/// <summary>
/// Returns horizontal display item of a model value with caption truncated by the given length and use bootstrap pop-over to display the complete value
/// </summary>
/// <param name="expression">Lambda expression for the property</param>
/// <param name="spanOf12">Number represents bootstrap column span for the item width</param>
/// <param name="textMaxLength">Maximum length of the displayed text</param>
/// <param name="popOverTitle">The pop-over title text</param>
/// <param name="seeMoreHtml">html text for see more if the text is truncated</param>
/// <param name="showAllContentInPopover">True if you want to show the complete value in the pop-over. False to display the rest of the value only</param>
/// <param name="htmlAttributes">custom htmlAttributes applied to the value tag</param>
/// <param name="postBackValue">If true, value will be posted back in hidden input field</param>
/// <returns>HtmlString</returns>
public static IHtmlContent DisplayFormItemWithTruncateFor_H <TModel, TProperty>(
this IHtmlHelper <TModel> helper,
Expression <Func <TModel, TProperty> > expression, int spanOf12 = 6,
int textMaxLength = 50, string popOverTitle = "", string seeMoreHtml = " المزيد >>", bool showAllContentInPopover = false,
object htmlAttributes = null, bool postBackValue = false, TruncateMethod method = TruncateMethod.Popover)
{
var expresionProvider = helper.ViewContext.HttpContext.RequestServices
.GetService(typeof(ModelExpressionProvider)) as ModelExpressionProvider;
string name = helper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(expresionProvider.GetExpressionText(expression));
HtmlContentBuilder htmlContentBuilder = new HtmlContentBuilder();
var col = new ItemsColumnTagBuilder(spanOf12, null);
var frmGroup = new FormDisplayTagBuilder();
var valueSpan = new SpanTagBuilder(name, htmlAttributes);
valueSpan.InnerHtml.AppendHtml(helper.DisplayWithTruncateFor(expression, textMaxLength, popOverTitle, seeMoreHtml, showAllContentInPopover, method));
htmlContentBuilder.AppendHtml(col.RenderStartTag())
.AppendHtml(frmGroup.RenderStartTag())
.AppendHtml(helper.LabelFor(expression));
htmlContentBuilder.AppendHtml(valueSpan);
if (postBackValue)
{
htmlContentBuilder.AppendHtml(helper.HiddenFor(expression));
}
htmlContentBuilder.AppendHtml(frmGroup.RenderEndTag())
.AppendHtml(col.RenderEndTag());
return(htmlContentBuilder);
}
/// <summary>
/// Returns display tag of a value truncated by the given length and use bootstrap pop-over to display the complete value
/// </summary>
/// <param name="name">Unique name for the display tag</param>
/// <param name="value">Value to display</param>
/// <param name="textMaxLength">Maximum length of the displayed text</param>
/// <param name="popOverTitle">The pop-over title text</param>
/// <param name="seeMoreHtml">html text for see more if the text is truncated</param>
/// <param name="showAllContentInPopover">True if you want to show the complete value in the pop-over. False to display the rest of the value only</param>
/// <returns>HtmlString</returns>
public static HtmlContentBuilder DisplayWithTruncate <TModel>(
this IHtmlHelper <TModel> helper, string name, string value, int textMaxLength = 50, string popOverTitle = "", string seeMoreHtml = " المزيد >>",
bool showAllContentInPopover = false, TruncateMethod method = TruncateMethod.Popover)
{
HtmlContentBuilder result = new HtmlContentBuilder();
var needTruncate = value.Length > textMaxLength;
if (needTruncate)//compute real max length with space
{
string seperators = " .,-_،()[]&!";
if (!seperators.Contains(value[textMaxLength]) && !seperators.Contains(value[textMaxLength - 1]))
{
textMaxLength = value.Substring(0, textMaxLength).LastIndexOfAny(seperators.ToCharArray());
}
}
string toDisplayText = needTruncate ? value.Substring(0, textMaxLength) + " ... " : value;
string popoverText = value;
if (needTruncate && !showAllContentInPopover)
{
popoverText = "..." + value.Substring(textMaxLength, value.Length - textMaxLength);
}
result.Append(toDisplayText);
if (needTruncate)
{
string truncateHtml = "";
if (method == TruncateMethod.Popover)
{
truncateHtml = string.Format("<a id='{0}_popoverDiv' class='mci-popover' tabindex='0' data-toggle='popover' data-placement='bottom auto' data-trigger='focus' data-container='body' data-title='{1}' data-content='{2}'>{3}</a>", name, popOverTitle, popoverText, seeMoreHtml);
truncateHtml += string.Format(@"
<script>
$(function () {{
$('#{0}_popoverDiv').popover();
}});
</script>", name);
}
else
{
truncateHtml =
string.Format(
"<a id='{0}_popoverDiv' class='mci-popover' tabindex='0' data-toggle='modal' data-title='{1}' data-content='{2}'>{3}</a>",
name, popOverTitle, popoverText, seeMoreHtml);
}
result.AppendHtml(truncateHtml);
}
return(result);
}
public static float truncate(float number, TruncateMethod tm, int decimals = 0)
{
if (tm == TruncateMethod.ROUND)
{
return(round(number, decimals));
}
else if (tm == TruncateMethod.FLOOR)
{
return(floor(number, decimals));
}
else if (tm == TruncateMethod.CEIL)
{
return(ceil(number, decimals));
}
else
{
