add RelativePanel
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@@ -1,8 +1,59 @@
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<UserControl x:Class="HandyControlDemo.UserControl.RelativePanelDemoCtl"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:hc="https://handyorg.github.io/handycontrol"
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Background="{DynamicResource RegionBrush}">
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<Grid>
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</Grid>
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<hc:RelativePanel Width="620" Height="700">
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<hc:RectangleDemo Name="Rect1" Background="Red" Height="50" Width="50">
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<TextBlock Text="Rect1" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect2" Background="Blue" Height="50" Width="50" hc:RelativePanel.AlignHorizontalCenterWithPanel="True">
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<TextBlock Text="Rect2" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect3" Background="Purple" Height="50" Width="50" hc:RelativePanel.AlignRightWithPanel="True">
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<TextBlock Text="Rect3" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect4" Background="Red" Height="50" Width="50" hc:RelativePanel.AlignBottomWithPanel="True">
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<TextBlock Text="Rect4" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect5" Background="Blue" Height="50" Width="50" hc:RelativePanel.AlignBottomWithPanel="True" hc:RelativePanel.AlignHorizontalCenterWithPanel="True">
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<TextBlock Text="Rect5" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect6" Background="Purple" Height="50" Width="50" hc:RelativePanel.AlignBottomWithPanel="True" hc:RelativePanel.AlignRightWithPanel="True">
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<TextBlock Text="Rect6" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect7" Background="Blue" Height="50" hc:RelativePanel.RightOf="{Binding ElementName=Rect1}">
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<TextBlock Text="Rect7 (RightOf Rect1)" Padding="10,0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect8" Background="Purple" Height="50" hc:RelativePanel.Below="{Binding ElementName=Rect7}">
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<TextBlock Text="Rect8 (Below Rect7)" Padding="10,0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect9" Background="Blue" Height="140" Width="460" hc:RelativePanel.AlignHorizontalCenterWithPanel="True" hc:RelativePanel.AlignVerticalCenterWithPanel="True">
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<TextBlock Text="Rect9" Padding="10" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Top"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect10" Background="Red" Width="50" hc:RelativePanel.RightOf="{Binding ElementName=Rect9}" hc:RelativePanel.AlignVerticalCenterWith="{Binding ElementName=Rect9}">
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<TextBlock Text="Rect14 (RightOf Rect9, AlignVerticalCenterWith Rect9)" Padding="10,0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center">
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<TextBlock.LayoutTransform>
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<TransformGroup>
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<RotateTransform Angle="-90"/>
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</TransformGroup>
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</TextBlock.LayoutTransform>
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</TextBlock>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect11" Background="Red" Height="50" hc:RelativePanel.AlignBottomWith="{Binding ElementName=Rect9}" hc:RelativePanel.AlignHorizontalCenterWith="{Binding ElementName=Rect9}">
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<TextBlock Text="Rect11 (AlignBottomWith Rect9, AlignHorizontalCenterWith Rect9)" Padding="10,0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect12" Background="Red" Height="50" hc:RelativePanel.Below="{Binding ElementName=Rect8}" hc:RelativePanel.AlignLeftWith="{Binding ElementName=Rect7}">
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<TextBlock Text="Rect12 (Below Rect8, AlignLeftWith Rect7)" Padding="10,0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect13" Background="Blue" Height="50" hc:RelativePanel.Below="{Binding ElementName=Rect12}" hc:RelativePanel.AlignRightWith="{Binding ElementName=Rect12}">
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<TextBlock Text="Rect13 (Below Rect12, AlignRightWith Rect12)" Padding="10,0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect14" Background="Purple" Height="50" hc:RelativePanel.Above="{Binding ElementName=Rect9}" hc:RelativePanel.AlignRightWith="{Binding ElementName=Rect9}">
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<TextBlock Text="Rect14 (Above Rect9, AlignRightWith Rect9)" Padding="10,0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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<hc:RectangleDemo Name="Rect15" Background="Red" Height="50" hc:RelativePanel.LeftOf="{Binding ElementName=Rect5}" hc:RelativePanel.AlignTopWith="{Binding ElementName=Rect9}">
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<TextBlock Text="Rect15 (LeftOf Rect5, AlignTopWith Rect9)" Padding="10,0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</hc:RectangleDemo>
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</hc:RelativePanel>
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</UserControl>
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File renamed without changes.
