2018-05-19 23:23:01 +02:00

103 lines
2.6 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TelegramBotBase.Base;
namespace TelegramBotBase.Form
{
public class PromptDialog : FormBase
{
public String Message { get; set; }
public List<ButtonBase> Buttons { get; set; }
public Dictionary<String, FormBase> ButtonForms { get; set; } = new Dictionary<string, FormBase>();
private EventHandlerList __Events { get; set; } = new EventHandlerList();
private static object __evButtonClicked { get; } = new object();
public PromptDialog()
{
}
public PromptDialog(String Message)
{
this.Message = Message;
this.Buttons = new List<Form.ButtonBase>();
}
public PromptDialog(String Message, params ButtonBase[] Buttons)
{
this.Message = Message;
this.Buttons = Buttons.ToList();
}
public override async Task Action(MessageResult message)
{
var call = message.GetData<CallbackData>();
if (call == null)
return;
message.Handled = true;
await message.ConfirmAction();
await message.DeleteMessage();
ButtonBase button = this.Buttons.FirstOrDefault(a => a.Value == call.Value);
if (button == null)
{
return;
}
OnButtonClicked(new ButtonClickedEventArgs(button));
FormBase fb = ButtonForms.ContainsKey(call.Value) ? ButtonForms[call.Value] : null;
if (fb != null)
{
await this.NavigateTo(fb);
}
}
public override async Task Render(MessageResult message)
{
ButtonForm btn = new ButtonForm();
var buttons = this.Buttons.Select(a => new ButtonBase(a.Text, CallbackData.Create("action", a.Value))).ToList();
btn.AddButtonRow(buttons);
await this.Device.Send(this.Message, btn);
}
public event EventHandler<ButtonClickedEventArgs> ButtonClicked
{
add
{
this.__Events.AddHandler(__evButtonClicked, value);
}
remove
{
this.__Events.RemoveHandler(__evButtonClicked, value);
}
}
public void OnButtonClicked(ButtonClickedEventArgs e)
{
(this.__Events[__evButtonClicked] as EventHandler<ButtonClickedEventArgs>)?.Invoke(this, e);
}
}
}