示例：WPF开发的简单ObjectProperyForm用来绑定实体表单
原文:示例：WPF开发的简单ObjectProperyForm用来绑定实体表单
一、目的：自定义控件，用来直接绑定实体数据，简化开发周期
二、实现：
1、绑定实体对象
2、通过特性显示属性名称
3、通过特性增加验证条件
4、已经实现String、Int、Double、DateTime、Bool几种简单类型的DataTemplate模板，其他模板支持扩展
5、其他后续更新...
三、示例：
实体定义如下：
-
public class Student
-
{
-
[Display("姓名")]
-
[Required]
-
public string Name { get; set; }
-
-
[Display("班级")]
-
[Required]
-
public string Class { get; set; }
-
-
[Display("地址")]
-
[Required]
-
public string Address { get; set; }
-
-
[Display("邮箱")]
-
[Required]
-
public string Emall { get; set; }
-
-
[Display("可用")]
-
[Required]
-
public bool IsEnbled { get; set; }
-
-
[Display("时间")]
-
[Required]
-
public DateTime time { get; set; }
-
-
[Display("年龄")]
-
[Required]
-
public int Age { get; set; }
-
-
[Display("平均分")]
-
public double Score { get; set; }
-
-
[Display("电话号码")]
-
[Required]
-
[RegularExpression(@"^1[3|4|5|7|8][0-9]{9}$", ErrorMessage = "手机号码不合法！")]
-
public string Tel { get; set; }
-
}
DisplayAttribute：用来标识显示名称
ResuiredAttribute：用来标识数据不能为空
RgularExpression：引用正则表达式验证数据是否匹配
其他特性后续更新...
应用方式：
-
-
<UserControl.Resources>
-
<local:Student x:Key="S.Student.HeBianGu"
-
Name="河边骨"
-
Address="四川省成都市高新区"
-
Class="四年级"
-
Emall="7777777777@QQ.com" Age="33" Score="99.99" IsEnbled="True" time="2019-09-09"/>
-
</UserControl.Resources>
-
-
<wpfcontrollib:ObjectPropertyForm Grid.Row="1" Title="学生信息" SelectObject="{StaticResource S.Student.HeBianGu}" >
-
<base:Interaction.Behaviors>
-
<base:MouseDragElementBehavior ConstrainToParentBounds="True"/>
-
<base:SelectZIndexElementBehavior/>
-
</base:Interaction.Behaviors>
四、代码
1、通过反射获取属性和特性
-
ObservableCollection<ObjectPropertyItem> PropertyItemSource
-
{
-
get { return (ObservableCollection<ObjectPropertyItem>)GetValue(PropertyItemSourceProperty); }
-
set { SetValue(PropertyItemSourceProperty, value); }
-
}
-
-
// Using a DependencyProperty as the backing store for MyProperty. This enables animation, styling, binding, etc...
-
public static readonly DependencyProperty PropertyItemSourceProperty =
-
DependencyProperty.Register("PropertyItemSource", typeof(ObservableCollection<ObjectPropertyItem>), typeof(ObjectPropertyForm), new PropertyMetadata(new ObservableCollection<ObjectPropertyItem>(), (d, e) =>
-
{
-
ObjectPropertyForm control = d as ObjectPropertyForm;
-
-
if (control == null) return;
-
-
ObservableCollection<ObjectPropertyItem> config = e.NewValue as ObservableCollection<ObjectPropertyItem>;
-
-
}));
-
-
-
void RefreshObject(object o)
-
{
-
Type type = o.GetType();
-
-
var propertys = type.GetProperties();
-
-
this.PropertyItemSource.Clear();
-
-
foreach (var item in propertys)
-
{
-
var from = ObjectPropertyFactory.Create(item, o);
-
-
this.PropertyItemSource.Add(from);
-
}
-
-
this.ItemsSource = this.PropertyItemSource;
-
}
2、定义类型基类、扩展之类和工厂方法
-
/// <summary> 类型基类 </summary>
-
public class ObjectPropertyItem : NotifyPropertyChanged
-
{
-
public string Name { get; set; }
-
public PropertyInfo PropertyInfo { get; set; }
-
-
public object Obj { get; set; }
-
public ObjectPropertyItem(PropertyInfo property, object obj)
-
{
-
PropertyInfo = property;
-
-
-
var display = property.GetCustomAttribute<DisplayAttribute>();
-
-
Name = display == null ? property.Name : display.Name;
-
-
Obj = obj;
-
}
-
-
-
}
-
-
