Merge pull request #756 from enisn/textfield-selectalltext

Add `SelectAllTextOnFocus` to TextField
enisn · Sep 12, 2024 · 8e1a106 · 8e1a106
2 parents 3ef9fef + 79e92f6
commit 8e1a106
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Showing 3 changed files with 40 additions and 7 deletions.
diff --git a/demo/UraniumApp/Pages/InputFields/TextFieldPage.xaml b/demo/UraniumApp/Pages/InputFields/TextFieldPage.xaml
@@ -67,7 +67,7 @@
                     <Label Text="Simple set of TextFields." FontSize="Subtitle" Margin="20"/>
 
                     <VerticalStackLayout StyleClass="ControlPreview" Spacing="12">
-                        <material:TextField Title="Name" />
+                        <material:TextField Title="Name" SelectAllTextOnFocus="True" />
                         <material:TextField Title="Surname" />
                         <material:TextField Title="Age" Keyboard="Numeric" />
                     </VerticalStackLayout>

diff --git a/src/UraniumUI.Material/Controls/TextField.BindableProperties.cs b/src/UraniumUI.Material/Controls/TextField.BindableProperties.cs
@@ -228,4 +228,12 @@ public partial class TextField
         typeof(bool),
         typeof(TextField),
         false);
+
+    public bool SelectAllTextOnFocus { get => (bool)GetValue(SelectAllTextOnFocusProperty); set => SetValue(SelectAllTextOnFocusProperty, value); }
+
+    public static BindableProperty SelectAllTextOnFocusProperty = BindableProperty.Create(
+        nameof(SelectAllTextOnFocus),
+        typeof(bool),
+        typeof(TextField),
+        false);
 }
diff --git a/src/UraniumUI.Material/Controls/TextField.cs b/src/UraniumUI.Material/Controls/TextField.cs
@@ -1,4 +1,5 @@
-using Plainer.Maui.Controls;
+using Microsoft.Extensions.Logging;
+using Plainer.Maui.Controls;
 using System.Windows.Input;
 using UraniumUI.Converters;
 using UraniumUI.Material.Extensions;
@@ -54,11 +55,6 @@ public TextField()
 
     partial void AfterConstructor();
 
-    protected override void OnApplyTemplate()
-    {
-        base.OnApplyTemplate();
-    }
-
     protected override void OnHandlerChanged()
     {
         base.OnHandlerChanged();
@@ -67,11 +63,13 @@ protected override void OnHandlerChanged()
         {
             EntryView.TextChanged -= EntryView_TextChanged;
             EntryView.Completed -= EntryView_Completed;
+            EntryView.Focused -= EntryView_Focused;
         }
         else
         {
             EntryView.TextChanged += EntryView_TextChanged;
             EntryView.Completed += EntryView_Completed;
+            EntryView.Focused += EntryView_Focused;
 
             ApplyAttachedProperties();
         }
@@ -102,6 +100,14 @@ private void EntryView_Completed(object sender, EventArgs e)
         Completed?.Invoke(this, e);
     }
 
+    private void EntryView_Focused(object sender, FocusEventArgs e)
+    {
+        if (SelectAllTextOnFocus)
+        {
+            SelectAllText();
+        }
+    }
+
     public void ClearValue()
     {
         if (IsEnabled)
@@ -170,4 +176,23 @@ protected virtual View CreateIconClear()
         contentView.SetBinding(StatefulContentView.IsVisibleProperty, new Binding(nameof(Text), converter: UraniumConverters.StringIsNotNullOrEmptyConverter, source: this));
         return contentView;
     }
+
+    /// <summary>
+    /// Input has be be already focused when this method is called.
+    /// </summary>
+    public void SelectAllText()
+    {
+        if (EntryView.Text?.Length > 0)
+        {
+            EntryView.CursorPosition = 0;
+            EntryView.SelectionLength = EntryView.Text.Length;
+
+#if ANDROID
+            if(EntryView.Handler.PlatformView is Android.Widget.EditText editText)
+            {
+                editText.SelectAll();
+            }
+#endif
+        }
+    }
 }