715 lines
24 KiB
JavaScript
715 lines
24 KiB
JavaScript
/* global */
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import Theme from './theme.js'
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import Tooltip from './tooltip.js'
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import Badge from './badge.js'
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import Events from '../events.js'
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import { Points } from '../utils.js'
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/**
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* Callback for the button 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 {Button} button - A reference to the button (also this refers to the button).
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*/
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/**
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* Callback for the button 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 {Button} button - A reference to the button (also this refers to the button).
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*/
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/**
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* Callback for the button 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 {Button} button - A reference to the button (also this refers to the button).
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*/
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/**
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* Class that represents a PixiJS Text.
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*
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* @example
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* // Create the text
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* const text = new Text({
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* label: 'My Text',
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* action: () => console.log('Text was clicked')
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* })
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*
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* // Add the text to a DisplayObject
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* app.scene.addChild(text)
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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/text.html|DocTest}
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*/
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export default class Text extends PIXI.Container {
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/**
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* Creates an instance of a Button.
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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 button.
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* @param {number} [opts.id=auto generated] - The id of the button.
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* @param {string} [opts.label] - The label of the button.
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* @param {number} [opts.x=0] - The x position of the button. Can be also set after creation with button.x = 0.
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* @param {number} [opts.y=0] - The y position of the button. Can be also set after creation with button.y = 0.
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* @param {string|Theme} [opts.theme=dark] - The theme to use for this button. Possible values are dark, light, red
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* or a Theme object.
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* @param {number} [opts.minWidth=44] - The minimum width of the button.
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* @param {number} [opts.minHeight=44] - The minimum height of the button.
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* @param {number} [opts.padding=Theme.padding] - The inner spacing (distance from icon and/or label) to the border.
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* @param {string|PIXI.DisplayObject} [opts.icon] - The icon of the button. Can be a predefined one, an URL or an PIXI.DisplayObject.
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* @param {string|PIXI.DisplayObject} [opts.iconActive=icon] - The icon of the button when activated. Can be a predefined one, an URL or an PIXI.DisplayObject.
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* @param {string} [opts.iconPosition=left] - The position of the icon in relation to the label. Can be left or right.
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* @param {number} [opts.iconColor=Theme.iconColor] - The color of the icon (set by the tint property) as a hex value.
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* @param {number} [opts.iconColorActive=Theme.iconColorActive] - The color of the icon when activated.
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* @param {number} [opts.fill=Theme.fill] - The color of the button 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 button 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 {object} [opts.textStyle=Theme.textStyle] - A textstyle object for the styling of the label. See PIXI.TextStyle
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* for possible options.
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* @param {number} [opts.textStyleActive=Theme.textStyleActive] - A textstyle object for the styling of the label when the
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* button is activated. See PIXI.TextStyle for possible options.
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* @param {string} [opts.style=default] - A shortcut for styling options. Possible values are default, link.
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* @param {number} [opts.radius=Theme.radius] - The radius of the four corners of the button (which is a rounded rectangle).
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* @param {boolean} [opts.disabled=false] - Is the button disabled? When disabled, the button 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 button was triggered (by pointerup).
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* @param {beforeActionCallback} [opts.beforeAction] - Executed before the main action is triggered.
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* @param {afterActionCallback} [opts.afterAction] - Executed after the main action was triggered.
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* @param {string} [opts.type=default] - The type of the button. Can be default or checkbox. When the type is
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* checkbox, the active state is toggled automatically.
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* @param {string} [opts.align=center] - The horizontal position of the label and the icon. Possible values are
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* left, center and right. Only affects the style when the minWidth is bigger than the width of the icon and label.
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* @param {string} [opts.verticalAlign=middle] - The vertical position of the label and the icon. Possible values are
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* top, middle and button. Only affects the style when the minHeight is bigger than the height of the icon and label.
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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 {string|object} [opts.badge] - A string for the label of the badge or an object to configure the badge to display.
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* If the parameter is an object, all badge options can be set plus the following:
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* @param {string} [opts.badge.align=right] - The horizontal alignment of the badge. Possible values: left, center, right
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* @param {string} [opts.badge.verticalAlign=top] - The vertical alignment of the badge. Possible values: top, middle, bottom
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* @param {number} [opts.badge.offsetLeft=0] - The horizontal shift of the badge.
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* @param {number} [opts.badge.offsetTop=0] - The vertical shift of the badge.
