Anjing Webshells

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: / var / canvas / node_modules / jqueryui /
Filename : menu.js
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/* eslint-disable eslint-comments/no-unlimited-disable */
/* eslint-disable */
/*!
 * jQuery UI Menu 1.9.2
 * http://jqueryui.com
 *
 * Copyright 2012 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/menu/
 *
 * Depends:
 *	jquery.ui.core.js
 *	jquery.ui.widget.js
 *	jquery.ui.position.js
 */
import $ from 'jquery'
import './core'
import './widget'
//(function( $, undefined ) {

  var mouseHandled = false;

  $.widget( "ui.menu", {
    version: "1.9.2",
    defaultElement: "<ul>",
    delay: 300,
    options: {
      icons: {
        submenu: "ui-icon-carat-1-e"
      },
      menus: "ul",
      position: {
        my: "left top",
        at: "right top"
      },
      role: "menu",

      // callbacks
      blur: null,
      focus: null,
      select: null
    },

    _create: function() {
      this.activeMenu = this.element;
      this.element
        .uniqueId()
        .addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
        .toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length )
        .attr({
          role: this.options.role,
          tabIndex: 0
        })
        // need to catch all clicks on disabled menu
        // not possible through _on
        .bind( "click" + this.eventNamespace, $.proxy(function( event ) {
          if ( this.options.disabled ) {
            event.preventDefault();
          }
        }, this ));

      if ( this.options.disabled ) {
        this.element
          .addClass( "ui-state-disabled" )
          .attr( "aria-disabled", "true" );
      }

      this._on({
        // Prevent focus from sticking to links inside menu after clicking
        // them (focus should always stay on UL during navigation).
        "mousedown .ui-menu-item > a": function( event ) {
          event.preventDefault();
        },
        "click .ui-state-disabled > a": function( event ) {
          event.preventDefault();
        },
        "click .ui-menu-item:has(a)": function( event ) {
          var target = $( event.target ).closest( ".ui-menu-item" );
          if ( !mouseHandled && target.not( ".ui-state-disabled" ).length ) {
            mouseHandled = true;

            this.select( event );
            // Open submenu on click
            if ( target.has( ".ui-menu" ).length ) {
              this.expand( event );
            } else if ( !this.element.is( ":focus" ) ) {
              // Redirect focus to the menu
              this.element.trigger( "focus", [ true ] );

              // If the active item is on the top level, let it stay active.
              // Otherwise, blur the active item since it is no longer visible.
              if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
                clearTimeout( this.timer );
              }
            }
          }
        },
        "mouseenter .ui-menu-item": function( event ) {
          var target = $( event.currentTarget );
          // Remove ui-state-active class from siblings of the newly focused menu item
          // to avoid a jump caused by adjacent elements both having a class with a border
          target.siblings().children( ".ui-state-active" ).removeClass( "ui-state-active" );
          this.focus( event, target );
        },
        mouseleave: "collapseAll",
        "mouseleave .ui-menu": "collapseAll",
        focus: function( event, keepActiveItem ) {
          // If there's already an active item, keep it active
          // If not, activate the first item
          var item = this.active || this.element.children( ".ui-menu-item" ).eq( 0 );

          if ( !keepActiveItem ) {
            this.focus( event, item );
          }
        },
        blur: function( event ) {
          this._delay(function() {
            if ( !$.contains( this.element[0], this.document[0].activeElement ) ) {
              this.collapseAll( event );
            }
          });
        },
        keydown: "_keydown"
      });

      this.refresh();

      // Clicks outside of a menu collapse any open menus
      this._on( this.document, {
        click: function( event ) {
          if ( !$( event.target ).closest( ".ui-menu" ).length ) {
            this.collapseAll( event );
          }

          // Reset the mouseHandled flag
          mouseHandled = false;
        }
      });
    },

    _destroy: function() {
      // Destroy (sub)menus
      this.element
        .removeAttr( "aria-activedescendant" )
        .find( ".ui-menu" ).andSelf()
        .removeClass( "ui-menu ui-widget ui-widget-content ui-corner-all ui-menu-icons" )
        .removeAttr( "role" )
        .removeAttr( "tabIndex" )
        .removeAttr( "aria-labelledby" )
        .removeAttr( "aria-expanded" )
        .removeAttr( "aria-hidden" )
        .removeAttr( "aria-disabled" )
        .removeUniqueId()
        .show();

