public void AddColumn(BTableColumnBase column)
{
if (Table.DataType == null)
{
throw new BlazuiException($"表格 {Table.GetType().Name} 没有设置 DataType 属性");
}
if (column.Property == null && !(column is BTableTemplateColumnBase))
{
throw new BlazuiException($"列 {column.Text} 没有设置 {nameof(BTableColumnBase.Property)} 属性");
}
PropertyInfo property = null;
if (!string.IsNullOrWhiteSpace(column.Property))
{
property = Table.DataType.GetProperty(column.Property);
if (property == null)
{
throw new BlazuiException($"属性 {column.Property} 在 {Table.DataType.Name} 中不存在");
}
}
var columnConfig = new TableHeader
{
Property = property,
Eval = column.Property == null ? null : (Func <object, object>)(row =>
{
var value = property.GetValue(row);
if (string.IsNullOrWhiteSpace(column.Format))
{
return(value);
}
if (value == null)
{
return(null);
}
try
{
return(Convert.ToDateTime(value).ToString(column.Format));
}
catch (InvalidCastException)
{
throw new BlazuiException("仅日期列支持 Format 参数");
}
}),
Text = column.Text,
Width = column.Width,
IsCheckBox = column.IsCheckBox,
Template = column.ChildContent,
Format = column.Format
};
Table.Headers.Add(columnConfig);
}
private void Clear(TableHeader header)
{
header.RawValue = null;
header.EditingValue = null;
if (header.EditorRenderConfig == null)
{
return;
}
header.EditorRenderConfig.RawValue = null;
header.EditorRenderConfig.EditingValue = null;
header.EditorRenderConfig.RawLabel = null;
header.EditorRenderConfig.RawInfoHasSet = false;
}
public void AddColumn(BTableColumn column)
{
if (Table.DataType == null)
{
throw new BlazuiException($"表格 {Table.GetType().Name} 没有设置 {nameof(BTable.DataSource)} 属性或该属性为空");
}
if (column.Property == null && !(column is BTableTemplateColumn))
{
throw new BlazuiException($"列 {column.Text} 没有设置 {nameof(BTableColumn.Property)} 属性");
}
PropertyInfo property = null;
if (!string.IsNullOrWhiteSpace(column.Property))
{
property = Table.DataType.GetProperty(column.Property);
if (property == null)
{
throw new BlazuiException($"属性 {column.Property} 在 {Table.DataType.Name} 中不存在");
}
}
var columnConfig = new TableHeader
{
EvalRaw = row =>
{
object value = property.GetValue(row);
return(value);
},
Property = property,
Text = column.Text,
SortNo = column.SortNo,
Width = column.Width,
IsCheckBox = column.IsCheckBox,
Template = column.ChildContent,
Format = column.Format,
IsTree = column.IsTree,
IsEditable = column.IsEditable
};
if (columnConfig.Property != null)
{
columnConfig.Eval = displayRender.CreateRenderFactory(columnConfig).CreateRender(columnConfig);
}
Table.Headers.Add(columnConfig);
}
private void InitilizeHeaderEditor(PropertyInfo property, EditorGeneratorAttribute editorConfig, TableHeader tableHeader)
{
var controlInfo = map.GetControl(property);
tableHeader.EditorRender = (IControlRender)provider.GetRequiredService(controlInfo.RenderType);
tableHeader.EditorRenderConfig = new RenderConfig()
{
InputControlType = controlInfo.ControlType,
IsRequired = editorConfig.IsRequired,
RequiredMessage = editorConfig.RequiredMessage ?? $"{tableHeader.Text}不能为空",
Placeholder = editorConfig.Placeholder,
Property = property,
DataSourceLoader = controlInfo.DataSourceLoader,
Page = Page
};
}
private void CreateOperationColumn()
{
Headers.RemoveAll(x => x.IsOperation);
var lastIndex = Headers.Count;
var operationHeader = new TableHeader()
{
Text = "操作",
IsOperation = true
};
BButton btnUpdate = null, btnDelete = null;
operationHeader.Template = row =>
{
return((builder) =>
{
builder.OpenComponent <BButtonGroup>(0);
builder.AddAttribute(1, nameof(BButtonGroup.ChildContent), (RenderFragment)(builder =>
{
builder.OpenComponent <BButton>(1);
builder.AddAttribute(2, nameof(BButton.Type), ButtonType.Primary);
builder.AddAttribute(3, nameof(BButton.Size), ButtonSize.Small);
builder.AddAttribute(4, nameof(BButton.ChildContent), (RenderFragment)(builder =>
{
if (row == editingRow)
{
builder.AddMarkupContent(5, "保存");
}
else
{
builder.AddMarkupContent(5, "更新");
}
}));
if (Page == null)
{
throw new BlazuiException(1, "表格启用可编辑功能后必须在外面套一层 CascadingValue，值为 BDialogBase(this)，名称为 Page");
}
builder.AddAttribute(6, nameof(BButton.OnClick), EventCallback.Factory.Create <MouseEventArgs>(Page, async(e) =>
{
