// File: fmenulist.cpp
// Provides: class FMenuList

#include "fmenulist.h"

//----------------------------------------------------------------------
// class FMenuList
//----------------------------------------------------------------------

// constructor and destructor
//----------------------------------------------------------------------
FMenuList::FMenuList()
  : selectedItem()
  , itemlist()
{ }

//----------------------------------------------------------------------
FMenuList::~FMenuList()  // destructor
{
  // delete all items
  if ( ! itemlist.empty() )
  {
    std::vector<FMenuItem*>::iterator iter;
    iter = itemlist.begin();

    while ( iter != itemlist.end() )
    {
      (*iter)->setSuperMenu(0);
      iter = itemlist.erase(iter);
    }
  }
}


// public methods of FMenuList
//----------------------------------------------------------------------
void FMenuList::selectFirstItem()
{
  std::vector<FMenuItem*>::const_iterator iter, end;
  iter = itemlist.begin();
  end = itemlist.end();

  if ( itemlist.empty() )
    return;

  if ( hasSelectedItem() )
    unselectItem();

  while ( iter != end )
  {
    if ( (*iter)->isEnabled() && ! (*iter)->isSeparator() )
    {
      // select first enabled item
      (*iter)->setSelected();
      setSelectedItem(*iter);
      break;
    }
    ++iter;
  }
}

//----------------------------------------------------------------------
void FMenuList::unselectItem()
{
  if ( hasSelectedItem() )
    getSelectedItem()->unsetSelected();
  setSelectedItem(0);
}

//----------------------------------------------------------------------
void FMenuList::insert (FMenuItem* i)
{
  itemlist.push_back(i);
}

//----------------------------------------------------------------------
void FMenuList::remove (FMenuItem* i)
{
  std::vector<FMenuItem*>::iterator iter;

  if ( itemlist.empty() )
    return;

  iter = itemlist.begin();
  while ( iter != itemlist.end() )
  {
    if ( (*iter) == i )
    {
      iter = itemlist.erase(iter);
      i->setSuperMenu(0);
      break;
    }
    else
      ++iter;
  }
}

//----------------------------------------------------------------------
void FMenuList::remove (int pos)
{
  if ( int(count()) < pos )
    return;

  itemlist.erase (itemlist.begin()+pos-1);
}

//----------------------------------------------------------------------
void FMenuList::clear()
{
  itemlist.clear();
}