Comments post-box: show comments on the currently edited post with ajax, 20 at a time

git-svn-id: http://svn.automattic.com/wordpress/trunk@9225 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin-ajax.php

@@ -442,6 +442,36 @@ case 'add-comment' :
 	}
 	$x->send();
 	break;
+case 'get-comments' :
+	check_ajax_referer( $action );
+
+	$post_ID = (int) $_POST['post_ID'];
+	if ( !current_user_can( 'edit_post', $post_ID ) )
+		die('-1');
+
+	$start = isset($_POST['start']) ? intval($_POST['start']) : 0;
+	$num = isset($_POST['num']) ? intval($_POST['num']) : 10;
+
+	list($comments, $total) = _wp_get_comment_list( false, false, $start, $num, $post_ID );
+
+	if ( !$comments )
+		die('1');
+
+	$comment_list_item = '';
+	$x = new WP_Ajax_Response();
+	foreach ( (array) $comments as $comment ) {
+		get_comment( $comment );
+		ob_start();
+			_wp_comment_row( $comment->comment_ID, 'single', false, false );
+			$comment_list_item .= ob_get_contents();
+		ob_end_clean();
+	}
+	$x->add( array(
+		'what' => 'comments',
+		'data' => $comment_list_item
+	) );
+	$x->send();
+	break;
 case 'replyto-comment' :
 	check_ajax_referer( $action );
 

wp-admin/edit-form-advanced.php

@@ -341,17 +341,13 @@ function post_comment_status_meta_box($post) {
 </p>
 <?php
 
-	if ( !$post_ID || $post_ID < 0 )
+	if ( !$post_ID || $post_ID < 0 || 0 == $post->comment_count )
 		return;
 
-	if ( !$comments = $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved != 'spam' ORDER BY comment_date", $post_ID) ) )
-		return;
-
-	// Make sure comments, post, and post_author are cached
-//	update_comment_cache($comments);
+wp_nonce_field( 'get-comments', 'add_comment_nonce', false );
 ?>
 
-<table class="widefat">
+<table class="widefat comments-box" style="display:none;">
 <thead>
 	<tr>
 		<th scope="col"><?php _e('Comments') ?></th>
@@ -360,13 +356,9 @@ function post_comment_status_meta_box($post) {
 	</tr>
 </thead>
 <tbody id="the-comment-list" class="list:comment">
-<?php
-	foreach ($comments as $comment)
-		_wp_comment_row( $comment, 'single', false, false );
-?>
 </tbody>
 </table>
-
+<p class="hide-if-no-js"><a href="#commentstatusdiv" id="show-comments" onclick="commentsBox.get();return false;"><?php _e('Show comments'); ?></a> <img class="waiting" style="display:none;" src="images/loading.gif" alt="" /></p>
 <?php
 }
 add_meta_box('commentstatusdiv', __('Comments on this Post'), 'post_comment_status_meta_box', 'post', 'normal', 'core');

wp-admin/js/edit-comments.js

@@ -153,7 +153,7 @@ commentReply = {
 
 		t.o = '#comment-'+id;
 
-		$('#replyrow td').attr('colspan', $('.widefat tfoot th:visible').length);
+		$('#replyrow td').attr('colspan', $('.widefat thead th:visible').length);
 		var editRow = $('#replyrow'), rowData = $('#inline-'+id);
 		var act = t.act = (a == 'edit') ? 'edit-comment' : 'replyto-comment';
 

wp-admin/js/post.js

@@ -229,3 +229,53 @@ jQuery(document).ready( function($) {
 		return false;
 	});
 });
+
+(function($){
+	commentsBox = {
+		st : 0,
+
+		get : function(id, nonce) {
+			var st = this.st;
+			this.st += 20;
+
+			$('.waiting').show();
+
+			var data = {
+				'action' : 'get-comments',
+				'mode' : 'single',
+				'_ajax_nonce' : $('#add_comment_nonce').val(),
+				'post_ID' : $('#post_ID').val(),
+				'start' : st,
+				'num' : '20'
+			};
+
+			$.post('admin-ajax.php', data,
+				function(r) {
+					var r = wpAjax.parseAjaxResponse(r);
+					$('#commentstatusdiv .widefat').show();
+					$('.waiting').hide();
+
+					if ( 'object' == typeof r && r.responses[0] ) {
+						$('#the-comment-list').append( r.responses[0].data );
+						$('#the-comment-list .hide-if-no-js').removeClass('hide-if-no-js');
+
+						theList = theExtraList = null;
+						$("a[className*=':']").unbind();
+						setCommentsList();
+						$('#show-comments').html(postL10n.showcomm);
+						return;
+					} else if ( 1 == r ) {
+						$('#show-comments').parent().html(postL10n.endcomm);
+						return;
+					}
+
+					$('#the-comment-list').append('<tr><td colspan="5">'+wpAjax.broken+'</td></tr>');
+				}
+			);
+
+			return false;
+		}
+	}
+
+})(jQuery);
+

wp-admin/wp-admin.css

@@ -1083,6 +1083,11 @@ table.form-table td .updated {
 	margin: 11px 0;
 }
 
+#side-sortables .comments-box,
+#side-sortables #show-comments {
+	display: none;
+}
+
 #mediadiv img {
 	float: left;
 	margin-right: 1em;
@@ -1975,7 +1980,8 @@ a.togbox {
 }
 
 #replysubmit img.waiting,
-.quick-edit-save img.waiting {
+.quick-edit-save img.waiting,
+#commentstatusdiv img.waiting {
 	padding: 0 10px;
 	vertical-align: top;
 }

wp-includes/script-loader.php

@@ -183,6 +183,8 @@ function wp_default_scripts( &$scripts ) {
 			'separate' => __('Separate tags with commas'),
 			'cancel' => __('Cancel'),
 			'edit' => __('Edit'),
+			'showcomm' => __('Show more comments'),
+			'endcomm' => __('No more comments found.')
 		) );
 		$scripts->add( 'page', '/wp-admin/js/page.js', array('jquery', 'slug', 'postbox', 'settings-box'), '20080925' );
 		$scripts->localize( 'page', 'postL10n', array(