annis.gui.HistoryPanel.java Source code

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Here is the source code for annis.gui.HistoryPanel.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;

import annis.gui.objects.Query;
import annis.libgui.Helper;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.data.util.BeanItemContainer;
import com.vaadin.event.ItemClickEvent;
import com.vaadin.event.ItemClickEvent.ItemClickListener;
import com.vaadin.ui.Label;
import com.vaadin.ui.Panel;
import com.vaadin.ui.Table;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

/**
 *
 * @author thomas
 */
public class HistoryPanel extends Panel implements ValueChangeListener, ItemClickListener {

    private final Table tblHistory;
    private QueryController controller;
    private final CitationLinkGenerator citationGenerator;

    public HistoryPanel(final BeanItemContainer<Query> containerHistory, QueryController controller) {
        this.controller = controller;

        VerticalLayout layout = new VerticalLayout();
        setContent(layout);

        setSizeFull();
        layout.setSizeFull();

        tblHistory = new Table();

        layout.addComponent(tblHistory);
        tblHistory.setSizeFull();
        tblHistory.setSelectable(true);
        tblHistory.setMultiSelect(false);
        tblHistory.setContainerDataSource(containerHistory);

        tblHistory.addGeneratedColumn("gennumber", new Table.ColumnGenerator() {

            @Override
            public Object generateCell(Table source, Object itemId, Object columnId) {
                int idx = containerHistory.indexOfId(itemId);
                return new Label("" + (idx + 1));
            }
        });
        citationGenerator = new CitationLinkGenerator();
        tblHistory.addGeneratedColumn("genlink", citationGenerator);

        tblHistory.addStyleName(Helper.CORPUS_FONT);
        tblHistory.setVisibleColumns("gennumber", "query", "genlink");
        tblHistory.setColumnHeader("gennumber", "#");
        tblHistory.setColumnHeader("query", "Query");
        tblHistory.setColumnHeader("genlink", "URL");
        tblHistory.setColumnExpandRatio("query", 1.0f);
        tblHistory.setImmediate(true);
        tblHistory.addValueChangeListener((ValueChangeListener) this);
        tblHistory.addItemClickListener((ItemClickListener) this);

    }

    @Override
    public void valueChange(ValueChangeEvent event) {
        Query q = (Query) event.getProperty().getValue();

        if (q != null && controller != null) {
            controller.setQuery(q);
        }
    }

    @Override
    public void itemClick(ItemClickEvent event) {
        if (controller != null && event.isDoubleClick()) {
            controller.executeSearch(true, true);
            if (getParent() instanceof Window) {
                UI.getCurrent().removeWindow((Window) getParent());
            }
        }
    }

}