File renamed without changes.
@@ -1,4 +1,9 @@
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using System.Windows;
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//reference doc : https://docs.microsoft.com/en-us/uwp/api/Windows.UI.Xaml.Controls.RelativePanel
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Windows;
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using System.Windows.Controls;
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using HandyControl.Data;
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@@ -6,10 +11,14 @@ namespace HandyControl.Controls
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{
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public class RelativePanel : Panel
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{
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#region Panel alignment relationships
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private readonly Graph _childGraph;
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public RelativePanel() => _childGraph = new Graph();
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#region 容器对齐方式
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public static readonly DependencyProperty AlignLeftWithPanelProperty = DependencyProperty.RegisterAttached(
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"AlignLeftWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(ValueBoxes.FalseBox));
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"AlignLeftWithPanel", typeof(bool), typeof(RelativePanel), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignLeftWithPanel(DependencyObject element, bool value)
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=> element.SetValue(AlignLeftWithPanelProperty, value);
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@@ -18,7 +27,7 @@ namespace HandyControl.Controls
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=> (bool) element.GetValue(AlignLeftWithPanelProperty);
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public static readonly DependencyProperty AlignTopWithPanelProperty = DependencyProperty.RegisterAttached(
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"AlignTopWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(ValueBoxes.FalseBox));
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"AlignTopWithPanel", typeof(bool), typeof(RelativePanel), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignTopWithPanel(DependencyObject element, bool value)
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=> element.SetValue(AlignTopWithPanelProperty, value);
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@@ -27,7 +36,7 @@ namespace HandyControl.Controls
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=> (bool) element.GetValue(AlignTopWithPanelProperty);
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public static readonly DependencyProperty AlignRightWithPanelProperty = DependencyProperty.RegisterAttached(
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"AlignRightWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(ValueBoxes.FalseBox));
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"AlignRightWithPanel", typeof(bool), typeof(RelativePanel), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignRightWithPanel(DependencyObject element, bool value)
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=> element.SetValue(AlignRightWithPanelProperty, value);
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@@ -36,7 +45,7 @@ namespace HandyControl.Controls
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=> (bool) element.GetValue(AlignRightWithPanelProperty);
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public static readonly DependencyProperty AlignBottomWithPanelProperty = DependencyProperty.RegisterAttached(
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"AlignBottomWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(ValueBoxes.FalseBox));
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"AlignBottomWithPanel", typeof(bool), typeof(RelativePanel), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignBottomWithPanel(DependencyObject element, bool value)
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=> element.SetValue(AlignBottomWithPanelProperty, value);
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@@ -44,132 +53,449 @@ namespace HandyControl.Controls
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public static bool GetAlignBottomWithPanel(DependencyObject element)
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=> (bool) element.GetValue(AlignBottomWithPanelProperty);
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#endregion
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#region 元素间对齐方式
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public static readonly DependencyProperty AlignLeftWithProperty = DependencyProperty.RegisterAttached(
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"AlignLeftWith", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignLeftWith(DependencyObject element, UIElement value)
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=> element.SetValue(AlignLeftWithProperty, value);
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public static UIElement GetAlignLeftWith(DependencyObject element)
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=> (UIElement) element.GetValue(AlignLeftWithProperty);
