322 lines
12 KiB
JavaScript
322 lines
12 KiB
JavaScript
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function newListSelector() {
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const MODULE_NAME = 'List Selector'
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let thisObject = {
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isVisibleFunction: undefined,
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visible: false,
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imagePathOK: undefined,
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imagePathNOT_OK: undefined,
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rawRadius: undefined,
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targetRadius: undefined,
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currentRadius: undefined,
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container: undefined,
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payload: undefined,
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deactivate: deactivate,
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activate: activate,
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physics: physics,
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drawBackground: drawBackground,
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drawForeground: drawForeground,
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onMouseClick: onMouseClick,
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raiseEventParentChanged: raiseEventParentChanged,
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onMouseWheel: onMouseWheel,
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getContainer: getContainer,
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finalize: finalize,
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initialize: initialize
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}
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thisObject.container = newContainer()
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thisObject.container.initialize(MODULE_NAME)
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thisObject.container.isClickeable = true
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thisObject.container.isDraggeable = false
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thisObject.container.isWheelable = true
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thisObject.container.detectMouseOver = true
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thisObject.container.frame.radius = 0
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thisObject.container.frame.position.x = 0
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thisObject.container.frame.position.y = 0
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let optionsList = {}
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let current
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let icon
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let propertyName
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let lastSelected = 0
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let SIZE_FACTOR = 1.0
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let onMouseWheelEventSubscriptionId
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let selfMouseClickEventSubscriptionId
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let onMouseClickEventSubscriptionId
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const SIZE = 36
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const FONT_SIZE = 24
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const VISIBLE_LABELS = 7
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let selected = Math.ceil(VISIBLE_LABELS / 2) - 1
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let wheelDeltaDirection
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let wheelDeltaCounter = 0
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return thisObject
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function finalize() {
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thisObject.container.eventHandler.stopListening(onMouseWheelEventSubscriptionId)
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thisObject.container.eventHandler.stopListening(selfMouseClickEventSubscriptionId)
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thisObject.container.eventHandler.stopListening(onMouseClickEventSubscriptionId)
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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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thisObject.isVisibleFunction = undefined
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}
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function initialize() {
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icon = UI.projects.foundations.spaces.designSpace.getIconByProjectAndName( 'Governance', 'user-profile')
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onMouseWheelEventSubscriptionId = thisObject.container.eventHandler.listenToEvent('onMouseWheel', onMouseWheel)
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selfMouseClickEventSubscriptionId = thisObject.container.eventHandler.listenToEvent('onMouseClick', onMouseClick)
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}
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function deactivate() {
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if (thisObject.payload === undefined) { return }
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if (thisObject.visible === true) {
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thisObject.visible = false
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}
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thisObject.payload.uiObject.container.eventHandler.stopListening(onMouseClickEventSubscriptionId)
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EDITOR_ON_FOCUS = false
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}
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function raiseEventParentChanged() {
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let event = {
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selected: selected,
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parent: current,
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propertyName: propertyName
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}
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thisObject.container.eventHandler.raiseEvent('onParentChanged', event)
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}
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function activate(action, listValues, eventSubscriptionId) {
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thisObject.visible = true
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thisObject.payload = action.node.payload
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thisObject.rawRadius = 8
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thisObject.targetRadius = thisObject.container.frame.radius
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thisObject.currentRadius = 0
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thisObject.payload.uiObject.resetErrorMessage()
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thisObject.payload.uiObject.uiObjectTitle.exitEditMode()
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onMouseClickEventSubscriptionId = eventSubscriptionId
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optionsList = listValues
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EDITOR_ON_FOCUS = true
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}
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function onMouseWheel() {
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if (IS_MAC && Math.abs(event.wheelDelta) < MAC_MOUSE_WHEEL_INFINITE_SCROLL_THRESHOLD) {
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let sensitivity
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if (event.delta < 0) {
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if (event.shiftKey === true) {
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sensitivity = MAC_SCROLL_SENSITIVITY
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} else {
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sensitivity = MAC_ZOOM_SENSITIVITY
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}
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if (wheelDeltaDirection === -1) {
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wheelDeltaCounter++
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if (wheelDeltaCounter < sensitivity) {
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return
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} else {
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wheelDeltaCounter = 0
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}
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} else {
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wheelDeltaCounter = 0
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wheelDeltaDirection = -1
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return
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}
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} else {
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if (event.shiftKey === true) {
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sensitivity = MAC_SCROLL_SENSITIVITY
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} else {
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sensitivity = MAC_ZOOM_SENSITIVITY
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}
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if (wheelDeltaDirection === 1) {
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wheelDeltaCounter++
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if (wheelDeltaCounter < sensitivity) {
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return
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} else {
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wheelDeltaCounter = 0
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}
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} else {
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wheelDeltaCounter = 0
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wheelDeltaDirection = 1
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return
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}
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}
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event.delta = - event.delta
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}
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selected = selected - event.delta
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if (selected < Math.ceil(VISIBLE_LABELS / 2)) { selected = Math.ceil(VISIBLE_LABELS / 2) - 1 }
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if (selected > optionsList.length - Math.ceil(VISIBLE_LABELS / 2)) { selected = optionsList.length - Math.ceil(VISIBLE_LABELS / 2) }
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if (selected !== lastSelected) {
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lastSelected = selected
