public static FlingAdapterRegistration InjectFlingAdapter <T>(
this AbsListView container,
IList <T> items,
Func <int, View> containerTemplate,
Action <View, int, T> dataTemplateBasic,
Action <View, int, T> dataTemplateFling,
Action <View, int, T> dataTemplateFull,
View footer = null,
bool skipBugFix = false)
where T : class
{
var registration = new FlingAdapterRegistration(container);
container.MakeFlingAware(b =>
{
if (registration.FlingState == b)
{
return;
}
registration.FlingState = b;
if (!b)
{
for (int i = 0; i < container.ChildCount; i++)
{
var view = container.GetChildAt(i);
var item = view.Tag.Unwrap <T>();
if (view.Tag?.ToString() == "Footer")
{
continue;
}
dataTemplateFull(view, items.IndexOf(item), item);
}
}
});
container.Adapter = items.GetAdapter((i, arg2, arg3) =>
{
var root = arg3 ?? containerTemplate(i);
root.Tag = arg2.Wrap();
dataTemplateBasic?.Invoke(root, i, arg2);
if (registration.FlingState)
{
dataTemplateFling(root, i, arg2);
}
else
{
dataTemplateFull(root, i, arg2);
}
return(root);
});
return(registration);
}
public static void InjectFlingAdapter <T>(this AbsListView container, IList <T> items,
Action <View, T> dataTemplateFull, Action <View, T> dataTemplateFling,
Func <View> containerTemplate) where T : class
{
if (!FlingStates.ContainsKey(container))
{
FlingStates.Add(container, false);
}
container.MakeFlingAware(b =>
{
if (FlingStates[container] == b)
{
return;
}
FlingStates[container] = b;
if (!b)
{
for (int i = 0; i < container.ChildCount; i++)
{
var view = container.GetChildAt(i);
dataTemplateFull(view, view.Tag.Unwrap <T>());
}
}
});
container.Adapter = items.GetAdapter((i, arg2, arg3) =>
{
var root = arg3 ?? containerTemplate();
root.Tag = arg2.Wrap();
if (FlingStates[container])
{
dataTemplateFling(root, arg2);
}
else
{
dataTemplateFull(root, arg2);
}
return(root);
});
}
public static void InjectFlingAdapter <T, TViewHolder>(this AbsListView container, IList <T> items, Func <View, TViewHolder> holderFactory,
Action <View, int, T, TViewHolder> dataTemplateFull, Action <View, int, T, TViewHolder> dataTemplateFling,
Action <View, int, T, TViewHolder> dataTemplateBasic, Func <int, View> containerTemplate, View footer = null, bool skipBugFix = false, Action onScrolled = null) where T : class
{
if (!FlingStates.ContainsKey(container))
{
FlingStates.Add(container, false);
}
if (!ViewHolders.ContainsKey(container))
{
ViewHolders.Add(container, new Dictionary <View, object>());
}
if (onScrolled == null)
{
container.MakeFlingAware(b =>
{
if (FlingStates[container] == b)
{
return;
}
FlingStates[container] = b;
if (!b)
{
for (int i = 0; i < container.ChildCount; i++)
{
var view = container.GetChildAt(i);
var item = view.Tag.Unwrap <T>();
if (view.Tag?.ToString() == "Footer")
{
continue;
}
dataTemplateFull(view, items.IndexOf(item), item, (TViewHolder)ViewHolders[container][view]);
}
}
});
}
else
{
container.MakeFlingAware(b =>
{
onScrolled.Invoke();
if (FlingStates[container] == b)
{
return;
}
FlingStates[container] = b;
if (!b)
{
for (int i = 0; i < container.ChildCount; i++)
{
var view = container.GetChildAt(i);
var item = view.Tag.Unwrap <T>();
if (view.Tag?.ToString() == "Footer")
{
continue;
}
dataTemplateFull(view, items.IndexOf(item), item, (TViewHolder)ViewHolders[container][view]);
}
}
});
}
if (footer == null)
{
container.Adapter = items.GetAdapter((i, arg2, arg3) =>
{
TViewHolder holder;
View root = null;
if (arg3 == null)
{
root = containerTemplate(i);
ViewHolders[container][root] = holder = holderFactory(root);
}
else
{
root = arg3;
holder = (TViewHolder)ViewHolders[container][root];
}
root.Tag = arg2.Wrap();
dataTemplateBasic.Invoke(root, i, arg2, holder);
if (FlingStates[container])
{
dataTemplateFling(root, i, arg2, holder);
}
else
{
dataTemplateFull(root, i, arg2, holder);
