public static HelpInfo FromText(string topic, string desc, string id = null)
{
HelpInfo info = new HelpInfo();
info.id = id;
info.topic = topic;
info.desc = desc;
return info;
}
public void UpdateFromProvider(IHelpProvider provider, HelpInfo info)
{
if (this.ActiveHelpProvider == provider)
{
if (info != null)
{
this.Switch(provider, info);
}
else
{
this.Pop(provider);
}
}
else if (info != null)
{
this.Push(provider, info);
}
}
public void Push(IHelpProvider sender, HelpInfo info)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (info == null)
{
throw new ArgumentNullException("info");
}
HelpInfo lastActiveHelp = this.ActiveHelp;
stack.Add(new KeyValuePair <IHelpProvider, HelpInfo>(sender, info));
if (lastActiveHelp != this.ActiveHelp)
{
this.OnActiveHelpChanged(lastActiveHelp, this.ActiveHelp);
}
}
public static HelpInfo FromMember(MemberInfo member)
{
if (member == null) return null;
XmlCodeDoc.Entry doc = HelpSystem.GetXmlCodeDoc(member);
if (doc != null)
{
HelpInfo info = new HelpInfo();
info.id = member.GetMemberId();
info.topic = member.Name;
info.desc = "";
if (doc.Summary != null) info.desc += doc.Summary;
if (doc.Remarks != null) info.desc += "\n\n" + doc.Remarks;
return info;
}
return CreateNotAvailable(member.Name);
}
public void Pop(IHelpProvider sender)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
HelpInfo lastActiveHelp = this.ActiveHelp;
for (int i = stack.Count - 1; i >= 0; i--)
{
if (stack[i].Key == sender)
{
stack.RemoveAt(i);
break;
}
}
if (lastActiveHelp != this.ActiveHelp)
{
this.OnActiveHelpChanged(lastActiveHelp, this.ActiveHelp);
}
}
private void OnActiveHelpChanged(HelpInfo last, HelpInfo current)
{
if (this.ActiveHelpChanged != null)
this.ActiveHelpChanged(this, new HelpStackChangedEventArgs(last, current));
}
public void UpdateFromProvider(IHelpProvider provider, HelpInfo info)
{
if (this.ActiveHelpProvider == provider)
{
if (info != null)
this.Switch(provider, info);
else
this.Pop(provider);
}
else if (info != null)
this.Push(provider, info);
}
public void UpdateFromProvider(IHelpProvider oldProvider, IHelpProvider newProvider, HelpInfo info)
{
if (oldProvider != null) this.Pop(oldProvider);
if (info != null) this.Push(newProvider, info);
}
public void Switch(IHelpProvider sender, HelpInfo newInfo)
{
if (sender == null) throw new ArgumentNullException("sender");
if (newInfo == null) throw new ArgumentNullException("newInfo");
HelpInfo lastActiveHelp = this.ActiveHelp;
for (int i = stack.Count - 1; i >= 0; i--)
{
if (stack[i].Key == sender)
{
stack[i] = new KeyValuePair<IHelpProvider,HelpInfo>(sender, newInfo);
break;
}
}
if (lastActiveHelp != this.ActiveHelp)
this.OnActiveHelpChanged(lastActiveHelp, this.ActiveHelp);
}
public void Push(IHelpProvider sender, HelpInfo info)
{
if (sender == null) throw new ArgumentNullException("sender");
if (info == null) throw new ArgumentNullException("info");
HelpInfo lastActiveHelp = this.ActiveHelp;
stack.Add(new KeyValuePair<IHelpProvider,HelpInfo>(sender, info));
if (lastActiveHelp != this.ActiveHelp)
this.OnActiveHelpChanged(lastActiveHelp, this.ActiveHelp);
}
public static bool DefaultPerformHelpAction(HelpInfo info)
{
MemberInfo member = !string.IsNullOrEmpty(info.Id) ? ReflectionHelper.ResolveMember(info.Id) : null;
if (member != null)
{
string memberHtmlName;
if (member is FieldInfo && member.DeclaringType.IsEnum)
memberHtmlName = member.DeclaringType.GetMemberId();
else
memberHtmlName = info.Id;
memberHtmlName = memberHtmlName.Replace('.', '_').Replace(':', '_').Replace('+', '_');
string ddocPath = Path.GetFullPath("DDoc.chm");
string cmdLine = string.Format("{0}::/html/{1}.htm", ddocPath, memberHtmlName);
Process[] proc = Process.GetProcessesByName("hh");
if (proc.Length > 0) proc[0].CloseMainWindow();
Process.Start("HH.exe", cmdLine);
return true;
}
return false;
}
public HelpStackChangedEventArgs(HelpInfo last, HelpInfo current)
{
this.last = last;
this.current = current;
}
public void UpdateFromProvider(IHelpProvider oldProvider, IHelpProvider newProvider, HelpInfo info)
{
if (oldProvider != null)
{
this.Pop(oldProvider);
}
if (info != null)
{
this.Push(newProvider, info);
}
}
public HelpStackChangedEventArgs(HelpInfo last, HelpInfo current)
{
this.last = last;
this.current = current;
}
