/*
* NIST STEP Editor Class Library
* cleditor/mgrnodelist.cc
* April 1997
* David Sauder
* K. C. Morris

* Development of this software was funded by the United States Government,
* and is not subject to copyright.
*/

/* $Id: mgrnodelist.cc,v 3.0.1.2 1997/11/05 22:11:39 sauderd DP3.1 $ */

#include "clstepcore/mgrnode.h"
#include "clstepcore/mgrnodelist.h"
#include "clstepcore/dispnode.h"
#include "clstepcore/dispnodelist.h"

MgrNodeList::MgrNodeList( stateEnum type ) : GenNodeList( new MgrNode() ) {
//    if(debug_level >= PrintFunctionTrace)
//  cout << "MgrNodeList::MgrNodeList()\n";
    listType = type;
    ( ( MgrNode * )head )->currState = type;
}

void MgrNodeList::Remove( GenericNode * node ) {
//    if(debug_level >= PrintFunctionTrace)
//  cout << "MgrNodeList::Remove()\n";
    GenNodeList::Remove( node );
// DON'T DO THIS    ((MgrNode *)node)->currState = noStateSE;
}

// deletes node from its previous list & appends...
// actually it puts it at the front of the list.
void MgrNodeList::Append( GenericNode * node ) {
    InsertBefore( node, head );
}

// deletes newNode from its previous list & inserts after
//  existNode
void MgrNodeList::InsertAfter( GenericNode * newNode,
                               GenericNode * existNode ) {
    if( newNode->next != 0 ) { // remove the node from its previous list
        newNode->Remove();
    }
    GenNodeList::InsertAfter( newNode, existNode );
// DON'T DO THIS    ((MgrNode *)newNode)->currState = listType;
}

// deletes newNode from its previous list & inserts before
//  existNode
void MgrNodeList::InsertBefore( GenericNode * newNode,
                                GenericNode * existNode ) {
    if( newNode->next != 0 ) { // remove the node from its previous
        newNode->Remove();  //  state list
    }
    GenNodeList::InsertBefore( newNode, existNode );
// DON'T DO THIS!!    ((MgrNode *)newNode)->currState = listType;
}

MgrNode * MgrNodeList::FindFileId( int fileId ) {
    MgrNode * mn = ( MgrNode * )head->next;
    while( mn != head ) {
        if( mn->GetFileId() == fileId ) {
            return mn;
        }
        mn = ( MgrNode * )mn->next;
    }
    return ( MgrNode * )0;
}