}
return(root);
});
}
else
{
container.Adapter = items.GetAdapter((i, arg2, arg3) =>
{
TViewHolder holder;
View root = null;
if (arg3 == null)
{
root = containerTemplate(i);
ViewHolders[container][root] = holder = holderFactory(root);
}
else
{
root = arg3;
holder = (TViewHolder)ViewHolders[container][root];
}
root.Tag = arg2.Wrap();
if (FlingStates[container])
{
dataTemplateFling(root, i, arg2, holder);
}
else
{
dataTemplateFull(root, i, arg2, holder);
}
return(root);
}, footer, container is GridView && !skipBugFix);
}
}
public static void InjectFlingAdapter <T>(this AbsListView container, IList <T> items,
Action <View, int, T> dataTemplateFull, Action <View, int, T> dataTemplateFling,
Func <int, View> containerTemplate, Action <View, int, T> dataTemplateBasic = null, View footer = null, bool skipBugFix = false) where T : class
{
if (!FlingStates.ContainsKey(container))
{
FlingStates.Add(container, false);
}
container.MakeFlingAware(b =>
{
if (FlingStates[container] == b)
{
return;
}
FlingStates[container] = b;
if (!b)
{
for (int i = 0; i < container.ChildCount; i++)
{
var view = container.GetChildAt(i);
var item = view.Tag.Unwrap <T>();
if (view.Tag?.ToString() == "Footer")
{
continue;
}
dataTemplateFull(view, items.IndexOf(item), item);
}
}
});
if (footer == null)
{
container.Adapter = items.GetAdapter((i, arg2, arg3) =>
{
var root = arg3 ?? containerTemplate(i);
root.Tag = arg2.Wrap();
dataTemplateBasic?.Invoke(root, i, arg2);
if (FlingStates[container])
{
dataTemplateFling(root, i, arg2);
}
else
{
dataTemplateFull(root, i, arg2);
}
return(root);
});
}
else
{
container.Adapter = items.GetAdapter((i, arg2, arg3) =>
{
var root = arg3 ?? containerTemplate(i);
root.Tag = arg2.Wrap();
if (FlingStates[container])
{
dataTemplateFling(root, i, arg2);
}
else
{
dataTemplateFull(root, i, arg2);
}
return(root);
}, footer, container is GridView && !skipBugFix);
}
}
public static FlingAdapterRegistration <TViewHolder> InjectFlingAdapter <T, TViewHolder>(
this AbsListView container,
IList <T> items,
Func <View, TViewHolder> holderFactory,
Func <int, View> containerTemplate,
Action <View, int, T, TViewHolder> dataTemplateBasic,
Action <View, int, T, TViewHolder> dataTemplateFling,
Action <View, int, T, TViewHolder> dataTemplateFull,
View footer = null,
bool skipBugFix = false,
Action onScrolled = null)
where T : class
{
var registration = new FlingAdapterRegistration <TViewHolder>(container);
if (onScrolled == null)
{
container.MakeFlingAware(b =>
{
if (registration.FlingState == b)
{
return;
}
registration.FlingState = b;
if (!b)
{
for (int i = 0; i < container.ChildCount; i++)
{
var view = container.GetChildAt(i);
var item = view.Tag.Unwrap <T>();
if (view.Tag?.ToString() == "Footer")
{
continue;
}
dataTemplateFull(view, items.IndexOf(item), item, registration.ViewHolders[view]);
}
}
});
}
else
{
container.MakeFlingAware(b =>
{
onScrolled.Invoke();
if (registration.FlingState == b)
{
return;
}
registration.FlingState = b;
if (!b)
{
for (int i = 0; i < container.ChildCount; i++)
{
var view = container.GetChildAt(i);
var item = view.Tag.Unwrap <T>();
if (view.Tag?.ToString() == "Footer")
{
continue;
}
dataTemplateFull(view, items.IndexOf(item), item, registration.ViewHolders[view]);
}
}
});
}
container.Adapter = items.GetAdapter((i, arg2, arg3) =>
{
TViewHolder holder;
View root = null;
if (arg3 == null)
{
root = containerTemplate(i);
registration.ViewHolders[root] = holder = holderFactory(root);
}
else
{
root = arg3;
holder = registration.ViewHolders[root];
}
root.Tag = arg2.Wrap();
dataTemplateBasic.Invoke(root, i, arg2, holder);
if (registration.FlingState)
{
dataTemplateFling(root, i, arg2, holder);
}
else
{
dataTemplateFull(root, i, arg2, holder);
}
return(root);
});
return(registration);
}