src/juce_appframework/gui/components/filebrowser/juce_FileTreeComponent.cpp

@@ -90,9 +90,11 @@ public:
     }
 
     //==============================================================================
-    bool mightContainSubItems()             { return isDirectory; }
-    const String getUniqueName() const      { return file.getFullPathName(); }
-    int getItemHeight() const               { return 22; }
+    bool mightContainSubItems()                 { return isDirectory; }
+    const String getUniqueName() const          { return file.getFullPathName(); }
+    int getItemHeight() const                   { return 22; }
+
+    const String getDragSourceDescription()     { return owner.getDragAndDropDescription(); }
 
     void itemOpennessChanged (bool isNowOpen)
     {
@@ -271,5 +273,9 @@ void FileTreeComponent::scrollToTop()
     getViewport()->getVerticalScrollBar()->setCurrentRangeStart (0);
 }
 
+void FileTreeComponent::setDragAndDropDescription (const String& description) throw()
+{
+    dragAndDropDescription = description;
+}
 
 END_JUCE_NAMESPACE

src/juce_appframework/gui/components/filebrowser/juce_FileTreeComponent.h

@@ -80,10 +80,23 @@ public:
     /** Scrolls the list to the top. */
     void scrollToTop();
 
+    /** Setting a name for this allows tree items to be dragged.
+
+        The string that you pass in here will be returned by the getDragSourceDescription()
+        of the items in the tree. For more info, see TreeViewItem::getDragSourceDescription().
+    */
+    void setDragAndDropDescription (const String& description) throw();
+
+    /** Returns the last value that was set by setDragAndDropDescription().
+    */
+    const String& getDragAndDropDescription() const throw()      { return dragAndDropDescription; }
+
     //==============================================================================
     juce_UseDebuggingNewOperator
 
 private:
+    String dragAndDropDescription;
+
     FileTreeComponent (const FileTreeComponent&);
     const FileTreeComponent& operator= (const FileTreeComponent&);
 };