if (editingTaskCompletionSource == null)
{
editingTaskCompletionSource = new TaskCompletionSource <int>();
editingRow = row;
btnUpdate.MarkAsRequireRender();
Refresh();
return;
}
btnUpdate.IsLoading = true;
Refresh();
_ = SaveDataAsync(SaveAction.Update);
var result = await editingTaskCompletionSource.Task;
editingTaskCompletionSource = null;
btnUpdate.IsLoading = false;
if (result != 0)
{
Refresh();
editingTaskCompletionSource = new TaskCompletionSource <int>();
return;
}
foreach (var item in Headers)
{
item.EditingValue = (string)(item.EditorRenderConfig == null ? null : item.EditorRenderConfig.EditingValue = null);
}
btnUpdate.MarkAsRequireRender();
Refresh();
}));
builder.AddComponentReferenceCapture(7, btn =>
{
if (row == editingRow || editingRow == null)
{
btnUpdate = (BButton)btn;
}
});
builder.CloseComponent();
builder.OpenComponent <BButton>(8);
builder.AddAttribute(9, nameof(BButton.Type), ButtonType.Danger);
builder.AddAttribute(10, nameof(BButton.Size), ButtonSize.Small);
builder.AddAttribute(11, nameof(BButton.ChildContent), (RenderFragment)(builder =>
{
builder.AddMarkupContent(12, "删除");
}));
builder.AddAttribute(13, nameof(BButton.OnClick), EventCallback.Factory.Create <MouseEventArgs>(Page, async(e) =>
{
var confirmResult = await ConfirmAsync("确认要删除吗？");
if (confirmResult != MessageBoxResult.Ok)
{
return;
}
foreach (var item in Headers)
{
item.RawValue = row;
}
editingTaskCompletionSource = new TaskCompletionSource <int>();
btnDelete.IsLoading = true;
btnDelete.Refresh();
_ = SaveDataAsync(SaveAction.Delete);
var result = await editingTaskCompletionSource.Task;
btnDelete.IsLoading = false;
editingTaskCompletionSource = null;
if (result != 0)
{
btnDelete.Refresh();
editingTaskCompletionSource = new TaskCompletionSource <int>();
return;
}
editingTaskCompletionSource = null;
editingRow = null;
Toast("删除成功");
}));
builder.AddComponentReferenceCapture(14, btn => btnDelete = (BButton)btn);
builder.CloseComponent();
}));
builder.CloseComponent();
});
};
Headers.Insert(lastIndex++, operationHeader);
}
private void InitilizeHeaders()
{
if (AutoGenerateColumns && !headerInitilized)
{
headerInitilized = true;
DataType.GetProperties().Where(p => !IgnoreProperties.Contains(p.Name)).Reverse().ToList().ForEach(property =>
{
if (Headers.Any(x => x.Property?.Name == property.Name))
{
return;
}
var attrs = property.GetCustomAttributes(true);
if (attrs.OfType <TableIgnoreAttribute>().Any())
{
Headers.Add(new TableHeader()
{
Ignore = true,
Property = property
});
return;
}
var columnConfig = attrs.OfType <TableColumnAttribute>().FirstOrDefault() ?? new TableColumnAttribute()
{
Text = property.Name
};
if (columnConfig.Ignore)
{
Headers.Add(new TableHeader()
{
Ignore = true,
Property = property
});
return;
}
var editorConfig = attrs.OfType <EditorGeneratorAttribute>().FirstOrDefault() ?? new EditorGeneratorAttribute()
{
Control = typeof(BInput <string>)
};
var formConfig = attrs.OfType <FormControlAttribute>().FirstOrDefault();
var propertyConfig = attrs.OfType <PropertyAttribute>().FirstOrDefault();
var tableHeader = new TableHeader()
{
EvalRaw = row =>
{
object value = property.GetValue(row);
return(value);
},
SortNo = columnConfig.SortNo,
IsCheckBox = property.PropertyType == typeof(bool) || Nullable.GetUnderlyingType(property.PropertyType) == typeof(bool),
Property = property,
Text = columnConfig.Text,
Width = columnConfig.Width,
IsEditable = columnConfig.IsEditable
};
tableHeader.Eval = displayRender.CreateRenderFactory(tableHeader).CreateRender(tableHeader);
if (IsEditable && columnConfig.IsEditable)
{
InitilizeHeaderEditor(property, editorConfig, tableHeader);
}
Headers.Insert(0, tableHeader);
}
);
if (IsEditable)
{
CreateOperationColumn();
}
chkAll?.MarkAsRequireRender();
ResetSelectAllStatus();
}
else if (!AutoGenerateColumns && !headerInitilized && Headers.Any())
{
headerInitilized = true;
foreach (var header in Headers)
{
if (!CanEdit(header))
{
continue;
}
InitilizeHeaderEditor(header.Property, header.Property.GetCustomAttribute <EditorGeneratorAttribute>() ?? new EditorGeneratorAttribute(), header);
}
CreateOperationColumn();
Refresh();
}
}
private bool CanEdit(TableHeader header)
{
return(header.IsEditable && header.Eval != null);
}