Method Execute

Engine/source/platform/nativeDialogs/fileDialog.cpp:191–324

Execute Method

// Execute Method
//
bool FileDialog::Execute()
{
   String strippedFilters;

   U32 filtersCount = StringUnit::getUnitCount(mData.mFilters, "|");

   for (U32 i = 1; i < filtersCount; ++i)
   {
      //The first of each pair is the name, which we'll skip because NFD doesn't support named filters atm
      String filter = StringUnit::getUnit(mData.mFilters, i, "|");

      if (!String::compare(filter.c_str(), "*.*"))
         continue;

      U32 subFilterCount = StringUnit::getUnitCount(filter, ";");

      //if we have a 'super filter', break it down to sub-options as well
      if (subFilterCount > 1)
      {
         String suffixFilter;
         String subFilters;

         for (U32 f = 0; f < subFilterCount; ++f)
         {
            String subFilter = StringUnit::getUnit(filter, f, ";");

            suffixFilter += String::ToLower(subFilter) + "," + String::ToUpper(subFilter) + ",";
            subFilters += String::ToLower(subFilter) + "," + String::ToUpper(subFilter) + ";";
         }

         suffixFilter = suffixFilter.substr(0, suffixFilter.length() - 1);
         suffixFilter += ";";

         strippedFilters += suffixFilter + subFilters;
      }
      else //otherwise, just add the filter
      {
         strippedFilters += String::ToLower(filter) + "," + String::ToUpper(filter) + ";";
      }

      ++i;
      if (i < filtersCount - 2)
         strippedFilters += String(";");
   }

   //strip the last character, if it's unneeded
   if (strippedFilters.endsWith(";"))
   {
      strippedFilters = strippedFilters.substr(0, strippedFilters.length() - 1);
   }

   strippedFilters.replace("*.", "");

   // Get the current working directory, so we can back up to it once Windows has
   // done its craziness and messed with it.
   StringTableEntry cwd = Platform::getCurrentDirectory();
   if (mData.mDefaultPath == StringTable->lookup("") || !Platform::isDirectory(mData.mDefaultPath))
      mData.mDefaultPath = cwd;