From 3192832e76b1f7ed1b1bd56a8f227f56fdaefca9 Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Tue, 5 Nov 2019 00:52:18 +0800
Subject: [PATCH] refactor Poptip

---
 .../Controls/Button/SplitButton.cs            |  10 +-
 .../Controls/Other/Poptip.cs                  | 219 +++++++++++++++++-
 .../Data/Enum/{MouseHitMode.cs => HitMode.cs} |   5 +-
 .../HandyControl_Shared.projitems             |   2 +-
 .../Themes/Styles/Base/PoptipBaseStyle.xaml   |  14 +-
 5 files changed, 240 insertions(+), 10 deletions(-)
 rename src/Shared/HandyControl_Shared/Data/Enum/{MouseHitMode.cs => HitMode.cs} (55%)

diff --git a/src/Shared/HandyControl_Shared/Controls/Button/SplitButton.cs b/src/Shared/HandyControl_Shared/Controls/Button/SplitButton.cs
index 0bdd19e7..f5e3767c 100644
--- a/src/Shared/HandyControl_Shared/Controls/Button/SplitButton.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Button/SplitButton.cs
@@ -10,11 +10,11 @@ namespace HandyControl.Controls
     public class SplitButton : ButtonBase
     {
         public static readonly DependencyProperty HitModeProperty = DependencyProperty.Register(
-            "HitMode", typeof(MouseHitMode), typeof(SplitButton), new PropertyMetadata(default(MouseHitMode)));
+            "HitMode", typeof(HitMode), typeof(SplitButton), new PropertyMetadata(default(HitMode)));
 
-        public MouseHitMode HitMode
+        public HitMode HitMode
         {
-            get => (MouseHitMode) GetValue(HitModeProperty);
+            get => (HitMode) GetValue(HitModeProperty);
             set => SetValue(HitModeProperty, value);
         }
 
@@ -62,7 +62,7 @@ namespace HandyControl.Controls
         {
             base.OnPreviewMouseLeftButtonDown(e);
 
-            if (HitMode == MouseHitMode.Hover)
+            if (HitMode == HitMode.Hover)
             {
                 e.Handled = true;
             }
@@ -72,7 +72,7 @@ namespace HandyControl.Controls
         {
             base.OnMouseEnter(e);
 
-            if (HitMode == MouseHitMode.Hover)
+            if (HitMode == HitMode.Hover)
             {
                 SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.TrueBox);
             }
diff --git a/src/Shared/HandyControl_Shared/Controls/Other/Poptip.cs b/src/Shared/HandyControl_Shared/Controls/Other/Poptip.cs
index 0238bd22..740eea30 100644
--- a/src/Shared/HandyControl_Shared/Controls/Other/Poptip.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Other/Poptip.cs
@@ -1,11 +1,102 @@
-using System.Windows;
+using System.ComponentModel;
+using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
 using HandyControl.Data;
+using HandyControl.Data.Enum;
+using HandyControl.Interactivity;
 
