private ActionBarTabItemsSourceGenerator(ActionBar actionBar, ActionBarTabTemplate tabTemplate)
{
Should.NotBeNull(actionBar, "actionBar");
Should.NotBeNull(tabTemplate, "tabTemplate");
_actionBar = actionBar;
_tabTemplate = tabTemplate;
TryListenActivity(_actionBar.ThemedContext);
}
internal ActionBarTabItemsSourceGenerator(ActionBar actionBar, ActionBarTabTemplate tabTemplate)
{
Should.NotBeNull(actionBar, "actionBar");
Should.NotBeNull(tabTemplate, "tabTemplate");
_actionBar = actionBar;
_tabTemplate = tabTemplate;
TryListenActivity(_actionBar.ThemedContext);
}
private void Remove(int index)
{
var tabAt = _actionBar.GetTabAt(index);
_actionBar.RemoveTabAt(index);
if (tabAt != null)
{
ActionBarTabTemplate.ClearTab(_actionBar, tabAt, true);
}
}
internal ActionBarTabItemsSourceGenerator(ActionBar actionBar, ActionBarTabTemplate tabTemplate)
{
Should.NotBeNull(actionBar, "actionBar");
Should.NotBeNull(tabTemplate, "tabTemplate");
_actionBar = actionBar;
_tabTemplate = tabTemplate;
_collectionViewManagerMember = BindingServiceProvider
.MemberProvider
.GetBindingMember(actionBar.GetType(), AttachedMembers.ActionBar.CollectionViewManager, false, false);
TryListenActivity(_actionBar.ThemedContext);
}
internal ActionBarTabItemsSourceGenerator(ActionBar actionBar, ActionBarTabTemplate tabTemplate)
{
Should.NotBeNull(actionBar, nameof(actionBar));
Should.NotBeNull(tabTemplate, nameof(tabTemplate));
_actionBar = actionBar;
_tabTemplate = tabTemplate;
_collectionViewManagerMember = BindingServiceProvider
.MemberProvider
.GetBindingMember(actionBar.GetType(), AttachedMembers.ActionBar.CollectionViewManager, false, false);
TryListenActivity(_actionBar.ThemedContext);
}
public static void Clear(Activity activity)
{
var actionBar = activity.GetActionBar(false);
if (actionBar == null)
{
return;
}
for (int i = 0; i < actionBar.TabCount; i++)
{
ActionBarTabTemplate.ClearTab(actionBar, actionBar.GetTabAt(i), false);
}
actionBar.ClearBindings(true, true);
}
protected override void Refresh()
{
var manager = GetCollectionViewManager();
for (int i = 0; i < _actionBar.TabCount; i++)
{
ActionBarTabTemplate.ClearTab(_actionBar, _actionBar.GetTabAt(i), true);
}
if (manager == null)
{
_actionBar.RemoveAllTabs();
}
else
{
manager.Clear(_actionBar);
}
IEnumerable itemsSource = ItemsSource;
if (itemsSource == null)
{
return;
}
#if APPCOMPAT
var selectedItem = _actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.SelectedItem);
#else
var selectedItem = _actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.SelectedItem);
#endif
int count = itemsSource.Count();
for (int index = 0; index < count; index++)
{
var item = GetItem(index);
var tab = CreateTab(item);
if (manager == null)
{
_actionBar.AddTab(tab, index, ReferenceEquals(selectedItem, item));
}
else
{
manager.Insert(_actionBar, index, tab);
}
}
if (count == 0)
{
OnEmptyTab();
}
}
public static void Set(ActionBar actionBar, ActionBarTabTemplate tabTemplate)
{
ServiceProvider.AttachedValueProvider.SetValue(actionBar, Key, new ActionBarTabItemsSourceGenerator(actionBar, tabTemplate));
}
