/Wiki/ScrewTurnWiki/Admin.aspx.cs

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Collections.Generic;

using System.Globalization;

using System.IO;

using System.Text.RegularExpressions;

using System.Threading;

using System.Web;

using System.Web.Configuration;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Net;

using ScrewTurn.Wiki.PluginFramework;

using System.Text;



namespace ScrewTurn.Wiki {



	public partial class Admin : BasePage {



		#region ViewStateCompression



		protected override object LoadPageStateFromPersistenceMedium() {

			if(Settings.EnableViewStateCompression) {

				string viewState = Request.Form["__VSTATE"];

				byte[] bytes = Convert.FromBase64String(viewState);

				bytes = Compressor.Decompress(bytes);

				LosFormatter formatter = new LosFormatter();

				return formatter.Deserialize(Convert.ToBase64String(bytes));

			}

			else {

				return base.LoadPageStateFromPersistenceMedium();

			}

		}



		protected override void SavePageStateToPersistenceMedium(object viewState) {

			if(Settings.EnableViewStateCompression) {

				LosFormatter formatter = new LosFormatter();

				StringWriter writer = new StringWriter();

				formatter.Serialize(writer, viewState);

				string viewStateString = writer.ToString();

				byte[] bytes = Convert.FromBase64String(viewStateString);

				bytes = Compressor.Compress(bytes);

				ClientScript.RegisterHiddenField("__VSTATE", Convert.ToBase64String(bytes));

			}

			else {

				base.SavePageStateToPersistenceMedium(viewState);

			}

		}



		#endregion



		#region Initialization



		protected void Page_Load(object sender, EventArgs e) {

			Page.Title = Resources.Messages.AdminTitle + " - " + Settings.WikiTitle;



			if(!string.IsNullOrEmpty(Request.UserAgent) && Request.UserAgent.ToLowerInvariant().Contains("konqueror") ||

				Request.UserAgent.ToLowerInvariant().Contains("safari")) {

				lblBrowserSupport.Visible = true;

			}



			if(SessionFacade.LoginKey == null) {

				Response.Redirect("Login.aspx?Redirect=Admin.aspx" + (Request["ActivationMode"] != null ? Tools.UrlEncode("?ActivationMode=1") : ""));

			}



			if(!SessionFacade.Admin) {

				Response.Redirect("AccessDenied.aspx");

			}



			if(!SessionFacade.Username.Equals("admin") && !Settings.ConfigVisibleToAdmins) {

				btnSelectConfig.Visible = false;

			}

			else if(!SessionFacade.Username.Equals("admin")) {

				chkConfigVisibleToAdmins.Enabled = false;

			}



			if(!Page.IsPostBack) {

				if(SessionFacade.AdminView >= 0) {

					mlvAdmin.ActiveViewIndex = SessionFacade.AdminView;

				}

				else {

					mlvAdmin.ActiveViewIndex = 9;

					SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

				}

				if(Request["ActivationMode"] != null) {

					mlvAdmin.ActiveViewIndex = 0;

					SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

					chkViewActive.Checked = false;

				}

				PrintFileEditing();

				PrintSystemStatus();

				PrintDateTimeFormats();

				PrintStrings();

				SetupButtons();

				LoadUsers();

				LoadPages(true);

				LoadConfig();

				LoadSnippets();

				LoadCategories();

				LoadNavPaths();

				LoadProviders();

				LoadDlls();

				LoadRegExp();

				LoadValidationLocalizations();

			}



		}



		private void LoadUsers() {

			Users users = Users.Instance;

			lstUsers.Items.Clear();

			for(int i = 0; i < users.AllUsers.Count; i++) {

				if(users.AllUsers[i].Admin) {

					if(chkViewAdmins.Checked) {

						if(users.AllUsers[i].Active) {

							if(chkViewActive.Checked) {

								lstUsers.Items.Add(new ListItem(PrintUser(users.AllUsers[i]), users.AllUsers[i].Username));

							}

						}

						else {

							if(chkViewInactive.Checked) {

								lstUsers.Items.Add(new ListItem(PrintUser(users.AllUsers[i]), users.AllUsers[i].Username));

							}

						}

					}

				}

				else {

					if(chkViewUsers.Checked) {

						if(users.AllUsers[i].Active) {

							if(chkViewActive.Checked) {

								lstUsers.Items.Add(new ListItem(PrintUser(users.AllUsers[i]), users.AllUsers[i].Username));

							}

						}

						else {

							if(chkViewInactive.Checked) {

								lstUsers.Items.Add(new ListItem(PrintUser(users.AllUsers[i]), users.AllUsers[i].Username));

							}

						}

					}

				}

			}

		}



		private string PrintUser(UserInfo user) {

			string shift = "";

			if(Request.Cookies[Settings.CultureCookieName] != null) shift = Request.Cookies[Settings.CultureCookieName]["T"];



			string displayName = user.ToString();

			if(displayName.Contains(user.GetType().ToString()) || string.IsNullOrEmpty(displayName)) displayName = user.Username;

			StringBuilder sb = new StringBuilder(displayName);

			if(displayName != user.Username) sb.AppendFormat(" ({0})", user.Username);

			if(!user.Active) sb.Append(", Inactive");

			if(user.Admin) sb.Append(", Admin");

			sb.AppendFormat(" ({0})", user.Email);

			sb.AppendFormat(" [{0}]", user.Provider.Information.Name);

			sb.AppendFormat(" {0}", Tools.AlignWithPreferences(user.DateTime, shift).ToString(Settings.DateTimeFormat));

			return sb.ToString();

		}



		private void LoadPages(bool cleanBackupList) {

			Pages pages = Pages.Instance;

			lstPages.Items.Clear();

			for(int i = 0; i < pages.AllPages.Count; i++) {

				if(pages.AllPages[i].Status == PageStatus.Locked) {

					if(chkViewLocked.Checked) {

						lstPages.Items.Add(new ListItem(pages.AllPages[i].ToString(), pages.AllPages[i].Name));

					}

				}

				else if(pages.AllPages[i].Status == PageStatus.Public) {

					if(chkViewPublic.Checked) {

						lstPages.Items.Add(new ListItem(pages.AllPages[i].ToString(), pages.AllPages[i].Name));

					}

				}

				else {

					if(chkViewNormal.Checked) {

						lstPages.Items.Add(new ListItem(pages.AllPages[i].ToString(), pages.AllPages[i].Name));

					}

				}

			}

			if(cleanBackupList) {

				lstPageBackups.Items.Clear();

				lstPageBackups.Items.Add(new ListItem(" --- ", ""));

				btnDeleteAllBackups.Enabled = false;

				btnDeleteOlderBackups.Enabled = false;

				btnRollback.Enabled = false;

			}

		}



		private void LoadConfig() {

			txtWikiTitle.Text = Settings.WikiTitle;

			txtMainUrl.Text = Settings.MainUrl;



			string[] themes = Tools.AvailableThemes;

			lstTheme.Items.Clear();

			for(int i = 0; i < themes.Length; i++) {

				lstTheme.Items.Add(new ListItem(themes[i], themes[i]));

				if(lstTheme.Items[i].Value.Equals(Settings.Theme)) {

					lstTheme.Items[i].Selected = true;

				}

			}



			txtContactEmail.Text = Settings.ContactEmail;

			txtSenderEmail.Text = Settings.SenderEmail;

			txtSmtpServer.Text = Settings.SmtpServer;

			txtSmtpUsername.Text = Settings.SmtpUsername;

			//txtSmtpPassword.Text = Settings.SmtpPassword; // This is not rendered by ASP.NET, use "value" attribute instead

			txtSmtpPassword.Attributes.Add("value", Settings.SmtpPassword);

			txtSmtpPort.Text = Settings.SmtpPort != -1 ? Settings.SmtpPort.ToString() : "";

			chkSmtpSsl.Checked = Settings.SmtpSsl;



			lstDefaultPage.Items.Clear();

			Pages pages = Pages.Instance;

			bool sel = false; // Select only ONE page

			for(int i = 0; i < pages.AllPages.Count; i++) {

				lstDefaultPage.Items.Add(new ListItem(pages.AllPages[i].Name, pages.AllPages[i].Name));

				if(!sel && lstDefaultPage.Items[i].Value.Equals(Settings.DefaultPage)) {

					sel = true;

					lstDefaultPage.Items[i].Selected = true;

				}

			}



			chkEnableDoubleClickEditing.Checked = Settings.EnableDoubleClickEditing;

			chkDisableBreadcrumbsTrail.Checked = Settings.DisableBreadcrumbsTrail;

			chkProcessSingleLineBreaks.Checked = Settings.ProcessSingleLineBreaks;



			// This feature is currently DISABLED

			//if(Settings.KeptBackupNumber >= 0) txtKeptBackupsNumber.Text = Settings.KeptBackupNumber.ToString();

			//else txtKeptBackupsNumber.Text = "";



			txtDateTimeFormat.Text = Settings.DateTimeFormat;



			lstDefaultLanguage.Items.Clear();

			lstDefaultLanguage.Items.Add(new ListItem("English", "en-US"));

			for(int i = 0; i < Tools.AvailableCultures.Length; i++) {

				lstDefaultLanguage.Items.Add(new ListItem(Tools.AvailableCultures[i].Split('|')[1], Tools.AvailableCultures[i].Split('|')[0]));

			}

			for(int i = 0; i < lstDefaultLanguage.Items.Count; i++) {

				lstDefaultLanguage.Items[i].Selected = false;

				if(lstDefaultLanguage.Items[i].Value.Equals(Settings.DefaultLanguage)) {

					lstDefaultLanguage.Items[i].Selected = true;

					break;

				}

			}



			for(int i = 0; i < lstDefaultTimezone.Items.Count; i++) {

				lstDefaultTimezone.Items[i].Selected = false;

				if(lstDefaultTimezone.Items[i].Value.Equals(Settings.DefaultTimezone)) {

					lstDefaultTimezone.Items[i].Selected = true;

					break;

				}

			}



			chkUsersCanRegister.Checked = Settings.UsersCanRegister;

			for(int i = 0; i < lstAccountActivationMode.Items.Count; i++) {

				lstAccountActivationMode.Items[i].Selected = false;

				if(lstAccountActivationMode.Items[i].Value.Equals(Settings.AccountActivationMode)) {

					lstAccountActivationMode.Items[i].Selected = true;

					break;

				}

			}

			chkDisableCaptchaControl.Checked = Settings.DisableCaptchaControl;



			for(int i = 0; i < lstDiscussionPermissions.Items.Count; i++) {

				lstDiscussionPermissions.Items[i].Selected = false;

				if(lstDiscussionPermissions.Items[i].Value.ToLowerInvariant().Equals(Settings.DiscussionPermissions.ToLowerInvariant())) {

					lstDiscussionPermissions.Items[i].Selected = true;

					break;

				}

			}



			chkUsersCanCreateNewPages.Checked = Settings.UsersCanCreateNewPages;

			chkUsersCanCreateNewCategories.Checked = Settings.UsersCanCreateNewCategories;

			chkUsersCanManagePageCategories.Checked = Settings.UsersCanManagePageCategories;

			chkUsersCanViewFiles.Checked = Settings.UsersCanViewFiles;

			if(Settings.UsersCanViewFiles) {

				chkUsersCanUploadFiles.Checked = Settings.UsersCanUploadFiles;

				chkUsersCanDeleteFiles.Checked = Settings.UsersCanDeleteFiles;

				chkUsersCanUploadFiles.Enabled = true;

				chkUsersCanDeleteFiles.Enabled = true;

			}

			else {

				chkUsersCanUploadFiles.Checked = false;

				chkUsersCanDeleteFiles.Checked = false;

				chkUsersCanUploadFiles.Enabled = false;

				chkUsersCanDeleteFiles.Enabled = false;

			}

			chkPrivateAccess.Checked = Settings.PrivateAccess;

			if(Settings.PrivateAccess) {

				chkPublicAccess.Enabled = false;

				chkPublicAccess.Checked = false;

				chkFileManagementInPublicAccessAllowed.Enabled = false;

				chkFileManagementInPublicAccessAllowed.Checked = false;

			}

			else {

				if(Settings.PublicAccess) {

					chkPrivateAccess.Enabled = false;

					chkPrivateAccess.Checked = false;

					chkPublicAccess.Enabled = true;

					chkPublicAccess.Checked = true;

					chkFileManagementInPublicAccessAllowed.Enabled = true;

					chkFileManagementInPublicAccessAllowed.Checked = Settings.FileManagementInPublicAccessAllowed;

				}

				else {

					chkPrivateAccess.Enabled = true;

					chkPrivateAccess.Checked = false;

					chkPublicAccess.Enabled = true;

					chkPublicAccess.Checked = false;

					chkFileManagementInPublicAccessAllowed.Enabled = false;

					chkFileManagementInPublicAccessAllowed.Checked = false;

