import Theme from './theme.js'
import Tooltip from './tooltip.js'
/**
* Callback for the switch action.
*
* @callback actionCallback
* @param {object} event - The event object.
* @param {Switch} switch - A reference to the switch (also this refers to the switch).
*/
/**
* Callback for the switch action.
*
* @callback actionActiveCallback
* @param {object} event - The event object.
* @param {Switch} switch - A reference to the switch (also this refers to the switch).
*/
/**
* Callback for the switch beforeAction.
*
* @callback beforeActionCallback
* @param {object} event - The event object.
* @param {Switch} switch - A reference to the switch (also this refers to the switch).
*/
/**
* Callback for the switch afterAction.
*
* @callback afterActionCallback
* @param {object} event - The event object.
* @param {Switch} switch - A reference to the switch (also this refers to the switch).
*/
/**
* Class that represents a PixiJS Switch.
*
* @example
* // Create the app
* const app = new PIXIApp({
* view: canvas,
* width: 900,
* height: 250
* }).setup().run()
*
* // Create the switch
* const switch1 = new Switch({
* x: 10,
* y: 20
* })
*
* // Add the switch to a DisplayObject
* app.scene.addChild(switch1)
*
* @class
* @extends PIXI.Container
* @see {@link http://pixijs.download/dev/docs/PIXI.Container.html|PIXI.Container}
* @see {@link https://www.iwm-tuebingen.de/iwmbrowser/lib/pixi/switch.html|DocTest}
*/
export default class Switch extends PIXI.Container {
/**
* Creates an instance of a Switch.
*
* @constructor
* @param {object} [opts] - An options object to specify to style and behaviour of the switch.
* @param {number} [opts.id=auto generated] - The id of the switch.
* @param {number} [opts.x=0] - The x position of the switch. Can be also set after creation with switch.x = 0.
* @param {number} [opts.y=0] - The y position of the switch. Can be also set after creation with switch.y = 0.
* @param {string|Theme} [opts.theme=dark] - The theme to use for this switch. Possible values are dark, light, red
* or a Theme object.
* @param {number} [opts.width=44] - The width of the switch.
* @param {number} [opts.height=28] - The height of the switch.
* @param {number} [opts.fill=Theme.fill] - The color of the switch background as a hex value.
* @param {number} [opts.fillAlpha=Theme.fillAlpha] - The alpha value of the background.
* @param {number} [opts.fillActive=Theme.fillActive] - The color of the switch background when activated.
* @param {number} [opts.fillActiveAlpha=Theme.fillActiveAlpha] - The alpha value of the background when activated.
* @param {number} [opts.stroke=Theme.stroke] - The color of the border as a hex value.
* @param {number} [opts.strokeWidth=Theme.strokeWidth] - The width of the border in pixel.
* @param {number} [opts.strokeAlpha=Theme.strokeAlpha] - The alpha value of the border.
* @param {number} [opts.strokeActive=Theme.strokeActive] - The color of the border when activated.
* @param {number} [opts.strokeActiveWidth=Theme.strokeActiveWidth] - The width of the border in pixel when activated.
* @param {number} [opts.strokeActiveAlpha=Theme.strokeActiveAlpha] - The alpha value of the border when activated.
* @param {number} [opts.controlFill=Theme.stroke] - The color of the switch control background as a hex value.
* @param {number} [opts.controlFillAlpha=Theme.strokeAlpha] - The alpha value of the background.
* @param {number} [opts.controlFillActive=Theme.stroke] - The color of the switch control background when activated.
* @param {number} [opts.controlFillActiveAlpha=Theme.strokeAlpha] - The alpha value of the background when activated.
* @param {number} [opts.controlStroke=Theme.stroke] - The color of the border as a hex value.
* @param {number} [opts.controlStrokeWidth=Theme.strokeWidth * 0.8] - The width of the border in pixel.
* @param {number} [opts.controlStrokeAlpha=Theme.strokeAlpha] - The alpha value of the border.
* @param {number} [opts.controlStrokeActive=Theme.stroke] - The color of the border when activated.
* @param {number} [opts.controlStrokeActiveWidth=Theme.strokeActiveWidth * 0.8] - The width of the border in pixel when activated.
* @param {number} [opts.controlStrokeActiveAlpha=Theme.strokeActiveAlpha] - The alpha value of the border when activated.
