项目结构调整

This commit is contained in:
艾竹
2023-04-16 20:11:40 +08:00
parent cbfbf96033
commit 81f91f3f35
2124 changed files with 218 additions and 5516 deletions

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using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
namespace LiveCharts.Uwp.Components.MultiBinding
{
/// <summary>
/// Represents a collection of <see cref="DependencyObject"/> instances of a specified type.
/// </summary>
/// <typeparam name="T">The type of items in the collection.</typeparam>
public class DependencyObjectCollection<T> : DependencyObjectCollection, INotifyCollectionChanged
where T : DependencyObject
{
/// <summary>
/// Occurs when items in the collection are added, removed, or replaced.
/// </summary>
public event NotifyCollectionChangedEventHandler CollectionChanged;
private readonly List<T> _oldItems = new List<T>();
/// <summary>
/// Initializes a new instance of the <see cref="DependencyObjectCollection{T}" /> class.
/// </summary>
public DependencyObjectCollection()
{
VectorChanged += DependencyObjectCollectionVectorChanged;
}
private void DependencyObjectCollectionVectorChanged(IObservableVector<DependencyObject> sender, IVectorChangedEventArgs e)
{
var index = (int)e.Index;
switch (e.CollectionChange)
{
case CollectionChange.Reset:
foreach (var item in this)
{
VerifyType(item);
}
RaiseCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
_oldItems.Clear();
break;
case CollectionChange.ItemInserted:
VerifyType(this[index]);
RaiseCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, this[index], index));
_oldItems.Insert(index, (T)this[index]);
break;
case CollectionChange.ItemRemoved:
RaiseCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, _oldItems[index], index));
_oldItems.RemoveAt(index);
break;
case CollectionChange.ItemChanged:
VerifyType(this[index]);
RaiseCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, this[index], _oldItems[index]));
_oldItems[index] = (T)this[index];
break;
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// Raises the <see cref="CollectionChanged"/> event with the provided event data.
/// </summary>
/// <param name="eventArgs">The event data.</param>
protected void RaiseCollectionChanged(NotifyCollectionChangedEventArgs eventArgs)
{
var eventHandler = CollectionChanged;
if (eventHandler != null)
{
eventHandler(this, eventArgs);
}
}
private void VerifyType(DependencyObject item)
{
if (!(item is T))
{
throw new InvalidOperationException("Invalid item type added to collection");
}
}
}
}

