An Open Source library for multi-touch, WebGL powered applications.
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<li class="parent " data-name="DeepZoomImage#destroyTilesAboveLevel"><a href="DeepZoomImage.html#destroyTilesAboveLevel">destroyTilesAboveLevel</a></li>
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<li class="parent " data-name="DeepZoomImage#ensureTiles"><a href="DeepZoomImage.html#ensureTiles">ensureTiles</a></li>
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<li class="parent " data-name="DeepZoomImage#levelForScale"><a href="DeepZoomImage.html#levelForScale">levelForScale</a></li>
<li class="parent " data-name="DeepZoomImage#neededTiles"><a href="DeepZoomImage.html#neededTiles">neededTiles</a></li>
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<span class="subtitle">Methods</span>
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<span class="subtitle">Methods</span>
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<a href="ModalInteractivePopup.html">ModalInteractivePopup</a>
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<ul class="typedefs itemMembers">
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<span class="title ">
<a href="PIXIApp.html">PIXIApp</a>
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<li class="parent " data-name="PIXIApp#center"><a href="PIXIApp.html#center">center</a></li>
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<li class="parent " data-name="PIXIApp#checkOrientation"><a href="PIXIApp.html#checkOrientation">checkOrientation</a></li>
<li class="parent " data-name="PIXIApp#convertPointFromNodeToPage"><a href="PIXIApp.html#convertPointFromNodeToPage">convertPointFromNodeToPage</a></li>
<li class="parent " data-name="PIXIApp#convertPointFromPageToNode"><a href="PIXIApp.html#convertPointFromPageToNode">convertPointFromPageToNode</a></li>
<li class="parent " data-name="PIXIApp#draw"><a href="PIXIApp.html#draw">draw</a></li>
<li class="parent " data-name="PIXIApp#expandRenderer"><a href="PIXIApp.html#expandRenderer">expandRenderer</a></li>
<li class="parent " data-name="PIXIApp#layout"><a href="PIXIApp.html#layout">layout</a></li>
<li class="parent " data-name="PIXIApp#loadSprites"><a href="PIXIApp.html#loadSprites">loadSprites</a></li>
<li class="parent " data-name="PIXIApp#loadTextures"><a href="PIXIApp.html#loadTextures">loadTextures</a></li>
<li class="parent " data-name="PIXIApp#message"><a href="PIXIApp.html#message">message</a></li>
<li class="parent " data-name="PIXIApp#modal"><a href="PIXIApp.html#modal">modal</a></li>
<li class="parent " data-name="PIXIApp#mutate"><a href="PIXIApp.html#mutate">mutate</a></li>
<li class="parent " data-name="PIXIApp#orientation"><a href="PIXIApp.html#orientation">orientation</a></li>
<li class="parent " data-name="PIXIApp#orientationChanged"><a href="PIXIApp.html#orientationChanged">orientationChanged</a></li>
<li class="parent " data-name="PIXIApp#progress"><a href="PIXIApp.html#progress">progress</a></li>
<li class="parent " data-name="PIXIApp#query"><a href="PIXIApp.html#query">query</a></li>
<li class="parent " data-name="PIXIApp#resize"><a href="PIXIApp.html#resize">resize</a></li>
<li class="parent " data-name="PIXIApp#setup"><a href="PIXIApp.html#setup">setup</a></li>
<li class="parent " data-name="PIXIApp#subscribe"><a href="PIXIApp.html#subscribe">subscribe</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Popup">
<span class="title ">
<a href="Popup.html">Popup</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class=" " data-name="Popup#content"><a href="Popup.html#content">content</a></li>
<li class=" " data-name="Popup#header"><a href="Popup.html#header">header</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class=" " data-name="Popup#hide"><a href="Popup.html#hide">hide</a></li>
<li class=" " data-name="Popup#layout"><a href="Popup.html#layout">layout</a></li>
<li class=" " data-name="Popup#show"><a href="Popup.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupInteractivePopup">
<span class="title ">
<a href="PopupInteractivePopup.html">PopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenu">
<span class="title ">
<a href="PopupMenu.html">PopupMenu</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class=" " data-name="PopupMenu#content"><a href="PopupMenu.html#content">content</a></li>
