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using System;
using System.Data;
using System.Collections;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
namespace CSSFriendly
{
public class GridViewAdapter : System.Web.UI.WebControls.Adapters.WebControlAdapter
{
private WebControlAdapterExtender _extender = null;
private WebControlAdapterExtender Extender
{
get
{
if (((_extender == null) && (Control != null)) ||
((_extender != null) && (Control != _extender.AdaptedControl)))
{
_extender = new WebControlAdapterExtender(Control);
}
System.Diagnostics.Debug.Assert(_extender != null, "CSS Friendly adapters internal error", "Null extender instance");
return _extender;
}
}
/// ///////////////////////////////////////////////////////////////////////////////
/// PROTECTED
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
if (Extender.AdapterEnabled)
{
RegisterScripts();
}
}
protected override void RenderBeginTag(HtmlTextWriter writer)
{
if (Extender.AdapterEnabled)
{
Extender.RenderBeginTag(writer, "AspNet-GridView");
}
else
{
base.RenderBeginTag(writer);
}
}
protected override void RenderEndTag(HtmlTextWriter writer)
{
if (Extender.AdapterEnabled)
{
Extender.RenderEndTag(writer);
}
else
{
base.RenderEndTag(writer);
}
}
protected override void RenderContents(HtmlTextWriter writer)
{
if (Extender.AdapterEnabled)
{
GridView gridView = Control as GridView;
if (gridView != null)
{
writer.Indent++;
WritePagerSection(writer, PagerPosition.Top);
writer.WriteLine();
writer.WriteBeginTag("table");
writer.WriteAttribute("cellpadding", "0");
writer.WriteAttribute("cellspacing", "0");
writer.WriteAttribute("summary", Control.ToolTip);
if (!String.IsNullOrEmpty(gridView.CssClass))
{
writer.WriteAttribute("class", gridView.CssClass);
}
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
ArrayList rows = new ArrayList();
GridViewRowCollection gvrc = null;
///////////////////// HEAD /////////////////////////////
rows.Clear();
if (gridView.ShowHeader && (gridView.HeaderRow != null))
{
rows.Add(gridView.HeaderRow);
}
gvrc = new GridViewRowCollection(rows);
WriteRows(writer, gridView, gvrc, "thead");
///////////////////// FOOT /////////////////////////////
rows.Clear();
if (gridView.ShowFooter && (gridView.FooterRow != null))
{
rows.Add(gridView.FooterRow);
}
gvrc = new GridViewRowCollection(rows);
WriteRows(writer, gridView, gvrc, "tfoot");
///////////////////// BODY /////////////////////////////
WriteRows(writer, gridView, gridView.Rows, "tbody");
////////////////////////////////////////////////////////
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("table");
WritePagerSection(writer, PagerPosition.Bottom);
writer.Indent--;
writer.WriteLine();
}
}
else
{
base.RenderContents(writer);
}
}
/// ///////////////////////////////////////////////////////////////////////////////
/// PRIVATE
private void RegisterScripts()
{
}
private void WriteRows(HtmlTextWriter writer, GridView gridView, GridViewRowCollection rows, string tableSection)
{
if (rows.Count > 0)
{
writer.WriteLine();
writer.WriteBeginTag(tableSection);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
foreach (GridViewRow row in rows)
{
writer.WriteLine();
writer.WriteBeginTag("tr");
string className = GetRowClass(gridView, row);
if (!String.IsNullOrEmpty(className))
{
writer.WriteAttribute("class", className);
}
// Uncomment the following block of code if you want to add arbitrary attributes.
