public virtual void AddMessage(ChatMessage message)
{
if (message.Author == null)
{
throw new ArgumentNullException("Author", "An author must be specified for each message added.");
}
bool flag = this.MessagesViewElement.VScrollBar.Value == this.MessagesViewElement.VScrollBar.Maximum - this.MessagesViewElement.VScrollBar.LargeChange + 1;
BaseChatDataItem dataItem = this.ChatFactory.CreateDataItem(message);
if (dataItem != null)
{
this.MessagesViewElement.Items.Add(dataItem);
}
ChatSuggestedActionsMessage suggestedActionsMessage = message as ChatSuggestedActionsMessage;
if (suggestedActionsMessage != null)
{
this.SuggestedActionsElement.ClearActions();
this.SuggestedActionsElement.AddActions(suggestedActionsMessage.SuggestedActions);
this.SuggestedActionsElement.Visibility = ElementVisibility.Visible;
}
ChatOverlayMessage message1 = message as ChatOverlayMessage;
if (message1 != null)
{
this.ShowOverlay(message1);
}
if (!flag)
{
return;
}
for (int index = 0; index < 3; ++index)
{
this.MessagesViewElement.VScrollBar.Value = this.MessagesViewElement.VScrollBar.Maximum - this.MessagesViewElement.VScrollBar.LargeChange + 1;
Application.DoEvents();
}
}
public virtual void ShowOverlay(ChatOverlayMessage message)
{
this.ChatElement.ShowOverlay(message);
}
public virtual void ShowOverlay(ChatOverlayMessage message)
{
if (this.IsOverlayShown || this.IsPopupOverlayShown)
{
if (this.IsOverlayShown)
{
BaseChatOverlay child = this.OverlayElement.Children[0] as BaseChatOverlay;
if (child != null)
{
child.ChatElement = (RadChatElement)null;
}
this.OverlayElement.Children.Clear();
this.OverlayElement.Visibility = ElementVisibility.Collapsed;
this.InputTextBox.Visibility = ElementVisibility.Visible;
this.IsOverlayShown = false;
}
else if (this.IsPopupOverlayShown)
{
BaseChatOverlay child = this.OverlayPopupElement.Children[0] as BaseChatOverlay;
if (child != null)
{
child.ChatElement = (RadChatElement)null;
}
this.OverlayPopupElement.Children.Clear();
this.OverlayPopupElement.Visibility = ElementVisibility.Collapsed;
this.IsPopupOverlayShown = false;
}
}
message.OverlayElement.ChatElement = this;
if (message.ShowAsPopup)
{
message.OverlayElement.PrepareForPopupDisplay();
this.OverlayPopupElement.Children.Add((RadElement)message.OverlayElement);
this.OverlayPopupElement.Visibility = ElementVisibility.Visible;
this.IsPopupOverlayShown = true;
}
else
{
message.OverlayElement.PrepareForOverlayDisplay();
this.OverlayElement.Children.Add((RadElement)message.OverlayElement);
this.OverlayElement.Visibility = ElementVisibility.Visible;
this.InputTextBox.Visibility = ElementVisibility.Collapsed;
this.IsOverlayShown = true;
}
message.OverlayElement.CurrentValue = message.OverlayElement.CurrentValue;
foreach (RadHostItem descendant in message.OverlayElement.GetDescendants((Predicate <RadElement>)(x => x is RadHostItem), TreeTraversalMode.BreadthFirst))
{
if (!string.IsNullOrEmpty(ThemeResolutionService.ApplicationThemeName))
{
ThemeResolutionService.ApplyThemeToControlTree(descendant.HostedControl, ThemeResolutionService.ApplicationThemeName);
}
else
{
string themeName = this.ElementTree.ThemeName;
if (string.IsNullOrEmpty(themeName))
{
themeName = "ControlDefault";
}
ThemeResolutionService.ApplyThemeToControlTree(descendant.HostedControl, themeName);
}
}
}