				}

			}



			chkDisableConcurrentEditing.Checked = Settings.DisableConcurrentEditing;



			txtAllowedFileTypes.Text = "";

			string[] aft = Settings.AllowedFileTypes;

			for(int i = 0; i < aft.Length; i++) {

				txtAllowedFileTypes.Text += aft[i];

				if(i != aft.Length - 1) txtAllowedFileTypes.Text += ", ";

			}



			chkScriptTagsAllowed.Checked = Settings.ScriptTagsAllowed;

			lstLoggingLevel.SelectedIndex = 3 - Settings.LoggingLevel;

			txtMaxLogSize.Text = Settings.MaxLogSize.ToString();

			chkConfigVisibleToAdmins.Checked = Settings.ConfigVisibleToAdmins;



			// Advanced Options

			chkDisableAutomaticVersionCheck.Checked = Settings.DisableAutomaticVersionCheck;

			txtMaxFileSize.Text = Settings.MaxFileSize.ToString();

			txtCacheSize.Text = Settings.CacheSize.ToString();

			txtCacheCutSize.Text = Settings.CacheCutSize.ToString();

			chkDisableCache.Checked = Settings.DisableCache;

			txtCacheSize.Enabled = !Settings.DisableCache;

			txtCacheCutSize.Enabled = !Settings.DisableCache;

			txtFileAccessTries.Text = Settings.FileAccessTries.ToString();

			txtFileAccessTryDelay.Text = Settings.FileAccessTryDelay.ToString();

			chkEnableViewStateCompression.Checked = Settings.EnableViewStateCompression;

			chkEnableHttpCompression.Checked = Settings.EnableHttpCompression;

			txtUsernameRegex.Text = Settings.UsernameRegex;

			txtPasswordRegex.Text = Settings.PasswordRegex;

		}



		public void PrintSystemStatus() {

			StringBuilder sb = new StringBuilder();

			sb.Append(Resources.Messages.OnlineUsers + ": <b>" + Users.OnlineUsers.ToString() + "</b><br />" + "\n");

			int inactive = 0;

			for(int i = 0; i < Users.Instance.AllUsers.Count; i++) {

				if(!Users.Instance.AllUsers[i].Active) inactive++;

			}

			sb.Append(Resources.Messages.UserCount + ": <b>" + Users.Instance.AllUsers.Count.ToString() + "</b> (" + inactive.ToString() + " " + Resources.Messages.InactiveUsers + ")<br />" + "\n");

			sb.Append(Resources.Messages.CachedPages + ": <b>" + Content.CacheUsage + "/" + Pages.Instance.AllPages.Count.ToString() + "</b><br />" + "\n");

			sb.Append(Resources.Messages.WikiVersion + ": <b>" + Settings.WikiVersion + "</b>" + "\n");

			if(!Page.IsPostBack) {

				sb.Append(CheckVersion());

			}

			sb.Append("<br />");

			sb.Append(Resources.Messages.ServerUptime + ": <b>" + Tools.TimeSpanToString(Tools.SystemUptime) + "</b> (" + Resources.Messages.MayBeInaccurate + ")");



			lblSystemStatusContent.Text = sb.ToString();

		}



		private string CheckVersion() {

			if(Settings.DisableAutomaticVersionCheck) return "";

			StringBuilder sb = new StringBuilder();

			sb.Append("(");

			HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://www.screwturn.eu/Version/Wiki/2.htm");

			try {

				HttpWebResponse res = (HttpWebResponse)req.GetResponse();

				StreamReader sr = new StreamReader(res.GetResponseStream());

				string ver = sr.ReadToEnd();

				sr.Close();

				string[] versions = ver.Split('|');

				bool upToDate = false;

				for(int i = 0; i < versions.Length; i++) {

					ver = versions[i];

					if(versions[i].Equals(Settings.WikiVersion)) {

						if(i == versions.Length - 1) upToDate = true;

						else upToDate = false;

						ver = versions[versions.Length - 1];

						break;

					}

				}

				if(!upToDate) {

					sb.Append(@"<span style=""color: #009900;"">" + Resources.Messages.NewVersionFound + ": <b>" + ver + "</b></span>");

				}

				else {

					sb.Append(@"<span style=""color: #009900;"">" + Resources.Messages.WikiUpToDate + "</span>");

				}

			}

			catch {

				sb.Append(@"<span style=""color: #FF0000;"">" + Resources.Messages.VersionCheckError + "</span>");

			}

			sb.Append(")");

			return sb.ToString();

		}



		public void PrintFileEditing() {

			StringBuilder sb = new StringBuilder();



			sb.Append("<ul>" + "\n");



			// Files that can be edited are specified in Settings.EditableFiles



			FileInfo fileInfo;



			fileInfo = new FileInfo(Settings.HeaderFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.HeaderFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>" + "\n");



			fileInfo = new FileInfo(Settings.SidebarFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.SidebarFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>" + "\n");



			fileInfo = new FileInfo(Settings.FooterFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.FooterFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>" + "\n");



			fileInfo = new FileInfo(Settings.AccountActivationMessageFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.AccountActivationMessageFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>" + "\n");



			fileInfo = new FileInfo(Settings.PasswordResetMessageFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.PasswordResetMessageFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>" + "\n");



			fileInfo = new FileInfo(Settings.EditNoticeFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.EditNoticeFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>" + "\n");



			fileInfo = new FileInfo(Settings.LoginNoticeFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.LoginNoticeFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>");



			fileInfo = new FileInfo(Settings.HtmlHeadFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.HtmlHeadFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>" + "\n");



			fileInfo = new FileInfo(Settings.PageHeaderFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.PageHeaderFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>");



			fileInfo = new FileInfo(Settings.PageFooterFile);

			sb.Append("<li>");

			sb.Append("<b>" + Resources.Messages.PageFooterFile + "</b> (" + Tools.BytesToString(fileInfo.Length) + @") - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=View"">" + Resources.Messages.View + @"</a> - <a href=""Edit.aspx?File=" + fileInfo.Name + @"&amp;Action=Edit"">" + Resources.Messages.Edit + @"</a>");

			sb.Append("</li>");



			sb.Append("</ul>" + "\n");



			lblFileEditingContent.Text = sb.ToString();

		}



		private void LoadSnippets() {

			lstSnippets.Items.Clear();

			for(int i = 0; i < Snippets.Instance.AllSnippets.Count; i++) {

				lstSnippets.Items.Add(new ListItem(Snippets.Instance.AllSnippets[i].Name + " [" + Snippets.Instance.AllSnippets[i].Provider.Information.Name + "]", Snippets.Instance.AllSnippets[i].Name));

			}

		}



		private void LoadCategories() {

			lstCategories.Items.Clear();

			lstMergeCategory.Items.Clear();

			lstMergeCategory.Enabled = false;

			for(int i = 0; i < Pages.Instance.AllCategories.Count; i++) {

				lstCategories.Items.Add(new ListItem(Pages.Instance.AllCategories[i].Name + " (" + Pages.Instance.AllCategories[i].Pages.Length.ToString() + ") [" + Pages.Instance.AllCategories[i].Provider.Information.Name + "]", Pages.Instance.AllCategories[i].Name));

			}

		}



		private void LoadNavPaths() {

			lstNavPaths.Items.Clear();

			for(int i = 0; i < NavigationPaths.Instance.Paths.Count; i++) {

				string pages = "";

				for(int k = 0; k < NavigationPaths.Instance.Paths[i].Pages.Count; k++) {

					pages += NavigationPaths.Instance.Paths[i].Pages[k];

					if(k != NavigationPaths.Instance.Paths[i].Pages.Count - 1) pages += ", ";

				}

				lstNavPaths.Items.Add(new ListItem(NavigationPaths.Instance.Paths[i].Name + " - " + pages + " [" + NavigationPaths.Instance.Paths[i].Provider.Information.Name + "]", NavigationPaths.Instance.Paths[i].Name));

			}

		}



		private void LoadProviders() {

			lstProviders.Items.Clear();

			lstDefaultPagesProvider.Items.Clear();

			lstCategoryProvider.Items.Clear();

			lstDefaultUsersProvider.Items.Clear();

			lstUserProvider.Items.Clear();

			lstNavPathProvider.Items.Clear();

			lstSnippetProvider.Items.Clear();

			lstPagesProviderFrom.Items.Clear();

			lstUsersProviderFrom.Items.Clear();



			string pd = Settings.DefaultPagesProvider;

			string ud = Settings.DefaultUsersProvider;



			int count = 0;



			lstPagesProviderFrom.Items.Add(new ListItem("", "-"));

			IPagesStorageProvider[] pgs = Collectors.PagesProviderCollector.AllProviders;

			for(int i = 0; i < pgs.Length; i++) {

				lstProviders.Items.Add(new ListItem("[P] " + pgs[i].Information.Name, "[P]" + pgs[i].GetType().ToString()));

				lstPagesProviderFrom.Items.Add(new ListItem(pgs[i].Information.Name, pgs[i].GetType().ToString()));

				if(!pgs[i].ReadOnly) {

					lstDefaultPagesProvider.Items.Add(new ListItem(pgs[i].Information.Name, pgs[i].GetType().ToString()));

					lstCategoryProvider.Items.Add(new ListItem(pgs[i].Information.Name, pgs[i].GetType().ToString()));

					lstNavPathProvider.Items.Add(new ListItem(pgs[i].Information.Name, pgs[i].GetType().ToString()));

					lstSnippetProvider.Items.Add(new ListItem(pgs[i].Information.Name, pgs[i].GetType().ToString()));

					if(pgs[i].GetType().ToString().Equals(pd)) {

						lstDefaultPagesProvider.Items[count].Selected = true;

						lstCategoryProvider.Items[count].Selected = true;

						lstNavPathProvider.Items[count].Selected = true;

						lstSnippetProvider.Items[count].Selected = true;

					}

					count++;

				}

			}



			count = 0;



			lstUsersProviderFrom.Items.Add(new ListItem("", "-"));

			IUsersStorageProvider[] urs = Collectors.UsersProviderCollector.AllProviders;

			for(int i = 0; i < urs.Length; i++) {

				lstProviders.Items.Add(new ListItem("[U] " + urs[i].Information.Name, "[U]" + urs[i].GetType().ToString()));

				lstUsersProviderFrom.Items.Add(new ListItem(urs[i].Information.Name, urs[i].GetType().ToString()));

				if(!urs[i].ReadOnly) {

					lstDefaultUsersProvider.Items.Add(new ListItem(urs[i].Information.Name, urs[i].GetType().ToString()));

					lstUserProvider.Items.Add(new ListItem(urs[i].Information.Name, urs[i].GetType().ToString()));

					if(urs[i].GetType().ToString().Equals(ud)) {

						lstDefaultUsersProvider.Items[count].Selected = true;

						lstUserProvider.Items[count].Selected = true;

					}

					count++;

				}

			}



			IFormatterProvider[] frs = Collectors.FormatterProviderCollector.AllProviders;

			for(int i = 0; i < frs.Length; i++) {

				lstProviders.Items.Add(new ListItem("[F] " + frs[i].Information.Name, "[F]" + frs[i].GetType().ToString()));

			}



			pgs = Collectors.DisabledPagesProviderCollector.AllProviders;

			for(int i = 0; i < pgs.Length; i++) {

				lstProviders.Items.Add(new ListItem("[P] " + pgs[i].Information.Name + " - " + Resources.Messages.Disabled, "[P]" + pgs[i].GetType().ToString()));

			}



			urs = Collectors.DisabledUsersProviderCollector.AllProviders;

			for(int i = 0; i < urs.Length; i++) {

				lstProviders.Items.Add(new ListItem("[U] " + urs[i].Information.Name + " - " + Resources.Messages.Disabled, "[U]" + urs[i].GetType().ToString()));

			}



			frs = Collectors.DisabledFormatterProviderCollector.AllProviders;

			for(int i = 0; i < frs.Length; i++) {

				lstProviders.Items.Add(new ListItem("[F] " + frs[i].Information.Name + " - " + Resources.Messages.Disabled, "[F]" + frs[i].GetType().ToString()));

			}

		}



		private void LoadDlls() {

			string[] files = Directory.GetFiles(Settings.PluginsDirectory, "*.dll");

			lstDlls.Items.Clear();

			for(int i = 0; i < files.Length; i++) {

				lstDlls.Items.Add(new ListItem(Path.GetFileName(files[i]), Path.GetFileName(files[i])));

			}

		}



		private void LoadRegExp() {

			// Load RegExp's from Web.Config



			//User 

			rxvEmail.ValidationExpression = Settings.EmailRegex;

			rxvUserName.ValidationExpression = Settings.UsernameRegex;

			rxvPassword1.ValidationExpression = Settings.PasswordRegex;



			//Config

			rxvWikiTitle.ValidationExpression = Settings.WikiTitleRegex;

			rxvMainUrl.ValidationExpression = Settings.MainUrlRegex;

			rxvContactEmail.ValidationExpression = Settings.EmailRegex;

			rxvSenderEmail.ValidationExpression = Settings.EmailRegex;

			rxvSmtpServer.ValidationExpression = Settings.SmtpServerRegex;



