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Avalonia
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Added Orientation and IsIndeterminate properties to ProgressBar. 

Moved the Orientation enum to a separate file.
This commit is contained in:
José Pedro 2017-10-01 13:27:44 +01:00
Родитель 057421c66f
Коммит 7cb4485dfb
9 изменённых файлов: 174 добавлений и 25 удалений
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6
samples/ControlCatalog/ControlCatalog.csproj
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@ -69,6 +69,9 @@
<EmbeddedResource Include="Pages\MenuPage.xaml">
<SubType>Designer</SubType>
</EmbeddedResource>
<EmbeddedResource Include="Pages\ProgressBarPage.xaml">
<SubType>Designer</SubType>
</EmbeddedResource>
<EmbeddedResource Include="Pages\RadioButtonPage.xaml">
<SubType>Designer</SubType>
</EmbeddedResource>
@ -131,6 +134,9 @@
<Compile Include="Pages\MenuPage.xaml.cs">
<DependentUpon>MenuPage.xaml</DependentUpon>
</Compile>
<Compile Include="Pages\ProgressBarPage.xaml.cs">
<DependentUpon>ProgressBarPage.xaml</DependentUpon>
</Compile>
<Compile Include="Pages\RadioButtonPage.xaml.cs">
<DependentUpon>RadioButtonPage.xaml</DependentUpon>
</Compile>

1
samples/ControlCatalog/MainView.xaml
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@ -16,6 +16,7 @@
<TabItem Header="Image"><pages:ImagePage/></TabItem>
<TabItem Header="LayoutTransformControl"><pages:LayoutTransformControlPage/></TabItem>
<TabItem Header="Menu"><pages:MenuPage/></TabItem>
<TabItem Header="ProgressBar"><pages:ProgressBarPage/></TabItem>
<TabItem Header="RadioButton"><pages:RadioButtonPage/></TabItem>
<TabItem Header="Slider"><pages:SliderPage/></TabItem>
<TabItem Header="TextBox"><pages:TextBoxPage/></TabItem>

24
samples/ControlCatalog/Pages/ProgressBarPage.xaml Normal file
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@ -0,0 +1,24 @@
<UserControl xmlns="https://github.com/avaloniaui">
<StackPanel Orientation="Vertical" Gap="4">
<TextBlock Classes="h1">ProgressBar</TextBlock>
<TextBlock Classes="h2">A progress bar control</TextBlock>
<StackPanel>
<StackPanel Orientation="Horizontal"
Margin="0,16,0,0"
HorizontalAlignment="Center"
Gap="16">
<StackPanel Gap="16">
<ProgressBar Value="{Binding #hprogress.Value}" />
<ProgressBar IsIndeterminate="True"/>
</StackPanel>
<ProgressBar Value="{Binding #vprogress.Value}" Orientation="Vertical" />
<ProgressBar Orientation="Vertical" IsIndeterminate="True" />
</StackPanel>
<StackPanel Margin="16">
<Slider Name="hprogress" Maximum="100" Value="40"/>
<Slider Name="vprogress" Maximum="100" Value="60"/>
</StackPanel>
</StackPanel>
</StackPanel>
</UserControl>

18
samples/ControlCatalog/Pages/ProgressBarPage.xaml.cs Normal file
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@ -0,0 +1,18 @@
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
namespace ControlCatalog.Pages
{
public class ProgressBarPage : UserControl
{
public ProgressBarPage()
{
this.InitializeComponent();
}
private void InitializeComponent()
{
AvaloniaXamlLoader.Load(this);
}
}
}

21
src/Avalonia.Controls/Orientation.cs Normal file
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@ -0,0 +1,21 @@
// Copyright (c) The Avalonia Project. All rights reserved.
// Licensed under the MIT license. See licence.md file in the project root for full license information.
namespace Avalonia.Controls
{
/// <summary>
/// Defines vertical or horizontal orientation.
/// </summary>
public enum Orientation
{
/// <summary>
/// Horizontal orientation.
/// </summary>
Horizontal,
/// <summary>
/// Vertical orientation.
/// </summary>
Vertical,
}
}

2
src/Avalonia.Controls/Primitives/ScrollBar.cs
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@ -30,7 +30,7 @@ namespace Avalonia.Controls.Primitives
/// Defines the <see cref="Orientation"/> property.
/// </summary>
public static readonly StyledProperty<Orientation> OrientationProperty =
AvaloniaProperty.Register<ScrollBar, Orientation>(nameof(Orientation));
AvaloniaProperty.Register<ScrollBar, Orientation>(nameof(Orientation), Orientation.Vertical);
private Button _lineUpButton;
private Button _lineDownButton;

