dynamic help: uses default entries (s. revision 489), uses the Project language to limit the help results

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@491 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/HtmlHelp2/Project/src/BaseControls/DynamicHelpPad.cs

@@ -27,11 +27,9 @@ namespace HtmlHelp2
 	using HtmlHelp2.Environment;
 	using HtmlHelp2.ResourcesHelperClass;
 	using MSHelpServices;
-	
-	
-	// TODO: detect the active language (CSharp, VB#, ...) to limit the results
+
+
 	// TODO: if there are no DH results, implement Keyword search (index)
-	// TODO: insert some default entries (Homepage, Wiki, Community, ...)
 
 
 	public class ShowDynamicHelpMenuCommand : AbstractMenuCommand
@@ -46,10 +44,10 @@ namespace HtmlHelp2
 	public class HtmlHelp2DynamicHelpPad : AbstractPadContent
 	{
 		protected HtmlHelp2DynamicHelpBrowserControl dynamicHelpBrowser;
-		private int internalIndex                 = 0;
-		private StringCollection dynamicHelpTerms = new StringCollection();
-		private string debugPreElement            = String.Empty;
-		private bool enableDebugInfo              = false;
+		private StringCollection dynamicHelpTerms   = new StringCollection();
+		private string debugPreElement              = String.Empty;
+		private bool enableDebugInfo                = true;
+		private Dictionary<string, string>languages = new Dictionary<string, string>();
 
 		public override Control Control
 		{
@@ -73,6 +71,11 @@ namespace HtmlHelp2
 			PropertyPad.SelectedObjectChanged      += new EventHandler(this.FormsDesignerSelectedObjectChanged);
 			PropertyPad.SelectedGridItemChanged    += new SelectedGridItemChangedEventHandler(this.FormsDesignerSelectedGridItemChanged);
 			ProjectService.SolutionClosed          += new EventHandler(this.SolutionClosed);
+
+			// I needed to patch SharpDevelop's current project language because
+			// the .NET Framework SDK documents use other names
+			languages.Add("C#", "CSharp");
+			languages.Add("VBNet", "VB");
 		}
 
 		#region WebBrowser Scripting
@@ -80,15 +83,29 @@ namespace HtmlHelp2
 		{
 			if(this.dynamicHelpTerms.Count == 0) return;
 			this.RemoveAllChildren();
-			this.debugPreElement     = String.Empty;
+			this.debugPreElement = String.Empty;
+
+			string tempLanguage  = String.Empty;
+			if(languages.ContainsKey(expectedLanguage))
+			{
+				if(!languages.TryGetValue(expectedLanguage, out tempLanguage))
+				{
+					tempLanguage = String.Empty;
+				}
+			}
 
 			Cursor.Current           = Cursors.WaitCursor;
 			foreach(string currentHelpTerm in dynamicHelpTerms)
 			{
-				this.CallDynamicHelp(currentHelpTerm, expectedLanguage, false);
+				this.CallDynamicHelp(currentHelpTerm, tempLanguage, false);
 			}
+			dynamicHelpBrowser.BuildDefaultHelpEntries();
 			Cursor.Current           = Cursors.Default;
-			if(this.enableDebugInfo) this.CreateDebugPre();
+
+			this.debugPreElement    += String.Format("<br>Current project language: {0}",
+			                                         (tempLanguage==String.Empty)?expectedLanguage:tempLanguage);
+
+			if(this.enableDebugInfo) dynamicHelpBrowser.CreateDebugPre(this.debugPreElement);
 		}
 