throw new ApplicationException("Unknown TruncateMethod");
}
}
public Truncate(long number, TruncateMethod method)
{
this.numberString = number.ToString();
this.method = method;
}
/// <summary>
/// Returns horizontal display item of a value with caption truncated by the given length and use bootstrap pop-over to display the complete value
/// </summary>
/// <param name="name">Unique name for the display tag</param>
/// <param name="value">Value to display</param>
/// <param name="labelText">Item caption text</param>
/// <param name="spanOf12">Number represents bootstrap column span for the item width</param>
/// <param name="textMaxLength">Maximum length of the displayed text</param>
/// <param name="popOverTitle">The pop-over title text</param>
/// <param name="seeMoreHtml">html text for see more if the text is truncated</param>
/// <param name="showAllContentInPopover">True if you want to show the complete value in the pop-over. False to display the rest of the value only</param>
/// <param name="htmlAttributes">custom htmlAttributes applied to the value tag</param>
/// <param name="postBackValue">If true, value will be posted back in hidden input field</param>
/// <returns>HtmlString</returns>
public static IHtmlContent DisplayFormItemWithTruncate_H <TModel>(
this IHtmlHelper <TModel> helper, string value, string labelText = "", int spanOf12 = 6,
int textMaxLength = 50, string popOverTitle = "", string seeMoreHtml = " المزيد >>", bool showAllContentInPopover = false,
object htmlAttributes = null, bool postBackValue = false, string name = "postValue", TruncateMethod method = TruncateMethod.Popover)
{
HtmlContentBuilder htmlContentBuilder = new HtmlContentBuilder();
var col = new ItemsColumnTagBuilder(spanOf12, null);
var frmGroup = new FormDisplayTagBuilder();
var valueSpan = new SpanTagBuilder(name, value, htmlAttributes);
valueSpan.InnerHtml.AppendHtml(helper.DisplayWithTruncate(name, value, textMaxLength, popOverTitle, seeMoreHtml, showAllContentInPopover, method));
htmlContentBuilder.AppendHtml(col.RenderStartTag())
.AppendHtml(frmGroup.RenderStartTag())
.AppendHtml(helper.Label(labelText));
htmlContentBuilder.AppendHtml(valueSpan);
if (postBackValue)
{
htmlContentBuilder.AppendHtml(helper.Hidden(name, value));
}
htmlContentBuilder.AppendHtml(frmGroup.RenderEndTag())
.AppendHtml(col.RenderEndTag());
return(htmlContentBuilder);
}
/// <summary>
/// Returns display tag of a value truncated by the given length and use bootstrap pop-over to display the complete value
/// </summary>
/// <param name="expression">Lambda expression for the property</param>
/// <param name="textMaxLength">Maximum length of the displayed text</param>
/// <param name="popOverTitle">The pop-over title text</param>
/// <param name="seeMoreHtml">html text for see more if the text is truncated</param>
/// <param name="showAllContentInPopover">True if you want to show the complete value in the pop-over. False to display the rest of the value only</param>
/// <returns>HtmlString</returns>
public static HtmlContentBuilder DisplayWithTruncateFor <TModel, TProperty>(
this IHtmlHelper <TModel> helper, Expression <Func <TModel, TProperty> > expression,
int textMaxLength = 50, string popOverTitle = "", string seeMoreHtml = " المزيد >>", bool showAllContentInPopover = false, TruncateMethod method = TruncateMethod.Popover)
{
var expresionProvider = helper.ViewContext.HttpContext.RequestServices
.GetService(typeof(ModelExpressionProvider)) as ModelExpressionProvider;
string name = helper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(expresionProvider.GetExpressionText(expression));
IHtmlContent value = helper.DisplayFor(expression);
HtmlContentBuilder result = helper.DisplayWithTruncate(name, value.GetString(), textMaxLength, popOverTitle, seeMoreHtml, showAllContentInPopover, method);
return(result);
}
public static string floatToString(float number, TruncateMethod tm, int decimals)
{
if (decimals < 0)
{
throw new ApplicationException("decimals cannot be negative");
}
else if (decimals == 0)
{
return(truncate(number, tm).ToString());
}
else if (number == 0f)
{
char[] ret = new char[decimals + 2];
ret[0] = '0';
ret[1] = '.';
for (int i = 0; i < decimals; i++)
{
ret[i + 2] = '0';
}
return(new String(ret));
}
else if (number < 0f)
{
return("-" + floatToString(-number, tm, decimals)); // TODO string joining
}
else
{
float power = Mathf.Pow(10f, decimals);
float poweredFloat = truncate(number * power, tm, 0);
int poweredInt = (int)poweredFloat;
string str = poweredInt.ToString();
int strLen = str.Length;
int retLen = Mathf.Max(strLen + 1, decimals + 2);
char[] ret = new char[retLen];
int dotIndex = retLen - 1 - decimals;
for (int j = 0; j < retLen; j++)
{
char ch;
if (j < dotIndex)
{
int index = strLen - retLen + j + 1;
ch = index >= 0 ? str[index] : '0';
}
else if (j == dotIndex)
{
ch = '.';
}
else
{
int index = strLen - retLen + j;
ch = index >= 0 ? str[index] : '0';
}
ret[j] = ch;
}
return(new String(ret));
}
}
public Truncate(long number, TruncateMethod method)
{
this.numberString = number.ToString();
this.method = method;
}
