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(Form): optimize default behavior, add demos and update docs
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capdiem committed Aug 8, 2024
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45 changes: 45 additions & 0 deletions docs/Masa.Blazor.Docs/Examples/components/forms/AutoLabel.razor
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@using System.ComponentModel.DataAnnotations
@using System.ComponentModel

<MForm Model="_model"
AutoLabel
Class="mx-auto"
Style="width: 360px">
<MTextField @bind-Value="_model.Name" Filled>
</MTextField>
<MSelect @bind-Value="_model.Item"
Items="@_sports"
Filled
ItemText="u => u"
ItemValue="u => u">
</MSelect>
<MButton Type="submit" Block Color="primary">Submit</MButton>

@* <Masa.Blazor.Components.Form.AutoLabelOptions AttributeType="@typeof(DisplayAttribute)"/> *@
</MForm>

@code {

class Model
{
[Display(Name = "Username")]
[Required]
[MaxLength(10, ErrorMessage = "Name must be less than 10 characters")]
public string Name { get; set; }

[Display(Name = "Favorite sport")]
[Required] public string Item { get; set; }
}

private bool _valid = true;
private Model _model = new();

List<string> _sports = new()
{
"Basketball",
"Football",
"Tennis",
"Swimming"
};

}
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Expand Up @@ -25,17 +25,17 @@

private class Model
{
[DisplayName("enableI18n-demo.name")]
[Display(Name = "enableI18n-demo.name")]
[Required(ErrorMessage = "enableI18n-demo.required")]
[MaxLength(10, ErrorMessage = "enableI18n-demo.maxlength-10")]
public string? Name { get; set; }

[DisplayName("enableI18n-demo.email")]
[Display(Name = "enableI18n-demo.email")]
[Required(ErrorMessage = "enableI18n-demo.required")]
[EmailAddress(ErrorMessage = "enableI18n-demo.invalid-email")]
public string? Email { get; set; }

[DisplayName("enableI18n-demo.item")]
[Display(Name = "enableI18n-demo.item")]
[Required(ErrorMessage = "enableI18n-demo.required")]
public string? Item { get; set; }

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@using System.ComponentModel.DataAnnotations
@using System.ComponentModel

<div style="width: 360px;" class="mx-auto">
<MRadioGroup @bind-Value="@_validateOn" HideDetails="true" Label="Validate On">
<MRadio Value="ValidateOn.Input" Label="On input"></MRadio>
<MRadio Value="ValidateOn.Blur" Label="On blur"></MRadio>
<MRadio Value="ValidateOn.Submit" Label="On submit"></MRadio>
</MRadioGroup>

<MDivider Class="my-2" />

<MForm Model="_model"
ValidateOn="_validateOn"
AutoLabel>
<MTextField @bind-Value="_model.Name" Filled
Hint="Least 5 characters"
PersistentHint>
</MTextField>
<MSelect @bind-Value="_model.Item"
Items="@_sports"
Filled
ItemText="u => u"
ItemValue="u => u">
</MSelect>
<MSlider @bind-Value="_model.Age" ThumbLabel="@("always")"></MSlider>
<MButton Type="submit" Block Color="primary">Submit</MButton>
</MForm>
</div>
@code {

class Model
{
[Display(Name = "Username")]
[Required]
[MinLength(5)]
public string Name { get; set; }

[Display(Name = "Favorite sport")]
[Required] public string Item { get; set; }

[Display(Name = "Age")]
[Range(18, 60)]
public int Age { get; set; }
}

private bool _valid = true;
private Model _model = new();
private ValidateOn _validateOn;

List<string> _sports = new()
{
"Basketball",
"Football",
"Tennis",
"Swimming"
};

}
1 change: 0 additions & 1 deletion docs/Masa.Blazor.Docs/Masa.Blazor.Docs.csproj
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Expand Up @@ -15,7 +15,6 @@
<PackageReference Include="Microsoft.AspNetCore.Components" Version="8.0.0" />
<PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="8.0.0" />
<PackageReference Include="Microsoft.AspNetCore.Components.CustomElements" Version="8.0.0" />
<PackageReference Include="Microsoft.AspNetCore.Components.DataAnnotations.Validation" Version="3.2.0-rc1.20223.4" />
<PackageReference Include="Microsoft.Extensions.Http" Version="8.0.0" />
</ItemGroup>

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33 changes: 18 additions & 15 deletions docs/Masa.Blazor.Docs/wwwroot/pages/components/forms/en-US.md
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Expand Up @@ -23,6 +23,19 @@ Rules allow you to apply custom validation on all form components. These are ver

<masa-example file="Examples.components.forms.Rules"></masa-example>

#### Auto label {released-on=v1.7.0}

When `AutoLabel` is `true`, **MForm** will automatically get the value of the `[Display]` or `[DisplayName]` attribute of the form field as the label.
By default, it resolves the `[Display]` attribute, and you can also configure the `AttributeType` to resolve the `[DisplayName]` attribute by setting the `Masa.Blazor.Components.Form.AutoLabelOptions` subcomponent.

