593 lines
16 KiB
JavaScript
593 lines
16 KiB
JavaScript
/* global tinymce, wpCookies, autosaveL10n, switchEditors */
|
|
// Back-compat
|
|
window.autosave = function() {
|
|
return true;
|
|
};
|
|
|
|
( function( $, window ) {
|
|
function autosave() {
|
|
var initialCompareString,
|
|
lastTriggerSave = 0,
|
|
$document = $(document);
|
|
|
|
/**
|
|
* Returns the data saved in both local and remote autosave
|
|
*
|
|
* @return object Object containing the post data
|
|
*/
|
|
function getPostData( type ) {
|
|
var post_name, parent_id, data,
|
|
time = ( new Date() ).getTime(),
|
|
cats = [],
|
|
editor = typeof tinymce !== 'undefined' && tinymce.get('content');
|
|
|
|
// Don't run editor.save() more often than every 3 sec.
|
|
// It is resource intensive and might slow down typing in long posts on slow devices.
|
|
if ( editor && ! editor.isHidden() && time - 3000 > lastTriggerSave ) {
|
|
editor.save();
|
|
lastTriggerSave = time;
|
|
}
|
|
|
|
data = {
|
|
post_id: $( '#post_ID' ).val() || 0,
|
|
post_type: $( '#post_type' ).val() || '',
|
|
post_author: $( '#post_author' ).val() || '',
|
|
post_title: $( '#title' ).val() || '',
|
|
content: $( '#content' ).val() || '',
|
|
excerpt: $( '#excerpt' ).val() || ''
|
|
};
|
|
|
|
if ( type === 'local' ) {
|
|
return data;
|
|
}
|
|
|
|
$( '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.
|
|
function getCompareString( postData ) {
|
|
if ( typeof postData === 'object' ) {
|
|
return ( postData.post_title || '' ) + '::' + ( postData.content || '' ) + '::' + ( postData.excerpt || '' );
|
|
}
|
|
|
|
return ( $('#title').val() || '' ) + '::' + ( $('#content').val() || '' ) + '::' + ( $('#excerpt').val() || '' );
|
|
}
|
|
|
|
function disableButtons() {
|
|
$document.trigger('autosave-disable-buttons');
|
|
// Re-enable 5 sec later. Just gives autosave a head start to avoid collisions.
|
|
setTimeout( enableButtons, 5000 );
|
|
}
|
|
|
|
function enableButtons() {
|
|
$document.trigger( 'autosave-enable-buttons' );
|
|
}
|
|
|
|
// Autosave in localStorage
|
|
function autosaveLocal() {
|
|
var restorePostData, undoPostData, blog_id, post_id, hasStorage, intervalTimer,
|
|
lastCompareString,
|
|
isSuspended = false;
|
|
|
|
// Check if the browser supports sessionStorage and it's not disabled
|
|
function checkStorage() {
|
|
var test = Math.random().toString(),
|
|
result = false;
|
|
|
|
try {
|
|
window.sessionStorage.setItem( 'wp-test', test );
|
|
result = window.sessionStorage.getItem( 'wp-test' ) === test;
|
|
window.sessionStorage.removeItem( 'wp-test' );
|
|
} catch(e) {}
|
|
|
|
hasStorage = result;
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Initialize the local storage
|
|
*
|
|
* @return mixed False if no sessionStorage in the browser or an Object containing all postData for this blog
|
|
*/
|
|
function getStorage() {
|
|
var stored_obj = false;
|
|
// Separate local storage containers for each blog_id
|
|
if ( hasStorage && blog_id ) {
|
|
stored_obj = sessionStorage.getItem( 'wp-autosave-' + 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
|
|
*/
|
|
function setStorage( stored_obj ) {
|
|
var key;
|
|
|
|
if ( hasStorage && blog_id ) {
|
|
key = 'wp-autosave-' + 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 postData as an Object
|
|
*/
|
|
function getSavedPostData() {
|
|
var stored = getStorage();
|
|
|
|
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
|
|
*/
|
|
function setData( stored_data ) {
|
|
var stored = getStorage();
|
|
|
|
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 setStorage( stored );
|
|
}
|
|
|
|
function suspend() {
|
|
isSuspended = true;
|
|
}
|
|
|
|
function resume() {
|
|
isSuspended = false;
|
|
}
|
|
|
|
/**
|
|
* Save post data for the current post
|
|
*
|
|
* Runs on a 15 sec. interval, 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
|
|
*/
|
|
function save( data ) {
|
|
var postData, compareString,
|
|
result = false;
|
|
|
|
