annis.gui.tutorial.TutorialPanel.java Source code

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Here is the source code for annis.gui.tutorial.TutorialPanel.java

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/*
 * Copyright 2011 Corpuslinguistic working group Humboldt University Berlin.
 *
 * 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 annis.gui.tutorial;

import annis.gui.components.NavigateableSinglePage;
import com.vaadin.server.VaadinService;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import java.io.File;
import java.net.URI;
import java.net.URISyntaxException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author thomas
 */
public class TutorialPanel extends VerticalLayout {

    private static final Logger log = LoggerFactory.getLogger(TutorialPanel.class);

    private NavigateableSinglePage embedded;

    public TutorialPanel() {
        setSizeFull();

        String localBasePath = VaadinService.getCurrent().getBaseDirectory().getAbsolutePath();
        URI appURI = UI.getCurrent().getPage().getLocation();
        URI tutorialURI;

        String relativeFile = "/VAADIN/tutorial/index.html";

        try {
            String oldPath = VaadinService.getCurrentRequest().getContextPath();
            if (oldPath == null) {
                oldPath = "";
            }
            if (oldPath.endsWith("/")) {
                oldPath = oldPath.substring(0, oldPath.length() - 1);
            }
            tutorialURI = new URI(appURI.getScheme(), appURI.getUserInfo(), appURI.getHost(), appURI.getPort(),
                    oldPath + relativeFile, null, null);
            embedded = new NavigateableSinglePage(new File(localBasePath + relativeFile), tutorialURI);
            embedded.setSizeFull();
            addComponent(embedded);

        } catch (URISyntaxException ex) {
            log.error("Invalid tutorial URI", ex);
        }

    }
}