can3p (can3p) wrote in changelog,
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can3p
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[livejournal] r17554: LJSUP-6869: update threads expander logi...

Committer: dpetrov
LJSUP-6869: update threads expander logic
U   trunk/htdocs/js/commentmanage.js
U   trunk/htdocs/js/thread_expander.ex.js
Modified: trunk/htdocs/js/commentmanage.js
===================================================================
--- trunk/htdocs/js/commentmanage.js	2010-10-13 09:10:41 UTC (rev 17553)
+++ trunk/htdocs/js/commentmanage.js	2010-10-13 09:28:48 UTC (rev 17554)
@@ -186,17 +186,15 @@
 
 function removeComment (ditemid, killChildren, isS1) {
     if(isS1){
-        var threadId = ditemid,
-            postid = location.href.match(/\/(\d+).html/)[1];
-            url = '/__rpc_get_thread?journal=' + Site.currentJournal +'&itemid=' + postid + '&thread=' + threadId + '&single=1';
+		var threadId = dItemid;
 
-        jQuery.get( url, function(result) {
-            for( var i = 0; i < result.length; ++i ){
-                if( LJ_cmtinfo[ result[i].thread ].full ){
-                    jQuery("#ljcmtxt" + result[i].thread).html( result[i].html );
-                }
-            }
-        }, 'json' );
+		getThreadJSON(threadId, function(result) {
+			for( var i = 0; i < result.length; ++i ){
+				if( LJ_cmtinfo[ result[i].thread ].full ){
+					jQuery("#ljcmtxt" + result[i].thread).html( result[i].html );
+				}
+			}
+		});
     }
     else {
         var todel = document.getElementById("ljcmt" + ditemid);
@@ -405,7 +403,7 @@
 			pos = { x: e.pageX, y: e.pageY },
 			postUrl = ae.href.replace(/.+talkscreen\.bml/, LiveJournal.getAjaxUrl('talkscreen')),
 			hourglass = jQuery(e).hourglass()[0];
-		
+
 		var xhr = jQuery.post(postUrl + '&jsmode=1',
 			{
 				confirm: 'Y',
@@ -448,21 +446,39 @@
 						return;
 					}
 				}
-				
+
 				if(isS1){
 					var threadId = dItemid,
-						postid = location.href.match(/\/(\d+).html/)[1];
-						url = '/__rpc_get_thread?journal=' + Site.currentJournal +'&itemid=' + postid + '&thread=' + threadId;
+						threadExpanded = !!(LJ_cmtinfo[ threadId ].oldvars && LJ_cmtinfo[ threadId ].full);
+						populateComments = function(result){
+							for( var i = 0; i < result.length; ++i ){
+								if( LJ_cmtinfo[ result[i].thread ].full ){
+									setupAjax(
+										jQuery("#ljcmtxt" + result[i].thread).html(
+											ExpanderEx.prepareCommentBlock(
+													result[i].html,
+													result[ i ].thread,
+													!( 'oldvars' in LJ_cmtinfo[ result[i].thread ] )
+											)
+										)[0], isS1 );
+								}
+							}
+							hourglass.hide();
+							poofAt(pos);
+						};
 
-					jQuery.get( url, function(result) {
-						for( var i = 0; i < result.length; ++i ){
-							if( LJ_cmtinfo[ result[i].thread ].full ){
-								setupAjax( jQuery("#ljcmtxt" + result[i].thread).html( result[i].html )[0], isS1 );
-							}
+					getThreadJSON(threadId, function(result) {
+						//if comment is expanded we need to fetch it's collapsed state additionally
+						if( threadExpanded )
+						{
+							getThreadJSON( threadId, function(result2){
+								ExpanderEx.Collection[ threadId ] = ExpanderEx.prepareCommentBlock( result2[0].html, threadId, true );
+								populateComments( result );
+							}, true, true );
 						}
-						hourglass.hide();
-						poofAt(pos);
-					}, 'json' );
+						else
+							populateComments( result );
+					}, false, !threadExpanded);
 				}
 				else {
 					// modified jQuery.fn.load
@@ -535,7 +551,20 @@
     }
 }
 
