New control: MultiToggleButton

- new control for having multiple simple toggle options
2021-03-01 01:36:07 +01:00
parent 4910a04923
commit 6a556af070
5 changed files with 213 additions and 0 deletions
@@ -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;
+        }
+
+    }
+}