/// <summary>
/// Sets the content.
/// </summary>
public static object SetContentView([NotNull] this ViewGroup frameLayout, object content, int?templateId,
IDataTemplateSelector templateSelector)
{
content = GetContentView(frameLayout, frameLayout.Context, content, templateId, templateSelector);
frameLayout.SetContentView(content);
return(content);
}
/// <summary>
/// Sets the content.
/// </summary>
public static object SetContentView([NotNull] this ViewGroup frameLayout, object content, int?templateId,
IDataTemplateSelector templateSelector, FragmentTransaction transaction = null, Action <ViewGroup, Fragment, FragmentTransaction> updateAction = null)
{
content = GetContentView(frameLayout, frameLayout.Context, content, templateId, templateSelector);
frameLayout.SetContentView(content, transaction, updateAction);
return(content);
}
private void BuildChildren(IEnumerable items, int startingIndex)
{
IList <View> children = Layout?.Children;
if (children == null || items == null)
{
return;
}
IDataTemplateSelector templateSel = ItemTemplateSelector;
if (templateSel == null && ItemTemplate == null)
{
templateSel = new DefaultTemplateSelector(this);
}
if (templateSel != null)
{
foreach (object item in ItemsSource)
{
children.Insert(startingIndex++, CreateItemView(item, templateSel.SelectTemplate(item, this)));
}
}
else
{
DataTemplate template = ItemTemplate;
foreach (object item in ItemsSource)
{
children.Insert(startingIndex++, CreateItemView(item, template));
}
}
}
internal static object SelectTemplateWithContext(this IDataTemplateSelector selector,
[CanBeNull] object item, [NotNull] object container)
{
object template = selector.SelectTemplate(item, container);
if (template != null && item != null)
{
BindingServiceProvider.ContextManager.GetBindingContext(template).Value = item;
}
return(template);
}
private void UpdateValues()
{
if (_templateSelectorMember != null)
{
var value = _templateSelectorMember.GetValue(_container, Empty.Array <object>());
_resourceSelector = value as IResourceDataTemplateSelector;
_templateSelector = value as IDataTemplateSelector;
}
if (_templateMember != null)
{
_templateId = _templateMember.GetValue(_container, Empty.Array <object>()) as int?;
}
}
internal static object SelectTemplateWithContext(this IDataTemplateSelector selector,
[CanBeNull] object item, [NotNull] object container)
{
var template = selector.SelectTemplate(item, container);
if (template != null)
{
template.SetDataContext(item);
if (!(template is Control) && !(template is ToolStripItem) && template.GetBindingMemberValue(AttachedMembersBase.Object.Parent) == null)
{
template.SetBindingMemberValue(AttachedMembersBase.Object.Parent, container);
}
}
return(template);
}
internal static object SelectTemplateWithContext(this IDataTemplateSelector selector,
[CanBeNull] object item, [NotNull] object container)
{
object template = selector.SelectTemplate(item, container);
if (template != null)
{
template.SetDataContext(item);
if (!(template is UIView) &&
template.GetBindingMemberValue(AttachedMembers.Object.Parent, container) == null)
{
template.SetBindingMemberValue(AttachedMembers.Object.Parent, container);
}
}
return(template);
}
private void PerformTabBinding()
{
if (page == null)
{
return;
}
page.Children.Clear();
if (ItemsSource != null)
{
IDataTemplateSelector selector = ItemTemplateSelector;
foreach (object item in ItemsSource)
{
Page pg = CreateTabItemPage(item, selector?.SelectTemplate(item, page));
page.Children.Add(pg);
}
}
}
private static void UpdateContent(Control container, object value, IDataTemplateSelector selector)
{
if (selector != null)
{
value = selector.SelectTemplateWithContext(value, container);
}
var content = value as Control;
if (content == null)
{
var viewModel = value as IViewModel;
if (viewModel != null)
{
content = ViewModelToViewConverter.Instance.Convert(viewModel) as Control;
}
}
if (content == null && value != null)
{
Tracer.Warn("The content value {0} is not a Control.", value);
content = new TextBox
{
ReadOnly = true,
Text = value.ToString(),
Multiline = true
};
}
IContentViewManager viewManager = ContentViewManagerMember.GetValue(container, null);
if (viewManager == null)
{
container.Controls.Clear();
if (content != null)
{
content.Dock = DockStyle.Fill;
content.AutoSize = true;
container.Size = content.Size;
container.Controls.Add(content);
}
}
else
{
viewManager.SetContent(container, content);
}
}
private static void UpdateContent(Control container, object value, IDataTemplateSelector selector)
{
if (selector != null)
{
value = selector.SelectTemplateWithContext(value, container);
}
var viewModel = value as IViewModel;
if (viewModel != null)
{
value = ViewModelToViewConverter.Instance.Convert(viewModel);
}
var viewManager = container.GetBindingMemberValue(AttachedMembers.Control.ContentViewManager);
