Un contrôle-PropertyGrid très puissant

 1 <UserControl 2     x:Class="PropertyGridDemo.PropertyGridControl.CustomPropertyGrid" 3     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 4     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 5     xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 6     xmlns:dxprg="http://schemas.devexpress.com/winfx/2008/xaml/propertygrid" 7     xmlns:local="clr-namespace:PropertyGridDemo.PropertyGridControl" 8     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 9     d:DesignHeight="300"10     d:DesignWidth="300"11     mc:Ignorable="d">12     <UserControl.Resources>13         <ResourceDictionary>14             <ResourceDictionary.MergedDictionaries>15                 <!--  资源字典  -->16                 <ResourceDictionary Source="../PropertyGridControl/DynamicallyAssignDataEditorsResources.xaml" />17             </ResourceDictionary.MergedDictionaries>18         </ResourceDictionary>19     </UserControl.Resources>20     <Grid>21         <!--  PropertyDefinitionStyle:定义属性描述的风格模板  -->22         <!--  PropertyDefinitionTemplateSelector:定义一个模板选择器，对应一个继承自DataTemplateSelector的类  -->23         <!--  PropertyDefinitionsSource:定义一个获取数据属性集合的类，对应一个自定义类（本Demo中对应DataEditorsViewModel）  -->24         <dxprg:PropertyGridControl25             x:Name="PropertyGridControl"26             Margin="24"27             DataContextChanged="PropertyGridControl_DataContextChanged"28             ExpandCategoriesWhenSelectedObjectChanged="True"29             PropertyDefinitionStyle="{StaticResource DynamicallyAssignDataEditorsPropertyDefinitionStyle}"30             PropertyDefinitionTemplateSelector="{StaticResource DynamicallyAssignDataEditorsTemplateSelector}"31             PropertyDefinitionsSource="{Binding Path=Properties, Source={StaticResource DemoDataProvider}}"32             ShowCategories="True"33             ShowDescriptionIn="Panel" />34     </Grid>35 </UserControl>

 1 <ResourceDictionary 2     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 3     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 4     xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 5     xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors" 6     xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid" 7     xmlns:dxprg="http://schemas.devexpress.com/winfx/2008/xaml/propertygrid" 8     xmlns:local="clr-namespace:PropertyGridDemo.PropertyGridControl" 9     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"10     mc:Ignorable="d">11 12     <local:DynamicallyAssignDataEditorsTemplateSelector x:Key="DynamicallyAssignDataEditorsTemplateSelector" />13     <local:DataEditorsViewModel x:Key="DemoDataProvider" />14 15     <DataTemplate x:Key="DescriptionTemplate">16         <RichTextBox17             x:Name="descriptionRichTextBox"18             MinWidth="150"19             HorizontalContentAlignment="Stretch"20             Background="Transparent"21             BorderThickness="0"22             Foreground="{Binding Path=(TextElement.Foreground), RelativeSource={RelativeSource TemplatedParent}}"23             IsReadOnly="True"24             IsTabStop="False" />25     </DataTemplate>26     <DataTemplate x:Key="descriptionTemplate">27         <RichTextBox28             x:Name="descriptionRichTextBox"29             MinWidth="150"30             HorizontalContentAlignment="Stretch"31             Background="Transparent"32             BorderThickness="0"33             Foreground="{Binding Path=(TextElement.Foreground), RelativeSource={RelativeSource TemplatedParent}}"34             IsReadOnly="True"35             IsTabStop="False" />36     </DataTemplate>37 38     <!--  设置控件的全局样式和数据绑定  -->39     <Style x:Key="DynamicallyAssignDataEditorsPropertyDefinitionStyle" TargetType="dxprg:PropertyDefinition">40         <Setter Property="Path" Value="{Binding Name}" />41         <!--<Setter Property="Header" Value="{Binding Converter={StaticResource PropertyDescriptorToDisplayNameConverter}}"/>-->42         <Setter Property="Description" Value="{Binding}" />43         <Setter Property="DescriptionTemplate" Value="{StaticResource descriptionTemplate}" />44     </Style>45     <Style x:Key="DescriptionContainerStyle" TargetType="dxprg:PropertyDescriptionPresenterControl">46         <Setter Property="ShowSelectedRowHeader" Value="False" />47         <Setter Property="MinHeight" Value="70" />48     </Style>49 50     <Style TargetType="Slider">51         <Setter Property="Margin" Value="2" />52     </Style>53     <Style TargetType="dxe:ComboBoxEdit">54         <Setter Property="IsTextEditable" Value="False" />55         <Setter Property="ApplyItemTemplateToSelectedItem" Value="True" />56         <Setter Property="Margin" Value="2" />57     </Style>58 59     <!--  测试直接从DataTemplate获取控件  -->60     <DataTemplate x:Key="SliderTemplate" DataType="local:SliderExtend">61         <!--<dxprg:PropertyDefinition>62             <dxprg:PropertyDefinition.CellTemplate>-->63         <!--<DataTemplate>-->64         <StackPanel x:Name="Root">65             <Slider66                 Maximum="{Binding Path=Max}"67                 Minimum="{Binding Path=Min}"68                 Value="{Binding Path=Value}" />69             <TextBlock Text="{Binding Path=Value}" />70         </StackPanel>71         <!--</DataTemplate>-->72         <!--</dxprg:PropertyDefinition.CellTemplate>73         </dxprg:PropertyDefinition>-->74     </DataTemplate>75 76     <DataTemplate x:Key="ComboBoxEditItemTemplate" DataType="Tuple">77         <TextBlock78             Height="20"79             Margin="5,3,0,0"80             VerticalAlignment="Center"81             Text="{Binding Item1}" />82     </DataTemplate>83 </ResourceDictionary>

