8272118: ListViewSkin et al: must not cancel edit on scrolling

Reviewed-by: aghaisas, kcr

modules/javafx.controls/src/main/java/javafx/scene/control/skin/ListViewSkin.java

@@ -217,13 +217,6 @@ public ListViewSkin(final ListView<T> control) {
         getChildren().add(flow);
 
         EventHandler<MouseEvent> ml = event -> {
-            // RT-15127: cancel editing on scroll. This is a bit extreme
-            // (we are cancelling editing on touching the scrollbars).
-            // This can be improved at a later date.
-            if (control.getEditingIndex() > -1) {
-                control.edit(-1);
-            }
-
             // This ensures that the list maintains the focus, even when the vbar
             // and hbar controls inside the flow are clicked. Without this, the
             // focus border will not be shown when the user interacts with the

modules/javafx.controls/src/main/java/javafx/scene/control/skin/TableViewSkin.java

@@ -98,13 +98,6 @@ public TableViewSkin(final TableView<T> control) {
         flow.setCellFactory(flow -> createCell());
 
         EventHandler<MouseEvent> ml = event -> {
-            // RT-15127: cancel editing on scroll. This is a bit extreme
-            // (we are cancelling editing on touching the scrollbars).
-            // This can be improved at a later date.
-            if (control.getEditingCell() != null) {
-                control.edit(-1, null);
-            }
-
             // This ensures that the table maintains the focus, even when the vbar
             // and hbar controls inside the flow are clicked. Without this, the
             // focus border will not be shown when the user interacts with the

modules/javafx.controls/src/main/java/javafx/scene/control/skin/TreeTableViewSkin.java

@@ -144,13 +144,6 @@ public TreeTableViewSkin(final TreeTableView<T> control) {
         setRoot(getSkinnable().getRoot());
 
         EventHandler<MouseEvent> ml = event -> {
-            // RT-15127: cancel editing on scroll. This is a bit extreme
-            // (we are cancelling editing on touching the scrollbars).
-            // This can be improved at a later date.
-            if (control.getEditingCell() != null) {
-                control.edit(-1, null);
-            }
-
             // This ensures that the table maintains the focus, even when the vbar
             // and hbar controls inside the flow are clicked. Without this, the
             // focus border will not be shown when the user interacts with the

modules/javafx.controls/src/main/java/javafx/scene/control/skin/TreeViewSkin.java

@@ -166,13 +166,6 @@ public TreeViewSkin(final TreeView control) {
         setRoot(getSkinnable().getRoot());
 
         EventHandler<MouseEvent> ml = event -> {
-            // RT-15127: cancel editing on scroll. This is a bit extreme
-            // (we are cancelling editing on touching the scrollbars).
-            // This can be improved at a later date.
-            if (control.getEditingItem() != null) {
-                control.edit(null);
-            }
-
             // This ensures that the tree maintains the focus, even when the vbar
             // and hbar controls inside the flow are clicked. Without this, the
             // focus border will not be shown when the user interacts with the

modules/javafx.controls/src/shims/java/javafx/scene/control/skin/VirtualFlowShim.java

@@ -24,11 +24,14 @@
  */
 package javafx.scene.control.skin;
 
+import java.util.List;
+
 import com.sun.javafx.scene.control.VirtualScrollBar;
 import javafx.collections.ObservableList;
 import javafx.scene.Node;
 import javafx.scene.control.IndexedCell;
 import javafx.scene.control.ScrollBar;
+import javafx.scene.control.Skin;
 import javafx.scene.layout.StackPane;
 
 public class VirtualFlowShim<T extends IndexedCell> extends VirtualFlow<T> {
@@ -110,6 +113,36 @@ public void addLeadingCells(int currentIndex, double startOffset) {
 
     //------------------- statics --------------------
 
+    /**
+     * Returns the VirtualFlow managed by the given skin.
+     */
+    public static <T extends IndexedCell<?>> VirtualFlow<T> getVirtualFlow(Skin<?> skin) {
+        return ((VirtualContainerBase<?, T>) skin).getVirtualFlow();
+    }
+
+    /**
+     * Returns the list of cells displayed in the viewport of the flow.
+     *
+     * @see VirtualFlow#getCells()
+     */
+    public static <T extends IndexedCell<?>> List<T> getCells(VirtualFlow<T> flow) {
+        return flow.getCells();
+    }
+
+    /**
+     * Returns the vertical scrollbar of the given flow.
+     */
+    public static ScrollBar getVBar(VirtualFlow<?> flow) {
+        return flow.getVbar();
+    }
+
+    /**
+     * Returns the horizontal scrollbar of the given flow.
+     */
+    public static ScrollBar getHBar(VirtualFlow<?> flow) {
+        return flow.getHbar();
+    }
+
     public static <T> T cells_getFirst(VirtualFlow.ArrayLinkedList<T> list) {
         return list.getFirst();
     }