		}



		private void LoadValidationLocalizations() {

			string image = @"<img src=""Images/InputError.png"" alt=""Error"" />";



			// User validators

			rfvUsername.ErrorMessage = Resources.Messages.RequiredField;

			rfvUsername.ToolTip = Resources.Messages.RequiredField;

			rfvUsername.Text = image;

			rfvEmail.ErrorMessage = Resources.Messages.RequiredField;

			rfvEmail.ToolTip = Resources.Messages.RequiredField;

			rfvEmail.Text = image;

			rfvPassword1.ErrorMessage = Resources.Messages.RequiredField;

			rfvPassword1.ToolTip = Resources.Messages.RequiredField;

			rfvPassword1.Text = image;

			rfvPassword2.ErrorMessage = Resources.Messages.RequiredField;

			rfvPassword2.ToolTip = Resources.Messages.RequiredField;

			rfvPassword2.Text = image;



			rxvUserName.ErrorMessage = Resources.Messages.InvalidUsername;

			rxvUserName.ToolTip = Resources.Messages.InvalidUsername;

			rxvUserName.Text = image;

			rxvEmail.ErrorMessage = Resources.Messages.InvalidEmail;

			rxvEmail.ToolTip = Resources.Messages.InvalidEmail;

			rxvEmail.Text = image;

			rxvPassword1.ErrorMessage = Resources.Messages.InvalidPassword;

			rxvPassword1.ToolTip = Resources.Messages.InvalidPassword;

			rxvPassword1.Text = image;



			cvUsername.ErrorMessage = Resources.Messages.UsernameAlreadyExists;

			cvUsername.ToolTip = Resources.Messages.UsernameAlreadyExists;

			cvUsername.Text = image;

			cvPassword1.ErrorMessage = Resources.Messages.PasswordsNotEqual;

			cvPassword1.ToolTip = Resources.Messages.PasswordsNotEqual;

			cvPassword1.Text = image;

			cvPassword2.ErrorMessage = Resources.Messages.PasswordsNotEqual;

			cvPassword2.ToolTip = Resources.Messages.PasswordsNotEqual;

			cvPassword2.Text = image;



			// Config Validators

			// General

			rfvWikiTitle.ErrorMessage = Resources.Messages.RequiredField;

			rfvWikiTitle.ToolTip = Resources.Messages.RequiredField;

			rfvWikiTitle.Text = image;

			rfvMainUrl.ErrorMessage = Resources.Messages.RequiredField;

			rfvMainUrl.ToolTip = Resources.Messages.RequiredField;

			rfvMainUrl.Text = image;

			rfvContactEmail.ErrorMessage = Resources.Messages.RequiredField;

			rfvContactEmail.ToolTip = Resources.Messages.RequiredField;

			rfvContactEmail.Text = image;

			rfvSenderEmail.ErrorMessage = Resources.Messages.RequiredField;

			rfvSenderEmail.ToolTip = Resources.Messages.RequiredField;

			rfvSenderEmail.Text = image;

			rfvSmtpServer.ErrorMessage = Resources.Messages.RequiredField;

			rfvSmtpServer.ToolTip = Resources.Messages.RequiredField;

			rfvSmtpServer.Text = image;

			cvSmtpAuth.ErrorMessage = Resources.Messages.UsernameIsRequired;

			cvSmtpAuth.ToolTip = Resources.Messages.UsernameIsRequired;

			cvSmtpAuth.Text = image;

			rvSmtpPort.ErrorMessage = Resources.Messages.InvalidPort;

			rvSmtpPort.ToolTip = Resources.Messages.InvalidPort;

			rvSmtpPort.Text = image;



			rxvWikiTitle.ErrorMessage = Resources.Messages.InvalidWikiTitle;

			rxvWikiTitle.ToolTip = Resources.Messages.InvalidWikiTitle;

			rxvWikiTitle.Text = image;

			rxvMainUrl.ErrorMessage = Resources.Messages.InvalidMainUrl;

			rxvMainUrl.ToolTip = Resources.Messages.InvalidMainUrl;

			rxvMainUrl.Text = image;

			rxvContactEmail.ErrorMessage = Resources.Messages.InvalidContactEmail;

			rxvContactEmail.ToolTip = Resources.Messages.InvalidContactEmail;

			rxvContactEmail.Text = image;

			rxvSenderEmail.ErrorMessage = Resources.Messages.InvalidSenderEmail;

			rxvSenderEmail.ToolTip = Resources.Messages.InvalidSenderEmail;

			rxvSenderEmail.Text = image;

			rxvSmtpServer.ErrorMessage = Resources.Messages.InvalidSmtpServer;

			rxvSmtpServer.ToolTip = Resources.Messages.InvalidSmtpServer;

			rxvSmtpServer.Text = image;

			//rvKeptBackupsNumber.ErrorMessage = Resources.Messages.InvalidBackupNumber;

			//rvKeptBackupsNumber.ToolTip = Resources.Messages.InvalidBackupNumber;

			//rvKeptBackupsNumber.Text = image;

			rfvDateTimeFormat.ErrorMessage = Resources.Messages.RequiredField;

			rfvDateTimeFormat.ToolTip = Resources.Messages.RequiredField;

			rfvDateTimeFormat.Text = image;

			cvDateTimeFormat.ErrorMessage = Resources.Messages.InvalidDateTimeFormat;

			cvDateTimeFormat.ToolTip = Resources.Messages.InvalidDateTimeFormat;

			cvDateTimeFormat.Text = image;



			rfvMaxLogSize.ErrorMessage = Resources.Messages.RequiredField;

			rfvMaxLogSize.ToolTip = Resources.Messages.RequiredField;

			rfvMaxLogSize.Text = image;

			rvMaxLogSize.ErrorMessage = Resources.Messages.InvalidMaxLogSize;

			rvMaxLogSize.ToolTip = Resources.Messages.InvalidMaxLogSize;

			rvMaxLogSize.Text = image;



			// Advanced

			rfvMaxFileSize.ErrorMessage = Resources.Messages.RequiredField;

			rfvMaxFileSize.ToolTip = Resources.Messages.RequiredField;

			rfvMaxFileSize.Text = image;

			rfvCacheSize.ErrorMessage = Resources.Messages.RequiredField;

			rfvCacheSize.ToolTip = Resources.Messages.RequiredField;

			rfvCacheSize.Text = image;

			rfvCacheCutSize.ErrorMessage = Resources.Messages.RequiredField;

			rfvCacheCutSize.ToolTip = Resources.Messages.RequiredField;

			rfvCacheCutSize.Text = image;

			rfvFileAccessTries.ErrorMessage = Resources.Messages.RequiredField;

			rfvFileAccessTries.ToolTip = Resources.Messages.RequiredField;

			rfvFileAccessTries.Text = image;

			rfvFileAccessTryDelay.ErrorMessage = Resources.Messages.RequiredField;

			rfvFileAccessTryDelay.ToolTip = Resources.Messages.RequiredField;

			rfvFileAccessTryDelay.Text = image;



			rvMaxFileSize.ErrorMessage = Resources.Messages.InvalidMaxFileSize;

			rvMaxFileSize.ToolTip = Resources.Messages.InvalidMaxFileSize;

			rvMaxFileSize.Text = image;

			rvCacheSize.ErrorMessage = Resources.Messages.InvalidCacheSize;

			rvCacheSize.ToolTip = Resources.Messages.InvalidCacheSize;

			rvCacheSize.Text = image;

			rvCacheCutSize.ErrorMessage = Resources.Messages.InvalidCacheCutSize;

			rvCacheCutSize.ToolTip = Resources.Messages.InvalidCacheCutSize;

			rvCacheCutSize.Text = image;

			rvFileAccessTries.ErrorMessage = Resources.Messages.InvalidFileAccessTries;

			rvFileAccessTries.ToolTip = Resources.Messages.InvalidFileAccessTries;

			rvFileAccessTries.Text = image;

			rvFileAccessTryDelay.ErrorMessage = Resources.Messages.InvalidFileAccessTryDelay;

			rvFileAccessTryDelay.ToolTip = Resources.Messages.InvalidFileAccessTryDelay;

			rvFileAccessTryDelay.Text = image;



			cmpvCacheCutSize.ErrorMessage = Resources.Messages.InvalidCacheCutSize;

			cmpvCacheCutSize.ToolTip = Resources.Messages.InvalidCacheCutSize;

			cmpvCacheCutSize.Text = image;

		}



		#endregion



		#region Users



		protected void chkViewUsers_CheckedChanged(object sender, EventArgs e) {

			LoadUsers();

		}



		protected void chkViewAdmins_CheckedChanged(object sender, EventArgs e) {

			LoadUsers();

		}



		protected void chkViewActive_CheckedChanged(object sender, EventArgs e) {

			LoadUsers();

		}



		protected void chkViewInactive_CheckedChanged(object sender, EventArgs e) {

			LoadUsers();

		}



		protected void btnDeleteUser_Click(object sender, EventArgs e) {

			UserInfo user = Users.Instance.Find(lstUsers.SelectedValue);

			if(user == null) {

				lblUserResult.CssClass = "resulterror";

				lblUserResult.Text = Resources.Messages.UserNotFound;

				return;

			}

			Log.LogEntry("User removal requested for " + user.Username, EntryType.General, SessionFacade.Username);

			Users.Instance.RemoveUser(user);

			lblUserResult.CssClass = "resultok";

			lblUserResult.Text = Resources.Messages.UserDeleted;



			LoadUsers();

		}



		protected void btnDeactivateUser_Click(object sender, EventArgs e) {

			int index = lstUsers.SelectedIndex;

			UserInfo user = Users.Instance.Find(lstUsers.SelectedValue);

			if(user == null) {

				lblUserResult.CssClass = "resulterror";

				lblUserResult.Text = Resources.Messages.UserNotFound;

				return;

			}

			Log.LogEntry("User deactivation requested for " + user.Username, EntryType.General, SessionFacade.Username);

			Users.Instance.SetActivationStatus(user, false);

			lblUserResult.CssClass = "resultok";

			lblUserResult.Text = Resources.Messages.UserDeactivated;



			LoadUsers();

			try {

				lstUsers.SelectedIndex = index;

			}

			catch { }

		}



		protected void btnActivateUser_Click(object sender, EventArgs e) {

			int index = lstUsers.SelectedIndex;

			UserInfo user = Users.Instance.Find(lstUsers.SelectedValue);

			if(user == null) {

				lblUserResult.CssClass = "resulterror";

				lblUserResult.Text = Resources.Messages.UserNotFound;

				return;

			}

			Log.LogEntry("User activation requested for " + user.Username, EntryType.General, SessionFacade.Username);

			Users.Instance.SetActivationStatus(user, true);

			lblUserResult.CssClass = "resultok";

			lblUserResult.Text = Resources.Messages.UserActivated;



			LoadUsers();

			try {

				lstUsers.SelectedIndex = index;

			}

			catch { }

		}



		protected void btnPromoteUser_Click(object sender, EventArgs e) {

			int index = lstUsers.SelectedIndex;

			UserInfo user = Users.Instance.Find(lstUsers.SelectedValue);

			if(user == null) {

				lblUserResult.CssClass = "resulterror";

				lblUserResult.Text = Resources.Messages.UserNotFound;

				return;

			}

			Log.LogEntry("User promotion requested for " + user.Username, EntryType.General, SessionFacade.Username);

			Users.Instance.SetAdministratorStatus(user, true);

			lblUserResult.CssClass = "resultok";

			lblUserResult.Text = Resources.Messages.UserPromoted;



			LoadUsers();

			try {

				lstUsers.SelectedIndex = index;

			}

			catch { }

		}



		protected void btnDowngradeUser_Click(object sender, EventArgs e) {

			int index = lstUsers.SelectedIndex;

			UserInfo user = Users.Instance.Find(lstUsers.SelectedValue);

			if(user == null) {

				lblUserResult.CssClass = "resulterror";

				lblUserResult.Text = Resources.Messages.UserNotFound;

				return;

			}

			Log.LogEntry("User downgrading requested for " + user.Username, EntryType.General, SessionFacade.Username);

			Users.Instance.SetAdministratorStatus(user, false);

			lblUserResult.CssClass = "resultok";

			lblUserResult.Text = Resources.Messages.AdminDowngraded;



			LoadUsers();

			try {

				lstUsers.SelectedIndex = index;

			}

			catch { }

		}



		protected void btnSendMessage_Click(object sender, EventArgs e) {

			UserInfo user = Users.Instance.Find(lstUsers.SelectedValue);

			if(user == null) {

				lblUserResult.CssClass = "resulterror";

				lblUserResult.Text = Resources.Messages.UserNotFound;

				return;

			}

			Response.Redirect("Message.aspx?Username=" + Tools.UrlEncode(user.Username));

