internal static TItem GetItem <TItem>(Visual parent, string[] headerTexts, ShowNextItem <TItem> showNextItem) where TItem : Visual
{
GetItemDelegate <TItem, string> getItem = (visual, headerText) =>
{
IsMatch <TItem> isMatch = (item) => (GetItemText(item) == headerText);
Next <TItem> next = null;
next = (v) => GetItemCore(v, isMatch, next);
return(GetItemCore(visual, isMatch, next));
};
return(GetItem <TItem, string>(parent, headerTexts, getItem, showNextItem));
}
internal static TItem GetItem <TItem>(Visual parent, int[] indices, ShowNextItem <TItem> showNextItem) where TItem : Visual
{
GetItemDelegate <TItem, int> getItem = (visual, index) =>
{
int currentIndex = 0;
IsMatch <TItem> isMatch = (v) => (currentIndex++ == index);
Next <TItem> next = null;
next = (v) => GetItemCore(v, isMatch, next);
return(GetItemCore(visual, isMatch, next));
};
return(GetItem <TItem, int>(parent, indices, getItem, showNextItem));
}
internal static TItem GetItem <TItem>(Visual parent, object[] indices, ShowNextItem <TItem> showNextItem) where TItem : Visual
{
GetItemDelegate <TItem, object> getItem = (visual, obj) =>
{
int currentIndex = 0;
IsMatch <TItem> isMatch = (v) =>
{
if (obj is int)
{
return(currentIndex++ == (int)obj);
}
else if (obj is string)
{
return(GetItemText(v) == (string)obj);
}
throw new NotSupportedException();
};
Next <TItem> next = null;
next = (v) => GetItemCore(v, isMatch, next);
return(GetItemCore(visual, isMatch, next));
};
return(GetItem <TItem, object>(parent, indices, getItem, showNextItem));
}
static TItem GetItem <TItem, T>(Visual parent, T[] indices, GetItemDelegate <TItem, T> getItem, ShowNextItem <TItem> showNextItem)
where TItem : Visual
{
Visual v = parent;
for (int i = 0; i < indices.Length; i++)
{
var item = getItem(v, indices[i]);
if (item == null)
{
throw new NotSupportedException(ResourcesLocal3.Instance.ErrorNotFoundItem);
}
if (i == indices.Length - 1)
{
return(item);
}
showNextItem(item);
v = item;
}
return(null);
}