 namespace HandyControl.Controls
 {
     public class Poptip : Control
     {
+        private Popup _popup;
+
+        private AdornerContainer _adorner;
+
+        private UIElement _elementTarget;
+
+        public Poptip()
+        {
+            _popup = new Popup
+            {
+                AllowsTransparency = true,
+                Child = this
+            };
+
+            _popup.SetBinding(Popup.IsOpenProperty, new Binding(IsOpenProperty.Name)
+            {
+                Source = this,
+                Mode = BindingMode.TwoWay
+            });
+        }
+
+        public static readonly DependencyProperty HitModeProperty = DependencyProperty.Register(
+            "HitMode", typeof(HitMode), typeof(Poptip), new PropertyMetadata(HitMode.Hover));
+
+        public HitMode HitMode
+        {
+            get => (HitMode)GetValue(HitModeProperty);
+            set => SetValue(HitModeProperty, value);
+        }
+
+        public static readonly DependencyProperty ContentProperty = DependencyProperty.Register(
+            "Content", typeof(object), typeof(Poptip), new PropertyMetadata(default(object)));
+
+        public object Content
+        {
+            get => GetValue(ContentProperty);
+            set => SetValue(ContentProperty, value);
+        }
+
+        public static readonly DependencyProperty ContentTemplateProperty = DependencyProperty.Register(
+            "ContentTemplate", typeof(DataTemplate), typeof(Poptip), new PropertyMetadata(default(DataTemplate)));
+
+        public DataTemplate ContentTemplate
+        {
+            get => (DataTemplate)GetValue(ContentTemplateProperty);
+            set => SetValue(ContentTemplateProperty, value);
+        }
+
+        public static readonly DependencyProperty ContentStringFormatProperty = DependencyProperty.Register(
+            "ContentStringFormat", typeof(string), typeof(Poptip), new PropertyMetadata(default(string)));
+
+        public string ContentStringFormat
+        {
+            get => (string)GetValue(ContentStringFormatProperty);
+            set => SetValue(ContentStringFormatProperty, value);
+        }
+
+        public static readonly DependencyProperty ContentTemplateSelectorProperty = DependencyProperty.Register(
+            "ContentTemplateSelector", typeof(DataTemplateSelector), typeof(Poptip), new PropertyMetadata(default(DataTemplateSelector)));
+
+        public DataTemplateSelector ContentTemplateSelector
+        {
+            get => (DataTemplateSelector)GetValue(ContentTemplateSelectorProperty);
+            set => SetValue(ContentTemplateSelectorProperty, value);
+        }
+
+        public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.Register(
+            "HorizontalOffset", typeof(double), typeof(Poptip), new PropertyMetadata(ValueBoxes.Double0Box));
+
+        public double HorizontalOffset
+        {
+            get => (double)GetValue(HorizontalOffsetProperty);
+            set => SetValue(HorizontalOffsetProperty, value);
+        }
+
+        public static readonly DependencyProperty VerticalOffsetProperty = DependencyProperty.Register(
+            "VerticalOffset", typeof(double), typeof(Poptip), new PropertyMetadata(ValueBoxes.Double0Box));
+
+        public double VerticalOffset
+        {
+            get => (double)GetValue(VerticalOffsetProperty);
+            set => SetValue(VerticalOffsetProperty, value);
+        }
+
         public static readonly DependencyProperty PlacementProperty = DependencyProperty.Register(
             "Placement", typeof(TipPlacement), typeof(Poptip), new PropertyMetadata(TipPlacement.Top));
 
