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 * 0.8, controlStrokeAlpha: theme.strokeAlpha, controlStrokeActive: theme.stroke, controlStrokeActiveWidth: theme.strokeActiveWidth * 0.8, 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: 0.83 }) }) 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: 0.7 }) }) 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: 0.83 }) 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 = 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 } }