/// <summary>
///
/// </summary>
/// <param name="col"></param>
/// <returns></returns>
private RenderFragment AutoGenerateTemplate(IEditorItem col) => builder =>
{
var fieldType = col.PropertyType;
if (fieldType != null && Model != null)
{
// GetDisplayName
var displayName = col.GetDisplayName();
var fieldName = col.GetFieldName();
// FieldValue
var valueInvoker = GetPropertyValueLambdaCache.GetOrAdd((typeof(TModel), fieldName), key => Model.GetPropertyValueLambda <TModel, object?>(key.FieldName).Compile());
var fieldValue = valueInvoker.Invoke(Model);
// ValueChanged
var valueChangedInvoker = CreateLambda(fieldType).Compile();
var fieldValueChanged = valueChangedInvoker(Model, fieldName);
// ValueExpression
var body = Expression.Property(Expression.Constant(Model), typeof(TModel), fieldName);
var tDelegate = typeof(Func <>).MakeGenericType(fieldType);
var valueExpression = Expression.Lambda(tDelegate, body);
var index = 0;
var componentType = EditorForm <TModel> .GenerateComponent(fieldType);
builder.OpenComponent(index++, componentType);
builder.AddAttribute(index++, "DisplayText", displayName);
builder.AddAttribute(index++, "Value", fieldValue);
builder.AddAttribute(index++, "ValueChanged", fieldValueChanged);
builder.AddAttribute(index++, "ValueExpression", valueExpression);
builder.AddAttribute(index++, "IsDisabled", col.Readonly);
builder.AddMultipleAttributes(index++, CreateMultipleAttributes(fieldType, fieldName));
builder.CloseComponent();
}
};
private RenderFragment AutoGenerateTemplate(IEditorItem item) => builder =>
{
var fieldType = item.PropertyType;
if (fieldType != null && Model != null)
{
var fieldName = item.GetFieldName();
// GetDisplayName
// 先取 Text 属性值，然后取资源文件中的值
var displayName = item.GetDisplayName() ?? Utility.GetDisplayName(Model, fieldName);
// FieldValue
var valueInvoker = GetPropertyValueLambdaCache.GetOrAdd((typeof(TModel), fieldName), key => LambdaExtensions.GetPropertyValueLambda <TModel, object?>(Model, key.FieldName).Compile());
var fieldValue = valueInvoker.Invoke(Model);
// ValueChanged
var valueChangedInvoker = CreateLambda(fieldType).Compile();
var fieldValueChanged = valueChangedInvoker(Model, fieldName);
// ValueExpression
var body = Expression.Property(Expression.Constant(Model), typeof(TModel), fieldName);
var tDelegate = typeof(Func <>).MakeGenericType(fieldType);
var valueExpression = Expression.Lambda(tDelegate, body);
if (IsDisplay)
{
builder.OpenComponent(0, typeof(Display <>).MakeGenericType(fieldType));
builder.AddAttribute(1, "DisplayText", displayName);
builder.AddAttribute(2, "Value", fieldValue);
builder.AddAttribute(3, "ValueChanged", fieldValueChanged);
builder.AddAttribute(4, "ValueExpression", valueExpression);
builder.AddAttribute(5, "ShowLabel", ShowLabel ?? true);
builder.CloseComponent();
}
else
{
var componentType = item.ComponentType ?? EditorForm <TModel> .GenerateComponent(fieldType, item.Rows != 0);
builder.OpenComponent(0, componentType);
builder.AddAttribute(1, "DisplayText", displayName);
builder.AddAttribute(2, "Value", fieldValue);
builder.AddAttribute(3, "ValueChanged", fieldValueChanged);
builder.AddAttribute(4, "ValueExpression", valueExpression);
builder.AddAttribute(5, "IsDisabled", item.Readonly);
if (IsCheckboxList(fieldType) && item.Data != null)
{
builder.AddAttribute(6, nameof(CheckboxList <IEnumerable <string> > .Items), item.Data);
}
builder.AddMultipleAttributes(7, CreateMultipleAttributes(fieldType, fieldName, item));
builder.CloseComponent();
}
}
};
