Function GetFilteredSetForIDataObject

trunk/win/Source/BT_Util.cpp:6063–6139

}

StrList GetFilteredSetForIDataObject(vector<BumpObject *>& selection, IShellFolder2 ** psfOut)
{
	QDir userDesktop(winOS->GetSystemPath(DesktopDirectory));
	QDir allUsersDesktop(winOS->GetSystemPath(AllUsersDesktopDir));

	bool hasPrevSourceDir = false; 
	QDir prevSourceDir;
	StrList filePaths;
	for (int i = 0; i < selection.size();)
	{
		ObjectType objType = selection[i]->getObjectType();
		if (objType == ObjectType(BumpPile, HardPile))
		{
			selection.erase(selection.begin() + i);
			// don't increment i, since we've erased the item at i
		}
		else if (objType == ObjectType(BumpPile, SoftPile))
		{
			Pile * p = dynamic_cast<Pile *>(selection[i]);
			selection.erase(selection.begin() + i);
			// don't increment i, since we've erased the item at i

			vector<BumpObject *> pileItems = p->getPileItems();
			for (vector<BumpObject *>::iterator pIter = pileItems.begin(); 
				pIter != pileItems.end(); pIter++)
			{
				// NOTE: this is not a typo, we are pushing back to the end of the 
				// selection, so that it is handled recursively if necessary
				selection.push_back(*pIter);
			}
		}
		else if ((objType == ObjectType(BumpActor, FileSystem)) && 
				!(objType == ObjectType(BumpActor, FileSystem, Virtual)))
		{
			QString filePath(dynamic_cast<FileSystemActor *>(selection[i])->getFullPath());
			QDir filePathBranch = parent(filePath);
			filePaths.push_back(filePath);
			if (hasPrevSourceDir && (filePathBranch != prevSourceDir))
			{
				// ERROR, we've found a mixed selection (items from the desktop and a subfolder)
				// notify the user and return

				// NOTE: it will still fail for instances where the desktops are not the same
				// if (!( (filePathBranch == userDesktop || filePathBranch == allUsersDesktop) &&
				// 	   (prevSourceDir == userDesktop || prevSourceDir == allUsersDesktop) ))
				{
					MessageClearPolicy clearPolicy;
					clearPolicy.setTimeout(4);
					Message * message = new Message("GetFilteredSetForIDataObject", 
						BtUtilStr->getString("ErrorMultipleSources"), Message::Warning, clearPolicy);
					scnManager->messages()->addMessage(message);
					selection.clear();
					return StrList();
				}
			}
			prevSourceDir = filePathBranch;
			hasPrevSourceDir = true;
			++i;