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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<a href="ModalInteractivePopup.html">ModalInteractivePopup</a>
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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>
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<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>
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</ul>
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<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>
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<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>
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</ul>
</li>
<li class="item" data-name="ThemeDark">
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</ul>
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</ul>
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<li class="item" data-name="ThemeLight">
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</ul>
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</ul>
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</ul>
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</ul>
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<li class="item" data-name="ThemeRed">
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<a href="ThemeRed.html">ThemeRed</a>
</span>
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<ul class="typedefs itemMembers">
</ul>
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</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>
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<ul class="typedefs itemMembers">
</ul>
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<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>
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</ul>
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<li class=" " data-name="Tooltip#content"><a href="Tooltip.html#content">content</a></li>
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<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>
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<li class="item" data-name="UITest">
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</span>
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</ul>
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</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>
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<li class="item" data-name="Volatile">
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<a href="Volatile.html">Volatile</a>
</span>
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</ul>
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</ul>
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</ul>
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<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_list.js.html">Source: pixi/list.js</h1>
<section>
<header>
<div class="header content-size">
<h2>pixi/list.js</h2>
</div>
</header>
<article>
<pre id="source-code" class="prettyprint source linenums"><code>/* globals */
/* Imports */
import Events from '../events.js'
/**
* Class that represents a PixiJS List.
*
* @example
* const elephant1 = PIXI.Sprite.fromImage('./assets/elephant-1.jpg')
* const elephant2 = PIXI.Sprite.fromImage('./assets/elephant-2.jpg')
*
* // Create the list
* const list = new List([elephant1, elephant2])
*
* app.scene.addChild(list)
*
* @class
* @extends PIXI.Container
* @see {@link http://pixijs.download/dev/docs/PIXI.Container.html|PixiJS Container}
* @see {@link https://www.iwm-tuebingen.de/iwmbrowser/lib/pixi/list.html|DocTest}
*/
export default class List extends PIXI.Container {
/**
* Creates an instance of a Flippable.
*
* @constructor
* @param {PIXI.DisplayObject[]} items - An array of PIXI.DisplayObjects.
* @param {object} [opts] - An options object which can contain the following properties.
* @param {number} [opts.width] - The width of the list. If the items are larger than this width, the overflow
* will be hidden.
* @param {number} [opts.height] - The height of the list. If the items are larger than this height, the overflow
* will be hidden.
* @param {number} [opts.padding=10] - The inner spacing (distance from one item to the previous/next item).
* @param {number} [opts.margin=10] - The outer spacing (distance from one item to the border).
* @param {string} [opts.orientation=vertical] - The orientation of the button group. Can be horizontal or vertical.
* @param {string} [opts.align=left] - The horizontal position of the items. Possible values are
* left, center and right.
* @param {string} [opts.verticalAlign=middle] - The vertical position of the items. Possible values are
* top, middle and bottom.
* @param {PIXI.Application} [opts.app] - The PixiJS Application. Must be set if you want to use the mousewheel to
* scroll your list.
*/
constructor(items = [], opts = {}) {
super()
this.opts = Object.assign(
{},
{
padding: 10,
margin: 10,
orientation: 'vertical',
align: 'left',
verticalAlign: 'middle',
width: null,
height: null,
app: null
},
opts
)
this.__items = items
this.__dragging = false
// setup
//--------------------
this.setup()
}
/**
* Creates children and instantiates everything.
*
* @private
* @return {List} A reference to the list for chaining.
*/
setup() {
// inner container
//--------------------
const container = new PIXI.Container()
this.addChild(container)
this.container = container
// mask
//--------------------
const mask = new PIXI.Graphics()
this.addChild(mask)
this.__mask = mask
// add items
//--------------------
for (let item of this.__items) {
container.addChild(item)
}
// interaction
//--------------------
this.interactive = this.opts.width || this.opts.height
this.on('pointerdown', this.onStart.bind(this))
this.on('pointermove', this.onMove.bind(this))
this.on('pointerup', this.onEnd.bind(this))
this.on('pointercancel', this.onEnd.bind(this))
this.on('pointerout', this.onEnd.bind(this))
this.on('pointerupoutside', this.onEnd.bind(this))
this.on('scroll', this.onScroll.bind(this))
// mousewheel
//--------------------
if (this.opts.app) {
const app = this.opts.app
app.view.addEventListener('mousewheel', event => {
const bounds = this.mask
? this.mask.getBounds()
: this.getBounds()
const x = event.clientX - app.view.getBoundingClientRect().left
const y = event.clientY - app.view.getBoundingClientRect().top
if (bounds.contains(x, y)) {
event.preventDefault()
this.emit('scroll', event)
}
})
}
this.layout()
return this
}
/**
* Replaces the existing items and relayouts the list.
*
* @param {PIXI.DisplayObject[]} items - An array of PIXI.DisplayObjects.
* @return {List} A reference to the list for chaining.
*/
setItems(items) {
this.container.removeChildren()
this.__items = items
for (let item of this.__items) {
this.container.addChild(item)
}
this.layout()
}
/**
* Should be called to refresh the layout of the list (the width or the height).
