ch.tkuhn.nanobrowser.VList.java Source code

Introduction

Here is the source code for ch.tkuhn.nanobrowser.VList.java

Source

// This file is part of Nanobrowser.
// Copyright 2012, Tobias Kuhn, http://www.tkuhn.ch
//
// Nanobrowser is free software: you can redistribute it and/or modify it under the terms of the
// GNU Lesser General Public License as published by the Free Software Foundation, either version
// 3 of the License, or (at your option) any later version.
//
// Nanobrowser 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License along with Nanobrowser.
// If not, see http://www.gnu.org/licenses/.

package ch.tkuhn.nanobrowser;

import java.util.List;

import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;

public class VList extends Panel {

    private static final long serialVersionUID = -5284668164342258059L;

    private String thisUri;

    public VList(String id, List<? extends Object> items, String title) {
        this(id, items, title, null, null);
    }

    public VList(String id, List<? extends Object> items, String title, String thisUri) {
        this(id, items, title, thisUri, null);
    }

    public VList(String id, List<? extends Object> items, String title, String thisUri, String note) {
        super(id);

        this.thisUri = thisUri;

        add(new Label("title", title));

        add(new ListView<Object>("items", items) {

            private static final long serialVersionUID = 41253459622515487L;

            protected void populateItem(ListItem<Object> item) {
                VList.this.populateItem(item);
            }

        });

        if (note != null) {
            add(new Label("note", note));
        } else if (items.isEmpty()) {
            add(new Label("note", "(nothing)"));
        } else {
            add(new Label("note", ""));
        }
    }

    public VList(String id, IModel<? extends List<? extends Object>> items, String title) {
        this(id, items, title, null, null);
    }

    public VList(String id, IModel<? extends List<? extends Object>> items, String title, String thisUri) {
        this(id, items, title, thisUri, null);
    }

    public VList(String id, IModel<? extends List<? extends Object>> items, String title, String thisUri,
            String note) {
        super(id);

        this.thisUri = thisUri;

        add(new Label("title", title));

        add(new ListView<Object>("items", items) {

            private static final long serialVersionUID = 41253459622515487L;

            protected void populateItem(ListItem<Object> item) {
                VList.this.populateItem(item);
            }

        });

        if (note != null) {
            add(new Label("note", note));
        } else if (items.getObject().isEmpty()) {
            add(new Label("note", "(nothing)"));
        } else {
            add(new Label("note", ""));
        }
    }

    private void populateItem(ListItem<Object> item) {
        Object obj = item.getModelObject();
        if (obj instanceof ThingElement) {
            item.add(((ThingElement) obj).createGUIItem("item", ThingElement.LONG_GUI_ITEM));
        } else if (obj instanceof Triple<?, ?>) {
            Triple<?, ?> t = (Triple<?, ?>) obj;
            int s = TriplePanel.SHOW_ALL;
            if (t.getSubject().toString().equals(thisUri))
                s = TriplePanel.PREDICATE_OBJECT;
            item.add(new TriplePanel("item", t, s));
        } else {
            item.add(new Label("item", obj.toString()));
        }
    }

}