 		private bool CallDynamicHelp(string searchTerm, string expectedLanguage, bool keywordSearch)
@@ -114,201 +131,29 @@ namespace HtmlHelp2
 				List<IHxTopic> newTopics = this.SortTopics(topics);
 				foreach(IHxTopic topic in newTopics)
 				{
-					this.BuildNewChild(topic.Location,
-					                   topic.get_Title(HxTopicGetTitleType.HxTopicGetTOCTitle,
-					                                   HxTopicGetTitleDefVal.HxTopicGetTitleFileName),
-					                   topic.URL);
-				}
-			}
-			return result;
-		}
-
-
-		private void RemoveAllChildren()
-		{
-			this.internalIndex = 0;
-			dynamicHelpBrowser.RemoveAllChildren();
-		}
-
-		private void BuildNewChild(string sectionName, string topicName, string topicUrl)
-		{
-			try
-			{
-				HtmlElementCollection children = dynamicHelpBrowser.Document.Body.GetElementsByTagName("span");
-
-				if(children.Count > 0)
-				{
-					foreach(HtmlElement elem in children)
+					if(expectedLanguage == String.Empty || topic.HasAttribute("DevLang", expectedLanguage))
 					{
-						if(elem.GetAttribute("className") == "section")
-						{
-							HtmlElement sectionBlock = elem.FirstChild.NextSibling;
-							HtmlElement contentSpan  = sectionBlock.NextSibling.NextSibling;
-
-							if(sectionBlock.TagName == "B" && sectionBlock.InnerText == sectionName &&
-							   contentSpan.TagName == "SPAN" && contentSpan.GetAttribute("className") == "content")
-							{
-								if(!this.DoesLinkExist(contentSpan, topicName, topicUrl))
-								{
-									contentSpan.AppendChild(this.CreateNewLink(topicUrl, topicName));
-									contentSpan.AppendChild(this.CreateABreak());
-								}
-
-								return;
-							}
-						}
+						this.BuildNewChild(topic.Location,
+						                   topic.get_Title(HxTopicGetTitleType.HxTopicGetTOCTitle,
+						                                   HxTopicGetTitleDefVal.HxTopicGetTitleFileName),
+						                   topic.URL);
 					}
-
-					dynamicHelpBrowser.InsertHtmlElement(HtmlElementInsertionOrientation.BeforeEnd,
-					                                     this.CreateABreak());
 				}
-
-				HtmlElement linkContent = null;
-				HtmlElement htmlSection = this.CreateNewSection(sectionName, out linkContent);
-				dynamicHelpBrowser.InsertHtmlElement(HtmlElementInsertionOrientation.BeforeEnd, htmlSection);
-				linkContent.AppendChild(this.CreateNewLink(topicUrl, topicName));
-				linkContent.AppendChild(this.CreateABreak());
-
-				this.internalIndex++;
-			}
-			catch(Exception ex)
-			{
-				LoggingService.Error("Help 2.0: cannot build node for dynamic help; " + ex.ToString());
 			}
+			return result;
 		}
 
-		private HtmlElement CreateNewSection(string sectionName, out HtmlElement linkNode)
-		{
-			HtmlElement span        = null;
-			linkNode                = null;
-
-			try
-			{
-				span                = dynamicHelpBrowser.CreateHtmlElement("span");
-				span.SetAttribute("className", "section");
-
-				HtmlElement img     = dynamicHelpBrowser.CreateHtmlElement("img");
-				img.Style           = "width:16px;height:16px;margin-right:5px";
-				img.Id              = String.Format("image_{0}", this.internalIndex.ToString());
-				img.SetAttribute("src", "OpenBook.png");
-				span.AppendChild(img);
-
-				HtmlElement b       = dynamicHelpBrowser.CreateHtmlElement("b");
-				b.InnerText         = sectionName;
-				b.Style             = "cursor:pointer";
-				b.Id                = this.internalIndex.ToString();
-				b.Click            += new HtmlElementEventHandler(this.OnSectionClick);
-				span.AppendChild(b);
-
-				span.AppendChild(this.CreateABreak());
-
-				HtmlElement content = dynamicHelpBrowser.CreateHtmlElement("span");
-				content.Id          = String.Format("content_{0}", this.internalIndex.ToString());
-				content.SetAttribute("className", "content");
-				span.AppendChild(content);
-
-				linkNode            = content;
-			}
-			catch {}
-
-			return span;
-		}
-
-		private HtmlElement CreateNewLink(string topicUrl, string topicName)
-		{
-			HtmlElement span     = null;
-
-			try
-			{
-				span             = dynamicHelpBrowser.CreateHtmlElement("a");
-				span.InnerText   = topicName;
-				span.SetAttribute("src", topicUrl);
-				span.SetAttribute("className", "link");
-				span.SetAttribute("title", topicName);
-				span.Click      += new HtmlElementEventHandler(OnLinkClick);
-				span.MouseOver  += new HtmlElementEventHandler(OnMouseOver);
-				span.MouseLeave += new HtmlElementEventHandler(OnMouseOut);
-			}
-			catch {}
-
-			return span;
-		}
-
-		private HtmlElement CreateABreak()
+		private void BuildNewChild(string sectionName, string topicName, string topicUrl)
 		{
-			HtmlElement br = null;
-
-			try
-			{
-				br         = dynamicHelpBrowser.CreateHtmlElement("br");
-			}
-			catch {}
-
-			return br;
+			dynamicHelpBrowser.BuildNewChild(sectionName, topicName, topicUrl);
 		}
 