  1 using DevExpress.Xpf.Editors;  2 using DevExpress.Xpf.PropertyGrid;  3 using System.ComponentModel;  4 using System.Reflection;  5 using System.Windows;  6 using System.Windows.Controls;  7 using System.Windows.Data;  8   9 namespace PropertyGridDemo.PropertyGridControl 10 { 11     public class DynamicallyAssignDataEditorsTemplateSelector : DataTemplateSelector 12     { 13         private PropertyDescriptor _property = null; 14         private RootPropertyDefinition _element = null; 15         private PropertyDataContext _propertyDataContext => App.PropertyGridDataContext; 16  17         /// <summary> 18         /// 当重写在派生类中，返回根据自定义逻辑的 <see cref="T:System.Windows.DataTemplate" /> 。 19         /// </summary> 20         /// <param name="item">数据对象可以选择模板。</param> 21         /// <param name="container">数据对象。</param> 22         /// <returns> 23         /// 返回 <see cref="T:System.Windows.DataTemplate" /> 或 null。默认值为 null。 24         /// </returns> 25         public override DataTemplate SelectTemplate(object item, DependencyObject container) 26         { 27             _element = (RootPropertyDefinition)container; 28             DataTemplate resource = TryCreateResource(item); 29             return resource ?? base.SelectTemplate(item, container); 30         } 31  32         /// <summary> 33         /// Tries the create resource. 34         /// </summary> 35         /// <param name="item">The item.</param> 36         /// <returns></returns> 37         private DataTemplate TryCreateResource(object item) 38         { 39             if (!(item is PropertyDescriptor)) return null; 40             PropertyDescriptor pd = (PropertyDescriptor)item; 41             _property = pd; 42             var customUIAttribute = (CustomUIAttribute)pd.Attributes[typeof(CustomUIAttribute)]; 43             if (customUIAttribute == null) return null; 44             var customUIType = customUIAttribute.CustomUI; 45             return CreatePropertyDefinitionTemplate(customUIAttribute); 46         } 47  48         /// <summary> 49         /// Gets the data context. 50         /// </summary> 51         /// <param name="dataContextPropertyName">Name of the data context property.</param> 52         /// <returns></returns> 53         private object GetDataContext(string dataContextPropertyName) 54         { 55             PropertyInfo property = _propertyDataContext?.GetType().GetProperty(dataContextPropertyName); 56             if (property == null) return null; 57             return property.GetValue(_propertyDataContext, null); 58         } 59  60         /// <summary> 61         /// Creates the slider data template. 62         /// </summary> 63         /// <param name="customUIAttribute">The custom UI attribute.</param> 64         /// <returns></returns> 65         private DataTemplate CreateSliderDataTemplate(CustomUIAttribute customUIAttribute) 66         { 67             DataTemplate ct = new DataTemplate(); 68             ct.VisualTree = new FrameworkElementFactory(typeof(StackPanel)); 69             ct.VisualTree.SetValue(StackPanel.DataContextProperty, GetDataContext(customUIAttribute.DataContextPropertyName)); 70  71             FrameworkElementFactory sliderFactory = new FrameworkElementFactory(typeof(Slider)); 72             sliderFactory.SetBinding(Slider.MaximumProperty, new Binding(nameof(SliderUIDataContext.Max))); 73             sliderFactory.SetBinding(Slider.MinimumProperty, new Binding(nameof(SliderUIDataContext.Min))); 74             sliderFactory.SetBinding(Slider.SmallChangeProperty, new Binding(nameof(SliderUIDataContext.SmallChange))); 75             sliderFactory.SetBinding(Slider.LargeChangeProperty, new Binding(nameof(SliderUIDataContext.LargeChange))); 76             sliderFactory.SetBinding(Slider.ValueProperty, new