/// <summary>
/// 点击选择复选框时触发此方法
/// </summary>
/// <param name="state"></param>
/// <param name="val"></param>
protected virtual async Task OnCheck(CheckboxState state, TItem val)
{
if (state == CheckboxState.Checked)
{
SelectedItems.Add(val);
}
else
{
SelectedItems.Remove(val);
}
if (SelectedRowsChanged.HasDelegate)
{
await SelectedRowsChanged.InvokeAsync(SelectedRows);
}
if (Items != null && HeaderCheckbox != null)
{
var headerCheckboxState = SelectedItems.Count == 0 && Items.Count() > 0
? CheckboxState.UnChecked
: (SelectedItems.Count == Items.Count() ? CheckboxState.Checked : CheckboxState.Mixed);
await HeaderCheckbox.SetState(headerCheckboxState);
}
if (SelectedRowsChanged.HasDelegate)
{
await SelectedRowsChanged.InvokeAsync(SelectedRows);
}
}
/// <summary>
/// 点击选择复选框时触发此方法
/// </summary>
protected Func <CheckboxState, TItem, Task> OnCheck() => async(state, val) =>
{
if (state == CheckboxState.Checked)
{
SelectedItems.Add(val);
}
else
{
SelectedItems.Remove(val);
}
if (SelectedRowsChanged.HasDelegate)
{
await SelectedRowsChanged.InvokeAsync(SelectedRows);
}
if (HeaderCheckbox != null)
{
var headerCheckboxState = SelectedItems.Count == 0 && Items.Any()
? CheckboxState.UnChecked
: (SelectedItems.Count == Items.Count() ? CheckboxState.Checked : CheckboxState.Mixed);
await HeaderCheckbox.SetState(headerCheckboxState);
}
if (SelectedRowsChanged.HasDelegate)
{
await SelectedRowsChanged.InvokeAsync(SelectedRows);
}
// https://gitee.com/LongbowEnterprise/BootstrapBlazor/issues/I1UYQG
StateHasChanged();
};
/// <summary>
/// 点击选择复选框时触发此方法
/// </summary>
/// <param name="state"></param>
/// <param name="val"></param>
protected virtual async Task OnCheck(CheckboxState state, TItem val)
{
if (state == CheckboxState.Checked)
{
SelectedItems.Add(val);
}
else
{
SelectedItems.Remove(val);
}
if (Items != null && HeaderCheckbox != null)
{
var headerCheckboxState = SelectedItems.Count == 0
? CheckboxState.UnChecked
: (SelectedItems.Count == Items.Count() ? CheckboxState.Checked : CheckboxState.Mixed);
await HeaderCheckbox.SetState(headerCheckboxState);
}
}