-		private bool DoesLinkExist(HtmlElement parentNode, string topicName, string topicUrl)
+		private void RemoveAllChildren()
 		{
-			try
-			{
-				HtmlElementCollection allLinks = parentNode.GetElementsByTagName("a");
-				if(allLinks.Count > 0)
-				{
-					foreach(HtmlElement link in allLinks)
-					{
-						if(String.Compare(topicName, link.InnerText) == 0 &&
-						   String.Compare(topicUrl, link.GetAttribute("src")) == 0)
-						{
-							return true;
-						}
-					}
-				}
-			}
-			catch { }
-
-			return false;
+			dynamicHelpBrowser.RemoveAllChildren();
 		}
 		#endregion
 
-		private void OnMouseOver(object sender, HtmlElementEventArgs e)
-		{
-			try
-			{
-				StatusBarService.SetMessage(((HtmlElement)sender).GetAttribute("src"));
-			}
-			catch {}
-		}
-
-		private void OnMouseOut(object sender, HtmlElementEventArgs e)
-		{
-			StatusBarService.SetMessage("");
-		}
-
-		private void OnSectionClick(object sender, HtmlElementEventArgs e)
-		{
-			try
-			{
-				string sectionId  = ((HtmlElement)sender).Id;
-				object[] objArray = new object[1];
-				objArray[0]       = (object)sectionId;
-				dynamicHelpBrowser.Document.InvokeScript("ExpandCollapse", objArray);
-			}
-			catch(Exception ex)
-			{
-				LoggingService.Error("Help 2.0: cannot run script; " + ex.ToString());
-			}
-		}
-
-		private void OnLinkClick(object sender, HtmlElementEventArgs e)
-		{
-			try
-			{
-				string url = ((HtmlElement)sender).GetAttribute("src");
-				if(url != null && url != String.Empty) ShowHelpBrowser.OpenHelpView(url);
-			}
-			catch {}
-		}
-
 		#region Taken from DefinitionView.cs
 		private void UpdateTick(object sender, ParserUpdateStepEventArgs e)
 		{
@@ -344,7 +189,9 @@ namespace HtmlHelp2
 				this.AddToStringCollection(0, types.ResolvedClass.FullyQualifiedName);
 			}
 
-			WorkbenchSingleton.SafeThreadAsyncCall(this, "BuildDynamicHelpList", "");
+			WorkbenchSingleton.SafeThreadAsyncCall(this,
+			                                       "BuildDynamicHelpList",
+			                                       ProjectService.CurrentProject.Language);
 		}
 
 		private ResolveResult ResolveAtCaret(ParserUpdateStepEventArgs e)
@@ -397,28 +244,9 @@ namespace HtmlHelp2
 			}
 			this.AddToStringCollection(myObject.FullName);
 
