diff options
Diffstat (limited to 'Xamarin.Forms.Core/TableRoot.cs')
-rw-r--r-- | Xamarin.Forms.Core/TableRoot.cs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core/TableRoot.cs b/Xamarin.Forms.Core/TableRoot.cs new file mode 100644 index 00000000..60ef6d95 --- /dev/null +++ b/Xamarin.Forms.Core/TableRoot.cs @@ -0,0 +1,60 @@ +using System; +using System.Collections.Specialized; +using System.ComponentModel; + +namespace Xamarin.Forms +{ + public sealed class TableRoot : TableSectionBase<TableSection> + { + public TableRoot() + { + SetupEvents(); + } + + public TableRoot(string title) : base(title) + { + SetupEvents(); + } + + internal event EventHandler<ChildCollectionChangedEventArgs> SectionCollectionChanged; + + void ChildCollectionChanged(object sender, NotifyCollectionChangedEventArgs notifyCollectionChangedEventArgs) + { + EventHandler<ChildCollectionChangedEventArgs> handler = SectionCollectionChanged; + if (handler != null) + handler(this, new ChildCollectionChangedEventArgs(notifyCollectionChangedEventArgs)); + } + + void ChildPropertyChanged(object sender, PropertyChangedEventArgs propertyChangedEventArgs) + { + if (propertyChangedEventArgs.PropertyName == TitleProperty.PropertyName) + { + OnPropertyChanged(TitleProperty.PropertyName); + } + } + + void SetupEvents() + { + CollectionChanged += (sender, args) => + { + if (args.NewItems != null) + { + foreach (TableSection section in args.NewItems) + { + section.CollectionChanged += ChildCollectionChanged; + section.PropertyChanged += ChildPropertyChanged; + } + } + + if (args.OldItems != null) + { + foreach (TableSection section in args.OldItems) + { + section.CollectionChanged -= ChildCollectionChanged; + section.PropertyChanged -= ChildPropertyChanged; + } + } + }; + } + } +}
\ No newline at end of file |