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public static readonly DependencyProperty AlignTopWithProperty = DependencyProperty.RegisterAttached(
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"AlignTopWith", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignTopWith(DependencyObject element, UIElement value)
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=> element.SetValue(AlignTopWithProperty, value);
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public static UIElement GetAlignTopWith(DependencyObject element)
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=> (UIElement) element.GetValue(AlignTopWithProperty);
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public static readonly DependencyProperty AlignRightWithProperty = DependencyProperty.RegisterAttached(
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"AlignRightWith", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignRightWith(DependencyObject element, UIElement value)
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=> element.SetValue(AlignRightWithProperty, value);
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public static UIElement GetAlignRightWith(DependencyObject element)
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=> (UIElement) element.GetValue(AlignRightWithProperty);
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public static readonly DependencyProperty AlignBottomWithProperty = DependencyProperty.RegisterAttached(
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"AlignBottomWith", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignBottomWith(DependencyObject element, UIElement value)
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=> element.SetValue(AlignBottomWithProperty, value);
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public static UIElement GetAlignBottomWith(DependencyObject element)
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=> (UIElement) element.GetValue(AlignBottomWithProperty);
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#endregion
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#region 元素间位置关系
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public static readonly DependencyProperty LeftOfProperty = DependencyProperty.RegisterAttached(
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"LeftOf", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetLeftOf(DependencyObject element, UIElement value)
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=> element.SetValue(LeftOfProperty, value);
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public static UIElement GetLeftOf(DependencyObject element)
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=> (UIElement)element.GetValue(LeftOfProperty);
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public static readonly DependencyProperty AboveProperty = DependencyProperty.RegisterAttached(
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"Above", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAbove(DependencyObject element, UIElement value)
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=> element.SetValue(AboveProperty, value);
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public static UIElement GetAbove(DependencyObject element)
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=> (UIElement)element.GetValue(AboveProperty);
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public static readonly DependencyProperty RightOfProperty = DependencyProperty.RegisterAttached(
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"RightOf", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetRightOf(DependencyObject element, UIElement value)
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=> element.SetValue(RightOfProperty, value);
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public static UIElement GetRightOf(DependencyObject element)
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=> (UIElement)element.GetValue(RightOfProperty);
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public static readonly DependencyProperty BelowProperty = DependencyProperty.RegisterAttached(
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"Below", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetBelow(DependencyObject element, UIElement value)
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=> element.SetValue(BelowProperty, value);
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public static UIElement GetBelow(DependencyObject element)
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=> (UIElement) element.GetValue(BelowProperty);
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#endregion
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#region 居中对齐方式
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public static readonly DependencyProperty AlignHorizontalCenterWithPanelProperty = DependencyProperty.RegisterAttached(
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"AlignHorizontalCenterWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(ValueBoxes.FalseBox));
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"AlignHorizontalCenterWithPanel", typeof(bool), typeof(RelativePanel), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignHorizontalCenterWithPanel(DependencyObject element, bool value)
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=> element.SetValue(AlignHorizontalCenterWithPanelProperty, value);
