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Code Issues Releases Wiki Activity

Color picker - Avoid overlapping colors

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Robert committed 2022-08-22 20:24:08 +02:00
1 parent 212d13c1c8
commit 3efb97eedd
4 files changed
+104 -3
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src/Artemis.UI.Shared/Behaviors/LostFocusNumericUpDownBindingBehavior.cs
+63
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@@ -0,0 +1,63 @@
using System;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Data;
using Avalonia.Interactivity;
using Avalonia.Xaml.Interactivity;
using FluentAvalonia.UI.Controls;
namespace Artemis.UI.Shared.Behaviors;
/// <summary>
/// Represents a behavior that can be used to make a numeric up down only update it's binding on focus loss.
/// </summary>
public class LostFocusNumericUpDownBindingBehavior : Behavior<NumericUpDown>
{
/// <summary>
/// Gets or sets the value of the binding.
/// </summary>
public static readonly StyledProperty<double> ValueProperty = AvaloniaProperty.Register<LostFocusNumericUpDownBindingBehavior, double>(
nameof(Value), defaultBindingMode: BindingMode.TwoWay);
static LostFocusNumericUpDownBindingBehavior()
{
ValueProperty.Changed.Subscribe(e => ((LostFocusNumericUpDownBindingBehavior) e.Sender).OnBindingValueChanged());
}
/// <summary>
/// Gets or sets the value of the binding.
/// </summary>
public double Value
{
get => GetValue(ValueProperty);
set => SetValue(ValueProperty, value);
}
/// <inheritdoc />
protected override void OnAttached()
{
if (AssociatedObject != null)
AssociatedObject.LostFocus += OnLostFocus;
base.OnAttached();
}
/// <inheritdoc />
protected override void OnDetaching()
{
if (AssociatedObject != null)
AssociatedObject.LostFocus -= OnLostFocus;
base.OnDetaching();
}
private void OnLostFocus(object? sender, RoutedEventArgs e)
{
if (AssociatedObject != null)
Value = AssociatedObject.Value;
}
private void OnBindingValueChanged()
{
if (AssociatedObject != null)
AssociatedObject.Value = Value;
}
}
src/Artemis.UI.Shared/Styles/Controls/GradientPicker.axaml
+7 -2
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@@ -4,7 +4,8 @@
xmlns:core="clr-namespace:Artemis.Core;assembly=Artemis.Core"
xmlns:fluent="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
xmlns:converters="clr-namespace:Artemis.UI.Shared.Converters"
xmlns:gradientPicker="clr-namespace:Artemis.UI.Shared.Controls.GradientPicker">
xmlns:gradientPicker="clr-namespace:Artemis.UI.Shared.Controls.GradientPicker"
xmlns:behaviors="clr-namespace:Artemis.UI.Shared.Behaviors">
<Styles.Resources>
<VisualBrush x:Key="LightCheckerboardBrush" TileMode="Tile" Stretch="Uniform" DestinationRect="3,0,10,10">
<VisualBrush.Visual>
@@ -198,7 +199,11 @@
<Border CornerRadius="4" Margin="-2" Background="{Binding Color, Converter={StaticResource SKColorToBrushConverter}}" />
</Border>
<TextBox Grid.Column="1" Text="{Binding Color, Converter={StaticResource SKColorToStringConverter}}" />
<NumericUpDown Grid.Column="2" Value="{Binding Position}" FormatString="F3" ShowButtonSpinner="False" Margin="5 0" />
<NumericUpDown Grid.Column="2" FormatString="F3" ShowButtonSpinner="False" Margin="5 0" Minimum="0" Maximum="1" Increment="0.01">
<Interaction.Behaviors>
<behaviors:LostFocusNumericUpDownBindingBehavior Value="{Binding Position}"/>
</Interaction.Behaviors>
</NumericUpDown>
<Button Name="DeleteButton"
Grid.Column="3"
Classes="icon-button"