* @param {number} [opts.duration=Theme.fast] - The duration of the animation when the switch gets activated in seconds.
* @param {number} [opts.durationActive=Theme.fast] - The duration of the animation when the switch gets deactivated in seconds.
* @param {boolean} [opts.disabled=false] - Is the switch disabled? When disabled, the switch has a lower alpha value
* and cannot be clicked (interactive is set to false).
* @param {boolean} [opts.active=false] - Is the button initially active?
* @param {actionCallback} [opts.action] - Executed when the switch was triggered in inactive state (by pointerup).
* @param {actionActiveCallback} [opts.actionActive] - Executed when the button was triggered in active state (by pointerup).
* @param {beforeActionCallback} [opts.beforeAction] - Executed before an action is triggered.
* @param {afterActionCallback} [opts.afterAction] - Executed after an action was triggered.
* @param {string|object} [opts.tooltip] - A string for the label of the tooltip or an object to configure the tooltip
* to display.
* @param {boolean} [opts.visible=true] - Is the switch initially visible (property visible)?
*/
constructor(opts = {}) {
super()
const theme = Theme.fromString(opts.theme)
this.theme = theme
this.opts = Object.assign({}, {
id: PIXI.utils.uid(),
x: 0,
y: 0,
width: 44,
height: 28,
fill: theme.fill,
fillAlpha: theme.fillAlpha,
fillActive: theme.primaryColor,
fillActiveAlpha: theme.fillActiveAlpha,
stroke: theme.stroke,
strokeWidth: theme.strokeWidth,
strokeAlpha: theme.strokeAlpha,
strokeActive: theme.primaryColor,
strokeActiveWidth: theme.strokeActiveWidth,
strokeActiveAlpha: theme.strokeActiveAlpha,
controlFill: theme.stroke,
controlFillAlpha: theme.strokeAlpha,
controlFillActive: theme.stroke,
controlFillActiveAlpha: theme.strokeAlpha,
controlStroke: theme.stroke,
controlStrokeWidth: theme.strokeWidth * .8,
controlStrokeAlpha: theme.strokeAlpha,
controlStrokeActive: theme.stroke,
controlStrokeActiveWidth: theme.strokeActiveWidth * .8,
controlStrokeActiveAlpha: theme.strokeActiveAlpha,
duration: theme.fast,
durationActive: theme.fast,
disabled: false,
active: false,
action: null,
actionActive: null,
beforeAction: null,
afterAction: null,
tooltip: null,
visible: true
}, opts)
this.opts.controlRadius = this.opts.controlRadius || (this.opts.height / 2)
this.opts.controlRadiusActive = this.opts.controlRadiusActive || this.opts.controlRadius
// Validation
//-----------------
if (this.opts.height > this.opts.width) {
this.opts.height = this.opts.width
}
// Properties
//-----------------
this.id = this.opts.id
this.radius = this.opts.height / 2
this._active = null
this._disabled = null
this.switchObj = null
this.control = null
this.tooltip = null
this.visible = this.opts.visible
// animated
//-----------------
this.tempAnimated = {
fill: this.opts.fill,
fillAlpha: this.opts.fillAlpha,
stroke: this.opts.stroke,
strokeWidth: this.opts.strokeWidth,
strokeAlpha: this.opts.strokeAlpha,
controlFill: this.opts.controlFill,
controlFillAlpha: this.opts.controlFillAlpha,
controlStroke: this.opts.controlStroke,
controlStrokeWidth: this.opts.controlStrokeWidth,
controlStrokeAlpha: this.opts.controlStrokeAlpha,
controlRadius: this.opts.controlRadius
}
// setup
//-----------------
this.setup()
// layout
//-----------------
this.layout()
}
/**
* Creates children and instantiates everything.
*
* @private
* @return {Switch} A reference to the switch for chaining.