      // Destroy menu items
      this.element.find( ".ui-menu-item" )
        .removeClass( "ui-menu-item" )
        .removeAttr( "role" )
        .removeAttr( "aria-disabled" )
        .children( "a" )
        .removeUniqueId()
        .removeClass( "ui-corner-all ui-state-hover" )
        .removeAttr( "tabIndex" )
        .removeAttr( "role" )
        .removeAttr( "aria-haspopup" )
        .children().each( function() {
        var elem = $( this );
        if ( elem.data( "ui-menu-submenu-carat" ) ) {
          elem.remove();
        }
      });

      // Destroy menu dividers
      this.element.find( ".ui-menu-divider" ).removeClass( "ui-menu-divider ui-widget-content" );
    },

    _keydown: function( event ) {
      var match, prev, character, skip, regex,
        preventDefault = true;

      function escape( value ) {
        return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" );
      }

      switch ( event.keyCode ) {
        case $.ui.keyCode.PAGE_UP:
          this.previousPage( event );
          break;
        case $.ui.keyCode.PAGE_DOWN:
          this.nextPage( event );
          break;
        case $.ui.keyCode.HOME:
          this._move( "first", "first", event );
          break;
        case $.ui.keyCode.END:
          this._move( "last", "last", event );
          break;
        case $.ui.keyCode.UP:
          this.previous( event );
          break;
        case $.ui.keyCode.DOWN:
          this.next( event );
          break;
        case $.ui.keyCode.LEFT:
          this.collapse( event );
          break;
        case $.ui.keyCode.RIGHT:
          if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
            this.expand( event );
          }
          break;
        case $.ui.keyCode.ENTER:
        case $.ui.keyCode.SPACE:
          this._activate( event );
          break;
        case $.ui.keyCode.ESCAPE:
          this.collapse( event );
          break;
        default:
          preventDefault = false;
          prev = this.previousFilter || "";
          character = String.fromCharCode( event.keyCode );
          skip = false;

          clearTimeout( this.filterTimer );

          if ( character === prev ) {
            skip = true;
          } else {
            character = prev + character;
          }

          regex = new RegExp( "^" + escape( character ), "i" );
          match = this.activeMenu.children( ".ui-menu-item" ).filter(function() {
            return regex.test( $( this ).children( "a" ).text() );
          });
          match = skip && match.index( this.active.next() ) !== -1 ?
            this.active.nextAll( ".ui-menu-item" ) :
            match;

          // If no matches on the current filter, reset to the last character pressed
          // to move down the menu to the first item that starts with that character
          if ( !match.length ) {
            character = String.fromCharCode( event.keyCode );
            regex = new RegExp( "^" + escape( character ), "i" );
            match = this.activeMenu.children( ".ui-menu-item" ).filter(function() {
              return regex.test( $( this ).children( "a" ).text() );
            });
          }

          if ( match.length ) {
            this.focus( event, match );
            if ( match.length > 1 ) {
              this.previousFilter = character;
              this.filterTimer = this._delay(function() {
                delete this.previousFilter;
              }, 1000 );
            } else {
              delete this.previousFilter;
            }
          } else {
            delete this.previousFilter;
          }
      }

      if ( preventDefault ) {
        event.preventDefault();
      }
    },

    _activate: function( event ) {
      if ( !this.active.is( ".ui-state-disabled" ) ) {
        if ( this.active.children( "a[aria-haspopup='true']" ).length ) {
          this.expand( event );
        } else {
          this.select( event );
        }
      }
    },

    refresh: function() {
      var menus,
        icon = this.options.icons.submenu,
        submenus = this.element.find( this.options.menus );

