouse.action = 'clicking with left button'
break
}
case 2: {
thisObject.mouse.action = 'clicking with right button'
break
}
}
let point = event
point.x = event.pageX
point.y = event.pageY - CURRENT_TOP_MARGIN
dragVector.downX = point.x
dragVector.downY = point.y
let container
/*
We will go through all the spaces defined at the project schema for each project
and we are going to query each space to see if they have the container that is at
the mouse position. We will order firt the spaces by the sequence order defined
at the project schema specifically for this mouse event.
*/
for (let i = 0; i < PROJECTS_SCHEMA.length; i++) {
let projectDefinition = PROJECTS_SCHEMA[i]
let projectInstance = UI.projects[projectDefinition.propertyName]
for (let j = 0; j < projectDefinition.spaces.length; j++) {
let spaceInstance = projectInstance.events.onMouseDownMap.get(j)
if (spaceInstance === undefined) { continue }
/*
Here we manage a few exceptional behaviours. Specifically with the
charting space and the floating space, since they have a non standard
way of handling this event.
*/
if (spaceInstance.definition.name === 'Charting Space') {
/* we check if it is over any of the existing containers at the Charting Space. */
container = spaceInstance.getContainer(point, GET_CONTAINER_PURPOSE.DRAGGING)
if (container !== undefined) {
if (container.isDraggeable === true) {
containerBeingDragged = container
containerDragStarted = true
containerBeingDragged.eventHandler.raiseEvent('onDragStarted', point)
return
} else {
if (container.isClickeable === false) {
viewPortBeingDragged = true
}
return
}
}
continue
}
if (spaceInstance.definition.name === 'Floating Space') {
/* we check if it is over any of the existing containers at the Floating Space. */
container = spaceInstance.getContainer(point)
if (container !== undefined && container.isDraggeable === true) {
containerBeingDragged = container
containerDragStarted = true
floatingObjectDragStarted = true
containerBeingDragged.eventHandler.raiseEvent('onDragStarted', point)
if (event.candelDragging === true) {
containerBeingDragged = undefined
containerDragStarted = false
floatingObjectDragStarted = false
}
return
}
if (container !== undefined && container.isClickeable === true) {
/* We dont want to mess up with the click */
return
}
continue
}
/* Next is what happens to all non exceptional behaviour */
if (spaceInstance.getContainer === undefined) { continue }
container = spaceInstance.getContainer(point)
if (container !== undefined && container.isDraggeable === true) {
containerBeingDragged = container
containerDragStarted = true
containerBeingDragged.eventHandler.raiseEvent('onDragStarted', point)
return
}
if (container !== undefined && container.isDraggeable === false) {
return
}
if (container !== undefined && container.isClickeable === true) {
/* We dont want to mess up with the click */
return
}
}
}
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onMouseDown -> err = ' + err.stack) }
}
}
function onMouseClick(event) {
try {
if (ignoreNextClick === true) {
ignoreNextClick = false
return
}
let point = event
point.x = event.pageX
point.y = event.pageY - CURRENT_TOP_MARGIN
let container
/*
We will go through all the spaces defined at the project schema for each project
and we are going to query each space to see if they have the container that is at
the mouse position. We will order firt the spaces by the sequence order defined
at the project schema specifically for this mouse event.
*/
for (let i = 0; i < PROJECTS_SCHEMA.length; i++) {
let projectDefinition = PROJECTS_SCHEMA[i]
let projectInstance = UI.projects[projectDefinition.propertyName]
for (let j = 0; j < projectDefinition.spaces.length; j++) {
let spaceInstance = projectInstance.events.onMouseClickMap.get(j)
if (spaceInstance === undefined) { continue }
if (spaceInstance.getContainer === undefined) { continue }
container = spaceInstance.getContainer(point, GET_CONTAINER_PURPOSE.MOUSE_CLICK)
if (container !== undefined && container.isClickeable === true) {
container.eventHandler.raiseEvent('onMouseClick', point)
return
}
}
}
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onMouseClick -> err = ' + err.stack) }
}
}
function onMouseOut(event) {
deactivateDragging(event)
/* When the mouse leaves the canvas, our elements needs to react to the fact that the mouse is over a far away place */
let thisEvent = {
pageX: VERY_LARGE_NUMBER,
pageY: VERY_LARGE_NUMBER
}
onMouseOver(thisEvent)
}
function onMouseUp(event) {
deactivateDragging(event)
}
function onMouseMove(event) {
try {
thisObject.mouse.event = event
thisObject.mouse.position.x = event.pageX
thisObject.mouse.position.y = event.pageY - CURRENT_TOP_MARGIN
thisObject.mouse.action = 'moving'
/* Processing the event */