@@ -14,5 +105,131 @@ namespace HandyControl.Controls
             get => (TipPlacement) GetValue(PlacementProperty);
             set => SetValue(PlacementProperty, value);
         }
+
+        public static readonly DependencyProperty IsOpenProperty = DependencyProperty.Register(
+            "IsOpen", typeof(bool), typeof(Poptip), new PropertyMetadata(default(bool)));
+
+        public bool IsOpen
+        {
+            get => (bool) GetValue(IsOpenProperty);
+            set => SetValue(IsOpenProperty, value);
+        }
+
+        public static readonly DependencyProperty TargetProperty = DependencyProperty.Register(
+            "Target", typeof(UIElement), typeof(Poptip), new PropertyMetadata(default(UIElement), OnTargetChanged));
+
+        private static void OnTargetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            var ctl = (Poptip)d;
+            ctl.UpdateTarget(ctl._elementTarget, false);
+            ctl.UpdateTarget((UIElement)e.NewValue, true);
+        }
+
+        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public UIElement Target
+        {
+            get => (UIElement) GetValue(TargetProperty);
+            set => SetValue(TargetProperty, value);
+        }
+
+        public static readonly DependencyProperty InstanceProperty = DependencyProperty.RegisterAttached(
+            "Instance", typeof(Poptip), typeof(Poptip), new PropertyMetadata(default(Poptip), OnMagnifierChanged));
+
+        private static void OnMagnifierChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (!(d is UIElement target)) return;
+            var poptip = (Poptip)e.NewValue;
+            poptip.Target = target;
+        }
+
+        public static void SetInstance(DependencyObject element, Poptip value)
+            => element.SetValue(InstanceProperty, value);
+
+        public static Poptip GetInstance(DependencyObject element)
+            => (Poptip)element.GetValue(InstanceProperty);
+
+        public static Poptip Default => new Poptip();
+
+        private void UpdateTarget(UIElement element, bool isNew)
+        {
+            if (element == null) return;
+
+            if (!isNew)
+            {
+                element.MouseEnter -= Element_MouseEnter;
+                element.MouseLeave -= Element_MouseLeave;
+                element.GotFocus -= Element_GotFocus;
+                element.LostFocus -= Element_LostFocus;
+                _elementTarget = null;
+            }
+            else
+            {
+                element.MouseEnter += Element_MouseEnter;
+                element.MouseLeave += Element_MouseLeave;
+                element.GotFocus += Element_GotFocus;
+                element.LostFocus += Element_LostFocus;
+                _elementTarget = element;
+                _popup.PlacementTarget = _elementTarget;
+            }
+        }
+
+        private void UpdateLocation()
+        {
+            var targetPoint = Mouse.GetPosition(Target);
+        }
+
+        private void ShowPoptip()
+        {
+            if (_adorner == null)
+            {
+                var layer = AdornerLayer.GetAdornerLayer(Target);
+                if (layer == null) return;
+                _adorner = new AdornerContainer(layer)
+                {
+                    Child = this
+                };
+                layer.Add(_adorner);
+            }
+
+            UpdateLocation();
+            SetCurrentValue(IsOpenProperty, true);
+        }
+
+        private void ClosePoptip()
+        {
+            var layer = AdornerLayer.GetAdornerLayer(Target);
+            if (layer == null) return;
+            layer.Remove(_adorner);
+            _adorner.Child = null;
+            _adorner = null;
+        }
+
+        private void Element_MouseEnter(object sender, MouseEventArgs e)
+        {
+            if (HitMode != HitMode.Hover) return;
+
+            ShowPoptip();
+        }
+
+        private void Element_MouseLeave(object sender, MouseEventArgs e)
+        {
+            if (HitMode != HitMode.Hover) return;
+
+            ClosePoptip();
+        }
+
+        private void Element_GotFocus(object sender, RoutedEventArgs e)
+        {
+            if (HitMode != HitMode.Focus) return;
+
+            ShowPoptip();
+        }
+
+        private void Element_LostFocus(object sender, RoutedEventArgs e)
+        {
+            if (HitMode != HitMode.Focus) return;
+
+            ClosePoptip();
+        }
     }
 }
diff --git a/src/Shared/HandyControl_Shared/Data/Enum/MouseHitMode.cs b/src/Shared/HandyControl_Shared/Data/Enum/HitMode.cs
similarity index 55%
rename from src/Shared/HandyControl_Shared/Data/Enum/MouseHitMode.cs
rename to src/Shared/HandyControl_Shared/Data/Enum/HitMode.cs
index 6232328a..c11b13bc 100644
--- a/src/Shared/HandyControl_Shared/Data/Enum/MouseHitMode.cs
+++ b/src/Shared/HandyControl_Shared/Data/Enum/HitMode.cs
@@ -1,8 +1,9 @@
 namespace HandyControl.Data.Enum
 {
-    public enum MouseHitMode
+    public enum HitMode
     {
         Click,
-        Hover
+        Hover,
+        Focus
     }
 }
diff --git a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
index a9a897ef..077f6b78 100644
--- a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
+++ b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
@@ -38,7 +38,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Slider\RangeSlider\TwoWayRangeBase.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Block\RunningBlock.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\HatchStyle.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\MouseHitMode.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\HitMode.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\ShowAnimation.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\NotifyIconInfoType.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Interactivity\Commands\CloseWindowCommand.cs" />
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/PoptipBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/PoptipBaseStyle.xaml
index fa63f379..aef9c9f3 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/PoptipBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/PoptipBaseStyle.xaml
@@ -2,11 +2,23 @@
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:controls="clr-namespace:HandyControl.Controls">
 
+    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="../../Basic/Sizes.xaml"/>
+    </ResourceDictionary.MergedDictionaries>
+
     <Style x:Key="PoptipBaseStyle" TargetType="controls:Poptip">
+        <Setter Property="IsHitTestVisible" Value="False" />
+        <Setter Property="HorizontalAlignment" Value="Left"/>
+        <Setter Property="VerticalAlignment" Value="Top"/>
+        <Setter Property="Background" Value="{DynamicResource BackgroundBrush}"/>
+        <Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}"/>
+        <Setter Property="controls:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}"/>
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="controls:Poptip">
-                    
+                    <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
+                        <ContentPresenter Margin="{TemplateBinding Padding}" ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}" ContentStringFormat="{TemplateBinding ContentStringFormat}" ContentTemplate="{TemplateBinding ContentTemplate}"/>
+                    </Border>
                 </ControlTemplate>
             </Setter.Value>
         </Setter>