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static_files/AdminLTE-3.2.0/build/js/Treeview.js

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+/**
+ * --------------------------------------------
+ * AdminLTE Treeview.js
+ * License MIT
+ * --------------------------------------------
+ */
+
+import $ from 'jquery'
+
+/**
+ * Constants
+ * ====================================================
+ */
+
+const NAME = 'Treeview'
+const DATA_KEY = 'lte.treeview'
+const EVENT_KEY = `.${DATA_KEY}`
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+
+const EVENT_EXPANDED = `expanded${EVENT_KEY}`
+const EVENT_COLLAPSED = `collapsed${EVENT_KEY}`
+const EVENT_LOAD_DATA_API = `load${EVENT_KEY}`
+
+const SELECTOR_LI = '.nav-item'
+const SELECTOR_LINK = '.nav-link'
+const SELECTOR_TREEVIEW_MENU = '.nav-treeview'
+const SELECTOR_OPEN = '.menu-open'
+const SELECTOR_DATA_WIDGET = '[data-widget="treeview"]'
+
+const CLASS_NAME_OPEN = 'menu-open'
+const CLASS_NAME_IS_OPENING = 'menu-is-opening'
+const CLASS_NAME_SIDEBAR_COLLAPSED = 'sidebar-collapse'
+
+const Default = {
+  trigger: `${SELECTOR_DATA_WIDGET} ${SELECTOR_LINK}`,
+  animationSpeed: 300,
+  accordion: true,
+  expandSidebar: false,
+  sidebarButtonSelector: '[data-widget="pushmenu"]'
+}
+
+/**
+ * Class Definition
+ * ====================================================
+ */
+class Treeview {
+  constructor(element, config) {
+    this._config = config
+    this._element = element
+  }
+
+  // Public
+
+  init() {
+    $(`${SELECTOR_LI}${SELECTOR_OPEN} ${SELECTOR_TREEVIEW_MENU}${SELECTOR_OPEN}`).css('display', 'block')
+    this._setupListeners()
+  }
+
+  expand(treeviewMenu, parentLi) {
+    const expandedEvent = $.Event(EVENT_EXPANDED)
+
+    if (this._config.accordion) {
+      const openMenuLi = parentLi.siblings(SELECTOR_OPEN).first()
+      const openTreeview = openMenuLi.find(SELECTOR_TREEVIEW_MENU).first()
+      this.collapse(openTreeview, openMenuLi)
+    }
+
+    parentLi.addClass(CLASS_NAME_IS_OPENING)
+    treeviewMenu.stop().slideDown(this._config.animationSpeed, () => {
+      parentLi.addClass(CLASS_NAME_OPEN)
+      $(this._element).trigger(expandedEvent)
+    })
+
+    if (this._config.expandSidebar) {
+      this._expandSidebar()
+    }
+  }
+
+  collapse(treeviewMenu, parentLi) {
+    const collapsedEvent = $.Event(EVENT_COLLAPSED)
+
+    parentLi.removeClass(`${CLASS_NAME_IS_OPENING} ${CLASS_NAME_OPEN}`)
+    treeviewMenu.stop().slideUp(this._config.animationSpeed, () => {
+      $(this._element).trigger(collapsedEvent)
+      treeviewMenu.find(`${SELECTOR_OPEN} > ${SELECTOR_TREEVIEW_MENU}`).slideUp()
+      treeviewMenu.find(SELECTOR_OPEN).removeClass(`${CLASS_NAME_IS_OPENING} ${CLASS_NAME_OPEN}`)
+    })
+  }
+
+  toggle(event) {
+    const $relativeTarget = $(event.currentTarget)
+    const $parent = $relativeTarget.parent()
+
+    let treeviewMenu = $parent.find(`> ${SELECTOR_TREEVIEW_MENU}`)
+
+    if (!treeviewMenu.is(SELECTOR_TREEVIEW_MENU)) {
+      if (!$parent.is(SELECTOR_LI)) {
+        treeviewMenu = $parent.parent().find(`> ${SELECTOR_TREEVIEW_MENU}`)
+      }
+
+      if (!treeviewMenu.is(SELECTOR_TREEVIEW_MENU)) {
+        return
+      }
+    }
+
+    event.preventDefault()
+
+    const parentLi = $relativeTarget.parents(SELECTOR_LI).first()
+    const isOpen = parentLi.hasClass(CLASS_NAME_OPEN)
+
+    if (isOpen) {
+      this.collapse($(treeviewMenu), parentLi)
+    } else {
+      this.expand($(treeviewMenu), parentLi)
+    }
+  }
+
+  // Private
+
+  _setupListeners() {
+    const elementId = this._element.attr('id') !== undefined ? `#${this._element.attr('id')}` : ''
+    $(document).on('click', `${elementId}${this._config.trigger}`, event => {
+      this.toggle(event)
+    })
+  }
+
+  _expandSidebar() {
+    if ($('body').hasClass(CLASS_NAME_SIDEBAR_COLLAPSED)) {
+      $(this._config.sidebarButtonSelector).PushMenu('expand')
+    }
+  }
+
+  // Static
+
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      let data = $(this).data(DATA_KEY)
+      const _options = $.extend({}, Default, $(this).data())
+
+      if (!data) {
+        data = new Treeview($(this), _options)
+        $(this).data(DATA_KEY, data)
+      }
+
+      if (config === 'init') {
+        data[config]()
+      }
+    })
+  }
+}
+
+/**
+ * Data API
+ * ====================================================
+ */
+
+$(window).on(EVENT_LOAD_DATA_API, () => {
+  $(SELECTOR_DATA_WIDGET).each(function () {
+    Treeview._jQueryInterface.call($(this), 'init')
+  })
+})
+
+/**
+ * jQuery API
+ * ====================================================
+ */
+
+$.fn[NAME] = Treeview._jQueryInterface
+$.fn[NAME].Constructor = Treeview
+$.fn[NAME].noConflict = function () {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Treeview._jQueryInterface
+}
+
+export default Treeview