public static void ApplyTheme(IMaterialTextField textField, IMaterialEntryRenderer element)
{
if (element == null)
{
return;
}
if (textField.ActiveTextInputController == null)
{
return;
}
textField.ContainerScheme.ColorScheme = (SemanticColorScheme)CreateColorScheme();
ApplyContainerTheme(textField);
var textColor = MaterialColors.GetEntryTextColor(element.TextColor);
var placeHolderColors = MaterialColors.GetPlaceHolderColor(element.PlaceholderColor, element.TextColor);
var underlineColors = MaterialColors.GetUnderlineColor(element.PlaceholderColor);
textField.TextInput.TextColor = textColor;
textField.ActiveTextInputController.InlinePlaceholderColor = placeHolderColors.InlineColor;
textField.ActiveTextInputController.FloatingPlaceholderNormalColor = placeHolderColors.InlineColor;
textField.ActiveTextInputController.FloatingPlaceholderActiveColor = placeHolderColors.FloatingColor;
// BackgroundColor
textField.ActiveTextInputController.BorderFillColor = MaterialColors.CreateEntryFilledInputBackgroundColor(element.BackgroundColor, element.TextColor);
textField.ActiveTextInputController.ActiveColor = underlineColors.FocusedColor;
textField.ActiveTextInputController.NormalColor = underlineColors.UnFocusedColor;
}
public static void UpdateTextColor(IMaterialTextField textField, IMaterialEntryRenderer element)
{
var uIColor = MaterialColors.GetEntryTextColor(element.TextColor);
textField.ContainerScheme.ColorScheme.OnSurfaceColor = uIColor;
textField.ContainerScheme.ColorScheme.PrimaryColor = uIColor;
}
public static void ApplyTypographyScheme(IMaterialTextField textField, IFontElement fontElement)
{
textField.TextInput.Font = fontElement?.ToUIFont();
textField.TypographyScheme.Subtitle1 = textField.TextInput.Font;
TextFieldTypographyThemer.ApplyTypographyScheme(textField.TypographyScheme, textField.TextInput);
TextFieldTypographyThemer.ApplyTypographyScheme(textField.TypographyScheme, textField.ActiveTextInputController);
}
public static void ApplyTypographyScheme(IMaterialTextField textField, IFontElement fontElement)
{
var containerScheme = textField.ContainerScheme;
textField.TextInput.Font = fontElement?.ToUIFont();
containerScheme.TypographyScheme.Subtitle1 = textField.TextInput.Font;
ApplyContainerTheme(textField);
}
static void ApplyContainerTheme(IMaterialTextField textField)
{
var containerScheme = textField.ContainerScheme;
if (textField.ActiveTextInputController is MTextInputControllerFilled filled)
{
filled.ApplyTheme(containerScheme);
}
}
public static void Init(IMaterialEntryRenderer element, IMaterialTextField textField, IFontElement fontElement)
{
textField.TextInput.ClearButtonMode = UITextFieldViewMode.Never;
textField.ActiveTextInputController = new MTextInputControllerFilled(textField.TextInput);
textField.TextInput.TextInsetsMode = TextInputTextInsetsMode.IfContent;
textField.TypographyScheme = CreateTypographyScheme();
textField.ColorScheme = (SemanticColorScheme)CreateColorScheme();
ApplyTypographyScheme(textField, fontElement);
ApplyTheme(textField, element);
}
public static void ApplyTheme(IMaterialTextField textField, IMaterialEntryRenderer element)
{
if (element == null)
{
return;
}
if (textField.ActiveTextInputController == null)
{
return;
}
textField.ContainerScheme.ColorScheme = (SemanticColorScheme)CreateColorScheme();
ApplyContainerTheme(textField);
var adjustedTextColor = AdjustTextColor(element);
var textColor = MaterialColors.GetEntryTextColor(adjustedTextColor);
var placeHolderColors = MaterialColors.GetPlaceHolderColor(element.PlaceholderColor, adjustedTextColor);
var underlineColors = MaterialColors.GetUnderlineColor(element.PlaceholderColor);
textField.TextInput.TextColor = textColor;
var inputController = textField.ActiveTextInputController;
inputController.InlinePlaceholderColor = placeHolderColors.InlineColor;
inputController.FloatingPlaceholderNormalColor = placeHolderColors.InlineColor;
inputController.FloatingPlaceholderActiveColor = placeHolderColors.FloatingColor;
inputController.DisabledColor = placeHolderColors.InlineColor;
var brush = element.Background;
if (Brush.IsNullOrEmpty(brush))
{
// BackgroundColor
textField.ActiveTextInputController.BorderFillColor = MaterialColors.CreateEntryFilledInputBackgroundColor(element.BackgroundColor, adjustedTextColor);
}
else
{
// Background
if (textField is UITextField || textField is MultilineTextField)
{
var backgroundImage = ((UIView)textField).GetBackgroundImage(brush);
textField.BackgroundSize = backgroundImage?.Size;
var color = backgroundImage != null?UIColor.FromPatternImage(backgroundImage) : UIColor.Clear;
textField.ActiveTextInputController.BorderFillColor = color;
}
}
textField.ActiveTextInputController.ActiveColor = underlineColors.FocusedColor;
textField.ActiveTextInputController.NormalColor = underlineColors.UnFocusedColor;
}
public static void ApplyThemeIfNeeded(IMaterialTextField textField, IMaterialEntryRenderer element)
{
var bgBrush = element.Background;
if (Brush.IsNullOrEmpty(bgBrush))
{
return;
}
UIImage backgroundImage = null;
if (textField is UITextField || textField is MultilineTextField)
{
backgroundImage = ((UIView)textField).GetBackgroundImage(bgBrush);
}
if (textField.BackgroundSize != null && textField.BackgroundSize != backgroundImage?.Size)
{
ApplyTheme(textField, element);
}
}
public static void UpdatePlaceholder(IMaterialTextField textField, IMaterialEntryRenderer element)
{
var placeholderText = element.Placeholder ?? String.Empty;
textField.ActiveTextInputController.PlaceholderText = placeholderText;
ApplyTheme(textField, element);
var previous = textField.ActiveTextInputController.FloatingPlaceholderScale;
if (String.IsNullOrWhiteSpace(placeholderText))
{
textField.ActiveTextInputController.FloatingPlaceholderScale = 0;
}
else
{
textField.ActiveTextInputController.FloatingPlaceholderScale = (float)TextInputControllerBase.FloatingPlaceholderScaleDefault;
}
if (previous != textField.ActiveTextInputController.FloatingPlaceholderScale && element is IVisualElementRenderer controller)
{
controller.Element?.InvalidateMeasureInternal(InvalidationTrigger.VerticalOptionsChanged);
}
}
