com.trivago.mail.pigeon.web.components.recipients.ActionButtonColumnGenerator.java Source code

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Here is the source code for com.trivago.mail.pigeon.web.components.recipients.ActionButtonColumnGenerator.java

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/**
 * Copyright (C) 2011-2012 trivago GmbH <mario.mueller@trivago.com>, <christian.krause@trivago.com>
 *
 * 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 com.trivago.mail.pigeon.web.components.recipients;

import com.trivago.mail.pigeon.bean.Recipient;
import com.trivago.mail.pigeon.storage.ConnectionFactory;
import com.vaadin.terminal.ThemeResource;
import com.vaadin.ui.Button;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Table;
import com.vaadin.ui.Window;
import org.apache.log4j.Logger;
import org.neo4j.graphdb.Relationship;
import org.neo4j.graphdb.Transaction;

public class ActionButtonColumnGenerator implements Table.ColumnGenerator {
    private final Logger log = Logger.getLogger(ActionButtonColumnGenerator.class);

    @Override
    public Object generateCell(final Table source, final Object itemId, final Object columnId) {
        HorizontalLayout hl = new HorizontalLayout();
        Button deleteButton = new Button();
        deleteButton.setImmediate(true);
        deleteButton.setIcon(new ThemeResource("../runo/icons/16/trash.png"));
        deleteButton.setDescription("Delete recipient");

        deleteButton.addListener(new Button.ClickListener() {
            @Override
            public void buttonClick(Button.ClickEvent event) {
                Transaction tx = ConnectionFactory.getDatabase().beginTx();
                try {
                    Recipient s = new Recipient((Long) itemId);
                    ConnectionFactory.getUserIndex().remove(s.getDataNode());
                    for (Relationship r : s.getDataNode().getRelationships()) {
                        r.delete();
                    }
                    s.getDataNode().delete();
                    source.removeItem(itemId);
                    source.getWindow().showNotification("Successfully deleted.");
                    tx.success();
                } catch (Exception e) {
                    log.error("Error while deleting entry", e);
                    source.getWindow().showNotification("Error while deleting entry: " + e.getMessage(),
                            Window.Notification.TYPE_ERROR_MESSAGE);
                    tx.failure();
                } finally {
                    tx.finish();
                }
            }
        });

        hl.addComponent(deleteButton);
        return hl;
    }
}