annis.gui.admin.CorpusAdminPanel.java Source code

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Here is the source code for annis.gui.admin.CorpusAdminPanel.java

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/*
 * Copyright 2014 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.admin;

import annis.gui.admin.view.CorpusListView;
import annis.service.objects.AnnisCorpus;
import com.vaadin.data.util.BeanContainer;
import com.vaadin.shared.ui.MarginInfo;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Grid;
import com.vaadin.ui.Panel;
import com.vaadin.ui.VerticalLayout;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;

/**
 *
 * @author Thomas Krause <krauseto@hu-berlin.de>
 */
public class CorpusAdminPanel extends Panel implements CorpusListView {

    private final List<CorpusListView.Listener> listeners = new LinkedList<>();

    private final BeanContainer<String, AnnisCorpus> corpusContainer = new BeanContainer<>(AnnisCorpus.class);

    public CorpusAdminPanel() {
        corpusContainer.setBeanIdProperty("name");

        final Grid corporaGrid = new Grid(corpusContainer);
        corporaGrid.setSizeFull();
        corporaGrid.setSelectionMode(Grid.SelectionMode.MULTI);
        corporaGrid.setColumns("name", "textCount", "tokenCount", "sourcePath");

        corporaGrid.getColumn("textCount").setHeaderCaption("Texts");
        corporaGrid.getColumn("tokenCount").setHeaderCaption("Tokens");
        corporaGrid.getColumn("sourcePath").setHeaderCaption("Source Path");

        Button btDelete = new Button("Delete selected");
        btDelete.addClickListener(new Button.ClickListener() {

            @Override
            public void buttonClick(Button.ClickEvent event) {
                Set<String> selection = new TreeSet<>();
                for (Object o : corporaGrid.getSelectedRows()) {
                    selection.add((String) o);
                }
                corporaGrid.getSelectionModel().reset();
                if (!selection.isEmpty()) {

                    for (CorpusListView.Listener l : listeners) {
                        l.deleteCorpora(selection);
                    }
                }
            }
        });

        VerticalLayout layout = new VerticalLayout(btDelete, corporaGrid);
        layout.setSizeFull();
        layout.setExpandRatio(corporaGrid, 1.0f);
        layout.setSpacing(true);
        layout.setMargin(new MarginInfo(true, false, false, false));

        layout.setComponentAlignment(btDelete, Alignment.MIDDLE_CENTER);

        setContent(layout);
        setSizeFull();
    }

    @Override
    public void addListener(CorpusListView.Listener listener) {
        listeners.add(listener);
    }

    @Override
    public void setAvailableCorpora(Collection<AnnisCorpus> corpora) {
        corpusContainer.removeAllItems();
        corpusContainer.addAll(corpora);
    }

}