/// <summary>
/// 失去焦点时触发此方法
/// </summary>
protected virtual void OnBlur()
{
if (FieldIdentifier != null)
{
EditContext?.NotifyFieldChanged(FieldIdentifier.Value);
}
}
async Task Toggle()
{
if (Disabled)
{
return;
}
if (object.Equals(Value, false))
{
if (TriState)
{
Value = default;
}
else
{
Value = (TValue)(object)true;
}
}
else if (Value == null)
{
Value = (TValue)(object)true;
}
else if (object.Equals(Value, true))
{
Value = (TValue)(object)false;
}
await ValueChanged.InvokeAsync(Value);
if (FieldIdentifier.FieldName != null)
{
EditContext?.NotifyFieldChanged(FieldIdentifier);
}
await Change.InvokeAsync(Value);
}
async System.Threading.Tasks.Task Clear()
{
if (Disabled)
{
return;
}
searchText = null;
internalValue = default(TValue);
selectedItem = null;
selectedItems.Clear();
await ValueChanged.InvokeAsync((TValue)internalValue);
if (FieldIdentifier.FieldName != null)
{
EditContext?.NotifyFieldChanged(FieldIdentifier);
}
await Change.InvokeAsync(internalValue);
await grid.Reload();
StateHasChanged();
}
private static void NotifyPropertyChanged(
EditContext editContext,
object instance,
string propertyName)
{
if (GetFieldStateMethod == null)
{
GetFieldStateMethod = editContext.GetType().GetMethod(
"GetFieldState",
BindingFlags.NonPublic | BindingFlags.Instance);
}
var fieldIdentifier = new FieldIdentifier(instance, propertyName);
object fieldState = GetFieldStateMethod.Invoke(editContext, new object[] { fieldIdentifier });
if (IsModifiedProperty == null && fieldState != null)
{
IsModifiedProperty = fieldState.GetType().GetProperty(
"IsModified",
BindingFlags.Public | BindingFlags.Instance);
object originalIsModified = IsModifiedProperty?.GetValue(fieldState);
editContext.NotifyFieldChanged(fieldIdentifier);
IsModifiedProperty?.SetValue(fieldState, originalIsModified);
}
}
public void Copy(object savedFormModel, object currentFormModel)
{
var savedFormModelProperties = savedFormModel.GetType().GetProperties();
var currentFormModelProperties = currentFormModel.GetType().GetProperties();
foreach (var savedFormModelProperty in savedFormModelProperties)
{
foreach (var currentFormModelProperty in currentFormModelProperties)
{
if (savedFormModelProperty.Name == currentFormModelProperty.Name && savedFormModelProperty.PropertyType == currentFormModelProperty.PropertyType)
{
var childValue = currentFormModelProperty.GetValue(currentFormModel);
var parentValue = savedFormModelProperty.GetValue(savedFormModel);
if (childValue == null && parentValue == null)
{
continue;
}
currentFormModelProperty.SetValue(currentFormModel, parentValue);
var fieldIdentifier = new FieldIdentifier(currentFormModel, currentFormModelProperty.Name);
_fixedEditContext.NotifyFieldChanged(fieldIdentifier);
break;
}
}
}
}
internal void NotifyInputChanged(object newExpressionValue = null, bool overrideNewValue = false)
{
var newValidationValue = overrideNewValue
? newExpressionValue
: inputComponent.ValidationValue;
var valueChanged = newValidationValue is Array newArrayValue
? !Comparers.AreArraysEqual(lastValidationValue as Array, newArrayValue)
: lastValidationValue != newValidationValue;
if (valueChanged)
{
lastValidationValue = newValidationValue;
if (EditContext != null && hasFieldIdentifier)
{
EditContext.NotifyFieldChanged(fieldIdentifier);
}
if (Mode == ValidationMode.Auto)
{
Validate(newValidationValue);
}
}
}
protected async Task HandleToChangedAsync(ChangeEventArgs changeEventArgs)
{
bool parsingFailed;
validationMessageStore.Clear(toFieldIdentifier);
if (HxInputDate <DateTime> .TryParseDateTimeOffsetFromString((string)changeEventArgs.Value, null, out var toDate))
{
parsingFailed = false;
CurrentValue = Value with {
EndDate = toDate?.DateTime
};
EditContext.NotifyFieldChanged(toFieldIdentifier);
await CloseDropDownAsync(toInputElement);
}
else
{
parsingFailed = true;
validationMessageStore.Add(toFieldIdentifier, ToParsingErrorMessageEffective);
