using System.Drawing;
using System.Windows.Forms;

namespace Dongke.WinForm.Controls.InvoiceLayout
{
    internal partial class PageNumItemSetting : Setting
    {
        #region 成员变量
        private TextAlignment _textAlign = TextAlignment.LeftOrTop;                        // 文本对齐方式
        private TextAlignment _textAlignVertical = TextAlignment.LeftOrTop;                // 文本垂直对齐方式
        private bool _isInit = true;
        #endregion

        #region 属性
        /// <summary>
        /// 文本字体
        /// </summary>
        public Font TextFont
        {
            get
            {
                return txtPreview.Font;
            }
            set
            {
                txtPreview.Font = value;
            }
        }

        /// <summary>
        /// 文本颜色
        /// </summary>
        public Color TextColor
        {
            get
            {
                return txtPreview.ForeColor;
            }
            set
            {
                txtPreview.ForeColor = value;
            }
        }

        /// <summary>
        /// 文本对齐方式
        /// </summary>
        public TextAlignment TextAlign
        {
            get
            {
                return _textAlign;
            }
            set
            {
                if (_textAlign != value)
                {
                    _textAlign = value;
                }
            }
        }

        /// <summary>
        /// 文本垂直对齐方式
        /// </summary>
        public TextAlignment TextAlignVertical
        {
            get
            {
                return _textAlignVertical;
            }
            set
            {
                if (_textAlignVertical != value)
                {
                    _textAlignVertical = value;
                }
            }
        }

        /// <summary>
        /// X
        /// </summary>
        public float TextLocationY
        {
            get
            {
                return System.Convert.ToSingle(numLoctionY.Value);
            }
            set
            {
                decimal d = System.Convert.ToDecimal(value);
                if (d < numLoctionY.Minimum)
                {
                    d = numLoctionY.Minimum;
                }
                else if (numLoctionY.Maximum < d)
                {
                    d = numLoctionY.Maximum;
                }
                numLoctionY.Value = d;
            }
        }

        /// <summary>
        /// Y
        /// </summary>
        public float TextLocationX
        {
            get
            {
                return System.Convert.ToSingle(numLoctionX.Value);
            }
            set
            {
                decimal d = System.Convert.ToDecimal(value);
                if (d < numLoctionX.Minimum)
                {
                    d = numLoctionX.Minimum;
                }
                else if (numLoctionX.Maximum < d)
                {
                    d = numLoctionX.Maximum;
                }
                numLoctionX.Value = d;
            }
        }

        /// <summary>
        /// 宽
        /// </summary>
        public float TextWidth
        {
            get
            {
                return System.Convert.ToSingle(numWidth.Value);
            }
            set
            {
                decimal d = System.Convert.ToDecimal(value);
                if (d < numWidth.Minimum)
                {
                    d = numWidth.Minimum;
                }
                else if (numWidth.Maximum < d)
                {
                    d = numWidth.Maximum;
                }
                numWidth.Value = d;
            }
        }

        /// <summary>
        /// 高
        /// </summary>
        public float TextHeight
        {
            get
            {
                return System.Convert.ToSingle(numHeight.Value);
            }
            set
            {
                decimal d = System.Convert.ToDecimal(value);
                if (d < numHeight.Minimum)
                {
                    d = numHeight.Minimum;
                }
                else if (numHeight.Maximum < d)
                {
                    d = numHeight.Maximum;
                }
                numHeight.Value = d;
            }
        }


        /// <summary>
        /// 文本格式
        /// </summary>
        public string TextFormat
        {
            get
            {
                return txtPageNumFormat.Text;
            }
            set
            {
                txtPageNumFormat.Text = value;
                if (string.IsNullOrEmpty(txtPageNumFormat.Text))
                {
                    this.txtPreview.Text = "";
                }
                else
                {
                    this.txtPreview.Text = txtPageNumFormat.Text.Replace("&[页码]", "1").Replace("&[总页数]", "1");
                }
            }
        }
        #endregion

        #region 构造函数
        /// <summary>
        /// 构造函数
        /// </summary>
        public PageNumItemSetting()
        {
            InitializeComponent();
            TextWidth = LayoutCommon.DefaultTextItemSizeWidth;
            TextHeight = LayoutCommon.DefaultTextItemSizeHeight;
        }
        #endregion

