public Space(ILayout layout)
{
Layout = layout;
_viewports = new List <SpaceView>();
_rootRegion = new SpaceRegion {
Rows = layout.Row, Columns = layout.Columns
};
}
private static SpaceRegion SplitRegion(SpaceRegion region, int viewRows, int viewColumns)
{
region.IsOccupied = true;
region.BottomRegion = new SpaceRegion {
PosX = region.PosX, PosY = region.PosY + viewRows, Columns = region.Columns, Rows = region.Rows - viewRows
};
region.RightRegion = new SpaceRegion {
PosX = region.PosX + viewColumns, PosY = region.PosY, Columns = region.Columns - viewColumns, Rows = viewRows
};
return(region);
}
private static SpaceRegion FindRegion(SpaceRegion region, int viewRows, int viewColumns)
{
if (region == null)
{
return(null);
}
if (region.IsOccupied)
{
var nextNode = FindRegion(region.RightRegion, viewRows, viewColumns) ?? FindRegion(region.BottomRegion, viewRows, viewColumns);
return(nextNode);
}
if (viewRows <= region.Rows && viewColumns <= region.Columns)
{
return(region);
}
return(null);
}