		}



		protected void btnCreateNewAccount_Click(object sender, EventArgs e) {

			txtUsername.Enabled = true;

			mlvUsers.ActiveViewIndex = 1;

		}



		protected void btnCreateAccount_Click(object sender, EventArgs e) {

			lblCreateAccountResult.Text = "";



			if(!Page.IsValid) return;



			// Ready to save the user

			Log.LogEntry("Account creation requested for " + txtUsername.Text, EntryType.General, SessionFacade.Username);

			Users.Instance.AddUser(txtUsername.Text, txtPassword1.Text, txtEmail.Text, true, chkAdmin.Checked, Collectors.UsersProviderCollector.GetProvider(lstUserProvider.SelectedValue));



			ClearUserFields();



			mlvUsers.ActiveViewIndex = 0;

			LoadUsers();

		}



		protected void btnCancelAccountCreation_Click(object sender, EventArgs e) {

			ClearUserFields();



			mlvUsers.ActiveViewIndex = 0;

		}



		protected void lstUsers_SelectedIndexChanged(object sender, EventArgs e) {

			if(lstUsers.SelectedIndex != -1) {

				btnDeleteUser.Enabled = true;

				btnActivateUser.Enabled = true;

				btnDeactivateUser.Enabled = true;

				btnPromoteUser.Enabled = true;

				btnDowngradeUser.Enabled = true;

			}

			else {

				btnDeleteUser.Enabled = false;

				btnActivateUser.Enabled = false;

				btnDeactivateUser.Enabled = false;

				btnPromoteUser.Enabled = false;

				btnDowngradeUser.Enabled = false;

			}

		}



		private void ClearUserFields() {

			txtUsername.Text = "";

			txtPassword1.Text = "";

			txtPassword2.Text = "";

			txtEmail.Text = "";

			chkAdmin.Checked = false;



			txtUsername.Enabled = true;

			chkAdmin.Visible = true;

			lblPasswordChange.Visible = false;

			lblUserProvider.Visible = true;

			lstUserProvider.Visible = true;

			btnCreateAccount.Visible = true;

			btnModifyAccount.Visible = false;

		}



		protected void btnMassEmail_Click(object sender, EventArgs e) {

			btnSendMassEmail.Visible = true;

			btnCancelMassEmail.Visible = true;

			btnBack.Visible = false;

			lblMassEmailResult.Text = "";

			txtSubject.Text = "";

			txtBody.Text = "";

			mlvUsers.ActiveViewIndex = 2;

		}



		protected void btnSendMassEmail_Click(object sender, EventArgs e) {

			if(txtSubject.Text.Length == 0 || txtBody.Text.Length == 0) {

				lblMassEmailResult.CssClass = "resulterror";

				lblMassEmailResult.Text = Resources.Messages.SubjectBodyNeeded;

				return;

			}



			List<string> emails = new List<string>();

			bool users = chkSendUsers.Checked, admins = chkSendAdministrator.Checked;

			for(int i = 0; i < Users.Instance.AllUsers.Count; i++) {

				if(Users.Instance.AllUsers[i].Active &&

					((users && !Users.Instance.AllUsers[i].Admin) || (admins && Users.Instance.AllUsers[i].Admin))) {

					emails.Add(Users.Instance.AllUsers[i].Email);

				}

			}

			UserInfo user = Users.Instance.Find(SessionFacade.Username);

			if(user == null && SessionFacade.Username.Equals("admin")) user = new UserInfo("admin", Settings.ContactEmail, true, DateTime.Now, true, null);

			Log.LogEntry("Sending Mass Email to " + emails.Count.ToString() + " users", EntryType.General, SessionFacade.Username);

			EmailSender.SendMassEmail(emails.ToArray(), user.Email, txtSubject.Text, txtBody.Text, false);

			lblMassEmailResult.CssClass = "resultok";

			lblMassEmailResult.Text = Resources.Messages.MassEmailSent;

			btnSendMassEmail.Visible = false;

			btnCancelMassEmail.Visible = false;

			btnBack.Visible = true;

		}



		protected void btnCancelMassEmail_Click(object sender, EventArgs e) {

			mlvUsers.ActiveViewIndex = 0;

		}



		protected void btnBack_Click(object sender, EventArgs e) {

			mlvUsers.ActiveViewIndex = 0;

		}



		protected void btnEditAccount_Click(object sender, EventArgs e) {

			UserInfo u = Users.Instance.Find(lstUsers.SelectedValue);

			if(u == null) {

				lblUserResult.CssClass = "resulterror";

				lblUserResult.Text = Resources.Messages.UserNotFound;

				return;

			}

			txtUsername.Enabled = false;

			txtUsername.Text = u.Username;

			txtEmail.Text = u.Email;

			chkAdmin.Visible = false;

			lblPasswordChange.Visible = true;

			lblUserProvider.Visible = false;

			lstUserProvider.Visible = false;

			btnCreateAccount.Visible = false;

			btnModifyAccount.Visible = true;

			mlvUsers.ActiveViewIndex = 1;

		}



		protected void btnModifyAccount_Click(object sender, EventArgs e) {

			rfvEmail.Validate();

			rxvEmail.Validate();

			if(txtPassword1.Text.Length > 0 || txtPassword2.Text.Length > 0) {

				cvPassword1.Validate();

				cvPassword2.Validate();

			}

			if(!Page.IsValid) return;



			UserInfo u = Users.Instance.Find(txtUsername.Text);

			if(!u.Email.Equals(txtEmail.Text)) {

				Log.LogEntry("Email change requested for " + u.Username, EntryType.General, SessionFacade.Username);

				Users.Instance.ChangeEmail(u, txtEmail.Text);

			}

			if(txtPassword1.Text.Length > 0) {

				Log.LogEntry("Password change requested for " + u.Username, EntryType.General, SessionFacade.Username);

				Users.Instance.ChangePassword(u, txtPassword1.Text);

			}

			ClearUserFields();

			lblUserResult.CssClass = "resultok";

			lblUserResult.Text = Resources.Messages.UserAccountSaved;

			LoadUsers();

			mlvUsers.ActiveViewIndex = 0;

		}

		

		#endregion



		#region Pages



		protected void btnPagesPostback_Click(object sender, EventArgs e) {

			// No code needed

		}



		protected void chkViewLocked_CheckedChanged(object sender, EventArgs e) {

			LoadPages(true);

		}



		protected void chkViewNormal_CheckedChanged(object sender, EventArgs e) {

			LoadPages(true);

		}



		protected void chkViewPublic_CheckedChanged(object sender, EventArgs e) {

			LoadPages(true);

		}



		protected void btnGoToPage_Click(object sender, EventArgs e) {

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			Response.Redirect(page.Name + Settings.PageExtension);

		}



		protected void btnDeletePage_Click(object sender, EventArgs e) {

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			Log.LogEntry("Page deletion requested for " + page.Name, EntryType.General, SessionFacade.Username);

			Pages.Instance.DeletePage(page);

			lblPageResult.CssClass = "resultok";

			lblPageResult.Text = Resources.Messages.PageDeleted;



			txtPageName.Text = "";



			LoadPages(true);

		}



		protected void btnClearPageDiscussion_Click(object sender, EventArgs e) {

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			Log.LogEntry("Page Discussion deletion requested for " + page.Name, EntryType.General, SessionFacade.Username);

			Message[] messages = Pages.Instance.GetPageMessages(page);

			for(int i = 0; i < messages.Length; i++) {

				Pages.Instance.RemoveMessage(page, messages[i].ID, true);

			}

			lblPageResult.CssClass = "resultok";

			lblPageResult.Text = Resources.Messages.PageDiscussionCleared;

		}



		protected void btnSetPageStatus_Click(object sender, EventArgs e) {

			int index = lstPages.SelectedIndex;

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			switch(lstPageStatus.SelectedValue) {

				case "N":

					Log.LogEntry("Page Status change requested for " + page.Name + " (Normal)", EntryType.General, SessionFacade.Username);

					Pages.Instance.SetPageStatus(page, PageStatus.Normal);

					lblPageResult.CssClass = "resultok";

					lblPageResult.Text = Resources.Messages.PageSetNormal;

					break;

				case "P":

					Log.LogEntry("Page Status change requested for " + page.Name + " (Public)", EntryType.General, SessionFacade.Username);

					Pages.Instance.SetPageStatus(page, PageStatus.Public);

					lblPageResult.CssClass = "resultok";

					lblPageResult.Text = Resources.Messages.PageSetPublic;

					break;

				case "L":

					Log.LogEntry("Page Status change requested for " + page.Name + " (Locked)", EntryType.General, SessionFacade.Username);

					Pages.Instance.SetPageStatus(page, PageStatus.Locked);

					lblPageResult.CssClass = "resultok";

					lblPageResult.Text = Resources.Messages.PageSetLocked;

					break;

			}



			LoadPages(false);

			try {

				lstPages.SelectedIndex = index;

			}

			catch { }

		}



		protected void btnDeleteAllBackups_Click(object sender, EventArgs e) {

			int index = lstPages.SelectedIndex;

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			Log.LogEntry("Page Backups (all) deletion requested for " + page.Name, EntryType.General, SessionFacade.Username);

			Pages.Instance.DeleteBackups(page);

			lblPageResult.CssClass = "resultok";

			lblPageResult.Text = Resources.Messages.PageBackupsDeleted;



			LoadPages(true);

			try {

				lstPages.SelectedIndex = index;

			}

			catch { }

		}



		protected void btnDeleteOlderBackups_Click(object sender, EventArgs e) {

			int index = lstPages.SelectedIndex;

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			string selectedBackup = lstPageBackups.SelectedValue;

			if(selectedBackup == null || selectedBackup.Length == 0 || selectedBackup.Equals(" --- ")) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PleaseSelectValidBackup;

				return;

			}

			int version = int.Parse(selectedBackup);



			Log.LogEntry("Page Backups (0-" + version.ToString() + ") deletion requested for " + page.Name, EntryType.General, SessionFacade.Username);

			Pages.Instance.DeleteBackups(page, version);

			lblPageResult.CssClass = "resultok";

			lblPageResult.Text = Resources.Messages.PageBackupsDeleted;



			LoadPages(true);

			try {

				lstPages.SelectedIndex = index;

				lstPages_SelectedIndexChanged(this, null); // Reload backups list

			}

			catch { }

		}



		protected void btnRollback_Click(object sender, EventArgs e) {

			int index = lstPages.SelectedIndex;

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			string selectedBackup = lstPageBackups.SelectedValue;

			if(selectedBackup == null || selectedBackup.Length == 0 || selectedBackup.Equals(" --- ")) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PleaseSelectValidBackup;

				return;

			}

			int version = int.Parse(selectedBackup);



			Log.LogEntry("Rollback to version " + version.ToString() + " requested for " + page.Name, EntryType.General, SessionFacade.Username);

			Pages.Instance.Rollback(page, version);

			lblPageResult.CssClass = "resultok";

			lblPageResult.Text = Resources.Messages.RollbackCompleted;



			LoadPages(true);

			try {

				lstPages.SelectedIndex = index;

				lstPages_SelectedIndexChanged(this, null);

			}

			catch { }

		}



		protected void btnRenamePage_Click(object sender, EventArgs e) {

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			if(!Pages.IsValidName(txtPageName.Text)) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.InvalidPageName;

				return;

			}

			if(Pages.Instance.FindPage(txtPageName.Text) != null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageAlreadyExists;

				return;

			}

			Log.LogEntry("Page Rename requested for " + page.Name + " to " + txtPageName.Text, EntryType.General, SessionFacade.Username);

			Pages.Instance.RenamePage(page, txtPageName.Text);

			lblPageResult.CssClass = "resultok";

			lblPageResult.Text = Resources.Messages.PageRenamed;



			LoadPages(true);



			for(int i = 0; i < lstPages.Items.Count; i++) {

				if(lstPages.Items[i].Text.StartsWith(txtPageName.Text + ",")) {

					lstPages.SelectedIndex = i;

					break;

				}

			}



			txtPageName.Text = "";

		}



		protected void lstPages_SelectedIndexChanged(object sender, EventArgs e) {

			PageInfo page = Pages.Instance.FindPage(lstPages.SelectedValue);

			if(page == null) {

				lblPageResult.CssClass = "resulterror";

				lblPageResult.Text = Resources.Messages.PageNotFound;

				return;

			}

			lstPageBackups.Items.Clear();

			List<int> backups = Pages.Instance.GetBackups(page);;

			backups.Reverse();

			for(int i = 0; i < backups.Count; i++) {

				lstPageBackups.Items.Add(

					new ListItem("Rev " + backups[i].ToString() + ", " +

					string.Format("{0:yyyy'/'MM'/'dd' 'HH':'mm':'ss}", Pages.Instance.GetBackupContent(page, backups[i]).LastModified),

					backups[i].ToString()));

			}

			if(lstPageBackups.Items.Count == 0) {

				lstPageBackups.Items.Add(new ListItem(" --- ", ""));

				btnDeleteAllBackups.Enabled = false;

				btnDeleteOlderBackups.Enabled = false;

				btnRollback.Enabled = false;