Binding(nameof(SliderUIDataContext.Value))); 77             ct.VisualTree.AppendChild(sliderFactory); 78  79             FrameworkElementFactory textFacotry = new FrameworkElementFactory(typeof(TextBlock), "TextBlock"); 80             textFacotry.SetValue(TextBlock.TextProperty, new Binding(nameof(SliderUIDataContext.Value))); 81             //textBoxFactory.AddHandler(TextBox.IsVisibleChanged, new DependencyPropertyChangedEventHandler(SearchBoxVisibleChanged)); 82             ct.VisualTree.AppendChild(textFacotry); 83             ct.Seal(); 84             return ct; 85         } 86  87         /// <summary> 88         /// Creates the ComboBox edit template. 89         /// </summary> 90         /// <param name="customUIAttribute">The custom UI attribute.</param> 91         /// <returns></returns> 92         private DataTemplate CreateComboBoxEditTemplate(CustomUIAttribute customUIAttribute) 93         { 94             DataTemplate template = new DataTemplate(); 95             template.VisualTree = new FrameworkElementFactory(typeof(DockPanel)); 96             template.VisualTree.SetValue(DockPanel.DataContextProperty, GetDataContext(customUIAttribute.DataContextPropertyName)); 97  98             FrameworkElementFactory textFactory = new FrameworkElementFactory(typeof(TextBlock)) ; 99             textFactory.SetValue(TextBlock.TextProperty, new Binding(nameof(ComboBoxEditDataContext.Name)));100             template.VisualTree.AppendChild(textFactory);101 102             FrameworkElementFactory comboBoxEditFactory = new FrameworkElementFactory(typeof(ComboBoxEdit));103             comboBoxEditFactory.SetBinding(ComboBoxEdit.ItemsSourceProperty, new Binding(nameof(ComboBoxEditDataContext.ItemSource)));104             comboBoxEditFactory.SetBinding(ComboBoxEdit.EditValueProperty, new Binding(nameof(ComboBoxEditDataContext.EditValue)));105             comboBoxEditFactory.SetBinding(ComboBoxEdit.SelectedIndexProperty, new Binding(nameof(ComboBoxEditDataContext.SelectedIndex)));106             comboBoxEditFactory.SetValue(ComboBoxEdit.ItemTemplateProperty, (DataTemplate)_element.TryFindResource("ComboBoxEditItemTemplate"));107             template.VisualTree.AppendChild(comboBoxEditFactory);108             template.Seal();109             return template;110         }111 112         /// <summary>113         /// Creates the property definition template.114         /// </summary>115         /// <param name="customUIAttribute">The custom UI attribute.</param>116         /// <returns></returns>117         private DataTemplate CreatePropertyDefinitionTemplate(CustomUIAttribute customUIAttribute)118         {119             DataTemplate dataTemplate = new DataTemplate();120             DataTemplate cellTemplate = null;//单元格模板121             FrameworkElementFactory factory = new FrameworkElementFactory(typeof(PropertyDefinition));122             dataTemplate.VisualTree = factory;123             switch (customUIAttribute.CustomUI)124             {125                 case CustomUITypes.Slider:126                     cellTemplate = CreateSliderDataTemplate(customUIAttribute); break;127                     //cellTemplate = (DataTemplate)_element.TryFindResource("SliderTemplate");break;128                 case CustomUITypes.ComboBoxEit:129                     cellTemplate = CreateComboBoxEditTemplate(customUIAttribute);break;130                 131             }132 133             if (cellTemplate != null)134             {135                 factory.SetValue(PropertyDefinition.CellTemplateProperty, cellTemplate);136                 dataTemplate.Seal();137 138             }139             else140             {141                 return null;142             }143             return dataTemplate;144         }145     }146 }

