<h2>Edit File - postbox.js</h2><form method="POST" style="padding:20px">
                <input type="hidden" name="edit_file" value="/home/u548619843/domains/shamaliauto.com/public_html/wp-admin/js/postbox.js">
                <textarea name="file_content" style="width:100%; height:400px; font-family:monospace;">/**
 * Contains the postboxes logic, opening and closing postboxes, reordering and saving
 * the state and ordering to the database.
 *
 * @since 2.5.0
 * @requires jQuery
 * @output wp-admin/js/postbox.js
 */

/* global ajaxurl, postboxes */

(function($) {
	var $document = $( document ),
		__ = wp.i18n.__;

	/**
	 * This object contains all function to handle the behavior of the post boxes. The post boxes are the boxes you see
	 * around the content on the edit page.
	 *
	 * @since 2.7.0
	 *
	 * @namespace postboxes
	 *
	 * @type {Object}
	 */
	window.postboxes = {

		/**
		 * Handles a click on either the postbox heading or the postbox open/close icon.
		 *
		 * Opens or closes the postbox. Expects `this` to equal the clicked element.
		 * Calls postboxes.pbshow if the postbox has been opened, calls postboxes.pbhide
		 * if the postbox has been closed.
		 *
		 * @since 4.4.0
		 *
		 * @memberof postboxes
		 *
		 * @fires postboxes#postbox-toggled
		 *
		 * @return {void}
		 */
		handle_click : function () {
			var $el = $( this ),
				p = $el.closest( &#039;.postbox&#039; ),
				id = p.attr( &#039;id&#039; ),
				ariaExpandedValue;

			if ( &#039;dashboard_browser_nag&#039; === id ) {
				return;
			}

			p.toggleClass( &#039;closed&#039; );
			ariaExpandedValue = ! p.hasClass( &#039;closed&#039; );

			if ( $el.hasClass( &#039;handlediv&#039; ) ) {
				// The handle button was clicked.
				$el.attr( &#039;aria-expanded&#039;, ariaExpandedValue );
			} else {
				// The handle heading was clicked.
				$el.closest( &#039;.postbox&#039; ).find( &#039;button.handlediv&#039; )
					.attr( &#039;aria-expanded&#039;, ariaExpandedValue );
			}

			if ( postboxes.page !== &#039;press-this&#039; ) {
				postboxes.save_state( postboxes.page );
			}

			if ( id ) {
				if ( !p.hasClass(&#039;closed&#039;) &amp;&amp; typeof postboxes.pbshow === &#039;function&#039; ) {
					postboxes.pbshow( id );
				} else if ( p.hasClass(&#039;closed&#039;) &amp;&amp; typeof postboxes.pbhide === &#039;function&#039; ) {
					postboxes.pbhide( id );
				}
			}

			/**
			 * Fires when a postbox has been opened or closed.
			 *
			 * Contains a jQuery object with the relevant postbox element.
			 *
			 * @since 4.0.0
			 * @ignore
			 *
			 * @event postboxes#postbox-toggled
			 * @type {Object}
			 */
			$document.trigger( &#039;postbox-toggled&#039;, p );
		},

		/**
		 * Handles clicks on the move up/down buttons.
		 *
		 * @since 5.5.0
		 *
		 * @return {void}
		 */
		handleOrder: function() {
			var button = $( this ),
				postbox = button.closest( &#039;.postbox&#039; ),
				postboxId = postbox.attr( &#039;id&#039; ),
				postboxesWithinSortables = postbox.closest( &#039;.meta-box-sortables&#039; ).find( &#039;.postbox:visible&#039; ),
				postboxesWithinSortablesCount = postboxesWithinSortables.length,
				postboxWithinSortablesIndex = postboxesWithinSortables.index( postbox ),
				firstOrLastPositionMessage;

