public static ScreenItemInstance FindItem(
this IScreenItem item, IScreenLoc Start, IScreenLoc FindZeroLoc,
ScreenContent Content)
{
ScreenItemInstance findItem = null;
if (item.ItemType == ShowItemType.Section)
{
var sectionItem = item as IScreenSection;
findItem = sectionItem.FindItem(Start, FindZeroLoc, Content);
}
else
{
// adjust screen loc of the item by start pos of the section it is contained in.
var adjRow = Start.RowNum - 1;
var adjCol = Start.ColNum - 1;
var loc = new OneScreenLoc(
item.ScreenLoc.RowNum + adjRow, item.ScreenLoc.ColNum + adjCol);
var zeroLoc = loc.ToZeroRowCol();
var itemAtomic = item as IScreenAtomic;
var range = new ScreenLocRange(zeroLoc, itemAtomic.Length, Content.ScreenDim);
if (range.Contains(FindZeroLoc) == true)
findItem = new ScreenItemInstance(item, range.From);
}
return findItem;
}
public static ContentItemBase GetContentItem(this ScreenContent Content, IScreenLoc loc)
{
ContentItemBase foundItem = null;
foreach (var contentItem in Content.ContentItems())
{
var itemLoc = contentItem.RowCol as IScreenLoc;
var range = new ScreenLocRange(
itemLoc, contentItem.GetItemLength(Content), Content.ScreenDim);
if (range.Contains(loc))
{
foundItem = contentItem;
break;
}
}
return(foundItem);
}