ArchiveMonthsList.cs :  » Bloggers » dasBlog » newtelligence » DasBlog » Web » Core » C# / CSharp Open Source

using System;
using System.Configuration;
using System.Collections;
using System.Collections.Specialized;
using System.Data;
using System.IO;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Xml.Serialization;
using newtelligence.DasBlog.Runtime;
using newtelligence.DasBlog.Web.Core;
using newtelligence.DasBlog.Util;
using System.ComponentModel;

namespace newtelligence.DasBlog.Web.Core{
  /// <summary>
  /// Summary description for ArchiveMonthsList.
  /// </summary>
  public class ArchiveMonthsList : System.Web.UI.WebControls.WebControl
  {
    private ArrayList _monthList;
    private StringDictionary _monthTable;
    private SharedBasePage _requestPage; 

    public ArchiveMonthsList()
    {
      this.Load += new EventHandler( this.ArchiveMonthList_Load);
    }

    void ArchiveMonthList_Load( object sender, EventArgs e )
    {
      DateTime[] daysWithEntries;
      _requestPage = this.Page as SharedBasePage;
      TimeZone timezone = null;
      if ( _requestPage.SiteConfig.AdjustDisplayTimeZone )
      {
        timezone = _requestPage.SiteConfig.GetConfiguredTimeZone();
      }
      else
      {
        timezone = new newtelligence.DasBlog.Util.UTCTimeZone();
      }
      daysWithEntries = _requestPage.DataService.GetDaysWithEntries(timezone);

      _monthTable = new StringDictionary();
      _monthList = new ArrayList();

      string languageFilter = Page.Request.Headers["Accept-Language"];
      foreach (DateTime date in daysWithEntries) 
      {
        if(date <= DateTime.UtcNow)
        {
          DateTime month = new DateTime(date.Year, date.Month, 1, 0, 0, 0);
          string monthKey = month.ToString("MMMM, yyyy");
          if (! _monthTable.ContainsKey(monthKey) ) 
          {
            EntryCollection entries = _requestPage.DataService.GetEntriesForMonth(month,timezone,languageFilter);
            if (entries != null)
            {
              _monthTable.Add(monthKey, entries.Count.ToString());
              _monthList.Add(month);
            }
          }
        }
      }

      _monthList.Sort();
      _monthList.Reverse();

    }
      
    protected override void Render(HtmlTextWriter writer)
    {
      HtmlGenericControl section = new HtmlGenericControl("div");
      section.Attributes["class"] = "archiveLinksContainerStyle";
      this.Controls.Add(section);
            
      Table list = new Table();
      list.CssClass = "archiveLinksTableStyle";
      section.Controls.Add(list);

      try
      {
        foreach (DateTime date in _monthList)
        {
          TableRow row = new TableRow();
          TableCell cell = new TableCell();
          //cell.CssClass ="archiveLinksCellStyle";
          list.Rows.Add(row);
          row.Cells.Add(cell);

          HyperLink monthLink = new HyperLink();
          //monthLink.CssClass = "archiveLinksLinkStyle";
          string monthKey = date.ToString("MMMM, yyyy");
          monthLink.Text = monthKey +" (" + _monthTable[monthKey] +")";
          monthLink.NavigateUrl = SiteUtilities.GetMonthViewUrl(_requestPage.SiteConfig, date);
          cell.Controls.Add(monthLink);
        }
      }
      catch( Exception exc )
      {
        ErrorTrace.Trace(System.Diagnostics.TraceLevel.Error,exc);
        section.Controls.Add(new LiteralControl("There was an error generating archive list<br />"));
      }

      section.RenderControl( writer );
    }

  
  }
}