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src/Shared/Corathing.UI.WPF/Behaviors/DelayedMultiBindingConverter.cs
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| @@ -0,0 +1,57 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Globalization; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using System.Windows.Data; | ||
| using System.Windows; | ||
|
|
||
| namespace Corathing.UI.WPF.Behaviors; | ||
|
|
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| /// <summary> | ||
| /// Determines if the Dashboard selector (Pop up) should be open | ||
| /// Implements the <see cref="System.Windows.Data.IMultiValueConverter" /> | ||
| /// </summary> | ||
| /// <seealso cref="System.Windows.Data.IMultiValueConverter" /> | ||
| public class DelayedMultiBindingConverter : IMultiValueConverter | ||
| { | ||
| #region Public Methods | ||
|
|
||
| /// <summary> | ||
| /// Converts source values to a value for the binding target. The data binding engine calls this method when it propagates the values from source bindings to the binding target. | ||
| /// </summary> | ||
| /// <param name="values">The array of values that the source bindings in the <see cref="T:System.Windows.Data.MultiBinding" /> produces. The value <see cref="F:System.Windows.DependencyProperty.UnsetValue" /> indicates that the source binding has no value to provide for conversion.</param> | ||
| /// <param name="targetType">The type of the binding target property.</param> | ||
| /// <param name="parameter">The converter parameter to use.</param> | ||
| /// <param name="culture">The culture to use in the converter.</param> | ||
| /// <returns>A converted value.If the method returns <see langword="null" />, the valid <see langword="null" /> value is used.A return value of <see cref="T:System.Windows.DependencyProperty" />.<see cref="F:System.Windows.DependencyProperty.UnsetValue" /> indicates that the converter did not produce a value, and that the binding will use the <see cref="P:System.Windows.Data.BindingBase.FallbackValue" /> if it is available, or else will use the default value.A return value of <see cref="T:System.Windows.Data.Binding" />.<see cref="F:System.Windows.Data.Binding.DoNothing" /> indicates that the binding does not transfer the value or use the <see cref="P:System.Windows.Data.BindingBase.FallbackValue" /> or the default value.</returns> | ||
| public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) | ||
| { | ||
| if (values.Any(value => value is not bool) || values.Length < 1 || !(bool)values[0]) | ||
| return false; | ||
|
|
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| for (var i = 1; i < values.Length; i++) | ||
| { | ||
| if ((bool)values[i]) | ||
| return false; | ||
| } | ||
|
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| return true; | ||
| } | ||
|
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| /// <summary> | ||
| /// Converts a binding target value to the source binding values. | ||
| /// </summary> | ||
| /// <param name="value">The value that the binding target produces.</param> | ||
| /// <param name="targetTypes">The array of types to convert to. The array length indicates the number and types of values that are suggested for the method to return.</param> | ||
| /// <param name="parameter">The converter parameter to use.</param> | ||
| /// <param name="culture">The culture to use in the converter.</param> | ||
| /// <returns>An array of values that have been converted from the target value back to the source values.</returns> | ||
| public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture) | ||
| { | ||
| return [DependencyProperty.UnsetValue]; | ||
| } | ||
|
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| #endregion Public Methods | ||
| } |
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src/Shared/Corathing.UI.WPF/Behaviors/DelayedMultiBindingExtension.cs
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| @@ -0,0 +1,249 @@ | ||
| // Source from : WpfDashboardControl | ||
| // https://github.com/DustinBryant/WpfDashboardControl | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Collections.ObjectModel; | ||
| using System.ComponentModel; | ||
| using System.Globalization; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using System.Windows.Data; | ||
| using System.Windows.Markup; | ||
| using System.Windows.Threading; | ||
| using System.Windows; | ||
|
|
||
| namespace Corathing.UI.WPF.Behaviors; | ||
|
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| /// <summary> | ||
| /// Provides a delayed multi-binding. This class cannot be inherited. | ||
| /// Implements the <see cref="System.Windows.Markup.MarkupExtension" /> | ||
| /// Implements the <see cref="System.Windows.Data.IMultiValueConverter" /> | ||
| /// Implements the <see cref="System.ComponentModel.INotifyPropertyChanged" /> | ||
| /// </summary> | ||
| /// <seealso cref="System.Windows.Markup.MarkupExtension" /> | ||
| /// <seealso cref="System.Windows.Data.IMultiValueConverter" /> | ||