*
* @return {List} A reference to the list for chaining.
*/
layout() {
const margin = this.opts.margin
let x = margin
let y = margin
for (let item of this.__items) {
item.x = x
item.y = y
if (this.opts.orientation === 'vertical') {
y += item.height + this.opts.padding
} else {
x += item.width + this.opts.padding
}
}
// vertical
//--------------------
if (this.opts.orientation === 'vertical') {
switch (this.opts.align) {
case 'center':
this.__items.forEach(
it => (it.x = margin + this.width / 2 - it.width / 2)
)
break
case 'right':
this.__items.forEach(
it => (it.x = margin + this.width - it.width)
)
break
default:
this.__items.forEach(it => (it.x = margin))
break
}
if (this.opts.height) {
const mask = this.__mask
mask.clear()
mask.beginFill(0x000)
mask.drawRect(0, 0, this.width + 2 * margin, this.opts.height)
this.mask = mask
this.interactive = this.innerHeight > this.opts.height
}
}
// horizontal
//--------------------
if (this.opts.orientation === 'horizontal') {
switch (this.opts.verticalAlign) {
case 'top':
this.__items.forEach(it => (it.y = margin))
break
case 'bottom':
this.__items.forEach(
it => (it.y = margin + this.height - it.height)
)
break
default:
this.__items.forEach(
it => (it.y = margin + this.height / 2 - it.height / 2)
)
break
}
if (this.opts.width) {
const mask = this.__mask
mask.clear()
mask.beginFill(0x000)
mask.drawRect(0, 0, this.opts.width, this.height + 2 * margin)
this.mask = mask
this.interactive = this.innerWidth > this.opts.width
}
}
return this
}
/**
*
*/
get innerWidth() {
let size = 0
this.__items.forEach(it => (size += it.width))
size += this.opts.padding * (this.__items.length - 1)
size += 2 * this.opts.margin
return size
}
/**
*
*/
get innerHeight() {
let size = 0
this.__items.forEach(it => (size += it.height))
size += this.opts.padding * (this.__items.length - 1)
size += 2 * this.opts.margin
return size
}
/**
* Resizes the list.
*
* @param {number} widthOrHeight - The new width (if orientation is horizontal) or height (if orientation is vertical) of the list.
*/
resize(widthOrHeight) {
if (this.opts.orientation === 'horizontal') {
this.opts.width = widthOrHeight
} else {
this.opts.height = widthOrHeight
}
this.layout()
}
/**
*
* @private
* @param {*} event
*/
onStart(event) {
this.__dragging = true
this.capture(event)
this.__delta = {
x: this.container.position.x - event.data.global.x,
y: this.container.position.y - event.data.global.y
}
TweenLite.killTweensOf(this.container.position, { x: true, y: true })
if (typeof ThrowPropsPlugin != 'undefined') {
ThrowPropsPlugin.track(this.container.position, 'x,y')
}
}
/**
*
* @private
* @param {*} event
*/
onMove(event) {
if (this.__dragging) {
this.capture(event)
if (this.opts.orientation === 'horizontal') {
this.container.position.x = event.data.global.x + this.__delta.x
} else {
this.container.position.y = event.data.global.y + this.__delta.y
}
}
}
/**
*
* @private
* @param {*} event
*/
onEnd(event) {
if (this.__dragging) {
this.__dragging = false
this.capture(event)
const throwProps = {}
if (this.opts.orientation === 'horizontal') {
let min = this.opts.width - this.innerWidth
min = min > 0 ? 0 : min
throwProps.x = {
velocity: 'auto',
min,
max: 0
}
} else {
let min = this.opts.height - this.innerHeight
min = min > 0 ? 0 : min
throwProps.y = {
velocity: 'auto',
min,
max: 0
}
}
if (typeof ThrowPropsPlugin != 'undefined') {
ThrowPropsPlugin.to(
this.container.position,
{
throwProps,
ease: Strong.easeOut,
onComplete: () =>
ThrowPropsPlugin.untrack(this.container.position)
},
0.8,
0.4
)
}
}
}
/**
*
* @private
* @param {*} event
*/
onScroll(event) {
this.capture(event)
if (this.opts.orientation === 'horizontal') {
this.container.position.x -= event.deltaX
if (this.container.position.x > 0) {
this.container.position.x = 0
} else if (
this.container.position.x + this.innerWidth &lt;
this.opts.width
) {
this.container.position.x = this.opts.width - this.innerWidth
}
} else {
this.container.position.y -= event.deltaY
if (this.container.position.y > 0) {
this.container.position.y = 0
} else if (
this.container.position.y + this.innerHeight &lt;
this.opts.height
) {
this.container.position.y = this.opts.height - this.innerHeight
}
}
}
/**
* Captures an event to inform InteractionMapper about processed events.
*
* @param {event|PIXI.InteractionEvent} event - The PIXI event to capture.
*/
capture(event) {
const originalEvent =
event.data &amp;&amp; event.data.originalEvent
? event.data.originalEvent
: event
Events.capturedBy(originalEvent, this)
}
}
</code></pre>
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