Add a method to clear selected text on context click (#19367)

Change-Id: Id7ec7013bcff446cdf3ce0f2088cb20b0708a56b

client/src/com/vaadin/client/WidgetUtil.java

         }
     }-*/;
 
+    /**
+     * JavaScript hack to clear text selection in various browsers.
+     * 
+     * @since 7.6
+     */
+    public native static void clearTextSelection()
+    /*-{
+        if ($wnd.getSelection) {
+            $wnd.getSelection().removeAllRanges();
+        }
+    }-*/;
+
     /**
      * The allowed value inaccuracy when comparing two double-typed pixel
      * values.

client/src/com/vaadin/client/connectors/GridConnector.java

 import com.vaadin.client.MouseEventDetailsBuilder;
 import com.vaadin.client.ServerConnector;
 import com.vaadin.client.TooltipInfo;
+import com.vaadin.client.WidgetUtil;
 import com.vaadin.client.communication.StateChangeEvent;
 import com.vaadin.client.communication.StateChangeEvent.StateChangeHandler;
 import com.vaadin.client.connectors.RpcDataSourceConnector.DetailsListener;
 
         getRpcProxy(GridServerRpc.class).contextClick(eventCell.getRowIndex(),
                 rowKey, columnId, section, details);
+
+        WidgetUtil.clearTextSelection();
     }
 
     /**

client/src/com/vaadin/client/ui/AbstractComponentConnector.java

 import com.vaadin.client.UIDL;
 import com.vaadin.client.Util;
 import com.vaadin.client.VConsole;
+import com.vaadin.client.WidgetUtil;
 import com.vaadin.client.annotations.OnStateChange;
 import com.vaadin.client.communication.StateChangeEvent;
 import com.vaadin.client.metadata.NoDataException;
 
             // remove the touch handlers as well
             unregisterTouchHandlers();
-
         }
     }
 
         // The default context click implementation only provides the mouse
         // coordinates relative to root element of widget.
         getRpcProxy(ContextClickRpc.class).contextClick(details);
+
+        WidgetUtil.clearTextSelection();
     }
 
     /**

client/src/com/vaadin/client/ui/table/TableConnector.java

 import com.google.gwt.user.client.ui.Widget;
 import com.vaadin.client.ApplicationConnection;
 import com.vaadin.client.BrowserInfo;
-import com.vaadin.client.HasChildMeasurementHintConnector;
 import com.vaadin.client.ComponentConnector;
 import com.vaadin.client.ConnectorHierarchyChangeEvent;
 import com.vaadin.client.ConnectorHierarchyChangeEvent.ConnectorHierarchyChangeHandler;
 import com.vaadin.client.DirectionalManagedLayout;
+import com.vaadin.client.HasChildMeasurementHintConnector;
 import com.vaadin.client.HasComponentsConnector;
 import com.vaadin.client.Paintable;
 import com.vaadin.client.ServerConnector;
 @Connect(com.vaadin.ui.Table.class)
 public class TableConnector extends AbstractFieldConnector implements
         HasComponentsConnector, ConnectorHierarchyChangeHandler, Paintable,
-        DirectionalManagedLayout, PostLayoutListener, HasChildMeasurementHintConnector {
+        DirectionalManagedLayout, PostLayoutListener,
+        HasChildMeasurementHintConnector {
 
     private List<ComponentConnector> childComponents;
 
 
         getRpcProxy(TableServerRpc.class).contextClick(rowKey, colKey, section,
                 details);
+
+        WidgetUtil.clearTextSelection();
     }
 
     protected VScrollTableRow getScrollTableRow(Element e) {

client/src/com/vaadin/client/ui/tree/TreeConnector.java

         }
 
         getRpcProxy(TreeServerRpc.class).contextClick(key, details);
+
+        WidgetUtil.clearTextSelection();
     }
 }

uitest/src/com/vaadin/tests/contextclick/BrowserContextMenuInSubComponent.java

+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.contextclick;
+
+import com.vaadin.annotations.Widgetset;
+import com.vaadin.event.ContextClickEvent;
+import com.vaadin.event.ContextClickEvent.ContextClickListener;
+import com.vaadin.server.AbstractExtension;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.tests.widgetset.TestingWidgetSet;
+import com.vaadin.ui.AbstractComponent;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.Notification;
+import com.vaadin.ui.Panel;
+import com.vaadin.ui.TextArea;
+import com.vaadin.ui.VerticalLayout;
+
+@Widgetset(TestingWidgetSet.NAME)
+public class BrowserContextMenuInSubComponent extends AbstractTestUI {
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        Panel panel = new Panel();
+
+        VerticalLayout layout = new VerticalLayout();
+        final TextArea textArea = new TextArea();
+        // Make TextArea show regular context menu instead of firing the
+        // server-side event.
+        BrowserContextMenuExtension.extend(textArea);
+        final Button button = new Button("Submit", new Button.ClickListener() {
+
+            @Override
+            public void buttonClick(ClickEvent event) {
+                Notification.show(textArea.getValue());
+            }
+        });
+
+        layout.addComponent(textArea);
+        layout.addComponent(button);
+
+        panel.setContent(layout);
+
+        panel.addContextClickListener(new ContextClickListener() {
+
+            @Override
+            public void contextClick(ContextClickEvent event) {
+                button.click();
+            }
+        });
+
+        addComponent(panel);
+    }
+
+    /**
+     * A simple extension for making extended component stop propagation of the
+     * context click events, so the browser will handle the context click and
+     * show its own context menu.
+     */
+    public static class BrowserContextMenuExtension extends AbstractExtension {
+        private BrowserContextMenuExtension(AbstractComponent c) {
+            super(c);
+        }
+
+        public static BrowserContextMenuExtension extend(AbstractComponent c) {
+            return new BrowserContextMenuExtension(c);
+        }
+    }
+
+}

uitest/src/com/vaadin/tests/widgetset/client/extension/BrowserContextMenuExtensionConnector.java

+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.widgetset.client.extension;
+
+import com.google.gwt.event.dom.client.ContextMenuEvent;
+import com.google.gwt.event.dom.client.ContextMenuHandler;
+import com.vaadin.client.ServerConnector;
+import com.vaadin.client.extensions.AbstractExtensionConnector;
+import com.vaadin.client.ui.AbstractComponentConnector;
+import com.vaadin.shared.ui.Connect;
+import com.vaadin.tests.contextclick.BrowserContextMenuInSubComponent.BrowserContextMenuExtension;
+
+/**
+ * Client-side connector of the {@link BrowserContextMenuExtension}.
+ */
+@Connect(BrowserContextMenuExtension.class)
+public class BrowserContextMenuExtensionConnector extends
+        AbstractExtensionConnector {
+
+    @Override
+    protected void extend(ServerConnector target) {
+        getParent().getWidget().addDomHandler(new ContextMenuHandler() {
+
+            @Override
+            public void onContextMenu(ContextMenuEvent event) {
+                // Stop context click events from propagating.
+                event.stopPropagation();
+            }
+        }, ContextMenuEvent.getType());
+    }
+
+    @Override
+    public AbstractComponentConnector getParent() {
+        return (AbstractComponentConnector) super.getParent();
+    }
+}