/// <summary>
/// Initializes a new instance of the <see cref="ItemsSourceAdapter" /> class.
/// </summary>
public ItemsSourceAdapter([NotNull] object container, Context context, bool listenCollectionChanges, string dropDownItemTemplateSelectorName = AttachedMemberNames.DropDownItemTemplateSelector,
string itemTemplateSelectorName = AttachedMemberConstants.ItemTemplateSelector, string dropDownItemTemplateIdName = AttachedMemberNames.DropDownItemTemplate,
string itemTemplateIdName = AttachedMemberConstants.ItemTemplate)
{
Should.NotBeNull(container, "container");
_container = container;
_itemTemplateProvider = new DataTemplateProvider(container, itemTemplateIdName, itemTemplateSelectorName);
_dropDownTemplateProvider = new DataTemplateProvider(container, dropDownItemTemplateIdName,
dropDownItemTemplateSelectorName);
_layoutInflater = LayoutInflater.From(context);
if (listenCollectionChanges)
{
_weakHandler = ReflectionExtensions.MakeWeakCollectionChangedHandler(this, (adapter, o, arg3) => adapter.OnCollectionChanged(o, arg3));
}
}
private TabHostItemsSourceGenerator([NotNull] TabHost tabHost)
{
Should.NotBeNull(tabHost, "tabHost");
_tabHost = tabHost;
_tabHost.Setup();
_tabToContent = new Dictionary <string, TabInfo>();
_tabFactory = new TabFactory(this);
_itemTemplateProvider = new DataTemplateProvider(tabHost, AttachedMemberConstants.ItemTemplate,
AttachedMemberConstants.ItemTemplateSelector);
_contentTemplateProvider = new DataTemplateProvider(tabHost, AttachedMemberConstants.ContentTemplate,
AttachedMemberConstants.ContentTemplateSelector);
_selectedItemMember = BindingServiceProvider
.MemberProvider
.GetBindingMember(tabHost.GetType(), AttachedMemberConstants.SelectedItem, false, false);
TryListenActivity(tabHost.Context);
_tabHost.TabChanged += TabHostOnTabChanged;
}
protected virtual View CreateView(object value, View convertView, ViewGroup parent, DataTemplateProvider templateProvider, int defaultTemplate)
{
var valueView = value as View;
if (valueView != null)
{
return(valueView);
}
int? templateId = null;
object template;
if (templateProvider.TrySelectTemplate(value, out template))
{
if (template != null)
{
valueView = template as View;
if (valueView != null)
{
BindingServiceProvider.ContextManager
.GetBindingContext(valueView)
.Value = value;
return(valueView);
}
if (template is int)
{
templateId = (int)template;
}
else
{
value = template;
}
}
}
else
{
templateId = templateProvider.GetTemplateId();
}
if (templateId == null)
{
if (!(convertView is TextView))
{
convertView = LayoutInflater.Inflate(defaultTemplate, null);
}
var textView = convertView as TextView;
if (textView != null)
{
textView.Text = value == null ? "(null)" : value.ToString();
}
return(textView);
}
var itemView = convertView as ListItem;
if (itemView == null || itemView.TemplateId != templateId)
{
convertView = CreateView(value, parent, templateId.Value);
}
BindingServiceProvider.ContextManager.GetBindingContext(convertView).Value = value;
return(convertView);
}