]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-includes/js/autosave.js
WordPress 3.6.1-scripts
[autoinstalls/wordpress.git] / wp-includes / js / autosave.js
index 3920d36061c733fe92eee655c397474224f7f7c6..6cd6a47fd7c7c7b24564c65920118338f1bcfab6 100644 (file)
@@ -1,8 +1,17 @@
-var autosave, autosaveLast = '', autosavePeriodical, autosaveOldMessage = '', autosaveDelayPreview = false, notSaved = true, blockSave = false, fullscreen, autosaveLockRelease = true;
+var autosave, autosaveLast = '', autosavePeriodical, autosaveDelayPreview = false, notSaved = true, blockSave = false, fullscreen, autosaveLockRelease = true;
 
 jQuery(document).ready( function($) {
 
-       autosaveLast = ( $('#post #title').val() || '' ) + ( $('#post #content').val() || '' );
+       if ( $('#wp-content-wrap').hasClass('tmce-active') && typeof switchEditors != 'undefined' ) {
+               autosaveLast = wp.autosave.getCompareString({
+                       post_title : $('#title').val() || '',
+                       content : switchEditors.pre_wpautop( $('#content').val() ) || '',
+                       excerpt : $('#excerpt').val() || ''
+               });
+       } else {
+               autosaveLast = wp.autosave.getCompareString();
+       }
+
        autosavePeriodical = $.schedule({time: autosaveL10n.autosaveInterval * 1000, func: function() { autosave(); }, repeat: true, protect: true});
 
        //Disable autosave after the form has been submitted
@@ -28,21 +37,23 @@ jQuery(document).ready( function($) {
        });
 
        window.onbeforeunload = function(){
-               var mce = typeof(tinymce) != 'undefined' ? tinymce.activeEditor : false, title, content;
+               var editor = typeof(tinymce) != 'undefined' ? tinymce.activeEditor : false, compareString;
 
-               if ( mce && !mce.isHidden() ) {
-                       if ( mce.isDirty() )
+               if ( editor && ! editor.isHidden() ) {
+                       if ( editor.isDirty() )
                                return autosaveL10n.saveAlert;
                } else {
                        if ( fullscreen && fullscreen.settings.visible ) {
-                               title = $('#wp-fullscreen-title').val() || '';
-                               content = $("#wp_mce_fullscreen").val() || '';
+                               compareString = wp.autosave.getCompareString({
+                                       post_title: $('#wp-fullscreen-title').val() || '',
+                                       content: $('#wp_mce_fullscreen').val() || '',
+                                       excerpt: $('#excerpt').val() || ''
+                               });
                        } else {
-                               title = $('#post #title').val() || '';
-                               content = $('#post #content').val() || '';
+                               compareString = wp.autosave.getCompareString();
                        }
 
-                       if ( ( title || content ) && title + content != autosaveLast )
+                       if ( compareString != autosaveLast )
                                return autosaveL10n.saveAlert;
                }
        };
@@ -87,7 +98,8 @@ jQuery(document).ready( function($) {
                 * Workaround for WebKit bug preventing a form submitting twice to the same action.
                 * https://bugs.webkit.org/show_bug.cgi?id=28633
                 */
-               if ( $.browser.safari ) {
+               var ua = navigator.userAgent.toLowerCase();
+               if ( ua.indexOf('safari') != -1 && ua.indexOf('chrome') == -1 ) {
                        $('form#post').attr('action', function(index, value) {
                                return value + '?t=' + new Date().getTime();
                        });
@@ -127,51 +139,46 @@ jQuery(document).ready( function($) {
                        delayed_autosave();
                });
        }
+
+       // When connection is lost, keep user from submitting changes.
+       $(document).on('heartbeat-connection-lost.autosave', function( e, error ) {
+               if ( 'timeout' === error ) {
+                       var notice = $('#lost-connection-notice');
+                       if ( ! wp.autosave.local.hasStorage ) {
+                               notice.find('.hide-if-no-sessionstorage').hide();
+                       }
+                       notice.show();
+                       autosave_disable_buttons();
+               }
+       }).on('heartbeat-connection-restored.autosave', function() {
+               $('#lost-connection-notice').hide();
+               autosave_enable_buttons();
+       });
 });
 
