From b5ee03c816da14c66220627ac28f8d9d58c372df Mon Sep 17 00:00:00 2001
From: coderaiser <mnemonic.enemy@gmail.com>
Date: Thu, 23 Jul 2015 09:19:10 -0400
Subject: [PATCH] feature(dom) add unselectFiles

---
 lib/client/dom.js       | 16 ++++++++++++++++
 lib/client/key.js       |  4 ++++
 lib/client/listeners.js |  2 ++
 3 files changed, 22 insertions(+)

diff --git a/lib/client/dom.js b/lib/client/dom.js
index 8e903f32..1bd9a340 100644
--- a/lib/client/dom.js
+++ b/lib/client/dom.js
@@ -583,6 +583,22 @@ var CloudCmd, Util, DOM, CloudFunc, Dialog;
                 return ret;
             };
             
+            
+            /*
+             * unselect all files
+             */
+            this.unselectFiles          = function(files) {
+                var array,
+                    isArray = Array.isArray(files);
+                
+                if (!files) {
+                    array = DOM.getSelectedFiles();
+                } else if (!isArray)
+                    array = [].slice.call(files);
+                
+                array.forEach(DOM.toggleSelectedFile);
+            };
+            
             /**
              * get all selected files with current included
              *
diff --git a/lib/client/key.js b/lib/client/key.js
index 2ebcd672..47e4baa8 100644
--- a/lib/client/key.js
+++ b/lib/client/key.js
@@ -367,6 +367,8 @@ var CloudCmd, Util, DOM;
             case Key.UP:
                 if (shift)
                     DOM.toggleSelectedFile(current);
+                else
+                    DOM.unselectFiles();
                 
                 DOM.setCurrentFile(prev);
                 event.preventDefault();
@@ -377,6 +379,8 @@ var CloudCmd, Util, DOM;
             case Key.DOWN:
                 if (shift)
                     DOM.toggleSelectedFile(current);
+                else
+                    DOM.unselectFiles();
                 
                 DOM.setCurrentFile(next);
                 event.preventDefault();
diff --git a/lib/client/listeners.js b/lib/client/listeners.js
index 33da03bb..19416259 100644
--- a/lib/client/listeners.js
+++ b/lib/client/listeners.js
@@ -166,6 +166,8 @@ var Util, DOM, CloudFunc, CloudCmd;
                     if (!DOM.isSelected(current))
                         DOM.toggleSelectedFile(current);
                 });
+            else
+                DOM.unselectFiles();
         }
         
         function changePanel(element) {