src/GLViewer/GLViewer_Group.cxx

   1 // File:      GLViewer_Group.xx
   2 // Created:   March, 2005
   3 // Author:    OCC team
   4 // Copyright (C) CEA 2005
   5 //#include "GLViewerAfx.h"
   6 #include "GLViewer_Group.h"
   7 #include "GLViewer_Object.h"
   8
   9 /***************************************************************************
  10 **  Class:   GLViewer_Group
  11 **  Descr:   Group of GLViewer_Objects
  12 **  Module:  GLViewer
  13 **  Created: UI team, 25.03.05
  14 ****************************************************************************/
  15
  16 //--------------------------------------------------------------------------
  17 //Function: GLViewer_Group()
  18 //Description: constructor
  19 //--------------------------------------------------------------------------
  20 GLViewer_Group::GLViewer_Group()
  21 {
  22   mySelObjNum = 0;
  23 }
  24
  25 //--------------------------------------------------------------------------
  26 //Function: GLViewer_Group()
  27 //Description: destructor
  28 //--------------------------------------------------------------------------
  29 GLViewer_Group::~GLViewer_Group()
  30 {
  31 }
  32
  33 //--------------------------------------------------------------------------
  34 //Function: isEmpty
  35 //Description: detection of empty group
  36 //--------------------------------------------------------------------------
  37 bool GLViewer_Group::isEmpty()
  38 {
  39   return myList.empty();
  40 }
  41
  42 //--------------------------------------------------------------------------
  43 //Function: count
  44 //Description: number of elements
  45 //--------------------------------------------------------------------------
  46 int GLViewer_Group::count()
  47 {
  48   return myList.size();
  49 }
  50
  51 //--------------------------------------------------------------------------
  52 //Function: contains
  53 //Description: return the position of object, else -1
  54 //--------------------------------------------------------------------------
  55 int GLViewer_Group::contains( GLViewer_Object* theObject )
  56 {
  57   if( !theObject )
  58     return -1;
  59
  60   OGIterator it = myList.begin();
  61   OGIterator end_it = myList.end();
  62   for( int i = 0; it != end_it; ++it, i++ )
  63     if( *it == theObject )
  64       return i;
  65
  66   return -1;
  67 }
  68
  69 //--------------------------------------------------------------------------
  70 //Function: addObject
  71 //Description: adding object to group
  72 //--------------------------------------------------------------------------
  73 int GLViewer_Group::addObject( GLViewer_Object* theObject )
  74 {
  75   if( theObject && contains( theObject ) == -1 )
  76   {
  77     myList.push_back( theObject );
  78     theObject->setGroup( this );
  79   }
  80   return count();
  81 }
  82
  83 //--------------------------------------------------------------------------
  84 //Function: removeObject
  85 //Description: removing object from group
  86 //--------------------------------------------------------------------------
  87 int GLViewer_Group::removeObject( GLViewer_Object* theObject )
  88 {
  89   if( theObject )
  90   {
  91     myList.remove( theObject );
  92     //theObject->setGroup( NULL );
  93   }
  94
  95
  96   if( isEmpty() )
  97   {
  98     this->~GLViewer_Group();
  99     return -1;
 100   }
 101   else
 102     return count();
 103 }
 104
 105 //--------------------------------------------------------------------------
 106 //Function: dragingObjects
 107 //Description:
 108 //--------------------------------------------------------------------------
 109 void GLViewer_Group::dragingObjects( float x, float y )
 110 {
 111   if( !mySelObjNum )
 112   {
 113     OGIterator it = myList.begin();
 114     OGIterator end_it = myList.end();
 115     for( int i = 0; it != end_it; ++it, i++ )
 116       if( (*it)->isSelected() )
 117         mySelObjNum++;
 118
 119     if( mySelObjNum )
 120       mySelObjNum--;
 121   }
 122   else
 123   {
 124     mySelObjNum--;
 125     return;
 126   }
 127
 128   OGIterator it = myList.begin();
 129   OGIterator end_it = myList.end();
 130   for( int i = 0; it != end_it; ++it, i++ )
 131     (*it)->moveObject( x, y, true );
 132 }
 133
 134 //--------------------------------------------------------------------------
 135 //Function: updateZoom
 136 //Description:
 137 //--------------------------------------------------------------------------
 138 void GLViewer_Group::updateZoom( GLViewer_Object* sender, float zoom )
 139 {
 140   OGIterator it = myList.begin();
 141   OGIterator end_it = myList.end();
 142   for( int i = 0; it != end_it; ++it, i++ )
 143   {
 144     GLViewer_Object* anObject = *it;
 145     if( anObject != sender )
 146       anObject->setZoom( zoom, GL_TRUE );
 147   }
 148 }