int deleteItem(int item)
{
int position;
position = searchItem(item) ;
if ( position == NULL_VALUE ) return NULL_VALUE;
deleteItemAt(position) ;
return SUCCESS_VALUE ;
}
void MusicSongsListWidget::setDeleteItemAt()
{
MusicMessageBox message;
message.setText(tr("Are you sure to delete?"));
if(message.exec() || rowCount() == 0 || currentRow() < 0)
{
return;
}
MusicProgressWidget progress;
progress.show();
progress.setTitle(tr("Delete File Mode"));
progress.setRange(0, selectedItems().count()/3*2);
MIntSet deletedRow; //if selected multi rows
for(int i=0; i<selectedItems().count(); ++i)
{
deletedRow.insert(selectedItems()[i]->row());
if(i%3 == 0)
{
progress.setValue(i/3);
}
}
MIntList deleteList = deletedRow.toList();
if(deleteList.count() == 0)
{
return;
}
qSort(deleteList);
if(deleteList.contains(m_playRowIndex) || deleteList[0] < m_playRowIndex)
{
replacePlayWidgetRow();
}
for(int i=deleteList.count() - 1; i>=0; --i)
{
removeRow(deleteList[i]); //Delete the current row
progress.setValue(deleteList.count()*2 - i);
}
emit deleteItemAt(deleteList, m_deleteItemWithFile);
}
void MusicSongsSummarizied::setDeleteItemAt(const MIntList &index, bool fileRemove)
{
if(index.count() == 0)
{
return;
}
for(int i=index.count() - 1; i>=0; --i)
{
MusicSong song = m_musicFileNames[currentIndex()].takeAt(index[i]);
if(fileRemove)
{
QFile::remove(song.getMusicPath());
}
}
if(currentIndex() == m_currentIndexs)
{
emit deleteItemAt(index);
}
}
int deleteLast()
{
if(length==0)return NULL_VALUE;
else deleteItemAt (length-1);
return SUCCESS_VALUE;
}
int main(void)
{
initializeList();
while(1)
{
printf("1. Insert new item. 2. Delete item at. 3. Delete item.\n");
printf("4. (Add from homework). 5. Print. 6. exit.\n");
printf("7. Get Length. 8. Insert Item At. 9. Clear.\n");
printf("10. Delete Last. 11. Delete All.\n");
int ch;
scanf("%d",&ch);
if(ch==1)
{
int item;
scanf("%d", &item);
insertItem(item);
}
else if(ch==2)
{
int pos;
scanf("%d", &pos);
deleteItemAt(pos);
}
else if(ch==3)
{
int item;
scanf("%d", &item);
deleteItem(item);
}
else if(ch==5)
{
printList();
}
else if(ch==6)
{
break;
}
else if(ch==7)
{
printf("%d\n",addLength());
}
else if(ch==8)
{
int item,position;
scanf("%d %d", &position,&item);
insertItemAt(position,item);
}
else if(ch==9)
{
clear();
}
else if(ch==10)
{
deleteLast();
}
else if(ch==11)
{
deleteAll();
}
}
}