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public static bool GetAlignHorizontalCenterWithPanel(DependencyObject element)
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=> (bool) element.GetValue(AlignHorizontalCenterWithPanelProperty);
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=> (bool)element.GetValue(AlignHorizontalCenterWithPanelProperty);
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public static readonly DependencyProperty AlignVerticalCenterWithPanelProperty = DependencyProperty.RegisterAttached(
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"AlignVerticalCenterWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(ValueBoxes.FalseBox));
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"AlignVerticalCenterWithPanel", typeof(bool), typeof(RelativePanel), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignVerticalCenterWithPanel(DependencyObject element, bool value)
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=> element.SetValue(AlignVerticalCenterWithPanelProperty, value);
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public static bool GetAlignVerticalCenterWithPanel(DependencyObject element)
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=> (bool) element.GetValue(AlignVerticalCenterWithPanelProperty);
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#endregion
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#region Sibling alignment relationships
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public static readonly DependencyProperty AlignLeftWithProperty = DependencyProperty.RegisterAttached(
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"AlignLeftWith", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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public static void SetAlignLeftWith(DependencyObject element, string value)
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=> element.SetValue(AlignLeftWithProperty, value);
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public static string GetAlignLeftWith(DependencyObject element)
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=> (string) element.GetValue(AlignLeftWithProperty);
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public static readonly DependencyProperty AlignTopWithProperty = DependencyProperty.RegisterAttached(
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"AlignTopWith", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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public static void SetAlignTopWith(DependencyObject element, string value)
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=> element.SetValue(AlignTopWithProperty, value);
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public static string GetAlignTopWith(DependencyObject element)
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=> (string) element.GetValue(AlignTopWithProperty);
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public static readonly DependencyProperty AlignRightWithProperty = DependencyProperty.RegisterAttached(
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"AlignRightWith", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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public static void SetAlignRightWith(DependencyObject element, string value)
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=> element.SetValue(AlignRightWithProperty, value);
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public static string GetAlignRightWith(DependencyObject element)
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=> (string) element.GetValue(AlignRightWithProperty);
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public static readonly DependencyProperty AlignBottomWithProperty = DependencyProperty.RegisterAttached(
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"AlignBottomWith", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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public static void SetAlignBottomWith(DependencyObject element, string value)
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=> element.SetValue(AlignBottomWithProperty, value);
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public static string GetAlignBottomWith(DependencyObject element)
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=> (string) element.GetValue(AlignBottomWithProperty);
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=> (bool)element.GetValue(AlignVerticalCenterWithPanelProperty);
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public static readonly DependencyProperty AlignHorizontalCenterWithProperty = DependencyProperty.RegisterAttached(
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"AlignHorizontalCenterWith", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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"AlignHorizontalCenterWith", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignHorizontalCenterWith(DependencyObject element, string value)
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public static void SetAlignHorizontalCenterWith(DependencyObject element, UIElement value)
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=> element.SetValue(AlignHorizontalCenterWithProperty, value);
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public static string GetAlignHorizontalCenterWith(DependencyObject element)
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=> (string) element.GetValue(AlignHorizontalCenterWithProperty);
