@using AIStudio.Tools.PowerPoint
@foreach (var area in Enum.GetValues<LayoutPurposeArea>())
{
    <CompactExpansionPanel HeaderText="@this.HeaderTextOf(area)" HeaderIcon="@IconOf(area)" Class="mb-3 rounded" Expanded="@this.expandedAreas.Contains(area)" ExpandedChanged="@(expanded => this.SetExpanded(area, expanded))">
        @if (this.expandedAreas.Contains(area))
        {
            @foreach (var purpose in Enum.GetValues<LayoutPurpose>().Where(purpose => purpose.Area() == area))
            {
                @this.ChoiceContent(purpose)
            }
        }
    </CompactExpansionPanel>
}