566 lines
20 KiB
JavaScript
566 lines
20 KiB
JavaScript
import Theme from './theme.js'
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import Tooltip from './tooltip.js'
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/**
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* Callback for the switch action.
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*
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* @callback actionCallback
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* @param {object} event - The event object.
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* @param {Switch} switch - A reference to the switch (also this refers to the switch).
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*/
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/**
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* Callback for the switch action.
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*
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* @callback actionActiveCallback
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* @param {object} event - The event object.
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* @param {Switch} switch - A reference to the switch (also this refers to the switch).
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*/
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/**
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* Callback for the switch beforeAction.
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*
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* @callback beforeActionCallback
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* @param {object} event - The event object.
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* @param {Switch} switch - A reference to the switch (also this refers to the switch).
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*/
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/**
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* Callback for the switch afterAction.
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*
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* @callback afterActionCallback
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* @param {object} event - The event object.
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* @param {Switch} switch - A reference to the switch (also this refers to the switch).
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*/
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/**
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* Class that represents a PixiJS Switch.
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*
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* @example
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* // Create the app
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* const app = new PIXIApp({
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* view: canvas,
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* width: 900,
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* height: 250
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* }).setup().run()
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*
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* // Create the switch
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* const switch1 = new Switch({
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* x: 10,
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* y: 20
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* })
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*
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* // Add the switch to a DisplayObject
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* app.scene.addChild(switch1)
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*
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* @class
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* @extends PIXI.Container
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* @see {@link http://pixijs.download/dev/docs/PIXI.Container.html|PIXI.Container}
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* @see {@link https://www.iwm-tuebingen.de/iwmbrowser/lib/pixi/switch.html|DocTest}
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*/
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export default class Switch extends PIXI.Container {
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/**
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* Creates an instance of a Switch.
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*
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* @constructor
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* @param {object} [opts] - An options object to specify to style and behaviour of the switch.
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* @param {number} [opts.id=auto generated] - The id of the switch.
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* @param {number} [opts.x=0] - The x position of the switch. Can be also set after creation with switch.x = 0.
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* @param {number} [opts.y=0] - The y position of the switch. Can be also set after creation with switch.y = 0.
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* @param {string|Theme} [opts.theme=dark] - The theme to use for this switch. Possible values are dark, light, red
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* or a Theme object.
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* @param {number} [opts.width=44] - The width of the switch.
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* @param {number} [opts.height=28] - The height of the switch.
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* @param {number} [opts.fill=Theme.fill] - The color of the switch background as a hex value.
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* @param {number} [opts.fillAlpha=Theme.fillAlpha] - The alpha value of the background.
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* @param {number} [opts.fillActive=Theme.fillActive] - The color of the switch background when activated.
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* @param {number} [opts.fillActiveAlpha=Theme.fillActiveAlpha] - The alpha value of the background when activated.
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* @param {number} [opts.stroke=Theme.stroke] - The color of the border as a hex value.
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* @param {number} [opts.strokeWidth=Theme.strokeWidth] - The width of the border in pixel.
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* @param {number} [opts.strokeAlpha=Theme.strokeAlpha] - The alpha value of the border.
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* @param {number} [opts.strokeActive=Theme.strokeActive] - The color of the border when activated.
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* @param {number} [opts.strokeActiveWidth=Theme.strokeActiveWidth] - The width of the border in pixel when activated.
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* @param {number} [opts.strokeActiveAlpha=Theme.strokeActiveAlpha] - The alpha value of the border when activated.
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* @param {number} [opts.controlFill=Theme.stroke] - The color of the switch control background as a hex value.
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* @param {number} [opts.controlFillAlpha=Theme.strokeAlpha] - The alpha value of the background.
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* @param {number} [opts.controlFillActive=Theme.stroke] - The color of the switch control background when activated.
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* @param {number} [opts.controlFillActiveAlpha=Theme.strokeAlpha] - The alpha value of the background when activated.
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* @param {number} [opts.controlStroke=Theme.stroke] - The color of the border as a hex value.
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* @param {number} [opts.controlStrokeWidth=Theme.strokeWidth * 0.8] - The width of the border in pixel.
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* @param {number} [opts.controlStrokeAlpha=Theme.strokeAlpha] - The alpha value of the border.
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* @param {number} [opts.controlStrokeActive=Theme.stroke] - The color of the border when activated.
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* @param {number} [opts.controlStrokeActiveWidth=Theme.strokeActiveWidth * 0.8] - The width of the border in pixel when activated.