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public static UIElement GetAlignHorizontalCenterWith(DependencyObject element)
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=> (UIElement)element.GetValue(AlignHorizontalCenterWithProperty);
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public static readonly DependencyProperty AlignVerticalCenterWithProperty = DependencyProperty.RegisterAttached(
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"AlignVerticalCenterWith", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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"AlignVerticalCenterWith", typeof(UIElement), typeof(RelativePanel), new FrameworkPropertyMetadata(default(UIElement), FrameworkPropertyMetadataOptions.AffectsRender));
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public static void SetAlignVerticalCenterWith(DependencyObject element, string value)
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public static void SetAlignVerticalCenterWith(DependencyObject element, UIElement value)
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=> element.SetValue(AlignVerticalCenterWithProperty, value);
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public static string GetAlignVerticalCenterWith(DependencyObject element)
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=> (string) element.GetValue(AlignVerticalCenterWithProperty);
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#endregion
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#region Sibling positional relationships
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public static readonly DependencyProperty LeftOfProperty = DependencyProperty.RegisterAttached(
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"LeftOf", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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public static void SetLeftOf(DependencyObject element, string value)
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=> element.SetValue(LeftOfProperty, value);
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public static string GetLeftOf(DependencyObject element)
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=> (string)element.GetValue(LeftOfProperty);
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public static readonly DependencyProperty AboveProperty = DependencyProperty.RegisterAttached(
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"Above", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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public static void SetAbove(DependencyObject element, string value)
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=> element.SetValue(AboveProperty, value);
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public static string GetAbove(DependencyObject element)
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=> (string)element.GetValue(AboveProperty);
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public static readonly DependencyProperty RightOfProperty = DependencyProperty.RegisterAttached(
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"RightOf", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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public static void SetRightOf(DependencyObject element, string value)
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=> element.SetValue(RightOfProperty, value);
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public static string GetRightOf(DependencyObject element)
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=> (string)element.GetValue(RightOfProperty);
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public static readonly DependencyProperty BelowProperty = DependencyProperty.RegisterAttached(
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"Below", typeof(string), typeof(RelativePanel), new PropertyMetadata(default(string)));
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public static void SetBelow(DependencyObject element, string value)
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=> element.SetValue(BelowProperty, value);
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public static string GetBelow(DependencyObject element)
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=> (string) element.GetValue(BelowProperty);
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public static UIElement GetAlignVerticalCenterWith(DependencyObject element)
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=> (UIElement)element.GetValue(AlignVerticalCenterWithProperty);
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#endregion
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protected override Size MeasureOverride(Size availableSize)
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{
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return availableSize;
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foreach (UIElement child in InternalChildren)
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{
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child?.Measure(availableSize);
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}
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return base.MeasureOverride(availableSize);
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}
