private async Task OnItemKeyDownAsync(int index)
{
if (KeyboardInteractions && !AppliedDisabled)
{
await OnKeyDown.InvokeAsync(index);
}
}
private async void KeyDownHandler(KeyboardEventArgs args)
{
// check for a right key press so we can open the submenu if it exists
if (args.Key == "ArrowRight" && !isSubMenuOpen)
{
await SetSubmenu.InvokeAsync(this.Key);
}
// send it to the parent ContextualMenu so we can use a left key press to close the menu.
await OnKeyDown.InvokeAsync(args);
}
/// <summary>
/// Overrides KeyDown event, intercepts Arrow Up/Down and uses them to add/substract the value manually by the step value.
/// Relying on the browser mean the steps are each integer multiple from <see cref="Min"/> up until <see cref="Max"/>.
/// This align the behaviour with the spinner buttons.
/// </summary>
/// <remarks>https://try.mudblazor.com/snippet/QamlkdvmBtrsuEtb</remarks>
protected async Task InterceptArrowKey(KeyboardEventArgs obj)
{
if (Disabled || ReadOnly)
{
return;
}
if (obj.Type == "keydown")//KeyDown or repeat, blazor never fires InvokeKeyPress
{
if (obj.Key == "ArrowUp")
{
_keyDownPreventDefault = true;
if (RuntimeLocation.IsServerSide)
{
var value = Value;
await Task.Delay(1);
Value = value;
}
await Increment();
return;
}
else if (obj.Key == "ArrowDown")
{
_keyDownPreventDefault = true;
if (RuntimeLocation.IsServerSide)
{
var value = Value;
await Task.Delay(1);
Value = value;
}
await Decrement();
return;
}
}
_keyDownPreventDefault = KeyDownPreventDefault;
OnKeyDown.InvokeAsync(obj).AndForget();
}
protected async Task HandleKeydown(KeyboardEventArgs obj)
{
if (Disabled || ReadOnly)
{
return;
}
switch (obj.Key)
{
case "ArrowUp":
await Increment();
break;
case "ArrowDown":
await Decrement();
break;
}
OnKeyDown.InvokeAsync(obj).AndForget();
}
private void KeyDownHandler(KeyboardEventArgs keyboardEventArgs)
{
OnKeyDown.InvokeAsync(keyboardEventArgs);
}
protected internal Task KeyDown(KeyboardEventArgs e)
{
return(OnKeyDown.InvokeAsync(e));
}
/// <summary>
/// Overrides KeyDown event, intercepts Arrow Up/Down and uses them to add/substract the value manually by the step value.
/// Relying on the browser mean the steps are each integer multiple from <see cref="Min"/> up until <see cref="Max"/>.
/// This align the behaviour with the spinner buttons.
/// </summary>
/// <remarks>https://try.mudblazor.com/snippet/QamlkdvmBtrsuEtb</remarks>
protected async Task InterceptKeydown(KeyboardEventArgs obj)
{
if (Disabled || ReadOnly)
{
return;
}
if (obj.Type == "keydown") //KeyDown or repeat, blazor never fires InvokeKeyPress
{
switch (obj.Key)
{
case "ArrowUp":
if (RuntimeLocation.IsServerSide)
{
if (!Immediate)
{
_key++;
await Task.Delay(1);
await Increment();
await Task.Delay(1);
_ = FocusAsync();
}
else
{
await Increment();
}
}
else
{
await Increment();
_elementReference.ForceRender(true);
}
return;
case "ArrowDown":
if (RuntimeLocation.IsServerSide)
{
if (!Immediate)
{
_key++;
await Task.Delay(1);
await Decrement();
await Task.Delay(1);
_ = FocusAsync();
}
else
{
await Decrement();
}
}
else
{
await Decrement();
_elementReference.ForceRender(true);
}
return;
// various navigation keys
case "ArrowLeft":
case "ArrowRight":
case "Tab":
case "Backspace":
case "Delete":
break;
//copy/paste
case "v":
case "c":
if (obj.CtrlKey is false)
{
_keyDownPreventDefault = true;
return;
}
break;
default:
var acceptableKeyTypes = new Regex("^[0-9,.-]$");
var isMatch = acceptableKeyTypes.Match(obj.Key).Success;
if (isMatch is false)
{
_keyDownPreventDefault = true;
return;
}
break;
}
}
OnKeyDown.InvokeAsync(obj).AndForget();
}
protected virtual Task HandleKeyDown(KeyboardEventArgs args)
{
return(OnKeyDown.InvokeAsync(args));
}
public override async Task EventCallback(string eventName, string eventJson)
{
var jsonOptions = new JsonSerializerOptions {
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
};
