47 lines
2.8 KiB
C#
47 lines
2.8 KiB
C#
using System.Windows;
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using HandyControl.Data;
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namespace HandyControl.Controls
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{
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public class EdgeElement
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{
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public static readonly DependencyProperty LeftContentProperty = DependencyProperty.RegisterAttached(
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"LeftContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
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public static void SetLeftContent(DependencyObject element, object value) => element.SetValue(LeftContentProperty, value);
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public static object GetLeftContent(DependencyObject element) => element.GetValue(LeftContentProperty);
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public static readonly DependencyProperty TopContentProperty = DependencyProperty.RegisterAttached(
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"TopContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
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public static void SetTopContent(DependencyObject element, object value) => element.SetValue(TopContentProperty, value);
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public static object GetTopContent(DependencyObject element) => element.GetValue(TopContentProperty);
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public static readonly DependencyProperty RightContentProperty = DependencyProperty.RegisterAttached(
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"RightContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
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public static void SetRightContent(DependencyObject element, object value) => element.SetValue(RightContentProperty, value);
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public static object GetRightContent(DependencyObject element) => element.GetValue(RightContentProperty);
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public static readonly DependencyProperty BottomContentProperty = DependencyProperty.RegisterAttached(
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"BottomContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
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public static void SetBottomContent(DependencyObject element, object value) => element.SetValue(BottomContentProperty, value);
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public static object GetBottomContent(DependencyObject element) => element.GetValue(BottomContentProperty);
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public static readonly DependencyProperty ShowEdgeContentProperty = DependencyProperty.RegisterAttached(
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"ShowEdgeContent", typeof(bool), typeof(EdgeElement), new PropertyMetadata(ValueBoxes.FalseBox));
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public static void SetShowEdgeContent(DependencyObject element, bool value) => element.SetValue(ShowEdgeContentProperty, value);
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public static bool GetShowEdgeContent(DependencyObject element) => (bool) element.GetValue(ShowEdgeContentProperty);
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private static void OnEdgeContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
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SetShowEdgeContent(d, !(GetLeftContent(d) == null && GetTopContent(d) == null &&
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GetRightContent(d) == null && GetBottomContent(d) == null));
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}
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} |