			}

			else {

				btnDeleteAllBackups.Enabled = true;

				btnDeleteOlderBackups.Enabled = true;

				btnRollback.Enabled = true;

			}

			if(lstPages.SelectedIndex != -1) {

				btnDeletePage.Enabled = true;

				btnClearPageDiscussion.Enabled = true;

				btnGoToPage.Enabled = true;

				btnSetPageStatus.Enabled = true;

				lstPageStatus.Enabled = true;

				btnRenamePage.Enabled = true;

				switch(page.Status) {

					case PageStatus.Normal:

						lstPageStatus.SelectedIndex = 0;

						break;

					case PageStatus.Public:

						lstPageStatus.SelectedIndex = 1;

						break;

					case PageStatus.Locked:

						lstPageStatus.SelectedIndex = 2;

						break;

				}

			}

			else {

				btnDeletePage.Enabled = false;

				btnSetPageStatus.Enabled = false;

				lstPageStatus.Enabled = false;

				btnRenamePage.Enabled = false;

			}



			// Populate txtPageName

			txtPageName.Text = page.Name;



			lblPageResult.Text = "";

		}



		#endregion



		#region Misc



		protected void chkViewMessages_CheckedChanged(object sender, EventArgs e) {

		}



		protected void chkViewWarnings_CheckedChanged(object sender, EventArgs e) {

		}



		protected void chkViewErrors_CheckedChanged(object sender, EventArgs e) {

		}



		protected void btnClearLog_Click(object sender, EventArgs e) {

			Log.ClearLog();

		}



		protected void btnComputeSpaceUsage_Click(object sender, EventArgs e) {

			FileInfo info = new FileInfo(Settings.LogFile);

			string txt = Resources.Messages.TotalDiskUsage + ": <b>" + Tools.BytesToString(Tools.DiskUsage(Settings.PublicDirectory)) + "</b>";

			txt += "<ul>";

			txt += "<li>" + Resources.Messages.PagesDiskUsage + ": <b>" + Tools.BytesToString(Tools.DiskUsage(Settings.PagesDirectory)) + "</b></li>";

			txt += "<li>" + Resources.Messages.FilesDiskUsage + ": <b>" + Tools.BytesToString(Tools.DiskUsage(Settings.UploadDirectory)) + "</b></li>";

			txt += "<li>" + Resources.Messages.LogDiskUsage + ": <b>" + Tools.BytesToString(info.Length) + "</b></li>";

			txt += "<li>" + Resources.Messages.TempDiskUsage + ": <b>" + Tools.BytesToString(Tools.DiskUsage(Settings.TempDirectory)) + "</b></li>";

			txt += "</ul><br />";

			lblDiskUsageResult.Text = txt;

		}



		protected void btnDownloadBackup_Click(object sender, EventArgs e) {

			Log.LogEntry("Backup ZIP requested", EntryType.General, SessionFacade.Username);

			Response.Redirect("Zip.aspx");

		}



		protected void btnClearTemp_Click(object sender, EventArgs e) {

			Log.LogEntry("TempDirectory cleanup requested", EntryType.General, SessionFacade.Username);

			string[] files = Directory.GetFiles(Settings.TempDirectory);

			for(int i = 0; i < files.Length; i++) {

				try {

					File.Delete(files[i]);

				}

				catch { }

			}

		}



		public void PrintStrings() {

			StringBuilder sb = new StringBuilder();

			sb.Append(@"<script type=""text/javascript"">" + "\n<!--\n");

			sb.Append(@"var __ConfirmOperationMessage = """ + Resources.Messages.ConfirmOperation + @""";");

			sb.Append("// -->\n</script>");

			lblStrings.Text = sb.ToString();

		}



		protected void btnClearCache_Click(object sender, EventArgs e) {

			Redirections.Instance.Clear();

			Content.PseudoCache.Clear();

			Content.InvalidateAll();

			PrintSystemStatus();

		}



		protected void btnRestartApp_Click(object sender, EventArgs e) {

			btnRestartAppConfirm.Enabled = true;

			btnRestartApp.Visible = false;

			btnRestartAppCancel.Visible = true;

		}



		protected void btnRestartAppConfirm_Click(object sender, EventArgs e) {

			Log.LogEntry("WebApp shutdown requested", EntryType.General, SessionFacade.Username);

			Response.Clear();

			Response.Write(@"Web Application has been shut down, please go to the <a href=""Default.aspx"">home page</a>." + "\n\n");

			Response.Flush();

			Response.Close();

			Log.LogEntry("Executing WebApp shutdown", EntryType.General, "SYSTEM");

			HttpRuntime.UnloadAppDomain();

		}



		protected void btnRestartAppCancel_Click(object sender, EventArgs e) {

			btnRestartAppConfirm.Enabled = false;

			btnRestartApp.Visible = true;

			btnRestartAppCancel.Visible = false;

		}



		public void PrintDateTimeFormats() {

			StringBuilder sb = new StringBuilder();

			DateTime test = DateTime.Now;

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('ddd, dd MMM yyyy HH\':\'mm');"">" + test.ToString("ddd, dd MMM yyyy HH':'mm") + "</a>");

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('dddd, dd MMMM yyyy HH\':\'mm');"">" + test.ToString("dddd, dd MMMM yyyy HH':'mm") + "</a>");

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('yyyy\'/\'MM\'/\'dd\' \'HH\':\'mm');"">" + test.ToString("yyyy'/'MM'/'dd' 'HH':'mm") + "</a>");

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('MM\'/\'dd\'/\'yyyy\' \'HH\':\'mm');"">" + test.ToString("MM'/'dd'/'yyyy' 'HH':'mm") + "</a>");

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('dd\'/\'MM\'/\'yyyy\' \'HH\':\'mm');"">" + test.ToString("dd'/'MM'/'yyyy' 'HH':'mm") + "</a>");



			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('ddd, dd MMM yyyy hh\':\'mm\' \'tt');"">" + test.ToString("ddd, dd MMM yyyy hh':'mm' 'tt") + "</a>");

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('dddd, dd MMMM yyyy hh\':\'mm\' \'tt');"">" + test.ToString("dddd, dd MMMM yyyy hh':'mm' 'tt") + "</a>");

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('yyyy\'/\'MM\'/\'dd\' \'hh\':\'mm\' \'tt');"">" + test.ToString("yyyy'/'MM'/'dd' 'hh':'mm' 'tt") + "</a>");

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('MM\'/\'dd\'/\'yyyy\' \'hh\':\'mm\' \'tt');"">" + test.ToString("MM'/'dd'/'yyyy' 'hh':'mm' 'tt") + "</a>");

			sb.Append(@"<a href=""#"" class=""datepicklink"" onclick=""javascript:return __SetDateFormat('dd\'/\'MM\'/\'yyyy\' \'hh\':\'mm\' \'tt');"">" + test.ToString("dd'/'MM'/'yyyy' 'hh':'mm' 'tt") + "</a>");



			lblDateTimeFormatsContent.Text = sb.ToString();

		}



		#endregion



		#region Config



		protected void btnSave_Click(object sender, EventArgs e) {

			lblConfigResult.Text = "";

			lblConfigResult.CssClass = "";



			if(!Page.IsValid) return;



			// Save parameters

			Settings.WikiTitle = txtWikiTitle.Text;

			Settings.MainUrl = txtMainUrl.Text;

			Settings.Theme = lstTheme.SelectedValue;

			Settings.ContactEmail = txtContactEmail.Text;

			Settings.SenderEmail = txtSenderEmail.Text;

			Settings.SmtpServer = txtSmtpServer.Text;

			Settings.SmtpUsername = txtSmtpUsername.Text;

			Settings.SmtpPassword = txtSmtpPassword.Text;

			Settings.SmtpPort = txtSmtpPort.Text.Length > 0 ? int.Parse(txtSmtpPort.Text) : -1;

			Settings.SmtpSsl = chkSmtpSsl.Checked;

			Settings.DefaultPage = lstDefaultPage.SelectedValue;

			Settings.EnableDoubleClickEditing = chkEnableDoubleClickEditing.Checked;

			Settings.DisableBreadcrumbsTrail = chkDisableBreadcrumbsTrail.Checked;

			Settings.ProcessSingleLineBreaks = chkProcessSingleLineBreaks.Checked;



			// This feature is currently DISABLED

			/*if(txtKeptBackupsNumber.Text.Length > 0) {

				Settings.KeptBackupNumber = int.Parse(txtKeptBackupsNumber.Text);

			}

			else Settings.KeptBackupNumber = -1;*/



			Settings.DateTimeFormat = txtDateTimeFormat.Text;

			Settings.DefaultLanguage = lstDefaultLanguage.SelectedValue;

			Settings.DefaultTimezone = lstDefaultTimezone.SelectedValue;

			Settings.UsersCanRegister = chkUsersCanRegister.Checked;

			Settings.AccountActivationMode = lstAccountActivationMode.SelectedValue;

			Settings.DisableCaptchaControl = chkDisableCaptchaControl.Checked;

			Settings.DiscussionPermissions = lstDiscussionPermissions.SelectedValue;

			Settings.UsersCanCreateNewPages = chkUsersCanCreateNewPages.Checked;

			Settings.UsersCanCreateNewCategories = chkUsersCanCreateNewCategories.Checked;

			Settings.UsersCanManagePageCategories = chkUsersCanManagePageCategories.Checked;

			Settings.UsersCanViewFiles = chkUsersCanViewFiles.Checked;

			if(chkUsersCanViewFiles.Checked) {

				Settings.UsersCanUploadFiles = chkUsersCanUploadFiles.Checked;

				Settings.UsersCanDeleteFiles = chkUsersCanDeleteFiles.Checked;

			}

			else {

				Settings.UsersCanUploadFiles = false;

				Settings.UsersCanDeleteFiles = false;

			}

			Settings.PrivateAccess = chkPrivateAccess.Checked;

			if(chkPrivateAccess.Checked) {

				Settings.PublicAccess = false;

				Settings.FileManagementInPublicAccessAllowed = false;

			}

			else {

				Settings.PublicAccess = chkPublicAccess.Checked;

				if(chkPublicAccess.Checked)

					Settings.FileManagementInPublicAccessAllowed = chkFileManagementInPublicAccessAllowed.Checked;

				else Settings.FileManagementInPublicAccessAllowed = false;

			}

			Settings.DisableConcurrentEditing = chkDisableConcurrentEditing.Checked;

			Settings.AllowedFileTypes = txtAllowedFileTypes.Text.Replace(" ", "").Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);

			Settings.ScriptTagsAllowed = chkScriptTagsAllowed.Checked;

			Settings.LoggingLevel = int.Parse(lstLoggingLevel.SelectedValue);

			Settings.MaxLogSize = int.Parse(txtMaxLogSize.Text);

			Settings.ConfigVisibleToAdmins = chkConfigVisibleToAdmins.Checked;

			Settings.DisableAutomaticVersionCheck = chkDisableAutomaticVersionCheck.Checked;

			Settings.MaxFileSize = int.Parse(txtMaxFileSize.Text);

			Settings.DisableCache = chkDisableCache.Checked;

			Settings.CacheSize = int.Parse(txtCacheSize.Text);

			Settings.CacheCutSize = int.Parse(txtCacheCutSize.Text);

			Settings.FileAccessTries = int.Parse(txtFileAccessTries.Text);

			Settings.FileAccessTryDelay = int.Parse(txtFileAccessTryDelay.Text);

			Settings.EnableViewStateCompression = chkEnableViewStateCompression.Checked;

			Settings.EnableHttpCompression = chkEnableHttpCompression.Checked;

			Settings.UsernameRegex = txtUsernameRegex.Text;

			Settings.PasswordRegex = txtPasswordRegex.Text;



			// Dump Config

			Log.LogEntry("Config dump requested", EntryType.General, SessionFacade.Username);

			Settings.DumpConfig();



			// Clear invalid cache entries

			Content.PseudoCache.Clear();

			Content.InvalidateAll();



			LoadConfig();



			lblConfigResult.CssClass = "resultok";

			lblConfigResult.Text = Resources.Messages.ConfigSaved;

		}



		protected void btnCancel_Click(object sender, EventArgs e) {

			LoadConfig();

			lblConfigResult.CssClass = "resultok";

			lblConfigResult.Text = Resources.Messages.ConfigValuesReset;

		}



		protected void chkPrivateAccess_CheckedChanged(object sender, EventArgs e) {

			if(chkPrivateAccess.Checked) {

				chkPublicAccess.Enabled = false;

				chkPublicAccess.Checked = false;

				chkFileManagementInPublicAccessAllowed.Enabled = false;

				chkFileManagementInPublicAccessAllowed.Checked = false;

			}

			else {

				chkPublicAccess.Enabled = true;

				chkFileManagementInPublicAccessAllowed.Enabled = false;