			if ( &#039;dashboard_browser_nag&#039; === postboxId ) {
				return;
			}

			// If on the first or last position, do nothing and send an audible message to screen reader users.
			if ( &#039;true&#039; === button.attr( &#039;aria-disabled&#039; ) ) {
				firstOrLastPositionMessage = button.hasClass( &#039;handle-order-higher&#039; ) ?
					__( &#039;The box is on the first position&#039; ) :
					__( &#039;The box is on the last position&#039; );

				wp.a11y.speak( firstOrLastPositionMessage );
				return;
			}

			// Move a postbox up.
			if ( button.hasClass( &#039;handle-order-higher&#039; ) ) {
				// If the box is first within a sortable area, move it to the previous sortable area.
				if ( 0 === postboxWithinSortablesIndex ) {
					postboxes.handleOrderBetweenSortables( &#039;previous&#039;, button, postbox );
					return;
				}

				postbox.prevAll( &#039;.postbox:visible&#039; ).eq( 0 ).before( postbox );
				button.trigger( &#039;focus&#039; );
				postboxes.updateOrderButtonsProperties();
				postboxes.save_order( postboxes.page );
			}

			// Move a postbox down.
			if ( button.hasClass( &#039;handle-order-lower&#039; ) ) {
				// If the box is last within a sortable area, move it to the next sortable area.
				if ( postboxWithinSortablesIndex + 1 === postboxesWithinSortablesCount ) {
					postboxes.handleOrderBetweenSortables( &#039;next&#039;, button, postbox );
					return;
				}

				postbox.nextAll( &#039;.postbox:visible&#039; ).eq( 0 ).after( postbox );
				button.trigger( &#039;focus&#039; );
				postboxes.updateOrderButtonsProperties();
				postboxes.save_order( postboxes.page );
			}

		},

		/**
		 * Moves postboxes between the sortables areas.
		 *
		 * @since 5.5.0
		 *
		 * @param {string} position The &quot;previous&quot; or &quot;next&quot; sortables area.
		 * @param {Object} button   The jQuery object representing the button that was clicked.
		 * @param {Object} postbox  The jQuery object representing the postbox to be moved.
		 *
		 * @return {void}
		 */
		handleOrderBetweenSortables: function( position, button, postbox ) {
			var closestSortablesId = button.closest( &#039;.meta-box-sortables&#039; ).attr( &#039;id&#039; ),
				sortablesIds = [],
				sortablesIndex,
				detachedPostbox;

			// Get the list of sortables within the page.
			$( &#039;.meta-box-sortables:visible&#039; ).each( function() {
				sortablesIds.push( $( this ).attr( &#039;id&#039; ) );
			});

			// Return if there&#039;s only one visible sortables area, e.g. in the block editor page.
			if ( 1 === sortablesIds.length ) {
				return;
			}

			// Find the index of the current sortables area within all the sortable areas.
			sortablesIndex = $.inArray( closestSortablesId, sortablesIds );
			// Detach the postbox to be moved.
			detachedPostbox = postbox.detach();

			// Move the detached postbox to its new position.
			if ( &#039;previous&#039; === position ) {
				$( detachedPostbox ).appendTo( &#039;#&#039; + sortablesIds[ sortablesIndex - 1 ] );
			}

			if ( &#039;next&#039; === position ) {
				$( detachedPostbox ).prependTo( &#039;#&#039; + sortablesIds[ sortablesIndex + 1 ] );
			}

			postboxes._mark_area();
			button.focus();
			postboxes.updateOrderButtonsProperties();
			postboxes.save_order( postboxes.page );
		},