<li class=" " data-name="PopupMenu#header"><a href="PopupMenu.html#header">header</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class=" " data-name="PopupMenu#hide"><a href="PopupMenu.html#hide">hide</a></li>
<li class=" " data-name="PopupMenu#layout"><a href="PopupMenu.html#layout">layout</a></li>
<li class=" " data-name="PopupMenu#show"><a href="PopupMenu.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenuPopupInteractivePopup">
<span class="title ">
<a href="PopupMenuPopupInteractivePopup.html">PopupMenuPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenuPopupMenuPopupInteractivePopup">
<span class="title ">
<a href="PopupMenuPopupMenuPopupInteractivePopup.html">PopupMenuPopupMenuPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenuPopupMenuPopupPopupInteractivePopup">
<span class="title ">
<a href="PopupMenuPopupMenuPopupPopupInteractivePopup.html">PopupMenuPopupMenuPopupPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenuPopupPopupInteractivePopup">
<span class="title ">
<a href="PopupMenuPopupPopupInteractivePopup.html">PopupMenuPopupPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupPopupInteractivePopup">
<span class="title ">
<a href="PopupPopupInteractivePopup.html">PopupPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Progress">
<span class="title ">
<a href="Progress.html">Progress</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class="parent " data-name="Progress#progress"><a href="Progress.html#progress">progress</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Progress#hide"><a href="Progress.html#hide">hide</a></li>
<li class="parent " data-name="Progress#layout"><a href="Progress.html#layout">layout</a></li>
<li class="parent " data-name="Progress#show"><a href="Progress.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Scrollview">
<span class="title ">
<a href="Scrollview.html">Scrollview</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Scrollview#layout"><a href="Scrollview.html#layout">layout</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Slider">
<span class="title ">
<a href="Slider.html">Slider</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class="parent " data-name="Slider#disabled"><a href="Slider.html#disabled">disabled</a></li>
<li class="parent " data-name="Slider#value"><a href="Slider.html#value">value</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Slider#hide"><a href="Slider.html#hide">hide</a></li>
<li class="parent " data-name="Slider#layout"><a href="Slider.html#layout">layout</a></li>
<li class="parent " data-name="Slider#show"><a href="Slider.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Switch">
<span class="title ">
<a href="Switch.html">Switch</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class="parent " data-name="Switch#active"><a href="Switch.html#active">active</a></li>
<li class="parent " data-name="Switch#disabled"><a href="Switch.html#disabled">disabled</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Switch#hide"><a href="Switch.html#hide">hide</a></li>
<li class="parent " data-name="Switch#layout"><a href="Switch.html#layout">layout</a></li>
<li class="parent " data-name="Switch#show"><a href="Switch.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="TextLabel.TextLabel">
<span class="title ">
<a href="TextLabel.TextLabel.html">TextLabel.TextLabel</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Theme">
<span class="title ">
<a href="Theme.html">Theme</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Theme.fromString"><a href="Theme.html#.fromString">fromString</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="ThemeDark">
<span class="title ">
<a href="ThemeDark.html">ThemeDark</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="ThemeLight">
<span class="title ">
<a href="ThemeLight.html">ThemeLight</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="ThemeRed">
<span class="title ">
<a href="ThemeRed.html">ThemeRed</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="TileQuadNode">
<span class="title ">
<a href="TileQuadNode.html">TileQuadNode</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="TileQuadNode#link"><a href="TileQuadNode.html#link">link</a></li>
<li class="parent " data-name="TileQuadNode#noQuads"><a href="TileQuadNode.html#noQuads">noQuads</a></li>