			}

		}

		protected void chkPublicAccess_CheckedChanged(object sender, EventArgs e) {

			if(chkPublicAccess.Checked) {

				chkFileManagementInPublicAccessAllowed.Enabled = true;

				chkPrivateAccess.Enabled = false;

				chkPrivateAccess.Checked = false;

			}

			else {

				chkFileManagementInPublicAccessAllowed.Enabled = false;

				chkFileManagementInPublicAccessAllowed.Checked = false;

				chkPrivateAccess.Enabled = true;

			}

		}



		protected void chkUsersCanViewFiles_CheckedChanged(object sender, EventArgs e) {

			if(!chkUsersCanViewFiles.Checked) {

				chkUsersCanUploadFiles.Checked = false;

				chkUsersCanDeleteFiles.Checked = false;

				chkUsersCanUploadFiles.Enabled = false;

				chkUsersCanDeleteFiles.Enabled = false;

			}

			else {

				chkUsersCanUploadFiles.Checked = false;

				chkUsersCanDeleteFiles.Checked = false;

				chkUsersCanUploadFiles.Enabled = true;

				chkUsersCanDeleteFiles.Enabled = true;

			}

		}



		protected void chkDisableCache_CheckedChanged(object sender, EventArgs e) {

			if(chkDisableCache.Checked) {

				txtCacheSize.Enabled = false;

				txtCacheCutSize.Enabled = false;

			}

			else {

				txtCacheSize.Enabled = true;

				txtCacheCutSize.Enabled = true;

			}

		}



		#endregion



		#region Tabs Buttons



		protected void btnSelectUsersAdmins_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 0;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectPages_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 1;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectFiles_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 2;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectLog_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 3;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectDisk_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 4;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectConfig_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 5;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectDataBackup_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 6;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectSnippets_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 7;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectCategories_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 8;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectAdminHome_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 9;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}

		protected void btnSelectNavPaths_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 10;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}



		protected void btnSelectProviders_Click(object sender, EventArgs e) {

			mlvAdmin.ActiveViewIndex = 11;

			SessionFacade.AdminView = mlvAdmin.ActiveViewIndex;

			SetupButtons();

		}



		private void SetupButtons() {

			btnSelectUsersAdmins.CssClass = "tab";

			btnSelectPages.CssClass = "tab";

			btnSelectFiles.CssClass = "tab";

			btnSelectLog.CssClass = "tab";

			btnSelectDisk.CssClass = "tab";

			btnSelectConfig.CssClass = "tab";

			btnSelectDataBackup.CssClass = "tab";

			btnSelectSnippets.CssClass = "tab";

			btnSelectCategories.CssClass = "tab";

			btnSelectAdminHome.CssClass = "tab";

			btnSelectNavPaths.CssClass = "tab";

			btnSelectProviders.CssClass = "tab";



			switch(SessionFacade.AdminView) {

				case 0:

					SetButton(btnSelectUsersAdmins);

					break;

				case 1:

					SetButton(btnSelectPages);

					break;

				case 2:

					SetButton(btnSelectFiles);

					break;

				case 3:

					SetButton(btnSelectLog);

					break;

				case 4:

					SetButton(btnSelectDisk);

					break;

				case 5:

					SetButton(btnSelectConfig);

					break;

				case 6:

					SetButton(btnSelectDataBackup);

					break;

				case 7:

					SetButton(btnSelectSnippets);

					break;

				case 8:

					SetButton(btnSelectCategories);

					break;

				case 9:

					SetButton(btnSelectAdminHome);

					break;

				case 10:

					SetButton(btnSelectNavPaths);

					break;

				case 11:

					SetButton(btnSelectProviders);

					break;

			}

		}



		private void SetButton(Button btn) {

			btn.CssClass = "tabselected";

		}



		#endregion



		#region Snippets



		protected void btnDeleteSnippet_Click(object sender, EventArgs e) {

			Snippet s = Snippets.Instance.Find(lstSnippets.SelectedValue);

			

			if(s == null) {

				lblSnippetResult.CssClass = "resulterror";

				lblSnippetResult.Text = Resources.Messages.SnippetNotFound;

				LoadSnippets();

				return;

			}



			Log.LogEntry("Snippet deletion requested for " + s.Name, EntryType.General, SessionFacade.Username);

			Snippets.Instance.RemoveSnippet(s);

			lblSnippetResult.CssClass = "resultok";

			lblSnippetResult.Text = Resources.Messages.SnippetDeleted;

			LoadSnippets();

			Content.InvalidateAll();

			Content.PseudoCache.Clear();

		}



		protected void btnEditSnippet_Click(object sender, EventArgs e) {

			Snippet s = Snippets.Instance.Find(lstSnippets.SelectedValue);

			if(s == null) {

				lblSnippetResult.CssClass = "resulterror";

				lblSnippetResult.Text = Resources.Messages.SnippetNotFound;

				return;

			}

			mlvSnippets.ActiveViewIndex = 1;

			txtSnippetName.Text = s.Name;

			txtSnippetName.Enabled = false;

			txtSnippetName.Style.Clear();

			txtSnippetContent.Text = s.Content;

			lblSnippetProvider.Visible = false;

			lstSnippetProvider.Visible = false;

			lblSaveSnippetResult.Text = "";

		}



		protected void btnNewSnippet_Click(object sender, EventArgs e) {

			mlvSnippets.ActiveViewIndex = 1;

			txtSnippetName.Text = "";

			txtSnippetName.Enabled = true;

			txtSnippetName.Style.Clear();

			txtSnippetContent.Text = "";

			lblSnippetProvider.Visible = true;

			lstSnippetProvider.Visible = true;

			lblSaveSnippetResult.Text = "";

		}



		protected void btnSaveSnippet_Click(object sender, EventArgs e) {

			if(txtSnippetName.Enabled) {

				if(txtSnippetName.Text.Replace(" ", "").Length == 0 || !Pages.IsValidName(txtSnippetName.Text)) {

					lblSaveSnippetResult.CssClass = "resulterror";

					lblSaveSnippetResult.Text = Resources.Messages.InvalidSnippetName;

					return;

				}

				for(int i = 0; i < Snippets.Instance.AllSnippets.Count; i++) {

					if(Snippets.Instance.AllSnippets[i].Name.ToLower(CultureInfo.CurrentCulture).Equals(txtSnippetName.Text.ToLower(CultureInfo.CurrentCulture))) {

						lblSaveSnippetResult.CssClass = "resulterror";

						lblSaveSnippetResult.Text = Resources.Messages.SnippetAlreadyExists;

						return;

					}

				}

				Log.LogEntry("Snippet creation requested for " + txtSnippetName.Text, EntryType.General, SessionFacade.Username);

				Snippets.Instance.AddSnippet(txtSnippetName.Text, txtSnippetContent.Text, Collectors.PagesProviderCollector.GetProvider(lstSnippetProvider.SelectedValue));

			}

			else {

				Log.LogEntry("Snippet update requested for " + txtSnippetName.Text, EntryType.General, SessionFacade.Username);

				Snippets.Instance.ModifySnippet(Snippets.Instance.Find(txtSnippetName.Text), txtSnippetContent.Text);

			}

			lblSnippetResult.CssClass = "resultok";

			lblSnippetResult.Text = Resources.Messages.SnippetSaved;

			mlvSnippets.ActiveViewIndex = 0;

			LoadSnippets();

			Content.InvalidateAll();

			Content.PseudoCache.Clear();

		}



		protected void btnCancelSnippet_Click(object sender, EventArgs e) {

			mlvSnippets.ActiveViewIndex = 0;

			lblSnippetResult.Text = "";

		}



		#endregion



		#region Categories



		protected void lstCategories_SelectedIndexChanged(object sender, EventArgs e) {

			lstMergeCategory.Items.Clear();

			CategoryInfo selected = Pages.Instance.FindCategory(lstCategories.SelectedValue);

			if(selected != null) {

				lstMergeCategory.Enabled = true;

				txtCategoryName.Text = selected.Name;

				CategoryInfo[] cats = Pages.Instance.GetMatchingCategories(selected);

				for(int i = 0; i < cats.Length; i++) {

					lstMergeCategory.Items.Add(new ListItem(cats[i].Name, cats[i].Name));

				}

			}

			else lstMergeCategory.Enabled = false;

		}



		protected void btnDeleteCategory_Click(object sender, EventArgs e) {

			string cat = lstCategories.SelectedValue;

			if(Pages.Instance.FindCategory(cat) == null) {

				lblCategoryResult.CssClass = "resulterror";

				lblCategoryResult.Text = Resources.Messages.CategoryNotFound;

				return;

			}

			Log.LogEntry("Category removal requested for " + cat, EntryType.General, SessionFacade.Username);

			Pages.Instance.RemoveCategory(Pages.Instance.FindCategory(cat));

			LoadCategories();

			lblCategoryResult.CssClass = "resultok";

			lblCategoryResult.Text = Resources.Messages.CategoryDeleted;

		}



		protected void btnRenameCategory_Click(object sender, EventArgs e) {

			string cat = lstCategories.SelectedValue;

			if(Pages.Instance.FindCategory(cat) == null) {

				lblCategoryResult.CssClass = "resulterror";

				lblCategoryResult.Text = Resources.Messages.CategoryNotFound;

				return;

			}

			if(!Pages.IsValidName(txtCategoryName.Text)) {

				lblCategoryResult.CssClass = "resulterror";

				lblCategoryResult.Text = Resources.Messages.InvalidCategoryName;

				return;

			}

			if(Pages.Instance.FindCategory(txtCategoryName.Text) != null) {

				lblCategoryResult.CssClass = "resulterror";

				lblCategoryResult.Text = Resources.Messages.InvalidCategoryName;

				return;

			}

			Log.LogEntry("Category rename requested for " + cat + " (" + txtCategoryName.Text + ")", EntryType.General, SessionFacade.Username);

			Pages.Instance.RenameCategory(Pages.Instance.FindCategory(cat), txtCategoryName.Text);

			LoadCategories();

			txtCategoryName.Text = "";

			lblCategoryResult.CssClass = "resultok";

			lblCategoryResult.Text = Resources.Messages.CategoryRenamed;

		}



		protected void btnNewCategory_Click(object sender, EventArgs e) {

			if(!Pages.IsValidName(txtCategoryName.Text)) {

				lblCategoryResult.CssClass = "resulterror";

				lblCategoryResult.Text = Resources.Messages.InvalidCategoryName;

				return;

			}

			Log.LogEntry("Category creation requested for " + txtCategoryName.Text, EntryType.General, SessionFacade.Username);

			Pages.Instance.CreateCategory(txtCategoryName.Text, Collectors.PagesProviderCollector.GetProvider(lstCategoryProvider.SelectedValue));

			LoadCategories();

			txtCategoryName.Text = "";

			lblCategoryResult.CssClass = "resultok";

			lblCategoryResult.Text = Resources.Messages.CategorySaved;

		}



		protected void btnMergeCategory_Click(object sender, EventArgs e) {

			CategoryInfo source = Pages.Instance.FindCategory(lstCategories.SelectedValue);

			if(source == null) {

				lblCategoryResult.CssClass = "resulterror";

				lblCategoryResult.Text = Resources.Messages.CategoryNotFound;

				return;

			}

			Log.LogEntry("Categories Merging requested for " + source.Name + " into " + lstMergeCategory.SelectedValue, EntryType.General, SessionFacade.Username);

			Pages.Instance.MergeCategories(source, Pages.Instance.FindCategory(lstMergeCategory.SelectedValue));

			LoadCategories();

			lblCategoryResult.CssClass = "resultok";

			lblCategoryResult.Text = Resources.Messages.CategoriesMerged;

		}



		#endregion



		#region Nav Paths



		protected void btnDeleteNavPath_Click(object sender, EventArgs e) {

			if(lstNavPaths.SelectedIndex == -1) {

				lblNavPathResult.CssClass = "resulterror";

				lblNavPathResult.Text =Resources.Messages.NavPathNotFound;

				return;

			}

			Log.LogEntry("NavPath removal requested for " + lstNavPaths.SelectedValue, EntryType.General, SessionFacade.Username);

			NavigationPaths.Instance.RemovePath(lstNavPaths.SelectedValue);

			lblNavPathResult.CssClass = "resultok";

			lblNavPathResult.Text = Resources.Messages.NavPathDeleted;

			LoadNavPaths();

		}



		protected void btnEditNavPath_Click(object sender, EventArgs e) {

			if(lstNavPaths.SelectedIndex == -1) {

				lblNavPathResult.CssClass = "resulterror";

				lblNavPathResult.Text = Resources.Messages.NavPathNotFound;

				return;

			}

			NavigationPath p = NavigationPaths.Instance.Find(lstNavPaths.SelectedValue);

			txtNavPathName.Text = p.Name;

			txtNavPathName.Enabled = false;

			string s = "";

			for(int i = 0; i < p.Pages.Count; i++) {

				s += p.Pages[i];

				if(i != p.Pages.Count - 1) s += ", ";