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* @param {number} [opts.controlStrokeActiveAlpha=Theme.strokeActiveAlpha] - The alpha value of the border when activated.
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* @param {number} [opts.duration=Theme.fast] - The duration of the animation when the switch gets activated in seconds.
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* @param {number} [opts.durationActive=Theme.fast] - The duration of the animation when the switch gets deactivated in seconds.
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* @param {boolean} [opts.disabled=false] - Is the switch disabled? When disabled, the switch has a lower alpha value
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* and cannot be clicked (interactive is set to false).
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* @param {boolean} [opts.active=false] - Is the button initially active?
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* @param {actionCallback} [opts.action] - Executed when the switch was triggered in inactive state (by pointerup).
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* @param {actionActiveCallback} [opts.actionActive] - Executed when the button was triggered in active state (by pointerup).
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* @param {beforeActionCallback} [opts.beforeAction] - Executed before an action is triggered.
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* @param {afterActionCallback} [opts.afterAction] - Executed after an action was triggered.
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* @param {string|object} [opts.tooltip] - A string for the label of the tooltip or an object to configure the tooltip
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* to display.
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* @param {boolean} [opts.visible=true] - Is the switch initially visible (property visible)?
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*/
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constructor(opts = {}) {
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super()
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const theme = Theme.fromString(opts.theme)
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this.theme = theme
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this.opts = Object.assign(
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{},
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{
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id: PIXI.utils.uid(),
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x: 0,
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y: 0,
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width: 44,
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height: 28,
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fill: theme.fill,
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fillAlpha: theme.fillAlpha,
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fillActive: theme.primaryColor,
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fillActiveAlpha: theme.fillActiveAlpha,
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stroke: theme.stroke,
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strokeWidth: theme.strokeWidth,
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strokeAlpha: theme.strokeAlpha,
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strokeActive: theme.primaryColor,
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strokeActiveWidth: theme.strokeActiveWidth,
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strokeActiveAlpha: theme.strokeActiveAlpha,
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controlFill: theme.stroke,
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controlFillAlpha: theme.strokeAlpha,
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controlFillActive: theme.stroke,
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controlFillActiveAlpha: theme.strokeAlpha,
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controlStroke: theme.stroke,
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controlStrokeWidth: theme.strokeWidth * 0.8,
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controlStrokeAlpha: theme.strokeAlpha,
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controlStrokeActive: theme.stroke,
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controlStrokeActiveWidth: theme.strokeActiveWidth * 0.8,
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controlStrokeActiveAlpha: theme.strokeActiveAlpha,
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duration: theme.fast,
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durationActive: theme.fast,
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disabled: false,
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active: false,
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action: null,
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actionActive: null,
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beforeAction: null,
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afterAction: null,
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tooltip: null,
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visible: true
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},
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opts
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)
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this.opts.controlRadius =
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this.opts.controlRadius || this.opts.height / 2
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this.opts.controlRadiusActive =
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this.opts.controlRadiusActive || this.opts.controlRadius
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// Validation
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//-----------------
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if (this.opts.height > this.opts.width) {
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this.opts.height = this.opts.width
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}
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// Properties
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//-----------------
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this.id = this.opts.id
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this.radius = this.opts.height / 2
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this._active = null
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this._disabled = null
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this.switchObj = null
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this.control = null
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this.tooltip = null
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this.visible = this.opts.visible
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// animated
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//-----------------
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this.tempAnimated = {
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fill: this.opts.fill,
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fillAlpha: this.opts.fillAlpha,
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stroke: this.opts.stroke,
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strokeWidth: this.opts.strokeWidth,
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strokeAlpha: this.opts.strokeAlpha,
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controlFill: this.opts.controlFill,
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controlFillAlpha: this.opts.controlFillAlpha,
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controlStroke: this.opts.controlStroke,
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controlStrokeWidth: this.opts.controlStrokeWidth,
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controlStrokeAlpha: this.opts.controlStrokeAlpha,
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controlRadius: this.opts.controlRadius
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}
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// setup
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//-----------------
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this.setup()
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// layout
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//-----------------
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this.layout()
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}
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/**
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* Creates children and instantiates everything.
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*
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* @private
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* @return {Switch} A reference to the switch for chaining.
