X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/d3b1ea255664edd2deef17f900a655613d20820d..e0bf0ae6a149125bedfeaf344114a97d5864e74d:/wp-includes/js/autosave.js

diff --git a/wp-includes/js/autosave.js b/wp-includes/js/autosave.js
index a18063ad..6cd6a47f 100644
--- a/wp-includes/js/autosave.js
+++ b/wp-includes/js/autosave.js
@@ -1 +1,702 @@
-var autosave,autosaveLast="",autosavePeriodical,autosaveOldMessage="",autosaveDelayPreview=false,notSaved=true;jQuery(document).ready(function(b){var a=true;autosaveLast=b("#post #title").val()+b("#post #content").val();autosavePeriodical=b.schedule({time:autosaveL10n.autosaveInterval*1000,func:function(){autosave()},repeat:true,protect:true});b("#post").submit(function(){b.cancel(autosavePeriodical)});b('.submitbox input[type="submit"], .submitbox a.submitdelete').click(function(){window.onbeforeunload=null});window.onbeforeunload=function(){var c=typeof(tinyMCE)!="undefined"?tinyMCE.activeEditor:false,e,d;if(c&&!c.isHidden()){if(c.isDirty()){return autosaveL10n.saveAlert}}else{e=b("#post #title").val(),d=b("#post #content").val();if((e||d)&&e+d!=autosaveLast){return autosaveL10n.saveAlert}}};b("#post-preview").click(function(){if(1>b("#post_ID").val()&&notSaved){autosaveDelayPreview=true;autosave();return false}doPreview();return false});doPreview=function(){b("input#wp-preview").val("dopreview");b("form#post").attr("target","wp-preview").submit().attr("target","");b("input#wp-preview").val("")};if(typeof tinyMCE!="undefined"){b("#title")[b.browser.opera?"keypress":"keydown"](function(c){if(c.which==9&&!c.shiftKey&&!c.controlKey&&!c.altKey){if((b("#post_ID").val()<1)&&(b("#title").val().length>0)){autosave()}if(tinyMCE.activeEditor&&!tinyMCE.activeEditor.isHidden()&&a){c.preventDefault();a=false;tinyMCE.activeEditor.focus();return false}}})}});function autosave_parse_response(b){var c=wpAjax.parseAjaxResponse(b,"autosave"),d="",a;if(c&&c.responses&&c.responses.length){d=c.responses[0].data;if(c.responses[0].supplemental){if("disable"==c.responses[0].supplemental.disable_autosave){autosave=function(){};c={errors:true}}jQuery.each(c.responses[0].supplemental,function(e,f){if(e.match(/^replace-/)){jQuery("#"+e.replace("replace-","")).val(f)}})}if(!c.errors){a=parseInt(c.responses[0].id,10);if(!isNaN(a)&&a>0){autosave_update_slug(a)}}}if(d){jQuery("#autosave").html(d)}else{if(autosaveOldMessage&&c){jQuery("#autosave").html(autosaveOldMessage)}}return c}function autosave_saved(a){autosave_parse_response(a);autosave_enable_buttons()}function autosave_saved_new(b){var d=autosave_parse_response(b),c,a;if(d&&d.responses.length&&!d.errors){c=jQuery("#post_ID").val();a=parseInt(d.responses[0].id,10);autosave_update_post_ID(a);if(c<0&&a>0){notSaved=false;jQuery("#media-buttons a").each(function(){this.href=this.href.replace(c,a)})}if(autosaveDelayPreview){autosaveDelayPreview=false;doPreview()}}else{autosave_enable_buttons()}}function autosave_update_post_ID(a){if(!isNaN(a)&&a>0){if(a==parseInt(jQuery("#post_ID").val(),10)){return}jQuery("#post_ID").attr({name:"post_ID"});jQuery("#post_ID").val(a);jQuery.post(autosaveL10n.requestFile,{action:"autosave-generate-nonces",post_ID:a,autosavenonce:jQuery("#autosavenonce").val(),post_type:jQuery("#post_type").val()},function(b){jQuery("#_wpnonce").val(b);autosave_enable_buttons()});jQuery("#hiddenaction").val("editpost")}}function autosave_update_slug(a){if(jQuery.isFunction(make_slugedit_clickable)&&!jQuery("#edit-slug-box > *").size()){jQuery.post(slugL10n.requestFile,{action:"sample-permalink",post_id:a,new_title:jQuery("#title").val(),samplepermalinknonce:jQuery("#samplepermalinknonce").val()},function(b){jQuery("#edit-slug-box").html(b);make_slugedit_clickable()})}}function autosave_loading(){jQuery("#autosave").html(autosaveL10n.savingText)}function autosave_enable_buttons(){jQuery(".submitbox :button:disabled, .submitbox :submit:disabled").attr("disabled","")}function autosave_disable_buttons(){jQuery(".submitbox :button:enabled, .submitbox :submit:enabled").attr("disabled","disabled");setTimeout(autosave_enable_buttons,5000)}autosave=function(){var c=(typeof tinyMCE!