			}

			txtNavPath.Text = s;

			lblEditNavPathResult.Text = "";

			lblNavPathProvider.Visible = false;

			lstNavPathProvider.Visible = false;

			mlvNavPaths.ActiveViewIndex = 1;

		}



		protected void btnNewNavPath_Click(object sender, EventArgs e) {

			txtNavPathName.Text = "";

			txtNavPathName.Enabled = true;

			txtNavPath.Text = "";

			lblEditNavPathResult.Text = "";

			lblNavPathProvider.Visible = true;

			lstNavPathProvider.Visible = true;

			mlvNavPaths.ActiveViewIndex = 1;

		}



		protected void btnSaveNavPath_Click(object sender, EventArgs e) {

			txtNavPath.Text = txtNavPath.Text.Replace("\r", "").Replace("\n", "");

			if(!Pages.IsValidName(txtNavPathName.Text)) {

				lblEditNavPathResult.CssClass = "resulterror";

				lblEditNavPathResult.Text = Resources.Messages.InvalidNavPathName;

				return;

			}

			if(txtNavPathName.Enabled) {

				if(NavigationPaths.Instance.Exists(txtNavPathName.Text)) {

					lblEditNavPathResult.CssClass = "resulterror";

					lblEditNavPathResult.Text = Resources.Messages.NavPathAlreadyExists;

					return;

				}

			}



			string[] pages = txtNavPath.Text.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);

			if(pages.Length < 2) {

				lblEditNavPathResult.CssClass = "resulterror";

				lblEditNavPathResult.Text = Resources.Messages.InvalidNavPath;

				return;

			}



			IPagesStorageProvider prov = null;

			if(lstNavPathProvider.Visible) prov = Collectors.PagesProviderCollector.GetProvider(lstNavPathProvider.SelectedValue);

			else prov = NavigationPaths.Instance.Find(txtNavPathName.Text).Provider;

			PageInfo[] infos = new PageInfo[pages.Length];

			for(int i = 0; i < pages.Length; i++) {

				pages[i] = pages[i].Trim();

				if(Pages.Instance.FindPage(pages[i], prov) == null) {

					lblEditNavPathResult.CssClass = "resulterror";

					lblEditNavPathResult.Text = Resources.Messages.PageDoesNotExistInProvider.Replace("##PAGENAME##", "<b>" + pages[i] + "</b>");

					return;

				}

				infos[i] = Pages.Instance.FindPage(pages[i]);

			}



			if(txtNavPathName.Enabled) {

				Log.LogEntry("NavPath creation requested for " + txtNavPath.Text, EntryType.General, SessionFacade.Username);

				NavigationPaths.Instance.AddPath(txtNavPathName.Text, new List<PageInfo>(infos), Collectors.PagesProviderCollector.GetProvider(lstNavPathProvider.SelectedValue));

			}

			else {

				Log.LogEntry("NavPath update requested for " + txtNavPath.Text, EntryType.General, SessionFacade.Username);

				NavigationPaths.Instance.ModifyPath(txtNavPathName.Text, new List<PageInfo>(infos));

			}

			LoadNavPaths();

			lblNavPathResult.CssClass = "resultok";

			lblNavPathResult.Text = Resources.Messages.NavPathSaved;

			mlvNavPaths.ActiveViewIndex = 0;

		}



		protected void btnCancelNavPath_Click(object sender, EventArgs e) {

			lblNavPathResult.Text = "";

			mlvNavPaths.ActiveViewIndex = 0;

		}



		#endregion



		#region Providers



		protected void btnSaveDefaultProviders_Click(object sender, EventArgs e) {

			Settings.DefaultPagesProvider = lstDefaultPagesProvider.SelectedValue;

			Settings.DefaultUsersProvider = lstDefaultUsersProvider.SelectedValue;

			Settings.DumpConfig();

		}



		protected void btnCancelDefaultProviders_Click(object sender, EventArgs e) {

			LoadProviders();

		}



		protected void btnConfigureProvider_Click(object sender, EventArgs e) {

			lblProviderResult.Text = "";

			lblProviderResult.CssClass = "";



			string sel = lstProviders.SelectedValue;

			if(sel == null || sel.Length == 0) {

				lblProviderResult.CssClass = "resulterror";

				lblProviderResult.Text = Resources.Messages.ProviderNotFound;

				return;

			}



			string name = sel.Substring(3);

			string type = sel.Substring(0, 3).ToUpperInvariant();



			string config = "";



			switch(type) {

				case "[U]":

					IUsersStorageProvider u = Collectors.UsersProviderCollector.GetProvider(name);

					if(u == null) u = Collectors.DisabledUsersProviderCollector.GetProvider(name);

					if(u == null) throw new Exception();

					config = ProviderLoader.LoadConfiguration(u.GetType().ToString());

					break;

				case "[P]":

					IPagesStorageProvider p = Collectors.PagesProviderCollector.GetProvider(name);

					if(p == null) p = Collectors.DisabledPagesProviderCollector.GetProvider(name);

					if(p == null) throw new Exception();

					config = ProviderLoader.LoadConfiguration(p.GetType().ToString());

					break;

				case "[F]":

					IFormatterProvider f = Collectors.FormatterProviderCollector.GetProvider(name);

					if(f == null) f = Collectors.DisabledFormatterProviderCollector.GetProvider(name);

					if(f == null) throw new Exception();

					config = ProviderLoader.LoadConfiguration(f.GetType().ToString());

					break;

				default:

					throw new Exception();

			}



			txtProviderConfiguration.Text = config;

			pnlProviderConfiguration.Visible = true;

			lstProviders.Enabled = false;

			btnConfigureProvider.Enabled = false;

			btnEnableProvider.Enabled = false;

			btnDisableProvider.Enabled = false;

			pnlPoviderInfo.Visible = false;



		}



		protected void btnSaveProviderConfiguration_Click(object sender, EventArgs e) {

			lblProviderResult.Text = "";



			string sel = lstProviders.SelectedValue;

			if(sel == null || sel.Length == 0) {

				lblProviderResult.CssClass = "resulterror";

				lblProviderResult.Text = Resources.Messages.ProviderNotFound;

				return;

			}



			string name = sel.Substring(3);

			string type = sel.Substring(0, 3).ToUpperInvariant();



			bool err = false;



			bool disabled = false;

			switch(type) {

				case "[U]":

					IUsersStorageProvider u = Collectors.UsersProviderCollector.GetProvider(name);

					if(u == null) {

						u = Collectors.DisabledUsersProviderCollector.GetProvider(name);

						disabled = true;

					}

					if(u == null) throw new Exception();

					try {

						u.Init(Host.Instance, txtProviderConfiguration.Text);

						ProviderLoader.SaveConfiguration(u.GetType().ToString(), txtProviderConfiguration.Text);

						if(!disabled) Users.Instance.ReloadFrom(u);

						LoadUsers();

					}

					catch(InvalidConfigurationException) {

						err = true;

					}

					break;

				case "[P]":

					IPagesStorageProvider p = Collectors.PagesProviderCollector.GetProvider(name);

					if(p == null) {

						p = Collectors.DisabledPagesProviderCollector.GetProvider(name);

						disabled = true;

					}

					if(p == null) throw new Exception();

					try {

						p.Init(Host.Instance, txtProviderConfiguration.Text);

						ProviderLoader.SaveConfiguration(p.GetType().ToString(), txtProviderConfiguration.Text);

						if(!disabled) {

							Content.InvalidateAll();

							Content.PseudoCache.Clear();

							Pages.Instance.ReloadFrom(p);

						}

						LoadPages(true);

						LoadCategories();

						LoadSnippets();

						LoadNavPaths();

					}

					catch(InvalidConfigurationException) {

						err = true;

					}

					break;

				case "[F]":

					IFormatterProvider f = Collectors.FormatterProviderCollector.GetProvider(name);

					if(f == null) {

						f = Collectors.DisabledFormatterProviderCollector.GetProvider(name);

						disabled = true;

					}

					if(f == null) throw new Exception();

					try {

						f.Init(Host.Instance, txtProviderConfiguration.Text);

						ProviderLoader.SaveConfiguration(f.GetType().ToString(), txtProviderConfiguration.Text);

						if(!disabled) {

							Content.InvalidateAll();

							Content.PseudoCache.Clear();

						}

					}

					catch(InvalidConfigurationException) {

						err = true;

					}

					break;

				default:

					throw new Exception();

			}



			if(err) {

				lblProviderResult.CssClass = "resulterror";

				lblProviderResult.Text = Resources.Messages.ProviderRefusedConfiguration;

			}

			else {

				lblProviderResult.CssClass = "resultok";

				lblProviderResult.Text = Resources.Messages.ProviderConfigurationSaved;

				lblProviderConfiguration.Text = txtProviderConfiguration.Text;

				pnlProviderConfiguration.Visible = false;

				lstProviders.Enabled = true;

				btnConfigureProvider.Enabled = true;

				btnEnableProvider.Enabled = true;

				btnDisableProvider.Enabled = true;

				pnlPoviderInfo.Visible = true;

				lstProviders_SelectedIndexChanged(sender, e);

			}

		}



		protected void btnCancelProviderConfiguration_Click(object sender, EventArgs e) {

			pnlProviderConfiguration.Visible = false;

			lstProviders.Enabled = true;

			btnConfigureProvider.Enabled = true;

			btnEnableProvider.Enabled = true;

			btnDisableProvider.Enabled = true;

			pnlPoviderInfo.Visible = true;

		}



		protected void btnEnableProvider_Click(object sender, EventArgs e) {

			lblProviderResult.Text = "";



			string sel = lstProviders.SelectedValue;

			if(sel == null || sel.Length == 0) {

				lblProviderResult.CssClass = "resulterror";

				lblProviderResult.Text = Resources.Messages.ProviderNotFound;

				return;

			}



			string name = sel.Substring(3);

			string type = sel.Substring(0, 3).ToUpperInvariant();



			bool err = false;



			switch(type) {

				case "[U]":

					IUsersStorageProvider u = Collectors.DisabledUsersProviderCollector.GetProvider(name);

					if(u != null) {

						try {

							u.Init(Host.Instance, ProviderLoader.LoadConfiguration(u.GetType().ToString()));

							Collectors.DisabledUsersProviderCollector.RemoveProvider(u);

							Collectors.UsersProviderCollector.AddProvider(u);

							Users.Instance.LoadFrom(u, true);

							LoadUsers();

						}

						catch {

							err = true;

						}

					}

					break;

				case "[P]":

					IPagesStorageProvider p = Collectors.DisabledPagesProviderCollector.GetProvider(name);

					if(p != null) {

						try {

							p.Init(Host.Instance, ProviderLoader.LoadConfiguration(p.GetType().ToString()));

							Collectors.DisabledPagesProviderCollector.RemoveProvider(p);

							Collectors.PagesProviderCollector.AddProvider(p);

							Content.InvalidateAll();

							Content.PseudoCache.Clear();

							Pages.Instance.LoadFrom(p, true);

							Snippets.Instance.LoadFrom(p, true);

							NavigationPaths.Instance.LoadFrom(p, true);

							LoadPages(true);

							LoadCategories();

							LoadSnippets();

							LoadNavPaths();

						}

						catch {

							err = true;

						}

					}

					break;

				case "[F]":

					IFormatterProvider f = Collectors.DisabledFormatterProviderCollector.GetProvider(name);

					if(f != null) {

						try {

							f.Init(Host.Instance, ProviderLoader.LoadConfiguration(f.GetType().ToString()));

							Collectors.DisabledFormatterProviderCollector.RemoveProvider(f);

							Collectors.FormatterProviderCollector.AddProvider(f);

							Content.InvalidateAll();

							Content.PseudoCache.Clear();

						}

						catch {

							err = true;

						}

					}

					break;

				default:

					throw new Exception();

			}



			if(!err) {

				ProviderLoader.SaveStatus(name, true);

				lblProviderResult.CssClass = "resultok";

				lblProviderResult.Text = Resources.Messages.ProviderEnabled;

				LoadProviders();

			}

			else {

				lblProviderResult.CssClass = "resulterror";

				lblProviderResult.Text = Resources.Messages.ProviderRefusedConfiguration;

			}

		}



		protected void btnDisableProvider_Click(object sender, EventArgs e) {

			lblProviderResult.Text = "";



			string sel = lstProviders.SelectedValue;

			if(sel == null || sel.Length == 0) {

				lblProviderResult.CssClass = "resulterror";

				lblProviderResult.Text = Resources.Messages.ProviderNotFound;

				return;

			}



			string name = sel.Substring(3);

			string type = sel.Substring(0, 3).ToUpperInvariant();



			switch(type) {

				case "[U]":

					IUsersStorageProvider u = Collectors.UsersProviderCollector.GetProvider(name);

					if(u != null) {

						if(u.GetType().ToString().Equals(Settings.DefaultUsersProvider)) {

							lblProviderResult.CssClass = "resulterror";

							lblProviderResult.Text = Resources.Messages.CannotDisableDefaultProvider;

							return;