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protected override Size ArrangeOverride(Size arrangeSize)
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{
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_childGraph.Reset(arrangeSize);
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foreach (UIElement child in InternalChildren)
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{
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if (child == null) continue;
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var node = _childGraph.AddNode(child);
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node.AlignLeftWithNode = _childGraph.AddLink(node, GetAlignLeftWith(child));
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node.AlignTopWithNode = _childGraph.AddLink(node, GetAlignTopWith(child));
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node.AlignRightWithNode = _childGraph.AddLink(node, GetAlignRightWith(child));
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node.AlignBottomWithNode = _childGraph.AddLink(node, GetAlignBottomWith(child));
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node.LeftOfNode = _childGraph.AddLink(node, GetLeftOf(child));
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node.AboveNode = _childGraph.AddLink(node, GetAbove(child));
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node.RightOfNode = _childGraph.AddLink(node, GetRightOf(child));
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node.BelowNode = _childGraph.AddLink(node, GetBelow(child));
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node.AlignHorizontalCenterWith = _childGraph.AddLink(node, GetAlignHorizontalCenterWith(child));
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node.AlignVerticalCenterWith = _childGraph.AddLink(node, GetAlignVerticalCenterWith(child));
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}
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if (_childGraph.CheckCyclic())
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{
|
||||
throw new Exception("RelativePanel error: Circular dependency detected. Layout could not complete.");
|
||||
}
|
||||
|
||||
return arrangeSize;
|
||||
}
|
||||
|
||||
private class GraphNode
|
||||
{
|
||||
public Point Position { get; set; }
|
||||
|
||||
public bool Arranged { get; set; }
|
||||
|
||||
public UIElement Element { get; }
|
||||
|
||||
public HashSet<GraphNode> OutgoingNodes { get; }
|
||||
|
||||
public GraphNode AlignLeftWithNode { get; set; }
|
||||
|
||||
public GraphNode AlignTopWithNode { get; set; }
|
||||
|
||||
public GraphNode AlignRightWithNode { get; set; }
|
||||
|
||||
public GraphNode AlignBottomWithNode { get; set; }
|
||||
|
||||
public GraphNode LeftOfNode { get; set; }
|
||||
|
||||
public GraphNode AboveNode { get; set; }
|
||||
|
||||
public GraphNode RightOfNode { get; set; }
|
||||
|
||||
public GraphNode BelowNode { get; set; }
|
||||
|
||||
public GraphNode AlignHorizontalCenterWith { get; set; }
|
||||
|
||||
public GraphNode AlignVerticalCenterWith { get; set; }
|
||||
|
||||
public GraphNode(UIElement element)
|
||||
{
|
||||
OutgoingNodes = new HashSet<GraphNode>();
|
||||
Element = element;
|
||||
}
|
||||
}
|
||||
|
||||
private class Graph
|
||||
{
|
||||
private readonly Dictionary<DependencyObject, GraphNode> _nodeDic;
|
||||
|
||||
private Size _arrangeSize;
|
||||
|
||||
public Graph()
|
||||
{
|
||||
_nodeDic = new Dictionary<DependencyObject, GraphNode>();
|
||||
}
|
||||
|
||||
public GraphNode AddLink(GraphNode from, UIElement to)
|
||||
{
|
||||
if (to == null) return null;
|
||||
|
||||
GraphNode nodeTo;
|
||||
if (_nodeDic.ContainsKey(to))
|
||||
{
|
||||
nodeTo = _nodeDic[to];
|
||||
}
|
||||
else
|
||||
{
|
||||
nodeTo = new GraphNode(to);
|
||||
_nodeDic[to] = nodeTo;
|
||||
}
|
||||
|
||||
from.OutgoingNodes.Add(nodeTo);
|
||||
return nodeTo;
|
||||
}
|
||||
|
||||
public GraphNode AddNode(UIElement value)
|
||||
{
|
||||
if (!_nodeDic.ContainsKey(value))
|
||||
{
|
||||
var node = new GraphNode(value);
|
||||
_nodeDic.Add(value, node);
|
||||
return node;
|
||||
}
|
||||
|
||||
return _nodeDic[value];
|
||||
}
|
||||
|
||||
public void Reset(Size arrangeSize)
|
||||
{
|
||||
_arrangeSize = arrangeSize;
|
||||
_nodeDic.Clear();
|
||||
}
|
||||
|
||||
public bool CheckCyclic() => CheckCyclic(_nodeDic.Values, null);
|
||||
|
||||
private bool CheckCyclic(IEnumerable<GraphNode> nodes, HashSet<DependencyObject> set)
|
||||
{
|
||||
if (set == null)
|
||||
{
|
||||
set = new HashSet<DependencyObject>();
|
||||
}
|
||||
|
||||
foreach (var node in nodes)
|
||||
{
|
||||
/*
|
||||
* 该节点无任何依赖，所以从这里开始计算元素位置。
|
||||
* 因为无任何依赖，所以忽略同级元素
|
||||
*/
|
||||
if (!node.Arranged && node.OutgoingNodes.Count == 0)
|
||||
{
|
||||
ArrangeChild(node, true);
|
||||
continue;
|
||||
}
|
||||
|
||||
// 判断依赖元素是否全部排列完毕
|
||||
if (node.OutgoingNodes.All(item => item.Arranged))
|
||||
{
|
||||
ArrangeChild(node);
|
||||
continue;
|
||||
}
|
||||
|
||||
// 判断是否有循环
|
||||
if (!set.Add(node.Element)) return true;
|
||||
|
||||
// 没有循环，且有依赖，则继续往下
|
||||
return CheckCyclic(node.OutgoingNodes, set);
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
private void ArrangeChild(GraphNode node, bool ignoneSibling = false)
|
||||
{
|
||||
var child = node.Element;
|
||||
var childSize = child.DesiredSize;
|
||||
var childPos = new Point();
|
||||
|
||||
#region 容器居中对齐
|
||||
|
||||
if (GetAlignHorizontalCenterWithPanel(child))
|
||||
{
|
||||
