Auto add preview link after autosaving a new post or page. Props filosofo. see #5847

git-svn-id: http://svn.automattic.com/wordpress/trunk@6953 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin-ajax.php

@@ -524,6 +524,11 @@ case 'closed-postboxes' :
 	$current_user = wp_get_current_user();
 	update_usermeta($current_user->ID, 'closedpostboxes_'.$page, $closed);
 break;
+case 'get-permalink':
+	check_ajax_referer( 'getpermalink', 'getpermalinknonce' );
+	$post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
+	die(get_permalink($post_id));
+break;
 case 'sample-permalink':
 	check_ajax_referer( 'samplepermalink', 'samplepermalinknonce' );
 	$post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;

wp-admin/edit-form-advanced.php

@@ -92,6 +92,7 @@ addLoadEvent(focusit);
 <?php wp_nonce_field( 'autosave', 'autosavenonce', false ); ?>
 <?php wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); ?>
 <?php wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false ); ?>
+<?php wp_nonce_field( 'getpermalink', 'getpermalinknonce', false ); ?>
 </div>
 
 <?php echo $form_pingback ?>

wp-admin/edit-page-form.php

@@ -59,6 +59,7 @@ addLoadEvent(focusit);
 <?php the_editor($post->post_content); ?>
 <?php wp_nonce_field( 'autosave', 'autosavenonce', false ); ?>
 <?php wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); ?>
+<?php wp_nonce_field( 'getpermalink', 'getpermalinknonce', false ); ?>
 </div>
 
 <div class="submitbox" id="submitpage">

wp-includes/js/autosave.js

@@ -46,9 +46,26 @@ function autosave_update_post_ID(response) {
 		message = autosaveL10n.failText;
 	}
 	jQuery('#autosave').html(message);
+	autosave_update_preview_link(res);
 	autosave_enable_buttons();
 }
 
+function autosave_update_preview_link(post_id) {
+	// Add preview button if not already there
+	if ( ! jQuery('#previewview > *').get()[0] ) {
+		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_loading() {
 	jQuery('#autosave').html(autosaveL10n.savingText);
 }
@@ -63,6 +80,7 @@ function autosave_saved(response) {
 		message = autosaveL10n.saveText.replace(/%time%/g, autosave_cur_time());
 	}
 	jQuery('#autosave').html(message);
+	autosave_update_preview_link(res);
 	autosave_enable_buttons();
 }
 

wp-includes/script-loader.php

@@ -42,11 +42,13 @@ class WP_Scripts {
 		
 		$this->add( 'prototype', '/wp-includes/js/prototype.js', false, '1.6');
 
-		$this->add( 'autosave', '/wp-includes/js/autosave.js', array('jquery', 'schedule'), '20080206');
+		$this->add( 'autosave', '/wp-includes/js/autosave.js', array('jquery', 'schedule'), '20080220');
 		$this->localize( 'autosave', 'autosaveL10n', array(
 			'autosaveInterval' => apply_filters('autosave_interval', '120'),
 			'errorText' => __('Error: %response%'),
 			'failText' => __('Error: Autosave Failed.'),
+			'previewPageText' => __('Preview this Page'),
+			'previewPostText' => __('Preview this Post'),
 			'saveText' => __('Saved at %time%.'),
 			'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
 			'savingText' => __('Saving Draft...')
@@ -484,4 +486,4 @@ function wp_prototype_before_jquery( $js_array ) {
 
 add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
 
-?>
+?>