}
// We can skip the validation notification if we were previously valid and still are
if (parsingFailed || toPreviousParsingAttemptFailed)
{
EditContext.NotifyValidationStateChanged();
toPreviousParsingAttemptFailed = parsingFailed;
}
}
async System.Threading.Tasks.Task UpdateValueWithStep(bool stepUp)
{
if (Disabled || ReadOnly)
{
return;
}
var step = string.IsNullOrEmpty(Step) || Step == "any" ? 1 : double.Parse(Step.Replace(",", "."), System.Globalization.CultureInfo.InvariantCulture);
var valueToUpdate = Value != null?Convert.ChangeType(Value, typeof(decimal)) : (decimal)Convert.ChangeType(default(decimal), typeof(decimal));
var newValue = ((decimal)Convert.ChangeType(valueToUpdate, typeof(decimal))) + (decimal)Convert.ChangeType(stepUp ? step : -step, typeof(decimal));
if (Max.HasValue && newValue > Max.Value || Min.HasValue && newValue < Min.Value || object.Equals(Value, newValue))
{
return;
}
Value = (TValue)ConvertType.ChangeType(newValue, typeof(TValue));
await ValueChanged.InvokeAsync(Value);
if (FieldIdentifier.FieldName != null)
{
EditContext?.NotifyFieldChanged(FieldIdentifier);
}
await Change.InvokeAsync(Value);
StateHasChanged();
}
async Task OnChange()
{
string uploadValue;
try
{
uploadValue = await JSRuntime.InvokeAsync <string>("Radzen.readFileAsBase64", fileUpload, MaxFileSize);
if (typeof(TValue) == typeof(byte[]))
{
Value = (TValue)(object)System.Text.Encoding.Default.GetBytes($"{uploadValue}");
}
else if (typeof(TValue) == typeof(string))
{
Value = (TValue)(object)uploadValue;
}
await ValueChanged.InvokeAsync(Value);
if (FieldIdentifier.FieldName != null)
{
EditContext?.NotifyFieldChanged(FieldIdentifier);
}
await Change.InvokeAsync(Value);
StateHasChanged();
}
catch (Exception ex)
{
await Error.InvokeAsync(new UploadErrorEventArgs()
{
Message = $"Unable to read file as base64 string. {ex.Message}"
});
}
}
protected virtual Task OnInputChanged(ChangeEventArgs e)
{
CurrentValue = e.Value as string;
SetValue(CurrentValue);
EditContext.NotifyFieldChanged(FieldIdentifier);
return(Filter());
}
protected async System.Threading.Tasks.Task ClearAll()
{
if (Disabled)
{
return;
}
searchText = null;
await JSRuntime.InvokeAsync <string>("Radzen.setInputValue", search, "");
Value = default(T);
selectedItem = null;
selectedItems.Clear();
selectedIndex = -1;
await ValueChanged.InvokeAsync((T)Value);
if (FieldIdentifier.FieldName != null)
{
EditContext?.NotifyFieldChanged(FieldIdentifier);
}
await Change.InvokeAsync(Value);
await OnFilter(new ChangeEventArgs());
StateHasChanged();
}
protected void OnInput(ChangeEventArgs args, int index = 0)
{
if (args == null)
{
return;
}
var array = Value as Array;
if (!_duringManualInput)
{
_duringManualInput = true;
_cacheDuringInput = array.GetValue(index) as DateTime?;
_pickerValueCache = PickerValues[index];
}
if (FormatAnalyzer.TryPickerStringConvert(args.Value.ToString(), out DateTime changeValue, false))
{
array.SetValue(changeValue, index);
ChangePickerValue(changeValue, index);
if (_isNotifyFieldChanged && (Form?.ValidateOnChange == true))
{
EditContext?.NotifyFieldChanged(FieldIdentifier);
}
StateHasChanged();
}
}
protected void OnChangeEvent(string?e)
{
CurrentValueAsString = e;
if (ValidateOnInput && EditContext != null)
{
EditContext.NotifyFieldChanged(FieldIdentifier);
}
}
private void EditContext_OnFieldChanged(object sender, FieldChangedEventArgs e)
{
Console.WriteLine($"EditContext_OnFieldChanged - {e.FieldIdentifier.FieldName}");
if (e.FieldIdentifier.FieldName == nameof(Model.Date))
{
EditContext.NotifyFieldChanged(EditContext.Field(nameof(Model.Summary)));
}
}
private async Task OnGatewaySelected(Gateway?gateway)
{
Value = gateway;
await ValueChanged.InvokeAsync(gateway);
EditContext.NotifyFieldChanged(FieldIdentifier);
StateHasChanged();
}
/// <summary>
/// Triggers field to be validated.
