private void Init()
{
SegmentItems.Children.Clear();
SegmentItems.RowDefinitions.Clear();
SegmentItems.ColumnDefinitions.Clear();
SegmentItems.ColumnSpacing = this.SectionSpacing;
SegmentItems.RowSpacing = this.SectionSpacing;
if (ItemsSource?.Any() != true)
{
return;
}
for (int i = 0; i < ItemsSource.Count; i++)
{
var item = ItemsSource[i];
// Check if selected
item.IsSelected = item.IsSelected || (SelectedTag != null && SelectedTag?.ToString() == item.Tag?.ToString());
var view = GetView(item, i);
// If selected we display content
if (item.IsSelected)
{
this.MainContent = item.Content;
}
if (SectionOrientation == StackOrientation.Horizontal)
{
SegmentItems.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = SectionHorizontalayout.Alignment == LayoutAlignment.Fill ? GridLength.Star : GridLength.Auto
});
}
else
{
SegmentItems.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
}
SegmentItems.Children.Add(view);
}
}
private View GetView(SegmentControlItem item)
{
// Check if item should be selected
var isSelected =
item.IsSelected ||
(SelectedTag != null && SelectedTag?.ToString() == item.Tag?.ToString());
Grid view = new Grid()
{
Padding = new Thickness(1)
};
if (UserBorder)
{
view.Children.Add(new BoxView
{
BackgroundColor = isSelected ? SelectedBackgroundColor : SegmentBackgroundColor
});
}
var label = new Label
{
Text = item.Text,
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = TextAlignment,
FontSize = Device.GetNamedSize(FontSize, typeof(Label)),
TextColor = isSelected ? SelectedTextColor : SegmentTextColor,
Margin = TextMargin,
InputTransparent = true
};
if (!UserBorder)
{
view.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
view.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
BoxView boxView = new BoxView
{
HeightRequest = 4,
BackgroundColor = Color.Transparent,
HorizontalOptions = LayoutOptions.Fill,
Color = isSelected ? SelectedBackgroundColor : Color.Transparent
};
Grid.SetRow(boxView, 1);
Grid.SetRow(label, 0);
view.Children.Add(boxView);
}
view.Children.Add(label);
item.IsSelected = isSelected;
if (item.IsSelected)
{
this.MainContent = item.Content;
}
view.GestureRecognizers.Add(new TapGestureRecognizer()
{
Command = TapGestureCommand,
CommandParameter = item
});
return(view);
}