104
src/Avalonia.Controls/ProgressBar.cs
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@ -1,8 +1,12 @@
// Copyright (c) The Avalonia Project. All rights reserved.
// Licensed under the MIT license. See licence.md file in the project root for full license information.
using System;
using System.Reactive.Linq;
using Avalonia.Animation;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
using Avalonia.Layout;
namespace Avalonia.Controls
{
@ -11,11 +15,41 @@ namespace Avalonia.Controls
/// </summary>
public class ProgressBar : RangeBase
{
public static readonly StyledProperty<bool> IsIndeterminateProperty =
AvaloniaProperty.Register<ProgressBar, bool>(nameof(IsIndeterminate));
public static readonly StyledProperty<Orientation> OrientationProperty =
AvaloniaProperty.Register<ProgressBar, Orientation>(nameof(Orientation), Orientation.Horizontal);
private Border _indicator;
private IDisposable _indeterminateBindSubscription;
static ProgressBar()
{
ValueProperty.Changed.AddClassHandler<ProgressBar>(x => x.ValueChanged);
HorizontalAlignmentProperty.OverrideDefaultValue<ProgressBar>(HorizontalAlignment.Left);
VerticalAlignmentProperty.OverrideDefaultValue<ProgressBar>(VerticalAlignment.Top);
}
public bool IsIndeterminate
{
get => GetValue(IsIndeterminateProperty);
set
{
SetValue(IsIndeterminateProperty, value);
UpdateIsIndeterminate(value);
}
}
public Orientation Orientation
{
get => GetValue(OrientationProperty);
set
{
SetValue(OrientationProperty, value);
UpdateOrientation(value);
}
}
/// <inheritdoc/>
@ -29,18 +63,82 @@ namespace Avalonia.Controls
protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
_indicator = e.NameScope.Get<Border>("PART_Indicator");
UpdateIndicator(Bounds.Size);
UpdateOrientation(Orientation);
UpdateIsIndeterminate(IsIndeterminate);
}
private void UpdateIndicator(Size bounds)
{
if (_indicator != null)
{
double percent = Maximum == Minimum ? 1.0 : (Value - Minimum) / (Maximum - Minimum);
_indicator.Width = bounds.Width * percent;
if (IsIndeterminate)
{
if (Orientation == Orientation.Horizontal)
_indicator.Width = bounds.Width / 5.0;
else
_indicator.Height = bounds.Height / 5.0;
}
else
{
double percent = Maximum == Minimum ? 1.0 : (Value - Minimum) / (Maximum - Minimum);
if (Orientation == Orientation.Horizontal)
_indicator.Width = bounds.Width * percent;
else
_indicator.Height = bounds.Height * percent;
}
}
}
private void UpdateOrientation(Orientation orientation)
{
if (orientation == Orientation.Horizontal)
{
MinHeight = 14;
MinWidth = 200;
_indicator.HorizontalAlignment = HorizontalAlignment.Left;
_indicator.VerticalAlignment = VerticalAlignment.Stretch;
}
else
{
MinHeight = 200;
MinWidth = 14;
_indicator.HorizontalAlignment = HorizontalAlignment.Stretch;
_indicator.VerticalAlignment = VerticalAlignment.Bottom;
}
}
private void UpdateIsIndeterminate(bool isIndeterminate)
{
if (isIndeterminate)
{
var start = Animate.Stopwatch.Elapsed;
if (Orientation == Orientation.Horizontal)
{
_indeterminateBindSubscription = Animate.Timer.TakeWhile(x => (x - start).TotalSeconds <= 4.0)
.Select(x => new Rect(-_indicator.Width - 5 + (x - start).TotalSeconds / 4.0 * (Bounds.Width + _indicator.Width + 10), 0, _indicator.Bounds.Width, _indicator.Bounds.Height))
.Finally(() => start = Animate.Stopwatch.Elapsed)
.Repeat()
.Subscribe(x => _indicator.Arrange(x));
}
else
{
_indeterminateBindSubscription = Animate.Timer.TakeWhile(x => (x - start).TotalSeconds <= 4.0)
.Select(x => new Rect(0, Bounds.Height + 5 - (x - start).TotalSeconds / 4.0 * (Bounds.Height + _indicator.Height + 10), _indicator.Bounds.Width, _indicator.Bounds.Height))
.Finally(() => start = Animate.Stopwatch.Elapsed)
.Repeat()
.Subscribe(x => _indicator.Arrange(x));
}
}
else
_indeterminateBindSubscription?.Dispose();
}
private void ValueChanged(AvaloniaPropertyChangedEventArgs e)
{
UpdateIndicator(Bounds.Size);

18
src/Avalonia.Controls/StackPanel.cs
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@ -6,22 +6,6 @@ using Avalonia.Input;
namespace Avalonia.Controls
{
/// <summary>
/// Defines vertical or horizontal orientation.
/// </summary>
public enum Orientation
{
/// <summary>
/// Vertical orientation.
/// </summary>
Vertical,
/// <summary>
/// Horizontal orientation.
/// </summary>
Horizontal,
}
/// <summary>
/// A panel which lays out its children horizontally or vertically.
/// </summary>
@ -37,7 +21,7 @@ namespace Avalonia.Controls
/// Defines the <see cref="Orientation"/> property.
/// </summary>
public static readonly StyledProperty<Orientation> OrientationProperty =
AvaloniaProperty.Register<StackPanel, Orientation>(nameof(Orientation));
AvaloniaProperty.Register<StackPanel, Orientation>(nameof(Orientation), Orientation.Vertical);
/// <summary>
/// Initializes static members of the <see cref="StackPanel"/> class.

5
src/Avalonia.Themes.Default/ProgressBar.xaml
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@ -1,8 +1,6 @@
<Style xmlns="https://github.com/avaloniaui" Selector="ProgressBar">
<Setter Property="Background" Value="{DynamicResource ThemeAccentBrush4}"/>
<Setter Property="Foreground" Value="{DynamicResource ThemeAccentBrush}"/>
<Setter Property="MinHeight" Value="14"/>
<Setter Property="MinWidth" Value="200"/>
<Setter Property="Template">
<ControlTemplate>
<Border Background="{TemplateBinding Background}"
@ -14,8 +12,7 @@
BorderBrush="{TemplateBinding Background}"/>
<Border Name="PART_Indicator"
BorderThickness="1"
Background="{TemplateBinding Foreground}"
HorizontalAlignment="Left"/>
Background="{TemplateBinding Foreground}"/>
</Grid>
</Border>
</ControlTemplate>