-			WorkbenchSingleton.SafeThreadAsyncCall(this, "BuildDynamicHelpList", "");
-		}
-		#endregion
-
-		#region DebugInfo
-		private void CreateDebugPre()
-		{
-			if(this.debugPreElement == String.Empty) return;
-
-			try
-			{
-				dynamicHelpBrowser.Document.Body.InsertAdjacentElement(HtmlElementInsertionOrientation.BeforeEnd,
-				                                                       this.CreateABreak());
-				dynamicHelpBrowser.Document.Body.InsertAdjacentElement(HtmlElementInsertionOrientation.BeforeEnd,
-				                                                       this.CreateABreak());
-
-				HtmlElement pre = dynamicHelpBrowser.CreateHtmlElement("pre");
-				pre.InnerHtml   = "--- Dynamic Help Debug ---<br>" + this.debugPreElement;
-
-				dynamicHelpBrowser.InsertHtmlElement(HtmlElementInsertionOrientation.BeforeEnd, pre);
-			}
-			catch {}
+			WorkbenchSingleton.SafeThreadAsyncCall(this,
+			                                       "BuildDynamicHelpList",
+			                                       ProjectService.CurrentProject.Language);
 		}
 		#endregion
 
@@ -495,34 +323,13 @@ namespace HtmlHelp2
 	{
 		WebBrowser axWebBrowser      = new WebBrowser();
 		ToolStrip dynamicHelpToolbar = new ToolStrip();
+		int internalIndex            = 0;
 		string[] toolbarButtons      = new string[] {
 			"${res:AddIns.HtmlHelp2.Contents}",
 			"${res:AddIns.HtmlHelp2.Index}",
 			"${res:AddIns.HtmlHelp2.Search}"
 		};
 