if (viewManager == null)
{
container.Controls.Clear();
var content = value as Control;
if ((content == null) && (value != null))
{
content = new TextBox
{
ReadOnly = true,
Text = value.ToString(),
Multiline = true
}
}
;
if (content != null)
{
content.Dock = DockStyle.Fill;
content.AutoSize = true;
container.Size = content.Size;
container.Controls.Add(content);
}
}
else
{
viewManager.SetContent(container, value);
}
}
private void ShowInternal(ToastImpl toast, IDataTemplateSelector selector, View snackbarHolderView, object content, float duration, ToastPosition position, IDataContext context)
{
Snackbar snackbar;
if (selector == null)
{
snackbar = Snackbar.Make(snackbarHolderView, content.ToStringSafe("(null)"), (int)duration);
}
else
{
snackbar = (Snackbar)selector.SelectTemplate(content, snackbarHolderView);
}
if (snackbar == null)
{
toast.FromToast(_defaultPresenter.ShowAsync(content, duration, position, context));
}
else
{
toast.Show(snackbar, duration);
}
}
private void OnItemsSourceCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (page == null)
{
return;
}
IDataTemplateSelector selector = ItemTemplateSelector;
if (e.Action == NotifyCollectionChangedAction.Reset)
{
page.Children.Clear();
}
else if (e.Action == NotifyCollectionChangedAction.Add)
{
int idx = e.NewStartingIndex;
foreach (object item in e.NewItems)
{
page.Children.Insert(idx++, CreateTabItemPage(item, selector?.SelectTemplate(item, page)));
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (object item in e.OldItems)
{
page.Children.RemoveAt(e.OldStartingIndex);
}
}
else if (e.Action == NotifyCollectionChangedAction.Replace)
{
int idx = e.NewStartingIndex;
foreach (object item in e.NewItems)
{
page.Children[idx++] = CreateTabItemPage(item, selector?.SelectTemplate(item, page));
}
}
else
{
throw new NotSupportedException(e.Action.ToString());
}
}
public IViewBinder <TData> WithDataTemplateSelector <T>()
where T : IDataTemplateSelector <TData>, new()
{
this.DataTemplateSelector = Cache <T> .Instance;
return(this);
}
private static object GetContentInternal(object container, Context ctx, object content, IDataTemplateSelector templateSelector)
{
var template = templateSelector.SelectTemplate(content, container);
if (template is int)
{
return(GetContentInternal(ctx, content, (int)template));
}
if (content != null && (template is View || IsFragment(template)))
{
template.SetDataContext(content);
}
return(template);
}
public static object GetContentView(object container, Context ctx, object content, int?templateId, IDataTemplateSelector templateSelector)
{
Should.NotBeNull(container, "container");
object result;
if (templateSelector != null)
{
result = GetContentInternal(container, ctx, content, templateSelector);
#if API8
if (result is View)
#else
if (result is View || result is Fragment)
#endif
{ return(result); }
content = result;
}
if (templateId != null)
{
result = GetContentInternal(ctx, content, templateId);
return(result);
}
var vm = content as IViewModel;
if (vm != null)
{
content = GetOrCreateView(vm, null);
}
#if API8
if (content is View)
#else
if (content is View || content is Fragment)
#endif
{ return(content); }
var selector = DefaultDataTemplateSelector;
if (selector != null)
{
result = GetContentInternal(container, ctx, content, templateSelector);
#if API8
if (result is View)
#else
if (result is View || result is Fragment)
#endif
{ return(result); }
content = result;
}
if (content == null)
{
return(null);
}
Tracer.Warn("The content value {0} is not a View or Fragment.", content);
result = new TextView(ctx)
{
Text = content.ToString()
};
return(result);
}
private static object GetContentInternal(object container, Context ctx, object content, IDataTemplateSelector templateSelector)
{
object template = templateSelector.SelectTemplate(content, container);
var newView = template as View;
if (newView != null)
{
BindingServiceProvider.ContextManager.GetBindingContext(newView).Value = content;
return(newView);
}
if (template is int)
{
return(GetContentInternal(ctx, content, (int)template));
}
#if !API8
var fragment = template as Fragment;
if (fragment != null)
{
BindingServiceProvider.ContextManager.GetBindingContext(fragment).Value = content;
return(fragment);
}
#endif
return(template);
}
public IViewBinder <TData> WithDataTemplate(int resourceId)
{
this.DataTemplateSelector = new SingleDataTemplateSelector <TData>(resourceId);
return(this);
}
private static void UpdateContent(UIView container, object value, IDataTemplateSelector selector)
{
var viewController = ServiceProvider
.AttachedValueProvider
.GetValue<UIViewController>(container, ContentControllerPath, false);
if (viewController != null)
{
viewController.RemoveFromParentViewController();
ServiceProvider.AttachedValueProvider.Clear(container, ContentControllerPath);
