From 74a727b42ff91a63bd7e8a6d660280d05ad1ceea Mon Sep 17 00:00:00 2001
From: jules <julianstorer@gmail.com>
Date: Wed, 26 Oct 2011 18:23:49 +0100
Subject: [PATCH] Added a FileTreeComponent::refresh() method.

---
 .../filebrowser/juce_FileTreeComponent.cpp    | 19 +++++++++++++------
 .../filebrowser/juce_FileTreeComponent.h      |  3 +++
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.cpp b/modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.cpp
index 2ae3ba3332..d124d8e42d 100644
--- a/modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.cpp
+++ b/modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.cpp
@@ -209,13 +209,8 @@ private:
 FileTreeComponent::FileTreeComponent (DirectoryContentsList& listToShow)
     : DirectoryContentsDisplayComponent (listToShow)
 {
-    FileListTreeItem* const root
-        = new FileListTreeItem (*this, 0, 0, listToShow.getDirectory(),
-                                listToShow.getTimeSliceThread());
-
-    root->setSubContentsList (&listToShow, false);
     setRootItemVisible (false);
-    setRootItem (root);
+    refresh();
 }
 
 FileTreeComponent::~FileTreeComponent()
@@ -223,6 +218,18 @@ FileTreeComponent::~FileTreeComponent()
     deleteRootItem();
 }
 
+void FileTreeComponent::refresh()
+{
+    deleteRootItem();
+
+    FileListTreeItem* const root
+        = new FileListTreeItem (*this, nullptr, 0, fileList.getDirectory(),
+                                fileList.getTimeSliceThread());
+
+    root->setSubContentsList (&fileList, false);
+    setRootItem (root);
+}
+
 //==============================================================================
 File FileTreeComponent::getSelectedFile (const int index) const
 {
diff --git a/modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.h b/modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.h
index 534bd50500..316188465a 100644
--- a/modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.h
+++ b/modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.h
@@ -76,6 +76,9 @@ public:
         (and if the file isn't in the list, all other items will be deselected). */
     void setSelectedFile (const File&);
 
+    /** Updates the files in the list. */
+    void refresh();
+
     /** Setting a name for this allows tree items to be dragged.
 
         The string that you pass in here will be returned by the getDragSourceDescription()