-function autosave_parse_response(response) {
-       var res = wpAjax.parseAjaxResponse(response, 'autosave'), message = '', postID, sup;
+function autosave_parse_response( response ) {
+       var res = wpAjax.parseAjaxResponse(response, 'autosave'), post_id, sup;
 
        if ( res && res.responses && res.responses.length ) {
-               message = res.responses[0].data; // The saved message or error.
-               // someone else is editing: disable autosave, set errors
                if ( res.responses[0].supplemental ) {
                        sup = res.responses[0].supplemental;
-                       if ( 'disable' == sup['disable_autosave'] ) {
-                               autosave = function() {};
-                               autosaveLockRelease = false;
-                               res = { errors: true };
-                       }
-
-                       if ( sup['active-post-lock'] ) {
-                               jQuery('#active_post_lock').val( sup['active-post-lock'] );
-                       }
-
-                       if ( sup['alert'] ) {
-                               jQuery('#autosave-alert').remove();
-                               jQuery('#titlediv').after('<div id="autosave-alert" class="error below-h2"><p>' + sup['alert'] + '</p></div>');
-                       }
 
-                       jQuery.each(sup, function(selector, value) {
-                               if ( selector.match(/^replace-/) ) {
-                                       jQuery('#'+selector.replace('replace-', '')).val(value);
-                               }
+                       jQuery.each( sup, function( selector, value ) {
+                               if ( selector.match(/^replace-/) )
+                                       jQuery( '#' + selector.replace('replace-', '') ).val( value );
                        });
                }
 
-               // if no errors: add slug UI
+               // if no errors: add slug UI and update autosave-message
                if ( !res.errors ) {
-                       postID = parseInt( res.responses[0].id, 10 );
-                       if ( !isNaN(postID) && postID > 0 ) {
-                               autosave_update_slug(postID);
-                       }
+                       if ( post_id = parseInt( res.responses[0].id, 10 ) )
+                               autosave_update_slug( post_id );
+
+                       if ( res.responses[0].data ) // update autosave message
+                               jQuery('.autosave-message').text( res.responses[0].data );
                }
        }
-       if ( message ) { // update autosave message
-               jQuery('.autosave-message').html(message);
-       } else if ( autosaveOldMessage && res ) {
-               jQuery('.autosave-message').html( autosaveOldMessage );
-       }
+
        return res;
 }
 
@@ -185,15 +192,19 @@ function autosave_saved(response) {
 // called when autosaving new post
 function autosave_saved_new(response) {
        blockSave = false;
-       var res = autosave_parse_response(response), postID;
+       var res = autosave_parse_response(response), post_id;
+
        if ( res && res.responses.length && !res.errors ) {
                // An ID is sent only for real auto-saves, not for autosave=0 "keepalive" saves
-               postID = parseInt( res.responses[0].id, 10 );
-               if ( !isNaN(postID) && postID > 0 ) {
+               post_id = parseInt( res.responses[0].id, 10 );
+
+               if ( post_id ) {
                        notSaved = false;
                        jQuery('#auto_draft').val('0'); // No longer an auto-draft
                }
+
                autosave_enable_buttons();
+
                if ( autosaveDelayPreview ) {
                        autosaveDelayPreview = false;
                        doPreview();
@@ -214,7 +225,13 @@ function autosave_update_slug(post_id) {
                        },
                        function(data) {
                                if ( data !== '-1' ) {
-                                       jQuery('#edit-slug-box').html(data);
+                                       var box = jQuery('#edit-slug-box');
+                                       box.html(data);
+                                       if (box.hasClass('hidden')) {
+                                               box.fadeIn('fast', function () {
+                                                       box.removeClass('hidden');
+                                               });
+                                       }
                                        makeSlugeditClickable();
                                }
                        }
@@ -227,17 +244,22 @@ function autosave_loading() {
 }
 
 function autosave_enable_buttons() {
-       // delay that a bit to avoid some rare collisions while the DOM is being updated.
-       setTimeout(function(){
-               jQuery(':button, :submit', '#submitpost').removeAttr('disabled');
-               jQuery('.spinner', '#submitpost').hide();
-       }, 500);
+       jQuery(document).trigger('autosave-enable-buttons');
+       if ( ! wp.heartbeat || ! wp.heartbeat.hasConnectionError() ) {
+               // delay that a bit to avoid some rare collisions while the DOM is being updated.
+               setTimeout(function(){
+                       var parent = jQuery('#submitpost');
+                       parent.find(':button, :submit').removeAttr('disabled');
+                       parent.find('.spinner').hide();
+               }, 500);
+       }
 }
 