/// <summary> 泛型类型基类 </summary>
-
public class ObjectPropertyItem<T> : ObjectPropertyItem
-
{
-
private T _value;
-
/// <summary> 说明 </summary>
-
public T Value
-
{
-
get { return _value; }
-
set
-
{
-
-
this.Message = null;
-
-
// Do：检验数据有效性
-
if (Validations != null)
-
{
-
foreach (var item in Validations)
-
{
-
if (!item.IsValid(value))
-
{
-
this.Message = item.ErrorMessage;
-
}
-
}
-
}
-
-
_value = value;
-
-
RaisePropertyChanged("Value");
-
-
this.SetValue(value);
-
}
-
}
-
-
void SetValue(T value)
-
{
-
this.PropertyInfo.SetValue(Obj, value);
-
}
-
-
List<ValidationAttribute> Validations { get; }
-
-
public ObjectPropertyItem(PropertyInfo property, object obj) : base(property, obj)
-
{
-
Value = (T)property.GetValue(obj);
-
-
Validations = property.GetCustomAttributes<ValidationAttribute>()?.ToList();
-
-
if(Validations!=null&& Validations.Count>0)
-
{
-
this.Flag = "*";
-
}
-
}
-
-
-
-
private string _message;
-
/// <summary> 说明 </summary>
-
public string Message
-
{
-
get { return _message; }
-
set
-
{
-
_message = value;
-
RaisePropertyChanged("Message");
-
}
-
}
-
-
public string Flag { get; set; }
-
-
}
-
-
/// <summary> 字符串属性类型 </summary>
-
public class StringPropertyItem : ObjectPropertyItem<string>
-
{
-
public StringPropertyItem(PropertyInfo property, object obj) : base(property, obj)
-
{
-
}
-
}
-
-
/// <summary> 时间属性类型 </summary>
-
public class DateTimePropertyItem : ObjectPropertyItem<DateTime>
-
{
-
public DateTimePropertyItem(PropertyInfo property, object obj) : base(property, obj)
-
{
-
}
-
}
-
-
/// <summary> Double属性类型 </summary>
-
public class DoublePropertyItem : ObjectPropertyItem<double>
-
{
-
public DoublePropertyItem(PropertyInfo property, object obj) : base(property, obj)
-
{
-
}
-
}
-
-
/// <summary> Int属性类型 </summary>
-
-
public class IntPropertyItem : ObjectPropertyItem<int>
-
{
-
public IntPropertyItem(PropertyInfo property, object obj) : base(property, obj)
-
{
-
}
-
}
-
-
/// <summary> Bool属性类型 </summary>
-
public class BoolPropertyItem : ObjectPropertyItem<bool>
-
{
-
public BoolPropertyItem(PropertyInfo property, object obj) : base(property, obj)
-
{
-
}
-
}
类型工厂：
-
public class ObjectPropertyFactory
-
{
-
public static ObjectPropertyItem Create(PropertyInfo info, object obj)
-
{
-
if (info.PropertyType == typeof(int))
-
{
-
return new IntPropertyItem(info, obj);
-
}
-
else if (info.PropertyType == typeof(string))
-
{
-
return new StringPropertyItem(info, obj);
-
}
-
else if (info.PropertyType == typeof(DateTime))
-
{
-
return new DateTimePropertyItem(info, obj);
-
}
-
else if (info.PropertyType == typeof(double))
-
{
-
return new DoublePropertyItem(info, obj);
-
}
-
else if (info.PropertyType == typeof(bool))
-
{
-
return new BoolPropertyItem(info, obj);
-
}
-
-
return null;
-
}
-
}
3、样式模板
-
<DataTemplate DataType="{x:Type base:StringPropertyItem}">
-
<Grid Width="{Binding RelativeSource={RelativeSource AncestorType=local:ObjectPropertyForm},Path=Width-5}"
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Height="35" Margin="5,0">
-
<Grid.ColumnDefinitions>
-
<ColumnDefinition Width="*"/>
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="2*"/>
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<ColumnDefinition Width="30"/>