<li class="parent " data-name="TileQuadNode#unlink"><a href="TileQuadNode.html#unlink">unlink</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Tooltip">
<span class="title ">
<a href="Tooltip.html">Tooltip</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class=" " data-name="Tooltip#content"><a href="Tooltip.html#content">content</a></li>
<li class=" " data-name="Tooltip#header"><a href="Tooltip.html#header">header</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class=" " data-name="Tooltip#hide"><a href="Tooltip.html#hide">hide</a></li>
<li class=" " data-name="Tooltip#layout"><a href="Tooltip.html#layout">layout</a></li>
<li class=" " data-name="Tooltip#show"><a href="Tooltip.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="UITest">
<span class="title ">
<a href="UITest.html">UITest</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class="parent " data-name="UITest#timeline"><a href="UITest.html#timeline">timeline</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="UITest#clear"><a href="UITest.html#clear">clear</a></li>
<li class="parent " data-name="UITest#pan"><a href="UITest.html#pan">pan</a></li>
<li class="parent " data-name="UITest#pinch"><a href="UITest.html#pinch">pinch</a></li>
<li class="parent " data-name="UITest#restart"><a href="UITest.html#restart">restart</a></li>
<li class="parent " data-name="UITest#start"><a href="UITest.html#start">start</a></li>
<li class="parent " data-name="UITest#stop"><a href="UITest.html#stop">stop</a></li>
<li class="parent " data-name="UITest#tap"><a href="UITest.html#tap">tap</a></li>
</ul>
<ul class="events itemMembers">
</ul>
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<li class="item" data-name="Volatile">
<span class="title ">
<a href="Volatile.html">Volatile</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Volatile#layout"><a href="Volatile.html#layout">layout</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
</ul>
</div>
<div class="main">
<h1 class="page-title" data-filename="pixi_button.js.html">Source: pixi/button.js</h1>
<section>
<header>
<div class="header content-size">
<h2>pixi/button.js</h2>
</div>
</header>
<article>
<pre id="source-code" class="prettyprint source linenums"><code>/* global PIXI TweenLite */
import Theme from './theme.js'
import Tooltip from './tooltip.js'
import Badge from './badge.js'
import Events from '../events.js'
/**
* Callback for the button action.
*
* @callback actionCallback
* @param {object} event - The event object.
* @param {Button} button - A reference to the button (also this refers to the button).
*/
/**
* Callback for the button beforeAction.
*
* @callback beforeActionCallback
* @param {object} event - The event object.
* @param {Button} button - A reference to the button (also this refers to the button).
*/
/**
* Callback for the button afterAction.
*
* @callback afterActionCallback
* @param {object} event - The event object.
* @param {Button} button - A reference to the button (also this refers to the button).
*/
/**
* Class that represents a PixiJS Button.
*
* @example
* // Create the button
* const button = new Button({
* label: 'My Button',
* action: () => console.log('Button was clicked')
* })
*
* // Add the button to a DisplayObject
* app.scene.addChild(button)
*
* @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/button.html|DocTest}
*/
export default class Button extends PIXI.Container {
/**
* Creates an instance of a Button.
*
* @constructor
* @param {object} [opts] - An options object to specify to style and behaviour of the button.
* @param {number} [opts.id=auto generated] - The id of the button.
* @param {string} [opts.label] - The label of the button.
* @param {number} [opts.x=0] - The x position of the button. Can be also set after creation with button.x = 0.
* @param {number} [opts.y=0] - The y position of the button. Can be also set after creation with button.y = 0.
* @param {string|Theme} [opts.theme=dark] - The theme to use for this button. Possible values are dark, light, red
* or a Theme object.
* @param {number} [opts.minWidth=44] - The minimum width of the button.
* @param {number} [opts.minHeight=44] - The minimum height of the button.
* @param {number} [opts.padding=Theme.padding] - The inner spacing (distance from icon and/or label) to the border.
* @param {string|PIXI.DisplayObject} [opts.icon] - The icon of the button. Can be a predefined one, an URL or an PIXI.DisplayObject.
