private void lstStyle_SelectedIndexChanged(object sender, System.EventArgs e)
{
//strInputValue = this.lstStyle.Text + ":" + this.cboFormat.Text ;
this.bolModified = true;
this.cboFormat.Items.Clear();
ValueFormatStyle style = (ValueFormatStyle)Enum.Parse(typeof(ValueFormatStyle), lstStyle.Text, true);
string[] formats = myFormats[style] as string[];
if (formats != null)
{
cboFormat.Items.AddRange(formats);
}
}
/// <summary>
/// 解释字符串设置对象数据
/// </summary>
/// <param name="strText">字符串</param>
public void Parse(string strText)
{
intStyle = ValueFormatStyle.None;
strFormat = null;
_NoneText = null;
if (HasContent(strText))
{
string[] items = strText.Split(',');
if (items.Length > 0)
{
foreach (string item in items)
{
string txt = items[0].Trim();
int index = txt.IndexOf("=");
if (index >= 0)
{
string name = txt.Substring(0, index).Trim();
txt = txt.Substring(index + 1).Trim();
if (string.Compare(name, "format", true) == 0)
{
strFormat = txt;
}
else if (string.Compare(name, "nonetext", true) == 0)
{
_NoneText = txt;
}
}
else
{
bool find = false;
foreach (string name in Enum.GetNames(typeof(ValueFormatStyle)))
{
if (string.Compare(name, txt, true) == 0)
{
intStyle = (ValueFormatStyle)Enum.Parse(typeof(ValueFormatStyle), name);
find = true;
break;
}
}
if (find == false)
{
strFormat = txt;
}
}
}
}//if
}
}
/// <summary>
/// 初始化对象
/// </summary>
/// <param name="style">类型</param>
/// <param name="format">格式</param>
/// <param name="naNText">数据空时的文本</param>
public ValueFormater(ValueFormatStyle style, string format, string naNText)
{
intStyle = style;
strFormat = format;
_NoneText = NoneText;
}
/// <summary>
/// 初始化对象
/// </summary>
/// <param name="style">类型</param>
/// <param name="format">格式</param>
public ValueFormater(ValueFormatStyle style, string format)
{
intStyle = style;
strFormat = format;
}
public static string Execute(
ValueFormatStyle style,
string format,
string noneText,
object Value)
{
if (Value == null || DBNull.Value.Equals(Value))
{
// 数据为空
return(noneText);
}
if (format == null)
{
format = "";
}
switch (style)
{
case ValueFormatStyle.None:
{
// 无任何格式转换
return(Convert.ToString(Value));
}
case ValueFormatStyle.Currency:
{
// 货币类型
decimal dec = 0;
bool convertFlag = false;
if (Value is string)
{
string txt = (string)Value;
if (HasContent(txt))
{
try
{
convertFlag = decimal.TryParse(txt, out dec);
}
catch
{
}
}
}
else if (IsNumberTypeFast(Value) || Value is bool)
{
dec = Convert.ToDecimal(Value);
convertFlag = true;
}
if (convertFlag)
{
if (HasContent(format))
{
return(dec.ToString(format));
}
else
{
return(dec.ToString());
}
}
else
{
return(noneText);
}
//break;
}
case ValueFormatStyle.DateTime:
{
DateTime dtm = DateTime.MinValue;
bool convertFlag = false;
if (Value is DateTime)
{
dtm = (DateTime)Value;
convertFlag = true;
}
else if (Value is string)
{
string txt = (string)Value;
if (HasContent(txt))
{
convertFlag = DateTime.TryParse(txt, out dtm);
}
}
else if (IsNumberTypeFast(Value))
{
dtm = new DateTime(Convert.ToInt64(Value));
convertFlag = true;
}
else
{
dtm = Convert.ToDateTime(Value);
convertFlag = true;
}
if (convertFlag)
{
if (HasContent(format))
{
return(dtm.ToString(format));
}
else
{
return(dtm.ToLongDateString());
}
}
else
{
return(noneText);
}
}
case ValueFormatStyle.Numeric:
{
double dbl = 0;
bool flag = false;
if (Value is string)
{
string txt = (string)Value;
if (HasContent(txt))
{
flag = double.TryParse(txt, out dbl);
}
}
else if (IsNumberTypeFast(Value))
{
dbl = Convert.ToDouble(Value);
flag = true;
}
else
{
try
{
dbl = Convert.ToDouble(Value);
flag = true;
}
catch
{
}
}
if (flag && double.IsNaN(dbl) == false)
{
if (HasContent(format))
{
return(dbl.ToString(format));
}
else
{
return(dbl.ToString());
}
}
else
{
return(noneText);
}
//break;
}
case ValueFormatStyle.Percent:
{
double dbl = 0;