						}

						Collectors.UsersProviderCollector.RemoveProvider(u);

						Collectors.DisabledUsersProviderCollector.AddProvider(u);

						Users.Instance.UnloadFrom(u);

						u.Shutdown();

						LoadUsers();

					}

					break;

				case "[P]":

					IPagesStorageProvider p = Collectors.PagesProviderCollector.GetProvider(name);

					if(p != null) {

						if(p.GetType().ToString().Equals(Settings.DefaultPagesProvider)) {

							lblProviderResult.CssClass = "resulterror";

							lblProviderResult.Text = Resources.Messages.CannotDisableDefaultProvider;

							return;

						}

						Collectors.PagesProviderCollector.RemoveProvider(p);

						Collectors.DisabledPagesProviderCollector.AddProvider(p);

						Content.InvalidateAll();

						Content.PseudoCache.Clear();

						Pages.Instance.UnloadFrom(p);

						Snippets.Instance.UnloadFrom(p);

						NavigationPaths.Instance.UnloadFrom(p);

						p.Shutdown();

						LoadPages(true);

						LoadCategories();

						LoadSnippets();

						LoadNavPaths();

					}

					break;

				case "[F]":

					IFormatterProvider f = Collectors.FormatterProviderCollector.GetProvider(name);

					if(f != null) {

						Collectors.FormatterProviderCollector.RemoveProvider(f);

						Collectors.DisabledFormatterProviderCollector.AddProvider(f);

						f.Shutdown();

						Content.InvalidateAll();

						Content.PseudoCache.Clear();

					}

					break;

				default:

					throw new Exception();

			}



			ProviderLoader.SaveStatus(name, false);

			lblProviderResult.CssClass = "resultok";

			lblProviderResult.Text = Resources.Messages.ProviderDisabled;

			LoadProviders();

		}



		protected void btnUnloadProvider_Click(object sender, EventArgs e) {

			lblProviderResult.Text = "";



			string sel = lstProviders.SelectedValue;

			if(sel == null || sel.Length == 0) {

				lblProviderResult.CssClass = "resulterror";

				lblProviderResult.Text = Resources.Messages.ProviderNotFound;

				return;

			}



			string name = sel.Substring(3);

			string type = sel.Substring(0, 3).ToUpperInvariant();



			switch(type) {

				case "[U]":

					IUsersStorageProvider u = Collectors.UsersProviderCollector.GetProvider(name);

					if(u == null) u = Collectors.DisabledUsersProviderCollector.GetProvider(name);

					if(u == null) return;

					if(u.GetType().ToString().Equals(Settings.DefaultUsersProvider)) {

						lblProviderResult.CssClass = "resulterror";

						lblProviderResult.Text = Resources.Messages.CannotUnloadDefaultProvider;

						return;

					}

					Collectors.UsersProviderCollector.RemoveProvider(u);

					Collectors.DisabledUsersProviderCollector.RemoveProvider(u);

					Users.Instance.UnloadFrom(u);

					u.Shutdown();

					LoadUsers();

					break;

				case "[P]":

					IPagesStorageProvider p = Collectors.PagesProviderCollector.GetProvider(name);

					if(p == null) p = Collectors.DisabledPagesProviderCollector.GetProvider(name);

					if(p == null) return;

					if(p.GetType().ToString().Equals(Settings.DefaultPagesProvider)) {

						lblProviderResult.CssClass = "resulterror";

						lblProviderResult.Text = Resources.Messages.CannotUnloadDefaultProvider;

						return;

					}

					Collectors.PagesProviderCollector.RemoveProvider(p);

					Collectors.DisabledPagesProviderCollector.RemoveProvider(p);

					Content.InvalidateAll();

					Content.PseudoCache.Clear();

					Pages.Instance.UnloadFrom(p);

					Snippets.Instance.UnloadFrom(p);

					NavigationPaths.Instance.UnloadFrom(p);

					p.Shutdown();

					LoadPages(true);

					LoadCategories();

					LoadSnippets();

					LoadNavPaths();

					break;

				case "[F]":

					IFormatterProvider f = Collectors.FormatterProviderCollector.GetProvider(name);

					if(f == null) f = Collectors.DisabledFormatterProviderCollector.GetProvider(name);

					if(f == null) return;

					Collectors.FormatterProviderCollector.RemoveProvider(f);

					Collectors.DisabledFormatterProviderCollector.RemoveProvider(f);

					Content.InvalidateAll();

					Content.PseudoCache.Clear();

					f.Shutdown();

					break;

				default:

					throw new Exception();

			}



			lblProviderResult.CssClass = "resultok";

			lblProviderResult.Text = Resources.Messages.ProviderUnloaded;

			LoadProviders();

		}



		protected void btnRemoveDll_Click(object sender, EventArgs e) {

			try {

				File.Delete(Settings.PluginsDirectory + lstDlls.SelectedValue);

			}

			catch { }

			LoadDlls();

		}



		protected void btnUploadDll_Click(object sender, EventArgs e) {

			lblUploadDllResult.Text = "";

			if(!updDll.HasFile) {

				lblUploadDllResult.CssClass = "resulterror";

				lblUploadDllResult.Text = Resources.Messages.YouMustProvideAFile;

				return;

			}

			string filename = updDll.FileName;

			if(!Path.GetExtension(filename).ToLowerInvariant().Equals(".dll")) {

				lblUploadDllResult.CssClass = "resulterror";

				lblUploadDllResult.Text = Resources.Messages.OnlyDllFilesAllowed;

				return;

			}

			if(File.Exists(Settings.PluginsDirectory + filename)) {

				lblUploadDllResult.CssClass = "resulterror";

				lblUploadDllResult.Text = Resources.Messages.FileAlreadyExists;

				return;

			}

			updDll.SaveAs(Settings.PluginsDirectory + filename);

			ProviderLoader.LoadFromAuto(Settings.PluginsDirectory + filename);

			LoadDlls();

			LoadProviders();

			Pages.Instance.Reload();

			Users.Instance.Reload();

			LoadPages(true);

			LoadCategories();

			LoadSnippets();

			LoadNavPaths();

			LoadUsers();

		}



		protected void lstProviders_SelectedIndexChanged(object sender, EventArgs e) {

			string sel = lstProviders.SelectedValue;

			if(sel == null || sel.Length == 0) {

				lblProviderResult.CssClass = "resulterror";

				lblProviderResult.Text = Resources.Messages.ProviderNotFound;

				return;

			}



			lblProviderResult.Text = "";



			string name = sel.Substring(3);

			string type = sel.Substring(0, 3).ToUpperInvariant();



			string url, author, dll, config;



			switch(type) {

				case "[U]":

					IUsersStorageProvider u = Collectors.UsersProviderCollector.GetProvider(name);

					if(u == null) u = Collectors.DisabledUsersProviderCollector.GetProvider(name);

					name = u.Information.Name;

					author = u.Information.Author;

					url = u.Information.Url;

					dll = u.GetType().Assembly.FullName;

					config = ProviderLoader.LoadConfiguration(u.GetType().ToString());

					break;

				case "[P]":

					IPagesStorageProvider p = Collectors.PagesProviderCollector.GetProvider(name);

					if(p == null) p = Collectors.DisabledPagesProviderCollector.GetProvider(name);

					name = p.Information.Name;

					author = p.Information.Author;

					url = p.Information.Url;

					dll = p.GetType().Assembly.FullName;

					config = ProviderLoader.LoadConfiguration(p.GetType().ToString());

					break;

				case "[F]":

					IFormatterProvider f = Collectors.FormatterProviderCollector.GetProvider(name);

					if(f == null) f = Collectors.DisabledFormatterProviderCollector.GetProvider(name);

					name = f.Information.Name;

					author = f.Information.Author;

					url = f.Information.Url;

					dll = f.GetType().Assembly.FullName;

					config = ProviderLoader.LoadConfiguration(f.GetType().ToString());

					break;

				default:

					throw new Exception();

			}

			dll = dll.Substring(0, dll.IndexOf(",")) + ".dll";

			StringBuilder sb = new StringBuilder();

			sb.Append("<big><b>");

			sb.Append(name);

			sb.Append("</b></big><br />");

			sb.Append(@"<a href=""");

			sb.Append(url);

			sb.Append(@""" target=""_blank"">");

			sb.Append(author);

			sb.Append("</a><br />");

			sb.Append(Resources.Messages.LocatedIn);

			sb.Append(": <b>");

			sb.Append(dll);

			sb.Append("</b><br /><br />");

			sb.Append(Resources.Messages.ConfigurationString);

			sb.Append(":<br />");

			sb.Append(@"<code>");

			sb.Append(HttpContext.Current.Server.HtmlEncode(config));

			sb.Append("</code>");



			lblProviderInfo.Text = sb.ToString();

		}



		protected void lstPagesProviderFrom_SelectedIndexChanged(object sender, EventArgs e) {

			lstPagesProviderTo.Items.Clear();

			if(lstPagesProviderFrom.SelectedValue.Equals("-")) {

				btnMovePages.Enabled = false;

				return;

			}

			IPagesStorageProvider[] provs = Collectors.PagesProviderCollector.AllProviders;

			for(int i = 0; i < provs.Length; i++) {

				if(!provs[i].GetType().ToString().Equals(lstPagesProviderFrom.SelectedValue) &&

					!provs[i].ReadOnly) {

					lstPagesProviderTo.Items.Add(new ListItem(provs[i].Information.Name, provs[i].GetType().ToString()));

				}

			}

			if(lstPagesProviderTo.Items.Count > 0) btnMovePages.Enabled = true;

			else btnMovePages.Enabled = false;

		}



		protected void btnMovePages_Click(object sender, EventArgs e) {

			IPagesStorageProvider from = Collectors.PagesProviderCollector.GetProvider(lstPagesProviderFrom.SelectedValue);

			IPagesStorageProvider to = Collectors.PagesProviderCollector.GetProvider(lstPagesProviderTo.SelectedValue);



			DataMover.MovePages(from, to);



			Content.PseudoCache.Clear();

			Content.InvalidateAll();

			Pages.Instance.Reload();



			LoadPages(true);

			LoadCategories();

			LoadSnippets();

			LoadNavPaths();

		}



		protected void lstUsersProviderFrom_SelectedIndexChanged(object sender, EventArgs e) {

			lstUsersProviderTo.Items.Clear();

			if(lstUsersProviderFrom.SelectedValue.Equals("-")) {

				btnMoveUsers.Enabled = false;

				return;

			}

			IUsersStorageProvider[] provs = Collectors.UsersProviderCollector.AllProviders;

			for(int i = 0; i < provs.Length; i++) {

				if(!provs[i].GetType().ToString().Equals(lstUsersProviderFrom.SelectedValue) &&

					!provs[i].ReadOnly) {

					lstUsersProviderTo.Items.Add(new ListItem(provs[i].Information.Name, provs[i].GetType().ToString()));

				}

			}

			if(lstUsersProviderTo.Items.Count > 0) btnMoveUsers.Enabled = true;

			else btnMoveUsers.Enabled = false;

		}



		protected void btnMoveUsers_Click(object sender, EventArgs e) {

			IUsersStorageProvider from = Collectors.UsersProviderCollector.GetProvider(lstUsersProviderFrom.SelectedValue);

			IUsersStorageProvider to = Collectors.UsersProviderCollector.GetProvider(lstUsersProviderTo.SelectedValue);



			DataMover.MoveUsers(from, to);



			Users.Instance.Reload();



			LoadUsers();

		}



		#endregion



		#region Custom Validators



		protected void cvUsername_ServerValidate(object source, ServerValidateEventArgs args) {

			if ((string.Compare(txtUsername.Text.ToLowerInvariant(), "admin") == 0) || (string.Compare(txtUsername.Text.ToLowerInvariant(), "guest") == 0) ) {

				args.IsValid = false;

				return;

			}



			Users u = Users.Instance;

			args.IsValid = (u.Find(txtUsername.Text) == null);

		}

		

		protected void cvPassword1_ServerValidate(object source, ServerValidateEventArgs args) {

			args.IsValid = (string.Compare(txtPassword1.Text, txtPassword2.Text, true) == 0);

		}

		

		protected void cvPassword2_ServerValidate(object source, ServerValidateEventArgs args) {

			args.IsValid = true;

		}



		protected void cvDateTimeFormat_ServerValidate(object source, ServerValidateEventArgs args) {

			try {

				if(txtDateTimeFormat.Text.Length == 0) throw new Exception();

				string.Format("{0:" + txtDateTimeFormat.Text + "}", DateTime.Now);

				args.IsValid = true;

			}

			catch {

				args.IsValid = false;

			}

		}



		protected void cvSmtpAuth_ServerValidate(object source, ServerValidateEventArgs args) {

			if(txtSmtpPassword.Text.Length > 0 && txtSmtpUsername.Text.Length == 0) args.IsValid = false;

			else args.IsValid = true;

		}

		

		#endregion



	}



}