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*/
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setup() {
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// Switch
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//-----------------
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let switchObj = new PIXI.Graphics()
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this.switchObj = switchObj
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this.addChild(switchObj)
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// Control
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//-----------------
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this.xInactive = this.opts.controlRadius
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this.xActive = this.opts.width - this.opts.controlRadiusActive
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let control = new PIXI.Graphics()
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control.x = this.opts.active ? this.xActive : this.xInactive
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control.y = this.opts.height / 2
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this.control = control
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this.addChild(this.control)
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// interaction
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//-----------------
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this.switchObj.on('pointerover', e => {
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TweenLite.to(this.control, this.theme.fast, { alpha: 0.83 })
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})
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this.switchObj.on('pointerout', e => {
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TweenLite.to(this.control, this.theme.fast, { alpha: 1 })
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})
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this.switchObj.on('pointerdown', e => {
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TweenLite.to(this.control, this.theme.fast, { alpha: 0.7 })
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})
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this.switchObj.on('pointerup', e => {
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if (this.opts.beforeAction) {
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this.opts.beforeAction.call(this, e, this)
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}
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this.active = !this.active
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if (this.active) {
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if (this.opts.action) {
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this.opts.action.call(this, e, this)
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}
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} else {
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if (this.opts.actionActive) {
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this.opts.actionActive.call(this, e, this)
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}
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}
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TweenLite.to(this.control, this.theme.fast, { alpha: 0.83 })
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if (this.opts.afterAction) {
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this.opts.afterAction.call(this, e, this)
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}
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})
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// disabled
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//-----------------
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this.disabled = this.opts.disabled
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// active
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//-----------------
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this.active = this.opts.active
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// tooltip
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//-----------------
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if (this.opts.tooltip) {
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if (typeof this.opts.tooltip === 'string') {
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this.tooltip = new Tooltip({
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object: this,
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content: this.opts.tooltip
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})
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} else {
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this.opts.tooltip.object = this
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this.tooltip = new Tooltip(this.opts.tooltip)
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}
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}
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return this
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}
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/**
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* Should be called to refresh the layout of the switch. Can be used after resizing.
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*
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* @return {Switch} A reference to the switch for chaining.
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*/
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layout() {
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// set position
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//-----------------
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this.position.set(this.opts.x, this.opts.y)
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// draw
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//-----------------
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this.draw()
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return this
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}
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/**
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* Draws the switch to the canvas.
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*
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* @private
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* @return {Switch} A reference to the switch for chaining.
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*/
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draw() {
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this.switchObj.clear()
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if (this.active) {
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this.switchObj.lineStyle(
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this.opts.strokeActiveWidth,
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this.opts.strokeActive,
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this.opts.strokeActiveAlpha
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)
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this.switchObj.beginFill(
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this.opts.fillActive,
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this.opts.fillActiveAlpha
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)
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} else {
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this.switchObj.lineStyle(
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this.opts.strokeWidth,
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this.opts.stroke,
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this.opts.strokeAlpha
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)
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this.switchObj.beginFill(this.opts.fill, this.opts.fillAlpha)
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}
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this.switchObj.moveTo(this.radius, 0)
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this.switchObj.lineTo(this.opts.width - this.radius, 0)
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this.switchObj.arcTo(
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this.opts.width,
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0,
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this.opts.width,
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this.radius,
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this.radius
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)
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this.switchObj.lineTo(this.opts.width, this.radius + 1) // BUGFIX: If not specified, there is a small area without a stroke.
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this.switchObj.arcTo(
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this.opts.width,
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this.opts.height,
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this.opts.width - this.radius,
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this.opts.height,
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this.radius
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)
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this.switchObj.lineTo(this.radius, this.opts.height)
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this.switchObj.arcTo(0, this.opts.height, 0, this.radius, this.radius)
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this.switchObj.arcTo(0, 0, this.radius, 0, this.radius)
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this.switchObj.endFill()
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// Draw control
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this.control.clear()
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if (this.active) {
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this.control.lineStyle(
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this.opts.controlStrokeActiveWidth,
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this.opts.controlStrokeActive,
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this.opts.controlStrokeActiveAlpha
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)
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this.control.beginFill(
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this.opts.controlFillActive,
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this.opts.controlFillActiveAlpha
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)
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this.control.drawCircle(0, 0, this.opts.controlRadiusActive - 1)
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} else {
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this.control.lineStyle(
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this.opts.controlStrokeWidth,
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this.opts.controlStroke,
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this.opts.controlStrokeAlpha
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)
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this.control.beginFill(
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this.opts.controlFill,
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this.opts.controlFillAlpha
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)
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this.control.drawCircle(0, 0, this.opts.controlRadius - 1)
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}
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this.control.endFill()
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return this
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}
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/**
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* Draws the animation.
