ant-design-blazor/components/dropdown/Dropdown.razor

@namespace AntDesign
@inherits OverlayTrigger
@using AntDesign.Internal

@if (ChildContent != null)
{
	@if (IsButton)
	{
		<div class="@ClassMapper.Class"
			 style="display: inline-block; width: @(Block ? "100%" : "fit-content" ); @Style"
			 id="@Id"         			 
			 >        
			@buttons((this, ChildContent))
		</div>		
	}
	else
	{
		<div class="@ClassMapper.Class"
			 style="display: inline-block; width: fit-content; @Style"
			 id="@Id"
			 @ref="@Ref"			 
			 @onclick="OnClickDiv"
			 @onmouseenter="OnTriggerMouseEnter"
			 @onmouseleave="OnTriggerMouseLeave"
			 @oncontextmenu="OnTriggerContextmenu"
			 @oncontextmenu:preventDefault
			 >		
			 @ChildContent
		 </div>
	}
}

@if (Unbound != null)
{
    @if (IsButton)
    {
		@buttons((this, Unbound(default)))
    }
    else
    {
        @Unbound(RefBack)
    }
}

<CascadingValue Value="this" Name="Trigger" IsFixed="@true">
    <Overlay @ref="_overlay"
             OverlayChildPrefixCls="@($"{PrefixCls}-menu")"
             OnOverlayMouseEnter="OnOverlayMouseEnter"
             OnOverlayMouseLeave="OnOverlayMouseLeave"
             OnOverlayMouseUp="OnOverlayMouseUp" />
</CascadingValue>


@code {
	RenderFragment<(Dropdown dropdown, RenderFragment childContent)> buttons = data => @<CascadingValue Value="@data.dropdown" IsFixed>			
		<DropdownGroupButton>
			<LeftButton>
				<Button @key="1" 
					Size="@data.dropdown.ButtonSize" 
					Class="@data.dropdown.ButtonClassLeft"
					Type="@data.dropdown.ButtonTypeLeft" 
					Disabled="@data.dropdown.Disabled" 
					Danger="@data.dropdown.ButtonDanger" 
					Ghost="@data.dropdown.ButtonGhost"					
					Style="@(data.dropdown.Block ? "flex: 1 0 auto;" + data.dropdown.ButtonStyleLeft : data.dropdown.ButtonStyleLeft)"
					@attributes="@(new Dictionary<string, object>() { ["OnClick"] = _callbackFactory.Create<MouseEventArgs>(data.dropdown, data.dropdown.OnClick) })"
					>
					@data.childContent
				</Button>
			</LeftButton>
			<RightButton>
				<span @ref="@data.dropdown.Ref">
					<Button @key="2" 
						Size="@data.dropdown.ButtonSize" 						
						Type="@data.dropdown.ButtonTypeRight" 
						Disabled="@data.dropdown.Disabled" 						
						Class="@("ant-dropdown-trigger " + @data.dropdown.ButtonClassRight)" 
						Icon="@data.dropdown.RightButtonIcon" 
						Danger="@data.dropdown.ButtonDanger" 
						Loading="@data.dropdown.IsLoading"
						Ghost="@data.dropdown.ButtonGhost"
						Style="@(data.dropdown.Block ? "flex: 0 0 auto;" + data.dropdown.ButtonStyleRight : data.dropdown.ButtonStyleRight)"
						@attributes="@(new Dictionary<string, object>() { ["OnClick"] = _callbackFactory.Create<MouseEventArgs>(data.dropdown, data.dropdown.OnTriggerClick) })"
						/>
				</span>
			</RightButton>
		</DropdownGroupButton>
	</CascadingValue>;
}