Mineplex2018-withcommit/Website/packages/MvcScaffolding.1.0.7/tools/RazorView/_CreateOrEdit.vb.t4

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2013-08-27 17:14:08 +02:00
<#@ Template Language="VB" HostSpecific="True" Inherits="DynamicTransform" #>
<#@ Output extension="vbhtml" #>
<#@ assembly name="System.ComponentModel.DataAnnotations" #>
<#@ assembly name="System.Core" #>
<#@ assembly name="System.Data.Entity" #>
<#@ assembly name="System.Data.Linq" #>
<#@ import namespace="System" #>
<#@ import namespace="System.Collections" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ import namespace="System.ComponentModel.DataAnnotations" #>
<#@ import namespace="System.Data.Linq.Mapping" #>
<#@ import namespace="System.Data.Objects.DataClasses" #>
<#@ import namespace="System.Linq" #>
<#@ import namespace="System.Reflection" #>
<#@ import namespace="EnvDTE" #>
<# Dim viewDataType = CType(Model.ViewDataType, CodeType) #>
<# If viewDataType IsNot Nothing #>
@ModelType <#= viewDataType.FullName #>
<# End If #>
@* This partial view defines form fields that will appear when creating and editing entities *@
<#
For Each modelProp As ModelProperty In GetModelProperties(Model.ViewDataType, False)
If (Not modelProp.IsPrimaryKey) AndAlso (Not modelProp.IsForeignKey) AndAlso (Not modelProp.IsReadOnly) Then
#>
<div class="editor-label">
@Html.LabelFor(Function(model) model.<#= modelProp.Name #>)
</div>
<div class="editor-field">
@Html.EditorFor(Function(model) model.<#= modelProp.Name #>)
@Html.ValidationMessageFor(Function(model) model.<#= modelProp.Name #>)
</div>
<#
End If
Next
#>
<# For Each relation As RelatedEntityInfo In ParentRelations #>
<div class="editor-label">
<#= relation.RelationName #>
</div>
<div class="editor-field">
@Html.DropDownListFor(Function(model) model.<#= relation.RelationProperty.Name #>, CType(ViewBag.Possible<#= relation.RelationNamePlural #>, IEnumerable(Of <#= relation.RelatedEntityType.FullName #>)).Select(Function(optionValue) New SelectListItem() With { _
.Text = <#= GetValueExpression("optionValue", relation.RelatedEntityType) #>, _
.Value = optionValue.<#= relation.RelatedEntityPrimaryKeyName #>.ToString(), _
.Selected = (Model IsNot Nothing) AndAlso (optionValue.<#= relation.RelatedEntityPrimaryKeyName #>.Equals(Model.<#= relation.RelationProperty.Name #>)) _
}), "Choose...")
@Html.ValidationMessageFor(Function(model) model.<#= relation.RelationProperty.Name #>)
</div>
<# Next #><#+
' Describes the information about a property on the model
Private Class ModelProperty
Public Name As String
Public ValueExpression As String
Public Type As CodeTypeRef
Public IsReadOnly As Boolean
Public IsPrimaryKey As Boolean
Public IsForeignKey As Boolean
End Class
' Change this list to include any non-primitive types you think should be eligible to be edited using a textbox
Private Shared bindableNonPrimitiveTypes As Type() = New Type() {
GetType(String),
GetType(Decimal),
GetType(Guid),
GetType(DateTime),
GetType(DateTimeOffset),
GetType(TimeSpan)
}
' Call this to get the list of properties in the model. Change this to modify or add your
' own default formatting for display values.
Private Function GetModelProperties(ByVal type As CodeType, ByVal includeUnbindableProperties As Boolean) As List(Of ModelProperty)
Dim results As List(Of ModelProperty) = GetEligibleProperties(type, includeUnbindableProperties)
For Each modelProp As ModelProperty In results
If ((modelProp.Type.UnderlyingTypeIs(GetType(Double))) OrElse (modelProp.Type.UnderlyingTypeIs(GetType(Decimal)))) Then
modelProp.ValueExpression = ("String.Format(""{0:F}"", " & modelProp.ValueExpression & ")")
ElseIf (modelProp.Type.UnderlyingTypeIs(GetType(DateTime))) Then
modelProp.ValueExpression = ("String.Format(""{0:g}"", " & modelProp.ValueExpression & ")")
ElseIf (Not IsBindableType(modelProp.Type))
modelProp.ValueExpression = GetValueExpression("Model." & modelProp.Name, CType(modelProp.Type.CodeType, CodeType))
End If
Next
Return results
End Function
' Change this list to include the names of properties that should be selected to represent an entity as a single string
Private Shared displayPropertyNames As String() = New String() { "Name", "Title", "LastName", "Surname", "Subject", "Count" }
Private Function GetValueExpression(ByVal propertyExpression As String, ByVal propertyType As CodeType) As String
If propertyType IsNot Nothing Then
Dim chosenSubproperty = If(propertyType.DisplayColumnProperty(), propertyType.FindProperty(displayPropertyNames))
If chosenSubproperty IsNot Nothing Then
Dim toStringSuffix = If(chosenSubproperty.Type.AsFullName = "System.String", "", ".ToString()")
Return String.Format("(If({0} Is Nothing, ""None"", {0}.{1}{2}))", propertyExpression, chosenSubproperty.Name, toStringSuffix)
End If
End If
Return "Html.DisplayTextFor(Function(model) " & propertyExpression & ").ToString()"
End Function
' Helper
Private Function GetEligibleProperties(ByVal type As CodeType, ByVal includeUnbindableProperties As Boolean) As List(Of ModelProperty)
Dim results As New List(Of ModelProperty)
If type IsNot Nothing Then
For Each prop As CodeProperty In type.VisibleMembers().OfType(Of CodeProperty)()
Dim propValue = prop
If (prop.IsReadable() AndAlso (Not prop.HasIndexParameters()) AndAlso (includeUnbindableProperties OrElse IsBindableType(prop.Type))) Then
results.Add(New ModelProperty() With { _
.Name = prop.Name, _
.ValueExpression = ("Model." & prop.Name), _
.Type = prop.Type, _
.IsPrimaryKey = Model.PrimaryKeyName = prop.Name, _
.IsReadOnly = Not prop.IsWriteable(), _
.IsForeignKey = ParentRelations.Any(Function(x) propValue.Name = x.RelationProperty.Name) _
})
End If
Next
End If
Return results
End Function
Private ReadOnly Property ParentRelations As IEnumerable(Of RelatedEntityInfo)
Get
Return CType(Model.RelatedEntities, IEnumerable).OfType(Of RelatedEntityInfo)().Where(Function(x) x.RelationType = RelationType.Parent)
End Get
End Property
' Helper
Private Function IsBindableType(ByVal type As CodeTypeRef) As Boolean
Return type.UnderlyingIsPrimitive() OrElse bindableNonPrimitiveTypes.Any(Function(x) type.UnderlyingTypeIs(x))
End Function
#>