/// -----------------------------------------------------------------------------------
/// <summary>
/// Check to see if this file overlaps any other files. Resolve the conflict and
/// insert this file if it is ok.
/// </summary>
/// <param name="fileToAdd"></param>
/// <returns>true if fileToAdd should be inserted into the list, else false</returns>
/// ------------------------------------------------------------------------------------
private bool CheckForOverlaps(IScrImportFileInfo fileToAdd)
{
if (m_resolver == null)
{
return(true);
}
List <IScrImportFileInfo> removedList = new List <IScrImportFileInfo>();
foreach (IScrImportFileInfo file2 in this)
{
if (ScrImportFileInfo.CheckForOverlap(fileToAdd, file2))
{
IScrImportFileInfo removedFile;
// TE-4808: First make sure file2 is still accessible. If not, just let
// the added file replace it quietly.
if (file2.IsStillReadable)
{
removedFile = m_resolver.ChooseFileToRemove(fileToAdd, file2);
// If we're removing the file being added, no need to continue looking for overlaps
if (removedFile == fileToAdd)
{
return(false);
}
}
else
{
removedFile = file2;
}
removedList.Add(removedFile);
}
}
// Remove all of the overlapping files from the import files collection
// that we decided we didn't want.
foreach (IScrImportFileInfo file in removedList)
{
Remove(file);
}
return(true);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Check all files in the given reference range to see if there are any reference
/// overlaps. If so, resolve the conflict.
/// </summary>
/// <param name="start">Start reference</param>
/// <param name="end">End Reference</param>
/// ------------------------------------------------------------------------------------
internal void CheckForOverlappingFilesInRange(ScrReference start, ScrReference end)
{
List <IScrImportFileInfo> removedList = new List <IScrImportFileInfo>();
foreach (IScrImportFileInfo file1 in this)
{
if (removedList.Contains(file1))
{
continue;
}
foreach (ReferenceRange range in file1.BookReferences)
{
if (range.OverlapsRange(start, end))
{
foreach (IScrImportFileInfo file2 in this)
{
if (file1 == file2 || removedList.Contains(file2))
{
continue;
}
if (ScrImportFileInfo.CheckForOverlap(file1, file2))
{
Debug.Assert(m_resolver != null, "Must set OverlappingFileResolver before calling CheckForOverlappingFilesInRange.");
removedList.Add(m_resolver.ChooseFileToRemove(file1, file2));
}
}
}
}
}
// Remove all of the overlapping files from the import files collection
// that we decided we didn't want.
foreach (IScrImportFileInfo file in removedList)
{
Remove(file);
}
}