int dig = 0;
int rate = 100;
if (Value is string)
{
string txt = (string)Value;
if (HasContent(txt))
{
if (txt.IndexOf("%") > 0)
{
rate = 1;
txt = txt.Replace("%", "");
}
if (double.TryParse(txt, out dbl) == false)
{
dbl = double.NaN;
}
}
else
{
return(noneText);
}
}
else if (IsNumberTypeFast(Value))
{
dbl = Convert.ToDouble(Value);
}
else
{
try
{
dbl = Convert.ToDouble(Value);
}
catch
{
return(noneText);
}
}
if (Int32.TryParse(format, out dig) == false)
{
dig = 0;
}
if (dig < 0)
{
dig = 0;
}
if (double.IsNaN(dbl) == false)
{
dbl = Math.Round(dbl * rate, dig);
if (dig == 0)
{
return(dbl.ToString() + "%");
}
else
{
return(dbl.ToString("0." + new string('0', dig)) + "%");
}
}
else
{
return(noneText);
}
}
case ValueFormatStyle.SpecifyLength:
{
int specifyLength = 0;
string txt = Convert.ToString(Value);
if (Int32.TryParse(format, out specifyLength))
{
if (specifyLength > 0)
{
int len = 0;
foreach (char c in txt)
{
if (c > 255)
{
len += 2;
}
else
{
len++;
}
}
if (len < specifyLength)
{
return(Value + new string(' ', specifyLength - len));
}
}
}
return(txt);
}
case ValueFormatStyle.String:
{
string txt = Convert.ToString(Value);
if (HasContent(txt) == false)
{
return(txt);
}
if (HasContent(format) == false)
{
return(txt);
}
format = format.Trim();
if (string.Compare(format, "trim", true) == 0)
{
return(txt.Trim());
}
//else if (string.Compare(format, "normalizespace", true) == 0)
//{
// return string.StringFormatHelper.NormalizeSpace(Value);
//}
//else if (string.Compare(format, "htmltext", true) == 0)
//{
// HTMLDocument doc = new HTMLDocument();
// doc.LoadHTML(Value);
// string txt = doc.InnerText;
// if (txt != null)
// txt = txt.Trim();
// return txt;
//}
else if (string.Compare(format, "HtmlEncode", true) == 0)
{
return(System.Web.HttpUtility.HtmlEncode(txt));
}
else if (string.Compare(format, "HtmlDecode", true) == 0)
{
return(System.Web.HttpUtility.HtmlDecode(txt));
}
else if (string.Compare(format, "UrlEncode", true) == 0)
{
return(System.Web.HttpUtility.UrlEncode(txt));
}
else if (string.Compare(format, "UrlDecode", true) == 0)
{
return(System.Web.HttpUtility.UrlDecode(txt));
}
else if (string.Compare(format, "HtmlAttributeEncode", true) == 0)
{
return(System.Web.HttpUtility.HtmlAttributeEncode(txt));
}
else if (string.Compare(format, "lower", true) == 0)
{
return(txt.ToLower());
}
else if (string.Compare(format, "upper", true) == 0)
{
return(txt.ToUpper());
}
format = format.ToLower();
if (format.StartsWith("left"))
{
int index = format.IndexOf(",");
if (index > 0)
{
string left = format.Substring(index + 1);
int len = 0;
if (Int32.TryParse(left, out len))
{
if (len > 0 && txt.Length > len)
{
return(txt.Substring(0, len));
}
}
}
return(txt);
}
if (format.StartsWith("right"))
{
int index = format.IndexOf(",");
if (index > 0)
{
string right = format.Substring(index + 1);
int len = 0;
if (Int32.TryParse(right, out len))
{
if (len > 0 && txt.Length > len)
{
return(txt.Substring(txt.Length - len - 1, len));
}
}
}
return(txt);
}
// else if( string.Compare( Format , "groupsplit" , true ) == 0 )
// {
// int GroupSize = Convert.ToInt32(
// Value = Value.Trim();
//
// }
return(txt);
}
case ValueFormatStyle.Boolean:
{
if (format == null)
{
return(Convert.ToString(Value));
}
int index = format.IndexOf(",");
string trueStr = format;
string falseStr = "";
if (index >= 0)
{
trueStr = format.Substring(0, index);
falseStr = format.Substring(index + 1);
}
bool bol = false;
bool flag = false;
if (Value is bool)
{
bol = (bool)Value;
flag = true;
}
else if (Value is string)
{
flag = Boolean.TryParse((string)Value, out bol);
}
else
{
try
{
bol = Convert.ToBoolean(Value);
flag = true;
}
catch
{
return(noneText);
}
}
if (bol)
{
return(trueStr);
}
else
{
return(falseStr);
}
//return Value ;
}
}
return(Convert.ToString(Value));
}