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* @param {boolean} [opts.visible=true] - Is the button 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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label: null,
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x: 0,
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y: 0,
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minWidth: 44,
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minHeight: 44,
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padding: theme.padding,
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icon: undefined,
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iconActive: undefined,
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iconPosition: 'left',
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iconColor: theme.iconColor,
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iconColorActive: theme.iconColorActive,
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fill: theme.fill,
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fillAlpha: theme.fillAlpha,
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fillActive: theme.fillActive,
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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.strokeActive,
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strokeActiveWidth: theme.strokeActiveWidth,
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strokeActiveAlpha: theme.strokeActiveAlpha,
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textStyle: {},
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textStyleActive: {},
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style: 'default',
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radius: theme.radius,
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disabled: false,
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active: false,
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action: null,
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beforeAction: null,
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afterAction: null,
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type: 'default',
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align: 'center',
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verticalAlign: 'middle',
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tooltip: null,
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badge: 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.id = this.opts.id
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this.opts.textStyle = Object.assign({}, theme.textStyle, this.opts.textStyle)
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this.opts.textStyleActive = Object.assign({}, theme.textStyleActive, this.opts.textStyleActive)
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if (typeof this.opts.icon === 'undefined' && typeof this.opts.iconActive !== 'undefined') {
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this.opts.icon = this.opts.iconActive
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} else if (typeof this.opts.icon !== 'undefined' && typeof this.opts.iconActive === 'undefined') {
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this.opts.iconActive = this.opts.icon
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}
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if (this.opts.style === 'link') {
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Object.assign(this.opts, {
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strokeAlpha: 0,
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strokeActiveAlpha: 0,
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fillAlpha: 0,
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fillActiveAlpha: 0
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})
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}
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this._active = null
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this._disabled = null
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this.__start = { x: null, y: null }
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this.iconInactive = null
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this.iconActive = null
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this.text = null
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this.button = null
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this.content = null
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this.tooltip = null
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this.badge = null
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this.visible = this.opts.visible
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// setup
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//-----------------
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this.setup()
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}
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/**
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* Captures an event to inform InteractionMapper about processed events.
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*
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* @param {event|PIXI.InteractionEvent} event - The PIXI event to capture.
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*/
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capture(event) {
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Events.capturedBy(event.data.originalEvent, this)
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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 {Button} A reference to the button for chaining.
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*/
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setup() {
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// Button
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//-----------------
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let button = new PIXI.Graphics()
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this.button = button
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this.addChild(button)
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// Content
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//-----------------
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let content = new PIXI.Container()
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this.content = content
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this.addChild(content)
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// Text
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//-----------------
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if (this.opts.label) {
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this.text = new PIXI.Text(this.opts.label, this.opts.textStyle)
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}
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// Icon
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//-----------------
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if (this.opts.icon) {
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this.iconInactive = this.loadIcon(this.opts.icon, this.opts.iconColor)
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}
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if (this.opts.iconActive) {
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this.iconActive = this.loadIcon(this.opts.iconActive, this.opts.iconColorActive)
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}
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// interaction
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//-----------------
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this.button.on('pointerover', e => {
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this.capture(e)
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TweenLite.to([this.button, this.content], this.theme.fast, {
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alpha: 0.83,
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overwrite: 'none'
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})
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})
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this.button.on('pointermove', e => {
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this.capture(e)
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})
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this.button.on('pointerout', this.onEnd.bind(this))
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this.button.on('pointercancel', this.onEnd.bind(this))
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this.button.on('pointerupoutside', this.onEnd.bind(this))
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this.button.on('pointertap', this.onEnd.bind(this))
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this.button.on('scroll', this.onEnd.bind(this))
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// eslint-disable-next-line no-unused-vars
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this.button.on('pointerdown', e => {
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//this.capture(e)
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this.__start.x = e.data.global.x
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this.__start.y = e.data.global.y
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TweenLite.to([this.button, this.content], this.theme.fast, {
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alpha: 0.7,
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overwrite: 'none'
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})
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})
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this.button.on('pointerup', e => {
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this.capture(e)
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const distance = Points.distance(e.data.global, this.__start)
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if (distance < 5) {
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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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if (this.opts.action) {
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this.opts.action.call(this, e, this)
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}
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TweenLite.to([this.button, this.content], this.theme.fast, {
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alpha: 0.83,
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overwrite: 'none'
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})
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if (this.opts.type === 'checkbox') {
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this.active = !this.active
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}
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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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})
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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 // calls .layout()
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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.assign({}, { object: this }, this.opts.tooltip)
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this.tooltip = new Tooltip(this.opts.tooltip)
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}
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}
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// badge
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//-----------------
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if (this.opts.badge) {
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let opts = Object.assign(
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{},
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{
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align: 'right',
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verticalAlign: 'top',
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offsetLeft: 0,
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offsetTop: 0
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}
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)
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if (typeof this.opts.badge === 'string') {
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opts = Object.assign(opts, { content: this.opts.badge })
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} else {
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opts = Object.assign(opts, this.opts.badge)
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}
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const badge = new Badge(opts)
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this.addChild(badge)
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this.badge = badge
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}
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this.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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return this
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}
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/**
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* Should be called to refresh the layout of the button. Can be used after resizing.
