Method OnDelete

src/effects/EqualizationCurvesDialog.cpp:335–421

Delete curve/curves

// Delete curve/curves
void EqualizationCurvesDialog::OnDelete(wxCommandEvent & WXUNUSED(event))
{
   // We could count them here
   // And then put in a 'Delete N items?' prompt.

#if 0 // 'one at a time' prompt code
   // Get the first one to be deleted
   long item = mList->GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
   // Take care, mList and mEditCurves will get out of sync as curves are deleted
   int deleted = 0;
   long highlight = -1;

   while(item >= 0)
   {
      if(item == mList->GetItemCount()-1)   //unnamed
      {
         EQUtils::DoMessageBox(mName,
            XO("You cannot delete the 'unnamed' curve."),
            XO("Can't delete 'unnamed'") );
      }
      else
      {
         // Create the prompt
         auto quest = XO("Delete '%s'?")
            .Format(mEditCurves[ item-deleted ].Name);

         // Ask for confirmation before removal
         int ans = EQUtils::DoMessageBox(mName,
            quest,
            XO("Confirm Deletion") );
         if( ans == wxYES )
         {  // Remove the curve from the array
            mEditCurves.erase( mEditCurves.begin() + (item - deleted) );
            deleted++;
         }
         else
            highlight = item-deleted;  // if user presses 'No', select that curve
      }
      // get next selected item
      item = mList->GetNextItem(item, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
   }

   if(highlight == -1)
      PopulateList(mEditCurves.size()-1);   // set 'unnamed' as the selected curve
   else
      PopulateList(highlight);   // user said 'No' to deletion
#else // 'DELETE all N' code
   int count = mList->GetSelectedItemCount();
   long item = mList->GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
   // Create the prompt
   TranslatableString quest;
   if( count > 1 )
      quest = XO("Delete %d items?").Format( count );
   else
      if( count == 1 )
         quest = XO("Delete '%s'?").Format( mEditCurves[ item ].Name );
      else
         return;