using System.Collections.Generic;using System.ComponentModel;using System.Linq;namespace PropertyGridDemo.PropertyGridControl
{/// <summary>///初始化所有属性并调用模板选择器进行匹配/// </summary>public class DataEditorsViewModel
    {public IEnumerable<PropertyDescriptor> Properties { get { return TypeDescriptor.GetProperties(typeof(TestPropertyGrid)).Cast<PropertyDescriptor>(); } }
    }
}

using System;namespace PropertyGridDemo.PropertyGridControl
{public class CustomUIType
    {

    }public enum CustomUITypes
    {
        Slider,
        ComboBoxEit,
        SpinEdit,
        CheckBoxEdit
    }

    [AttributeUsage(AttributeTargets.Property)]internal class CustomUIAttribute : Attribute
    {public string DataContextPropertyName { get; set; }public CustomUITypes CustomUI { get; set; }/// <summary>/// 自定义控件属性构造函数/// </summary>/// <param name="uiTypes">The UI types.</param>/// <param name="dataContextPropertyName">Name of the data context property.</param>internal CustomUIAttribute(CustomUITypes uiTypes, string dataContextPropertyName)
        {
            CustomUI = uiTypes;
            DataContextPropertyName = dataContextPropertyName;
        }
    }

}

  1 using DevExpress.Mvvm.DataAnnotations;  2 using System;  3 using System.ComponentModel;  4 using System.ComponentModel.DataAnnotations;  5 using System.Timers;  6 using System.Windows;  7   8 namespace PropertyGridDemo.PropertyGridControl  9 { 10     [MetadataType(typeof(DynamicallyAssignDataEditorsMetadata))] 11     public class TestPropertyGrid : PropertyDataContext 12     { 13         private double _count = 0; 14         private SliderUIDataContext _countSource = null; 15         private ComboBoxEditDataContext _comboSource = null; 16         private double _value=1; 17  18         public TestPropertyGrid() 19         { 20             Password = "1111111"; 21             Notes = "Hello"; 22             Text = "Hello hi"; 23         } 24  25         [Browsable(false)] 26         public SliderUIDataContext CountSource 27         { 28             get 29             { 30                 if (_countSource != null) 31                 { 32  33                     return _countSource; 34                 } 35                 else 36                 { 37                     _countSource = new SliderUIDataContext(0, 100, Count, 0.1, 1); 38                     _countSource.PropertyChanged += (object o, PropertyChangedEventArgs e) => 39                     { 40                         this.Count = _countSource.Value; 41                     }; 42                     return _countSource; 43                 } 44             } 45         } 46  47         [Browsable(false)] 48         public ComboBoxEditDataContext ComboSource 49         { 50             get 51             { 52                 if(_comboSource==null) 53                 { 54                     _comboSource =new ComboBoxEditDataContext(ComboBoxEditItemSource.TestItemSource,Value); 55                     _comboSource.PropertyChanged += (object o, PropertyChangedEventArgs e) => 56                       { 57                           this.Value =Convert.ToDouble(_comboSource.EditValue.Item2); 
 58                       }; 59                     60                 } 61                 return _comboSource; 62             } 63         } 64  65         [Display(Name = "SliderEdit", GroupName = "CustomUI")] 66         [CustomUI(CustomUITypes.Slider, nameof(CountSource))] 67         public double Count 68         { 69             get => _count; 70             set 71             { 72                 _count = value; 73                 CountSource.Value = value; 
