AdminLTE/build/js/PushMenu.js

/* PushMenu()
 * ==========
 * Adds the push menu functionality to the sidebar.
 *
 * @usage: $('.btn').pushMenu(options)
 *          or add [data-toggle="push-menu"] to any toggle button
 *          Pass any option as data-option="value"
 */
+function ($) {
  'use strict'

  var DataKey = 'lte.pushmenu'

  var Default = {
    collapseScreenSize   : 767,
    expandOnHover        : false,
    expandTransitionDelay: 200
  }

  var Selector = {
    collapsed     : '.sidebar-collapse',
    open          : '.sidebar-open',
    mainSidebar   : '.main-sidebar',
    contentWrapper: '.content-wrapper',
    searchInput   : '.sidebar-form .form-control',
    button        : '[data-toggle="push-menu"]',
    mini          : '.sidebar-mini',
    expanded      : '.sidebar-expanded-on-hover',
    layoutFixed   : '.fixed'
  }

  var ClassName = {
    collapsed    : 'sidebar-collapse',
    open         : 'sidebar-open',
    mini         : 'sidebar-mini',
    expanded     : 'sidebar-expanded-on-hover',
    expandFeature: 'sidebar-mini-expand-feature',
    layoutFixed  : 'fixed'
  }

  var Event = {
    expanded : 'expanded.pushMenu',
    collapsed: 'collapsed.pushMenu'
  }

  // PushMenu Class Definition
  // =========================
  var PushMenu = function (options) {
    this.options = options
    this.init()
  }

  PushMenu.prototype.init = function () {
    if (this.options.expandOnHover
      || ($('body').is(Selector.mini + Selector.layoutFixed))) {
      this.expandOnHover()
      $('body').addClass(ClassName.expandFeature)
    }

    $(Selector.contentWrapper).click(function () {
      // Enable hide menu when clicking on the content-wrapper on small screens
      if ($(window).width() <= this.options.collapseScreenSize && $('body').hasClass(ClassName.open)) {
        this.close()
      }
    }.bind(this))

    // __Fix for android devices
    $(Selector.searchInput).click(function (e) {
      e.stopPropagation()
    })
  }

  PushMenu.prototype.toggle = function () {
    var windowWidth = $(window).width()
    var isOpen      = !$('body').hasClass(ClassName.collapsed)

    if (windowWidth <= this.options.collapseScreenSize) {
      isOpen = $('body').hasClass(ClassName.open)
    }

    if (!isOpen) {
      this.open()
    } else {
      this.close()
    }
  }

  PushMenu.prototype.open = function () {
    var windowWidth = $(window).width()

    if (windowWidth > this.options.collapseScreenSize) {
      $('body').removeClass(ClassName.collapsed)
        .trigger($.Event(Event.expanded))
    }
    else {
      $('body').addClass(ClassName.open)
        .trigger($.Event(Event.expanded))
    }
  }

  PushMenu.prototype.close = function () {
    var windowWidth = $(window).width()
    if (windowWidth > this.options.collapseScreenSize) {
      $('body').addClass(ClassName.collapsed)
        .trigger($.Event(Event.collapsed))
    } else {
      $('body').removeClass(ClassName.open + ' ' + ClassName.collapsed)
        .trigger($.Event(Event.collapsed))
    }
  }

  PushMenu.prototype.expandOnHover = function () {
    $(Selector.mainSidebar).hover(function () {
      if ($('body').is(Selector.mini + Selector.collapsed)
        && $(window).width() > this.options.collapseScreenSize) {
        this.expand()
      }
    }.bind(this), function () {
      if ($('body').is(Selector.expanded)) {
        this.collapse()
      }
    }.bind(this))
  }

  PushMenu.prototype.expand = function () {
    setTimeout(function () {
      $('body').removeClass(ClassName.collapsed)
        .addClass(ClassName.expanded)
    }, this.options.expandTransitionDelay)
  }

  PushMenu.prototype.collapse = function () {
    setTimeout(function () {
      $('body').removeClass(ClassName.expanded)
        .addClass(ClassName.collapsed)
    }, this.options.expandTransitionDelay)
  }

  // PushMenu Plugin Definition
  // ==========================
  function Plugin(option) {
    return this.each(function () {
      var $this = $(this)
      var data  = $this.data(DataKey)

      if (!data) {
        var options = $.extend({}, Default, $this.data(), typeof option == 'object' && option)
        $this.data(DataKey, (data = new PushMenu(options)))
      }

      if (option == 'toggle') data.toggle()
    })
  }

  var old = $.fn.pushMenu

  $.fn.pushMenu             = Plugin
  $.fn.pushMenu.Constructor = PushMenu

  // No Conflict Mode
  // ================
  $.fn.pushMenu.noConflict = function () {
    $.fn.pushMenu = old
    return this
  }

  // Data API
  // ========
  $(document).on('click', Selector.button, function (e) {
    e.preventDefault()
    Plugin.call($(this), 'toggle')
  })
  $(window).on('load', function () {
    Plugin.call($(Selector.button))
  })
}(jQuery)