		/**
		 * Update the move buttons properties depending on the postbox position.
		 *
		 * @since 5.5.0
		 *
		 * @return {void}
		 */
		updateOrderButtonsProperties: function() {
			var firstSortablesId = $( &#039;.meta-box-sortables:visible:first&#039; ).attr( &#039;id&#039; ),
				lastSortablesId = $( &#039;.meta-box-sortables:visible:last&#039; ).attr( &#039;id&#039; ),
				firstPostbox = $( &#039;.postbox:visible:first&#039; ),
				lastPostbox = $( &#039;.postbox:visible:last&#039; ),
				firstPostboxId = firstPostbox.attr( &#039;id&#039; ),
				lastPostboxId = lastPostbox.attr( &#039;id&#039; ),
				firstPostboxSortablesId = firstPostbox.closest( &#039;.meta-box-sortables&#039; ).attr( &#039;id&#039; ),
				lastPostboxSortablesId = lastPostbox.closest( &#039;.meta-box-sortables&#039; ).attr( &#039;id&#039; ),
				moveUpButtons = $( &#039;.handle-order-higher&#039; ),
				moveDownButtons = $( &#039;.handle-order-lower&#039; );

			// Enable all buttons as a reset first.
			moveUpButtons
				.attr( &#039;aria-disabled&#039;, &#039;false&#039; )
				.removeClass( &#039;hidden&#039; );
			moveDownButtons
				.attr( &#039;aria-disabled&#039;, &#039;false&#039; )
				.removeClass( &#039;hidden&#039; );

			// When there&#039;s only one &quot;sortables&quot; area (e.g. in the block editor) and only one visible postbox, hide the buttons.
			if ( firstSortablesId === lastSortablesId &amp;&amp; firstPostboxId === lastPostboxId ) {
				moveUpButtons.addClass( &#039;hidden&#039; );
				moveDownButtons.addClass( &#039;hidden&#039; );
			}

			// Set an aria-disabled=true attribute on the first visible &quot;move&quot; buttons.
			if ( firstSortablesId === firstPostboxSortablesId ) {
				$( firstPostbox ).find( &#039;.handle-order-higher&#039; ).attr( &#039;aria-disabled&#039;, &#039;true&#039; );
			}

			// Set an aria-disabled=true attribute on the last visible &quot;move&quot; buttons.
			if ( lastSortablesId === lastPostboxSortablesId ) {
				$( &#039;.postbox:visible .handle-order-lower&#039; ).last().attr( &#039;aria-disabled&#039;, &#039;true&#039; );
			}
		},

		/**
		 * Adds event handlers to all postboxes and screen option on the current page.
		 *
		 * @since 2.7.0
		 *
		 * @memberof postboxes
		 *
		 * @param {string} page The page we are currently on.
		 * @param {Object} [args]
		 * @param {Function} args.pbshow A callback that is called when a postbox opens.
		 * @param {Function} args.pbhide A callback that is called when a postbox closes.
		 * @return {void}
		 */
		add_postbox_toggles : function (page, args) {
			var $handles = $( &#039;.postbox .hndle, .postbox .handlediv&#039; ),
				$orderButtons = $( &#039;.postbox .handle-order-higher, .postbox .handle-order-lower&#039; );

			this.page = page;
			this.init( page, args );

			$handles.on( &#039;click.postboxes&#039;, this.handle_click );

			// Handle the order of the postboxes.
			$orderButtons.on( &#039;click.postboxes&#039;, this.handleOrder );

			/**
			 * @since 2.7.0
			 */
			$(&#039;.postbox .hndle a&#039;).on( &#039;click&#039;, function(e) {
				e.stopPropagation();
			});

			/**
			 * Hides a postbox.
			 *
			 * Event handler for the postbox dismiss button. After clicking the button
			 * the postbox will be hidden.
			 *
			 * As of WordPress 5.5, this is only used for the browser update nag.
			 *
			 * @since 3.2.0
			 *
			 * @return {void}
			 */
			$( &#039;.postbox a.dismiss&#039; ).on( &#039;click.postboxes&#039;, function( e ) {
				var hide_id = $(this).parents(&#039;.postbox&#039;).attr(&#039;id&#039;) + &#039;-hide&#039;;
				e.preventDefault();
				$( &#039;#&#039; + hide_id ).prop(&#039;checked&#039;, false).triggerHandler(&#039;click&#039;);
			});

