support for .NET framework 3.5
Still have bugs
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@@ -0,0 +1,232 @@
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using System.Linq;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Media;
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using HandyControl.Data;
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using HandyControl.Tools;
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namespace HandyControl.Controls
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{
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public class Rate : RegularItemsControl
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{
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static Rate()
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{
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ItemWidthProperty.OverrideMetadata(typeof(Rate), new PropertyMetadata(ValueBoxes.Double20Box));
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ItemHeightProperty.OverrideMetadata(typeof(Rate), new PropertyMetadata(ValueBoxes.Double20Box));
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}
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public static readonly DependencyProperty AllowHalfProperty = DependencyProperty.Register(
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"AllowHalf", typeof(bool), typeof(Rate), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
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public static readonly DependencyProperty AllowClearProperty = DependencyProperty.Register(
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"AllowClear", typeof(bool), typeof(Rate), new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.Inherits));
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public static readonly DependencyProperty IconProperty = DependencyProperty.Register(
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"Icon", typeof(Geometry), typeof(Rate), new FrameworkPropertyMetadata(default(Geometry), FrameworkPropertyMetadataOptions.Inherits));
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public static readonly DependencyProperty CountProperty = DependencyProperty.Register(
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"Count", typeof(int), typeof(Rate), new PropertyMetadata(ValueBoxes.Int5Box));
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public static readonly DependencyProperty DefaultValueProperty = DependencyProperty.Register(
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"DefaultValue", typeof(double), typeof(Rate), new PropertyMetadata(ValueBoxes.Double0Box));
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public static readonly DependencyProperty ValueProperty = DependencyProperty.Register(
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"Value", typeof(double), typeof(Rate), new PropertyMetadata(ValueBoxes.Double0Box));
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public static readonly DependencyProperty TextProperty = DependencyProperty.Register(
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"Text", typeof(string), typeof(Rate), new PropertyMetadata(default(string)));
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public static readonly DependencyProperty ShowTextProperty = DependencyProperty.Register(
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"ShowText", typeof(bool), typeof(Rate), new PropertyMetadata(ValueBoxes.FalseBox));
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public static readonly DependencyProperty IsReadOnlyProperty = DependencyProperty.Register(
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"IsReadOnly", typeof(bool), typeof(Rate), new PropertyMetadata(ValueBoxes.FalseBox));
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private bool _isLoaded;
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public Rate()
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{
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AddHandler(RateItem.SelectedChangedEvent, new RoutedEventHandler(RateItemSelectedChanged));
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AddHandler(RateItem.ValueChangedEvent, new RoutedEventHandler(RateItemValueChanged));
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Loaded += (s, e) =>
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{
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if (DesignerHelper.IsInDesignMode) return;
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if (_isLoaded) return;
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_isLoaded = true;
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if (Value <= 0)
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{
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if (DefaultValue > 0)
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{
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Value = DefaultValue;
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UpdateItems();
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}
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}
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else
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{
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UpdateItems();
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}
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};
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}
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public bool AllowHalf
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{
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get => (bool) GetValue(AllowHalfProperty);
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set => SetValue(AllowHalfProperty, value);
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}
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public bool AllowClear
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{
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get => (bool) GetValue(AllowClearProperty);
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set => SetValue(AllowClearProperty, value);
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}
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public Geometry Icon
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{
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get => (Geometry) GetValue(IconProperty);
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set => SetValue(IconProperty, value);
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}
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public int Count
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{
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get => (int) GetValue(CountProperty);
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set => SetValue(CountProperty, value);
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}
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public double DefaultValue
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{
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get => (double) GetValue(DefaultValueProperty);
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set => SetValue(DefaultValueProperty, value);
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}
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public double Value
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{
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get => (double) GetValue(ValueProperty);
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set => SetValue(ValueProperty, value);
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}
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public string Text
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{
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get => (string) GetValue(TextProperty);
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set => SetValue(TextProperty, value);
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}
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public bool ShowText
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{
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get => (bool) GetValue(ShowTextProperty);
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set => SetValue(ShowTextProperty, value);
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}
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public bool IsReadOnly
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{
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get => (bool)GetValue(IsReadOnlyProperty);
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set => SetValue(IsReadOnlyProperty, value);
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}
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private void RateItemValueChanged(object sender, RoutedEventArgs e)
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{
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Value =
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(from RateItem item in Items where item.IsSelected select item.IsHalf ? 0.5 : 1).Sum();
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}
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private void RateItemSelectedChanged(object sender, RoutedEventArgs e)
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{
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if (e.OriginalSource is RateItem rateItem)
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{
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var index = rateItem.Index;