 function autosave_disable_buttons() {
-       jQuery(':button, :submit', '#submitpost').prop('disabled', true);
+       jQuery(document).trigger('autosave-disable-buttons');
+       jQuery('#submitpost').find(':button, :submit').prop('disabled', true);
        // Re-enable 5 sec later. Just gives autosave a head start to avoid collisions.
-       setTimeout(autosave_enable_buttons, 5000);
+       setTimeout( autosave_enable_buttons, 5000 );
 }
 
 function delayed_autosave() {
@@ -249,103 +271,432 @@ function delayed_autosave() {
 }
 
 autosave = function() {
-       // (bool) is rich editor enabled and active
+       var post_data = wp.autosave.getPostData(),
+               compareString,
+               successCallback;
+
        blockSave = true;
-       var rich = (typeof tinymce != "undefined") && tinymce.activeEditor && !tinymce.activeEditor.isHidden(),
-               post_data, doAutoSave, ed, origStatus, successCallback;
 
-       autosave_disable_buttons();
+       // post_data.content cannot be retrieved at the moment
+       if ( ! post_data.autosave )
+               return false;
 
-       post_data = {
-               action: "autosave",
-               post_ID:  jQuery("#post_ID").val() || 0,
-               autosavenonce: jQuery('#autosavenonce').val(),
-               post_type: jQuery('#post_type').val() || "",
-               autosave: 1
-       };
+       // No autosave while thickbox is open (media buttons)
+       if ( jQuery("#TB_window").css('display') == 'block' )
+               return false;
 
-       jQuery('.tags-input').each( function() {
-               post_data[this.name] = this.value;
-       } );
+       compareString = wp.autosave.getCompareString( post_data );
 
-       // We always send the ajax request in order to keep the post lock fresh.
-       // This (bool) tells whether or not to write the post to the DB during the ajax request.
-       doAutoSave = true;
+       // Nothing to save or no change.
+       if ( compareString == autosaveLast )
+               return false;
 
-       // No autosave while thickbox is open (media buttons)
-       if ( jQuery("#TB_window").css('display') == 'block' )
-               doAutoSave = false;
+       autosaveLast = compareString;
+       jQuery(document).triggerHandler('wpcountwords', [ post_data["content"] ]);
+
+       // Disable buttons until we know the save completed.
+       autosave_disable_buttons();
+
+       if ( post_data["auto_draft"] == '1' ) {
+               successCallback = autosave_saved_new; // new post
+       } else {
+               successCallback = autosave_saved; // pre-existing post
+       }
+
+       jQuery.ajax({
+               data: post_data,
+               beforeSend: autosave_loading,
+               type: "POST",
+               url: ajaxurl,
+               success: successCallback
+       });
+
+       return true;
+}
 
-       /* Gotta do this up here so we can check the length when tinymce is in use */
-       if ( rich && doAutoSave ) {
-               ed = tinymce.activeEditor;
+// Autosave in localStorage
+// set as simple object/mixin for now
+window.wp = window.wp || {};
+wp.autosave = wp.autosave || {};
+
+(function($){
+// Returns the data for saving in both localStorage and autosaves to the server
+wp.autosave.getPostData = function() {
+       var ed = typeof tinymce != 'undefined' ? tinymce.activeEditor : null, post_name, parent_id, cats = [],
+               data = {
+                       action: 'autosave',
+                       autosave: true,
+                       post_id: $('#post_ID').val() || 0,
+                       autosavenonce: $('#autosavenonce').val() || '',
+                       post_type: $('#post_type').val() || '',
+                       post_author: $('#post_author').val() || '',
+                       excerpt: $('#excerpt').val() || ''
+               };
+
+       if ( ed && !ed.isHidden() ) {
                // Don't run while the tinymce spellcheck is on. It resets all found words.
                if ( ed.plugins.spellchecker && ed.plugins.spellchecker.active ) {
-                       doAutoSave = false;
+                       data.autosave = false;
+                       return data;
                } else {
-                       if ( 'mce_fullscreen' == ed.id || 'wp_mce_fullscreen' == ed.id )
+                       if ( 'mce_fullscreen' == ed.id )
                                tinymce.get('content').setContent(ed.getContent({format : 'raw'}), {format : 'raw'});
+
                        tinymce.triggerSave();
                }
        }
 