      // Initialize nested menus
      submenus.filter( ":not(.ui-menu)" )
        .addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
        .hide()
        .attr({
          role: this.options.role,
          "aria-hidden": "true",
          "aria-expanded": "false"
        })
        .each(function() {
          var menu = $( this ),
            item = menu.prev( "a" ),
            submenuCarat = $( "<span>" )
              .addClass( "ui-menu-icon ui-icon " + icon )
              .data( "ui-menu-submenu-carat", true );

          item
            .attr( "aria-haspopup", "true" )
            .prepend( submenuCarat );
          menu.attr( "aria-labelledby", item.attr( "id" ) );
        });

      menus = submenus.add( this.element );

      // Don't refresh list items that are already adapted
      menus.children( ":not(.ui-menu-item):has(a)" )
        .addClass( "ui-menu-item" )
        .attr( "role", "presentation" )
        .children( "a" )
        .uniqueId()
        .addClass( "ui-corner-all" )
        .attr({
          tabIndex: -1,
          role: this._itemRole()
        });

      // Initialize unlinked menu-items containing spaces and/or dashes only as dividers
      menus.children( ":not(.ui-menu-item)" ).each(function() {
        var item = $( this );
        // hyphen, em dash, en dash
        if ( !/[^\-—–\s]/.test( item.text() ) ) {
          item.addClass( "ui-widget-content ui-menu-divider" );
        }
      });

      // Add aria-disabled attribute to any disabled menu item
      menus.children( ".ui-state-disabled" ).attr( "aria-disabled", "true" );

      // If the active item has been removed, blur the menu
      if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
        this.blur();
      }
    },

    _itemRole: function() {
      return {
        menu: "menuitem",
        listbox: "option"
      }[ this.options.role ];
    },

    focus: function( event, item ) {
      var nested, focused;
      this.blur( event, event && event.type === "focus" );

      this._scrollIntoView( item );

      this.active = item.first();
      focused = this.active.children( "a" ).addClass( "ui-state-focus" );
      // Only update aria-activedescendant if there's a role
      // otherwise we assume focus is managed elsewhere
      if ( this.options.role ) {
        this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
      }

      // Highlight active parent menu item, if any
      this.active
        .parent()
        .closest( ".ui-menu-item" )
        .children( "a:first" )
        .addClass( "ui-state-active" );

      if ( event && event.type === "keydown" ) {
        this._close();
      } else {
        this.timer = this._delay(function() {
          this._close();
        }, this.delay );
      }

      nested = item.children( ".ui-menu" );
      if ( nested.length && ( /^mouse/.test( event.type ) ) ) {
        this._startOpening(nested);
      }
      this.activeMenu = item.parent();

      this._trigger( "focus", event, { item: item } );
    },

    _scrollIntoView: function( item ) {
      var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
      if ( this._hasScroll() ) {
        borderTop = parseFloat( $.css( this.activeMenu[0], "borderTopWidth" ) ) || 0;
        paddingTop = parseFloat( $.css( this.activeMenu[0], "paddingTop" ) ) || 0;
        offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
        scroll = this.activeMenu.scrollTop();
        elementHeight = this.activeMenu.height();
        itemHeight = item.height();

        if ( offset < 0 ) {
          this.activeMenu.scrollTop( scroll + offset );
        } else if ( offset + itemHeight > elementHeight ) {
          this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
        }
      }
    },

    blur: function( event, fromFocus ) {
      if ( !fromFocus ) {
        clearTimeout( this.timer );
      }

      if ( !this.active ) {
        return;
      }

      this.active.children( "a" ).removeClass( "ui-state-focus" );
      this.active = null;

      this._trigger( "blur", event, { item: this.active } );
    },

    _startOpening: function( submenu ) {
      clearTimeout( this.timer );

      // Don't open if already open fixes a Firefox bug that caused a .5 pixel
      // shift in the submenu position when mousing over the carat icon
      if ( submenu.attr( "aria-hidden" ) !== "true" ) {
        return;
      }

      this.timer = this._delay(function() {
        this._close();
        this._open( submenu );
      }, this.delay );
    },