* @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.
* @param {string} [opts.iconPosition=left] - The position of the icon in relation to the label. Can be left or right.
* @param {number} [opts.iconColor=Theme.iconColor] - The color of the icon (set by the tint property) as a hex value.
* @param {number} [opts.iconColorActive=Theme.iconColorActive] - The color of the icon when activated.
* @param {number} [opts.fill=Theme.fill] - The color of the button 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 button 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 {object} [opts.textStyle=Theme.textStyle] - A textstyle object for the styling of the label. See PIXI.TextStyle
* for possible options.
* @param {number} [opts.textStyleActive=Theme.textStyleActive] - A textstyle object for the styling of the label when the
* button is activated. See PIXI.TextStyle for possible options.
* @param {string} [opts.style=default] - A shortcut for styling options. Possible values are default, link.
* @param {number} [opts.radius=Theme.radius] - The radius of the four corners of the button (which is a rounded rectangle).
* @param {boolean} [opts.disabled=false] - Is the button disabled? When disabled, the button 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 button was triggered (by pointerup).
* @param {beforeActionCallback} [opts.beforeAction] - Executed before the main action is triggered.
* @param {afterActionCallback} [opts.afterAction] - Executed after the main action was triggered.
* @param {string} [opts.type=default] - The type of the button. Can be default or checkbox. When the type is
* checkbox, the active state is toggled automatically.
* @param {string} [opts.align=center] - The horizontal position of the label and the icon. Possible values are
* left, center and right. Only affects the style when the minWidth is bigger than the width of the icon and label.
* @param {string} [opts.verticalAlign=middle] - The vertical position of the label and the icon. Possible values are
* top, middle and button. Only affects the style when the minHeight is bigger than the height of the icon and label.
* @param {string|object} [opts.tooltip] - A string for the label of the tooltip or an object to configure the tooltip
* to display.
* @param {string|object} [opts.badge] - A string for the label of the badge or an object to configure the badge to display.
* If the parameter is an object, all badge options can be set plus the following:
* @param {string} [opts.badge.align=right] - The horizontal alignment of the badge. Possible values: left, center, right
* @param {string} [opts.badge.verticalAlign=top] - The vertical alignment of the badge. Possible values: top, middle, bottom
* @param {number} [opts.badge.offsetLeft=0] - The horizontal shift of the badge.
* @param {number} [opts.badge.offsetTop=0] - The vertical shift of the badge.
* @param {boolean} [opts.visible=true] - Is the button initially visible (property visible)?
*/
constructor(opts = {}) {
super()
const theme = Theme.fromString(opts.theme)
this.theme = theme
this.opts = Object.assign(
{},
{
id: PIXI.utils.uid(),
label: null,
x: 0,
y: 0,
minWidth: 44,
minHeight: 44,
padding: theme.padding,
icon: undefined,
iconActive: undefined,
iconPosition: 'left',
iconColor: theme.iconColor,
iconColorActive: theme.iconColorActive,
fill: theme.fill,
fillAlpha: theme.fillAlpha,
fillActive: theme.fillActive,
fillActiveAlpha: theme.fillActiveAlpha,
stroke: theme.stroke,
strokeWidth: theme.strokeWidth,
strokeAlpha: theme.strokeAlpha,
strokeActive: theme.strokeActive,
strokeActiveWidth: theme.strokeActiveWidth,
strokeActiveAlpha: theme.strokeActiveAlpha,
textStyle: theme.textStyle,
textStyleActive: theme.textStyleActive,
style: 'default',
radius: theme.radius,
disabled: false,
active: false,
action: null,
beforeAction: null,
afterAction: null,
type: 'default',
align: 'center',
verticalAlign: 'middle',
tooltip: null,
badge: null,
visible: true
},
opts
)
this.id = this.opts.id
if (
typeof this.opts.icon === 'undefined' &amp;&amp;
typeof this.opts.iconActive !== 'undefined'
) {
this.opts.icon = this.opts.iconActive
} else if (
typeof this.opts.icon !== 'undefined' &amp;&amp;
typeof this.opts.iconActive === 'undefined'
) {
this.opts.iconActive = this.opts.icon
}
if (this.opts.style === 'link') {
Object.assign(this.opts, {
strokeAlpha: 0,
strokeActiveAlpha: 0,
fillAlpha: 0,
fillActiveAlpha: 0
})
}
this._active = null
this._disabled = null
this.iconInactive = null
this.iconActive = null
this.text = null
this.button = null
this.content = null
this.tooltip = null
this.badge = null
this.visible = this.opts.visible
// setup
//-----------------
this.setup()
}
/**
* Captures an event to inform InteractionMapper about processed events.
