src/GLViewer/GLViewer_Group.cxx

   1 // File:      GLViewer_Group.xx
   2 // Created:   March, 2005
   3 // Author:    OCC team
   4 // Copyright (C) CEA 2005
   5
   6 //#include "GLViewerAfx.h"
   7 #include "GLViewer_Group.h"
   8 #include "GLViewer_Object.h"
   9
  10 /***************************************************************************
  11 **  Class:   GLViewer_Group
  12 **  Descr:   Group of GLViewer_Objects
  13 **  Module:  GLViewer
  14 **  Created: UI team, 25.03.05
  15 ****************************************************************************/
  16
  17 //--------------------------------------------------------------------------
  18 //Function: GLViewer_Group()
  19 //Description: constructor
  20 //--------------------------------------------------------------------------
  21 GLViewer_Group::GLViewer_Group()
  22 {
  23   mySelObjNum = 0;
  24 }
  25
  26 //--------------------------------------------------------------------------
  27 //Function: GLViewer_Group()
  28 //Description: destructor
  29 //--------------------------------------------------------------------------
  30 GLViewer_Group::~GLViewer_Group()
  31 {
  32 }
  33
  34 //--------------------------------------------------------------------------
  35 //Function: isEmpty
  36 //Description: detection of empty group
  37 //--------------------------------------------------------------------------
  38 bool GLViewer_Group::isEmpty()
  39 {
  40   return myList.empty();
  41 }
  42
  43 //--------------------------------------------------------------------------
  44 //Function: count
  45 //Description: number of elements
  46 //--------------------------------------------------------------------------
  47 int GLViewer_Group::count()
  48 {
  49   return myList.size();
  50 }
  51
  52 //--------------------------------------------------------------------------
  53 //Function: contains
  54 //Description: return the position of object, else -1
  55 //--------------------------------------------------------------------------
  56 int GLViewer_Group::contains( GLViewer_Object* theObject )
  57 {
  58   if( !theObject )
  59     return -1;
  60
  61   OGIterator it = myList.begin();
  62   OGIterator end_it = myList.end();
  63   for( int i = 0; it != end_it; ++it, i++ )
  64     if( *it == theObject )
  65       return i;
  66
  67   return -1;
  68 }
  69
  70 //--------------------------------------------------------------------------
  71 //Function: addObject
  72 //Description: adding object to group
  73 //--------------------------------------------------------------------------
  74 int GLViewer_Group::addObject( GLViewer_Object* theObject )
  75 {
  76   if( theObject && contains( theObject ) == -1 )
  77   {
  78     myList.push_back( theObject );
  79     theObject->setGroup( this );
  80   }
  81   return count();
  82 }
  83
  84 //--------------------------------------------------------------------------
  85 //Function: removeObject
  86 //Description: removing object from group
  87 //--------------------------------------------------------------------------
  88 int GLViewer_Group::removeObject( GLViewer_Object* theObject )
  89 {
  90   if( theObject )
  91   {
  92     myList.remove( theObject );
  93     //theObject->setGroup( NULL );
  94   }
  95
  96
  97   if( isEmpty() )
  98   {
  99     this->~GLViewer_Group();
 100     return -1;
 101   }
 102   else
 103     return count();
 104 }
 105
 106 //--------------------------------------------------------------------------
 107 //Function: dragingObjects
 108 //Description:
 109 //--------------------------------------------------------------------------
 110 void GLViewer_Group::dragingObjects( float x, float y, bool once )
 111 {
 112   if( !once )
 113   {
 114     if( !mySelObjNum )
 115     {
 116       OGIterator it = myList.begin();
 117       OGIterator end_it = myList.end();
 118       for( int i = 0; it != end_it; ++it, i++ )
 119         if( (*it)->isSelected() )
 120           mySelObjNum++;
 121
 122       if( mySelObjNum )
 123         mySelObjNum--;
 124     }
 125     else
 126     {
 127       mySelObjNum--;
 128       return;
 129     }
 130   }
 131
 132   OGIterator it = myList.begin();
 133   OGIterator end_it = myList.end();
 134   for( int i = 0; it != end_it; ++it, i++ )
 135     (*it)->moveObject( x, y, true );
 136 }
 137
 138 //--------------------------------------------------------------------------
 139 //Function: updateZoom
 140 //Description:
 141 //--------------------------------------------------------------------------
 142 void GLViewer_Group::updateZoom( GLViewer_Object* sender, float zoom )
 143 {
 144   OGIterator it = myList.begin();
 145   OGIterator end_it = myList.end();
 146   for( int i = 0; it != end_it; ++it, i++ )
 147   {
 148     GLViewer_Object* anObject = *it;
 149     if( anObject != sender )
 150       anObject->setZoom( zoom, true, true );
 151   }
 152 }