﻿/*******************************************************************************
 * You may amend and distribute as you like, but don't remove this header!
 *
 * EPPlus provides server-side generation of Excel 2007/2010 spreadsheets.
 * See http://www.codeplex.com/EPPlus for details.
 *
 * Copyright (C) 2011  Jan Källman
 *
 * This library 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 2.1 of the License, or (at your option) any later version.

 * This library 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.
 *
 * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
 * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
 *
 * All code and executables are provided "as is" with no warranty either express or implied. 
 * The author accepts no liability for any damage or loss of business that this product may cause.
 *
 * Code change notes:
 * 
 * Author							Change						Date
 * ******************************************************************************
 * Jan Källman		                Initial Release		        2009-10-01
 * Jan Källman		License changed GPL-->LGPL 2011-12-16
 *******************************************************************************/
using System;
using System.Collections.Generic;
using System.Text;
using OfficeOpenXml.Style.XmlAccess;

namespace OfficeOpenXml.Style
{
    /// <summary>
    /// Toplevel class for cell styling
    /// </summary>
    public sealed class ExcelStyle : StyleBase
    {
        internal ExcelStyle(ExcelStyles styles, OfficeOpenXml.XmlHelper.ChangedEventHandler ChangedEvent, int positionID, string Address, int xfsId) :
            base(styles, ChangedEvent, positionID, Address)
        {
            Index = xfsId;
            ExcelXfs xfs;
            if (positionID > -1)
            {
                xfs = _styles.CellXfs[xfsId];
            }
            else
            {
                xfs = _styles.CellStyleXfs[xfsId];
            }
            Styles = styles;
            PositionID = positionID;
            Numberformat = new ExcelNumberFormat(styles, ChangedEvent, PositionID, Address, xfs.NumberFormatId);
            Font = new ExcelFont(styles, ChangedEvent, PositionID, Address, xfs.FontId);
            Fill = new ExcelFill(styles, ChangedEvent, PositionID, Address, xfs.FillId);
            Border = new Border(styles, ChangedEvent, PositionID, Address, xfs.BorderId); 
        }
        /// <summary>
        /// Numberformat
        /// </summary>
        public ExcelNumberFormat Numberformat { get; set; }
        /// <summary>
        /// Font styling
        /// </summary>
        public ExcelFont Font { get; set; }
        /// <summary>
        /// Fill Styling
        /// </summary>
        public ExcelFill Fill { get; set; }
        /// <summary>
        /// Border 
        /// </summary>
        public Border Border { get; set; }
        /// <summary>
        /// The horizontal alignment in the cell
        /// </summary>
        public ExcelHorizontalAlignment HorizontalAlignment
        {
            get
            {
                return _styles.CellXfs[Index].HorizontalAlignment;
            }
            set
            {
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.HorizontalAlign, value, _positionID, _address));
            }
        }
        /// <summary>
        /// The vertical alignment in the cell
        /// </summary>
        public ExcelVerticalAlignment VerticalAlignment
        {
            get
            {
                return _styles.CellXfs[Index].VerticalAlignment;
            }
            set
            {
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.VerticalAlign, value, _positionID, _address));
            }
        }
        /// <summary>
        /// Wrap the text
        /// </summary>
        public bool WrapText
        {
            get
            {
                return _styles.CellXfs[Index].WrapText;
            }
            set
            {
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.WrapText, value, _positionID, _address));
            }
        }
        /// <summary>
        /// Readingorder
        /// </summary>
        public ExcelReadingOrder ReadingOrder
        {
            get
            {
                return _styles.CellXfs[Index].ReadingOrder;
            }
            set
            {
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.ReadingOrder, value, _positionID, _address));
            }
        }
        /// <summary>
        /// Shrink the text to fit
        /// </summary>
        public bool ShrinkToFit
        {
            get
            {
                return _styles.CellXfs[Index].ShrinkToFit;
            }
            set
            {
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.ShrinkToFit, value, _positionID, _address));
            }
        }
        /// <summary>
        /// The margin between the border and the text
        /// </summary>
        public int Indent
        {
            get
            {
                return _styles.CellXfs[Index].Indent;
            }
            set
            {
                if (value <0 || value > 250)
                {
                    throw(new ArgumentOutOfRangeException("Indent must be between 0 and 250"));
                }
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.Indent, value, _positionID, _address));
            }
        }
        /// <summary>
        /// Text orientation in degrees. Values range from 0 to 180.
        /// </summary>
        public int TextRotation
        {
            get
            {
                return _styles.CellXfs[Index].TextRotation;
            }
            set
            {
                if (value < 0 || value > 180)
                {
                    throw new ArgumentOutOfRangeException("TextRotation out of range.");
                }
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.TextRotation, value, _positionID, _address));
            }
        }
        /// <summary>
        /// If true the cell is locked for editing when the sheet is protected
        /// <seealso cref="ExcelWorksheet.Protection"/>
        /// </summary>
        public bool Locked
        {
            get
            {
                return _styles.CellXfs[Index].Locked;
            }
            set
            {
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.Locked, value, _positionID, _address));
            }
        }
        /// <summary>
        /// If true the formula is hidden when the sheet is protected.
        /// <seealso cref="ExcelWorksheet.Protection"/>
        /// </summary>
        public bool Hidden
        {
            get
            {
                return _styles.CellXfs[Index].Hidden;
            }
            set
            {
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.Hidden, value, _positionID, _address));
            }
        }


        const string xfIdPath = "@xfId";
        /// <summary>
        /// The index in the style collection
        /// </summary>
        public int XfId 
        {
            get
            {
                return _styles.CellXfs[Index].XfId;
            }
            set
            {
                _ChangedEvent(this, new StyleChangeEventArgs(eStyleClass.Style, eStyleProperty.XfId, value, _positionID, _address));
            }
        }
        internal int PositionID
        {
            get;
            set;
        }
        internal ExcelStyles Styles
        {
            get;
            set;
        }
        internal override string Id
        {
            get 
            { 
                return Numberformat.Id + "|" + Font.Id + "|" + Fill.Id + "|" + Border.Id + "|" + VerticalAlignment + "|" + HorizontalAlignment + "|" + WrapText.ToString() + "|" + ReadingOrder.ToString() + "|" + XfId.ToString(); 
            }
        }

    }
}