childPos.X = (_arrangeSize.Width - childSize.Width) / 2;
|
||||
}
|
||||
|
||||
if (GetAlignVerticalCenterWithPanel(child))
|
||||
{
|
||||
childPos.Y = (_arrangeSize.Height - childSize.Height) / 2;
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
var alignLeftWithPanel = GetAlignLeftWithPanel(child);
|
||||
var alignTopWithPanel = GetAlignTopWithPanel(child);
|
||||
var alignRightWithPanel = GetAlignRightWithPanel(child);
|
||||
var alignBottomWithPanel = GetAlignBottomWithPanel(child);
|
||||
|
||||
if (!ignoneSibling)
|
||||
{
|
||||
#region 元素间位置
|
||||
|
||||
if (node.LeftOfNode != null)
|
||||
{
|
||||
childPos.X = node.LeftOfNode.Position.X - childSize.Width;
|
||||
}
|
||||
|
||||
if (node.AboveNode != null)
|
||||
{
|
||||
childPos.Y = node.AboveNode.Position.Y - childSize.Height;
|
||||
}
|
||||
|
||||
if (node.RightOfNode != null)
|
||||
{
|
||||
childPos.X = node.RightOfNode.Position.X + node.RightOfNode.Element.DesiredSize.Width;
|
||||
}
|
||||
|
||||
if (node.BelowNode != null)
|
||||
{
|
||||
childPos.Y = node.BelowNode.Position.Y + node.BelowNode.Element.DesiredSize.Height;
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region 元素居中对齐
|
||||
|
||||
if (node.AlignHorizontalCenterWith != null)
|
||||
{
|
||||
childPos.X = node.AlignHorizontalCenterWith.Position.X +
|
||||
(node.AlignHorizontalCenterWith.Element.DesiredSize.Width - childSize.Width) / 2;
|
||||
}
|
||||
|
||||
if (node.AlignVerticalCenterWith != null)
|
||||
{
|
||||
childPos.Y = node.AlignVerticalCenterWith.Position.Y +
|
||||
(node.AlignVerticalCenterWith.Element.DesiredSize.Height - childSize.Height) / 2;
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region 元素间对齐
|
||||
|
||||
if (node.AlignLeftWithNode != null)
|
||||
{
|
||||
childPos.X = node.AlignLeftWithNode.Position.X;
|
||||
}
|
||||
|
||||
if (node.AlignTopWithNode != null)
|
||||
{
|
||||
childPos.Y = node.AlignTopWithNode.Position.Y;
|
||||
}
|
||||
|
||||
if (node.AlignRightWithNode != null)
|
||||
{
|
||||
childPos.X = node.AlignRightWithNode.Element.DesiredSize.Width + node.AlignRightWithNode.Position.X - childSize.Width;
|
||||
}
|
||||
|
||||
if (node.AlignBottomWithNode != null)
|
||||
{
|
||||
childPos.Y = node.AlignBottomWithNode.Element.DesiredSize.Height + node.AlignBottomWithNode.Position.Y - childSize.Height;
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
|
||||
#region 容器对齐
|
||||
|
||||
if (alignLeftWithPanel)
|
||||
{
|
||||
if (node.AlignRightWithNode != null)
|
||||
{
|
||||
childPos.X = (node.AlignRightWithNode.Element.DesiredSize.Width + node.AlignRightWithNode.Position.X - childSize.Width) / 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
childPos.X = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (alignTopWithPanel)
|
||||
{
|
||||
if (node.AlignBottomWithNode != null)
|
||||
{
|
||||
childPos.Y = (node.AlignBottomWithNode.Element.DesiredSize.Height + node.AlignBottomWithNode.Position.Y - childSize.Height) / 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
childPos.Y = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (alignRightWithPanel)
|
||||
{
|
||||
if (alignLeftWithPanel)
|
||||
{
|
||||
childPos.X = (_arrangeSize.Width - childSize.Width) / 2;
|
||||
}
|
||||
else if(node.AlignLeftWithNode == null)
|
||||
{
|
||||
childPos.X = _arrangeSize.Width - childSize.Width;
|
||||
}
|
||||
else
|
||||
{
|
||||
childPos.X = (_arrangeSize.Width + node.AlignLeftWithNode.Position.X - childSize.Width) / 2;
|
||||
}
|
||||
}
|
||||
|
||||
if (alignBottomWithPanel)
|
||||
{
|
||||
if (alignTopWithPanel)
|
||||
{
|
||||
childPos.Y = (_arrangeSize.Height - childSize.Height) / 2;
|
||||
}
|
||||
else if (node.AlignTopWithNode == null)
|
||||
{
|
||||
childPos.Y = _arrangeSize.Height - childSize.Height;
|
||||
}
|
||||
else
|
||||
{
|
||||
childPos.Y = (_arrangeSize.Height + node.AlignLeftWithNode.Position.Y - childSize.Height) / 2;
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
child.Arrange(new Rect(childPos.X, childPos.Y, childSize.Width, childSize.Height));
|
||||
node.Position = childPos;
|
||||
node.Arranged = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -91,8 +91,8 @@
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Cover\CoverView\CoverView.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Cover\CoverView\CoverViewContent.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Cover\CoverView\CoverViewItem.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Grid\Col.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Grid\Row.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Panel\Grid\Col.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Panel\Grid\Row.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Image\GifImage.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Image\ImageViewer.cs" />
|
||||
<Compile Include="$(MSBuildThisFileDirectory)Controls\Input\ComboBox.cs" />
|
||||
|
||||
@@ -55,9 +55,8 @@ namespace HandyControl.Tools.Converter
|
||||
|
||||
if (destinationType == null) throw new ArgumentNullException(nameof(destinationType));
|
||||
|
||||
if (!(value is ColLayout)) throw new ArgumentException("UnexpectedParameterType");
|
||||
if (!(value is ColLayout th)) throw new ArgumentException("UnexpectedParameterType");
|
||||
|
||||
var th = (ColLayout)value;
|
||||
if (destinationType == typeof(string)) return ToString(th, cultureInfo);
|
||||
if (destinationType == typeof(InstanceDescriptor))
|
||||
{
|
||||
|
||||
Reference in new issue
Block a user