| /// <seealso cref="System.ComponentModel.INotifyPropertyChanged" /> | ||
| [ContentProperty("Bindings")] | ||
| public sealed class DelayedMultiBindingExtension : MarkupExtension, IMultiValueConverter, INotifyPropertyChanged | ||
| { | ||
| #region Private Fields | ||
|
|
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| private readonly DispatcherTimer _timer; | ||
|
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| private object? _delayedValue; | ||
|
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| private object? _startingValue; | ||
|
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| private bool _startingValueInitialSet; | ||
|
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| private object? _unDelayedValue; | ||
|
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| #endregion Private Fields | ||
|
|
||
| #region Public Events | ||
|
|
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| /// <summary> | ||
| /// Occurs when a property value changes. | ||
| /// </summary> | ||
| public event PropertyChangedEventHandler? PropertyChanged; | ||
|
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| #endregion Public Events | ||
|
|
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| #region Public Properties | ||
|
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| /// <summary> | ||
| /// Gets the bindings. | ||
| /// </summary> | ||
| /// <value>The bindings.</value> | ||
| public Collection<BindingBase> Bindings { get; } | ||
|
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| /// <summary> | ||
| /// Gets the change count. | ||
| /// </summary> | ||
| /// <value>The change count.</value> | ||
| public int ChangeCount { get; private set; } | ||
|
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| /// <summary> | ||
| /// Gets or sets the converter. | ||
| /// </summary> | ||
| /// <value>The converter.</value> | ||
| public IMultiValueConverter? Converter { get; set; } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the converter culture. | ||
| /// </summary> | ||
| /// <value>The converter culture.</value> | ||
| public CultureInfo? ConverterCulture { get; set; } | ||
|
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| /// <summary> | ||
| /// Gets or sets the converter parameter. | ||
| /// </summary> | ||
| /// <value>The converter parameter.</value> | ||
| public object? ConverterParameter { get; set; } | ||
|
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| /// <summary> | ||
| /// Gets or sets the current value. | ||
| /// </summary> | ||
| /// <value>The current value.</value> | ||
| public object? CurrentValue | ||
| { | ||
| get => _delayedValue; | ||
| set | ||
| { | ||
| _delayedValue = _unDelayedValue = value; | ||
| _timer.Stop(); | ||
| } | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the delay. | ||
| /// </summary> | ||
| /// <value>The delay.</value> | ||
| public TimeSpan Delay | ||
| { | ||
| get => _timer.Interval; | ||
| set => _timer.Interval = value; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Gets or sets the mode. | ||
| /// </summary> | ||
| /// <value>The mode.</value> | ||
| public BindingMode Mode { get; set; } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the starting value. | ||
| /// </summary> | ||
| /// <value>The starting value.</value> | ||
| public object? StartingValue | ||
| { | ||
| get => _startingValue; | ||
| set | ||
| { | ||
| if (_startingValueInitialSet) | ||
| return; | ||
|
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| _startingValue = value; | ||
| CurrentValue = value; | ||
| _startingValueInitialSet = true; | ||
| } | ||
| } | ||
|
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| /// <summary> | ||
| /// Gets or sets the update source trigger. | ||
| /// </summary> | ||
| /// <value>The update source trigger.</value> | ||
| public UpdateSourceTrigger UpdateSourceTrigger { get; set; } | ||
|
|
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| #endregion Public Properties | ||
|
|
||
| #region Public Constructors | ||
|
|
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| /// <summary> | ||
| /// Initializes a new instance of the <see cref="DelayedMultiBindingExtension"/> class. | ||
| /// </summary> | ||
| public DelayedMultiBindingExtension() | ||
| { | ||
| Bindings = new Collection<BindingBase>(); | ||
| _timer = new DispatcherTimer(); | ||
| _timer.Tick += Timer_Tick; | ||
| _timer.Interval = TimeSpan.FromMilliseconds(10); | ||
| } | ||
|
|
||
| #endregion Public Constructors | ||
|
|
||
| #region Public Methods | ||
|
|
||
| /// <summary> | ||
| /// Converts source values to a value for the binding target. The data binding engine calls this method when it propagates the values from source bindings to the binding target. | ||
| /// </summary> | ||
| /// <param name="values">The array of values that the source bindings in the <see cref="T:System.Windows.Data.MultiBinding" /> produces. The value <see cref="F:System.Windows.DependencyProperty.UnsetValue" /> indicates that the source binding has no value to provide for conversion.</param> | ||