*/
setup() {
// Switch
//-----------------
let switchObj = new PIXI.Graphics()
this.switchObj = switchObj
this.addChild(switchObj)
// Control
//-----------------
this.xInactive = this.opts.controlRadius
this.xActive = this.opts.width - this.opts.controlRadiusActive
let control = new PIXI.Graphics()
control.x = this.opts.active ? this.xActive : this.xInactive
control.y = this.opts.height / 2
this.control = control
this.addChild(this.control)
// interaction
//-----------------
this.switchObj.on('pointerover', e => {
TweenLite.to(this.control, this.theme.fast, {alpha: .83})
})
this.switchObj.on('pointerout', e => {
TweenLite.to(this.control, this.theme.fast, {alpha: 1})
})
this.switchObj.on('pointerdown', e => {
TweenLite.to(this.control, this.theme.fast, {alpha: .7})
})
this.switchObj.on('pointerup', e => {
if (this.opts.beforeAction) {
this.opts.beforeAction.call(this, e, this)
}
this.active = !this.active
if (this.active) {
if (this.opts.action) {
this.opts.action.call(this, e, this)
}
} else {
if (this.opts.actionActive) {
this.opts.actionActive.call(this, e, this)
}
}
TweenLite.to(this.control, this.theme.fast, {alpha: .83})
if (this.opts.afterAction) {
this.opts.afterAction.call(this, e, this)
}
})
// disabled
//-----------------
this.disabled = this.opts.disabled
// active
//-----------------
this.active = this.opts.active
// tooltip
//-----------------
if (this.opts.tooltip) {
if (typeof this.opts.tooltip === 'string') {
this.tooltip = new Tooltip({
object: this,
content: this.opts.tooltip
})
} else {
this.opts.tooltip.object = this
this.tooltip = new Tooltip(this.opts.tooltip)
}
}
return this
}
/**
* Should be called to refresh the layout of the switch. Can be used after resizing.
*
* @return {Switch} A reference to the switch for chaining.
*/
layout() {
// set position
//-----------------
this.position.set(this.opts.x, this.opts.y)
// draw
//-----------------
this.draw()
return this
}
/**
* Draws the switch to the canvas.
*
* @private
* @return {Switch} A reference to the switch for chaining.
*/
draw() {
this.switchObj.clear()
if (this.active) {
this.switchObj.lineStyle(this.opts.strokeActiveWidth, this.opts.strokeActive, this.opts.strokeActiveAlpha)
this.switchObj.beginFill(this.opts.fillActive, this.opts.fillActiveAlpha)
} else {
this.switchObj.lineStyle(this.opts.strokeWidth, this.opts.stroke, this.opts.strokeAlpha)
this.switchObj.beginFill(this.opts.fill, this.opts.fillAlpha)
}
this.switchObj.moveTo(this.radius, 0)
this.switchObj.lineTo(this.opts.width - this.radius, 0)
this.switchObj.arcTo(this.opts.width, 0, this.opts.width, this.radius, this.radius)
this.switchObj.lineTo(this.opts.width, this.radius + 1) // BUGFIX: If not specified, there is a small area without a stroke.
this.switchObj.arcTo(this.opts.width, this.opts.height, this.opts.width - this.radius, this.opts.height, this.radius)
this.switchObj.lineTo(this.radius, this.opts.height)
this.switchObj.arcTo(0, this.opts.height, 0, this.radius, this.radius)
this.switchObj.arcTo(0, 0, this.radius, 0, this.radius)
this.switchObj.endFill()
// Draw control
this.control.clear()
if (this.active) {
this.control.lineStyle(this.opts.controlStrokeActiveWidth, this.opts.controlStrokeActive, this.opts.controlStrokeActiveAlpha)
this.control.beginFill(this.opts.controlFillActive, this.opts.controlFillActiveAlpha)
this.control.drawCircle(0, 0, this.opts.controlRadiusActive - 1)
} else {
this.control.lineStyle(this.opts.controlStrokeWidth, this.opts.controlStroke, this.opts.controlStrokeAlpha)
this.control.beginFill(this.opts.controlFill, this.opts.controlFillAlpha)
this.control.drawCircle(0, 0, this.opts.controlRadius - 1)
}
this.control.endFill()
return this
}
/**
* Draws the animation.
*
* @private
* @return {Switch} A reference to the switch for chaining.