viewController.InititalizeRestorationIdentifier();
}
if (selector != null)
value = selector.SelectTemplateWithContext(value, container);
var viewModel = value as IViewModel;
if (viewModel != null)
value = ViewModelToViewConverter.Instance.Convert(viewModel);
viewController = value as UIViewController;
if (viewController != null)
{
var currentController = container.FindParent<UIViewController>();
if (currentController != null)
{
ServiceProvider.AttachedValueProvider.SetValue(container, ContentControllerPath, viewController);
viewController.WillMoveToParentViewController(currentController);
currentController.AddChildViewController(viewController);
viewController.DidMoveToParentViewController(currentController);
PlatformExtensions.SetHasState(viewController, false);
value = viewController.View;
}
}
var viewManager = container.GetBindingMemberValue(AttachedMembers.UIView.ContentViewManager);
if (viewManager == null)
{
container.ClearSubViews();
var view = value as UIView;
if (view == null && value != null)
view = new UITextView(container.Frame)
{
Editable = false,
DataDetectorTypes = UIDataDetectorType.None,
Text = value.ToString()
};
if (view != null)
{
view.Frame = container.Frame;
view.AutoresizingMask = UIViewAutoresizing.All;
container.AddSubviewEx(view);
}
}
else
viewManager.SetContent(container, value);
}
private void UpdateValues()
{
if (_templateSelectorMember != null)
{
var value = _templateSelectorMember.GetValue(_container, Empty.Array<object>());
_resourceSelector = value as IResourceDataTemplateSelector;
_templateSelector = value as IDataTemplateSelector;
}
if (_templateMember != null)
_templateId = _templateMember.GetValue(_container, Empty.Array<object>()) as int?;
}
private void ShowInternal(ToastImpl toast, IDataTemplateSelector selector, View snackbarHolderView, object content, float duration, ToastPosition position, IDataContext context)
{
Snackbar snackbar;
if (selector == null)
snackbar = Snackbar.Make(snackbarHolderView, content.ToStringSafe("(null)"), (int)duration);
else
snackbar = (Snackbar)selector.SelectTemplate(content, snackbarHolderView);
if (snackbar == null)
toast.FromToast(_defaultPresenter.ShowAsync(content, duration, position, context));
else
toast.Show(snackbar, duration);
}
private static void UpdateContent(UIView container, object value, IDataTemplateSelector selector)
{
var viewController = ServiceProvider
.AttachedValueProvider
.GetValue <UIViewController>(container, ContentControllerPath, false);
if (viewController != null)
{
viewController.RemoveFromParentViewController();
ServiceProvider.AttachedValueProvider.Clear(container, ContentControllerPath);
viewController.InititalizeRestorationIdentifier();
}
if (selector != null)
{
value = selector.SelectTemplateWithContext(value, container);
}
var viewModel = value as IViewModel;
if (viewModel != null)
{
value = ViewModelToViewConverter.Instance.Convert(viewModel);
}
viewController = value as UIViewController;
if (viewController != null)
{
var currentController = container.FindParent <UIViewController>();
if (currentController != null)
{
ServiceProvider.AttachedValueProvider.SetValue(container, ContentControllerPath, viewController);
viewController.WillMoveToParentViewController(currentController);
currentController.AddChildViewController(viewController);
viewController.DidMoveToParentViewController(currentController);
TouchToolkitExtensions.SetHasState(viewController, false);
value = viewController.View;
}
}
var viewManager = container.GetBindingMemberValue(AttachedMembers.UIView.ContentViewManager);
if (viewManager == null)
{
container.ClearSubViews();
var view = value as UIView;
if ((view == null) && (value != null))
{
view = new UITextView(container.Frame)
{
Editable = false,
DataDetectorTypes = UIDataDetectorType.None,
Text = value.ToString()
}
}
;
if (view != null)
{
view.Frame = container.Frame;
view.AutoresizingMask = UIViewAutoresizing.All;
container.AddSubviewEx(view);
}
}
else
{
viewManager.SetContent(container, value);
}
}
private static void UpdateContent(Control container, object value, IDataTemplateSelector selector)
{
if (selector != null)
value = selector.SelectTemplateWithContext(value, container);
var viewModel = value as IViewModel;
if (viewModel != null)
value = ViewModelToViewConverter.Instance.Convert(viewModel);
var viewManager = container.GetBindingMemberValue(AttachedMembers.Control.ContentViewManager);
if (viewManager == null)
{
container.Controls.Clear();
var content = value as Control;
if (content == null && value != null)
content = new TextBox
{
ReadOnly = true,
Text = value.ToString(),
Multiline = true
};
if (content != null)
{
content.Dock = DockStyle.Fill;
content.AutoSize = true;
container.Size = content.Size;
container.Controls.Add(content);
}
}
else
viewManager.SetContent(container, value);
}