let point = event
point.x = event.pageX
point.y = event.pageY - CURRENT_TOP_MARGIN
if (UI.projects.superalgos.spaces.chartingSpace.viewport !== undefined) {
UI.projects.superalgos.spaces.chartingSpace.viewport.mousePosition.x = point.x
UI.projects.superalgos.spaces.chartingSpace.viewport.mousePosition.y = point.y
}
if (containerDragStarted === true || floatingObjectDragStarted === true || viewPortBeingDragged === true) {
if (floatingObjectDragStarted === true) {
let targetContainer = UI.projects.superalgos.spaces.floatingSpace.getContainer(point)
if (targetContainer !== undefined) {
if (targetContainer.id !== containerBeingDragged.id) {
containerBeingDragged.eventHandler.raiseEvent('onDragFinished', point)
containerBeingDragged = undefined
containerDragStarted = false
floatingObjectDragStarted = false
browserCanvas.style.cursor = 'auto'
ignoreNextClick = true
return
}
} else {
containerBeingDragged.eventHandler.raiseEvent('onDragFinished', point)
containerDragStarted = false
containerBeingDragged = undefined
floatingObjectDragStarted = false
browserCanvas.style.cursor = 'auto'
ignoreNextClick = true
return
}
}
dragVector.upX = point.x
dragVector.upY = point.y
checkDrag(event)
}
onMouseOver(event)
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onMouseMove -> err = ' + err.stack) }
}
}
function onMouseOver(event) {
try {
let point = event
point.x = event.pageX
point.y = event.pageY - CURRENT_TOP_MARGIN
if (containerDragStarted === true) {
containerBeingDragged.eventHandler.raiseEvent('onMouseOver', point)
return
}
/* Then we check who is the current object underneeth the mounse. */
let container
/*
We will go through all the spaces defined at the project schema for each project
and we are going to query each space to see if they have the container that is at
the mouse position. We will order firt the spaces by the sequence order defined
at the project schema specifically for this mouse event.
*/
for (let i = 0; i < PROJECTS_SCHEMA.length; i++) {
let projectDefinition = PROJECTS_SCHEMA[i]
let projectInstance = UI.projects[projectDefinition.propertyName]
for (let j = 0; j < projectDefinition.spaces.length; j++) {
let spaceInstance = projectInstance.events.onMouseOverMap.get(j)
if (spaceInstance === undefined) { continue }
if (spaceInstance.getContainer === undefined) { continue }
container = spaceInstance.getContainer(point, GET_CONTAINER_PURPOSE.MOUSE_OVER)
if (container !== undefined && container.detectMouseOver === true) {
containerFound()
return
}
}
}
function containerFound() {
if (lastContainerMouseOver !== undefined) {
if (container.id !== lastContainerMouseOver.id) {
lastContainerMouseOver.eventHandler.raiseEvent('onMouseNotOver', point)
}
}
container.eventHandler.raiseEvent('onMouseOver', point)
lastContainerMouseOver = container
}
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onMouseOver -> err = ' + err.stack) }
}
}
function onMouseWheel(event) {
try {
thisObject.mouse.event = event
thisObject.mouse.position.x = event.pageX
thisObject.mouse.position.y = event.pageY - CURRENT_TOP_MARGIN
thisObject.mouse.action = 'wheel'
// cross-browser wheel delta
var event = window.event || event // old IE support
event.delta = Math.max(-1, Math.min(1, event.wheelDelta || -event.detail))
if (IS_MAC) {
event.delta = event.delta / MAC_AMOUNT_FACTOR
}
let point = {
x: event.pageX,
y: event.pageY - CURRENT_TOP_MARGIN
}
event.mousePosition = point
let container
/*
We will go through all the spaces defined at the project schema for each project
and we are going to query each space to see if they have the container that is at
the mouse position. We will order firt the spaces by the sequence order defined
at the project schema specifically for this mouse event.
*/
for (let i = 0; i < PROJECTS_SCHEMA.length; i++) {
let projectDefinition = PROJECTS_SCHEMA[i]
let projectInstance = UI.projects[projectDefinition.propertyName]
for (let j = 0; j < projectDefinition.spaces.length; j++) {
let spaceInstance = projectInstance.events.onMouseWheelMap.get(j)
if (spaceInstance === undefined) { continue }
if (spaceInstance.getContainer === undefined) { continue }
container = spaceInstance.getContainer({ x: point.x, y: point.y }, GET_CONTAINER_PURPOSE.MOUSE_WHEEL)
if (container !== undefined && container.isWheelable === true) {
container.eventHandler.raiseEvent('onMouseWheel', event)
return false // This instructs the browser not to take the event and scroll the page.
}
}
}
return false
} catch (err) {
if (ERROR_LOG === true) { logger.write('[ERROR] onMouseWheel -> err = ' + err.stack) }
}
}
function deactivateDragging(event) {
try {
if (containerDragStarted || viewPortBeingDragged || floatingObjectDragStarted) {
thisObject.eventHandler.raiseEvent('Drag Finished', undefined)
}
if (