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</Grid.ColumnDefinitions>
-
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<TextBlock Text="{Binding Name}"
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FontSize="14"
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HorizontalAlignment="Center"
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VerticalAlignment="Center"/>
-
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<TextBlock Text="{Binding Flag}"
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Grid.Column="1" Margin="5,0"
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FontSize="14" Foreground="{DynamicResource S.Brush.Red.Notice}"
-
HorizontalAlignment="Right"
-
VerticalAlignment="Center"/>
-
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<local:FTextBox Text="{Binding Value,UpdateSourceTrigger=PropertyChanged}" Style="{DynamicResource DefaultTextBox}"
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FontSize="14" Width="Auto" CaretBrush="Black"
-
Grid.Column="2" Height="30" base:ControlAttachProperty.FIcon=""
-
VerticalContentAlignment="Center"
-
HorizontalAlignment="Stretch" VerticalAlignment="Center"/>
-
-
<TextBlock Text="" Grid.Column="3" Style="{DynamicResource FIcon }"
-
Foreground="{DynamicResource S.Brush.Red.Notice}"
-
Visibility="{Binding Message,Converter={x:Static base:XConverter.VisibilityWithOutStringConverter},ConverterParameter={x:Null},Mode=TwoWay}"
-
FontSize="14" TextTrimming="CharacterEllipsis" ToolTip="{Binding Message}"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
</Grid>
-
</DataTemplate>
-
-
<DataTemplate DataType="{x:Type base:BoolPropertyItem}">
-
<Grid Width="{Binding RelativeSource={RelativeSource AncestorType=local:ObjectPropertyForm},Path=Width-5}" Height="35" Margin="5,0">
-
<Grid.ColumnDefinitions>
-
<ColumnDefinition Width="*"/>
-
<ColumnDefinition Width="Auto"/>
-
<ColumnDefinition Width="2*"/>
-
<ColumnDefinition Width="30"/>
-
</Grid.ColumnDefinitions>
-
-
<TextBlock Text="{Binding Name}"
-
FontSize="14"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
-
<TextBlock Text="{Binding Flag}"
-
Grid.Column="1" Margin="5,0"
-
FontSize="14" Foreground="{DynamicResource S.Brush.Red.Notice}"
-
HorizontalAlignment="Right"
-
VerticalAlignment="Center"/>
-
<CheckBox IsChecked="{Binding Value}" FontSize="14" Grid.Column="2" Height="30"
-
VerticalContentAlignment="Center"
-
HorizontalAlignment="Left" VerticalAlignment="Center"/>
-
-
-
<TextBlock Text="" Grid.Column="3" Style="{DynamicResource FIcon }"
-
Foreground="{DynamicResource S.Brush.Red.Notice}" Visibility="{Binding Message,Converter={x:Static base:XConverter.VisibilityWithOutStringConverter},ConverterParameter={x:Null}}"
-
FontSize="14" TextTrimming="CharacterEllipsis" ToolTip="{Binding Message}"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
</Grid>
-
</DataTemplate>
-
-
<DataTemplate DataType="{x:Type base:DateTimePropertyItem}">
-
<Grid Width="{Binding RelativeSource={RelativeSource AncestorType=local:ObjectPropertyForm},Path=Width-5}" Height="35" Margin="5,0">
-
<Grid.ColumnDefinitions>
-
<ColumnDefinition Width="*"/>
-
<ColumnDefinition Width="Auto"/>
-
<ColumnDefinition Width="2*"/>
-
<ColumnDefinition Width="30"/>
-
</Grid.ColumnDefinitions>
-
-
<TextBlock Text="{Binding Name}"
-
