private void RenderCatalogPart(HtmlTextWriter writer, CatalogPart catalogPart, CatalogPartChrome chrome, ref bool firstCell) {
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
if (!firstCell) {
writer.AddStyleAttribute(HtmlTextWriterStyle.PaddingTop, "0");
}
writer.RenderBeginTag(HtmlTextWriterTag.Td);
firstCell = false;
chrome.RenderCatalogPart(writer, catalogPart);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
protected override void RenderBody(HtmlTextWriter writer)
{
RenderBodyTableBeginTag(writer);
if (DesignMode)
{
RenderDesignerRegionBeginTag(writer, Orientation.Vertical);
}
CatalogPartCollection catalogParts = CatalogParts;
if (catalogParts != null && catalogParts.Count > 0)
{
bool firstCell = true;
// Only render links if there is more than 1 catalog part (VSWhidbey 77672)
if (catalogParts.Count > 1)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
firstCell = false;
RenderCatalogPartLinks(writer);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
CatalogPartChrome chrome = CatalogPartChrome;
if (DesignMode)
{
foreach (CatalogPart catalogPart in catalogParts)
{
RenderCatalogPart(writer, catalogPart, chrome, ref firstCell);
}
}
else
{
CatalogPart selectedCatalogPart = SelectedCatalogPart;
if (selectedCatalogPart != null)
{
RenderCatalogPart(writer, selectedCatalogPart, chrome, ref firstCell);
}
}
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
// Mozilla renders padding on an empty TD without this attribute
writer.AddStyleAttribute(HtmlTextWriterStyle.Padding, "0");
// Add an extra row with height of 100%, to [....] up any extra space
// if the height of the zone is larger than its contents
// Mac IE needs height=100% set on <td> instead of <tr>
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "100%");
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
else
{
RenderEmptyZoneText(writer);
}
if (DesignMode)
{
RenderDesignerRegionEndTag(writer);
}
RenderBodyTableEndTag(writer);
}
private void RenderCatalogPart(HtmlTextWriter writer, CatalogPart catalogPart, CatalogPartChrome chrome, ref bool firstCell)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
if (!firstCell)
{
writer.AddStyleAttribute(HtmlTextWriterStyle.PaddingTop, "0");
}
writer.RenderBeginTag(HtmlTextWriterTag.Td);
firstCell = false;
chrome.RenderCatalogPart(writer, catalogPart);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
// We don't need to handle WebPartManager.DisplayModeChanged in this class.
// We need it in EditorZoneBase since the available editor parts changes when the
// WebPartToEdit changes, but the list of catalog parts never changes
// when the DisplayMode changes.
protected internal override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
CatalogPartChrome.PerformPreRender();
Page.RegisterRequiresPostBack(this);
}