public override Style SelectStyle(object item, DependencyObject container)
{
if (container is TabItem tabItem && VisualHelper.GetParent <TabControl>(tabItem) is { } tabControl)
{
var count = tabControl.Items.Count;
if (count == 1)
{
return(ResourceHelper.GetResource <Style>(ResourceToken.TabItemCapsuleSingle));
}
var index = tabControl.ItemContainerGenerator.IndexFromContainer(tabItem);
return(index == 0
? ResourceHelper.GetResource <Style>(
tabControl.TabStripPlacement == Dock.Top || tabControl.TabStripPlacement == Dock.Bottom
? ResourceToken.TabItemCapsuleHorizontalFirst
: ResourceToken.TabItemCapsuleVerticalFirst)
: ResourceHelper.GetResource <Style>(index == count - 1
? tabControl.TabStripPlacement == Dock.Top || tabControl.TabStripPlacement == Dock.Bottom
? ResourceToken.TabItemCapsuleHorizontalLast
: ResourceToken.TabItemCapsuleVerticalLast
: ResourceToken.TabItemCapsuleDefault));
}
return(null);
}
public override Style SelectStyle(object item, DependencyObject container)
{
if (container is ComboBoxItem comboBoxItem && VisualHelper.GetParent <ComboBox>(comboBoxItem) is { } comboBox)
{
var count = comboBox.Items.Count;
if (count == 1)
{
return(ResourceHelper.GetResource <Style>(ResourceToken.ComboBoxItemCapsuleSingle));
}
var index = comboBox.ItemContainerGenerator.IndexFromContainer(comboBoxItem);
return(index == 0
? ResourceHelper.GetResource <Style>(ResourceToken.ComboBoxItemCapsuleHorizontalFirst)
: ResourceHelper.GetResource <Style>(index == count - 1
? ResourceToken.ComboBoxItemCapsuleHorizontalLast
: ResourceToken.ComboBoxItemCapsuleDefault));
}
return(null);
}