GLIMSView Source Code Documentation

GlacierLineHistory.h

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#if !defined(_GLACIERLINEHISTORY_H_)
#define _GLACIERLINEHISTORY_H_

#include <stack>
#include "glimslinedata.h"
#include "TraceLog.h"

enum HistoryAction {
  noAction,                  
  deletedNode, deletedLine,  
  addedNode, addedLine,      
  insertedNode,              
  movedNode,                 
  joinedLines,               
  brokeLine,                 
  selection                  
} ;

class GlacierLineHistoryElement {

private:
  Shape *       mGlacierLineComponent ; 

  int           mLineIndex ;            
  int           mNodeIndex ;            

  HistoryAction mAction ;               

public:
  GlacierLineHistoryElement() {
    mGlacierLineComponent = NULL ;
    mLineIndex = -1 ;
    mNodeIndex = -1 ;
    mAction = noAction ;
  }

  GlacierLineHistoryElement(GlacierLine & shp, int iline, int inode, HistoryAction action) {

    GlacierLine * newLine = new GlacierLine ;
    (*newLine) = shp ;
    mGlacierLineComponent = newLine ;

    mLineIndex = iline ;
    mNodeIndex = inode ;
    mAction    = action ;

  }

  GlacierLineHistoryElement(Node & shp, int iline, int inode, HistoryAction action) {
    Node * newNode = new Node ;
    (*newNode) = shp ;
    mGlacierLineComponent = newNode ;
    mLineIndex = iline ;
    mNodeIndex = inode ;
    mAction    = action ;
  }

  virtual ~GlacierLineHistoryElement() {}

  HistoryAction getAction    ()                        { return mAction ; }
  void          setAction    (HistoryAction newAction) { mAction = newAction ; }

  Shape *       getShape     ()                 { return mGlacierLineComponent ; }

  void          setShape     (GlacierLine * newShape) {
    GlacierLine * newLine = new GlacierLine ;
    (*newLine) = (*newShape) ;
    mGlacierLineComponent = newLine ;
  }

  void          setShape     (Node * newShape) {
    Node * newNode = new Node ;
    (*newNode) = (*newShape) ;
    mGlacierLineComponent = newNode ;
  }

  int           getLineIndex ()       { return mLineIndex ; }
  void          setLineIndex (int li) { mLineIndex = li; }

  int           getNodeIndex ()       { return mNodeIndex ; }
  void          setNodeIndex (int ni) { mNodeIndex = ni ; }

} ;

class GlacierLineHistory {
private:
  stack <GlacierLineHistoryElement*> mHistory  ;

public:
  GlacierLineHistory() {;}
  virtual ~GlacierLineHistory() {;}

  void push (GlacierLine & shp, int iline, int inode, HistoryAction action) {
    GlacierLineHistoryElement * newElem = new GlacierLineHistoryElement (shp, iline, inode, action) ;
    mHistory.push (newElem) ;
  }

  void push (Node & shp, int iline, int inode, HistoryAction action) {
    GlacierLineHistoryElement * newElem = new GlacierLineHistoryElement (shp, iline, inode, action) ;
    mHistory.push (newElem) ;
  }

  void push (GlacierLineHistoryElement * historyElement) {
    mHistory.push (historyElement) ;
  }

  GlacierLineHistoryElement * pop () {
    if (mHistory.size()) {
      GlacierLineHistoryElement * element = mHistory.top () ;
      mHistory.pop () ;
      return element ;
    }
    else return NULL ;
  }

  GlacierLineHistoryElement * peek () {
    if (mHistory.size()) {
      GlacierLineHistoryElement * element = mHistory.top () ;
      return element ;
    }
    else return NULL ;
  }

  void clear () {
    for (unsigned int i = 0 ; i < mHistory.size() ; i++) {
      mHistory.pop() ;
    }
  }

  int size() {
    return mHistory.size() ;
  }

};

#endif // !defined(_GLACIERLINEHISTORY_H_)

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