kalumet-modules/console/src/main/java/org/apache/kalumet/console/app/EnvironmentsPane.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.kalumet.console.app;

import nextapp.echo2.app.Button;
import nextapp.echo2.app.Column;
import nextapp.echo2.app.ContentPane;
import nextapp.echo2.app.event.ActionEvent;
import nextapp.echo2.app.event.ActionListener;
import nextapp.echo2.extras.app.AccordionPane;
import nextapp.echo2.extras.app.layout.AccordionPaneLayoutData;
import org.apache.kalumet.console.configuration.ConfigurationManager;
import org.apache.kalumet.model.Environment;
import org.apache.kalumet.model.Kalumet;

import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

/**
 * Display the list of environments organized by groups.
 */
public class EnvironmentsPane
    extends ContentPane
{

    private AccordionPane mainPane;

    // edit
    private ActionListener edit = new ActionListener()
    {
        public void actionPerformed( ActionEvent event )
        {
            String environmentName = event.getActionCommand();
            if ( KalumetConsoleApplication.getApplication().getDefaultWindow().getContent().getComponent(
                "environmentwindow_" + environmentName ) == null )
            {
                KalumetConsoleApplication.getApplication().getDefaultWindow().getContent().add(
                    new EnvironmentWindow( environmentName ) );
            }
        }
    };

    /**
     * Create a new environments <code>AccordionPane</code>.
     */
    public EnvironmentsPane()
    {
        super();
        mainPane = new AccordionPane();
        mainPane.setStyleName( "environments" );
        add( mainPane );
        update();
    }

    /**
     * Update the pane.
     */
    public void update()
    {
        // load Kalumet configuration
        Kalumet kalumet = null;
        try
        {
            kalumet = ConfigurationManager.loadStore();
        }
        catch ( Exception e )
        {
            KalumetConsoleApplication.getApplication().getLogPane().addError(
                Messages.getString( "db.read" ) + ": " + e.getMessage() );
            return;
        }

        // get user environments by groups
        Map userEnvironments =
            kalumet.getUserEnvironmentsByGroups( KalumetConsoleApplication.getApplication().getUserid() );

        // remove all
        mainPane.removeAll();

        // render environment groups
        List groups = new LinkedList( userEnvironments.keySet() );
        Collections.sort( groups );
        for ( Iterator groupIterator = groups.iterator(); groupIterator.hasNext(); )
        {
            String group = (String) groupIterator.next();
            Column groupColumn = new Column();
            groupColumn.setStyleName( "environments" );
            AccordionPaneLayoutData layoutData = new AccordionPaneLayoutData();
            // define the layoutData as the column layout
            groupColumn.setLayoutData( layoutData );
            // display the group
            layoutData.setTitle( group );
            // add the column to the pane
            mainPane.add( groupColumn );
            List environments = (List) userEnvironments.get( group );
            Collections.sort( environments );
            for ( Iterator environmentIterator = environments.iterator(); environmentIterator.hasNext(); )
            {
                Environment environment = (Environment) environmentIterator.next();
                Button environmentButton = new Button( environment.getName() );
                environmentButton.setStyleName( "default" );
                environmentButton.setActionCommand( environment.getName() );
                environmentButton.addActionListener( edit );
                groupColumn.add( environmentButton );
            }
        }
    }

}