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/*
* 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.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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