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*
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* @private
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* @return {Switch} A reference to the switch for chaining.
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*/
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drawAnimated() {
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this.switchObj.clear()
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this.switchObj.lineStyle(
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this.tempAnimated.strokeWidth,
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this.tempAnimated.stroke,
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this.tempAnimated.strokeAlpha
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)
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this.switchObj.beginFill(
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this.tempAnimated.fill,
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this.tempAnimated.fillAlpha
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)
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this.switchObj.moveTo(this.radius, 0)
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this.switchObj.lineTo(this.opts.width - this.radius, 0)
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this.switchObj.arcTo(
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this.opts.width,
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0,
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this.opts.width,
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this.radius,
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this.radius
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)
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this.switchObj.lineTo(this.opts.width, this.radius + 1) // BUGFIX: If not specified, there is a small area without a stroke.
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this.switchObj.arcTo(
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this.opts.width,
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this.opts.height,
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this.opts.width - this.radius,
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this.opts.height,
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this.radius
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)
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this.switchObj.lineTo(this.radius, this.opts.height)
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this.switchObj.arcTo(0, this.opts.height, 0, this.radius, this.radius)
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this.switchObj.arcTo(0, 0, this.radius, 0, this.radius)
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this.switchObj.endFill()
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this.control.clear()
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this.control.lineStyle(
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this.tempAnimated.controlStrokeWidth,
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this.tempAnimated.controlStroke,
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this.tempAnimated.controlStrokeAlpha
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)
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this.control.beginFill(
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this.tempAnimated.controlFill,
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this.tempAnimated.controlFillAlpha
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)
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this.control.drawCircle(0, 0, this.tempAnimated.controlRadius - 1)
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this.control.endFill()
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return this
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}
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/**
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* Gets or sets the active state.
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*
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* @member {boolean}
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*/
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get active() {
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return this._active
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}
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set active(value) {
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this._active = value
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if (this._active) {
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TweenLite.to(this.control, this.opts.duration, { x: this.xActive })
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TweenLite.to(this.tempAnimated, this.opts.duration, {
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colorProps: {
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fill: this.opts.fillActive,
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stroke: this.opts.strokeActive,
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controlFill: this.opts.controlFillActive,
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controlStroke: this.opts.controlStrokeActive,
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format: 'number'
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},
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fillAlpha: this.opts.fillActiveAlpha,
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strokeWidth: this.opts.strokeActiveWidth,
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strokeAlpha: this.opts.strokeActiveAlpha,
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controlFillAlpha: this.opts.controlFillActiveAlpha,
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controlStrokeWidth: this.opts.controlStrokeActiveWidth,
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controlStrokeAlpha: this.opts.controlStrokeActiveAlpha,
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controlRadius: this.opts.controlRadiusActive,
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onUpdate: () => this.drawAnimated(),
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onComplete: () => this.draw()
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})
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} else {
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TweenLite.to(this.control, this.opts.durationActive, {
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x: this.xInactive
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})
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TweenLite.to(this.tempAnimated, this.opts.durationActive, {
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colorProps: {
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fill: this.opts.fill,
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stroke: this.opts.stroke,
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controlFill: this.opts.controlFill,
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controlStroke: this.opts.controlStroke,
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format: 'number'
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},
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fillAlpha: this.opts.fillAlpha,
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strokeWidth: this.opts.strokeWidth,
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strokeAlpha: this.opts.strokeAlpha,
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controlFillAlpha: this.opts.controlFillAlpha,
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controlStrokeWidth: this.opts.controlStrokeWidth,
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controlStrokeAlpha: this.opts.controlStrokeAlpha,
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controlRadius: this.opts.controlRadius,
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onUpdate: () => this.drawAnimated(),
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onComplete: () => this.draw()
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})
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}
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}
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/**
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* Gets or sets the disabled state. When disabled, the switch cannot be clicked.
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*
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* @member {boolean}
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*/
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get disabled() {
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return this._disabled
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}
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set disabled(value) {
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this._disabled = value
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if (this._disabled) {
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this.switchObj.interactive = false
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this.switchObj.buttonMode = false
|
|
this.switchObj.alpha = 0.5
|
|
this.control.alpha = 0.5
|
|
} 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
|
|
}
|
|
}
|