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- /*
- * Copyright 2000-2016 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.client.ui;
-
- import com.google.gwt.event.dom.client.BlurEvent;
- import com.google.gwt.event.dom.client.BlurHandler;
- import com.google.gwt.event.dom.client.FocusEvent;
- import com.google.gwt.event.dom.client.FocusHandler;
- import com.google.gwt.event.dom.client.HasBlurHandlers;
- import com.google.gwt.event.dom.client.HasFocusHandlers;
- import com.google.gwt.event.dom.client.HasKeyDownHandlers;
- import com.google.gwt.event.dom.client.HasKeyPressHandlers;
- import com.google.gwt.event.dom.client.KeyDownEvent;
- import com.google.gwt.event.dom.client.KeyDownHandler;
- import com.google.gwt.event.dom.client.KeyPressEvent;
- import com.google.gwt.event.dom.client.KeyPressHandler;
- import com.google.gwt.event.shared.HandlerRegistration;
- import com.google.gwt.user.client.ui.FlowPanel;
- import com.google.gwt.user.client.ui.impl.FocusImpl;
- import com.vaadin.client.Focusable;
-
- public class FocusableFlowPanel extends FlowPanel implements HasFocusHandlers,
- HasBlurHandlers, HasKeyDownHandlers, HasKeyPressHandlers, Focusable {
-
- /**
- * Constructor.
- */
- public FocusableFlowPanel() {
- // make focusable, as we don't need access key magic we don't need to
- // use FocusImpl.createFocusable
- getElement().setTabIndex(0);
- }
-
- /*
- * (non-Javadoc)
- *
- * @see
- * com.google.gwt.event.dom.client.HasFocusHandlers#addFocusHandler(com.
- * google.gwt.event.dom.client.FocusHandler)
- */
- @Override
- public HandlerRegistration addFocusHandler(FocusHandler handler) {
- return addDomHandler(handler, FocusEvent.getType());
- }
-
- /*
- * (non-Javadoc)
- *
- * @see
- * com.google.gwt.event.dom.client.HasBlurHandlers#addBlurHandler(com.google
- * .gwt.event.dom.client.BlurHandler)
- */
- @Override
- public HandlerRegistration addBlurHandler(BlurHandler handler) {
- return addDomHandler(handler, BlurEvent.getType());
- }
-
- /*
- * (non-Javadoc)
- *
- * @see
- * com.google.gwt.event.dom.client.HasKeyDownHandlers#addKeyDownHandler(
- * com.google.gwt.event.dom.client.KeyDownHandler)
- */
- @Override
- public HandlerRegistration addKeyDownHandler(KeyDownHandler handler) {
- return addDomHandler(handler, KeyDownEvent.getType());
- }
-
- /*
- * (non-Javadoc)
- *
- * @see
- * com.google.gwt.event.dom.client.HasKeyPressHandlers#addKeyPressHandler
- * (com.google.gwt.event.dom.client.KeyPressHandler)
- */
- @Override
- public HandlerRegistration addKeyPressHandler(KeyPressHandler handler) {
- return addDomHandler(handler, KeyPressEvent.getType());
- }
-
- /**
- * Sets/Removes the keyboard focus to the panel.
- *
- * @param focus
- * If set to true then the focus is moved to the panel, if set to
- * false the focus is removed
- */
- public void setFocus(boolean focus) {
- if (focus) {
- FocusImpl.getFocusImplForPanel().focus(getElement());
- } else {
- FocusImpl.getFocusImplForPanel().blur(getElement());
- }
- }
-
- /**
- * Focus the panel.
- */
- @Override
- public void focus() {
- setFocus(true);
- }
- }
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