ch.sebastienzurfluh.swissmuseum.core.client.view.pagewidget.PageWidget.java Source code

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Here is the source code for ch.sebastienzurfluh.swissmuseum.core.client.view.pagewidget.PageWidget.java

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/*
 * Copyright 2012-2013 Sebastien Zurfluh
 * 
 * This file is part of "Parcours".
 * 
 * "Parcours" is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * "Parcours" is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with "Parcours".  If not, see <http://www.gnu.org/licenses/>.
 */

package ch.sebastienzurfluh.swissmuseum.core.client.view.pagewidget;

import java.util.LinkedList;

import ch.sebastienzurfluh.swissmuseum.core.client.control.eventbus.EventBus;
import ch.sebastienzurfluh.swissmuseum.core.client.model.Model;
import ch.sebastienzurfluh.swissmuseum.core.client.model.structure.PageData;
import ch.sebastienzurfluh.swissmuseum.core.client.patterns.Observable;
import ch.sebastienzurfluh.swissmuseum.core.client.patterns.Observer;

import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Label;

/**
 * Main page widget. It displays the content of a page.
 * 
 * Fires {@link PageChangeRequest} when it has been modified.
 * 
 * @author Sebastien Zurfluh
 *
 */
public class PageWidget extends FlowPanel implements Observer {
    private HTML title;
    private Label header;
    private FlowPanel content;
    private TextParser parser;
    private Model model;

    private static String primaryStyleName = "pageWidget";

    public PageWidget(EventBus pageChangeEventBus, Model model) {
        this.model = model;

        model.currentPageDataObservable.subscribeObserver(this);

        parser = new TextParser(pageChangeEventBus, model);

        title = new HTML("");
        title.setStyleName(primaryStyleName + "-title");
        header = new Label("");
        header.setStyleName(primaryStyleName + "-header");

        //      Image titleImage = new Image("resources/images/fioritures/line.jpg");
        //      titleImage.setStyleName(primaryStyleName + "-title-image");

        content = new FlowPanel();
        content.setStyleName(primaryStyleName + "-content");

        this.add(title);
        this.add(header);
        //      this.add(titleImage);
        this.add(content);

        this.setStyleName(primaryStyleName);
    }

    @Override
    public void notifyObserver(Observable source) {
        if (model.getCurrentPageData().equals(PageData.NONE)) {
            setVisible(false);
        } else {
            setVisible(true);
            this.title.setHTML("<span class='" + primaryStyleName + "-spanTitle'>"
                    + model.getCurrentPageData().getPageTitle() + "</span>");
            this.header.setText(" " + model.getCurrentPageData().getPageContentHeader());

            this.content.clear();
            LinkedList<PageToken> tokenisedContent = parser.parse(model.getCurrentPageData().getPageContentBody());
            for (PageToken pageToken : tokenisedContent) {
                if (pageToken.isResource()) {
                    this.content.add(pageToken.getResourceWidget());
                } else if (pageToken.isText()) {
                    this.content.add(new HTML(pageToken.getText()));
                }
            }
        }
    }
}