private SegmentItem GetSegmentItem(object data)
{
SegmentItem item = null;
if (data is SegmentItem)
{
item = (SegmentItem)data;
}
else
{
item = new SegmentItem();
var view = (View)this.ItemTemplate.CreateContent();
if (view is SegmentItem)
{
item = (SegmentItem)view;
}
else
{
item.Content = view;
}
item.BindingContext = data;
}
item.HorizontalOptions = LayoutOptions.FillAndExpand;
item.VerticalOptions = LayoutOptions.FillAndExpand;
item.Content.HorizontalOptions = LayoutOptions.Center;
item.Content.VerticalOptions = LayoutOptions.Center;
TapBinder.SetCmd(item, this.SelectedCmd);
TapBinder.SetParam(item, item);
return(item);
}
public Segment()
{
this.Container = new Grid()
{
ColumnSpacing = 0
};
this.Content = this.Container;
this.SelectedCmd = new Command((o) => {
var item = (SegmentItem)o;
if (this.IsMutliSelectable)
{
if (this.SelectedItems.Contains(item.Value))
{
this.SelectedItems.Remove(item.Value);
item.BackgroundColor = Color.Transparent;
item.IsSelected = false;
//item.ControlTemplate = null;
}
else
{
this.SelectedItems.Add(item.Value);
item.BackgroundColor = this.SelectedItemBackgroundColor;
item.IsSelected = true;
//item.ControlTemplate = this.SelectedItemControlTemplate;
}
}
else
{
if (this.SelectedSegment != null)
{
this.SelectedSegment.BackgroundColor = Color.Transparent;
this.SelectedSegment.IsSelected = false;
//item.ControlTemplate = null;
}
this.SelectedItem = item.Value;
this.SelectedSegment = item;
item.BackgroundColor = this.SelectedItemBackgroundColor;
item.IsSelected = true;
//item.ControlTemplate = this.SelectedItemControlTemplate;
}
});
new NotifyCollectionWrapper(this.Items,
add: (datas, idx) => this.Add(datas, idx),
remove: (datas, idx) => this.Remove(datas, idx),
reset: () => this.Reset(),
finished: () => { });
}