switch (eventName)
{
case "OnDidCompositionEnd":
await OnDidCompositionEnd.InvokeAsync(this);
break;
case "OnDidCompositionStart":
await OnDidCompositionStart.InvokeAsync(this);
break;
case "OnContextMenu":
if (eventJson != null)
{
await OnContextMenu.InvokeAsync(
JsonSerializer.Deserialize <EditorMouseEvent>(eventJson, jsonOptions));
}
break;
case "OnDidBlurEditorText":
await OnDidBlurEditorText.InvokeAsync(this);
break;
case "OnDidBlurEditorWidget":
await OnDidBlurEditorWidget.InvokeAsync(this);
break;
case "OnDidChangeConfiguration":
await OnDidChangeConfiguration.InvokeAsync(this);
break;
case "OnDidChangeCursorPosition":
await OnDidChangeCursorPosition.InvokeAsync(
JsonSerializer.Deserialize <CursorPositionChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidChangeCursorSelection":
await OnDidChangeCursorSelection.InvokeAsync(
JsonSerializer.Deserialize <CursorSelectionChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidChangeModel":
await OnDidChangeModel.InvokeAsync(
JsonSerializer.Deserialize <ModelChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidChangeModelContent":
await OnDidChangeModelContent.InvokeAsync(
JsonSerializer.Deserialize <ModelContentChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidChangeModelDecorations":
await OnDidChangeModelDecorations.InvokeAsync(
JsonSerializer.Deserialize <ModelDecorationsChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidChangeModelLanguage":
await OnDidChangeModelLanguage.InvokeAsync(
JsonSerializer.Deserialize <ModelLanguageChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidChangeModelLanguageConfiguration":
await OnDidChangeModelLanguageConfiguration.InvokeAsync(
JsonSerializer.Deserialize <ModelLanguageConfigurationChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidChangeModelOptions":
await OnDidChangeModelOptions.InvokeAsync(
JsonSerializer.Deserialize <ModelOptionsChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidContentSizeChange":
await OnDidContentSizeChange.InvokeAsync(
JsonSerializer.Deserialize <ContentSizeChangedEvent>(eventJson, jsonOptions));
break;
case "OnDidFocusEditorText":
await OnDidFocusEditorText.InvokeAsync(this);
break;
case "OnDidFocusEditorWidget":
await OnDidFocusEditorWidget.InvokeAsync(this);
break;
case "OnDidLayoutChange":
if (eventJson != null)
{
await OnDidLayoutChange.InvokeAsync(
JsonSerializer.Deserialize <EditorLayoutInfo>(eventJson, jsonOptions));
}
break;
case "OnDidPaste":
if (eventJson != null)
{
await OnDidPaste.InvokeAsync(JsonSerializer.Deserialize <PasteEvent>(eventJson, jsonOptions));
}
break;
case "OnDidScrollChange":
if (eventJson != null)
{
await OnDidScrollChange.InvokeAsync(
JsonSerializer.Deserialize <ScrollEvent>(eventJson, jsonOptions));
}
break;
case "OnKeyDown":
if (eventJson != null)
{
await OnKeyDown.InvokeAsync(JsonSerializer.Deserialize <KeyboardEvent>(eventJson, jsonOptions));
}
break;
case "OnKeyUp":
if (eventJson != null)
{
await OnKeyUp.InvokeAsync(JsonSerializer.Deserialize <KeyboardEvent>(eventJson, jsonOptions));
}
break;
case "OnMouseDown":
if (eventJson != null)
{
await OnMouseDown.InvokeAsync(
JsonSerializer.Deserialize <EditorMouseEvent>(eventJson, jsonOptions));
}
break;
case "OnMouseLeave":
if (eventJson != null)
{
await OnMouseLeave.InvokeAsync(
JsonSerializer.Deserialize <EditorMouseEvent>(eventJson, jsonOptions));
}
break;
case "OnMouseMove":
if (eventJson != null)
{
await OnMouseMove.InvokeAsync(
JsonSerializer.Deserialize <EditorMouseEvent>(eventJson, jsonOptions));
}
break;
case "OnMouseUp":
if (eventJson != null)
{
await OnMouseUp.InvokeAsync(
JsonSerializer.Deserialize <EditorMouseEvent>(eventJson, jsonOptions));
}
break;
}
await base.EventCallback(eventName, eventJson);
}
/// <summary>
/// Overrides KeyDown event, intercepts Arrow Up/Down and uses them to add/substract the value manually by the step value.