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raiseEventParentChanged()
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}
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}
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function onMouseClick(pPoint) {
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let tableStartPosition = {
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x: thisObject.container.frame.radius,
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y: thisObject.container.frame.radius
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}
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tableStartPosition = thisObject.container.frame.frameThisPoint(tableStartPosition)
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let offset = thisObject.container.frame.radius / ( 8 / 5 )
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let listSquare = offset * 2
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let rowHeight = listSquare / VISIBLE_LABELS
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if (pPoint.x >= tableStartPosition.x - offset && pPoint.x <= tableStartPosition.x + offset) {
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for (let i = 0; i < VISIBLE_LABELS; i++) {
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let upperBoundary = (tableStartPosition.y - offset) + (i * rowHeight)
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let lowerBoundary = (tableStartPosition.y - offset) + ((i + 1) * rowHeight)
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if (pPoint.y >= upperBoundary && pPoint.y <= lowerBoundary) {
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let clickedValue = (i - Math.floor(VISIBLE_LABELS / 2) + selected)
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let event = {
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point: pPoint,
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parent: thisObject,
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selectedNode: optionsList[clickedValue]
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}
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thisObject.payload.uiObject.container.eventHandler.raiseEvent('listSelectorClicked', event)
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deactivate()
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}
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}
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}
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}
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function getContainer(point) {
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if (thisObject.visible === true) {
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if (point.x === VERY_LARGE_NUMBER) {
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/* The the mouse leaves the canvas, and event of mouse over with a ridiculous coordinate is triggered so that
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anyone can react. In our case, the code editor has a text area that is not part of the canvas, so the event is
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triggered. We compensate recognizing this coordinate and returning our container. */
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return thisObject.container
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}
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if (thisObject.container.frame.isThisPointHere(point, true, false) === true) {
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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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}
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function physics() {
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if (Math.abs(thisObject.currentRadius - thisObject.targetRadius) >= 0.5) {
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if (thisObject.currentRadius < thisObject.targetRadius) {
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thisObject.currentRadius = thisObject.currentRadius + 0.5
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} else {
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thisObject.currentRadius = thisObject.currentRadius - 0.5
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}
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}
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thisObject.container.frame.position.x = -thisObject.container.frame.radius
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thisObject.container.frame.position.y = -thisObject.container.frame.radius
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thisObject.container.frame.width = thisObject.container.frame.radius * 2 * SIZE_FACTOR
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thisObject.container.frame.height = thisObject.container.frame.radius * 2 * SIZE_FACTOR
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}
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function drawBackground() {
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if (thisObject.visible === true) {
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let position = {
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x: 0,
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y: 0
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}
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position = thisObject.container.frame.frameThisPoint(position)
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let radius = thisObject.container.frame.radius * SIZE_FACTOR
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if (radius > 0.5) {
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browserCanvasContext.beginPath()
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browserCanvasContext.arc(position.x + thisObject.container.frame.radius, position.y + thisObject.container.frame.radius, radius + 3, 0, Math.PI * 2, true)
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browserCanvasContext.closePath()
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browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.WHITE + ', ' + 1 + ')'
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browserCanvasContext.fill()
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browserCanvasContext.beginPath()
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browserCanvasContext.arc(position.x + thisObject.container.frame.radius, position.y + thisObject.container.frame.radius, radius , 0, Math.PI * 2, true)
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browserCanvasContext.closePath()
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browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.MIDNIGHT_GREEN + ', ' + 1 + ')'
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browserCanvasContext.fill()
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}
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}
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}
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function drawForeground() {
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if (thisObject.visible === true) {
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let fontSize
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let fontColor
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let opacity
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for (let i = 0; i < VISIBLE_LABELS; i++) {
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let index = i - Math.floor(VISIBLE_LABELS / 2) + selected
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let label = ''
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if (index >= 0 && index < optionsList.length) {
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label = optionsList[index]
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}
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fontColor = UI_COLOR.BLACK
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fontSize = FONT_SIZE
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opacity = 1
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let offset = thisObject.container.frame.radius / ( 8 / 5 )
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let listSquare = offset * 2
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let rowOffset = listSquare * ( i / VISIBLE_LABELS )
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let rowHeight = listSquare / VISIBLE_LABELS
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let rowPosition = {
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x: thisObject.container.frame.radius,
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y: (thisObject.container.frame.radius - offset) + rowOffset + (rowHeight / 2)
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}
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rowPosition = thisObject.container.frame.frameThisPoint(rowPosition)
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browserCanvasContext.beginPath()
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browserCanvasContext.moveTo(rowPosition.x - offset, rowPosition.y - rowHeight / 2);
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browserCanvasContext.lineTo(rowPosition.x + offset, rowPosition.y - rowHeight / 2);
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browserCanvasContext.lineTo(rowPosition.x + offset, rowPosition.y + rowHeight / 2);
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browserCanvasContext.lineTo(rowPosition.x - offset, rowPosition.y + rowHeight / 2);
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browserCanvasContext.closePath()
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browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.MIDNIGHT_GREEN + ', 1)';
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browserCanvasContext.lineWidth = 3
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browserCanvasContext.stroke()
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if (index % 2) {
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browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.OCEAN_GREEN + ', 0.2)';
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} else {
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browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.OCEAN_GREEN + ', 0.4)';
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}
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browserCanvasContext.fill();
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let middleValue = Math.floor(VISIBLE_LABELS / 2)
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UI.projects.foundations.utilities.drawPrint.drawIcon(icon, 1 / 2, 1 / 2, - offset + SIZE, (i - middleValue) * rowHeight, SIZE, thisObject.container)
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UI.projects.foundations.utilities.drawPrint.drawLabel(label, 1 / 2, 1 / 2, 0, (SIZE - fontSize) / 2 + (i - middleValue) * rowHeight, fontSize, thisObject.container, fontColor, undefined, undefined, opacity)
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}
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}
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}
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}
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