From fb9f8dd4499db34120317bcd70aca974e50c437a Mon Sep 17 00:00:00 2001
From: coderaiser <mnemonic.enemy@gmail.com>
Date: Tue, 7 Aug 2012 10:47:43 -0400
Subject: [PATCH] added moving scrolling by cursor ability

---
 ChangeLog                |  1 +
 lib/client/keyBinding.js | 42 ++++++++++++++++++++++++++--------------
 2 files changed, 28 insertions(+), 15 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 0f66643b..857a91e6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,6 +8,7 @@ End buttons pressed.
 * Added ability to move with Page Up and Page Down
 buttons.
 
+* Added moving scrolling by cursor ability.
 
 2012.08.06, Version 0.1.5
 
diff --git a/lib/client/keyBinding.js b/lib/client/keyBinding.js
index ae5f69ea..8321cc58 100644
--- a/lib/client/keyBinding.js
+++ b/lib/client/keyBinding.js
@@ -77,7 +77,7 @@ CloudCommander.keyBinding=(function(){
                     
                     /* если ненайдены выделенные файлы - выходим*/
                     if(!lCurrentFile) return;
-
+                    
                     /* если это строка существет и
                      * если она не заголовок
                      * файловой таблицы
@@ -87,17 +87,24 @@ CloudCommander.keyBinding=(function(){
                         /* убираем выделение с текущего элемента */
                         lCurrentFile.className='';
                         /* и выделяем предыдущую строку*/
-                        lCurrentFile.previousSibling.className = CloudCommander.CURRENT_FILE;
+                        lCurrentFile.previousSibling.className = 
+                            CloudCommander.CURRENT_FILE;
+                                                                        
+                        /* scrolling to current file*/
+                        if(lCurrentFile.previousSibling)
+                            lCurrentFile.previousSibling.scrollIntoViewIfNeeded();
                         
                         /* if we on the top of
                          * the screan then 
                          * moving down the scroolbar
                          */
-                        lTop = lCurrentFile.previousSibling.offsetTop;
-                        lTop % 
-                            (CloudCommander.HEIGHT - 
-                                CloudCommander.HEIGHT/10) < 70 &&
-                            lCurrentFile.parentElement.scrollByLines(-2);                        
+                         /*
+                            lTop = lCurrentFile.previousSibling.offsetTop;
+                            lTop % 
+                                (CloudCommander.HEIGHT - 
+                                    CloudCommander.HEIGHT/10) < 70 &&
+                                lCurrentFile.parentElement.scrollByLines(-2); 
+                        */
                     }
                 }
                 /* если нажали клавишу в низ*/
@@ -115,18 +122,23 @@ CloudCommander.keyBinding=(function(){
                         /* выделяем следующую строку*/
                         lCurrentFile.nextSibling.className = CloudCommander.CURRENT_FILE;
                         
+                        /* scrolling to current file*/
+                        lCurrentFile.scrollIntoViewIfNeeded();
+                        
                         /* if we on the bottom of
                          * the screan then 
                          * moving down the scroolbar
                          */
-                        lTop = lCurrentFile.previousSibling.offsetTop;
-                        var lHeight = CloudCommander.HEIGHT;
-                        var lMod    = lTop % (lHeight - lHeight/10) < 70;
-                        lTop > (lHeight/10) &&
-                                 lMod < 70 && lMod > 50 &&
-                            console.log(lCurrentFile
-                                .parentElement
-                                    .scrollByLines(2) || '!');                        
+                        /*
+                            lTop = lCurrentFile.previousSibling.offsetTop;
+                            var lHeight = CloudCommander.HEIGHT;
+                            var lMod    = lTop % (lHeight - lHeight/10) < 70;
+                            lTop > (lHeight/10) &&
+                                     lMod < 70 && lMod > 50 &&
+                                console.log(lCurrentFile
+                                    .parentElement
+                                        .scrollByLines(2) || '!');
+                        */
                     }
                 }
                 /* если нажали клавишу Home