bool KNMusicLibraryModel::insertMusicRows(
int row,
const QList<KNMusicDetailInfo> &detailInfos)
{
//Insert the array to the database.
for(int i=detailInfos.size()-1; i>-1; --i)
{
//Get the detail info.
const KNMusicDetailInfo &detailInfo=detailInfos.at(i);
//Insert the data to the specific position.
m_database->insert(row, generateDataArray(detailInfo));
//Check the image cover image hash.
if(!detailInfo.coverImageHash.isEmpty())
{
//Increase the new cover image hash.
m_hashAlbumArtCounter.insert(
detailInfo.coverImageHash,
m_hashAlbumArtCounter.value(
detailInfo.coverImageHash)+1);
}
//Add the detail info to category models.
addCategoryDetailInfo(detailInfo);
}
//Check out the database size.
if(m_database->size()==1)
{
//This is the first record, emit the signal.
emit libraryNotEmpty();
}
//Do the original insert operation.
return KNMusicModel::insertMusicRows(row, detailInfos);
}
void KNMusicLibraryModel::appendRows(
const QList<KNMusicDetailInfo> &detailInfos)
{
//Append all the data to the databases.
for(auto i : detailInfos)
{
//Append all the detail info to the database.
m_database->append(generateDataArray(i));
//Check the image cover image hash.
if(!i.coverImageHash.isEmpty())
{
//Increase the new cover image hash.
m_hashAlbumArtCounter.insert(
i.coverImageHash,
m_hashAlbumArtCounter.value(i.coverImageHash)+1);
}
//Add the detail info to category models.
addCategoryDetailInfo(i);
}
//Do the original append operations.
KNMusicModel::appendRows(detailInfos);
//Check out the row count.
if(rowCount()==1)
{
//This is the first record, emit the signal.
emit libraryNotEmpty();
}
}
bool KNMusicLibraryModel::replaceRow(int row,
const KNMusicDetailInfo &detailInfo)
{
//Update the category data.
updateCategoryDetailInfo(rowDetailInfo(row), detailInfo);
//Replace the data in the database.
m_database->replace(row, generateDataArray(detailInfo));
//Do the original operation.
return KNMusicModel::replaceRow(row, detailInfo);
}
bool KNMusicLibraryModel::setData(const QModelIndex &index,
const QVariant &value,
int role)
{
//Do the original data set operation.
bool result=KNMusicModel::setData(index, value, role);
//Update the data in the database.
m_database->replace(index.row(),
generateDataArray(rowDetailInfo(index.row())));
//Give back the result.
return result;
}
bool KNMusicLibraryModel::updateModelRow(
int row,
const KNMusicAnalysisItem &analysisItem)
{
//Get the previous detail info.
const KNMusicDetailInfo &previousDetailInfo=rowDetailInfo(row);
//Update the category data.
updateCategoryDetailInfo(previousDetailInfo, analysisItem.detailInfo);
//Do the original update operation.
bool result=KNMusicModel::updateRow(row, analysisItem);
//Update the data in the database.
m_database->replace(row, generateDataArray(rowDetailInfo(row)));
//Give the result back.
return result;
}
//main function definition
int main()
{
SeedRand(); //seeds the rand() with system time
int size=6;
struct input* ip = NULL;
struct data** dt = NULL;
ip=generateArray(size); //input structure is generated and initialized
dt=generateDataArray(size); //generates and initializes data structure
findMax(dt,size,ip); //calls findMax function
printData(dt,size); //printData function called
//frees the allocated space from the heap
freeallpointers(dt,size,ip);
return 0; //successful termination of program
}
bool KNMusicLibraryModel::insertRow(int row,
const KNMusicDetailInfo &detailInfo)
{
//Insert the array to the database.
m_database->insert(row, generateDataArray(detailInfo));
//Check the image cover image hash.
if(!detailInfo.coverImageHash.isEmpty())
{
//Increase the new cover image hash.
m_hashAlbumArtCounter.insert(
detailInfo.coverImageHash,
m_hashAlbumArtCounter.value(detailInfo.coverImageHash)+1);
}
//Add the detail info to category models.
addCategoryDetailInfo(detailInfo);
//Check out the database size.
if(m_database->size()==1)
{
//This is the first record, emit the signal.
emit libraryNotEmpty();
}
//Do the original append operation.
return KNMusicModel::insertRow(row, detailInfo);
}
