public void InstantiateIn(Control c)
{
SourceHeaderItem container = (SourceHeaderItem)c;
if (c.Page != null && c.Page.Header != null && c.Page.Items["shl_ln"] == null)
{
HtmlGenericControl lineNumberStyle = new HtmlGenericControl("style");
lineNumberStyle.Attributes.Add("type", "text/css");
lineNumberStyle.InnerHtml = ".shl_ln { border-right: 1px solid #000; padding-right: 2px; }";
c.Page.Header.Controls.Add(lineNumberStyle);
c.Page.Items["shl_ln"] = new object();
}
HtmlTable root = new HtmlTable();
root.Style.Add(HtmlTextWriterStyle.Width, "100%");
container.Controls.Add(root);
HtmlTableRow headerRow = new HtmlTableRow();
root.Rows.Add(headerRow);
HtmlTableCell headerCell = new HtmlTableCell();
headerCell.ColSpan = 2;
headerCell.Style.Add(HtmlTextWriterStyle.FontWeight, "bold");
headerCell.InnerText = container.Language;
headerRow.Cells.Add(headerCell);
HtmlTableRow bodyRow = new HtmlTableRow();
root.Rows.Add(bodyRow);
HtmlTableCell lineNumberCell = new HtmlTableCell();
lineNumberCell.Style.Add(HtmlTextWriterStyle.TextAlign, "right");
lineNumberCell.Style.Add(HtmlTextWriterStyle.VerticalAlign, "top");
lineNumberCell.Style.Add(HtmlTextWriterStyle.Width, "1%");
bodyRow.Cells.Add(lineNumberCell);
HtmlGenericControl lineNumberPre = new HtmlGenericControl("pre");
lineNumberCell.Controls.Add(lineNumberPre);
LineNumberPlaceHolder lineNumberPH = new LineNumberPlaceHolder();
lineNumberPre.Controls.Add(lineNumberPH);
HtmlTableCell sourceLineCell = new HtmlTableCell();
sourceLineCell.Style.Add(HtmlTextWriterStyle.VerticalAlign, "top");
sourceLineCell.Style.Add(HtmlTextWriterStyle.Width, "99%");
bodyRow.Cells.Add(sourceLineCell);
HtmlGenericControl sourceLinePre = new HtmlGenericControl("pre");
sourceLineCell.Controls.Add(sourceLinePre);
SourceLinePlaceHolder sourceLinePH = new SourceLinePlaceHolder();
sourceLinePre.Controls.Add(sourceLinePH);
}
/// <summary>
/// Adds the controls which form the code snippet.
/// </summary>
/// <param name="source">The source code.</param>
/// <param name="language">The language in which the source code is written.</param>
protected virtual void RenderCode(string source, string language)
{
HighlighterBase highlighter = this.GetHighlighter(language);
string parsedText = highlighter.Parse(source);
string[] lines = parsedText.Replace("\r", String.Empty).Split('\n');
// Find the placeholders for the line numbers and source lines.
Control templatedOutLineControl = new SourceHeaderItem(highlighter.FullName, lines.Length);
this.Controls.Add(templatedOutLineControl);
this.codeLayoutTemplate.InstantiateIn(templatedOutLineControl);
PlaceHolder lineNumberPlaceHolder = this.FindLineNumberPlaceHolder(templatedOutLineControl);
PlaceHolder sourceLinePlaceHolder = this.FindSourceLinePlaceHolder(templatedOutLineControl);
FunctionSelector selector = FunctionSelectorFactory.Get(language);
selector.FunctionName = FunctionName;
if (lineNumberPlaceHolder != null || sourceLinePlaceHolder != null)
{
Control templatedLineNumberControl, templatedSourceLineControl, separatorControl;
for (int i = 0; i < lines.Length; i++)
{
int lineNumber = (i + 1);
if (lineNumber >= _StartLineNumber && lineNumber <= _EndLineNumber)
{
string line = lines[i];
if (selector.IsLineBelongingToRequiredFunction(line))
{
if (lineNumberPlaceHolder != null && this.lineNumberTemplate != null)
{
// Parse line number.
templatedLineNumberControl = new SourceItem(lineNumber, lines.Length, line);
this.lineNumberTemplate.InstantiateIn(templatedLineNumberControl);
lineNumberPlaceHolder.Controls.Add(templatedLineNumberControl);
if (lineNumber < lines.Length && this.separatorTemplate != null)
{
separatorControl = new SeparatorItem();
this.separatorTemplate.InstantiateIn(separatorControl);
lineNumberPlaceHolder.Controls.Add(separatorControl);
}
}
if (sourceLinePlaceHolder != null && this.sourceLineTemplate != null)
{
// Parse source line.
templatedSourceLineControl = new SourceItem(lineNumber, lines.Length, line);
this.sourceLineTemplate.InstantiateIn(templatedSourceLineControl);
sourceLinePlaceHolder.Controls.Add(templatedSourceLineControl);
if (lineNumber < lines.Length && this.separatorTemplate != null)
{
separatorControl = new SeparatorItem();
this.separatorTemplate.InstantiateIn(separatorControl);
sourceLinePlaceHolder.Controls.Add(separatorControl);
}
}
}
}
}
}
templatedOutLineControl.DataBind();
}
