kvoctrain/kvoctrain/kvt-core/MultipleChoice.cpp

   1 /***************************************************************************
   2
   3     $Id$
   4
   5               manage multiple choice suggestions for queries
   6
   7     -----------------------------------------------------------------------
   8
   9     begin                : Mon Oct 29 18:09:29 1999
  10
  11     copyright            : (C) 1999-2001 Ewald Arnold
  12                            (C) 2001 The KDE-EDU team
  13     email                : kvoctrain@ewald-arnold.de
  14
  15     -----------------------------------------------------------------------
  16
  17  ***************************************************************************/
  18
  19 /***************************************************************************
  20  *                                                                         *
  21  *   This program is free software; you can redistribute it and/or modify  *
  22  *   it under the terms of the GNU General Public License as published by  *
  23  *   the Free Software Foundation; either version 2 of the License, or     *
  24  *   (at your option) any later version.                                   *
  25  *                                                                         *
  26  ***************************************************************************/
  27
  28 #include "MultipleChoice.h"
  29
  30 MultipleChoice::MultipleChoice (
  31            const QString &mc1,
  32            const QString &mc2,
  33            const QString &mc3,
  34            const QString &mc4,
  35            const QString &mc5
  36           )
  37 {
  38    setMC1 (mc1);
  39    setMC2 (mc2);
  40    setMC3 (mc3);
  41    setMC4 (mc4);
  42    setMC5 (mc5);
  43 }
  44
  45
  46 bool MultipleChoice::isEmpty() const
  47 {
  48   return   muc1.stripWhiteSpace().isEmpty()
  49         && muc2.stripWhiteSpace().isEmpty()
  50         && muc3.stripWhiteSpace().isEmpty()
  51         && muc4.stripWhiteSpace().isEmpty()
  52         && muc5.stripWhiteSpace().isEmpty();
  53 }
  54
  55
  56 void MultipleChoice::clear()
  57 {
  58    muc1 = "";
  59    muc2 = "";
  60    muc3 = "";
  61    muc4 = "";
  62    muc5 = "";
  63 }
  64
  65
  66 QString MultipleChoice::mc (unsigned idx) const
  67 {
  68    switch (idx) {
  69      case 0: return muc1;
  70      case 1: return muc2;
  71      case 2: return muc3;
  72      case 3: return muc4;
  73      case 4: return muc5;
  74    }
  75    return "";
  76 }
  77
  78
  79 unsigned MultipleChoice::size()
  80 {
  81    normalize();
  82    unsigned num = 0;
  83    if (!muc1.isEmpty() )
  84      ++num;
  85    if (!muc2.isEmpty() )
  86      ++num;
  87    if (!muc3.isEmpty() )
  88      ++num;
  89    if (!muc4.isEmpty() )
  90      ++num;
  91    if (!muc5.isEmpty() )
  92      ++num;
  93    return num;
  94 }
  95
  96
  97 void MultipleChoice::normalize()
  98 {
  99   // fill from first to last
 100
 101   if (muc1.isEmpty()) {
 102     muc1 = muc2;
 103     muc2 = "";
 104   }
 105
 106   if (muc2.isEmpty()) {
 107     muc2 = muc3;
 108     muc3 = "";
 109   }
 110
 111   if (muc3.isEmpty()) {
 112     muc3 = muc4;
 113     muc4 = "";
 114   }
 115
 116   if (muc4.isEmpty()) {
 117     muc4 = muc5;
 118     muc5 = "";
 119   }
 120
 121 }