| /// <param name="targetType">The type of the binding target property.</param> | ||
| /// <param name="parameter">The converter parameter to use.</param> | ||
| /// <param name="culture">The culture to use in the converter.</param> | ||
| /// <returns>A converted value.If the method returns <see langword="null" />, the valid <see langword="null" /> value is used.A return value of <see cref="T:System.Windows.DependencyProperty" />.<see cref="F:System.Windows.DependencyProperty.UnsetValue" /> indicates that the converter did not produce a value, and that the binding will use the <see cref="P:System.Windows.Data.BindingBase.FallbackValue" /> if it is available, or else will use the default value.A return value of <see cref="T:System.Windows.Data.Binding" />.<see cref="F:System.Windows.Data.Binding.DoNothing" /> indicates that the binding does not transfer the value or use the <see cref="P:System.Windows.Data.BindingBase.FallbackValue" /> or the default value.</returns> | ||
| public object? Convert(object[] values, Type targetType, object parameter, CultureInfo culture) | ||
| { | ||
| ArgumentNullException.ThrowIfNull(Converter); | ||
|
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| var newValue = Converter.Convert(values.Take(values.Length - 1).ToArray(), | ||
| targetType, | ||
| ConverterParameter, | ||
| ConverterCulture ?? culture); | ||
|
|
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| if (Equals(newValue, _unDelayedValue)) | ||
| return _delayedValue; | ||
|
|
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| _unDelayedValue = newValue; | ||
| _timer.Stop(); | ||
| _timer.Start(); | ||
|
|
||
| return _delayedValue; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Converts a binding target value to the source binding values. | ||
| /// </summary> | ||
| /// <param name="value">The value that the binding target produces.</param> | ||
| /// <param name="targetTypes">The array of types to convert to. The array length indicates the number and types of values that are suggested for the method to return.</param> | ||
| /// <param name="parameter">The converter parameter to use.</param> | ||
| /// <param name="culture">The culture to use in the converter.</param> | ||
| /// <returns>An array of values that have been converted from the target value back to the source values.</returns> | ||
| public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture) | ||
| { | ||
| ArgumentNullException.ThrowIfNull(Converter); | ||
|
|
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| return [.. Converter.ConvertBack(value, targetTypes, ConverterParameter, ConverterCulture ?? culture) | ||
| , .. new object[] { ChangeCount }]; | ||
| } | ||
|
|
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| /// <summary> | ||
| /// When implemented in a derived class, returns an object that is provided as the value of the target property for this markup extension. | ||
| /// </summary> | ||
| /// <param name="serviceProvider">A service provider helper that can provide services for the markup extension.</param> | ||
| /// <returns>The object value to set on the property where the extension is applied.</returns> | ||
| public override object? ProvideValue(IServiceProvider serviceProvider) | ||
| { | ||
| if (serviceProvider.GetService(typeof(IProvideValueTarget)) is not IProvideValueTarget valueProvider) | ||
| return null; | ||
|
|
||
| var bindingTarget = valueProvider.TargetObject as DependencyObject; | ||
| var bindingProperty = valueProvider.TargetProperty as DependencyProperty; | ||
|
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| var multi = new MultiBinding | ||
| { | ||
| Converter = this, | ||
| Mode = Mode, | ||
| UpdateSourceTrigger = UpdateSourceTrigger | ||
| }; | ||
|
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| foreach (var binding in Bindings) | ||
| multi.Bindings.Add(binding); | ||
|
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| multi.Bindings.Add(new Binding("ChangeCount") | ||
| { | ||
| Source = this, | ||
| Mode = BindingMode.OneWay | ||
| }); | ||
|
|
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| if (bindingTarget != null && bindingProperty != null) | ||
| BindingOperations.SetBinding(bindingTarget, bindingProperty, multi); | ||
|
|
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| return bindingProperty == null ? multi : bindingTarget?.GetValue(bindingProperty); | ||
| } | ||
|
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| #endregion Public Methods | ||
|
|
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| #region Private Methods | ||
|
|
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| private void Timer_Tick(object? sender, EventArgs e) | ||
| { | ||
| _timer.Stop(); | ||
| _delayedValue = _unDelayedValue; | ||
| ChangeCount++; | ||
| PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(ChangeCount))); | ||
| } | ||
|
|
||
| #endregion Private Methods | ||
| } |
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