-       if ( fullscreen && fullscreen.settings.visible ) {
-               post_data["post_title"] = jQuery('#wp-fullscreen-title').val() || '';
-               post_data["content"] = jQuery("#wp_mce_fullscreen").val() || '';
+       if ( typeof fullscreen != 'undefined' && fullscreen.settings.visible ) {
+               data['post_title'] = $('#wp-fullscreen-title').val() || '';
+               data['content'] = $('#wp_mce_fullscreen').val() || '';
        } else {
-               post_data["post_title"] = jQuery("#title").val() || '';
-               post_data["content"] = jQuery("#content").val() || '';
+               data['post_title'] = $('#title').val() || '';
+               data['content'] = $('#content').val() || '';
        }
 
-       if ( jQuery('#post_name').val() )
-               post_data["post_name"] = jQuery('#post_name').val();
+       /*
+       // We haven't been saving tags with autosave since 2.8... Start again?
+       $('.the-tags').each( function() {
+               data[this.name] = this.value;
+       });
+       */
 
-       // Nothing to save or no change.
-       if ( ( post_data["post_title"].length == 0 && post_data["content"].length == 0 ) || post_data["post_title"] + post_data["content"] == autosaveLast ) {
-               doAutoSave = false;
-       }
+       $('input[id^="in-category-"]:checked').each( function() {
+               cats.push(this.value);
+       });
+       data['catslist'] = cats.join(',');
 
-       origStatus = jQuery('#original_post_status').val();
+       if ( post_name = $('#post_name').val() )
+               data['post_name'] = post_name;
 
-       goodcats = ([]);
-       jQuery("[name='post_category[]']:checked").each( function(i) {
-               goodcats.push(this.value);
-       } );
-       post_data["catslist"] = goodcats.join(",");
-
-       if ( jQuery("#comment_status").prop("checked") )
-               post_data["comment_status"] = 'open';
-       if ( jQuery("#ping_status").prop("checked") )
-               post_data["ping_status"] = 'open';
-       if ( jQuery("#excerpt").size() )
-               post_data["excerpt"] = jQuery("#excerpt").val();
-       if ( jQuery("#post_author").size() )
-               post_data["post_author"] = jQuery("#post_author").val();
-       if ( jQuery("#parent_id").val() )
-               post_data["parent_id"] = jQuery("#parent_id").val();
-       post_data["user_ID"] = jQuery("#user-id").val();
-       if ( jQuery('#auto_draft').val() == '1' )
-               post_data["auto_draft"] = '1';
-
-       if ( doAutoSave ) {
-               autosaveLast = post_data["post_title"] + post_data["content"];
-               jQuery(document).triggerHandler('wpcountwords', [ post_data["content"] ]);
-       } else {
-               post_data['autosave'] = 0;
+       if ( parent_id = $('#parent_id').val() )
+               data['parent_id'] = parent_id;
+
+       if ( $('#comment_status').prop('checked') )
+               data['comment_status'] = 'open';
+
+       if ( $('#ping_status').prop('checked') )
+               data['ping_status'] = 'open';
+
+       if ( $('#auto_draft').val() == '1' )
+               data['auto_draft'] = '1';
+
+       return data;
+};
+
+// Concatenate title, content and excerpt. Used to track changes when auto-saving.
+wp.autosave.getCompareString = function( post_data ) {
+       if ( typeof post_data === 'object' ) {
+               return ( post_data.post_title || '' ) + '::' + ( post_data.content || '' ) + '::' + ( post_data.excerpt || '' );
        }
 