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for (var i = 0; i < index; i++)
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{
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if (Items[i] is RateItem item)
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{
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item.IsSelected = true;
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item.IsHalf = false;
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}
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}
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for (var i = index; i < Count; i++)
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{
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if (Items[i] is RateItem item)
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{
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item.IsSelected = false;
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item.IsHalf = false;
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}
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}
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}
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}
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protected override bool IsItemItsOwnContainerOverride(object item)
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{
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return item is RateItem;
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}
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protected override DependencyObject GetContainerForItemOverride()
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{
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return new RateItem();
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}
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public override void OnApplyTemplate()
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{
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if (!_isLoaded)
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{
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Items.Clear();
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for (var i = 1; i <= Count; i++)
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{
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Items.Add(new RateItem
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{
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Index = i
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});
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}
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}
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base.OnApplyTemplate();
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}
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protected override void OnMouseLeave(MouseEventArgs e)
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{
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base.OnMouseLeave(e);
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UpdateItems();
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}
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protected override void UpdateItems()
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{
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if (!_isLoaded) return;
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var count = (int) Value;
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for (var i = 0; i < count; i++)
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{
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if (Items[i] is RateItem rateItem)
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{
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rateItem.IsSelected = true;
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rateItem.IsHalf = false;
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}
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}
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if (Value > count)
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{
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if (Items[count] is RateItem rateItem)
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{
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rateItem.IsSelected = true;
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rateItem.IsHalf = true;
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}
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count += 1;
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}
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for (var i = count; i < Count; i++)
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{
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if (Items[i] is RateItem rateItem)
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{
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rateItem.IsSelected = false;
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rateItem.IsHalf = false;
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}
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}
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}
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public void Reset()
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{
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Value = DefaultValue;
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}
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}
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}
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@@ -0,0 +1,215 @@
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using System.Windows.Media;
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using HandyControl.Data;
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using HandyControl.Tools.Extension;
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namespace HandyControl.Controls
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{
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[TemplatePart(Name = ElementIcon, Type = typeof(FrameworkElement))]
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public class RateItem : Control
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{
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private const string ElementIcon = "PART_Icon";
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public static readonly DependencyProperty AllowClearProperty =
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Rate.AllowClearProperty.AddOwner(typeof(RateItem));
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public static readonly DependencyProperty AllowHalfProperty =
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Rate.AllowHalfProperty.AddOwner(typeof(RateItem), new PropertyMetadata(OnAllowHalfChanged));
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public static readonly DependencyProperty IconProperty = Rate.IconProperty.AddOwner(typeof(RateItem));
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public static readonly DependencyProperty IsReadOnlyProperty = Rate.IsReadOnlyProperty.AddOwner(typeof(RateItem));
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internal static readonly DependencyProperty IsSelectedProperty = DependencyProperty.Register(
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"IsSelected", typeof(bool), typeof(RateItem),
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new PropertyMetadata(ValueBoxes.FalseBox, OnIsSelectedChanged));
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public static readonly RoutedEvent SelectedChangedEvent =
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EventManager.RegisterRoutedEvent("SelectedChanged", RoutingStrategy.Bubble,
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typeof(RoutedEventHandler), typeof(RateItem));
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public static readonly RoutedEvent ValueChangedEvent =
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EventManager.RegisterRoutedEvent("ValueChanged", RoutingStrategy.Bubble,
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typeof(RoutedEventHandler), typeof(RateItem));
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private FrameworkElement _icon;
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private bool _isHalf;
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private bool _isLoaded;
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private bool _isMouseLeftButtonDown;
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private bool _isSentValue;
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public RateItem()
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{
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Loaded += (s, e) => _isLoaded = true;
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}
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public bool AllowClear
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{
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get => (bool) GetValue(AllowClearProperty);
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set => SetValue(AllowClearProperty, value);
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}
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public bool AllowHalf
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{
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get => (bool) GetValue(AllowHalfProperty);
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set => SetValue(AllowHalfProperty, value);
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}
