// Copyright 2005, 2006 - Morten Nielsen (www.iter.dk)
//
// This file is part of SharpMap.
// SharpMap is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// SharpMap is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public License
// along with SharpMap; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 

using System;
using Core.GIS.SharpMap.Api;

namespace Core.GIS.SharpMap.Styles
{
    /// <summary>
    /// Defines a style used for for defining layer styles
    /// </summary>
    [Serializable]
    public abstract class Style : IStyle
    {
        private double _minVisible;
        private double _maxVisible;
        private bool _Enabled;
        private long id;

        /// <summary>
        /// Initializes a style as sets Min=0, Max=double.MaxValue and Visible=true
        /// </summary>
        public Style()
        {
            _minVisible = 0;
            _maxVisible = double.MaxValue;
            _Enabled = true;
        }

        public Style(IStyle another)
        {
            _minVisible = another.MinVisible;
            _maxVisible = another.MaxVisible;
            _Enabled = another.Enabled;
        }

        public long Id
        {
            get
            {
                return id;
            }
            set
            {
                id = value;
            }
        }

        /// <summary>
        /// Gets or sets the minimum zoom value where the style is applied
        /// </summary>
        public virtual double MinVisible
        {
            get
            {
                return _minVisible;
            }
            set
            {
                _minVisible = value;
            }
        }

        /// <summary>
        /// Gets or sets the maximum zoom value where the style is applied
        /// </summary>
        public virtual double MaxVisible
        {
            get
            {
                return _maxVisible;
            }
            set
            {
                _maxVisible = value;
            }
        }

        /// <summary>
        /// Specified whether style is rendered or not
        /// </summary>
        public virtual bool Enabled
        {
            get
            {
                return _Enabled;
            }
            set
            {
                _Enabled = value;
            }
        }

        /// <summary>
        /// Clones the Style
        /// </summary>
        /// <returns>cloned object</returns>
        public abstract object Clone();
    }
}