RT-23699: [TextField] Mouse selection goes away when another JavaFX window is clicked

diff -r 8b0841afcc45 modules/controls/src/main/java/com/sun/javafx/scene/control/behavior/TextFieldBehavior.java
--- a/modules/controls/src/main/java/com/sun/javafx/scene/control/behavior/TextFieldBehavior.java	Fri Oct 18 12:30:00 2013 -0700
+++ b/modules/controls/src/main/java/com/sun/javafx/scene/control/behavior/TextFieldBehavior.java	Wed Oct 23 13:31:56 2013 -0700
@@ -27,6 +27,7 @@
 
 import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;
+import javafx.beans.value.WeakChangeListener;
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
 import javafx.geometry.Bounds;
@@ -55,6 +56,8 @@
     private TextFieldSkin skin;
     private ContextMenu contextMenu;
     private TwoLevelFocusBehavior tlFocus;
+    private ChangeListener<Scene> sceneListener;
+    private ChangeListener<Node> focusOwnerListener;
 
     public TextFieldBehavior(final TextField textField) {
         super(textField, TEXT_INPUT_BINDINGS);
@@ -74,6 +77,35 @@
             }
         });
 
+        focusOwnerListener = new ChangeListener<Node>() {
+            @Override public void changed(ObservableValue<? extends Node> observable, Node oldValue, Node newValue) {
+                if (newValue == textField) {
+                    if (!focusGainedByMouseClick) {
+                        textField.selectRange(textField.getLength(), 0);
+                    }
+                } else {
+                    textField.selectRange(0, 0);
+                }
+            }
+        };
+
+        sceneListener = new ChangeListener<Scene>() {
+            private WeakChangeListener<Node> weakListener = new WeakChangeListener<Node>(focusOwnerListener);
+            @Override public void changed(ObservableValue<? extends Scene> observable, Scene oldValue, Scene newValue) {
+                if (oldValue != null) {
+                    oldValue.focusOwnerProperty().removeListener(weakListener);
+                }
+                if (newValue != null) {
+                    newValue.focusOwnerProperty().addListener(weakListener);
+                }
+            }
+        };
+        textField.sceneProperty().addListener(new WeakChangeListener<Scene>(sceneListener));
+
+        if (textField.getScene() != null) {
+            textField.getScene().focusOwnerProperty().addListener(focusOwnerListener);
+        }
+
         // Only add this if we're on an embedded platform that supports 5-button navigation
         if (com.sun.javafx.scene.control.skin.Utils.isTwoLevelFocus()) {
             tlFocus = new TwoLevelFocusBehavior(textField); // needs to be last.
@@ -116,7 +148,6 @@
                         trans.getMzx(), trans.getMzy(), trans.getMzz(), trans.getMzt());
             }
             if (!focusGainedByMouseClick) {
-                textField.selectRange(textField.getLength(), 0);
                 setCaretAnimating(true);
             }
         } else {
@@ -124,7 +155,6 @@
                 // releasing the focus => we need to hide the native component and also native keyboard
                 textField.getScene().getWindow().impl_getPeer().releaseInput();
             }
-            textField.selectRange(0, 0);
             focusGainedByMouseClick = false;
             setCaretAnimating(false);
         }