public override View GetView(int position, View convertView, ViewGroup parent)
{
//View view = convertView ?? inflater.Inflate(layoutId, parent, false);
View view;
try
{
view = convertView ?? inflater.Inflate(layoutId, parent, false);
}
catch (Exception ex)
{
Console.WriteLine(ex);
throw;
}
TItem item = this[position];
XmlBindingApplicator applicator;
if (convertView == null ||
!bindingsDictionary.TryGetValue(view, out applicator))
{
applicator = new XmlBindingApplicator();
}
else
{
applicator.RemoveBindings();
}
applicator.ApplyBindings(view, item, layoutId);
bindingsDictionary[view] = applicator;
return(view);
}
public BoundViewData(
XmlBindingApplicator applicator,
object dataContext)
{
Applicator = applicator;
DataContext = dataContext;
}
public override View GetChildView(
int groupPosition, int childPosition,
bool isLastChild, View convertView, ViewGroup parent)
{
var view = convertView;
var item = groupings[groupPosition][childPosition];
int layoutId = getLayoutIdFunc(item);
if (view == null)
{
view = inflater.Inflate(/*Resource.Layout.OptionTemplate_Boolean*/ layoutId, null);
}
else
{
if (bindingsDictionary.TryGetValue(view, out BoundViewData viewData))
{
var currentDataContext = viewData.DataContext;
if (currentDataContext != null && currentDataContext.Equals(item) &&
viewData.Applicator.HasBindings)
{
return(view);
}
viewData.Applicator.RemoveBindings();
/* If the item is not of the same type, do not reuse the view. */
if (viewData.DataContext.GetType() != item.GetType())
{
view = inflater.Inflate(layoutId, null);
}
}
}
var applicator = new XmlBindingApplicator();
applicator.ApplyBindings(view, item, layoutId);
bindingsDictionary[view] = new BoundViewData(applicator, item);
reverseLookup[item] = view;
return(view);
}
public override View GetGroupView(
int groupPosition, bool isExpanded, View convertView, ViewGroup parent)
{
var view = convertView;
var group = groupings[groupPosition];
if (view == null)
{
view = inflater.Inflate(groupHeaderLayoutId, null);
}
else
{
if (bindingsDictionary.TryGetValue(
view, out BoundViewData viewData))
{
var currentDataContext = viewData.DataContext;
if (currentDataContext != null && currentDataContext.Equals(group) &&
viewData.Applicator.HasBindings)
{
return(view);
}
viewData.Applicator.RemoveBindings();
if (viewData.DataContext.GetType() != group.GetType())
{
view = inflater.Inflate(groupHeaderLayoutId, null);
}
}
}
var applicator = new XmlBindingApplicator();
applicator.ApplyBindings(view, group, groupHeaderLayoutId);
bindingsDictionary[view] = new BoundViewData(applicator, group);
reverseLookup[group] = view;
return(view);
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
View view = convertView ?? inflater.Inflate(layoutId, parent, false);
TItem item = this[position];
XmlBindingApplicator applicator;
if (!bindingsDictionary.TryGetValue(view, out applicator))
{
applicator = new XmlBindingApplicator();
}
else
{
applicator.RemoveBindings();
}
applicator.ApplyBindings(view, item, layoutId);
return(view);
}