foreach (string key in row.Attributes.Keys)
{
writer.WriteAttribute(key, row.Attributes[key]);
}
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
foreach (TableCell cell in row.Cells)
{
DataControlFieldCell fieldCell = cell as DataControlFieldCell;
if ((fieldCell != null) && (fieldCell.ContainingField != null))
{
DataControlField field = fieldCell.ContainingField;
if (!field.Visible)
{
cell.Visible = false;
}
if ((field.ItemStyle != null) && (!String.IsNullOrEmpty(field.ItemStyle.CssClass)))
{
if (!String.IsNullOrEmpty(cell.CssClass))
{
cell.CssClass += " ";
}
cell.CssClass += field.ItemStyle.CssClass;
}
}
writer.WriteLine();
cell.RenderControl(writer);
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("tr");
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag(tableSection);
}
}
private string GetRowClass(GridView gridView, GridViewRow row)
{
string className = "";
if ((row.RowState & DataControlRowState.Alternate) == DataControlRowState.Alternate)
{
className += " AspNet-GridView-Alternate ";
if (gridView.AlternatingRowStyle != null)
{
className += gridView.AlternatingRowStyle.CssClass;
}
}
else if (row.Equals(gridView.HeaderRow) && (gridView.HeaderStyle != null) && (!String.IsNullOrEmpty(gridView.HeaderStyle.CssClass)))
{
className += " " + gridView.HeaderStyle.CssClass;
}
else if (row.Equals(gridView.FooterRow) && (gridView.FooterStyle != null) && (!String.IsNullOrEmpty(gridView.FooterStyle.CssClass)))
{
className += " " + gridView.FooterStyle.CssClass;
}
else if ((gridView.RowStyle != null) && (!String.IsNullOrEmpty(gridView.RowStyle.CssClass)))
{
className += " " + gridView.RowStyle.CssClass;
}
if ((row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit)
{
className += " AspNet-GridView-Edit ";
if (gridView.EditRowStyle != null)
{
className += gridView.EditRowStyle.CssClass;
}
}
if ((row.RowState & DataControlRowState.Insert) == DataControlRowState.Insert)
{
className += " AspNet-GridView-Insert ";
}
if ((row.RowState & DataControlRowState.Selected) == DataControlRowState.Selected)
{
className += " AspNet-GridView-Selected ";
if (gridView.SelectedRowStyle != null)
{
className += gridView.SelectedRowStyle.CssClass;
}
}
return className.Trim();
}
private void WritePagerSection(HtmlTextWriter writer, PagerPosition pos)
{
GridView gridView = Control as GridView;
if ((gridView != null) &&
gridView.AllowPaging &&
((gridView.PagerSettings.Position == pos) || (gridView.PagerSettings.Position == PagerPosition.TopAndBottom)))
{
Table innerTable = null;
if ((pos == PagerPosition.Top) &&
(gridView.TopPagerRow != null) &&
(gridView.TopPagerRow.Cells.Count == 1) &&
(gridView.TopPagerRow.Cells[0].Controls.Count == 1) &&
typeof(Table).IsAssignableFrom(gridView.TopPagerRow.Cells[0].Controls[0].GetType()))
{
innerTable = gridView.TopPagerRow.Cells[0].Controls[0] as Table;
}
else if ((pos == PagerPosition.Bottom) &&
(gridView.BottomPagerRow != null) &&
(gridView.BottomPagerRow.Cells.Count == 1) &&
(gridView.BottomPagerRow.Cells[0].Controls.Count == 1) &&
typeof(Table).IsAssignableFrom(gridView.BottomPagerRow.Cells[0].Controls[0].GetType()))
{
innerTable = gridView.BottomPagerRow.Cells[0].Controls[0] as Table;
}
if ((innerTable != null) && (innerTable.Rows.Count == 1))
{
string className = "AspNet-GridView-Pagination AspNet-GridView-";
className += (pos == PagerPosition.Top) ? "Top " : "Bottom ";
if (gridView.PagerStyle != null)
{
className += gridView.PagerStyle.CssClass;
}
className = className.Trim();
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", className);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
TableRow row = innerTable.Rows[0];
foreach (TableCell cell in row.Cells)
{
foreach (Control ctrl in cell.Controls)
{
writer.WriteLine();
ctrl.RenderControl(writer);
}
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("div");
}
}
}
}
} |