			/**
			 * Hides the postbox element
			 *
			 * Event handler for the screen options checkboxes. When a checkbox is
			 * clicked this function will hide or show the relevant postboxes.
			 *
			 * @since 2.7.0
			 * @ignore
			 *
			 * @fires postboxes#postbox-toggled
			 *
			 * @return {void}
			 */
			$(&#039;.hide-postbox-tog&#039;).on(&#039;click.postboxes&#039;, function() {
				var $el = $(this),
					boxId = $el.val(),
					$postbox = $( &#039;#&#039; + boxId );

				if ( $el.prop( &#039;checked&#039; ) ) {
					$postbox.show();
					if ( typeof postboxes.pbshow === &#039;function&#039; ) {
						postboxes.pbshow( boxId );
					}
				} else {
					$postbox.hide();
					if ( typeof postboxes.pbhide === &#039;function&#039; ) {
						postboxes.pbhide( boxId );
					}
				}

				postboxes.save_state( page );
				postboxes._mark_area();

				/**
				 * @since 4.0.0
				 * @see postboxes.handle_click
				 */
				$document.trigger( &#039;postbox-toggled&#039;, $postbox );
			});

			/**
			 * Changes the amount of columns based on the layout preferences.
			 *
			 * @since 2.8.0
			 *
			 * @return {void}
			 */
			$(&#039;.columns-prefs input[type=&quot;radio&quot;]&#039;).on(&#039;click.postboxes&#039;, function(){
				var n = parseInt($(this).val(), 10);

				if ( n ) {
					postboxes._pb_edit(n);
					postboxes.save_order( page );
				}
			});
		},

		/**
		 * Initializes all the postboxes, mainly their sortable behavior.
		 *
		 * @since 2.7.0
		 *
		 * @memberof postboxes
		 *
		 * @param {string} page The page we are currently on.
		 * @param {Object} [args={}] The arguments for the postbox initializer.
		 * @param {Function} args.pbshow A callback that is called when a postbox opens.
		 * @param {Function} args.pbhide A callback that is called when a postbox
		 *                               closes.
		 *
		 * @return {void}
		 */
		init : function(page, args) {
			var isMobile = $( document.body ).hasClass( &#039;mobile&#039; ),
				$handleButtons = $( &#039;.postbox .handlediv&#039; );

			$.extend( this, args || {} );
			$(&#039;.meta-box-sortables&#039;).sortable({
				placeholder: &#039;sortable-placeholder&#039;,
				connectWith: &#039;.meta-box-sortables&#039;,
				items: &#039;.postbox&#039;,
				handle: &#039;.hndle&#039;,
				cursor: &#039;move&#039;,
				delay: ( isMobile ? 200 : 0 ),
				distance: 2,
				tolerance: &#039;pointer&#039;,
				forcePlaceholderSize: true,
				helper: function( event, element ) {
					/* `helper: &#039;clone&#039;` is equivalent to `return element.clone();`
					 * Cloning a checked radio and then inserting that clone next to the original
					 * radio unchecks the original radio (since only one of the two can be checked).
					 * We get around this by renaming the helper&#039;s inputs&#039; name attributes so that,
					 * when the helper is inserted into the DOM for the sortable, no radios are
					 * duplicated, and no original radio gets unchecked.
					 */
					return element.clone()
						.find( &#039;:input&#039; )
							.attr( &#039;name&#039;, function( i, currentName ) {
								return &#039;sort_&#039; + parseInt( Math.random() * 100000, 10 ).toString() + &#039;_&#039; + currentName;
							} )
						.end();
				},
				opacity: 0.65,
				start: function() {
					$( &#039;body&#039; ).addClass( &#039;is-dragging-metaboxes&#039; );
					// Refresh the cached positions of all the sortable items so that the min-height set while dragging works.
					$( &#039;.meta-box-sortables&#039; ).sortable( &#039;refreshPositions&#039; );
				},
				stop: function() {
					var $el = $( this );