-		public HtmlDocument Document
-		{
-			get { return axWebBrowser.Document;	}
-		}
-
-		public void RemoveAllChildren()
-		{
-			axWebBrowser.Document.Body.InnerHtml = "";
-		}
-
-		public HtmlElement CreateHtmlElement(string elementName)
-		{
-			HtmlElement newElement = axWebBrowser.Document.CreateElement(elementName);
-			return newElement;
-		}
-
-		public void InsertHtmlElement(HtmlElementInsertionOrientation insertWhere, HtmlElement insertWhat)
-		{
-			axWebBrowser.Document.Body.InsertAdjacentElement(insertWhere, insertWhat);
-		}
-
-
 		public void RedrawContent()
 		{
 			for(int i = 0; i < toolbarButtons.Length; i++)
@@ -610,6 +417,242 @@ namespace HtmlHelp2
 		private void NamespaceReloaded(object sender, EventArgs e)
 		{
 			this.LoadDynamicHelpPage();
+			this.RemoveAllChildren();
+			this.BuildDefaultHelpEntries();
+		}
+		#endregion
+
+		#region WebBrowser Scripting
+		public void BuildNewChild(string sectionName, string topicName, string topicUrl)
+		{
+			try
+			{
+				HtmlElementCollection children = axWebBrowser.Document.Body.GetElementsByTagName("span");
+
+				if(children.Count > 0)
+				{
+					foreach(HtmlElement elem in children)
+					{
+						if(elem.GetAttribute("className") == "section")
+						{
+							HtmlElement sectionBlock = elem.FirstChild.NextSibling;
+							HtmlElement contentSpan  = sectionBlock.NextSibling.NextSibling;
+
+							if(sectionBlock.TagName == "B" && sectionBlock.InnerText == sectionName &&
+							   contentSpan.TagName == "SPAN" && contentSpan.GetAttribute("className") == "content")
+							{
+								if(!this.DoesLinkExist(contentSpan, topicName, topicUrl))
+								{
+									contentSpan.AppendChild(this.CreateNewLink(topicUrl, topicName));
+									contentSpan.AppendChild(this.CreateABreak());
+								}
+
+								return;
+							}
+						}
+					}
+
+					axWebBrowser.Document.Body.InsertAdjacentElement(HtmlElementInsertionOrientation.BeforeEnd,
+					                                                 this.CreateABreak());
+				}
+
+				HtmlElement linkContent = null;
+				HtmlElement htmlSection = this.CreateNewSection(sectionName, out linkContent);
+				axWebBrowser.Document.Body.InsertAdjacentElement(HtmlElementInsertionOrientation.BeforeEnd,
+				                                                 htmlSection);
+				linkContent.AppendChild(this.CreateNewLink(topicUrl, topicName));
+				linkContent.AppendChild(this.CreateABreak());
+
+				this.internalIndex++;
+			}
+			catch(Exception ex)
+			{
+				LoggingService.Error("Help 2.0: cannot build node for dynamic help; " + ex.ToString());
+			}
+		}
+
+		private HtmlElement CreateNewSection(string sectionName, out HtmlElement linkNode)
+		{
+			HtmlElement span        = null;
+			linkNode                = null;
+
+			try
+			{
+				span                = axWebBrowser.Document.CreateElement("span");
+				span.SetAttribute("className", "section");
+
+				HtmlElement img     = axWebBrowser.Document.CreateElement("img");
+				img.Style           = "width:16px;height:16px;margin-right:5px";
+				img.Id              = String.Format("image_{0}", this.internalIndex.ToString());
+				img.SetAttribute("src", "OpenBook.png");
+				span.AppendChild(img);
+
+				HtmlElement b       = axWebBrowser.Document.CreateElement("b");
+				b.InnerText         = sectionName;
+				b.Style             = "cursor:pointer";
+				b.Id                = this.internalIndex.ToString();
+				b.Click            += new HtmlElementEventHandler(this.OnSectionClick);
+				span.AppendChild(b);
+
+				span.AppendChild(this.CreateABreak());
+
+				HtmlElement content = axWebBrowser.Document.CreateElement("span");
+				content.Id          = String.Format("content_{0}", this.internalIndex.ToString());
+				content.SetAttribute("className", "content");
+				span.AppendChild(content);
+
+				linkNode            = content;
+			}
+			catch {}
+
+			return span;
+		}
+
+		private HtmlElement CreateNewLink(string topicUrl, string topicName)
+		{
+			HtmlElement span     = null;
+
+			try
+			{
+				span             = axWebBrowser.Document.CreateElement("a");
+				span.InnerText   = topicName;
+				span.SetAttribute("src", topicUrl);
+				span.SetAttribute("className", "link");
+				span.SetAttribute("title", topicName);
+				span.Click      += new HtmlElementEventHandler(OnLinkClick);
