src/juce_appframework/gui/components/controls/juce_TreeView.cpp

@@ -263,13 +263,37 @@ private:
     TreeViewContentComponent (const TreeViewContentComponent&);
     const TreeViewContentComponent& operator= (const TreeViewContentComponent&);
 
-    static void selectBasedOnModifiers (TreeViewItem* const item, const ModifierKeys& modifiers)
+    void selectBasedOnModifiers (TreeViewItem* const item, const ModifierKeys& modifiers)
     {
-        const bool shft = modifiers.isShiftDown();
-        const bool cmd  = modifiers.isCommandDown();
+        TreeViewItem* firstSelected = 0;
 
-        item->setSelected (shft || (! cmd) || (cmd && ! item->isSelected()),
-                           ! (shft || cmd));
+        if (modifiers.isShiftDown() && ((firstSelected = owner->getSelectedItem (0)) != 0))
+        {
+            TreeViewItem* const lastSelected = owner->getSelectedItem (owner->getNumSelectedItems() - 1);
+            jassert (lastSelected != 0);
+
+            int rowStart = firstSelected->getRowNumberInTree();
+            int rowEnd = lastSelected->getRowNumberInTree();
+            if (rowStart > rowEnd)
+                swapVariables (rowStart, rowEnd);
+
+            int ourRow = item->getRowNumberInTree();
+            int otherEnd = ourRow < rowEnd ? (ourRow < rowStart ? (rowStart - 1) 
+                                                                : rowStart)
+                                           : (rowEnd + 1);
+
+            if (ourRow > otherEnd)
+                swapVariables (ourRow, otherEnd);
+
+            for (int i = ourRow; i <= otherEnd; ++i)
+                owner->getItemOnRow (i)->setSelected (true, false);
+        }
+        else
+        {
+            const bool cmd  = modifiers.isCommandDown();
+
+            item->setSelected ((! cmd) || (! item->isSelected()), ! cmd);
+        }
     }
 };
 

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

@@ -253,7 +253,12 @@ FileTreeComponent::~FileTreeComponent()
 //==============================================================================
 const File FileTreeComponent::getSelectedFile() const
 {
-    const FileListTreeItem* const item = dynamic_cast <const FileListTreeItem*> (getSelectedItem (0));
+    return getSelectedFile (0);
+}
+
+const File FileTreeComponent::getSelectedFile (const int index) const throw()
+{
+    const FileListTreeItem* const item = dynamic_cast <const FileListTreeItem*> (getSelectedItem (index));
 
     if (item != 0)
         return item->file;

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

@@ -61,7 +61,17 @@ public:
     ~FileTreeComponent();
 
     //==============================================================================
-    /** Returns the file that the user has currently selected.
+    /** Returns the number of selected files in the tree.
+    */
+    int getNumSelectedFiles() const throw()         { return TreeView::getNumSelectedItems(); }
+
+    /** Returns one of the files that the user has currently selected.
+
+        Returns File::nonexistent if none is selected.
+    */
+    const File getSelectedFile (int index) const throw();
+
+    /** Returns the first of the files that the user has currently selected.
 
         Returns File::nonexistent if none is selected.
     */