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Upgrade project style

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ONEO 2020-07-06 10:23:45 +08:00
parent afd22ca85d
commit baa6c1445a
136 changed files with 29 additions and 770 deletions
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143
Helpers/TextBoxHelper.cs
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@ -1,143 +0,0 @@
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
namespace SourceGit.Helpers {
/// <summary>
/// Attached properties to TextBox.
/// </summary>
public static class TextBoxHelper {
/// <summary>
/// Placeholder property
/// </summary>
public static readonly DependencyProperty PlaceholderProperty = DependencyProperty.RegisterAttached(
"Placeholder",
typeof(string),
typeof(TextBoxHelper),
new PropertyMetadata(string.Empty, OnPlaceholderChanged));
/// <summary>
/// Vertical alignment for placeholder.
/// </summary>
public static readonly DependencyProperty PlaceholderBaselineProperty = DependencyProperty.RegisterAttached(
"PlaceholderBaseline",
typeof(AlignmentY),
typeof(TextBoxHelper),
new PropertyMetadata(AlignmentY.Center));
/// <summary>
/// Property to store generated placeholder brush.
/// </summary>
public static readonly DependencyProperty PlaceholderBrushProperty = DependencyProperty.RegisterAttached(
"PlaceholderBrush",
typeof(Brush),
typeof(TextBoxHelper),
new PropertyMetadata(Brushes.Transparent));
/// <summary>
/// Triggered when placeholder changed.
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
private static void OnPlaceholderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) {
var textBox = d as TextBox;
if (textBox != null) textBox.Loaded += OnTextLoaded;
}
/// <summary>
/// Setter for Placeholder property
/// </summary>
/// <param name="element"></param>
/// <param name="value"></param>
public static void SetPlaceholder(UIElement element, string value) {
element.SetValue(PlaceholderProperty, value);
}
/// <summary>
/// Getter for Placeholder property
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
public static string GetPlaceholder(UIElement element) {
return (string)element.GetValue(PlaceholderProperty);
}
/// <summary>
/// Setter for PlaceholderBaseline property
/// </summary>
/// <param name="element"></param>
/// <param name="align"></param>
public static void SetPlaceholderBaseline(UIElement element, AlignmentY align) {
element.SetValue(PlaceholderBaselineProperty, align);
}
/// <summary>
/// Setter for PlaceholderBaseline property.
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
public static AlignmentY GetPlaceholderBaseline(UIElement element) {
return (AlignmentY)element.GetValue(PlaceholderBaselineProperty);
}
/// <summary>
/// Setter for PlaceholderBrush property.
/// </summary>
/// <param name="element"></param>
/// <param name="value"></param>
public static void SetPlaceholderBrush(UIElement element, Brush value) {
element.SetValue(PlaceholderBrushProperty, value);
}
/// <summary>
/// Getter for PlaceholderBrush property.
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
public static Brush GetPlaceholderBrush(UIElement element) {
return (Brush)element.GetValue(PlaceholderBrushProperty);
}
/// <summary>
/// Set placeholder as background when TextBox was loaded.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void OnTextLoaded(object sender, RoutedEventArgs e) {
var textBox = sender as TextBox;
if (textBox == null) return;
Label placeholder = new Label();
placeholder.Content = textBox.GetValue(PlaceholderProperty);
VisualBrush brush = new VisualBrush();
brush.AlignmentX = AlignmentX.Left;
brush.AlignmentY = GetPlaceholderBaseline(textBox);
brush.TileMode = TileMode.None;
brush.Stretch = Stretch.None;
brush.Opacity = 0.3;
brush.Visual = placeholder;
textBox.SetValue(PlaceholderBrushProperty, brush);
textBox.Background = brush;
textBox.TextChanged += OnTextChanged;
OnTextChanged(textBox, null);
}
/// <summary>
/// Dynamically hide/show placeholder.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void OnTextChanged(object sender, RoutedEventArgs e) {
var textBox = sender as TextBox;
if (string.IsNullOrEmpty(textBox.Text)) {
textBox.Background = textBox.GetValue(PlaceholderBrushProperty) as Brush;
} else {
textBox.Background = Brushes.Transparent;
}
}
}
}