gallerypicturesrsswriter.cs

本系统是在asp版《在线文件管理器》的基础上设计制作

//------------------------------------------------------------------------------
// <copyright company="Telligent Systems">
//     Copyright (c) Telligent Systems Corporation.  All rights reserved.
// </copyright> 
//------------------------------------------------------------------------------

using System.Collections;
using CommunityServer.Components;

namespace CommunityServer.Galleries.Components
{
	/// <summary>
	/// Generates an XML feed by a specific category
	/// </summary>
	public class GalleryPicturesRssWriter : BaseRssWriter
	{
		public GalleryPicturesRssWriter(ArrayList posts, Gallery gallery, string baseUrl) : base(posts, gallery, baseUrl)
		{
			Category = null;
		}
		public GalleryPicturesRssWriter(ArrayList posts, Gallery gallery, string baseUrl, PostCategory category) : base(posts, gallery, baseUrl)
		{
			Category = category;
		}

		/// <summary>
		/// Appends the CategoryName to Title element
		/// </summary>
		protected override string Title
		{
			get
			{
				if(Category != null)
					return base.Title + " : " + Category.Name;
				else
					return base.Title;
			}
		}


		protected PostCategory Category = null;

		protected Gallery CurrentGallery
		{
			get { return CurrentSection as Gallery; }
		}

		protected override bool AllowComments
		{
			get
			{
				return base.AllowComments; // && CurrentWeblog.EnableComments;
			}
		}

		protected override string BuildLink(Post p)
		{
			if(Category != null)
				return GalleryUrls.Instance().ViewPicture(CurrentSection.ApplicationKey, Category.CategoryID, p as Picture);
			else
				return GalleryUrls.Instance().ViewPicture(CurrentSection.ApplicationKey, p as Picture);
		}

		protected override void PostBody(Post p)
		{
			string description = "<div><a href='";

			if(Category != null)
				description += GalleryUrls.Instance().ViewPicture(CurrentSection.ApplicationKey, Category.CategoryID, p as Picture);
			else
				description += GalleryUrls.Instance().ViewPicture(CurrentSection.ApplicationKey, p as Picture);
			description += "'><img src='";
			description += GalleryUrls.Instance().PictureUrl(CurrentSection.ApplicationKey, p.PostID, GalleryImageType.Thumbnail);
			description += "' alt='" + p.Subject + "' border='0'></a></div>";

			description += p.FormattedBody;
			this.WriteElementString("description", description);
		}

		protected override void WriteChannel()
		{
			if(Category != null)
				BuildChannel(GalleryUrls.Instance().ViewCategory(CurrentSection.ApplicationKey, Category.CategoryID), Category.Description);
			else
                BuildChannel(GalleryUrls.Instance().ViewGallery(CurrentSection.ApplicationKey), CurrentGallery.Description);
		}

	}
}