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using System;
using System.Reflection;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Markup;
using Microsoft.Xaml.Interactivity;
namespace LiveCharts.Uwp.Components.MultiBinding
{
/// <summary>
/// The behavior that enables multiple binding.
/// </summary>
[ContentProperty(Name = "Items")]
[TypeConstraint(typeof(FrameworkElement))]
public class MultiBindingBehavior : Behavior<FrameworkElement>
{
/// <summary>
/// Gets the <see cref="MultiBindingItem"/> collection within this <see cref="MultiBindingBehavior"/> instance.
/// </summary>
/// <value>One or more <see cref="MultiBindingItem"/> objects.</value>
public MultiBindingItemCollection Items
{
get { return (MultiBindingItemCollection)GetValue(ItemsProperty); }
private set { SetValue(ItemsProperty, value); }
}
/// <summary>
/// Identifier for the <see cref="Items" /> dependency property.
/// </summary>
public static readonly DependencyProperty ItemsProperty =
DependencyProperty.Register(nameof(Items), typeof(MultiBindingItemCollection), typeof(MultiBindingBehavior), null);
/// <summary>
/// Gets or sets the path to the binding source property.
/// </summary>
/// <value>The path to the binding source property.</value>
public string PropertyName
{
get { return (string)GetValue(PropertyNameProperty); }
set { SetValue(PropertyNameProperty, value); }
}
/// <summary>
/// Identifier for the <see cref="PropertyName" /> dependency property.
/// </summary>
public static readonly DependencyProperty PropertyNameProperty =
DependencyProperty.Register(nameof(PropertyName), typeof(string), typeof(MultiBindingBehavior), new PropertyMetadata(null, OnPropertyChanged));
/// <summary>
/// Gets or sets the converter to use to convert the source values to or from the target value.
/// </summary>
/// <value>A resource reference to a class that implements the <see cref="IValueConverter"/> interface, which includes implementations of the <see cref="IValueConverter.Convert"/> and <see cref="IValueConverter.ConvertBack"/> methods.</value>
public IValueConverter Converter
{
get { return (IValueConverter)GetValue(ConverterProperty); }
set { SetValue(ConverterProperty, value); }
}
/// <summary>
/// Identifier for the <see cref="Converter" /> dependency property.
/// </summary>
public static readonly DependencyProperty ConverterProperty =
DependencyProperty.Register(nameof(Converter), typeof(IValueConverter), typeof(MultiBindingBehavior), new PropertyMetadata(null, OnPropertyChanged));
/// <summary>
/// Gets or sets an optional parameter to pass to the converter as additional information.
/// </summary>
/// <value>A value of the type expected by the converter, which might be an object element or a string depending on the definition and XAML capabilities both of the property type being used and of the implementation of the converter.</value>
public object ConverterParameter
{
get { return GetValue(ConverterParameterProperty); }
set { SetValue(ConverterParameterProperty, value); }
}
/// <summary>
/// Identifier for the <see cref="ConverterParameter" /> dependency property.
/// </summary>
public static readonly DependencyProperty ConverterParameterProperty =
DependencyProperty.Register(nameof(ConverterParameter), typeof(object), typeof(MultiBindingBehavior), new PropertyMetadata(null, OnPropertyChanged));
/// <summary>
/// Gets or sets a value that indicates the direction of the data flow in the binding.
/// </summary>
/// <value>A value that indicates the direction of the data flow in the binding.</value>
public BindingMode Mode
{
get { return (BindingMode)GetValue(ModeProperty); }
set { SetValue(ModeProperty, value); }
}
/// <summary>
/// Identifier for the <see cref="Mode" /> dependency property.
/// </summary>
public static readonly DependencyProperty ModeProperty =
DependencyProperty.Register(nameof(Mode), typeof(BindingMode), typeof(MultiBindingBehavior), new PropertyMetadata(BindingMode.OneWay, OnPropertyChanged));
private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var multiBindingBehavior = (MultiBindingBehavior)d;
multiBindingBehavior.Update();
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiBindingBehavior"/> class.
/// </summary>
public MultiBindingBehavior()
{
Items = new MultiBindingItemCollection();
}
/// <summary>
/// Called after the behavior is attached to an AssociatedObject.
/// </summary>
/// <remarks>Override this to hook up functionality to the AssociatedObject.</remarks>
protected override void OnAttached()
{
base.OnAttached();
Update();
}
private void Update()
{
if (AssociatedObject == null || string.IsNullOrEmpty(PropertyName))
{
return;
}
var targetProperty = PropertyName;
Type targetType;
if (targetProperty.Contains("."))
{
var propertyNameParts = targetProperty.Split('.');
targetType = Type.GetType(string.Format("Windows.UI.Xaml.Controls.{0}, Windows",
propertyNameParts[0]));
targetProperty = propertyNameParts[1];
}
else
{
targetType = AssociatedObject.GetType();
}
PropertyInfo targetDependencyPropertyField = null;
while (targetDependencyPropertyField == null && targetType != null)
{
var targetTypeInfo = targetType.GetTypeInfo();
targetDependencyPropertyField = targetTypeInfo.GetDeclaredProperty(targetProperty + "Property");
targetType = targetTypeInfo.BaseType;
}
if (targetDependencyPropertyField == null) return;
var targetDependencyProperty = (DependencyProperty)targetDependencyPropertyField.GetValue(null);
var binding = new Binding()
{
Path = new PropertyPath("Value"),
Source = Items,
Converter = Converter,
ConverterParameter = ConverterParameter,
Mode = Mode
};
BindingOperations.SetBinding(AssociatedObject, targetDependencyProperty, binding);
}
}
}

