/IZWebFileManager/Components/FileViewRender.cs

// Copyright (C) 2006 Igor Zelmanovich <izwebfilemanager@gmail.com>

//

// This program is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; either version 2 of the License, or

// (at your option) any later version.

//

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with this program; if not, write to the Free Software

// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



using System;

using System.Collections.Generic;

using System.Text;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.IO;

using System.Web;



namespace IZ.WebFileManager.Components

{

	abstract class FileViewRender

	{

		//protected SortMode sort;

		//protected SortDirection sortDirection;

		protected FileManagerController controller;

		protected FileView fileView;



		protected FileViewRender (FileView fileView) {

			this.fileView = fileView;

			this.controller = fileView.Controller;

			//this.sort = fileView.Sort;

			//this.sortDirection = fileView.SortDirection;

		}





		internal virtual void RenderBeginList (HtmlTextWriter output) {

		}

		internal virtual void RenderEndList (HtmlTextWriter output) {

		}



		internal virtual void RenderBeginGroup (HtmlTextWriter output, GroupInfo group) {

			output.AddStyleAttribute ("clear", "both");

			output.AddStyleAttribute (HtmlTextWriterStyle.Width, "100%");

			output.RenderBeginTag (HtmlTextWriterTag.Div);

			output.Write (HttpUtility.HtmlEncode (group.Name));

			output.RenderEndTag ();

		}

		internal virtual void RenderEndGroup (HtmlTextWriter output, GroupInfo group) {

		}



		//internal virtual void RenderUpDirectory(HtmlTextWriter output, System.IO.DirectoryInfo dir)

		//{

		//}

		internal virtual void RenderItem (HtmlTextWriter output, FileViewItem item) {

		}

		internal static FileViewRender GetRender (FileView fileView) {

			switch (fileView.View) {

			case FileViewRenderMode.Details:

				return new FileViewDetailsRender (fileView);

			case FileViewRenderMode.Icons:

				return new FileViewIconsRender (fileView);

			case FileViewRenderMode.Thumbnails:

				if (fileView.Controller.SupportThumbnails)

					return new FileViewThumbnailsRender (fileView);

				return new FileViewIconsRender (fileView);

			default:

				return new FileViewDetailsRender (fileView);

			}

		}



		protected void RenderItemName (HtmlTextWriter output, FileViewItem item) {

			if (fileView.UseLinkToOpenItem) {

				string href = item.IsDirectory ?

					"javascript:WFM_" + fileView.Controller.ClientID + ".OnExecuteCommand(WFM_" + fileView.ClientID + ",\'0:0\')" :

					(VirtualPathUtility.AppendTrailingSlash (fileView.CurrentDirectory.VirtualPath) + item.FileSystemInfo.Name);

				if (!item.IsDirectory && !String.IsNullOrEmpty (fileView.LinkToOpenItemTarget))

					output.AddAttribute (HtmlTextWriterAttribute.Target, fileView.LinkToOpenItemTarget);

				output.AddAttribute (HtmlTextWriterAttribute.Href, href, true);

				output.AddAttribute (HtmlTextWriterAttribute.Class, fileView.LinkToOpenItemClass);

				output.RenderBeginTag (HtmlTextWriterTag.A);

				output.Write (HttpUtility.HtmlEncode (item.Name));

				output.RenderEndTag ();

			}

			else {

				output.Write (HttpUtility.HtmlEncode (item.Name));

			}

		}

	}



	public enum FileViewRenderMode

	{

		Icons,

		Details,

		Thumbnails

	}



}