*/
drawAnimated() {
this.switchObj.clear()
this.switchObj.lineStyle(this.tempAnimated.strokeWidth, this.tempAnimated.stroke, this.tempAnimated.strokeAlpha)
this.switchObj.beginFill(this.tempAnimated.fill, this.tempAnimated.fillAlpha)
this.switchObj.moveTo(this.radius, 0)
this.switchObj.lineTo(this.opts.width - this.radius, 0)
this.switchObj.arcTo(this.opts.width, 0, this.opts.width, this.radius, this.radius)
this.switchObj.lineTo(this.opts.width, this.radius + 1) // BUGFIX: If not specified, there is a small area without a stroke.
this.switchObj.arcTo(this.opts.width, this.opts.height, this.opts.width - this.radius, this.opts.height, this.radius)
this.switchObj.lineTo(this.radius, this.opts.height)
this.switchObj.arcTo(0, this.opts.height, 0, this.radius, this.radius)
this.switchObj.arcTo(0, 0, this.radius, 0, this.radius)
this.switchObj.endFill()
this.control.clear()
this.control.lineStyle(this.tempAnimated.controlStrokeWidth, this.tempAnimated.controlStroke, this.tempAnimated.controlStrokeAlpha)
this.control.beginFill(this.tempAnimated.controlFill, this.tempAnimated.controlFillAlpha)
this.control.drawCircle(0, 0, this.tempAnimated.controlRadius - 1)
this.control.endFill()
return this
}
/**
* Gets or sets the active state.
*
* @member {boolean}
*/
get active() {
return this._active
}
set active(value) {
this._active = value
if (this._active) {
TweenLite.to(this.control, this.opts.duration, {x: this.xActive})
TweenLite.to(this.tempAnimated, this.opts.duration, {
colorProps: {
fill: this.opts.fillActive,
stroke: this.opts.strokeActive,
controlFill: this.opts.controlFillActive,
controlStroke: this.opts.controlStrokeActive,
format: 'number'
},
fillAlpha: this.opts.fillActiveAlpha,
strokeWidth: this.opts.strokeActiveWidth,
strokeAlpha: this.opts.strokeActiveAlpha,
controlFillAlpha: this.opts.controlFillActiveAlpha,
controlStrokeWidth: this.opts.controlStrokeActiveWidth,
controlStrokeAlpha: this.opts.controlStrokeActiveAlpha,
controlRadius: this.opts.controlRadiusActive,
onUpdate: () => this.drawAnimated(),
onComplete: () => this.draw()
})
} else {
TweenLite.to(this.control, this.opts.durationActive, {x: this.xInactive})
TweenLite.to(this.tempAnimated, this.opts.durationActive, {
colorProps: {
fill: this.opts.fill,
stroke: this.opts.stroke,
controlFill: this.opts.controlFill,
controlStroke: this.opts.controlStroke,
format: 'number'
},
fillAlpha: this.opts.fillAlpha,
strokeWidth: this.opts.strokeWidth,
strokeAlpha: this.opts.strokeAlpha,
controlFillAlpha: this.opts.controlFillAlpha,
controlStrokeWidth: this.opts.controlStrokeWidth,
controlStrokeAlpha: this.opts.controlStrokeAlpha,
controlRadius: this.opts.controlRadius,
onUpdate: () => this.drawAnimated(),
onComplete: () => this.draw()
})
}
}
/**
* Gets or sets the disabled state. When disabled, the switch cannot be clicked.
*
* @member {boolean}
*/
get disabled() {
return this._disabled
}
set disabled(value) {
this._disabled = value
if (this._disabled) {
this.switchObj.interactive = false
this.switchObj.buttonMode = false
this.switchObj.alpha = .5
this.control.alpha = .5
} else {
this.switchObj.interactive = true
this.switchObj.buttonMode = true
this.switchObj.alpha = 1
this.control.alpha = 1
}
}
/**
* Shows the switch (sets his alpha values to 1).
*
* @return {Switch} A reference to the switch for chaining.
*/
show() {
this.opts.strokeAlpha = 1
this.opts.strokeActiveAlpha = 1
this.opts.fillAlpha = 1
this.opts.fillActiveAlpha = 1
this.opts.controlStrokeAlpha = 1
this.opts.controlStrokeActiveAlpha = 1
this.opts.controlFillAlpha = 1
this.opts.controlFillActiveAlpha = 1
this.layout()
return this
}
/**
* Hides the switch (sets his alpha values to 1).
*
* @return {Switch} A reference to the switch for chaining.
*/
hide() {
this.opts.strokeAlpha = 0
this.opts.strokeActiveAlpha = 0
this.opts.fillAlpha = 0
this.opts.fillActiveAlpha = 0
this.opts.controlStrokeAlpha = 0
this.opts.controlStrokeActiveAlpha = 0
this.opts.controlFillAlpha = 0
this.opts.controlFillActiveAlpha = 0
this.layout()
return this
}
}