New control: MultiToggleButton

- new control for having multiple simple toggle options

README.md

@@ -77,6 +77,8 @@ Thanks !
 
     * [CheckedButtonList](#checked-button-list)
 
+    * [MultiToggleButton](#multi-toggle-button)
+
 - [Groups](#groups)
 	* [SplitterForm](#splitter-form)
 
@@ -814,6 +816,8 @@ await this.NavigateTo(cd);
 ### Checked Button List
 <img src="images/checkedbuttonlist.gif?raw=true" />
 
+### Multi Toggle Button
+<img src="images/multitogglebutton.gif?raw=true" />
 
 ## Groups
 

TelegramBotBase/Controls/Inline/MultiToggleButton.cs

@@ -0,0 +1,150 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using TelegramBotBase.Base;
+using TelegramBotBase.Form;
+
+namespace TelegramBotBase.Controls.Inline
+{
+    public class MultiToggleButton : ControlBase
+    {
+
+        //public String UncheckedIcon { get; set; } = Localizations.Default.Language["ToggleButton_OffIcon"];
+
+        public String CheckedIcon { get; set; } = "✅";
+
+        public String ChangedString { get; set; } = Localizations.Default.Language["ToggleButton_Changed"];
+
+        public String Title { get; set; } = Localizations.Default.Language["ToggleButton_Title"];
+
+        public int? MessageId { get; set; }
+
+        private bool RenderNecessary = true;
+
+        private static readonly object __evToggled = new object();
+
+        private readonly EventHandlerList Events = new EventHandlerList();
+
+        public List<ButtonBase> Options { get; set; }
+
+
+        public MultiToggleButton()
+        {
+            Options = new List<ButtonBase>();
+        }
+
+        public event EventHandler Toggled
+        {
+            add
+            {
+                this.Events.AddHandler(__evToggled, value);
+            }
+            remove
+            {
+                this.Events.RemoveHandler(__evToggled, value);
+            }
+        }
+
+        public void OnToggled(EventArgs e)
+        {
+            (this.Events[__evToggled] as EventHandler)?.Invoke(this, e);
+        }
+
+        public override async Task Action(MessageResult result, String value = null)
+        {
+            if (result.Handled)
+                return;
+
+            await result.ConfirmAction(this.ChangedString);
+
+            switch (value ?? "unknown")
+            {
+                default:
+
+                    var s = value.Split('$');
+
+                    if (s[0] == "check" && s.Length > 1)
+                    {
+                        int index = 0;
+                        if (!int.TryParse(s[1], out index))
+                        {
+                            return;
+                        }
+
+                        if(SelectedOption== null || SelectedOption != this.Options[index])
+                        {
+                            this.SelectedOption = this.Options[index];
+                            OnToggled(new EventArgs());
+                        }
+                        else
+                        {
+                            this.SelectedOption = null;
+                            OnToggled(new EventArgs());
+                        }
+
+                        RenderNecessary = true;
+
+                        return;
+                    }
+
+
+                    RenderNecessary = false;
+
+                    break;
+
+            }
+
+            result.Handled = true;
+
+        }
+
+        public override async Task Render(MessageResult result)
+        {
+            if (!RenderNecessary)
+                return;
+
+            var bf = new ButtonForm(this);
+
+            var lst = new List<ButtonBase>();
+            foreach (var o in this.Options)
+            {
+                var index = this.Options.IndexOf(o);
+                if (o == this.SelectedOption)
+                {
+                    lst.Add(new ButtonBase(CheckedIcon + " " + o.Text, "check$" + index));
+                    continue;
+                }
+
+                lst.Add(new ButtonBase(o.Text, "check$" + index));
+            }
+
+            bf.AddButtonRow(lst);
+
+            if (this.MessageId != null)
+            {
+                var m = await this.Device.Edit(this.MessageId.Value, this.Title, bf);
+            }
+            else
+            {
+                var m = await this.Device.Send(this.Title, bf, disableNotification: true);
+                if (m != null)
+                {
+                    this.MessageId = m.MessageId;
+                }
+            }
+
+            this.RenderNecessary = false;
+
+
+        }
+
+        public ButtonBase SelectedOption
+        {
+            get; set;
+        }
+
+    }
+}

TelegramBotBaseTest/Tests/Controls/MultiToggleButtons.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using TelegramBotBase.Args;
+using TelegramBotBase.Controls;
+using TelegramBotBase.Controls.Inline;
+using TelegramBotBase.Form;
+
+namespace TelegramBotBaseTest.Tests.Controls
+{
+    public class MultiToggleButtons : AutoCleanForm
+    {
+        public MultiToggleButtons()
+        {
+            this.DeleteMode = TelegramBotBase.Enums.eDeleteMode.OnLeavingForm;
+
+            this.Init += ToggleButtons_Init;
+        }
+
+        private async Task ToggleButtons_Init(object sender, InitEventArgs e)
+        {
+
+            var mtb = new MultiToggleButton();
+
+            mtb.Options = new List<ButtonBase>() { new ButtonBase("Option 1", "1"), new ButtonBase("Option 2", "2"), new ButtonBase("Option 3", "3") };
+            mtb.SelectedOption = mtb.Options.FirstOrDefault();
+            mtb.Toggled += Tb_Toggled;
+            this.AddControl(mtb);
+
+            mtb = new MultiToggleButton();
+
+            mtb.Options = new List<ButtonBase>() { new ButtonBase("Option 4", "4"), new ButtonBase("Option 5", "5"), new ButtonBase("Option 6", "6") };
+            mtb.SelectedOption = mtb.Options.FirstOrDefault();
+            mtb.Toggled += Tb_Toggled;
+            this.AddControl(mtb);
+        }
+
+        private void Tb_Toggled(object sender, EventArgs e)
+        {
+            var tb = sender as MultiToggleButton;
+            Console.WriteLine(tb.ID.ToString() + " was pressed, and toggled to " + tb.SelectedOption.Value);
+        }
+    }
+}

TelegramBotBaseTest/Tests/Menu.cs

@@ -140,6 +140,17 @@ namespace TelegramBotBaseTest.Tests
                     await this.NavigateTo(tb);
 
                     break;
+
+                case "multitogglebuttons":
+
+                    message.Handled = true;
+
+                    var mtb = new Controls.MultiToggleButtons();
+
+                    await this.NavigateTo(mtb);
+
+                    break;
+
                 case "buttongrid":
 
                     message.Handled = true;
@@ -217,6 +228,8 @@ namespace TelegramBotBaseTest.Tests
 
             btn.AddButtonRow(new ButtonBase("#11 ToggleButtons", new CallbackData("a", "togglebuttons").Serialize()));
 
+            btn.AddButtonRow(new ButtonBase("#11.2 MultiToggleButtons", new CallbackData("a", "multitogglebuttons").Serialize()));
+
             btn.AddButtonRow(new ButtonBase("#12 ButtonGrid", new CallbackData("a", "buttongrid").Serialize()));
 
             btn.AddButtonRow(new ButtonBase("#13 ButtonGrid Paging & Filter", new CallbackData("a", "buttongridfilter").Serialize()));