public static XElement ConvertTableToHtml(SpreadsheetDocument sDoc, SmlToHtmlConverterSettings settings, string tableName)
{
var rangeXml = SmlDataRetriever.RetrieveTable(sDoc, tableName);
var xhtml = SmlToHtmlConverter.ConvertToHtmlInternal(sDoc, settings, rangeXml);
return(xhtml);
}
public SmlToHtmlConverterSettings(SmlToHtmlConverterSettings htmlConverterSettings)
{
PageTitle = htmlConverterSettings.PageTitle;
CssClassPrefix = htmlConverterSettings.CssClassPrefix;
FabricateCssClasses = htmlConverterSettings.FabricateCssClasses;
GeneralCss = htmlConverterSettings.GeneralCss;
AdditionalCss = htmlConverterSettings.AdditionalCss;
}
private static XNode ConvertToHtmlTransform(SpreadsheetDocument sDoc, SmlToHtmlConverterSettings htmlConverterSettings, XNode node)
{
var element = node as XElement;
if (element != null)
{
return(new XElement(element.Name,
element.Attributes(),
element.Nodes().Select(n => ConvertToHtmlTransform(sDoc, htmlConverterSettings, n))));
}
return(node);
}
// ***********************************************************************************************************************************
#region PublicApis
public static XElement ConvertTableToHtml(SmlDocument smlDoc, SmlToHtmlConverterSettings settings, string tableName)
{
using (MemoryStream ms = new MemoryStream())
{
ms.Write(smlDoc.DocumentByteArray, 0, smlDoc.DocumentByteArray.Length);
using (SpreadsheetDocument sDoc = SpreadsheetDocument.Open(ms, false))
{
var rangeXml = SmlDataRetriever.RetrieveTable(sDoc, tableName);
var xhtml = SmlToHtmlConverter.ConvertToHtmlInternal(sDoc, settings, rangeXml);
return(xhtml);
}
}
}
// ***********************************************************************************************************************************
private static XElement ConvertToHtmlInternal(SpreadsheetDocument sDoc, SmlToHtmlConverterSettings htmlConverterSettings, XElement rangeXml)
{
XElement xhtml = (XElement)ConvertToHtmlTransform(sDoc, htmlConverterSettings, rangeXml);
ReifyStylesAndClasses(htmlConverterSettings, xhtml);
// Note: the xhtml returned by ConvertToHtmlTransform contains objects of type
// XEntity. PtOpenXmlUtil.cs define the XEntity class. See
// http://blogs.msdn.com/ericwhite/archive/2010/01/21/writing-entity-references-using-linq-to-xml.aspx
// for detailed explanation.
//
// If you further transform the XML tree returned by ConvertToHtmlTransform, you
// must do it correctly, or entities will not be serialized properly.
return(xhtml);
}
public XElement ConvertTableToHtml(string tableName)
{
SmlToHtmlConverterSettings settings = new SmlToHtmlConverterSettings();
return(SmlToHtmlConverter.ConvertTableToHtml(this, settings, tableName));
}
public XElement ConvertToHtml(SmlToHtmlConverterSettings htmlConverterSettings, string tableName)
{
return(SmlToHtmlConverter.ConvertTableToHtml(this, htmlConverterSettings, tableName));
}
private static void ReifyStylesAndClasses(SmlToHtmlConverterSettings htmlConverterSettings, XElement xhtml)
{
if (htmlConverterSettings.FabricateCssClasses)
{
var usedCssClassNames = new HashSet <string>();
var elementsThatNeedClasses = xhtml
.DescendantsAndSelf()
.Select(d => new
{
Element = d,
Styles = d.Annotation <Dictionary <string, string> >(),
})
.Where(z => z.Styles != null);
var augmented = elementsThatNeedClasses
.Select(p => new
{
p.Element,
p.Styles,
StylesString = p.Element.Name.LocalName + "|" + p.Styles.OrderBy(k => k.Key).Select(s => string.Format("{0}: {1};", s.Key, s.Value)).StringConcatenate(),
})
.GroupBy(p => p.StylesString)
.ToList();
int classCounter = 1000000;
var sb = new StringBuilder();
sb.Append(Environment.NewLine);
foreach (var grp in augmented)
{
string classNameToUse;
var firstOne = grp.First();
var styles = firstOne.Styles;
if (styles.ContainsKey("PtStyleName"))
{
classNameToUse = htmlConverterSettings.CssClassPrefix + styles["PtStyleName"];
if (usedCssClassNames.Contains(classNameToUse))
{
classNameToUse = htmlConverterSettings.CssClassPrefix +
styles["PtStyleName"] + "-" +
classCounter.ToString().Substring(1);
classCounter++;
}
}
else
{
classNameToUse = htmlConverterSettings.CssClassPrefix +
classCounter.ToString().Substring(1);
classCounter++;
}
usedCssClassNames.Add(classNameToUse);
sb.Append(firstOne.Element.Name.LocalName + "." + classNameToUse + " {" + Environment.NewLine);
foreach (var st in firstOne.Styles.Where(s => s.Key != "PtStyleName"))
{
var s = " " + st.Key + ": " + st.Value + ";" + Environment.NewLine;
sb.Append(s);
}
sb.Append("}" + Environment.NewLine);
var classAtt = new XAttribute("class", classNameToUse);
foreach (var gc in grp)
{
gc.Element.Add(classAtt);
}
}
var styleValue = htmlConverterSettings.GeneralCss + sb + htmlConverterSettings.AdditionalCss;
SetStyleElementValue(xhtml, styleValue);
}
else
{
// Previously, the h:style element was not added at this point. However,
// at least the General CSS will contain important settings.
SetStyleElementValue(xhtml, htmlConverterSettings.GeneralCss + htmlConverterSettings.AdditionalCss);
foreach (var d in xhtml.DescendantsAndSelf())
{
var style = d.Annotation <Dictionary <string, string> >();
if (style == null)
{
continue;
}
var styleValue =
style
.Where(p => p.Key != "PtStyleName")
.OrderBy(p => p.Key)
.Select(e => string.Format("{0}: {1};", e.Key, e.Value))
.StringConcatenate();
XAttribute st = new XAttribute("style", styleValue);
if (d.Attribute("style") != null)
{
d.Attribute("style").Value += styleValue;
}
else
{
d.Add(st);
}
}
}
}