*
* @param {event|PIXI.InteractionEvent} event - The PIXI event to capture.
*/
capture(event) {
Events.capturedBy(event.data.originalEvent, this)
}
/**
* Creates children and instantiates everything.
*
* @private
* @return {Button} A reference to the button for chaining.
*/
setup() {
// Button
//-----------------
let button = new PIXI.Graphics()
this.button = button
this.addChild(button)
// Content
//-----------------
let content = new PIXI.Container()
this.content = content
this.addChild(content)
// Text
//-----------------
if (this.opts.label) {
this.text = new PIXI.Text(this.opts.label, this.opts.textStyle)
}
// Icon
//-----------------
if (this.opts.icon) {
this.iconInactive = this.loadIcon(
this.opts.icon,
this.opts.iconColor
)
}
if (this.opts.iconActive) {
this.iconActive = this.loadIcon(
this.opts.iconActive,
this.opts.iconColorActive
)
}
// interaction
//-----------------
this.button.on('pointerover', e => {
this.capture(e)
TweenLite.to([this.button, this.content], this.theme.fast, {
alpha: 0.83,
overwrite: 'none'
})
})
this.button.on('pointermove', e => {
this.capture(e)
})
this.button.on('pointerout', e => {
this.capture(e)
TweenLite.to([this.button, this.content], this.theme.fast, {
alpha: 1,
overwrite: 'none'
})
})
// eslint-disable-next-line no-unused-vars
this.button.on('pointerdown', e => {
//this.capture(e)
TweenLite.to([this.button, this.content], this.theme.fast, {
alpha: 0.7,
overwrite: 'none'
})
})
this.button.on('pointerup', e => {
this.capture(e)
if (this.opts.beforeAction) {
this.opts.beforeAction.call(this, e, this)
}
if (this.opts.action) {
this.opts.action.call(this, e, this)
}
TweenLite.to([this.button, this.content], this.theme.fast, {
alpha: 0.83,
overwrite: 'none'
})
if (this.opts.type === 'checkbox') {
this.active = !this.active
}
if (this.opts.afterAction) {
this.opts.afterAction.call(this, e, this)
}
})
// disabled
//-----------------
this.disabled = this.opts.disabled
// active
//-----------------
this.active = this.opts.active // calls .layout()
// 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.assign(
{},
{ object: this },
this.opts.tooltip
)
this.tooltip = new Tooltip(this.opts.tooltip)
}
}
// badge
//-----------------
if (this.opts.badge) {
let opts = Object.assign(
{},
{
align: 'right',
verticalAlign: 'top',
offsetLeft: 0,
offsetTop: 0
}
)
if (typeof this.opts.badge === 'string') {
opts = Object.assign(opts, { content: this.opts.badge })
} else {
opts = Object.assign(opts, this.opts.badge)
}
const badge = new Badge(opts)
switch (opts.align) {
case 'left':
badge.x = this.x - badge.width / 2 + opts.offsetLeft
break
case 'center':
badge.x =
this.x +
this.width / 2 -
badge.width / 2 +
opts.offsetLeft
break
case 'right':
badge.x =
this.x + this.width - badge.width / 2 + opts.offsetLeft
}
switch (opts.verticalAlign) {
case 'top':
badge.y = this.y - badge.height / 2 + opts.offsetTop
break
case 'middle':
badge.y =
this.y +
this.height / 2 -
badge.height / 2 +
opts.offsetTop
break
case 'bottom':
badge.y =
this.y + this.height - badge.height / 2 + opts.offsetTop
}
this.addChild(badge)
this.badge = badge
}
// set position
//-----------------
this.position.set(this.opts.x, this.opts.y)
return this
}
/**
* Should be called to refresh the layout of the button. Can be used after resizing.
