internal void renderHeaderCols(HtmlTextWriter output)
{
for (int i = 0; i < cellCount; i++)
{
DateTime from = StartDate.AddMinutes(CellDuration * i);
//DateTime to = from.AddMinutes(CellDuration);
string text;
if (CellDuration < 60) // smaller than hour, use minutes
{
text = String.Format("<span style='color:gray'>{0:00}</span>", from.Minute);
}
else if (CellDuration < 1440)// smaller than day, use hours
{
text = TimeFormatter.GetHour(from, TimeFormat, "{0} {1}");
}
else // use days
{
text = from.Day.ToString();
}
if (i == 0)
{
output.AddAttribute("colspan", "2");
}
if (i == cellCount - 1)
{
output.AddStyleAttribute("border-right", "1px solid " + ColorTranslator.ToHtml(BorderColor));
}
output.AddStyleAttribute("border-top", "1px solid " + ColorTranslator.ToHtml(BorderColor));
output.AddStyleAttribute("border-bottom", "1px solid " + ColorTranslator.ToHtml(BorderColor));
output.AddStyleAttribute("width", (CellWidth) + "px");
output.AddStyleAttribute("height", (HeaderHeight - 1) + "px");
output.AddStyleAttribute("overflow", "hidden");
output.AddStyleAttribute("text-align", "center");
output.AddStyleAttribute("background-color", ColorTranslator.ToHtml(HourNameBackColor));
output.AddStyleAttribute("font-family", HourFontFamily);
output.AddStyleAttribute("font-size", HourFontSize);
output.AddAttribute("unselectable", "on");
output.AddStyleAttribute("-khtml-user-select", "none");
output.AddStyleAttribute("-moz-user-select", "none");
output.AddStyleAttribute("cursor", "default");
output.RenderBeginTag("td");
output.Write("<div unselectable='on' style='height:" + (HeaderHeight - 1) + "px;border-right: 1px solid " + ColorTranslator.ToHtml(HourNameBorderColor) + "; width:" + (CellWidth - 1) + "px;overflow:hidden;'>");
output.Write(text);
output.Write("</div>");
output.RenderEndTag();
}
}