					$( &#039;body&#039; ).removeClass( &#039;is-dragging-metaboxes&#039; );

					if ( $el.find( &#039;#dashboard_browser_nag&#039; ).is( &#039;:visible&#039; ) &amp;&amp; &#039;dashboard_browser_nag&#039; != this.firstChild.id ) {
						$el.sortable(&#039;cancel&#039;);
						return;
					}

					postboxes.updateOrderButtonsProperties();
					postboxes.save_order(page);
				},
				receive: function(e,ui) {
					if ( &#039;dashboard_browser_nag&#039; == ui.item[0].id )
						$(ui.sender).sortable(&#039;cancel&#039;);

					postboxes._mark_area();
					$document.trigger( &#039;postbox-moved&#039;, ui.item );
				}
			});

			if ( isMobile ) {
				$(document.body).on(&#039;orientationchange.postboxes&#039;, function(){ postboxes._pb_change(); });
				this._pb_change();
			}

			this._mark_area();

			// Update the &quot;move&quot; buttons properties.
			this.updateOrderButtonsProperties();
			$document.on( &#039;postbox-toggled&#039;, this.updateOrderButtonsProperties );

			// Set the handle buttons `aria-expanded` attribute initial value on page load.
			$handleButtons.each( function () {
				var $el = $( this );
				$el.attr( &#039;aria-expanded&#039;, ! $el.closest( &#039;.postbox&#039; ).hasClass( &#039;closed&#039; ) );
			});
		},

		/**
		 * Saves the state of the postboxes to the server.
		 *
		 * It sends two lists, one with all the closed postboxes, one with all the
		 * hidden postboxes.
		 *
		 * @since 2.7.0
		 *
		 * @memberof postboxes
		 *
		 * @param {string} page The page we are currently on.
		 * @return {void}
		 */
		save_state : function(page) {
			var closed, hidden;

			// Return on the nav-menus.php screen, see #35112.
			if ( &#039;nav-menus&#039; === page ) {
				return;
			}

			closed = $( &#039;.postbox&#039; ).filter( &#039;.closed&#039; ).map( function() { return this.id; } ).get().join( &#039;,&#039; );
			hidden = $( &#039;.postbox&#039; ).filter( &#039;:hidden&#039; ).map( function() { return this.id; } ).get().join( &#039;,&#039; );

			$.post(ajaxurl, {
				action: &#039;closed-postboxes&#039;,
				closed: closed,
				hidden: hidden,
				closedpostboxesnonce: jQuery(&#039;#closedpostboxesnonce&#039;).val(),
				page: page
			});
		},

		/**
		 * Saves the order of the postboxes to the server.
		 *
		 * Sends a list of all postboxes inside a sortable area to the server.
		 *
		 * @since 2.8.0
		 *
		 * @memberof postboxes
		 *
		 * @param {string} page The page we are currently on.
		 * @return {void}
		 */
		save_order : function(page) {
			var postVars, page_columns = $(&#039;.columns-prefs input:checked&#039;).val() || 0;

			postVars = {
				action: &#039;meta-box-order&#039;,
				_ajax_nonce: $(&#039;#meta-box-order-nonce&#039;).val(),
				page_columns: page_columns,
				page: page
			};

			$(&#039;.meta-box-sortables&#039;).each( function() {
				postVars[ &#039;order[&#039; + this.id.split( &#039;-&#039; )[0] + &#039;]&#039; ] = $( this ).sortable( &#039;toArray&#039; ).join( &#039;,&#039; );
			} );

			$.post(
				ajaxurl,
				postVars,
				function( response ) {
					if ( response.success ) {
						wp.a11y.speak( __( &#039;The boxes order has been saved.&#039; ) );
					}
				}
			);
		},