*
* @return {Button} A reference to the button for chaining.
*/
layout() {
// Clear content
//-----------------
this.removeChild(this.content)
this.content = new PIXI.Container()
this.addChild(this.content)
// Set the icon
//-----------------
let icon = null
if (!this.active &amp;&amp; this.iconInactive) {
icon = this.iconInactive
} else if (this.active &amp;&amp; this.iconActive) {
icon = this.iconActive
}
// Set the text
//-----------------
if (this.text) {
this.text.position.set(0, 0)
}
// Width and Height
//-----------------
let width = 0
if (icon &amp;&amp; this.text) {
width = icon.width + this.text.width + 3 * this.opts.padding
} else if (icon) {
width = icon.width + 2 * this.opts.padding
} else if (this.text) {
width = this.text.width + 2 * this.opts.padding
}
if (width &lt; this.opts.minWidth) {
width = this.opts.minWidth
}
let height = 0
if (icon) {
height = icon.height + 2 * this.opts.padding
} else if (this.text) {
height = this.text.height + 2 * this.opts.padding
}
if (height &lt; this.opts.minHeight) {
height = this.opts.minHeight
}
this._width = width
this._height = height
// Position icon and text
//-----------------
if (icon &amp;&amp; this.text) {
if (this.opts.iconPosition === 'right') {
icon.x = this.text.width + this.opts.padding
} else {
this.text.x = icon.width + this.opts.padding
}
this.content.addChild(icon, this.text)
} else if (icon) {
this.content.addChild(icon)
} else if (this.text) {
this.content.addChild(this.text)
}
this.layoutInnerContent()
this.layoutContent()
this.icon = icon
// draw
//-----------------
this.draw()
return this
}
/**
* Calculates the positions of the content children (icon and/or text).
*
* @private
* @return {Button} A reference to the button for chaining.
*/
layoutInnerContent() {
for (let child of this.content.children) {
switch (this.opts.verticalAlign) {
case 'top':
child.y = 0
break
case 'middle':
child.y = this.content.height / 2 - child.height / 2
break
case 'bottom':
child.y = this.content.height - child.height
break
}
}
return this
}
/**
* Sets the horizontal and vertical position of the content.
* Uses the option keys "align" and "verticalAlign".
*
* @private
* @return {Button} A reference to the button for chaining.
*/
layoutContent() {
switch (this.opts.align) {
case 'left':
this.content.x = this.opts.padding
break
case 'center':
this.content.x = (this._width - this.content.width) / 2
break
case 'right':
this.content.x =
this._width - this.opts.padding - this.content.width
break
}
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
this.opts.strokeActiveAlpha = 0
this.opts.fillAlpha = 0
this.opts.fillActiveAlpha = 0
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/${icon}.png`
const iconTexture = PIXI.Texture.fromImage(url, true)
const sprite = new PIXI.Sprite(iconTexture)
sprite.tint = color
sprite.width = size
sprite.height = size
displayObject = sprite
}
return displayObject
}
/**
* Tests if an icon string is an url.
*
* @private
* @static
* @param {string} url - The url to test.
* @return {boolean} true if the url is an url to an image.
*/
static iconIsUrl(url) {
return /\.(png|svg|gif|jpg|jpeg|tif|tiff)$/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
}
}
}
</code></pre>
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