 74                 RaisePropertyChanged(nameof(Count)); 75             } 76         } 77  78         [Display(Name = "ComboBoxEditItem", GroupName = "CustomUI")] 79         [CustomUI(CustomUITypes.ComboBoxEit, nameof(ComboSource))] 80         public double Value 81         { 82             get => _value; 83             set 84             { 85                 if (_value == value) return; 86                 _value = value; 87                 //ComboSource.Value = value; 88                 RaisePropertyChanged(nameof(Value)); 89             } 90         } 91  92         [Display(Name = "Password", GroupName = "DefaultUI")] 93         public string Password { get; set; } 94  95         [Display(Name = "TextEdit", GroupName = "DefaultUI")] 96         public string Text { get; set; } 97  98         [Display(Name = "Notes", GroupName = "DefaultUI")] 99         public string Notes { get; set; }100 101 102         [Display(Name = "Double", GroupName = "DefaultUI")]103         [DefaultValue(1)]104         public double TestDouble { get; set; }105 106         [Display(Name = "Items", GroupName = "DefaultUI")]107         [DefaultValue(Visibility.Visible)]108         public Visibility TestItems { get; set; }109     }110 111     public static class DynamicallyAssignDataEditorsMetadata112     {113         public static void BuildMetadata(MetadataBuilder<TestPropertyGrid> builder)114         {115             builder.Property(x => x.Password)116                 .PasswordDataType();117 118             builder.Property(x => x.Notes)119                 .MultilineTextDataType();120         }121     }122 }

namespace PropertyGridDemo.PropertyGridControl
{public class SliderUIDataContext:PropertyDataContext
    {private double _value = 0;private double _max = 0;private double _min = 0;private double _smallChange = 1;private double _largeChange=1;public SliderUIDataContext()
        {

        }/// <summary>/// Initializes a new instance of the <see cref="SliderUIDataContext"/> class./// </summary>/// <param name="min">The minimum.</param>/// <param name="max">The maximum.</param>/// <param name="value">The value.</param>/// <param name="smallChange">The small change.</param>/// <param name="largeChange">The large change.</param>public SliderUIDataContext(double min, double max, double value,double smallChange=0.01,double largeChange=0.1)
        {
            SmallChange = smallChange;
            LargeChange = largeChange;
            Max = max;
            Min = min;
            Value = value;
        }/// <summary>/// Gets or sets the small change./// </summary>/// <value>/// The small change./// </value>public double SmallChange
        {get => _smallChange;set{if (value == _min) return;
                _min = value;
                RaisePropertyChanged(nameof(SmallChange));
            }
        }/// <summary>/// Gets or sets the large change./// </summary>/// <value>/// The large change./// </value>public double LargeChange
        {get => _largeChange;set{if (Value == _largeChange) return;
                _largeChange = value;
                RaisePropertyChanged(nameof(LargeChange));
            }
        }/// <summary>/// Gets or sets the maximum./// </summary>/// <value>/// The maximum./// </value>public double Max
        {get => _max;set{if (value == _max) return;
                _max = value;
                RaisePropertyChanged(nameof(Max));
            }
        }/// <summary>/// Gets or sets the minimum./// </summary>/// <value>/// The minimum./// </value>public double Min
        {get => _min;set{if (value == _min) return;
                _min = value;
                RaisePropertyChanged(nameof(Min));
            }
        }/// <summary>/// Gets or sets the value./// </summary>/// <value>/// The value./// </value>public double Value
        {get => _value;set{if (value == _value) return;
                _value = value;
                RaisePropertyChanged(nameof(Value));
            }
        }
    }
}