="undefined")&&tinyMCE.activeEditor&&!tinyMCE.activeEditor.isHidden(),d,f,b,e,a;d={action:"autosave",post_ID:jQuery("#post_ID").val()||0,post_title:jQuery("#title").val()||"",autosavenonce:jQuery("#autosavenonce").val(),post_type:jQuery("#post_type").val()||"",autosave:1};jQuery(".tags-input").each(function(){d[this.name]=this.value});f=true;if(jQuery("#TB_window").css("display")=="block"){f=false}if(c){b=tinyMCE.activeEditor;if("mce_fullscreen"==b.id){tinyMCE.get("content").setContent(b.getContent({format:"raw"}),{format:"raw"})}tinyMCE.get("content").save()}d.content=jQuery("#content").val();if(jQuery("#post_name").val()){d.post_name=jQuery("#post_name").val()}if((d.post_title.length==0&&d.content.length==0)||d.post_title+d.content==autosaveLast){f=false}autosave_disable_buttons();e=jQuery("#original_post_status").val();autosaveLast=jQuery("#title").val()+jQuery("#content").val();goodcats=([]);jQuery("[name='post_category[]']:checked").each(function(g){goodcats.push(this.value)});d.catslist=goodcats.join(",");if(jQuery("#comment_status").attr("checked")){d.comment_status="open"}if(jQuery("#ping_status").attr("checked")){d.ping_status="open"}if(jQuery("#excerpt").size()){d.excerpt=jQuery("#excerpt").val()}if(jQuery("#post_author").size()){d.post_author=jQuery("#post_author").val()}d.user_ID=jQuery("#user-id").val();if(c&&tinyMCE.activeEditor.plugins.spellchecker&&tinyMCE.activeEditor.plugins.spellchecker.active){f=false}if(parseInt(d.post_ID,10)<1){d.temp_ID=d.post_ID;a=autosave_saved_new}else{a=autosave_saved}if(!f){d.autosave=0}autosaveOldMessage=jQuery("#autosave").html();jQuery.ajax({data:d,beforeSend:f?autosave_loading:null,type:"POST",url:autosaveL10n.requestFile,success:a})};
\ No newline at end of file
+var autosave, autosaveLast = '', autosavePeriodical, autosaveDelayPreview = false, notSaved = true, blockSave = false, fullscreen, autosaveLockRelease = true;
+
+jQuery(document).ready( function($) {
+
+	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
+	$("#post").submit(function() {
+		$.cancel(autosavePeriodical);
+		autosaveLockRelease = false;
+	});
+
+	$('input[type="submit"], a.submitdelete', '#submitpost').click(function(){
+		blockSave = true;
+		window.onbeforeunload = null;
+		$(':button, :submit', '#submitpost').each(function(){
+			var t = $(this);
+			if ( t.hasClass('button-primary') )
+				t.addClass('button-primary-disabled');
+			else
+				t.addClass('button-disabled');
+		});
+		if ( $(this).attr('id') == 'publish' )
+			$('#major-publishing-actions .spinner').show();
+		else
+			$('#minor-publishing .spinner').show();
+	});
+
+	window.onbeforeunload = function(){
+		var editor = typeof(tinymce) != 'undefined' ? tinymce.activeEditor : false, compareString;
+
+		if ( editor && ! editor.isHidden() ) {
+			if ( editor.isDirty() )
+				return autosaveL10n.saveAlert;
+		} else {
+			if ( fullscreen && fullscreen.settings.visible ) {
+				compareString = wp.autosave.getCompareString({
+					post_title: $('#wp-fullscreen-title').val() || '',
+					content: $('#wp_mce_fullscreen').val() || '',
+					excerpt: $('#excerpt').val() || ''
+				});
+			} else {
+				compareString = wp.autosave.getCompareString();
+			}
+
+			if ( compareString != autosaveLast )
+				return autosaveL10n.saveAlert;
+		}
+	};
+
+	$(window).unload( function(e) {
+		if ( ! autosaveLockRelease )
+			return;
+
+		// unload fires (twice) on removing the Thickbox iframe. Make sure we process only the main document unload.
+		if ( e.target && e.target.nodeName != '#document' )
+			return;
+
+		$.ajax({
+			type: 'POST',
+			url: ajaxurl,
+			async: false,
+			data: {
+				action: 'wp-remove-post-lock',
+				_wpnonce: $('#_wpnonce').val(),
+				post_ID: $('#post_ID').val(),
+				active_post_lock: $('#active_post_lock').val()
+			}
+		});
+	} );
+
+	// preview
+	$('#post-preview').click(function(){
+		if ( $('#auto_draft').val() == '1' && notSaved ) {
+			autosaveDelayPreview = true;
+			autosave();
+			return false;
+		}
+		doPreview();
+		return false;
+	});
+
+	doPreview = function() {
+		$('input#wp-preview').val('dopreview');
+		$('form#post').attr('target', 'wp-preview').submit().attr('target', '');
+
+		/*
+		 * Workaround for WebKit bug preventing a form submitting twice to the same action.