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using Windows.UI.Xaml;
namespace LiveCharts.Uwp.Components.MultiBinding
{
/// <summary>
/// A multiple binding item.
/// </summary>
public class MultiBindingItem : DependencyObject
{
/// <summary>
/// Gets or sets the binding value.
/// </summary>
/// <value>The binding value.</value>
public object Value
{
get { return GetValue(ValueProperty); }
set { SetValue(ValueProperty, value); }
}
/// <summary>
/// Identifier for the <see cref="Value" /> dependency property.
/// </summary>
public static readonly DependencyProperty ValueProperty =
DependencyProperty.Register(nameof(Value), typeof(object), typeof(MultiBindingItem), new PropertyMetadata(null, OnValueChanged));
private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var multiBindingItem = (MultiBindingItem)d;
multiBindingItem.Update();
}
internal MultiBindingItemCollection Parent { get; set; }
private void Update()
{
var parent = Parent;
parent?.Update();
}
}
}

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using System.Collections.Specialized;
using System.Linq;
using Windows.UI.Xaml;
namespace LiveCharts.Uwp.Components.MultiBinding
{
/// <summary>
/// Represents a collection of <see cref="MultiBindingBehavior" />.
/// </summary>
public class MultiBindingItemCollection : DependencyObjectCollection<MultiBindingItem>
{
private bool _updating;
/// <summary>
/// Gets or sets the multiple binding value.
/// </summary>
/// <value>The multiple binding value.</value>
public object[] Value
{
get { return (object[])GetValue(ValueProperty); }
set { SetValue(ValueProperty, value); }
}
/// <summary>
/// Identifier for the <see cref="Value" /> dependency property.
/// </summary>
internal static readonly DependencyProperty ValueProperty =
DependencyProperty.Register(nameof(Value), typeof(object[]), typeof(MultiBindingItemCollection), new PropertyMetadata(null, OnValueChanged));
private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var multiBindingItemCollection = (MultiBindingItemCollection)d;
multiBindingItemCollection.UpdateSource();
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiBindingItemCollection"/> class.
/// </summary>
public MultiBindingItemCollection()
{
CollectionChanged += OnCollectionChanged;
}
private void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.OldItems != null)
{
foreach (MultiBindingItem item in e.OldItems)
{
item.Parent = null;
}
}
if (e.NewItems != null)
{
foreach (MultiBindingItem item in e.NewItems)
{
item.Parent = this;
}
}
Update();
}
internal void Update()
{
if (_updating)
{
return;
}
try
{
_updating = true;
Value = this
.OfType<MultiBindingItem>()
.Select(x => x.Value)
.ToArray();
}
finally
{
_updating = false;
}
}
private void UpdateSource()
{
if (_updating)
{
return;
}
try
{
_updating = true;
for (var index = 0; index < this.Count; index++)
{
var multiBindingItem = this[index] as MultiBindingItem;
if (multiBindingItem != null)
{
multiBindingItem.Value = Value[index];
}
}
}
finally
{
_updating = false;
}
}
}
}

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using System;
using System.Globalization;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Data;
namespace LiveCharts.Uwp.Components.MultiBinding
{
/// <summary>
/// An <see cref="IValueConverter"/> abstract implementation to be used with the <see cref="MultiBindingBehavior"/>.
/// </summary>
public abstract class MultiValueConverterBase : DependencyObject, IValueConverter
{
/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <returns>The value to be passed to the target dependency property.</returns>
/// <param name="values">The source data being passed to the target.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the target dependency property.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
public abstract object Convert(object[] values, Type targetType, object parameter, CultureInfo culture);
/// <summary>
/// Modifies the target data before passing it to the source object. This method is called only in <see cref="F:System.Windows.Data.BindingMode.TwoWay"/> bindings.
/// </summary>
/// <returns>The value to be passed to the source object.</returns>
/// <param name="value">The target data being passed to the source.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the source object.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
public abstract object[] ConvertBack(object value, Type targetType, object parameter, CultureInfo culture);
object IValueConverter.Convert(object value, Type targetType, object parameter, string language)
{
var cultureInfo = !string.IsNullOrEmpty(language) ? new CultureInfo(language) : null;
return Convert((object[])value, targetType, parameter, cultureInfo);
}
object IValueConverter.ConvertBack(object value, Type targetType, object parameter, string language)
{
var cultureInfo = !string.IsNullOrEmpty(language) ? new CultureInfo(language) : null;
return ConvertBack(value, targetType, parameter, cultureInfo);
}
}
}