private ImageCardContext CreateImageContext(PickerItem cardPickerItem, Attachment attachment)
{
HeroCard card = JsonConvert.DeserializeObject <HeroCard>(attachment.Content.ToString());
ImageCardContext imageContext = new ImageCardContext();
if (card.Images != null && card.Images.Count > 0)
{
imageContext.Image = card.Images[0].Url;
}
imageContext.Title = card.Title;
imageContext.Subtitle = card.Subtitle;
imageContext.Description = card.Text;
foreach (CardAction action in card.Buttons)
{
CardAction currentAction = action;
CardActionContext actionContext = new CardActionContext()
{
Text = currentAction.Title,
Command = new Command(() =>
{
this.chat.Items.Remove(cardPickerItem);
this.chat.Items.Add(new TextMessage()
{
Author = this.chat.Author, Text = currentAction.Value.ToString()
});
})
};
imageContext.Actions.Add(actionContext);
}
return(imageContext);
}
private void RenderCards(JToken attachments)
{
string layout = Convert.ToString(attachments.Parent.Parent["attachmentLayout"]);
if (layout != "carousel")
{
return;
}
List <CardContext> imageCards = new List <CardContext>();
CardPickerContext cardContext = new CardPickerContext();
PickerItem cardPickerItem = new PickerItem {
Context = cardContext
};
foreach (JToken attachment in attachments)
{
List <CardActionContext> actions = new List <CardActionContext>();
foreach (var action in attachment["buttons"])
{
var localAction = action;
actions.Add(new CardActionContext()
{
Text = Convert.ToString(localAction["title"]),
Command = new Command(() =>
{
this.chat.Items.Remove(cardPickerItem);
string actionText = Convert.ToString(localAction["value"]);
this.chat.Items.Add(new TextMessage()
{
Text = actionText, Author = this.chat.Author
});
})
});
}
ImageCardContext imageContext = new ImageCardContext();
if (attachment["images"] != null && attachment["images"].Count() > 0)
{
imageContext.Image = (Convert.ToString(attachment["images"][0]["url"]));
}
imageContext.Title = Convert.ToString(attachment["title"]);
imageContext.Subtitle = Convert.ToString(attachment["subtitle"]);
imageContext.Actions = actions;
imageCards.Add(imageContext);
}
cardContext.Cards = imageCards;
this.chat.Items.Add(cardPickerItem);
}
private ChatItem CreateCarouselPickerItem(Activity activity)
{
CardPickerContext cardContext = new CardPickerContext();
List <CardContext> imageCards = new List <CardContext>();
PickerItem cardPickerItem = new PickerItem();
foreach (Attachment attachment in activity.Attachments)
{
if (attachment.ContentType != "application/vnd.microsoft.card.hero")
{
continue;
}
ImageCardContext imageContext = this.CreateImageContext(cardPickerItem, attachment);
imageCards.Add(imageContext);
}
cardContext.Cards = imageCards;
cardPickerItem.Context = cardContext;
return(cardPickerItem);
}
