AdminLTE/build/js/PushMenu.js

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