/// <summary>
/// Conditionally removes existing regions that should not remain and returns an updated
/// collection including the members of removed regions.
/// </summary>
/// <param name="codeItems">The code items.</param>
/// <returns>An updated code items collection.</returns>
private IEnumerable <BaseCodeItem> RegionsRemoveExisting(IEnumerable <BaseCodeItem> codeItems)
{
if (!Settings.Default.Reorganizing_RegionsRemoveExistingRegions)
{
return(codeItems);
}
while (true)
{
var regionsToRemove = _generateRegionLogic.GetRegionsToRemove(codeItems);
_removeRegionLogic.RemoveRegions(regionsToRemove);
var removedRegionsChildren = regionsToRemove.SelectMany(x => x.Children);
// Update the code items collection by excluding the removed regions and including those region's direct children.
codeItems = codeItems.Except(regionsToRemove).Union(removedRegionsChildren);
// If there were any nested regions in those regions that were removed, loop back over again.
if (removedRegionsChildren.Any(x => x is CodeItemRegion))
{
continue;
}
return(codeItems);
}
}
/// <summary>
/// Conditionally removes existing regions that should not remain and returns an updated
/// collection including the members of removed regions.
/// </summary>
/// <param name="codeItems">The code items.</param>
/// <returns>An updated code items collection.</returns>
private IEnumerable <BaseCodeItem> RegionsRemoveExisting(IEnumerable <BaseCodeItem> codeItems)
{
if (!Settings.Default.Reorganizing_RegionsRemoveExistingRegions)
{
return(codeItems);
}
while (true)
{
var regionsToRemove = _generateRegionLogic.GetRegionsToRemove(codeItems).ToList();
var regionsToRemoveChildren = regionsToRemove.SelectMany(x => x.Children).ToList();
var regionsToRemoveChildrenRegions = regionsToRemoveChildren.OfType <CodeItemRegion>().ToList();
// Nested regions do not track points well, so offset cursor position by 1 as a workaround.
foreach (var nestedRegion in regionsToRemoveChildrenRegions)
{
nestedRegion.StartPoint.CharRight();
nestedRegion.EndPoint.CharRight();
}
_removeRegionLogic.RemoveRegions(regionsToRemove);
// Reverse offset of cursor position for nested regions.
foreach (var nestedRegion in regionsToRemoveChildrenRegions)
{
nestedRegion.StartPoint.CharLeft();
nestedRegion.EndPoint.CharLeft();
}
// Update the code items collection by excluding the removed regions and including those region's direct children.
codeItems = codeItems.Except(regionsToRemove).Union(regionsToRemoveChildren);
// If there were any nested regions in those regions that were removed, loop back over again.
if (regionsToRemoveChildrenRegions.Any())
{
continue;
}
return(codeItems);
}
}