<masa-example file="Examples.components.forms.AutoLabel"></masa-example>

#### Validate on {released-on=v1.7.0}

The `ValidateOn` prop is used to specify when to validate the form, with optional values of `Input`, `Blur` and `Submit`.

<masa-example file="Examples.components.forms.ValidateOnDemo"></masa-example>

### Misc

#### Model validation
Expand All @@ -37,39 +50,29 @@ Validate a single field using the `Validate` method of the **MForm** instance.

<masa-example file="Examples.components.forms.ValidateField"></masa-example>

#### Validation with submit and clear {updated-in=v1.6.0}
#### Submit and clear {#submit-and-clear updated-in=v1.6.0}

You can use the methods provided by `Context` in the content of **MForm**, or use the component instance provided by `@ref` outside of **MForm**.

<masa-example file="Examples.components.forms.ValidationWithSubmitAndClear"></masa-example>

#### Enable I18n {updated-in=v1.6.0}
#### DataAnnotations with I18n {#enable-i18n updated-in=v1.6.0}

Enable [I18n](/blazor/features/internationalization) to support multilingual validation messages. Locale resources used in the example can be found in [GitHub](https://github.com/masastack/MASA.Blazor/blob/0f4a450479bceb816d58bbbb7b8f8ca7655e2f94/docs/Masa.Docs.Shared/wwwroot/locale/en-US.json#L128).

<app-alert type="warning" content="Cannot be applied to [complex types](#validate-complex-type-with-dataannotations), and only support localization for property names with an index of `0`, such as error messages for `[Range]` may not be localized correctly. Therefore, it is recommended to use FluentValidation or use additional *Resources.resx* for localization."></app-alert>
<app-alert type="warning" content="Only support localization for property names with an index of `0`, such as error messages for `[Range]` may not be localized correctly."></app-alert>

<masa-example file="Examples.components.forms.EnableI18n"></masa-example>

#### Validate complex type with DataAnnotations

Use `[ValidateComplexType]` attribute and `<ObjectGraphDataAnnotationsValidator />` to validate complex types.

```xml Project.csproj
<PackageReference Include="Microsoft.AspNetCore.Components.DataAnnotations.Validation" Version="3.2.0-rc1.20223.4" />
```

<masa-example file="Examples.components.forms.ValidateComplexType"></masa-example>

#### Validate with FluentValidation
#### Validate with FluentValidation {#fluent-validation}

<app-alert type="warning" content="Validators need to be registered, see [FluentValidation Dependency Injection](https://docs.fluentvalidation.net/en/latest/di.html) for details."></app-alert>

**MForm** supports FluentValidation validation.

<masa-example file="Examples.components.forms.ValidateWithFluentValidation"></masa-example>

#### Parse external validation result
#### Parse external validation result {#parse-form-validation}

**MForm** supports parsing of `ValidationResult` , which users can use as `FormContext.ParseFormValidation' parameter that displays the validation results in a front-end form, using the validation collection as an example.

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49 changes: 26 additions & 23 deletions docs/Masa.Blazor.Docs/wwwroot/pages/components/forms/zh-CN.md
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Expand Up @@ -7,69 +7,72 @@ related:
- /blazor/components/text-fields
---

## 使用
## 使用 {#usage}

内部的 **MForm** 组件可以很容易地向表单输入添加验证。所有输入组件都有一个 `Rules` 参数,该参数接受类型为 `Func<string?, StringBoolean>` 的列表。这允许您指定输入有效或无效的条件。每当输入值改变时,数组中的每个函数都会收到一个新值,并且每个数组元素都会被评分。如果函数或数组元素返回 `false``string`,表示验证失败,则将字符串值显示为错误消息。