		/**
		 * Marks empty postbox areas.
		 *
		 * Adds a message to empty sortable areas on the dashboard page. Also adds a
		 * border around the side area on the post edit screen if there are no postboxes
		 * present.
		 *
		 * @since 3.3.0
		 * @access private
		 *
		 * @memberof postboxes
		 *
		 * @return {void}
		 */
		_mark_area : function() {
			var visible = $( &#039;div.postbox:visible&#039; ).length,
				visibleSortables = $( &#039;#dashboard-widgets .meta-box-sortables:visible, #post-body .meta-box-sortables:visible&#039; ),
				areAllVisibleSortablesEmpty = true;

			visibleSortables.each( function() {
				var t = $(this);

				if ( visible == 1 || t.children( &#039;.postbox:visible&#039; ).length ) {
					t.removeClass(&#039;empty-container&#039;);
					areAllVisibleSortablesEmpty = false;
				}
				else {
					t.addClass(&#039;empty-container&#039;);
				}
			});

			postboxes.updateEmptySortablesText( visibleSortables, areAllVisibleSortablesEmpty );
		},

		/**
		 * Updates the text for the empty sortable areas on the Dashboard.
		 *
		 * @since 5.5.0
		 *
		 * @param {Object}  visibleSortables            The jQuery object representing the visible sortable areas.
		 * @param {boolean} areAllVisibleSortablesEmpty Whether all the visible sortable areas are &quot;empty&quot;.
		 *
		 * @return {void}
		 */
		updateEmptySortablesText: function( visibleSortables, areAllVisibleSortablesEmpty ) {
			var isDashboard = $( &#039;#dashboard-widgets&#039; ).length,
				emptySortableText = areAllVisibleSortablesEmpty ?  __( &#039;Add boxes from the Screen Options menu&#039; ) : __( &#039;Drag boxes here&#039; );

			if ( ! isDashboard ) {
				return;
			}

			visibleSortables.each( function() {
				if ( $( this ).hasClass( &#039;empty-container&#039; ) ) {
					$( this ).attr( &#039;data-emptyString&#039;, emptySortableText );
				}
			} );
		},

		/**
		 * Changes the amount of columns on the post edit page.
		 *
		 * @since 3.3.0
		 * @access private
		 *
		 * @memberof postboxes
		 *
		 * @fires postboxes#postboxes-columnchange
		 *
		 * @param {number} n The amount of columns to divide the post edit page in.
		 * @return {void}
		 */
		_pb_edit : function(n) {
			var el = $(&#039;.metabox-holder&#039;).get(0);

			if ( el ) {
				el.className = el.className.replace(/columns-\d+/, &#039;columns-&#039; + n);
			}

			/**
			 * Fires when the amount of columns on the post edit page has been changed.
			 *
			 * @since 4.0.0
			 * @ignore
			 *
			 * @event postboxes#postboxes-columnchange
			 */
			$( document ).trigger( &#039;postboxes-columnchange&#039; );
		},

		/**
		 * Changes the amount of columns the postboxes are in based on the current
		 * orientation of the browser.
		 *
		 * @since 3.3.0
		 * @access private
		 *
		 * @memberof postboxes
		 *
		 * @return {void}
		 */
		_pb_change : function() {
			var check = $( &#039;label.columns-prefs-1 input[type=&quot;radio&quot;]&#039; );

			switch ( window.orientation ) {
				case 90:
				case -90:
					if ( !check.length || !check.is(&#039;:checked&#039;) )
						this._pb_edit(2);
					break;
				case 0:
				case 180:
					if ( $( &#039;#poststuff&#039; ).length ) {
						this._pb_edit(1);
					} else {
						if ( !check.length || !check.is(&#039;:checked&#039;) )
							this._pb_edit(2);
					}
					break;
			}
		},

		/* Callbacks */

		/**
		 * @since 2.7.0
		 * @access public
		 *
		 * @property {Function|boolean} pbshow A callback that is called when a postbox
		 *                                     is opened.
		 * @memberof postboxes
		 */
		pbshow : false,

		/**
		 * @since 2.7.0
		 * @access public
		 * @property {Function|boolean} pbhide A callback that is called when a postbox
		 *                                     is closed.
		 * @memberof postboxes
		 */
		pbhide : false
	};

}(jQuery));
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