/// </summary>
internal void EditFormValidate()
{
if (_fieldIdentifier.FieldName == null)
{
return;
}
EditContext?.NotifyFieldChanged(_fieldIdentifier);
}
private void OnBlur()
{
EditContext.NotifyFieldChanged(FieldIdentifier);
IsValid = !HasValidationMessages;
OnAfterValidate();
StateHasChanged();
}
/// <summary>
///
/// </summary>
/// <param name="editContext"></param>
/// <param name="field">The field name that was changed in the process, typically specified using "nameof(YourObject.YourProperty").</param>
public static void NotifyFieldChanged(this EditContext editContext, string field)
{
if (editContext == null || string.IsNullOrWhiteSpace(field))
{
return;
}
editContext.NotifyFieldChanged(editContext.Field(field));
}
public void IgnoresFieldChangesThatDoNotCorrespondToAValidatableProperty(string fieldName)
{
// Arrange
var editContext = new EditContext(new TestModel());
editContext.EnableDataAnnotationsValidation();
var onValidationStateChangedCount = 0;
editContext.OnValidationStateChanged += (sender, eventArgs) => onValidationStateChangedCount++;
// Act/Assert: Ignores field changes that don't correspond to a validatable property
editContext.NotifyFieldChanged(editContext.Field(fieldName));
Assert.Equal(0, onValidationStateChangedCount);
// Act/Assert: For sanity, observe that we would have validated if it was a validatable property
editContext.NotifyFieldChanged(editContext.Field(nameof(TestModel.RequiredString)));
Assert.Equal(1, onValidationStateChangedCount);
}
protected void HandleDateRangeClick(DateTimeRange value)
{
CurrentValue = value;
EditContext.NotifyFieldChanged(fromFieldIdentifier);
EditContext.NotifyFieldChanged(toFieldIdentifier);
ClearPreviousParsingMessage(ref fromPreviousParsingAttemptFailed, fromFieldIdentifier);
ClearPreviousParsingMessage(ref toPreviousParsingAttemptFailed, toFieldIdentifier);
}
public void TracksFieldsAsModifiedWhenValueChanged()
{
// Arrange
var editContext = new EditContext(new object());
var fieldOnThisModel1 = editContext.Field("field1");
var fieldOnThisModel2 = editContext.Field("field2");
var fieldOnOtherModel = new FieldIdentifier(new object(), "field on other model");
// Act
editContext.NotifyFieldChanged(fieldOnThisModel1);
editContext.NotifyFieldChanged(fieldOnOtherModel);
// Assert
Assert.True(editContext.IsModified());
Assert.True(editContext.IsModified(fieldOnThisModel1));
Assert.False(editContext.IsModified(fieldOnThisModel2));
Assert.True(editContext.IsModified(fieldOnOtherModel));
}
public void CanClearAllModifications()
{
// Arrange
var editContext = new EditContext(new object());
var field1 = editContext.Field("field1");
var field2 = editContext.Field("field2");
editContext.NotifyFieldChanged(field1);
editContext.NotifyFieldChanged(field2);
// Act
editContext.MarkAsUnmodified();
// Assert
Assert.False(editContext.IsModified());
Assert.False(editContext.IsModified(field1));
Assert.False(editContext.IsModified(field2));
}
private async Task HandleToCalendarValueChanged(DateTime?date)