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*
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* @return {Button} A reference to the button for chaining.
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*/
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layout() {
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// Clear content
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//-----------------
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this.removeChild(this.content)
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this.content = new PIXI.Container()
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this.addChild(this.content)
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// Set the icon
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//-----------------
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let icon = null
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if (!this.active && this.iconInactive) {
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icon = this.iconInactive
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} else if (this.active && this.iconActive) {
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icon = this.iconActive
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}
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// Set the text
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//-----------------
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if (this.text) {
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this.text.position.set(0, 0)
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}
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// Width and Height
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//-----------------
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let width = 0
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if (icon && this.text) {
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width = icon.width + this.text.width + 3 * this.opts.padding
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} else if (icon) {
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width = icon.width + 2 * this.opts.padding
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} else if (this.text) {
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width = this.text.width + 2 * this.opts.padding
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}
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if (width < this.opts.minWidth) {
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width = this.opts.minWidth
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}
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let height = 0
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if (icon) {
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height = icon.height + 2 * this.opts.padding
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} else if (this.text) {
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height = this.text.height + 2 * this.opts.padding
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}
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if (height < this.opts.minHeight) {
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height = this.opts.minHeight
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}
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this._width = width
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this._height = height
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// Position icon and text
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//-----------------
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if (icon && this.text) {
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if (this.opts.iconPosition === 'right') {
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icon.x = this.text.width + this.opts.padding
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} else {
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this.text.x = icon.width + this.opts.padding
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}
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this.content.addChild(icon, this.text)
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} else if (icon) {
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this.content.addChild(icon)
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} else if (this.text) {
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this.content.addChild(this.text)
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}
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this.layoutInnerContent()
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this.layoutContent()
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this.icon = icon
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// badge
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//--------------------
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if (this.badge) {
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this.removeChild(this.badge)
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const width = this._width
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const height = this._height
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this.addChild(this.badge)
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const badge = this.badge
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switch (badge.opts.align) {
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case 'left':
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badge.x = -badge.width / 2 + badge.opts.offsetLeft
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break
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case 'center':
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badge.x = width / 2 - badge.width / 2 + badge.opts.offsetLeft
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break
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case 'right':
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badge.x = width - badge.width / 2 + badge.opts.offsetLeft
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}
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switch (badge.opts.verticalAlign) {
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case 'top':
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badge.y = -badge.height / 2 + badge.opts.offsetTop
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break
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case 'middle':
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badge.y = height / 2 - badge.height / 2 + badge.opts.offsetTop
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break
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case 'bottom':
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badge.y = height - badge.height / 2 + badge.opts.offsetTop
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}
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}
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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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* Calculates the positions of the content children (icon and/or text).
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*
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* @private
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* @return {Button} A reference to the button for chaining.
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*/
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layoutInnerContent() {
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for (let child of this.content.children) {
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switch (this.opts.verticalAlign) {
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case 'top':
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child.y = 0
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break
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case 'middle':
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child.y = this.content.height / 2 - child.height / 2
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break
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case 'bottom':
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child.y = this.content.height - child.height
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break
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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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* Sets the horizontal and vertical position of the content.
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* Uses the option keys "align" and "verticalAlign".
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*
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* @private
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* @return {Button} A reference to the button for chaining.
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*/
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layoutContent() {
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switch (this.opts.align) {
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case 'left':
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this.content.x = this.opts.padding
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break
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case 'center':
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this.content.x = (this._width - this.content.width) / 2
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break
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case 'right':
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this.content.x = this._width - this.opts.padding - this.content.width
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break
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}
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|
switch (this.opts.verticalAlign) {
|
|
case 'top':
|
|
this.content.y = this.opts.padding
|
|
break
|
|
case 'middle':
|
|
this.content.y = (this._height - this.content.height) / 2
|
|
break
|
|
case 'bottom':
|
|
this.content.y = this._height - this.opts.padding - this.content.height
|
|
break
|
|
}
|
|
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* Draws the canvas.
|
|
*
|
|
* @private
|
|
* @return {Button} A reference to the button for chaining.
