Initial project's source code check-in.
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// Material sourced from the bluePortal project (http://blueportal.codeplex.com).
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// Licensed under the Microsoft Public License (available at http://www.opensource.org/licenses/ms-pl.html).
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using System;
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using System.Data;
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using System.Configuration;
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using System.IO;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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namespace CSSFriendly
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{
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public abstract class CompositeDataBoundControlAdapter : System.Web.UI.WebControls.Adapters.DataBoundControlAdapter
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{
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private WebControlAdapterExtender _extender = null;
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private WebControlAdapterExtender Extender
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{
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get
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{
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if (((_extender == null) && (Control != null)) ||
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((_extender != null) && (Control != _extender.AdaptedControl)))
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{
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_extender = new WebControlAdapterExtender(Control);
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}
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System.Diagnostics.Debug.Assert(_extender != null, "CSS Friendly adapters internal error", "Null extender instance");
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return _extender;
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}
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}
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protected string _classMain = "";
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protected string _classHeader = "";
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protected string _classData = "";
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protected string _classFooter = "";
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protected string _classPagination = "";
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protected string _classOtherPage = "";
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protected string _classActivePage = "";
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protected CompositeDataBoundControl View
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{
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get { return Control as CompositeDataBoundControl; }
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}
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protected DetailsView ControlAsDetailsView
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{
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get { return Control as DetailsView; }
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}
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protected bool IsDetailsView
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{
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get { return ControlAsDetailsView != null; }
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}
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protected FormView ControlAsFormView
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{
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get { return Control as FormView; }
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}
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protected bool IsFormView
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{
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get { return ControlAsFormView != null; }
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}
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protected abstract string HeaderText { get; }
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protected abstract string FooterText { get; }
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protected abstract ITemplate HeaderTemplate { get; }
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protected abstract ITemplate FooterTemplate { get; }
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protected abstract TableRow HeaderRow { get; }
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protected abstract TableRow FooterRow { get; }
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protected abstract bool AllowPaging { get; }
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protected abstract int DataItemCount { get; }
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protected abstract int DataItemIndex { get; }
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protected abstract PagerSettings PagerSettings { get; }
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/// ///////////////////////////////////////////////////////////////////////////////
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/// METHODS
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protected override void OnInit(EventArgs e)
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{
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base.OnInit(e);
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if (Extender.AdapterEnabled)
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{
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RegisterScripts();
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}
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}
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protected override void RenderBeginTag(HtmlTextWriter writer)
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{
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if (Extender.AdapterEnabled)
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{
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Extender.RenderBeginTag(writer, _classMain);
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}
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else
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{
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base.RenderBeginTag(writer);
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}
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}
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protected override void RenderEndTag(HtmlTextWriter writer)
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{
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if (Extender.AdapterEnabled)
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{
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Extender.RenderEndTag(writer);
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}
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else
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{
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base.RenderEndTag(writer);
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}
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}
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protected override void RenderContents(HtmlTextWriter writer)
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{
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if (Extender.AdapterEnabled)
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{
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if (View != null)
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{
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writer.Indent++;
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BuildRow(HeaderRow, _classHeader, writer);
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BuildItem(writer);
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BuildRow(FooterRow, _classFooter, writer);
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BuildPaging(writer);
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writer.Indent--;
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writer.WriteLine();
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}
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}
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else
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{
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base.RenderContents(writer);
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}
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}
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protected virtual void BuildItem(HtmlTextWriter writer)
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{
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}
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protected virtual void BuildRow(TableRow row, string cssClass, HtmlTextWriter writer)
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{
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if (row != null)
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{
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// If there isn't any content, don't render anything.
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bool bHasContent = false;
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TableCell cell = null;
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for (int iCell = 0; iCell < row.Cells.Count; iCell++)
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{
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cell = row.Cells[iCell];
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if ((!String.IsNullOrEmpty(cell.Text)) || (cell.Controls.Count > 0))
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{
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bHasContent = true;
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break;
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}
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}
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if (bHasContent)
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{
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writer.WriteLine();
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writer.WriteBeginTag("div");
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writer.WriteAttribute("class", cssClass);
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Indent++;
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writer.WriteLine();
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for (int iCell = 0; iCell < row.Cells.Count; iCell++)
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{
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cell = row.Cells[iCell];
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if (!String.IsNullOrEmpty(cell.Text))
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{
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writer.Write(cell.Text);
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}
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foreach (Control cellChildControl in cell.Controls)
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{
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cellChildControl.RenderControl(writer);
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}
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}
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writer.Indent--;
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writer.WriteLine();
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writer.WriteEndTag("div");
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}
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}
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}
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protected virtual void BuildPaging(HtmlTextWriter writer)
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{
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if (AllowPaging && (DataItemCount > 0))
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{
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writer.WriteLine();
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writer.WriteBeginTag("div");
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writer.WriteAttribute("class", _classPagination);
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Indent++;
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int iStart = 0;
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int iEnd = DataItemCount;
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int nPages = iEnd - iStart + 1;
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bool bExceededPageButtonCount = nPages > PagerSettings.PageButtonCount;
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if (bExceededPageButtonCount)
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{
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iStart = (DataItemIndex / PagerSettings.PageButtonCount) * PagerSettings.PageButtonCount;
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iEnd = Math.Min(iStart + PagerSettings.PageButtonCount, DataItemCount);
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}
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writer.WriteLine();
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if (bExceededPageButtonCount && (iStart > 0))
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{
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writer.WriteBeginTag("a");
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writer.WriteAttribute("class", _classOtherPage);
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writer.WriteAttribute("href", Page.ClientScript.GetPostBackClientHyperlink(Control, "Page$" + iStart.ToString(), true));
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Write("...");
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writer.WriteEndTag("a");
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}
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for (int iDataItem = iStart; iDataItem < iEnd; iDataItem++)
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{
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string strPage = (iDataItem + 1).ToString();
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if (DataItemIndex == iDataItem)
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{
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writer.WriteBeginTag("span");
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writer.WriteAttribute("class", _classActivePage);
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Write(strPage);
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writer.WriteEndTag("span");
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}
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else
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{
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writer.WriteBeginTag("a");
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writer.WriteAttribute("class", _classOtherPage);
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writer.WriteAttribute("href", Page.ClientScript.GetPostBackClientHyperlink(Control, "Page$" + strPage, true));
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Write(strPage);
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writer.WriteEndTag("a");
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}
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}
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if (bExceededPageButtonCount && (iEnd < DataItemCount))
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{
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writer.WriteBeginTag("a");
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writer.WriteAttribute("class", _classOtherPage);
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writer.WriteAttribute("href", Page.ClientScript.GetPostBackClientHyperlink(Control, "Page$" + (iEnd + 1).ToString(), true));
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Write("...");
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writer.WriteEndTag("a");
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}
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writer.Indent--;
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writer.WriteLine();
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writer.WriteEndTag("div");
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}
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}
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protected virtual void RegisterScripts()
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{
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}
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}
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}
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