internal async Task Show(string x, string y, string targetId = null, ContextMenuTrigger trigger = null)
{
if (trigger is null)
{
var rootMenu = menuTreeTraverser.GetRootContextMenu(this);
trigger = rootMenu?.GetTrigger();
}
if (trigger != null)
{
Data = trigger.Data;
}
if (OnAppearing.HasDelegate)
{
var eventArgs = new MenuAppearingEventArgs(Id, targetId, x, y, trigger, Data);
await OnAppearing.InvokeAsync(eventArgs);
x = eventArgs.X;
y = eventArgs.Y;
if (eventArgs.PreventShow)
{
return;
}
}
IsShowing = true;
X = x;
Y = y;
TargetId = targetId;
Trigger = trigger;
await InvokeAsync(() => StateHasChanged());
}
public MenuRenderingContext(string contextMenuId, string contextMenuTargetId, string x, string y, ContextMenuTrigger trigger, object data)
{
ContextMenuId = contextMenuId;
ContextMenuTargetId = contextMenuTargetId;
ContextMenuTrigger = trigger;
Data = data;
X = x;
Y = y;
}
public MenuAppearingEventArgs(string contextMenuId, string contextMenuTargetId, string x, string y, ContextMenuTrigger trigger, object data)
{
ContextMenuId = contextMenuId;
ContextMenuTargetId = contextMenuTargetId;
ContextMenuTrigger = trigger;
Data = data;
X = x;
Y = y;
}
public ItemClickEventArgs(MouseEventArgs mouseEvent, string contextMenuId, string contextMenuTargetId,
ContextMenuTrigger trigger, ElementReference menuItemElement, Item menuItem, object data)
{
MouseEvent = mouseEvent;
ContextMenuId = contextMenuId;
ContextMenuTargetId = contextMenuTargetId;
ContextMenuTrigger = trigger;
MenuItemElement = menuItemElement;
MenuItem = menuItem;
Data = data;
}
public ItemAppearingEventArgs(string contextMenuId, string contextMenuTargetId,
ContextMenuTrigger trigger, Item menuItem, bool isVisible,
bool isEnabled, object data)
{
ContextMenuId = contextMenuId;
ContextMenuTargetId = contextMenuTargetId;
ContextMenuTrigger = trigger;
MenuItem = menuItem;
IsEnabled = isEnabled;
Data = data;
IsVisible = isVisible;
}