/// Relying on the browser mean the steps are each integer multiple from <see cref="Min"/> up until <see cref="Max"/>.
/// This align the behaviour with the spinner buttons.
/// </summary>
/// <remarks>https://try.mudblazor.com/snippet/QamlkdvmBtrsuEtb</remarks>
protected async Task InterceptKeydown(KeyboardEventArgs obj)
{
if (Disabled || ReadOnly)
{
return;
}
//Server side and WASM have different (opposite) behaviour. We need to set initial value false on BSS (line 24) and true on WASM (line 204).
//Changing _keyDownPreventDefault value didn't work with Increment or Decrement methods in this method, so it have to be determined false before the method starts.
if (RuntimeLocation.IsClientSide)
{
_keyDownPreventDefault = false;
}
if (obj.Type == "keydown") //KeyDown or repeat, blazor never fires InvokeKeyPress
{
switch (obj.Key)
{
case "ArrowUp":
_key++;
await Task.Delay(1);
await Increment();
await Task.Delay(1);
await _elementReference.FocusAsync();
return;
case "ArrowDown":
_key++;
await Task.Delay(1);
await Decrement();
await Task.Delay(1);
await _elementReference.FocusAsync();
return;
// various navigation keys
case "ArrowLeft":
case "ArrowRight":
case "Tab":
case "Backspace":
case "Delete":
case "Enter":
case "NumpadEnter":
break;
//copy/paste
case "v":
case "c":
case "a":
if (obj.CtrlKey is false)
{
_keyDownPreventDefault = true;
_key++;
StateHasChanged();
await Task.Delay(1);
await _elementReference.FocusAsync();
return;
}
break;
default:
//Check the shift key for AZERTY keyboard support 'Shift' and copy, paste, select all execution for 'Ctrl'.
if (obj.Key != "Shift" && obj.Key != "Control")
{
var acceptableKeyTypes = new Regex("^[0-9,.-]$");
var isMatch = acceptableKeyTypes.Match(obj.Key).Success;
if (isMatch is false)
{
_keyDownPreventDefault = true;
_key++;
StateHasChanged();
await Task.Delay(1);
await _elementReference.FocusAsync();
return;
}
break;
}
else
{
return;
}
}
}
//Component will work properly even we delete this line.
OnKeyDown.InvokeAsync(obj).AndForget();
}
/// <summary>
/// Overrides KeyDown event, intercepts Arrow Up/Down and uses them to add/substract the value manually by the step value.
/// Relying on the browser mean the steps are each integer multiple from <see cref="Min"/> up until <see cref="Max"/>.
/// This aligns the behaviour with the spinner buttons.
/// </summary>
/// <remarks>https://try.mudblazor.com/snippet/QamlkdvmBtrsuEtb</remarks>
protected async Task InterceptKeydown(KeyboardEventArgs obj)
{
if (Disabled || ReadOnly)
{
return;
}
//Server side and WASM have different (opposite) behaviour. We need to set initial value false on BSS and true on WASM
if (RuntimeLocation.IsClientSide)
{
_keyDownPreventDefault = false;
}
if (obj.Type == "keydown") //KeyDown or repeat, blazor never fires InvokeKeyPress
{
switch (obj.Key)
{
case "ArrowUp":
_key++;
await Task.Delay(1);
await Increment();
await Task.Delay(1);
await _elementReference.FocusAsync();
break;
case "ArrowDown":
_key++;
await Task.Delay(1);
await Decrement();
await Task.Delay(1);
await _elementReference.FocusAsync();
break;
case "ArrowLeft":
case "ArrowRight":
case "Tab":
case "Backspace":
case "Delete":
case "Enter":
case "NumpadEnter":
case "Home":
case "End":
break;
//copy/paste
case "v":
case "c":
case "a":
if (obj.CtrlKey is false)
{
_keyDownPreventDefault = true;
_key++;
StateHasChanged();
await Task.Delay(1);
await _elementReference.FocusAsync();
}
break;
default:
//Check the shift key for AZERTY keyboard support 'Shift' and copy, paste, select all execution for 'Ctrl'.
if (obj.Key != "Shift" && obj.Key != "Control")
{
var acceptableKeyTypes = new Regex("^[0-9,.-]$");
var isMatch = acceptableKeyTypes.Match(obj.Key).Success;
if (isMatch is false)
{
_keyDownPreventDefault = true;
_key++;
StateHasChanged();
await Task.Delay(1);
await _elementReference.FocusAsync();
}
}
break;
}
}
OnKeyDown.InvokeAsync(obj).AndForget();
}