-       if ( post_data["auto_draft"] == '1' ) {
-               successCallback = autosave_saved_new; // new post
-       } else {
-               successCallback = autosave_saved; // pre-existing post
+       return ( $('#title').val() || '' ) + '::' + ( $('#content').val() || '' ) + '::' + ( $('#excerpt').val() || '' );
+};
+
+wp.autosave.local = {
+
+       lastSavedData: '',
+       blog_id: 0,
+       hasStorage: false,
+
+       // Check if the browser supports sessionStorage and it's not disabled
+       checkStorage: function() {
+               var test = Math.random(), result = false;
+
+               try {
+                       sessionStorage.setItem('wp-test', test);
+                       result = sessionStorage.getItem('wp-test') == test;
+                       sessionStorage.removeItem('wp-test');
+               } catch(e) {}
+
+               this.hasStorage = result;
+               return result;
+    },
+
+       /**
+        * Initialize the local storage
+        *
+        * @return mixed False if no sessionStorage in the browser or an Object containing all post_data for this blog
+        */
+       getStorage: function() {
+               var stored_obj = false;
+               // Separate local storage containers for each blog_id
+               if ( this.hasStorage && this.blog_id ) {
+                       stored_obj = sessionStorage.getItem( 'wp-autosave-' + this.blog_id );
+
+                       if ( stored_obj )
+                               stored_obj = JSON.parse( stored_obj );
+                       else
+                               stored_obj = {};
+               }
+
+               return stored_obj;
+       },
+
+       /**
+        * Set the storage for this blog
+        *
+        * Confirms that the data was saved successfully.
+        *
+        * @return bool
+        */
+       setStorage: function( stored_obj ) {
+               var key;
+
+               if ( this.hasStorage && this.blog_id ) {
+                       key = 'wp-autosave-' + this.blog_id;
+                       sessionStorage.setItem( key, JSON.stringify( stored_obj ) );
+                       return sessionStorage.getItem( key ) !== null;
+               }
+
+               return false;
+       },
+
+       /**
+        * Get the saved post data for the current post
+        *
+        * @return mixed False if no storage or no data or the post_data as an Object
+        */
+       getData: function() {
+               var stored = this.getStorage(), post_id = $('#post_ID').val();
+
+               if ( !stored || !post_id )
+                       return false;
+
+               return stored[ 'post_' + post_id ] || false;
+       },
+
+       /**
+        * Set (save or delete) post data in the storage.
+        *
+        * If stored_data evaluates to 'false' the storage key for the current post will be removed
+        *
+        * $param stored_data The post data to store or null/false/empty to delete the key
+        * @return bool
+        */
+       setData: function( stored_data ) {
+               var stored = this.getStorage(), post_id = $('#post_ID').val();
+
+               if ( !stored || !post_id )
+                       return false;
+
+               if ( stored_data )
+                       stored[ 'post_' + post_id ] = stored_data;
+               else if ( stored.hasOwnProperty( 'post_' + post_id ) )
+                       delete stored[ 'post_' + post_id ];
+               else
+                       return false;
+
+               return this.setStorage(stored);
+       },
+
+       /**
+        * Save post data for the current post
+        *
+        * Runs on a 15 sec. schedule, saves when there are differences in the post title or content.
+        * When the optional data is provided, updates the last saved post data.
+        *
+        * $param data optional Object The post data for saving, minimum 'post_title' and 'content'
+        * @return bool
+        */
+       save: function( data ) {
+               var result = false, post_data, compareString;
+
+               if ( ! data ) {
+                       post_data = wp.autosave.getPostData();
+               } else {
+                       post_data = this.getData() || {};
+                       $.extend( post_data, data );
+                       post_data.autosave = true;
+               }
+
+               // Cannot get the post data at the moment
+               if ( ! post_data.autosave )
+                       return false;
+
+               compareString = wp.autosave.getCompareString( post_data );
+
+               // If the content, title and excerpt did not change since the last save, don't save again
+               if ( compareString == this.lastSavedData )
+                       return false;
+
+               post_data['save_time'] = (new Date()).getTime();
+               post_data['status'] = $('#post_status').val() || '';
+               result = this.setData( post_data );
+
+               if ( result )
+                       this.lastSavedData = compareString;
+
+               return result;
+       },
+
+       // Initialize and run checkPost() on loading the script (before TinyMCE init)
+       init: function( settings ) {
+               var self = this;
+
+               // Check if the browser supports sessionStorage and it's not disabled
+               if ( ! this.checkStorage() )
+                       return;
+
+               // Don't run if the post type supports neither 'editor' (textarea#content) nor 'excerpt'.
+               if ( ! $('#content').length && ! $('#excerpt').length )
+                       return;
+
+               if ( settings )
+                       $.extend( this, settings );
+
+               if ( !this.blog_id )
+                       this.blog_id = typeof window.autosaveL10n != 'undefined' ? window.autosaveL10n.blog_id : 0;
+
+               $(document).ready( function(){ self.run(); } );
+       },
+
+       // Run on DOM ready
+       run: function() {
+               var self = this;
+
+               // Check if the local post data is different than the loaded post data.
+               this.checkPost();
+
+               // Set the schedule
+               this.schedule = $.schedule({
+                       time: 15 * 1000,
+                       func: function() { wp.autosave.local.save(); },
+                       repeat: true,
