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#include "AppModel.h"
#include <stdlib.h>
#include "../utils/RandomGenerator.h"
#include "../dictionary/Dictionary.h"
#include "../main-view/DictTableModel.h"
#include "../study/WordDrillModel.h"
#include "../study/SpacedRepetitionModel.h"
#include "../dictionary/CardPack.h"
AppModel::AppModel():
curDictIndex(-1), curCardPackIndex(0)
{
}
AppModel::~AppModel()
{
while(!dictionaries.isEmpty())
{
QPair<Dictionary*, DictTableModel*> pair = dictionaries.takeLast();
delete pair.second;
delete pair.first;
}
}
bool AppModel::openDictionary(const QString& filePath)
{
Dictionary* dict = new Dictionary( "", false, this );
bool ok = dict->load(filePath);
if(ok)
addDictionary(dict);
else
{
errorMessage = dict->getErrorMessage();
delete dict;
}
return ok;
}
void AppModel::addDictionary( Dictionary* aDict )
{
DictTableModel* dictModel = new DictTableModel( aDict );
dictionaries << qMakePair( aDict, dictModel );
curDictIndex = dictionaries.size() - 1;
}
Dictionary* AppModel::newDictionary()
{
Dictionary* dict = new Dictionary( "", false, this );
dict->setDefaultFields();
addDictionary( dict );
return dict;
}
void AppModel::fixupCurDictIx()
{
if( curDictIndex < 0 || curDictIndex >= dictionaries.size() )
curDictIndex = dictionaries.size()-1;
}
Dictionary* AppModel::curDictionary()
{
if( dictionaries.isEmpty() )
return NULL;
fixupCurDictIx();
return dictionaries[curDictIndex].first;
}
DictTableModel* AppModel::curDictModel()
{
if( dictionaries.isEmpty() )
return NULL;
fixupCurDictIx();
return dictionaries[curDictIndex].second;
}
Dictionary* AppModel::dictionary(int aIndex) const
{
if( aIndex < 0 || aIndex >= dictionaries.size() )
return NULL;
return dictionaries[aIndex].first;
}
int AppModel::indexOfDictionary( Dictionary* aDic ) const
{
for( int i = 0; i < dictionaries.size(); i++ )
{
QPair<Dictionary*, DictTableModel*> pair = dictionaries.at( i );
if( pair.first == aDic )
return i;
}
return -1; // Not found
}
int AppModel::indexOfDictionary( const QString& aFilePath ) const
{
for( int i = 0; i < dictionaries.size(); i++ )
{
QPair<Dictionary*, DictTableModel*> pair = dictionaries.at( i );
Q_ASSERT( pair.first );
if( pair.first->getFilePath() == aFilePath )
return i;
}
return -1; // Not found
}
CardPack* AppModel::curCardPack()
{
Dictionary* curDic = curDictionary();
if( curDic )
return curDic->cardPack( curCardPackIndex );
else
return NULL;
}
bool AppModel::setCurDictionary(int index)
{
if( dictionaries.isEmpty() )
{
curDictIndex = -1;
return false;
}
if( index < 0 || index >= dictionaries.size())
{
curDictIndex = dictionaries.size()-1;
return false;
}
curDictIndex = index;
return true;
}
bool AppModel::removeDictionary( int aIndex )
{
if( aIndex < 0 || aIndex >= dictionaries.size() )
return false;
QPair<Dictionary*, DictTableModel*> pair = dictionaries.takeAt( aIndex );
delete pair.second;
delete pair.first;
return true;
}
/** Destroys dic model and the dictionary itself.
*/
void AppModel::removeDictModel( QAbstractItemModel* aDictModel )
{
int i = 0;
for( ;i < dictionaries.size(); i++ )
{
QPair<Dictionary*, DictTableModel*> pair = dictionaries.at( i );
if( pair.second == aDictModel )
{
dictionaries.removeAt( i ); // Update the size of m_dictionaries before destroying
delete pair.first;
delete pair.second;
break;
}
}
}
IStudyModel* AppModel::createStudyModel(int studyType, int cardPackIndex)
{
Dictionary* curDic = curDictionary();
if(!curDic)
{
errorMessage = tr("No dictionary opened.");
return NULL;
}
if(curDic->entriesNum() == 0)
{
errorMessage = tr("The current dictionary is empty.");
return NULL;
}
curCardPackIndex = cardPackIndex;
CardPack* cardPack = curDic->cardPack(curCardPackIndex);
if(!cardPack || cardPack->cardsNum() == 0)
{
errorMessage = tr("The current dictionary is empty.");
return NULL;
}
IStudyModel* studyModel = NULL;
switch(studyType)
{
case WordDrill:
studyModel = new WordDrillModel(cardPack);
break;
case SpacedRepetition:
studyModel = new SpacedRepetitionModel(cardPack, new RandomGenerator);
break;
}
if(studyModel)
studyModel->setDictModel( curDictModel() );
return studyModel;
}
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