/*
* 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.minitutorials.v7a1;
import com.vaadin.server.Page.UriFragmentChangedEvent;
import com.vaadin.server.Page.UriFragmentChangedListener;
import com.vaadin.server.VaadinRequest;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Label;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
/**
* Mini tutorial code for
* https://vaadin.com/wiki/-/wiki/Main/Using%20URI%20fragments
*
* @author Vaadin Ltd
* @since 7.0.0
*/
public class UsingUriFragments extends UI {
private VerticalLayout layout;
@Override
protected void init(VaadinRequest request) {
layout = new VerticalLayout();
layout.setMargin(true);
setContent(layout);
Label label = new Label("Hello, your fragment is "
+ getPage().getUriFragment());
layout.addComponent(label);
// React to fragment changes
getPage().addListener(new UriFragmentChangedListener() {
@Override
public void uriFragmentChanged(UriFragmentChangedEvent source) {
handleFragment(source.getUriFragment());
}
});
// Handle the fragment received in the initial request
handleFragment(getPage().getUriFragment());
layout.addComponent(new Button("Show and set fragment",
new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
handleFragment(getPage().getUriFragment());
getPage().setUriFragment("customFragment");
}
}));
}
private void handleFragment(String uriFragment) {
layout.addComponent(new Label("Got new fragment: " + uriFragment));
}
}