canvasManagement/Management.Web/Pages/Course/Module/ModuleItems/PageListItem.razor

@using Management.Web.Shared.Components
@using Management.Web.Course.Module.ModuleItems

@inject DragContainer dragContainer
@inject NavigationManager Navigation
@inject PageEditorContext pageContext

@inherits DroppablePage

@code {
  private void HandleDragStart()
  {
    dragContainer.DropCallback = dropCallback;
  }

  private void HandleDragEnd()
  {
    dragContainer.DropCallback = null;
  }
  private bool existsInCanvas => false;


  private void OnClick()
  {
    pageContext.Page = Page;
    Navigation.NavigateTo("/course/" + planner.LocalCourse?.Settings.Name + "/page/" + Page.Name);
  }
}

<div
  draggable="true"
  @ondragstart="HandleDragStart"
  @ondragend="HandleDragEnd"
  @onclick="OnClick"
  role="button"
>
  <ModuleItemLayout Name=@Page.Name IsSyncedWithCanvas=existsInCanvas>
    @if(!existsInCanvas)
    {
      <div class="mx-3 text-body-tertiary">
        no page with same name in canvas
      </div>
    }
    <div class="card-text overflow-hidden p-2">
      <div>Due At: @Page.DueAt</div>
    </div>
  </ModuleItemLayout>
</div>