|
|
*/
|
|
draw() {
|
|
this.button.clear()
|
|
if (this.active) {
|
|
this.button.lineStyle(this.opts.strokeActiveWidth, this.opts.strokeActive, this.opts.strokeActiveAlpha)
|
|
this.button.beginFill(this.opts.fillActive, this.opts.fillActiveAlpha)
|
|
} else {
|
|
this.button.lineStyle(this.opts.strokeWidth, this.opts.stroke, this.opts.strokeAlpha)
|
|
this.button.beginFill(this.opts.fill, this.opts.fillAlpha)
|
|
}
|
|
this.button.drawRoundedRect(0, 0, this._width, this._height, this.opts.radius)
|
|
this.button.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) {
|
|
if (this.text) {
|
|
this.text.style = this.opts.textStyleActive
|
|
}
|
|
} else {
|
|
if (this.text) {
|
|
this.text.style = this.opts.textStyle
|
|
}
|
|
}
|
|
|
|
this.layout()
|
|
}
|
|
|
|
/**
|
|
* Gets or sets the disabled state. When disabled, the button cannot be clicked.
|
|
*
|
|
* @member {boolean}
|
|
*/
|
|
get disabled() {
|
|
return this._disabled
|
|
}
|
|
set disabled(value) {
|
|
this._disabled = value
|
|
|
|
if (this._disabled) {
|
|
this.button.interactive = false
|
|
this.button.buttonMode = false
|
|
this.button.alpha = 0.5
|
|
if (this.icon) {
|
|
this.icon.alpha = 0.5
|
|
}
|
|
if (this.text) {
|
|
this.text.alpha = 0.5
|
|
}
|
|
} else {
|
|
this.button.interactive = true
|
|
this.button.buttonMode = true
|
|
this.button.alpha = 1
|
|
if (this.icon) {
|
|
this.icon.alpha = 1
|
|
}
|
|
if (this.text) {
|
|
this.text.alpha = 1
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Shows the button (sets his alpha values to 1).
|
|
*
|
|
* @return {Button} A reference to the button for chaining.
|
|
*/
|
|
show() {
|
|
this.opts.strokeAlpha = 1
|
|
this.opts.strokeActiveAlpha = 1
|
|
this.opts.fillAlpha = 1
|
|
this.opts.fillActiveAlpha = 1
|
|
|
|
this.layout()
|
|
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* Hides the button (sets his alpha values to 0).
|
|
*
|
|
* @return {Button} A reference to the button for chaining.
|
|
*/
|
|
hide() {
|
|
this.opts.strokeAlpha = 0.0
|
|
this.opts.strokeActiveAlpha = 0.0
|
|
this.opts.fillAlpha = 0.0000000001 // WORKAROUND: See https://github.com/pixijs/pixi.js/wiki/v5-Migration-Guide#graphics-interaction
|
|
this.opts.fillActiveAlpha = 0.0000000001
|
|
|
|
this.layout()
|
|
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* Loads an icon
|
|
*
|
|
* @private
|
|
* @param {string|PIXI.DisplayObject} icon - The icon to load.
|
|
* @param {number} color - The color of the icon (if not an PIXI.DisplayObject).
|
|
* @return {PIXI.DisplayObject} Return the icon as an PIXI.DisplayObject.
|
|
*/
|
|
loadIcon(icon, color) {
|
|
let displayObject = null
|
|
|
|
if (icon instanceof PIXI.DisplayObject) {
|
|
displayObject = icon
|
|
} else {
|
|
let size = 17
|
|
if (this.text) {
|
|
size = this.text.height
|
|
} else if (this.opts.minHeight) {
|
|
size = this.opts.minHeight - 2 * this.opts.padding
|
|
}
|
|
|
|
const url = Button.iconIsUrl(icon) ? icon : `../../assets/icons/${icon}.png`
|
|
const iconTexture = PIXI.Texture.from(url)
|
|
|
|
const sprite = new PIXI.Sprite(iconTexture)
|
|
sprite.tint = color
|
|
sprite.width = size
|
|
sprite.height = size
|
|
|
|
displayObject = sprite
|
|
}
|
|
|
|
return displayObject
|
|
}
|
|
|
|
/**
|
|
* Tests if an icon string is an url.
|
|
*
|
|
* @private
|
|
* @static
|
|
* @param {string} url - The url to test.
|
|
* @return {boolean} true if the url is an url to an image.
|
|
*/
|
|
static iconIsUrl(url) {
|
|
return /\.(png|svg|gif|jpg|jpeg|tif|tiff)$/i.test(url)
|
|
}
|
|
|
|
/**
|
|
* Gets or sets the color of the current icon (no matter how the status is). Changing the color, changes
|
|
* the tint property of the icon sprite.
|
|
*
|
|
* @member {number}
|
|
*/
|
|
get iconColor() {
|
|
return this.icon ? this.icon.tint : null
|
|
}
|
|
set iconColor(value) {
|
|
if (this.icon) {
|
|
this.icon.tint = value
|
|
}
|
|
}
|
|
|
|
onEnd(event) {
|
|
this.capture(event)
|
|
TweenLite.to([this.button, this.content], this.theme.fast, {
|
|
alpha: 1,
|
|
overwrite: 'none'
|
|
})
|
|
}
|
|
}
|