+ // The form is being submitted by the user.
+ $submitButtons = $submitpost.find( ':submit, a.submitdelete, #post-preview' ).on( 'click.edit-post', function( event ) {
+ var $button = $(this);
+
+ if ( $button.hasClass('disabled') ) {
+ event.preventDefault();
+ return;
+ }
+
+ if ( $button.hasClass('submitdelete') || $button.is( '#post-preview' ) ) {
+ return;
+ }
+
+ // The form submission can be blocked from JS or by using HTML 5.0 validation on some fields.
+ // Run this only on an actual 'submit'.
+ $('form#post').off( 'submit.edit-post' ).on( 'submit.edit-post', function( event ) {
+ if ( event.isDefaultPrevented() ) {
+ return;
+ }
+
+ // Stop auto save.
+ if ( wp.autosave ) {
+ wp.autosave.server.suspend();
+ }
+
+ if ( typeof commentReply !== 'undefined' ) {
+ /*
+ * Warn the user they have an unsaved comment before submitting
+ * the post data for update.
+ */
+ if ( ! commentReply.discardCommentChanges() ) {
+ return false;
+ }
+
+ /*
+ * Close the comment edit/reply form if open to stop the form
+ * action from interfering with the post's form action.
+ */
+ commentReply.close();
+ }
+
+ releaseLock = false;
+ $(window).off( 'beforeunload.edit-post' );
+
+ $submitButtons.addClass( 'disabled' );
+
+ if ( $button.attr('id') === 'publish' ) {
+ $submitpost.find( '#major-publishing-actions .spinner' ).addClass( 'is-active' );
+ } else {
+ $submitpost.find( '#minor-publishing .spinner' ).addClass( 'is-active' );
+ }
+ });
+ });
+
+ // Submit the form saving a draft or an autosave, and show a preview in a new tab
+ $('#post-preview').on( 'click.post-preview', function( event ) {
+ var $this = $(this),
+ $form = $('form#post'),
+ $previewField = $('input#wp-preview'),
+ target = $this.attr('target') || 'wp-preview',
+ ua = navigator.userAgent.toLowerCase();
+
+ event.preventDefault();
+
+ if ( $this.hasClass('disabled') ) {
+ return;
+ }
+
+ if ( wp.autosave ) {
+ wp.autosave.server.tempBlockSave();
+ }
+
+ $previewField.val('dopreview');
+ $form.attr( 'target', target ).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
+ if ( ua.indexOf('safari') !== -1 && ua.indexOf('chrome') === -1 ) {
+ $form.attr( 'action', function( index, value ) {
+ return value + '?t=' + ( new Date() ).getTime();
+ });
+ }
+
+ $previewField.val('');
+ });
+
+ // This code is meant to allow tabbing from Title to Post content.
+ $('#title').on( 'keydown.editor-focus', function( event ) {
+ var editor;
+
+ if ( event.keyCode === 9 && ! event.ctrlKey && ! event.altKey && ! event.shiftKey ) {
+ editor = typeof tinymce != 'undefined' && tinymce.get('content');
+
+ if ( editor && ! editor.isHidden() ) {
+ editor.focus();
+ } else if ( $textarea.length ) {
+ $textarea.focus();
+ } else {
+ return;
+ }
+
+ event.preventDefault();
+ }
+ });
+
+ // Auto save new posts after a title is typed.
+ if ( $( '#auto_draft' ).val() ) {
+ $( '#title' ).blur( function() {
+ var cancel;
+
+ if ( ! this.value || $('#edit-slug-box > *').length ) {
+ return;
+ }
+
+ // Cancel the auto save when the blur was triggered by the user submitting the form.
+ $('form#post').one( 'submit', function() {
+ cancel = true;
+ });
+
+ window.setTimeout( function() {
+ if ( ! cancel && wp.autosave ) {
+ wp.autosave.server.triggerSave();
+ }
+ }, 200 );
+ });
+ }
+
+ $document.on( 'autosave-disable-buttons.edit-post', function() {
+ $submitButtons.addClass( 'disabled' );
+ }).on( 'autosave-enable-buttons.edit-post', function() {
+ if ( ! wp.heartbeat || ! wp.heartbeat.hasConnectionError() ) {
+ $submitButtons.removeClass( 'disabled' );
+ }
+ }).on( 'before-autosave.edit-post', function() {
+ $( '.autosave-message' ).text( postL10n.savingText );
+ }).on( 'after-autosave.edit-post', function( event, data ) {
+ $( '.autosave-message' ).text( data.message );
+
+ if ( $( document.body ).hasClass( 'post-new-php' ) ) {
+ $( '.submitbox .submitdelete' ).show();
+ }
+ });
+
+ /*
+ * When the user is trying to load another page, or reloads current page
+ * show a confirmation dialog when there are unsaved changes.
+ */
+ $(window).on( 'beforeunload.edit-post', function() {
+ var editor = typeof tinymce !== 'undefined' && tinymce.get('content');
+
+ if ( ( editor && ! editor.isHidden() && editor.isDirty() ) ||
+ ( wp.autosave && wp.autosave.server.postChanged() ) ) {
+
+ return postL10n.saveAlert;
+ }
+ }).on( 'unload.edit-post', function( event ) {
+ if ( ! releaseLock ) {
+ return;
+ }
+
+ /*
+ * Unload is triggered (by hand) on removing the Thickbox iframe.
+ * Make sure we process only the main document unload.
+ */
+ if ( event.target && event.target.nodeName != '#document' ) {
+ return;
+ }
+
+ var postID = $('#post_ID').val();
+ var postLock = $('#active_post_lock').val();
+
+ if ( ! postID || ! postLock ) {
+ return;
+ }
+
+ var data = {
+ action: 'wp-remove-post-lock',
+ _wpnonce: $('#_wpnonce').val(),
+ post_ID: postID,
+ active_post_lock: postLock
+ };
+
+ if ( window.FormData && window.navigator.sendBeacon ) {
+ var formData = new window.FormData();
+
+ $.each( data, function( key, value ) {
+ formData.append( key, value );
+ });
+
+ if ( window.navigator.sendBeacon( ajaxurl, formData ) ) {
+ return;
+ }
+ }
+
+ // Fall back to a synchronous POST request.
+ // See https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon
+ $.post({
+ async: false,
+ data: data,
+ url: ajaxurl
+ });
+ });
+
+ // Multiple Taxonomies.