WordPress/wp-includes/js/autosave.js

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var autosaveLast = '';
var autosavePeriodical;
var autosaveOldMessage = '';
jQuery(function($) {
autosaveLast = $('#post #title').val()+$('#post #content').val();
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); });
// Autosave early on for a new post. Why? Should this only be run once?
$("#content").keypress(function() {
if ( 1 === ( $(this).val().length % 15 ) && 1 > parseInt($("#post_ID").val(),10) )
setTimeout(autosave, 5000);
});
});
// called when autosaving pre-existing post
function autosave_saved(response) {
var res = wpAjax.parseAjaxResponse(response, 'autosave'); // parse the ajax response
var message = '';
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 ) {
if ( 'disable' == res.responses[0].supplemental['disable_autosave'] ) {
autosave = function() {};
res = { errors: true };
}
jQuery.each(res.responses[0].supplemental, function(selector, value) {
if ( selector.match(/^replace-/) ) {
jQuery('#'+selector.replace('replace-', '')).val(value);
}
});
}
// if no errors: add preview link and slug UI
if ( !res.errors ) {
var postID = parseInt( res.responses[0].id );
if ( !isNaN(postID) && postID > 0 ) {
autosave_update_preview_link(postID);
autosave_update_slug(postID);
}
}
}
if ( message ) { jQuery('#autosave').html(message); } // update autosave message
else if ( autosaveOldMessage && res ) { jQuery('#autosave').html( autosaveOldMessage ); }
autosave_enable_buttons(); // re-enable disabled form buttons
return res;
}
// called when autosaving new post
function autosave_update_post_ID(response) {
var res = autosave_saved(response); // parse the ajax response do the above
// if no errors: update post_ID from the temporary value, grab new save-nonce for that new ID
if ( res && res.responses.length && !res.errors ) {
var postID = parseInt( res.responses[0].id );
if ( !isNaN(postID) && postID > 0 ) {
if ( postID == parseInt(jQuery('#post_ID').val()) ) { return; } // no need to do this more than once
jQuery('#post_ID').attr({name: "post_ID"});
jQuery('#post_ID').val(postID);
// We need new nonces
jQuery.post(autosaveL10n.requestFile, {
action: "autosave-generate-nonces",
post_ID: postID,
autosavenonce: jQuery('#autosavenonce').val(),
post_type: jQuery('#post_type').val()
}, function(html) {
jQuery('#_wpnonce').val(html);
});
jQuery('#hiddenaction').val('editpost');
}
}
}
function autosave_update_preview_link(post_id) {
// Add preview button if not already there
if ( !jQuery('#previewview > *').size() ) {
var post_type = jQuery('#post_type').val();
var previewText = 'page' == post_type ? autosaveL10n.previewPageText : autosaveL10n.previewPostText;
jQuery.post(autosaveL10n.requestFile, {
action: "get-permalink",
post_id: post_id,
getpermalinknonce: jQuery('#getpermalinknonce').val()
}, function(permalink) {
jQuery('#previewview').html('<a target="_blank" href="'+permalink+'">'+previewText+'</a>');
});
}
}
function autosave_update_slug(post_id) {
// create slug area only if not already there
if ( jQuery.isFunction(make_slugedit_clickable) && !jQuery('#edit-slug-box > *').size() ) {
jQuery.post(
slugL10n.requestFile,
{
action: 'sample-permalink',
post_id: post_id,
new_title: jQuery('#title').val(),
samplepermalinknonce: jQuery('#samplepermalinknonce').val()
},
function(data) {
jQuery('#edit-slug-box').html(data);
make_slugedit_clickable();
}
);
}
}
function autosave_loading() {
jQuery('#autosave').html(autosaveL10n.savingText);
}
function autosave_enable_buttons() {
jQuery("#submitpost :button:disabled, #submitpost :submit:disabled").attr('disabled', '');
}
function autosave_disable_buttons() {
jQuery("#submitpost :button:enabled, #submitpost :submit:enabled").attr('disabled', 'disabled');
setTimeout(autosave_enable_buttons, 1000); // Re-enable 1 sec later. Just gives autosave a head start to avoid collisions.
}
var autosave = function() {
// (bool) is rich editor enabled and active
var rich = (typeof tinyMCE != "undefined") && tinyMCE.activeEditor && !tinyMCE.activeEditor.isHidden();
var post_data = {
action: "autosave",
post_ID: jQuery("#post_ID").val() || 0,
post_title: jQuery("#title").val() || "",
autosavenonce: jQuery('#autosavenonce').val(),
tags_input: jQuery("#tags-input").val() || "",
post_type: jQuery('#post_type').val() || "",
autosave: 1
};
// 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.
var doAutoSave = true;
/* Gotta do this up here so we can check the length when tinyMCE is in use */
if ( rich ) { tinyMCE.triggerSave(); }
post_data["content"] = jQuery("#content").val();
if ( jQuery('#post_name').val() )
post_data["post_name"] = jQuery('#post_name').val();
// 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
}
autosave_disable_buttons();
var origStatus = jQuery('#original_post_status').val();
if ( 'draft' != origStatus ) // autosave currently only turned on for drafts
doAutoSave = false;
autosaveLast = jQuery("#title").val()+jQuery("#content").val();
goodcats = ([]);
jQuery("[@name='post_category[]']:checked").each( function(i) {
goodcats.push(this.value);
} );
post_data["catslist"] = goodcats.join(",");
if ( jQuery("#comment_status").attr("checked") )
post_data["comment_status"] = 'open';
if ( jQuery("#ping_status").attr("checked") )
post_data["ping_status"] = 'open';
if( jQuery("#excerpt"))
post_data["excerpt"] = jQuery("#excerpt").val();
// Don't run while the TinyMCE spellcheck is on. Why? Who knows.
if ( rich && tinyMCE.activeEditor.plugins.spellchecker && tinyMCE.activeEditor.plugins.spellchecker.active ) {
doAutoSave = false;
}
if(parseInt(post_data["post_ID"]) < 1) {
post_data["temp_ID"] = post_data["post_ID"];
var successCallback = autosave_update_post_ID; // new post
} else {
var successCallback = autosave_saved; // pre-existing post
}
if ( !doAutoSave ) {
post_data['autosave'] = 0;
}
autosaveOldMessage = jQuery('#autosave').html();
jQuery.ajax({
data: post_data,
beforeSend: doAutoSave ? autosave_loading : null,
type: "POST",
url: autosaveL10n.requestFile,
success: successCallback
});
}