{
CurrentValue = Value with {
EndDate = date
};
EditContext.NotifyFieldChanged(toFieldIdentifier);
ClearPreviousParsingMessage(ref toPreviousParsingAttemptFailed, toFieldIdentifier);
await CloseDropDownAsync(toInputElement);
}
private async Task HandleFromClearClickAsync()
{
CurrentValue = Value with {
StartDate = null
};
EditContext.NotifyFieldChanged(fromFieldIdentifier);
ClearPreviousParsingMessage(ref fromPreviousParsingAttemptFailed, fromFieldIdentifier);
await CloseDropDownAsync(fromInputElement);
}
private void OnBlur()
{
CurrentValueAsString = _editingValue;
EditContext.NotifyFieldChanged(FieldIdentifier);
IsValid = !HasValidationMessages;
OnAfterValidate();
StateHasChanged();
}
protected async Task HandleInput(ChangeEventArgs args)
{
var value = args.Value.ToString();
value = ApplyMask(value);
await ValueChanged.InvokeAsync(value);
EditContext?.NotifyFieldChanged(_fieldIdentifier);
}
/// <summary>
/// Parses the date.
/// </summary>
protected async Task ParseDate()
{
DateTime?newValue;
DateTime value;
var inputValue = await JSRuntime.InvokeAsync <string>("Radzen.getInputValue", input);
var valid = DateTime.TryParseExact(inputValue, DateFormat, null, DateTimeStyles.None, out value);
var nullable = Nullable.GetUnderlyingType(typeof(TValue)) != null;
if (!valid)
{
valid = DateTime.TryParse(inputValue, out value);
}
if (valid && !DateAttributes(value).Disabled)
{
newValue = value;
}
else
{
newValue = null;
if (nullable)
{
await JSRuntime.InvokeAsync <string>("Radzen.setInputValue", input, "");
}
else
{
await JSRuntime.InvokeAsync <string>("Radzen.setInputValue", input, FormattedValue);
}
}
if (DateTimeValue != newValue && (newValue != null || nullable))
{
DateTimeValue = newValue;
if ((typeof(TValue) == typeof(DateTimeOffset) || typeof(TValue) == typeof(DateTimeOffset?)) && Value != null)
{
DateTimeOffset?offset = DateTime.SpecifyKind((DateTime)Value, DateTimeKind.Utc);
await ValueChanged.InvokeAsync((TValue)(object)offset);
}
else
{
await ValueChanged.InvokeAsync((TValue)Value);
}
if (FieldIdentifier.FieldName != null)
{
EditContext?.NotifyFieldChanged(FieldIdentifier);
}
await Change.InvokeAsync(DateTimeValue);
StateHasChanged();
}
}
private async Task HandleFromCalendarValueChangedAsync(DateTime?date)
{
CurrentValue = Value with {
StartDate = date
};
EditContext.NotifyFieldChanged(fromFieldIdentifier);
ClearPreviousParsingMessage(ref fromPreviousParsingAttemptFailed, fromFieldIdentifier);
await CloseDropDownAsync(fromInputElement);
await OpenDropDownAsync(toInputElement);
}
protected void OnBlurEvent(FocusEventArgs?e)
{
if (ValidateOnBlur && EditContext != null)
{
EditContext.NotifyFieldChanged(FieldIdentifier);
}
if (OnBlur.HasDelegate)
{
OnBlur.InvokeAsync(e);
}
}
public async Task Increment()
{
CurrentValue++;
await ValueChanged.InvokeAsync(Value);
EditContext.NotifyFieldChanged(FieldIdentifier.Create(ValueExpression));
if (ValueUpdated.HasDelegate)
{
ValueUpdated.InvokeAsync();
}
}