public ItemsSourceAdapter([NotNull] object container, Context context, bool listenCollectionChanges, string dropDownItemTemplateSelectorName = null,
string itemTemplateSelectorName = null, string dropDownItemTemplateName = null, string itemTemplateName = null)
{
Should.NotBeNull(container, nameof(container));
_container = container;
container.TryGetBindingMemberValue(AttachedMembers.Object.StableIdProvider, out _stableIdProvider);
_itemTemplateProvider = new DataTemplateProvider(container, itemTemplateName ?? AttachedMemberConstants.ItemTemplate,
itemTemplateSelectorName ?? AttachedMemberConstants.ItemTemplateSelector);
_dropDownTemplateProvider = new DataTemplateProvider(container,
dropDownItemTemplateName ?? AttachedMembers.AdapterView.DropDownItemTemplate,
dropDownItemTemplateSelectorName ?? AttachedMembers.AdapterView.DropDownItemTemplateSelector);
_layoutInflater = context.GetBindableLayoutInflater();
if (listenCollectionChanges)
{
_weakHandler = ReflectionExtensions.MakeWeakCollectionChangedHandler(this, (adapter, o, arg3) => adapter.OnCollectionChanged(o, arg3));
}
var activityView = context.GetActivity() as IActivityView;
if (activityView != null)
{
_listener = ReflectionExtensions.CreateWeakEventHandler <ItemsSourceAdapter, EventArgs>(this, (adapter, o, arg3) => adapter.ActivityViewOnDestroyed((Activity)o));
activityView.Mediator.Destroyed += _listener.Handle;
}
_defaultDropDownTemplate = IsSpinner()
? global::Android.Resource.Layout.SimpleDropDownItem1Line
: global::Android.Resource.Layout.SimpleSpinnerDropDownItem;
(container as AdapterView)?.SetDisableHierarchyListener(true);
}
public ItemsSourcePagerAdapter([NotNull] ViewPager viewPager)
{
Should.NotBeNull(viewPager, nameof(viewPager));
_viewPager = viewPager;
_fragmentManager = viewPager.GetFragmentManager();
_itemTemplateProvider = new DataTemplateProvider(viewPager, AttachedMemberConstants.ItemTemplate, AttachedMemberConstants.ItemTemplateSelector);
_weakHandler = ReflectionExtensions.MakeWeakCollectionChangedHandler(this, (adapter, o, arg3) => adapter.OnCollectionChanged(o, arg3));
var activityView = _viewPager.Context.GetActivity() as IActivityView;
if (activityView != null)
{
_listener = ReflectionExtensions.CreateWeakEventHandler<ItemsSourcePagerAdapter, EventArgs>(this, (adapter, o, arg3) => adapter.ActivityViewOnDestroyed((Activity)o));
activityView.Mediator.Destroyed += _listener.Handle;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ItemsSourceAdapter" /> class.
/// </summary>
public ItemsSourceRecyclerAdapter([NotNull] global::Android.Support.V7.Widget.RecyclerView recyclerView)
{
Should.NotBeNull(recyclerView, "recyclerView");
_recyclerView = recyclerView;
_itemTemplateProvider = new DataTemplateProvider(_recyclerView, AttachedMemberConstants.ItemTemplate,
AttachedMemberConstants.ItemTemplateSelector);
_layoutInflater = _recyclerView.Context.GetBindableLayoutInflater();
_weakHandler = ReflectionExtensions.MakeWeakCollectionChangedHandler(this,
(adapter, o, arg3) => adapter.OnCollectionChanged(o, arg3));
var activityView = _recyclerView.Context.GetActivity() as IActivityView;
if (activityView != null)
{
_listener = ReflectionExtensions.CreateWeakEventHandler<ItemsSourceRecyclerAdapter, EventArgs>(this, (adapter, o, arg3) => adapter.ActivityViewOnDestroyed((Activity)o));
activityView.Mediator.Destroyed += _listener.Handle;
}
}
internal 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);
_collectionViewManagerMember = BindingServiceProvider
.MemberProvider
.GetBindingMember(tabHost.GetType(), AttachedMembers.ViewGroup.CollectionViewManager, false, false);
TryListenActivity(tabHost.Context);
TabHost.TabChanged += TabHostOnTabChanged;
}
/// <summary>
/// Initializes a new instance of the <see cref="ItemsSourceAdapter" /> class.