        #region 事件处理
        /// <summary>
        /// 文本设置
        /// </summary>
        /// <param name="sender">指定的对象</param>
        /// <param name="e">提供的事件数据</param>
        private void TextItemSetting_Shown(object sender, System.EventArgs e)
        {
            try
            {
                if (grbTextAlignment.Enabled)
                {
                    switch (_textAlign)
                    {
                        case TextAlignment.LeftOrTop:
                            rbtnLeft.Checked = true;
                            txtPreview.TextAlign = HorizontalAlignment.Left;
                            break;
                        case TextAlignment.RightOrBottom:
                            rbtnRight.Checked = true;
                            txtPreview.TextAlign = HorizontalAlignment.Right;
                            break;
                        case TextAlignment.Center:
                            rbtnCenter.Checked = true;
                            txtPreview.TextAlign = HorizontalAlignment.Center;
                            break;
                        case TextAlignment.Evenness:
                            rbtnEvenness.Checked = true;
                            txtPreview.TextAlign = HorizontalAlignment.Left;
                            break;
                    }
                }

                if (grbTextAlignmentV.Enabled)
                {
                    switch (_textAlignVertical)
                    {
                        case TextAlignment.LeftOrTop:
                            rbtnTop.Checked = true;
                            break;
                        case TextAlignment.RightOrBottom:
                            rbtnBottom.Checked = true;
                            break;
                        case TextAlignment.Center:
                            rbtnCenterV.Checked = true;
                            break;
                        default:
                            rbtnTop.Checked = true;
                            break;
                    }
                }
            }
            finally
            {
                _isInit = false;
            }
        }

        /// <summary>
        /// 设置文本颜色
        /// </summary>
        /// <param name="sender">指定的对象</param>
        /// <param name="e">提供的事件数据</param>
        private void btnSelectColor_Click(object sender, System.EventArgs e)
        {
            colorDialog.Color = txtPreview.ForeColor;
            if (colorDialog.ShowDialog() == DialogResult.OK)
            {
                txtPreview.ForeColor = colorDialog.Color;
            }
        }

        /// <summary>
        /// 设置文本对齐方式
        /// </summary>
        /// <param name="sender">指定的对象</param>
        /// <param name="e">提供的事件数据</param>
        private void rbtnTextAlignment_CheckedChanged(object sender, System.EventArgs e)
        {
            if (_isInit)
            {
                return;
            }
            if (rbtnLeft.Checked)
            {
                txtPreview.TextAlign = HorizontalAlignment.Left;
                _textAlign = TextAlignment.LeftOrTop;
            }
            else if (rbtnRight.Checked)
            {
                txtPreview.TextAlign = HorizontalAlignment.Right;
                _textAlign = TextAlignment.RightOrBottom;
            }
            else if (rbtnCenter.Checked)
            {
                txtPreview.TextAlign = HorizontalAlignment.Center;
                _textAlign = TextAlignment.Center;
            }
            else
            {
                txtPreview.TextAlign = HorizontalAlignment.Left;
                _textAlign = TextAlignment.Evenness;
            }

            if (rbtnTop.Checked)
            {
                _textAlignVertical = TextAlignment.LeftOrTop;
            }
            else if (rbtnBottom.Checked)
            {
                _textAlignVertical = TextAlignment.RightOrBottom;
            }
            else if (rbtnCenterV.Checked)
            {
                _textAlignVertical = TextAlignment.Center;
            }
            else
            {
                _textAlignVertical = TextAlignment.LeftOrTop;
            }
        }

        /// <summary>
        /// 设置文本字体。
        /// </summary>
        /// <param name="sender">指定的对象</param>
        /// <param name="e">提供的事件数据</param>
        private void btnFont_Click(object sender, System.EventArgs e)
        {
            fontDialog.Font = TextFont;
            if (fontDialog.ShowDialog() == DialogResult.OK)
            {
                TextFont = fontDialog.Font;
            }
        }

        /// <summary>
        /// 设置文本格式
        /// </summary>
        /// <param name="sender">指定的对象</param>
        /// <param name="e">提供的事件数据</param>
        private void txtPageNumFormat_Validating(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (string.IsNullOrEmpty(txtPageNumFormat.Text))
            {
                this.txtPreview.Text = "";
            }
            else
            {
                this.txtPreview.Text = txtPageNumFormat.Text.Replace("&[页码]", "1").Replace("&[总页数]", "1");
            }
        }
        #endregion 事件处理
    }
}