+				span.MouseOver  += new HtmlElementEventHandler(OnMouseOver);
+				span.MouseLeave += new HtmlElementEventHandler(OnMouseOut);
+			}
+			catch {}
+
+			return span;
+		}
+
+		private HtmlElement CreateABreak()
+		{
+			HtmlElement br = null;
+
+			try
+			{
+				br         = axWebBrowser.Document.CreateElement("br");
+			}
+			catch {}
+
+			return br;
+		}
+
+		private bool DoesLinkExist(HtmlElement parentNode, string topicName, string topicUrl)
+		{
+			try
+			{
+				HtmlElementCollection allLinks = parentNode.GetElementsByTagName("a");
+				if(allLinks.Count > 0)
+				{
+					foreach(HtmlElement link in allLinks)
+					{
+						if(String.Compare(topicName, link.InnerText) == 0 &&
+						   String.Compare(topicUrl, link.GetAttribute("src")) == 0)
+						{
+							return true;
+						}
+					}
+				}
+			}
+			catch { }
+
+			return false;
+		}
+
+		private void OnMouseOver(object sender, HtmlElementEventArgs e)
+		{
+			try
+			{
+				StatusBarService.SetMessage(((HtmlElement)sender).GetAttribute("src"));
+			}
+			catch {}
+		}
+
+		private void OnMouseOut(object sender, HtmlElementEventArgs e)
+		{
+			StatusBarService.SetMessage("");
+		}
+
+		private void OnSectionClick(object sender, HtmlElementEventArgs e)
+		{
+			try
+			{
+				string sectionId  = ((HtmlElement)sender).Id;
+				object[] objArray = new object[1];
+				objArray[0]       = (object)sectionId;
+				axWebBrowser.Document.InvokeScript("ExpandCollapse", objArray);
+			}
+			catch(Exception ex)
+			{
+				LoggingService.Error("Help 2.0: cannot run script; " + ex.ToString());
+			}
+		}
+
+		private void OnLinkClick(object sender, HtmlElementEventArgs e)
+		{
+			try
+			{
+				string url = ((HtmlElement)sender).GetAttribute("src");
+				if(url != null && url != String.Empty) ShowHelpBrowser.OpenHelpView(url);
+			}
+			catch {}
+		}
+
+
+		public void RemoveAllChildren()
+		{
+			axWebBrowser.Document.Body.InnerHtml = "";
+			this.internalIndex                   = 0;
+		}
+
+		public void BuildDefaultHelpEntries()
+		{
+			try
+			{
+				XmlDocument xmldoc   = new XmlDocument();
+				xmldoc.Load(String.Format("{0}\\DynamicHelpDefaultEntries.xml",
+				                          Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)));
+
+				XmlNodeList sectionNodes = xmldoc.SelectNodes("/defaultentries/section[@name]");
+				foreach(XmlNode sectionNode in sectionNodes)
+				{
+					XmlNodeList urlNodes = sectionNode.SelectNodes("url[@name and text()!=\"\"]");
+					foreach(XmlNode urlNode in urlNodes)
+					{
+						string sectionName = sectionNode.Attributes.GetNamedItem("name").InnerText;
+						string url         = urlNode.InnerText;
+						string id          = urlNode.Attributes.GetNamedItem("name").InnerText;
+						this.BuildNewChild(sectionName, id, url);
+					}
+				}
+			}
+			catch { /* I don't care about the results */ }			
+		}
+		#endregion
+
+		#region DebugInfo
+		public void CreateDebugPre(string debugInformation)
+		{
+			if(debugInformation == String.Empty) return;
+
+			try
+			{
+				axWebBrowser.Document.Body.InsertAdjacentElement(HtmlElementInsertionOrientation.BeforeEnd,
+				                                                 this.CreateABreak());
+				axWebBrowser.Document.Body.InsertAdjacentElement(HtmlElementInsertionOrientation.BeforeEnd,
+				                                                 this.CreateABreak());
+
+				HtmlElement pre = axWebBrowser.Document.CreateElement("pre");
+				pre.InnerHtml   = "--- Dynamic Help Debug ---<br>" + debugInformation;
+
+				axWebBrowser.Document.Body.InsertAdjacentElement(HtmlElementInsertionOrientation.BeforeEnd,
+				                                                 pre);
+			}
+			catch {}
 		}
 		#endregion
 	}

src/AddIns/Misc/HtmlHelp2/Project/src/Service/HtmlHelp2Service.cs

@@ -284,6 +284,7 @@ namespace HtmlHelp2.Environment
 			try
 			{
 				topics = ((IHxIndex)dynamicHelp).GetTopicsFromString(searchTerm, 0);
+				LoggingService.Info("Help 2.0: Dynamic Help successfully called");
 			}
 			catch
 			{
@@ -302,6 +303,7 @@ namespace HtmlHelp2.Environment
 			try
 			{
 				topics = GetIndex(currentSelectedFilterQuery).GetTopicsFromString(searchTerm, 0);
+				LoggingService.Info("Help 2.0: Keyword search successfully called");
 			}
 			catch
 			{