FontSize="14"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
-
<TextBlock Text="{Binding Flag}"
-
Grid.Column="1" Margin="5,0"
-
FontSize="14" Foreground="{DynamicResource S.Brush.Red.Notice}"
-
HorizontalAlignment="Right"
-
VerticalAlignment="Center"/>
-
<DatePicker SelectedDate="{Binding Value}" FontSize="14" Grid.Column="2" Height="30"
-
VerticalContentAlignment="Center" Width="Auto"
-
HorizontalAlignment="Stretch" VerticalAlignment="Center"/>
-
-
-
<TextBlock Text="" Grid.Column="3" Style="{DynamicResource FIcon }"
-
Foreground="{DynamicResource S.Brush.Red.Notice}" Visibility="{Binding Message,Converter={x:Static base:XConverter.VisibilityWithOutStringConverter},ConverterParameter={x:Null}}"
-
FontSize="14" TextTrimming="CharacterEllipsis" ToolTip="{Binding Message}"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
</Grid>
-
</DataTemplate>
-
-
<DataTemplate DataType="{x:Type base:IntPropertyItem}">
-
<Grid Width="{Binding RelativeSource={RelativeSource AncestorType=local:ObjectPropertyForm},Path=Width-5}" Height="35" Margin="5,0">
-
<Grid.ColumnDefinitions>
-
<ColumnDefinition Width="*"/>
-
<ColumnDefinition Width="Auto"/>
-
<ColumnDefinition Width="2*"/>
-
<ColumnDefinition Width="30"/>
-
</Grid.ColumnDefinitions>
-
-
<TextBlock Text="{Binding Name}"
-
FontSize="14"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
-
<TextBlock Text="{Binding Flag}"
-
Grid.Column="1" Margin="5,0"
-
FontSize="14" Foreground="{DynamicResource S.Brush.Red.Notice}"
-
HorizontalAlignment="Right"
-
VerticalAlignment="Center"/>
-
<Slider Value="{Binding Value}" FontSize="14" Grid.Column="2" Height="30"
-
VerticalContentAlignment="Center"
-
HorizontalAlignment="Stretch" VerticalAlignment="Center"/>
-
-
-
<TextBlock Text="" Grid.Column="3" Style="{DynamicResource FIcon }"
-
Foreground="{DynamicResource S.Brush.Red.Notice}" Visibility="{Binding Message,Converter={x:Static base:XConverter.VisibilityWithOutStringConverter},ConverterParameter={x:Null}}"
-
FontSize="14" TextTrimming="CharacterEllipsis" ToolTip="{Binding Message}"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
</Grid>
-
</DataTemplate>
-
-
<DataTemplate DataType="{x:Type base:DoublePropertyItem}">
-
<Grid Width="{Binding RelativeSource={RelativeSource AncestorType=local:ObjectPropertyForm},Path=Width-5}" Height="35" Margin="5,0">
-
<Grid.ColumnDefinitions>
-
<ColumnDefinition Width="*"/>
-
<ColumnDefinition Width="Auto"/>
-
<ColumnDefinition Width="2*"/>
-
<ColumnDefinition Width="30"/>
-
</Grid.ColumnDefinitions>
-
-
<TextBlock Text="{Binding Name}"
-
FontSize="14"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
-
<TextBlock Text="{Binding Flag}"
-
Grid.Column="1" Margin="5,0"
-
FontSize="14" Foreground="{DynamicResource S.Brush.Red.Notice}"
-
HorizontalAlignment="Right"
-
VerticalAlignment="Center"/>
-
<Slider Value="{Binding Value}" FontSize="14" Grid.Column="2" Height="30"
-
VerticalContentAlignment="Center"
-
HorizontalAlignment="Stretch" VerticalAlignment="Center"/>
-
-
-
<TextBlock Text="" Grid.Column="3" Style="{DynamicResource FIcon }"
-
Foreground="{DynamicResource S.Brush.Red.Notice}" Visibility="{Binding Message,Converter={x:Static base:XConverter.VisibilityWithOutStringConverter},ConverterParameter={x:Null}}"
-
