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d11dad8a45
* feat(module: form): make the form validator customizable * docs: simplify form custom validators demo * modify the demo Co-authored-by: ElderJames <shunjiey@hotmail.com>
186 lines
4.7 KiB
C#
186 lines
4.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using AntDesign.Forms;
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using AntDesign.Internal;
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using Microsoft.AspNetCore.Components;
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using Microsoft.AspNetCore.Components.Forms;
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using OneOf;
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namespace AntDesign
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{
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public partial class Form<TModel> : AntDomComponentBase, IForm
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{
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private readonly string _prefixCls = "ant-form";
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[Parameter]
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public string Layout { get; set; } = FormLayout.Horizontal;
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[Parameter]
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public RenderFragment<TModel> ChildContent { get; set; }
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[Parameter]
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public ColLayoutParam LabelCol { get; set; } = new ColLayoutParam();
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[Parameter]
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public OneOf<string, int> LabelColSpan
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{
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get { return LabelCol.Span; }
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set { LabelCol.Span = value; }
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}
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[Parameter]
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public OneOf<string, int> LabelColOffset
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{
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get { return LabelCol.Offset; }
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set { LabelCol.Offset = value; }
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}
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[Parameter]
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public ColLayoutParam WrapperCol { get; set; } = new ColLayoutParam();
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[Parameter]
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public OneOf<string, int> WrapperColSpan
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{
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get { return WrapperCol.Span; }
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set { WrapperCol.Span = value; }
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}
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[Parameter]
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public OneOf<string, int> WrapperColOffset
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{
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get { return WrapperCol.Offset; }
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set { WrapperCol.Offset = value; }
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}
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[Parameter]
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public string Size { get; set; }
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[Parameter]
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public string Name { get; set; }
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[Parameter]
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public TModel Model { get; set; }
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[Parameter]
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public bool Loading { get; set; }
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[Parameter]
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public EventCallback<EditContext> OnFinish { get; set; }
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[Parameter]
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public EventCallback<EditContext> OnFinishFailed { get; set; }
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[Parameter]
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public RenderFragment Validator { get; set; } = _defaultValidator;
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private static readonly RenderFragment _defaultValidator = builder =>
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{
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builder.OpenComponent<ObjectGraphDataAnnotationsValidator>(0);
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builder.CloseComponent();
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};
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[CascadingParameter(Name = "FormProvider")]
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private IFormProvider FormProvider { get; set; }
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public bool IsModified => _editContext.IsModified();
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private EditContext _editContext;
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private IList<IFormItem> _formItems = new List<IFormItem>();
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private IList<IControlValueAccessor> _controls = new List<IControlValueAccessor>();
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ColLayoutParam IForm.WrapperCol => WrapperCol;
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ColLayoutParam IForm.LabelCol => LabelCol;
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EditContext IForm.EditContext => _editContext;
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string IForm.Size => Size;
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string IForm.Name => Name;
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object IForm.Model => Model;
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bool IForm.IsModified => throw new NotImplementedException();
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public event Action<IForm> OnFinishEvent;
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protected override void OnInitialized()
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{
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base.OnInitialized();
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_editContext = new EditContext(Model);
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if (FormProvider != null)
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{
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FormProvider.AddForm(this);
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}
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}
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protected override void OnParametersSet()
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{
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base.OnParametersSet();
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SetClass();
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}
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protected void SetClass()
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{
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this.ClassMapper.Clear()
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.Add(_prefixCls)
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.Add($"{_prefixCls}-{Layout.ToLower()}")
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;
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}
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private async Task OnValidSubmit(EditContext editContext)
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{
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await OnFinish.InvokeAsync(editContext);
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OnFinishEvent?.Invoke(this);
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}
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private async Task OnInvalidSubmit(EditContext editContext)
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{
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await OnFinishFailed.InvokeAsync(editContext);
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}
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public void Reset()
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{
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_controls.ForEach(item => item.Reset());
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}
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void IForm.AddFormItem(IFormItem formItem)
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{
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_formItems.Add(formItem);
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}
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void IForm.AddControl(IControlValueAccessor valueAccessor)
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{
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this._controls.Add(valueAccessor);
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}
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public void Submit()
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{
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var isValid = _editContext.Validate();
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if (isValid)
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{
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if (OnFinish.HasDelegate)
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{
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OnFinish.InvokeAsync(_editContext);
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}
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OnFinishEvent?.Invoke(this);
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}
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else
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{
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OnFinishFailed.InvokeAsync(_editContext);
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}
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}
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public bool Validate()
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{
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return _editContext.Validate();
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}
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}
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}
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