Fixed help files.

WebApplication/ClientImageBrowser.ascx.cs

@@ -0,0 +1,157 @@
+
+using System;
+using System.Data;
+using System.Configuration;
+using System.Collections;
+using System.Collections.Generic;
+using System.Web;
+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.Text;
+
+namespace ScrewTurn.Wiki {
+
+	public partial class ClientImageBrowser : System.Web.UI.UserControl {
+
+		private const string ClientBrowserItems = "ClientBrowserItems";
+
+		private string leafCssClass = "";
+		private string nodeCssClass = "";
+		private string nodeContent = "";
+		private string upCssClass = "";
+		private string upLevelContent = "";
+
+		protected void Page_Load(object sender, EventArgs e) {
+			Render();
+		}
+
+		/// <summary>
+		/// Removes all the items in the browser and re-populates it.
+		/// </summary>
+		public void PopulateBrowser() {
+			if(Populate == null) ViewState[ClientBrowserItems] = new List<TreeElement>();
+			else ViewState[ClientBrowserItems] = Populate(this, new PopulateEventArgs());
+
+			Render();
+		}
+
+		private void Render() {
+			lblStrings.Text = string.Format("<script type=\"text/javascript\">\r\n<!--\r\n\tvar CurrentDivId = \"{0}\";\r\n// -->\r\n</script>", BuildSubTreeContainerID(0));
+
+			List<TreeElement> items = (List<TreeElement>)ViewState[ClientBrowserItems];
+			if(items == null) return;
+
+			StringBuilder sb = new StringBuilder();
+			sb.Append(@"<div class=""browsercontainer"">");
+			int iteration = 0;
+			RenderSubTree(items, sb, ref iteration, BuildSubTreeContainerID(0));
+			sb.Append("</div>");
+			lblContent.Text = sb.ToString();
+		}
+
+		private void RenderSubTree(List<TreeElement> items, StringBuilder sb, ref int iteration, string parentId) {
+			// This method generates the client markup and JavaScript that contains a tree of images
+			// The sub-trees are NOT rendered as nested elements
+
+			StringBuilder temp = new StringBuilder();
+
+			string id = BuildSubTreeContainerID(iteration);
+
+			sb.AppendFormat(@"<div id=""{0}""{1}>", id, (iteration != 0 ? @" style=""display: none;""" : ""));
+
+			if(iteration != 0) {
+				sb.AppendFormat(@"<div class=""{0}""><a href=""#"" class=""{0}"" onclick=""javascript:return DisplayDiv('{1}');"" title=""{2}"">{3}</a></div>",
+					upCssClass, parentId, Properties.Messages.UpLevel, upLevelContent + Properties.Messages.UpLevel);
+			}
+
+			foreach(TreeElement item in items) {
+				iteration++; // Before invoking RenderSubTree recursively!
+				// Render item
+				RenderItem(item, sb, iteration);
+				if(item.SubItems.Count > 0) {
+					RenderSubTree(item.SubItems, temp, ref iteration, id);
+				}
+			}
+
+			sb.Append("</div>");
+
+			sb.Append(temp.ToString());
+		}
+
+		private void RenderItem(TreeElement item, StringBuilder sb, int iteration) {
+			if(item.SubItems.Count > 0) {
+				// Expanding link
+				string containerId = BuildSubTreeContainerID(iteration);
+				sb.AppendFormat(@"<div class=""{0}""><a href=""#"" class=""{0}"" onclick=""javascript:return DisplayDiv('{1}');"" title=""{2}"">{3}</a></div>",
+					nodeCssClass, containerId, item.Name, nodeContent + item.Text);
+			}
+			else {
+				// Action link
+				sb.AppendFormat(@"<div class=""{0}""><a href=""#"" class=""{0}"" onclick=""{1}"" title=""{2}"">{3}</a></div>",
+					leafCssClass, item.OnClientClick, item.Name, item.Text);
+			}
+		}
+
+		private string BuildSubTreeContainerID(int iteration) {
+			return string.Format("sub_{0}_{1}", ID, iteration);
+		}
+
+		/// <summary>
+		/// Gets or sets the CSS Class for leaf items.
+		/// </summary>
+		public string LeafCssClass {
+			get { return leafCssClass; }
+			set { leafCssClass = value; }
+		}
+
+		/// <summary>
+		/// Gets or sets the CSS Class for folder items.
+		/// </summary>
+		public string NodeCssClass {
+			get { return nodeCssClass; }
+			set { nodeCssClass = value; }
+		}
+
+		/// <summary>
+		/// Gets or sets the content for folder items.
+		/// </summary>
+		public string NodeContent {
+			get { return nodeContent; }
+			set { nodeContent = value; }
+		}
+
+		/// <summary>
+		/// Gets or sets the CSS Class for "Up one level" nodes.
+		/// </summary>
+		public string UpCssClass {
+			get { return upCssClass; }
+			set { upCssClass = value; }
+		}
+
+		/// <summary>
+		/// Gets or sets the content for "Up one level" nodes.
+		/// </summary>
+		public string UpLevelContent {
+			get { return upLevelContent; }
+			set { upLevelContent = value; }
+		}
+
+		/// <summary>
+		/// Delegate used for handling the Populate event.
+		/// </summary>
+		/// <param name="sender">The object that fired the event.</param>
+		/// <param name="e">The event arguments.</param>
+		/// <returns>A list of items contained in the expanded sub-tree.</returns>
+		public delegate List<TreeElement> PopulateEventHandler(object sender, PopulateEventArgs e);
+
+		/// <summary>
+		/// Occurs when a sub-tree is populated.
+		/// </summary>
+		public event PopulateEventHandler Populate;
+
+	}
+
+}