FontSize="14" TextTrimming="CharacterEllipsis" ToolTip="{Binding Message}"
-
HorizontalAlignment="Center"
-
VerticalAlignment="Center"/>
-
</Grid>
-
</DataTemplate>
-
-
<Style TargetType="local:ObjectPropertyForm">
-
<Setter Property="Background" Value="{DynamicResource S.Brush.TextBackgroud.Default}"/>
-
<Setter Property="BorderThickness" Value="0"/>
-
<!--<Setter Property="BorderBrush" Value="{x:Null}"/>-->
-
<Setter Property="HorizontalAlignment" Value="Stretch"/>
-
<Setter Property="VerticalAlignment" Value="Center"/>
-
<Setter Property="HorizontalContentAlignment" Value="Center"/>
-
<Setter Property="VerticalContentAlignment" Value="Center"/>
-
<!--<Setter Property="FocusVisualStyle" Value="{x:Null}"/>-->
-
<Setter Property="Padding" Value="0" />
-
<Setter Property="Width" Value="500" />
-
<Setter Property="Height" Value="Auto" />
-
<Setter Property="ItemsSource" Value="{Binding PropertyItemSource,Mode=TwoWay}" />
-
<Setter Property="ItemsPanel">
-
<Setter.Value>
-
<ItemsPanelTemplate>
-
<StackPanel/>
-
-
</ItemsPanelTemplate>
-
</Setter.Value>
-
</Setter>
-
<Setter Property="Template">
-
<Setter.Value>
-
<ControlTemplate TargetType="local:ObjectPropertyForm">
-
<GroupBox Header="{TemplateBinding Title}">
-
<Border HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
-
VerticalAlignment="{TemplateBinding VerticalAlignment}"
-
Background="{TemplateBinding Background}"
-
BorderBrush="{TemplateBinding BorderBrush}"
-
BorderThickness="{TemplateBinding BorderThickness}">
-
<ItemsPresenter/>
-
</Border>
-
</GroupBox>
-
</ControlTemplate>
-
</Setter.Value>
-
</Setter>
-
</Style>
4、开放扩展
1、只需定义一个扩展类型，如：
/// <summary> 字符串属性类型 </summary>
public class StringPropertyItem : ObjectPropertyItem<string>
{
public StringPropertyItem(PropertyInfo property, object obj) : base(property, obj)
{
}
}
2、再添加一个DataTmeplate，如：
<DataTemplate DataType="{x:Type base:StringPropertyItem}">
<Grid Width="{Binding RelativeSource={RelativeSource AncestorType=local:ObjectPropertyForm},Path=Width-5}"
Height="35" Margin="5,0">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="2*"/>
<ColumnDefinition Width="30"/>
</Grid.ColumnDefinitions>
<TextBlock Text="{Binding Name}"
FontSize="14"
HorizontalAlignment="Center"
VerticalAlignment="Center"/>
<TextBlock Text="{Binding Flag}"
Grid.Column="1" Margin="5,0"
FontSize="14" Foreground="{DynamicResource S.Brush.Red.Notice}"
HorizontalAlignment="Right"
VerticalAlignment="Center"/>
<local:FTextBox Text="{Binding Value,UpdateSourceTrigger=PropertyChanged}" Style="{DynamicResource DefaultTextBox}"
FontSize="14" Width="Auto" CaretBrush="Black"
Grid.Column="2" Height="30" base:ControlAttachProperty.FIcon=""
VerticalContentAlignment="Center"
HorizontalAlignment="Stretch" VerticalAlignment="Center"/>
<TextBlock Text="" Grid.Column="3" Style="{DynamicResource FIcon }"
Foreground="{DynamicResource S.Brush.Red.Notice}"
Visibility="{Binding Message,Converter={x:Static base:XConverter.VisibilityWithOutStringConverter},ConverterParameter={x:Null},Mode=TwoWay}"
FontSize="14" TextTrimming="CharacterEllipsis" ToolTip="{Binding Message}"
HorizontalAlignment="Center"
VerticalAlignment="Center"/>
</Grid>
</DataTemplate>
下载地址：https://github.com/HeBianGu/WPF-ControlBase.git
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