/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.panels.time.client.swing;

import javax.swing.event.*;

import com.oracle.solaris.vp.panels.time.*;

import com.oracle.solaris.vp.util.misc.property.*;

/**

 * The {@code ServersPropertySynchronizer} class synchronizes a {@link

 * MutableProperty} with an {@code ServersModel} so that changes in

 * one will automatically be reflected in the other.

 */

public class ServersPropertySynchronizer

    extends PropertySynchronizer<ServerInfo[], ServersModel> {

    //

    // Instance data

    //

    private TableModelListener listener =

	new TableModelListener() {

	    @Override

	    public void tableChanged(TableModelEvent e) {

		objectChanged();

	    }

	};

    //

    // Constructors

    //

    public ServersPropertySynchronizer(MutableProperty<ServerInfo[]> property,

	ServersModel model, boolean initFromProp) {

	super(property, model, initFromProp);

	model.addTableModelListener(listener);

    }

    /**

     * Constructs a {@code ServersPropertySynchronizer} with initial

     * synchronization from the property to the {@code ServersModel}.

     */

    public ServersPropertySynchronizer(MutableProperty<ServerInfo[]> property,

	ServersModel model) {

	this(property, model, true);

    }

    //

    // PropertySynchronizer methods

    //

    @Override

    public void desynchronize() {

	super.desynchronize();

	getObject().removeTableModelListener(listener);

    }

    @Override

    public ServerInfo[] getValue() {

	ServersModel model = getObject();

	int n = model.getRowCount();

	ServerInfo[] value = new ServerInfo[n];

	for (int row = 0; row < n; row++) {

	    String server = (String)model.getValueAt(row, 0);

	    Boolean enabled = (Boolean)model.getValueAt(row, 1);

	    value[row] = new ServerInfoImpl(server, enabled);

	}

	return value;

    }

    @Override

    public void setValue(ServerInfo[] value) {

	ServersModel model = getObject();

	int n = value == null ? 0 : value.length;

	for (int row = 0; row < n; row++) {

	    ServerInfo entry = value[row];

	    String server = entry.getServer();

	    Boolean enabled = entry.isEnabled();

	    boolean equal = true;

	    try {

		if (!enabled.equals(model.getValueAt(

		    row, ServersModel.POSITION_ENABLED)) ||

		    !server.equals(model.getValueAt(

		    row, ServersModel.POSITION_SERVER))) {

		    equal = false;

		    model.removeRow(row);

		}

	    // No such row

	    } catch (IndexOutOfBoundsException e) {

		equal = false;

	    }

	    if (!equal) {

		model.insertRow(row, new Object[] {server, enabled});

	    }

	}

	// Trime rows from model, if necessary

	model.setRowCount(n);

    }

}