maui-linux/Xamarin.Forms.Core/Entry.cs

136 строки
4.6 KiB
C#

using System;
using System.ComponentModel;
using Xamarin.Forms.Internals;
using Xamarin.Forms.Platform;
namespace Xamarin.Forms
{
[RenderWith(typeof(_EntryRenderer))]
public class Entry : InputView, IFontElement, ITextElement, ITextAlignmentElement, IEntryController, IElementConfiguration<Entry>
{
public static readonly BindableProperty PlaceholderProperty = BindableProperty.Create("Placeholder", typeof(string), typeof(Entry), default(string));
public static readonly BindableProperty IsPasswordProperty = BindableProperty.Create("IsPassword", typeof(bool), typeof(Entry), default(bool));
public static readonly BindableProperty TextProperty = BindableProperty.Create("Text", typeof(string), typeof(Entry), null, BindingMode.TwoWay, propertyChanged: OnTextChanged);
public static readonly BindableProperty TextColorProperty = TextElement.TextColorProperty;
public static readonly BindableProperty HorizontalTextAlignmentProperty = TextAlignmentElement.HorizontalTextAlignmentProperty;
public static readonly BindableProperty PlaceholderColorProperty = BindableProperty.Create("PlaceholderColor", typeof(Color), typeof(Entry), Color.Default);
public static readonly BindableProperty FontFamilyProperty = FontElement.FontFamilyProperty;
public static readonly BindableProperty FontSizeProperty = FontElement.FontSizeProperty;
public static readonly BindableProperty FontAttributesProperty = FontElement.FontAttributesProperty;
readonly Lazy<PlatformConfigurationRegistry<Entry>> _platformConfigurationRegistry;
public Entry()
{
_platformConfigurationRegistry = new Lazy<PlatformConfigurationRegistry<Entry>>(() => new PlatformConfigurationRegistry<Entry>(this));
}
public TextAlignment HorizontalTextAlignment
{
get { return (TextAlignment)GetValue(TextAlignmentElement.HorizontalTextAlignmentProperty); }
set { SetValue(TextAlignmentElement.HorizontalTextAlignmentProperty, value); }
}
public bool IsPassword
{
get { return (bool)GetValue(IsPasswordProperty); }
set { SetValue(IsPasswordProperty, value); }
}
public string Placeholder
{
get { return (string)GetValue(PlaceholderProperty); }
set { SetValue(PlaceholderProperty, value); }
}
public Color PlaceholderColor
{
get { return (Color)GetValue(PlaceholderColorProperty); }
set { SetValue(PlaceholderColorProperty, value); }
}
public string Text
{
get { return (string)GetValue(TextProperty); }
set { SetValue(TextProperty, value); }
}
public Color TextColor
{
get { return (Color)GetValue(TextElement.TextColorProperty); }
set { SetValue(TextElement.TextColorProperty, value); }
}
public FontAttributes FontAttributes
{
get { return (FontAttributes)GetValue(FontAttributesProperty); }
set { SetValue(FontAttributesProperty, value); }
}
public string FontFamily
{
get { return (string)GetValue(FontFamilyProperty); }
set { SetValue(FontFamilyProperty, value); }
}
[TypeConverter(typeof(FontSizeConverter))]
public double FontSize
{
get { return (double)GetValue(FontSizeProperty); }
set { SetValue(FontSizeProperty, value); }
}
double IFontElement.FontSizeDefaultValueCreator() =>
Device.GetNamedSize(NamedSize.Default, (Entry)this);
void IFontElement.OnFontAttributesChanged(FontAttributes oldValue, FontAttributes newValue) =>
InvalidateMeasureInternal(InvalidationTrigger.MeasureChanged);
void IFontElement.OnFontFamilyChanged(string oldValue, string newValue) =>
InvalidateMeasureInternal(InvalidationTrigger.MeasureChanged);
void IFontElement.OnFontSizeChanged(double oldValue, double newValue) =>
InvalidateMeasureInternal(InvalidationTrigger.MeasureChanged);
void IFontElement.OnFontChanged(Font oldValue, Font newValue) =>
InvalidateMeasureInternal(InvalidationTrigger.MeasureChanged);
public event EventHandler Completed;
public event EventHandler<TextChangedEventArgs> TextChanged;
[EditorBrowsable(EditorBrowsableState.Never)]
public void SendCompleted()
{
Completed?.Invoke(this, EventArgs.Empty);
}
static void OnTextChanged(BindableObject bindable, object oldValue, object newValue)
{
var entry = (Entry)bindable;
entry.TextChanged?.Invoke(entry, new TextChangedEventArgs((string)oldValue, (string)newValue));
}
public IPlatformElementConfiguration<T, Entry> On<T>() where T : IConfigPlatform
{
return _platformConfigurationRegistry.Value.On<T>();
}
void ITextElement.OnTextColorPropertyChanged(Color oldValue, Color newValue)
{
}
void ITextAlignmentElement.OnHorizontalTextAlignmentPropertyChanged(TextAlignment oldValue, TextAlignment newValue)
{
}
}
}