<masa-example file="Examples.components.forms.Usage"></masa-example>

## 示例
## 示例 {#examples}

### 属性
### 属性 {#props}

#### 规则
#### 规则 {#rules}

规则允许您对所有表单组件应用自定义验证。这些是按顺序验证的,一次最多显示 1 个错误,因此请确保相应地对规则进行排序。

<masa-example file="Examples.components.forms.Rules"></masa-example>

### 其他
#### 自动标签 {#auto-label released-on=v1.7.0}

#### 模型验证
`AutoLabel``true` 时,**MForm** 会自动获取表单对象字段的 `[Display]``[DisplayName]` 特性的值作为 Label。
默认解析 `[Display]` attribute,也可以通过 `Masa.Blazor.Components.Form.AutoLabelOptions` 子组件配置 `AttributeType``typeof(DisplayNameAttribute)` 解析 `[DisplayName]` attribute。

<masa-example file="Examples.components.forms.AutoLabel"></masa-example>

#### 验证时机 {#validate-on released-on=v1.7.0}

`ValidateOn` 属性用于指定何时验证表单,可选值为 `Input``Blur``Submit`

<masa-example file="Examples.components.forms.ValidateOnDemo"></masa-example>

### 其他 {#misc}

#### 模型验证 {#model-validation}

除了在每个输入组件上通过 `Rules` 属性进行验证之外,还可以对单个对象模型进行验证。

<masa-example file="Examples.components.forms.Validation"></masa-example>

#### 验证单个字段 {released-on=v1.6.0}
#### 验证单个字段 {#validate-single-field released-on=v1.6.0}

使用**MForm**实例的`Validate`方法验证单个字段。
使用 **MForm** 实例的 `Validate` 方法验证单个字段。

<masa-example file="Examples.components.forms.ValidateField"></masa-example>

#### 通过提交和清除进行验证 {updated-in=v1.6.0}
#### 通过提交和清除进行验证 {#submit-and-clear updated-in=v1.6.0}

**MForm** 的内容里可以使用 `Context` 提供的方法,在 **MForm** 外部可以使用 `@ref` 拿到组件实例提供的方法。

<masa-example file="Examples.components.forms.ValidationWithSubmitAndClear"></masa-example>

#### 启用 I18n {updated-in=v1.6.0}
#### DataAnnotations 本地化 {#enable-i18n updated-in=v1.7.0}

通过 `EnableI18n` 属性启用 [I18n](/blazor/features/internationalization) 以支持验证信息多语言。示例使用的本地话资源你能在 [GitHub](https://github.com/masastack/MASA.Blazor/blob/0f4a450479bceb816d58bbbb7b8f8ca7655e2f94/docs/Masa.Docs.Shared/wwwroot/locale/zh-CN.json#L129) 中找到。

<app-alert type="warning" content="无法作用于[复杂类型](#section-901a8fc7-dataannotations-9a8c8bc1590d67427c7b578b),并且只支持索引为`0`的属性名的本地化,例如`[Range]`的错误信息可能不会被正确本地化。因此推荐使用FluentValidation或者使用额外的*Resources.resx*应用本地化"></app-alert>
<app-alert type="warning" content="只支持索引为`0`的属性名的本地化,例如`[Range]`的错误信息无法解析`Min`和`Max`"></app-alert>

<masa-example file="Examples.components.forms.EnableI18n"></masa-example>

#### 通过 DataAnnotations 验证复杂类型

使用 `[ValidateComplexType]` 属性和 `<ObjectGraphDataAnnotationsValidator />`,可以验证复杂类型。

```xml Project.csproj
<PackageReference Include="Microsoft.AspNetCore.Components.DataAnnotations.Validation" Version="3.2.0-rc1.20223.4" />
```

<masa-example file="Examples.components.forms.ValidateComplexType"></masa-example>

#### 使用 FluentValidation 验证
#### 使用 FluentValidation 验证 {#fluent-validation}

**MForm** 支持 **FluentValidation** 验证。

<app-alert type="warning" content="验证器需要注册,详情请查看 [FluentValidation Dependency Injection](https://docs.fluentvalidation.net/en/latest/di.html)。"></app-alert>

<masa-example file="Examples.components.forms.ValidateWithFluentValidation"></masa-example>

#### 解析外部验证结果
#### 解析外部验证结果 {#parse-form-validation}

**MForm** 支持解析 `ValidationResult`,用户可以将服务端表单验证返回的 `ValidationResult` 作为 `FormContext.ParseFormValidation` 的参数,将验证结果在前端表单展示,以验证集合为示例。

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