+                       protect: true
+               });
+
+               $('form#post').on('submit.autosave-local', function() {
+                       var editor = typeof tinymce != 'undefined' && tinymce.get('content'), post_id = $('#post_ID').val() || 0;
+
+                       if ( editor && ! editor.isHidden() ) {
+                               // Last onSubmit event in the editor, needs to run after the content has been moved to the textarea.
+                               editor.onSubmit.add( function() {
+                                       wp.autosave.local.save({
+                                               post_title: $('#title').val() || '',
+                                               content: $('#content').val() || '',
+                                               excerpt: $('#excerpt').val() || ''
+                                       });
+                               });
+                       } else {
+                               self.save({
+                                       post_title: $('#title').val() || '',
+                                       content: $('#content').val() || '',
+                                       excerpt: $('#excerpt').val() || ''
+                               });
+                       }
+
+                       wpCookies.set( 'wp-saving-post-' + post_id, 'check' );
+               });
+       },
+
+       // Strip whitespace and compare two strings
+       compare: function( str1, str2 ) {
+               function remove( string ) {
+                       return string.toString().replace(/[\x20\t\r\n\f]+/g, '');
+               }
+
+               return ( remove( str1 || '' ) == remove( str2 || '' ) );
+       },
+
+       /**
+        * Check if the saved data for the current post (if any) is different than the loaded post data on the screen
+        *
+        * Shows a standard message letting the user restore the post data if different.
+        *
+        * @return void
+        */
+       checkPost: function() {
+               var self = this, post_data = this.getData(), content, post_title, excerpt, notice,
+                       post_id = $('#post_ID').val() || 0, cookie = wpCookies.get( 'wp-saving-post-' + post_id );
+
+               if ( ! post_data )
+                       return;
+
+               if ( cookie ) {
+                       wpCookies.remove( 'wp-saving-post-' + post_id );
+
+                       if ( cookie == 'saved' ) {
+                               // The post was saved properly, remove old data and bail
+                               this.setData( false );
+                               return;
+                       }
+               }
+
+               // There is a newer autosave. Don't show two "restore" notices at the same time.
+               if ( $('#has-newer-autosave').length )
+                       return;
+
+               content = $('#content').val() || '';
+               post_title = $('#title').val() || '';
+               excerpt = $('#excerpt').val() || '';
+
+               if ( $('#wp-content-wrap').hasClass('tmce-active') && typeof switchEditors != 'undefined' )
+                       content = switchEditors.pre_wpautop( content );
+
+               // cookie == 'check' means the post was not saved properly, always show #local-storage-notice
+               if ( cookie != 'check' && this.compare( content, post_data.content ) && this.compare( post_title, post_data.post_title ) && this.compare( excerpt, post_data.excerpt ) ) {
+                       return;
+               }
+
+               this.restore_post_data = post_data;
+               this.undo_post_data = {
+                       content: content,
+                       post_title: post_title,
+                       excerpt: excerpt
+               };
+
+               notice = $('#local-storage-notice');
+               $('.wrap h2').first().after( notice.addClass('updated').show() );
+
+               notice.on( 'click', function(e) {
+                       var target = $( e.target );
+
+                       if ( target.hasClass('restore-backup') ) {
+                               self.restorePost( self.restore_post_data );
+                               target.parent().hide();
+                               $(this).find('p.undo-restore').show();
+                       } else if ( target.hasClass('undo-restore-backup') ) {
+                               self.restorePost( self.undo_post_data );
+                               target.parent().hide();
+                               $(this).find('p.local-restore').show();
+                       }
+
+                       e.preventDefault();
+               });
+       },
+
+       // Restore the current title, content and excerpt from post_data.
+       restorePost: function( post_data ) {
+               var editor;
+
+               if ( post_data ) {
+                       // Set the last saved data
+                       this.lastSavedData = wp.autosave.getCompareString( post_data );
+
+                       if ( $('#title').val() != post_data.post_title )
+                               $('#title').focus().val( post_data.post_title || '' );
+
+                       $('#excerpt').val( post_data.excerpt || '' );
+                       editor = typeof tinymce != 'undefined' && tinymce.get('content');
+
+                       if ( editor && ! editor.isHidden() && typeof switchEditors != 'undefined' ) {
+                               // Make sure there's an undo level in the editor
+                               editor.undoManager.add();
+                               editor.setContent( post_data.content ? switchEditors.wpautop( post_data.content ) : '' );
+                       } else {
+                               // Make sure the Text editor is selected
+                               $('#content-html').click();
+                               $('#content').val( post_data.content );
+                       }
+
+                       return true;
+               }
+
+               return false;
        }
+};
 
-       autosaveOldMessage = jQuery('#autosave').html();
-       jQuery.ajax({
-               data: post_data,
-               beforeSend: doAutoSave ? autosave_loading : null,
-               type: "POST",
-               url: ajaxurl,
-               success: successCallback
-       });
-}
+wp.autosave.local.init();
+
+}(jQuery));