/// </summary>
public ItemsSourceAdapter([NotNull] object container, Context context, bool listenCollectionChanges, string dropDownItemTemplateSelectorName = null,
string itemTemplateSelectorName = AttachedMemberConstants.ItemTemplateSelector, string dropDownItemTemplateIdName = null,
string itemTemplateIdName = AttachedMemberConstants.ItemTemplate)
{
Should.NotBeNull(container, "container");
_container = container;
_itemTemplateProvider = new DataTemplateProvider(container, itemTemplateIdName, itemTemplateSelectorName);
_dropDownTemplateProvider = new DataTemplateProvider(container,
dropDownItemTemplateIdName ?? AttachedMembers.AdapterView.DropDownItemTemplate,
dropDownItemTemplateSelectorName ?? AttachedMembers.AdapterView.DropDownItemTemplateSelector);
_layoutInflater = context.GetBindableLayoutInflater();
if (listenCollectionChanges)
_weakHandler = ReflectionExtensions.MakeWeakCollectionChangedHandler(this, (adapter, o, arg3) => adapter.OnCollectionChanged(o, arg3));
var activityView = context.GetActivity() as IActivityView;
if (activityView != null)
{
_listener = ReflectionExtensions.CreateWeakEventHandler<ItemsSourceAdapter, EventArgs>(this, (adapter, o, arg3) => adapter.ActivityViewOnDestroyed((Activity)o));
activityView.Mediator.Destroyed += _listener.Handle;
}
}
private View GetViewInternal(int position, View convertView, ViewGroup parent, DataTemplateProvider provider, int defaultTemplate)
{
if (ItemsSource == null)
return null;
var view = CreateView(GetRawItem(position), convertView, parent, provider, defaultTemplate);
if (view != null && !ReferenceEquals(view, convertView))
{
view.SetBindingMemberValue(AttachedMembers.Object.Parent, Container);
view.ListenParentChange();
}
return view;
}
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;
int id;
if (templateProvider.TrySelectResourceTemplate(value, out id))
templateId = id;
else
{
object template;
if (templateProvider.TrySelectTemplate(value, out template))
{
if (template != null)
{
valueView = template as View;
if (valueView != null)
{
valueView.SetDataContext(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.ToStringSafe("(null)");
return textView;
}
var oldId = GetViewTemplateId(convertView);
if (oldId == null || oldId.Value != templateId.Value)
convertView = CreateView(value, parent, templateId.Value);
convertView.SetDataContext(value);
return convertView;
}
public ItemsSourceAdapter([NotNull] object container, Context context, bool listenCollectionChanges, string dropDownItemTemplateSelectorName = null,
string itemTemplateSelectorName = null, string dropDownItemTemplateName = null, string itemTemplateName = null)
{
Should.NotBeNull(container, "container");
_container = container;
container.TryGetBindingMemberValue(AttachedMembers.Object.StableIdProvider, out _stableIdProvider);
_itemTemplateProvider = new DataTemplateProvider(container, itemTemplateName ?? AttachedMemberConstants.ItemTemplate,
itemTemplateSelectorName ?? AttachedMemberConstants.ItemTemplateSelector);
_dropDownTemplateProvider = new DataTemplateProvider(container,
dropDownItemTemplateName ?? AttachedMembers.AdapterView.DropDownItemTemplate,
dropDownItemTemplateSelectorName ?? AttachedMembers.AdapterView.DropDownItemTemplateSelector);
_layoutInflater = context.GetBindableLayoutInflater();
if (listenCollectionChanges)
_weakHandler = ReflectionExtensions.MakeWeakCollectionChangedHandler(this, (adapter, o, arg3) => adapter.OnCollectionChanged(o, arg3));
var activityView = context.GetActivity() as IActivityView;
if (activityView != null)
{
_listener = ReflectionExtensions.CreateWeakEventHandler<ItemsSourceAdapter, EventArgs>(this, (adapter, o, arg3) => adapter.ActivityViewOnDestroyed((Activity)o));
activityView.Mediator.Destroyed += _listener.Handle;
}
_defaultDropDownTemplate = IsSpinner()
? global::Android.Resource.Layout.SimpleDropDownItem1Line
: global::Android.Resource.Layout.SimpleSpinnerDropDownItem;