if ( isSuspended || ! hasStorage ) {
|
|
return false;
|
|
}
|
|
|
|
if ( data ) {
|
|
postData = getSavedPostData() || {};
|
|
$.extend( postData, data );
|
|
} else {
|
|
postData = getPostData('local');
|
|
}
|
|
|
|
compareString = getCompareString( postData );
|
|
|
|
if ( typeof lastCompareString === 'undefined' ) {
|
|
lastCompareString = initialCompareString;
|
|
}
|
|
|
|
// If the content, title and excerpt did not change since the last save, don't save again
|
|
if ( compareString === lastCompareString ) {
|
|
return false;
|
|
}
|
|
|
|
postData.save_time = ( new Date() ).getTime();
|
|
postData.status = $( '#post_status' ).val() || '';
|
|
result = setData( postData );
|
|
|
|
if ( result ) {
|
|
lastCompareString = compareString;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// Run on DOM ready
|
|
function run() {
|
|
post_id = $('#post_ID').val() || 0;
|
|
|
|
// Check if the local post data is different than the loaded post data.
|
|
if ( $( '#wp-content-wrap' ).hasClass( 'tmce-active' ) ) {
|
|
// If TinyMCE loads first, check the post 1.5 sec. after it is ready.
|
|
// By this time the content has been loaded in the editor and 'saved' to the textarea.
|
|
// This prevents false positives.
|
|
$document.on( 'tinymce-editor-init.autosave', function() {
|
|
window.setTimeout( function() {
|
|
checkPost();
|
|
}, 1500 );
|
|
});
|
|
} else {
|
|
checkPost();
|
|
}
|
|
|
|
// Save every 15 sec.
|
|
intervalTimer = window.setInterval( save, 15000 );
|
|
|
|
$( '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.on( 'submit', function() {
|
|
save({
|
|
post_title: $( '#title' ).val() || '',
|
|
content: $( '#content' ).val() || '',
|
|
excerpt: $( '#excerpt' ).val() || ''
|
|
});
|
|
});
|
|
} else {
|
|
save({
|
|
post_title: $( '#title' ).val() || '',
|
|
content: $( '#content' ).val() || '',
|
|
excerpt: $( '#excerpt' ).val() || ''
|
|
});
|
|
}
|
|
|
|
var secure = ( 'https:' === window.location.protocol );
|
|
wpCookies.set( 'wp-saving-post', post_id + '-check', 24 * 60 * 60, false, false, secure );
|
|
});
|
|
}
|
|
|
|
// Strip whitespace and compare two strings
|
|
function compare( str1, str2 ) {
|
|
function removeSpaces( string ) {
|
|
return string.toString().replace(/[\x20\t\r\n\f]+/g, '');
|
|
}
|
|
|
|
return ( removeSpaces( str1 || '' ) === removeSpaces( 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
|
|
*/
|
|
function checkPost() {
|
|
var content, post_title, excerpt, $notice,
|
|
postData = getSavedPostData(),
|
|
cookie = wpCookies.get( 'wp-saving-post' );
|
|
|
|
if ( cookie === post_id + '-saved' ) {
|
|
wpCookies.remove( 'wp-saving-post' );
|
|
// The post was saved properly, remove old data and bail
|
|
setData( false );
|
|
return;
|
|
}
|
|
|
|
if ( ! postData ) {
|
|
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 ( compare( content, postData.content ) && compare( post_title, postData.post_title ) &&
|
|
compare( excerpt, postData.excerpt ) ) {
|
|
|
|
return;
|
|
}
|
|
|
|
restorePostData = postData;
|
|
undoPostData = {
|
|
content: content,
|
|
post_title: post_title,
|
|
excerpt: excerpt
|
|
};
|
|
|
|
$notice = $( '#local-storage-notice' );
|
|
$('.wrap h2').first().after( $notice.addClass( 'notice-warning' ).show() );
|
|
|
|
$notice.on( 'click.autosave-local', function( event ) {
|
|
var $target = $( event.target );
|
|
|
|
if ( $target.hasClass( 'restore-backup' ) ) {
|
|
restorePost( restorePostData );
|
|
$target.parent().hide();
|
|
$(this).find( 'p.undo-restore' ).show();
|
|
$notice.removeClass( 'notice-warning' ).addClass( 'notice-success' );
|
|
} else if ( $target.hasClass( 'undo-restore-backup' ) ) {
|
|
restorePost( undoPostData );
|
|
$target.parent().hide();
|
|
$(this).find( 'p.local-restore' ).show();
|
|
$notice.removeClass( 'notice-success' ).addClass( 'notice-warning' );
|
|
}
|
|
|
|
event.preventDefault();
|
|
});
|
|
}
|
|
|
|
// Restore the current title, content and excerpt from postData.
