Merge pull request #87 from ZeroGachis/fix/cant-set-fullstop-on-price

🐛 cant set dot on decimal input
ZeroGachis · Aug 27, 2021 · a646ec6 · a646ec6
2 parents 4db2337 + 6a732b1
commit a646ec6
Show file tree

Hide file tree

Showing 5 changed files with 82 additions and 50 deletions.
diff --git a/Smartway.UiComponent.Droid/Renderers/CustomEntryRenderer.cs b/Smartway.UiComponent.Droid/Renderers/CustomEntryRenderer.cs
@@ -0,0 +1,80 @@
+using System.Globalization;
+using System.Linq;
+using System.Text.RegularExpressions;
+using Android.Content;
+using Android.Graphics.Drawables;
+using Android.Runtime;
+using Android.Text;
+using Android.Text.Method;
+using Android.Widget;
+using Smartway.UiComponent.Droid.Renderers;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.Android;
+
+[assembly: ExportRenderer(typeof(Entry), typeof(CustomEntryRenderer))]
+namespace Smartway.UiComponent.Droid.Renderers
+{
+    public class CustomEntryRenderer : EntryRenderer
+    {
+        public CustomEntryRenderer(Context context) : base(context)
+        {
+        }
+
+        protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)
+        {
+            base.OnElementChanged(e);
+
+            if (Control == null)
+                return;
+
+            var gd = new GradientDrawable();
+            gd.SetColor(global::Android.Graphics.Color.Transparent);
+
+            Control.SetPadding(0, 0, Control.PaddingRight, 0);
+
+            if (Control.InputType.HasFlag(InputTypes.NumberFlagDecimal))
+            {
+                Control.KeyListener = DigitsKeyListener.GetInstance("0123456789.,");
+                Control.TextChanged += Control_TextChanged;
+            }
+
+            if (e.OldElement != null)
+                return;
+
+            RemoveHintBottomLine();
+            SetCursorColor();
+        }
+
+        private const string DecimalRegEx = @"^\d+((\.|\,){1})?\d*$";
+        private void Control_TextChanged(object sender, Android.Text.TextChangedEventArgs e)
+        {
+            var control = sender as FormsEditText;
+            control.SetSelection(control.Text.Length);
+
+            var lastChar = e.Text?.LastOrDefault();
+            if (lastChar != ',' && lastChar != '.')
+                return;
+
+            if (!Regex.IsMatch(control.Text, DecimalRegEx))
+                control.Text = control.Text.Remove(control.Text.Length - 1);
+
+            var cultureDecimalSeparator = CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator;
+            if (lastChar.ToString() == cultureDecimalSeparator)
+                return;
+
+            control.Text = control.Text.Replace(lastChar.ToString(), cultureDecimalSeparator);
+        }
+
+        private void SetCursorColor()
+        {
+            var IntPtrtextViewClass = JNIEnv.FindClass(typeof(TextView));
+            var mCursorDrawableResProperty = JNIEnv.GetFieldID(IntPtrtextViewClass, "mCursorDrawableRes", "I");
+            JNIEnv.SetField(Control.Handle, mCursorDrawableResProperty, Resource.Drawable.cursor);
+        }
+
+        private void RemoveHintBottomLine()
+        {
+            this.Control.SetBackground(null);
+        }
+    }
+}
diff --git a/Smartway.UiComponent.Droid/Smartway.UiComponent.Droid.csproj b/Smartway.UiComponent.Droid/Smartway.UiComponent.Droid.csproj
@@ -50,6 +50,7 @@
     <Compile Include="Effects\AndroidHoldTapEffect.cs" />
     <Compile Include="Renderers\BarcodeEntryRenderer.cs" />
     <Compile Include="Renderers\CustomButtonRenderer.cs" />
+    <Compile Include="Renderers\CustomEntryRenderer.cs" />
     <Compile Include="Renderers\NoDialogDatePickerRenderer.cs" />
     <Compile Include="Resources\Resource.designer.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />

diff --git a/Smartway.UiComponent.Sample.Android/CustomEntryRenderer.cs b/Smartway.UiComponent.Sample.Android/CustomEntryRenderer.cs
diff --git a/Smartway.UiComponent.Sample.Android/Smartway.UiComponent.Sample.Android.csproj b/Smartway.UiComponent.Sample.Android/Smartway.UiComponent.Sample.Android.csproj
@@ -63,7 +63,6 @@
     <PackageReference Include="Xamarin.Essentials" Version="1.6.1" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="CustomEntryRenderer.cs" />
     <Compile Include="MainActivity.cs" />
     <Compile Include="NotifyMessageAndroid.cs" />
     <Compile Include="Resources\Resource.designer.cs" />

diff --git a/Smartway.UiComponent.Sample/Inputs/Views/FormEntry.xaml b/Smartway.UiComponent.Sample/Inputs/Views/FormEntry.xaml
@@ -13,6 +13,7 @@
                 <inputs:FormEntry Title="Error" Prefix="€" Helper="There was an error" PlaceHolder="This is a placeholder" Error="True"/>
                 <inputs:FormEntry Title="Without prefix" Prefix="" Helper="Helper text" PlaceHolder="This is a placeholder"/>
                 <inputs:FormEntry Title="Password" Prefix="" Helper="Helper text" PlaceHolder="This is a placeholder" IsPassword="True"/>
+                <inputs:FormEntry Title="Numeric Keyboard" Helper="Helper text" PlaceHolder="Entrez un nombre décimal" Keyboard="Numeric"/>
             </StackLayout>
         </ScrollView>
     </ContentPage.Content>