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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.tests.widgetset.client;
import java.util.HashMap;
import java.util.Map;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;
import com.vaadin.client.annotations.OnStateChange;
import com.vaadin.client.metadata.Invoker;
import com.vaadin.client.ui.AbstractComponentConnector;
import com.vaadin.client.ui.SubPartAware;
import com.vaadin.shared.AbstractComponentState;
import com.vaadin.shared.ui.Connect;
import com.vaadin.tests.widgetset.server.TestWidgetComponent;
@Connect(TestWidgetComponent.class)
public class TestWidgetConnector extends AbstractComponentConnector {
public static class SubPartAwareSimplePanel extends SimplePanel implements
SubPartAware {
@Override
public Element getSubPartElement(String subPart) {
Widget target = getWidget();
if (target instanceof SubPartAware) {
return ((SubPartAware) target).getSubPartElement(subPart);
} else {
return null;
}
}
@Override
public String getSubPartName(Element subElement) {
Widget target = getWidget();
if (target instanceof SubPartAware) {
return ((SubPartAware) target).getSubPartName(subElement);
} else {
return null;
}
}
}
public static class TestWidgetState extends AbstractComponentState {
public String widgetClass;
}
private final TestWidgetRegistry registry = GWT
.create(TestWidgetRegistry.class);
public static abstract class TestWidgetRegistry {
private Map<String, Invoker> creators = new HashMap<String, Invoker>();
// Called by generated sub class
protected void register(String widgetClass, Invoker creator) {
creators.put(widgetClass, creator);
}
public Widget createWidget(String widgetClass) {
Invoker invoker = creators.get(widgetClass);
if (invoker == null) {
return new Label("Widget not found: " + widgetClass);
} else {
return (Widget) invoker.invoke(null);
}
}
}
@OnStateChange("widgetClass")
private void updateWidgetClass() {
getWidget().setWidget(registry.createWidget(getState().widgetClass));
}
@Override
public TestWidgetState getState() {
return (TestWidgetState) super.getState();
}
@Override
public SubPartAwareSimplePanel getWidget() {
return (SubPartAwareSimplePanel) super.getWidget();
}
}
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