public FlyoutItemTemplateSelector(INavigationView nv)
{
DefaultTemplate = new DataTemplate(() =>
{
var grid = new Grid
{
HeightRequest = nv.GetFlyoutItemHeight(),
WidthRequest = nv.GetFlyoutItemWidth()
};
ColumnDefinitionCollection columnDefinitions = new ColumnDefinitionCollection();
columnDefinitions.Add(new ColumnDefinition {
Width = nv.GetFlyoutIconColumnSize()
});
columnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Star
});
grid.ColumnDefinitions = columnDefinitions;
var image = new Image
{
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
HeightRequest = nv.GetFlyoutIconSize(),
WidthRequest = nv.GetFlyoutIconSize(),
Margin = new Thickness(nv.GetFlyoutMargin(), 0, 0, 0),
};
image.SetBinding(Image.SourceProperty, new Binding("FlyoutIcon"));
grid.Children.Add(image);
var label = new Label
{
FontSize = nv.GetFlyoutItemFontSize(),
VerticalTextAlignment = TextAlignment.Center,
Margin = new Thickness(nv.GetFlyoutMargin(), 0, 0, 0),
};
label.SetBinding(Label.TextProperty, new Binding("Title"));
label.SetBinding(Label.TextColorProperty, new Binding("BackgroundColor", converter: new TextColorConverter(), source: grid));
grid.Children.Add(label, 1, 0);
var groups = new VisualStateGroupList();
var commonGroup = new VisualStateGroup();
commonGroup.Name = "CommonStates";
groups.Add(commonGroup);
var normalState = new VisualState();
normalState.Name = "Normal";
normalState.Setters.Add(new Setter
{
Property = VisualElement.BackgroundColorProperty,
Value = nv.GetTvFlyoutItemDefaultColor()
});
var focusedState = new VisualState();
focusedState.Name = "Focused";
focusedState.Setters.Add(new Setter
{
Property = VisualElement.BackgroundColorProperty,
Value = nv.GetTvFlyoutItemFocusedColor()
});
var selectedState = new VisualState();
selectedState.Name = "Selected";
selectedState.Setters.Add(new Setter
{
Property = VisualElement.BackgroundColorProperty,
Value = nv.GetTvFlyoutItemDefaultColor()
});
commonGroup.States.Add(normalState);
commonGroup.States.Add(focusedState);
commonGroup.States.Add(selectedState);
VisualStateManager.SetVisualStateGroups(grid, groups);
return(grid);
});
}