public void AddChildrenViews(IList <TabViewChildren> Children)
{
grid.Children.Clear();
grid.ColumnDefinitions.Clear();
Views.Clear();
RadioBehaviors.Clear();
for (int i = 0; i < Children.Count; ++i)
{
grid.ColumnDefinitions.Add(new ColumnDefinition());
RadioBehavior radioBehavior = new RadioBehavior()
{
IsChecked = i == 0
};
TabViewChildren children = Children[i];
Views.Add(children.View);
RadioBehaviors.Add(radioBehavior);
var tabbedView = new TabbedImageLabelView(children, radioBehavior)
{
Margin = new Thickness(0, 3, 0, 0),
};
tabbedView.IndexSelectedChanged += (sendor, e) =>
{
var view = sendor as TabbedImageLabelView;
int index = RadioBehaviors.IndexOf(view.radioBehavior);
SelectedChanged?.Invoke(this,
new TabViewChangedEventArgs(index, ChildrenViews[index]));
};
grid.Children.Add(tabbedView);
viewGroup.Children.Add(children.View);
SetColumn(tabbedView, i);
}
}
public TabbedImageLabelView(TabViewChildren tabViewChildren, RadioBehavior radioBehavior)
{
InitializeComponent();
this.tabViewChildren = tabViewChildren;
this.radioBehavior = radioBehavior;
this.Behaviors.Add(radioBehavior);
this.grid.RowDefinitions[0].Height = tabViewChildren.ImageSize.Height;
this.image.HeightRequest = tabViewChildren.ImageSize.Height;
this.image.WidthRequest = tabViewChildren.ImageSize.Width;
this.label.FontSize = tabViewChildren.TextFontSize;
this.label.TextColor = tabViewChildren.UnSelectTextColor;
this.LabelText = tabViewChildren.Text;
this.ImageSource = tabViewChildren.UnSelectImageSource;
this.image.ColorFilter = Color.Default;
var dataTrigger = new DataTrigger(typeof(TabbedImageLabelView))
{
Binding = new Binding()
{
Source = radioBehavior,
Path = "IsChecked"
},
Value = true,
};
dataTrigger.Setters.Add(new Setter()
{
Property = LabelColorProperty,
Value = tabViewChildren.SelectedTextColor
});
dataTrigger.Setters.Add(new Setter()
{
Property = ColorFilterProperty,
Value = tabViewChildren.ImageColorFilter,
});
this.Triggers.Add(dataTrigger);
tabViewChildren.View.SetBinding(IsVisibleProperty, new Binding()
{
Source = radioBehavior,
Path = "IsChecked"
});
}
public TabView(IList <TabViewChildren> Children)
{
InitializeComponent();
Views = new List <ContentView>();
RadioBehaviors = new List <RadioBehavior>();
//ItemsSource = new ObservableCollection<TabViewChildren>();
//ItemsSource.CollectionChanged += ItemsSource_CollectionChanged;
for (int i = 0; i < Children.Count; ++i)
{
grid.ColumnDefinitions.Add(new ColumnDefinition());
RadioBehavior radioBehavior = new RadioBehavior()
{
IsChecked = i == 0
};
TabViewChildren children = Children[i];
Views.Add(children.View);
RadioBehaviors.Add(radioBehavior);
var tabbedView = new TabbedImageLabelView(children, radioBehavior)
{
Margin = new Thickness(0, 3, 0, 0),
};
tabbedView.IndexSelectedChanged += (sendor, e) =>
{
var view = sendor as TabbedImageLabelView;
int index = RadioBehaviors.IndexOf(view.radioBehavior);
SelectedChanged?.Invoke(this,
new TabViewChangedEventArgs(index, Children[index].View));
};
grid.Children.Add(tabbedView);
viewGroup.Children.Add(children.View);
SetColumn(tabbedView, i);
}
}