|
|
function restorePost( postData ) {
|
|
var editor;
|
|
|
|
if ( postData ) {
|
|
// Set the last saved data
|
|
lastCompareString = getCompareString( postData );
|
|
|
|
if ( $( '#title' ).val() !== postData.post_title ) {
|
|
$( '#title' ).focus().val( postData.post_title || '' );
|
|
}
|
|
|
|
$( '#excerpt' ).val( postData.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( postData.content ? switchEditors.wpautop( postData.content ) : '' );
|
|
} else {
|
|
// Make sure the Text editor is selected
|
|
$( '#content-html' ).click();
|
|
$( '#content' ).val( postData.content );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
blog_id = typeof window.autosaveL10n !== 'undefined' && window.autosaveL10n.blog_id;
|
|
|
|
// Check if the browser supports sessionStorage and it's not disabled,
|
|
// then initialize and run checkPost().
|
|
// Don't run if the post type supports neither 'editor' (textarea#content) nor 'excerpt'.
|
|
if ( checkStorage() && blog_id && ( $('#content').length || $('#excerpt').length ) ) {
|
|
$document.ready( run );
|
|
}
|
|
|
|
return {
|
|
hasStorage: hasStorage,
|
|
getSavedPostData: getSavedPostData,
|
|
save: save,
|
|
suspend: suspend,
|
|
resume: resume
|
|
};
|
|
}
|
|
|
|
// Autosave on the server
|
|
function autosaveServer() {
|
|
var _blockSave, _blockSaveTimer, previousCompareString, lastCompareString,
|
|
nextRun = 0,
|
|
isSuspended = false;
|
|
|
|
// Block saving for the next 10 sec.
|
|
function tempBlockSave() {
|
|
_blockSave = true;
|
|
window.clearTimeout( _blockSaveTimer );
|
|
|
|
_blockSaveTimer = window.setTimeout( function() {
|
|
_blockSave = false;
|
|
}, 10000 );
|
|
}
|
|
|
|
function suspend() {
|
|
isSuspended = true;
|
|
}
|
|
|
|
function resume() {
|
|
isSuspended = false;
|
|
}
|
|
|
|
// Runs on heartbeat-response
|
|
function response( data ) {
|
|
_schedule();
|
|
_blockSave = false;
|
|
lastCompareString = previousCompareString;
|
|
previousCompareString = '';
|
|
|
|
$document.trigger( 'after-autosave', [data] );
|
|
enableButtons();
|
|
|
|
if ( data.success ) {
|
|
// No longer an auto-draft
|
|
$( '#auto_draft' ).val('');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save immediately
|
|
*
|
|
* Resets the timing and tells heartbeat to connect now
|
|
*
|
|
* @return void
|
|
*/
|
|
function triggerSave() {
|
|
nextRun = 0;
|
|
wp.heartbeat.connectNow();
|
|
}
|
|
|
|
/**
|
|
* Checks if the post content in the textarea has changed since page load.
|
|
*
|
|
* This also happens when TinyMCE is active and editor.save() is triggered by
|
|
* wp.autosave.getPostData().