+		 * https://bugs.webkit.org/show_bug.cgi?id=28633
+		 */
+		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();
+			});
+		}
+
+		$('input#wp-preview').val('');
+	}
+
+	// This code is meant to allow tabbing from Title to Post content.
+	$('#title').on('keydown.editor-focus', function(e) {
+		var ed;
+
+		if ( e.which != 9 )
+			return;
+
+		if ( !e.ctrlKey && !e.altKey && !e.shiftKey ) {
+			if ( typeof(tinymce) != 'undefined' )
+				ed = tinymce.get('content');
+
+			if ( ed && !ed.isHidden() ) {
+				$(this).one('keyup', function(e){
+					$('#content_tbl td.mceToolbar > a').focus();
+				});
+			} else {
+				$('#content').focus();
+			}
+
+			e.preventDefault();
+		}
+	});
+
+	// autosave new posts after a title is typed but not if Publish or Save Draft is clicked
+	if ( '1' == $('#auto_draft').val() ) {
+		$('#title').blur( function() {
+			if ( !this.value || $('#auto_draft').val() != '1' )
+				return;
+			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'), post_id, sup;
+
+	if ( res && res.responses && res.responses.length ) {
+		if ( res.responses[0].supplemental ) {
+			sup = res.responses[0].supplemental;
+
+			jQuery.each( sup, function( selector, value ) {
+				if ( selector.match(/^replace-/) )
+					jQuery( '#' + selector.replace('replace-', '') ).val( value );
+			});
+		}
+
+		// if no errors: add slug UI and update autosave-message
+		if ( !res.errors ) {
+			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 );
+		}
+	}
+
+	return res;
+}
+
+// called when autosaving pre-existing post
+function autosave_saved(response) {
+	blockSave = false;
+	autosave_parse_response(response); // parse the ajax response
+	autosave_enable_buttons(); // re-enable disabled form buttons
+}
+
+// called when autosaving new post
+function autosave_saved_new(response) {
+	blockSave = false;
+	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
+		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();
+		}
+	} else {
+		autosave_enable_buttons(); // re-enable disabled form buttons
+	}
+}
+
+function autosave_update_slug(post_id) {
+	// create slug area only if not already there
+	if ( 'undefined' != makeSlugeditClickable && jQuery.isFunction(makeSlugeditClickable) && !jQuery('#edit-slug-box > *').size() ) {
+		jQuery.post( ajaxurl, {
+				action: 'sample-permalink',
+				post_id: post_id,
+				new_title: fullscreen && fullscreen.settings.visible ? jQuery('#wp-fullscreen-title').val() : jQuery('#title').val(),
+				samplepermalinknonce: jQuery('#samplepermalinknonce').val()
+			},
+			function(data) {
+				if ( data !== '-1' ) {
+					var box = jQuery('#edit-slug-box');
+					box.html(data);
+					if (box.hasClass('hidden')) {
+						box.fadeIn('fast', function () {
+							box.removeClass('hidden');
+						});
+					}
+					makeSlugeditClickable();
+				}
+			}
+		);
+	}
+}
+
+function autosave_loading() {
+	jQuery('.autosave-message').html(autosaveL10n.savingText);
+}
+
+function autosave_enable_buttons() {
+	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(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 );
+}
+
+function delayed_autosave() {
+	setTimeout(function(){
+		if ( blockSave )
+			return;
+		autosave();
+	}, 200);
+}
+
+autosave = function() {
+	var post_data = wp.autosave.getPostData(),
+		compareString,
+		successCallback;
+
+	blockSave = true;
+
+	// post_data.content cannot be retrieved at the moment
+	if ( ! post_data.autosave )
+		return false;
+
+	// No autosave while thickbox is open (media buttons)
+	if ( jQuery("#TB_window").css('display') == 'block' )
+		return false;
+
+	compareString = wp.autosave.getCompareString( post_data );
+
+	// Nothing to save or no change.
+	if ( compareString == autosaveLast )
+		return 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;
+}
+
+// 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 ) {
+			data.autosave = false;
+			return data;
+		} else {
+			if ( 'mce_fullscreen' == ed.id )
+				tinymce.get('content').setContent(ed.getContent({format : 'raw'}), {format : 'raw'});
+
+			tinymce.triggerSave();
+		}
+	}
+
+	if ( typeof fullscreen != 'undefined' && fullscreen.settings.visible ) {
+		data['post_title'] = $('#wp-fullscreen-title').val() || '';
+		data['content'] = $('#wp_mce_fullscreen').val() || '';
+	} else {
+		data['post_title'] = $('#title').val() || '';
+		data['content'] = $('#content').val() || '';
+	}
+
+	/*
+	// We haven't been saving tags with autosave since 2.8... Start again?
+	$('.the-tags').each( function() {
+		data[this.name] = this.value;
+	});
+	*/
+
+	$('input[id^="in-category-"]:checked').each( function() {
+		cats.push(this.value);
+	});
+	data['catslist'] = cats.join(',');
+
+	if ( post_name = $('#post_name').val() )
+		data['post_name'] = post_name;
+
+	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 || '' );
+	}
+
+	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;
+	}
+};
+
+wp.autosave.local.init();
+
+}(jQuery));