var absListView = container as AdapterView;
if (absListView != null)
{
var member = BindingServiceProvider.MemberProvider.GetBindingMember(absListView.GetType(), AttachedMembers.ViewGroup.DisableHierarchyListener, false, false);
if (member.CanWrite)
member.SetSingleValue(absListView, Empty.TrueObject);
}
}
internal 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;
}
public TabListener(DataTemplateProvider contentTemplateProvider)
{
_contentTemplateProvider = contentTemplateProvider;
}
private View GetViewInternal(int position, View convertView, ViewGroup parent, DataTemplateProvider provider, int defaultTemplate)
{
if (ItemsSource == null)
{
return(null);
}
var view = CreateView(GetRawItem(position), convertView, parent, provider, defaultTemplate);
if (view != null && !ReferenceEquals(view, convertView))
{
view.SetBindingMemberValue(AttachedMembers.Object.Parent, Container);
view.ListenParentChange();
}
return(view);
}
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;
int id;
if (templateProvider.TrySelectResourceTemplate(value, out id))
{
templateId = id;
}
else
{
object template;
if (templateProvider.TrySelectTemplate(value, out template))
{
if (template != null)
{
valueView = template as View;
if (valueView != null)
{
valueView.SetDataContext(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.ToStringSafe("(null)");
}
return(textView);
}
var oldId = GetViewTemplateId(convertView);
if (oldId == null || oldId.Value != templateId.Value)
{
convertView = CreateView(value, parent, templateId.Value);
}
convertView.SetDataContext(value);
return(convertView);
}
public override void OnDetachedFromRecyclerView(global::Android.Support.V7.Widget.RecyclerView recyclerView)
{
var activityView = recyclerView.Context.GetActivity() as IActivityView;
if (activityView != null)
activityView.Mediator.Destroyed -= _listener.Handle;
_layoutInflater = null;
_itemTemplateProvider = null;
_recyclerView = null;
_createViewHolderDelegate = null;
base.OnDetachedFromRecyclerView(recyclerView);
}
public override void OnAttachedToRecyclerView(global::Android.Support.V7.Widget.RecyclerView recyclerView)
{
_recyclerView = recyclerView;
_itemTemplateProvider = new DataTemplateProvider(_recyclerView, AttachedMemberConstants.ItemTemplate, AttachedMemberConstants.ItemTemplateSelector);
_layoutInflater = _recyclerView.Context.GetBindableLayoutInflater();
_createViewHolderDelegate = _recyclerView.GetBindingMemberValue(AttachedMembersRecyclerView.RecyclerView.CreateViewHolderDelegate);
HasStableIds = recyclerView.TryGetBindingMemberValue(AttachedMembers.Object.StableIdProvider, out _stableIdProvider) && _stableIdProvider != null;
var activityView = _recyclerView.Context.GetActivity() as IActivityView;
if (activityView != null)
{
if (_listener == null)
_listener = ReflectionExtensions.CreateWeakEventHandler<ItemsSourceRecyclerAdapter, EventArgs>(this, (adapter, o, arg3) => adapter.ActivityViewOnDestroyed((Activity)o));
activityView.Mediator.Destroyed += _listener.Handle;
}
//To prevent HasStableIds error.
if (_observers != null)
{
foreach (var observer in _observers)
base.RegisterAdapterDataObserver(observer);
_observers = null;
}
var member = BindingServiceProvider.MemberProvider.GetBindingMember(_recyclerView.GetType(), AttachedMembers.ViewGroup.DisableHierarchyListener, false, false);
if (member.CanWrite)
member.SetSingleValue(_recyclerView, Empty.TrueObject);
base.OnAttachedToRecyclerView(recyclerView);
}
private View GetViewInternal(int position, View convertView, ViewGroup parent, DataTemplateProvider provider, int defaultTemplate)
{
if (ItemsSource == null)
{
return(null);
}
LayoutInflaterResult result;
var view = CreateView(GetRawItem(position), convertView, parent, provider, defaultTemplate, out result);
if (view != null && !ReferenceEquals(view, convertView))
{
view.SetBindingMemberValue(AttachedMembersBase.Object.Parent, Container);
}
result?.ApplyBindings();
return(view);
}
