#include "creaImageIOSimpleView.h"

namespace creaImageIO
{

	bool SimpleView::readFile(std::vector<std::string> i_filenames, std::vector<vtkImageData *> &i_img)
	{
			bool bresult, bfinal = true;
			ImageReader *mReader = new ImageReader();
			std::vector<std::string>::iterator it = i_filenames.begin();
			for (; it != i_filenames.end(); it++)
			{
				bresult = mReader->CanRead((*it).c_str());
				if(bresult)
				{
					i_img.push_back(mReader->ReadImage((*it).c_str()));
				}
				else
				{
					bfinal = false;
				}
			}
			delete mReader;
			return bfinal;
			
	}

	bool SimpleView::readDirectory(const std::string i_pathname, std::vector<vtkImageData *> &i_imgs)
	{
			bool bresult = true;
			ImageReader *mReader = new ImageReader();
                        std::vector<std::string> names;
			bresult = boost::filesystem::exists( i_pathname );
			if (bresult)
			{
				boost::filesystem::directory_iterator itr(i_pathname);
				boost::filesystem::directory_iterator end_itr; 
				for(;itr != end_itr; ++itr)
				{
					if (!boost::filesystem::is_directory(itr->status()))
					{
						if( mReader->CanRead(itr->string()) )
						{
							names.push_back(itr->string()); 
						}
					}
				}
				std::sort (names.begin(), names.end()); // make sure names are in lexicographical order
				int lgr = names.size();
				
				for(int i=0; i<lgr; i++)
				{
				   i_imgs.push_back( mReader->ReadImage(names[i]) );  
				}			
			}
			return bresult;
	}
}