public static void UpdateHorizontalTextAlignment(this MauiTextBox textBox, IEntry entry)
{
// We don't have a FlowDirection yet, so there's nothing to pass in here.
// TODO: Update this when FlowDirection is available
// (or update the extension to take an ILabel instead of an alignment and work it out from there)
textBox.TextAlignment = entry.HorizontalTextAlignment.ToNative(true);
}
public static void UpdateFont(this MauiTextBox nativeControl, Font font, IFontManager fontManager)
{
nativeControl.FontSize = fontManager.GetFontSize(font);
nativeControl.FontFamily = fontManager.GetFontFamily(font);
nativeControl.FontStyle = font.ToFontStyle();
nativeControl.FontWeight = font.ToFontWeight();
}
public static void UpdatePlaceholderColor(this MauiTextBox textBox, IPlaceholder placeholder, Brush?defaultPlaceholderColorBrush, Brush?defaultPlaceholderColorFocusBrush)
{
Color placeholderColor = placeholder.PlaceholderColor;
BrushHelpers.UpdateColor(placeholderColor, ref defaultPlaceholderColorBrush,
() => textBox.PlaceholderForegroundBrush, brush => textBox.PlaceholderForegroundBrush = brush);
BrushHelpers.UpdateColor(placeholderColor, ref defaultPlaceholderColorFocusBrush,
() => textBox.PlaceholderForegroundFocusBrush, brush => textBox.PlaceholderForegroundFocusBrush = brush);
}
public static void UpdateMaxLength(this MauiTextBox textBox, IEditor editor)
{
textBox.MaxLength = editor.MaxLength;
var currentControlText = textBox.Text;
if (currentControlText.Length > editor.MaxLength)
{
textBox.Text = currentControlText.Substring(0, editor.MaxLength);
}
}
public static void UpdateTextColor(this MauiTextBox textBox, ITextStyle textStyle)
{
if (textStyle.TextColor == null)
{
return;
}
var brush = textStyle.TextColor.ToNative();
textBox.Foreground = brush;
textBox.ForegroundFocusBrush = brush;
}
public static void UpdateText(this MauiTextBox nativeControl, IEditor editor)
{
string newText = editor.Text;
if (nativeControl.Text == newText)
{
return;
}
nativeControl.Text = newText;
if (!string.IsNullOrEmpty(nativeControl.Text))
{
nativeControl.SelectionStart = nativeControl.Text.Length;
}
}
internal static void UpdateInputScope(this MauiTextBox textBox, ITextInput textInput)
{
if (textInput.Keyboard is CustomKeyboard custom)
{
textBox.IsTextPredictionEnabled = (custom.Flags & KeyboardFlags.Suggestions) != 0;
textBox.IsSpellCheckEnabled = (custom.Flags & KeyboardFlags.Spellcheck) != 0;
}
else
{
textBox.IsTextPredictionEnabled = textInput.IsTextPredictionEnabled;
// TODO: Update IsSpellCheckEnabled
}
textBox.InputScope = textInput.Keyboard.ToInputScope();
}
public static void UpdateMaxLength(this MauiTextBox textBox, IEntry entry)
{
var maxLength = entry.MaxLength;
if (maxLength == -1)
{
maxLength = int.MaxValue;
}
textBox.MaxLength = maxLength;
var currentControlText = textBox.Text;
if (currentControlText.Length > maxLength)
{
textBox.Text = currentControlText.Substring(0, maxLength);
}
}
public static Windows.Foundation.Size GetCopyOfSize(MauiTextBox control, Windows.Foundation.Size constraint)
{
if (_copyOfTextBox == null)
{
_copyOfTextBox = new MauiTextBox
{
Style = Microsoft.UI.Xaml.Application.Current.Resources["MauiTextBoxStyle"] as Microsoft.UI.Xaml.Style
};
// This causes the copy to be initially setup correctly.
// I found that if the first measure of this copy occurs with Text then it will just keep defaulting to a measure with no text.
_copyOfTextBox.Measure(_zeroSize);
}
_copyOfTextBox.MinHeight = control.MinHeight;
_copyOfTextBox.MaxHeight = control.MaxHeight;
_copyOfTextBox.MinWidth = control.MinWidth;
_copyOfTextBox.MaxWidth = control.MaxWidth;
_copyOfTextBox.TextWrapping = control.TextWrapping;
_copyOfTextBox.AcceptsReturn = control.AcceptsReturn;
_copyOfTextBox.Text = control.Text;
_copyOfTextBox.FontSize = control.FontSize;
_copyOfTextBox.FontFamily = control.FontFamily;
_copyOfTextBox.FontStretch = control.FontStretch;
_copyOfTextBox.FontStyle = control.FontStyle;
_copyOfTextBox.FontWeight = control.FontWeight;
_copyOfTextBox.Margin = control.Margin;
_copyOfTextBox.Padding = control.Padding;
// have to reset the measure to zero before it will re-measure itself
_copyOfTextBox.Measure(_zeroSize);
_copyOfTextBox.Measure(constraint);
var result = new Windows.Foundation.Size
(
Math.Ceiling(_copyOfTextBox.DesiredSize.Width),
Math.Ceiling(_copyOfTextBox.DesiredSize.Height)
);
return(result);
}
public static void UpdatePlaceholder(this MauiTextBox textBox, IEntry entry)
{
textBox.PlaceholderText = entry.Placeholder ?? string.Empty;
}
public static void UpdatePlaceholder(this MauiTextBox textBox, IEditor editor)
{
textBox.PlaceholderText = editor.Placeholder ?? string.Empty;
}
public static void UpdateClearButtonVisibility(this MauiTextBox textBox, IEntry entry)
{
textBox.ClearButtonVisible = entry.ClearButtonVisibility == ClearButtonVisibility.WhileEditing;
}
public static void UpdateKeyboard(this MauiTextBox textBox, IEditor editor)
{
textBox.UpdateInputScope(editor);
}
public static void UpdateIsReadOnly(this MauiTextBox textBox, IEntry entry)
{
textBox.IsReadOnly = entry.IsReadOnly;
}
public static void UpdateText(this MauiTextBox textBox, IEntry entry)
{
textBox.Text = entry.Text;
}
public static void UpdateVerticalTextAlignment(this MauiTextBox textBox, IEntry entry)
{
textBox.VerticalAlignment = entry.VerticalTextAlignment.ToNativeVerticalAlignment();
}
public static void UpdateIsPassword(this MauiTextBox textBox, IEntry entry)
{
textBox.IsPassword = entry.IsPassword;
}
public static void UpdateFont(this MauiTextBox nativeControl, IText text, IFontManager fontManager) => nativeControl.UpdateFont(text.Font, fontManager);
public static void UpdateCharacterSpacing(this MauiTextBox textBox, IEntry entry)
{
textBox.CharacterSpacing = entry.CharacterSpacing.ToEm();
}
public static void UpdateIsReadOnly(this MauiTextBox textBox, IEditor editor)
{
textBox.IsReadOnly = editor.IsReadOnly;
}
public static void UpdateReturnType(this MauiTextBox textBox, IEntry entry)
{
textBox.InputScope = entry.ReturnType.ToNative();
}
public static void UpdateCharacterSpacing(this MauiTextBox textBox, ITextStyle textStyle)
{
textBox.CharacterSpacing = textStyle.CharacterSpacing.ToEm();
}
public static void UpdateIsTextPredictionEnabled(this MauiTextBox textBox, IEditor editor)
{
textBox.UpdateInputScope(editor);
}