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public Geometry Icon
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{
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get => (Geometry) GetValue(IconProperty);
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set => SetValue(IconProperty, value);
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}
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internal bool IsSelected
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{
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get => (bool) GetValue(IsSelectedProperty);
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set => SetValue(IsSelectedProperty, value);
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}
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public bool IsReadOnly
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{
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get => (bool)GetValue(IsReadOnlyProperty);
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set => SetValue(IsReadOnlyProperty, value);
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}
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internal bool IsHalf
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{
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get => _isHalf;
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set
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{
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if (_isHalf == value) return;
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_isHalf = value;
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if (_icon == null) return;
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_icon.Width = value ? ActualWidth / 2 : ActualWidth;
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}
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}
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internal int Index { get; set; }
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private static void OnAllowHalfChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var ctl = (RateItem) d;
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ctl.HandleMouseMoveEvent((bool) e.NewValue);
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}
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private static void OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var ctl = (RateItem) d;
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ctl._icon?.Show((bool) e.NewValue);
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}
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public event RoutedEventHandler SelectedChanged
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{
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add => AddHandler(SelectedChangedEvent, value);
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remove => RemoveHandler(SelectedChangedEvent, value);
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}
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public event RoutedEventHandler ValueChanged
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{
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add => AddHandler(ValueChangedEvent, value);
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remove => RemoveHandler(ValueChangedEvent, value);
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}
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private void HandleMouseMoveEvent(bool handle)
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{
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if (handle)
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{
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MouseMove += RateItem_MouseMove;
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}
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else
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{
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MouseMove -= RateItem_MouseMove;
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}
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}
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private void RateItem_MouseMove(object sender, MouseEventArgs e)
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{
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if (IsReadOnly) return;
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if (!AllowHalf) return;
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var p = e.GetPosition(this);
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IsHalf = p.X < ActualWidth / 2;
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}
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public override void OnApplyTemplate()
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{
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base.OnApplyTemplate();
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_icon = GetTemplateChild(ElementIcon) as FrameworkElement;
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if (_isLoaded)
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{
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if (_icon == null) return;
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_icon.Show(IsSelected);
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_icon.Width = IsHalf ? ActualWidth / 2 : ActualWidth;
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}
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}
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protected override void OnMouseEnter(MouseEventArgs e)
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{
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base.OnMouseEnter(e);
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if (IsReadOnly) return;
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_isSentValue = false;
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IsSelected = true;
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RaiseEvent(new RoutedEventArgs(SelectedChangedEvent) {Source = this});
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}
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protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
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{
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base.OnMouseLeftButtonDown(e);
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if (IsReadOnly) return;
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_isMouseLeftButtonDown = true;
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}
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protected override void OnMouseLeave(MouseEventArgs e)
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{
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base.OnMouseLeave(e);
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if (IsReadOnly) return;
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_isMouseLeftButtonDown = false;
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}
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protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
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{
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base.OnMouseLeftButtonUp(e);
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if (IsReadOnly) return;
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if (_isMouseLeftButtonDown)
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{
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if (Index == 1 && AllowClear)
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{
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if (IsSelected)
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{
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if (!_isSentValue)
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{
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RaiseEvent(new RoutedEventArgs(ValueChangedEvent) {Source = this});
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_isMouseLeftButtonDown = false;
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_isSentValue = true;
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return;
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}
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_isSentValue = false;
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IsSelected = false;
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IsHalf = false;
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}
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else
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{
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IsSelected = true;
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if (AllowHalf)
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{
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var p = e.GetPosition(this);
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IsHalf = p.X < ActualWidth / 2;
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}
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}
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}
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RaiseEvent(new RoutedEventArgs(ValueChangedEvent) {Source = this});
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_isMouseLeftButtonDown = false;
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}
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}
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}
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}
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Block a user