--- /dev/null
+package jalview.ext.treeviewer;
+
+/**
+ * Interface for visually manipulating the tree with methods that might be user
+ * triggered.
+ *
+ * @author kjvanderheide
+ *
+ */
+public interface TreeControlsI
+{
+ /**
+ * Resets the current view so that it shows the tree in its entirety (in case
+ * it was previously zoomed in etc.)
+ */
+ public void displayEntireTree();
+
+}