|
|
*
|
|
* @return bool
|
|
*/
|
|
function postChanged() {
|
|
return getCompareString() !== initialCompareString;
|
|
}
|
|
|
|
// Runs on 'heartbeat-send'
|
|
function save() {
|
|
var postData, compareString;
|
|
|
|
// window.autosave() used for back-compat
|
|
if ( isSuspended || _blockSave || ! window.autosave() ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ( new Date() ).getTime() < nextRun ) {
|
|
return false;
|
|
}
|
|
|
|
postData = getPostData();
|
|
compareString = getCompareString( postData );
|
|
|
|
// First check
|
|
if ( typeof lastCompareString === 'undefined' ) {
|
|
lastCompareString = initialCompareString;
|
|
}
|
|
|
|
// No change
|
|
if ( compareString === lastCompareString ) {
|
|
return false;
|
|
}
|
|
|
|
previousCompareString = compareString;
|
|
tempBlockSave();
|
|
disableButtons();
|
|
|
|
$document.trigger( 'wpcountwords', [ postData.content ] )
|
|
.trigger( 'before-autosave', [ postData ] );
|
|
|
|
postData._wpnonce = $( '#_wpnonce' ).val() || '';
|
|
|
|
return postData;
|
|
}
|
|
|
|
function _schedule() {
|
|
nextRun = ( new Date() ).getTime() + ( autosaveL10n.autosaveInterval * 1000 ) || 60000;
|
|
}
|
|
|
|
$document.on( 'heartbeat-send.autosave', function( event, data ) {
|
|
var autosaveData = save();
|
|
|
|
if ( autosaveData ) {
|
|
data.wp_autosave = autosaveData;
|
|
}
|
|
}).on( 'heartbeat-tick.autosave', function( event, data ) {
|
|
if ( data.wp_autosave ) {
|
|
response( data.wp_autosave );
|
|
}
|
|
}).on( 'heartbeat-connection-lost.autosave', function( event, error, status ) {
|
|
// When connection is lost, keep user from submitting changes.
|
|
if ( 'timeout' === error || 603 === status ) {
|
|
var $notice = $('#lost-connection-notice');
|
|
|
|
if ( ! wp.autosave.local.hasStorage ) {
|
|
$notice.find('.hide-if-no-sessionstorage').hide();
|
|
}
|
|
|
|
$notice.show();
|
|
disableButtons();
|
|
}
|
|
}).on( 'heartbeat-connection-restored.autosave', function() {
|
|
$('#lost-connection-notice').hide();
|
|
enableButtons();
|
|
}).ready( function() {
|
|
_schedule();
|
|
});
|
|
|
|
return {
|
|
tempBlockSave: tempBlockSave,
|
|
triggerSave: triggerSave,
|
|
postChanged: postChanged,
|
|
suspend: suspend,
|
|
resume: resume
|
|
};
|
|
}
|
|
|
|
// Wait for TinyMCE to initialize plus 1 sec. for any external css to finish loading,
|
|
// then 'save' to the textarea before setting initialCompareString.
|
|
// This avoids any insignificant differences between the initial textarea content and the content
|
|
// extracted from the editor.
|
|
$document.on( 'tinymce-editor-init.autosave', function( event, editor ) {
|
|
if ( editor.id === 'content' ) {
|
|
window.setTimeout( function() {
|
|
editor.save();
|
|
initialCompareString = getCompareString();
|
|
}, 1000 );
|
|
}
|
|
}).ready( function() {
|
|
// Set the initial compare string in case TinyMCE is not used or not loaded first
|
|
initialCompareString = getCompareString();
|
|
});
|
|
|
|
return {
|
|
getPostData: getPostData,
|
|
getCompareString: getCompareString,
|
|
disableButtons: disableButtons,
|
|
enableButtons: enableButtons,
|
|
local: autosaveLocal(),
|
|
server: autosaveServer()
|
|
};
|
|
}
|
|
|
|
window.wp = window.wp || {};
|
|
window.wp.autosave = autosave();
|
|
|
|
}( jQuery, window ));
|