    _open: function( submenu ) {
      var position = $.extend({
        of: this.active
      }, this.options.position );

      clearTimeout( this.timer );
      this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) )
        .hide()
        .attr( "aria-hidden", "true" );

      submenu
        .show()
        .removeAttr( "aria-hidden" )
        .attr( "aria-expanded", "true" )
        .position( position );
    },

    collapseAll: function( event, all ) {
      clearTimeout( this.timer );
      this.timer = this._delay(function() {
        // If we were passed an event, look for the submenu that contains the event
        var currentMenu = all ? this.element :
          $( event && event.target ).closest( this.element.find( ".ui-menu" ) );

        // If we found no valid submenu ancestor, use the main menu to close all sub menus anyway
        if ( !currentMenu.length ) {
          currentMenu = this.element;
        }

        this._close( currentMenu );

        this.blur( event );
        this.activeMenu = currentMenu;
      }, this.delay );
    },

    // With no arguments, closes the currently active menu - if nothing is active
    // it closes all menus.  If passed an argument, it will search for menus BELOW
    _close: function( startMenu ) {
      if ( !startMenu ) {
        startMenu = this.active ? this.active.parent() : this.element;
      }

      startMenu
        .find( ".ui-menu" )
        .hide()
        .attr( "aria-hidden", "true" )
        .attr( "aria-expanded", "false" )
        .end()
        .find( "a.ui-state-active" )
        .removeClass( "ui-state-active" );
    },

    collapse: function( event ) {
      var newItem = this.active &&
        this.active.parent().closest( ".ui-menu-item", this.element );
      if ( newItem && newItem.length ) {
        this._close();
        this.focus( event, newItem );
      }
    },

    expand: function( event ) {
      var newItem = this.active &&
        this.active
          .children( ".ui-menu " )
          .children( ".ui-menu-item" )
          .first();

      if ( newItem && newItem.length ) {
        this._open( newItem.parent() );

        // Delay so Firefox will not hide activedescendant change in expanding submenu from AT
        this._delay(function() {
          this.focus( event, newItem );
        });
      }
    },

    next: function( event ) {
      this._move( "next", "first", event );
    },

    previous: function( event ) {
      this._move( "prev", "last", event );
    },

    isFirstItem: function() {
      return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
    },

    isLastItem: function() {
      return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
    },

    _move: function( direction, filter, event ) {
      var next;
      if ( this.active ) {
        if ( direction === "first" || direction === "last" ) {
          next = this.active
            [ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
            .eq( -1 );
        } else {
          next = this.active
            [ direction + "All" ]( ".ui-menu-item" )
            .eq( 0 );
        }
      }
      if ( !next || !next.length || !this.active ) {
        next = this.activeMenu.children( ".ui-menu-item" )[ filter ]();
      }

      this.focus( event, next );
    },

    nextPage: function( event ) {
      var item, base, height;

      if ( !this.active ) {
        this.next( event );
        return;
      }
      if ( this.isLastItem() ) {
        return;
      }
      if ( this._hasScroll() ) {
        base = this.active.offset().top;
        height = this.element.height();
        this.active.nextAll( ".ui-menu-item" ).each(function() {
          item = $( this );
          return item.offset().top - base - height < 0;
        });

        this.focus( event, item );
      } else {
        this.focus( event, this.activeMenu.children( ".ui-menu-item" )
          [ !this.active ? "first" : "last" ]() );
      }
    },

    previousPage: function( event ) {
      var item, base, height;
      if ( !this.active ) {
        this.next( event );
        return;
      }
      if ( this.isFirstItem() ) {
        return;
      }
      if ( this._hasScroll() ) {
        base = this.active.offset().top;
        height = this.element.height();
        this.active.prevAll( ".ui-menu-item" ).each(function() {
          item = $( this );
          return item.offset().top - base + height > 0;
        });

        this.focus( event, item );
      } else {
        this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() );
      }
    },

    _hasScroll: function() {
      return this.element.outerHeight() < this.element.prop( "scrollHeight" );
    },

    select: function( event ) {
      // TODO: It should never be possible to not have an active item at this
      // point, but the tests don't trigger mouseenter before click.
      this.active = this.active || $( event.target ).closest( ".ui-menu-item" );
      var ui = { item: this.active };
      if ( !this.active.has( ".ui-menu" ).length ) {
        this.collapseAll( event, true );
      }
      this._trigger( "select", event, ui );
    }
  });

// }( jQuery ));