115 lines
3.4 KiB
JavaScript
115 lines
3.4 KiB
JavaScript
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import Theme from './theme.js'
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import Popup from './popup.js'
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/**
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* Class that represents a PixiJS PopupMenu.
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*
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* @example
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* // Create the button and the modal when clicked
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* const button = new Button({
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* label: 'Show PopupMenu',
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* action: e => {
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* const popupmenu = new PopupMenu({
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* items: [
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* {label: 'Save', action: () => alert('Saved')},
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* {label: 'Edit', action: () => alert('Edited')},
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* {label: 'Delete', action: () => alert('Deleted')}
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* ]
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* })
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* app.scene.addChild(popupmenu)
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* }
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* })
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*
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* // Add the button to a DisplayObject
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* app.scene.addChild(button)
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*
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* @class
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* @extends Popup
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* @see {@link https://www.iwm-tuebingen.de/iwmbrowser/lib/pixi/popupmenu.html|DocTest}
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*/
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export default class PopupMenu extends Popup {
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/**
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* Creates an instance of a PopupMenu.
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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 modal.
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* @param {object[]} [opts.items=[]] - A list of the menu items. Each item must be of type object.
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* If an object has a label property, a PIXI.Text object is created (using the textStyle property).
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* If an object hasn't a label property, it must contain a content property which has to be a
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* PIXI.DisplayObject.
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* @param {number} [opts.margin=Theme.margin / 2] - The app where the modal belongs to.
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* @param {object} [opts.textStyle=Theme.textStyle] - The color of the background.
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* @param {boolean} [opts.closeOnPopup=true] - The opacity of the background.
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*/
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constructor(opts = {}) {
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const theme = Theme.fromString(opts.theme)
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opts = Object.assign({}, {
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items: [],
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margin: theme.margin / 2,
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textStyle: theme.textStyle,
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closeOnPopup: true
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}, opts)
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super(opts)
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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 {PopupMenu} A reference to the popupmenu for chaining.
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*/
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setup() {
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// content
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//-----------------
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const content = new PIXI.Container()
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let y = 0
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for (let item of this.opts.items) {
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let object = null
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if (item.label) {
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object = new PIXI.Text(item.label, item.textStyle || this.opts.textStyle)
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} else {
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object = item.content
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}
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object.y = y
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if (item.action) {
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if (item.disabled) {
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object.alpha = .5
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} else {
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object.interactive = true
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object.buttonMode = true
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}
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object.on('pointerover', e => {
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TweenLite.to(object, this.theme.fast, {alpha: .83, overwrite: 'none'})
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})
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object.on('pointerout', e => {
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TweenLite.to(object, this.theme.fast, {alpha: 1, overwrite: 'none'})
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})
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object.on('pointerup', e => {
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item.action.call(object, e, object)
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if (this.opts.closeOnAction) {
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this.hide()
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}
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})
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}
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content.addChild(object)
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y += object.height + this.opts.margin
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}
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this.opts.content = content
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super.setup()
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}
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}
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