+function getThreadJSON(threadId, success, getSingle)
+{
+    var postid = location.href.match(/\/(\d+).html/)[1],
+        params = [
+            'journal=' + Site.currentJournal,
+            'itemid=' + postid,
+            'thread=' + threadId
+        ];
+    if( getSingle)
+        params.push( 'single=1' );
 
+    var url = '/__rpc_get_thread?' + params.join( '&' );
+    jQuery.get( url, success, 'json' );
+}
 
 jQuery(function(){setupAjax( false, ("is_s1" in LJ_cmtinfo ) )});
 

Modified: trunk/htdocs/js/thread_expander.ex.js
===================================================================
--- trunk/htdocs/js/thread_expander.ex.js	2010-10-13 09:10:41 UTC (rev 17553)
+++ trunk/htdocs/js/thread_expander.ex.js	2010-10-13 09:28:48 UTC (rev 17554)
@@ -75,7 +75,7 @@
             continue; //this comment is already expanded
         ExpanderEx.Collection[ json[ i ].thread ] = jQuery( '#ljcmtxt' + json[ i ].thread ).html();
         jQuery( '#ljcmtxt' + json[ i ].thread )
-            .html( json[ i ].html );
+            .html( ExpanderEx.prepareCommentBlock( json[ i ].html, json[ i ].thread, false ) );
 
         this.initCommentBlock( jQuery( '#ljcmt' + json[ i ].thread )[0], json[ i ].thread );
         LJ_cmtinfo[ json[ i ].thread ].parent = this.id;
@@ -84,11 +84,13 @@
     return true;
 }
 
-ExpanderEx.prototype.collapseThread = function(){
-    var ids = [ this.id ].concat( LJ_cmtinfo[ this.id ].rc );
+ExpanderEx.prototype.collapseThread = function( id ){
+    var threadId = id || this.id;
+    this.collapseBlock( threadId );
 
-    for( var i = 0; i < ids.length; ++i )
-        this.collapseBlock( ids[ i ] );
+    var children = LJ_cmtinfo[ threadId ].rc;
+    for( var i = 0; i < children.length; ++i )
+        this.collapseThread( children[ i ] );
 
     //do not call the code, because we do not know folding logic in all cases
     //this.updateParentState();
@@ -115,11 +117,16 @@
 
 ExpanderEx.prototype.collapseBlock =  function( id )
 {
-    if( id in ExpanderEx.Collection ){
+    var expander = this;
+    function updateBlock(id, html)
+    {
         var el_ =jQuery( '#ljcmtxt' + id )
-            .html( ExpanderEx.Collection[ id ] )[0];
+            .html( html )[0];
+        expander.initCommentBlock( el_, id, true );
+    }
 
-        this.initCommentBlock( el_, id, true );
+    if( id in ExpanderEx.Collection ){
+        updateBlock( id, ExpanderEx.Collection[ id ] );
         delete ExpanderEx.Collection[ id ];
     }
 }
@@ -157,14 +164,25 @@
     }
     this.loadingStateOn();
 
-    var postid = this.url.match(/\/(\d+).html/)[1];
-    var url = '/__rpc_get_thread?journal=' + Site.currentJournal +'&itemid=' + postid + '&thread=' + this.id;
-
-
     var obj = this;
-    jQuery.get( url, function(result) {
-            obj.expandThread(result);
-    }, 'json' );
+    getThreadJSON( this.id, function(result) {
+        obj.expandThread(result);
+    }, false, false, true );
 
     return true;
 }
+
+ExpanderEx.prepareCommentBlock = function(html, id, showExpand){
+    var block = jQuery("<div>" + html + "</div>"),
+        selector = '';
+
+    if( LJ_cmtinfo[ id ].has_link > 0 )
+        selector = '#' + ((showExpand ? 'collapse_' : 'expand_' ) + id);
+    else
+        selector = '#collapse_' + id + ', #expand_'  + id
+
+    block.find(selector)
+        .css('display', 'none');
+
+    return block.html();
+}

Tags: can3p, js, livejournal
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