void MSCheckPopupMenu::updateData(void)
{
if (MSView::model()!=0)
{
freeze();
const MSStringVector& aStringVector=stringVector();
unsigned currentCount(itemCount());
unsigned i;
MSWidgetVector itemVector(children());
MSCheckMenuItem *pMenuItem;
for (i=0;i<aStringVector.length();i++)
{
if (i<itemVector.length())
{
pMenuItem=(MSCheckMenuItem *)itemVector(i);
pMenuItem->label(aStringVector(i));
pMenuItem->state(MSFalse);
}
else
{
pMenuItem=new MSCheckMenuItem(this,aStringVector(i),0,i);
pMenuItem->selectColor(_selectColor);
}
setItem(pMenuItem,i);
}
for (i=aStringVector.length();i<itemVector.length();i++)
{
pMenuItem=(MSCheckMenuItem *)itemVector(i);
delete pMenuItem;
}
unfreeze();
computeSize();
}
else removeAllItems();
}
void MSCheckPopupMenu::selectColor(unsigned long pixel_)
{
if (_selectColor!=pixel_)
{
_selectColor=pixel_;
MSWidgetVector itemVector(children());
MSCheckMenuItem *pMenuItem;
for (unsigned i=0, len=itemVector.length();i<len;i++)
{
pMenuItem=(MSCheckMenuItem *)itemVector(i);
pMenuItem->selectColor(_selectColor);
}
}
}
void MSCheckPopupMenu::resetSelection(void)
{
MSWidgetVector itemVector(children());
MSCheckMenuItem *pMenuItem;
for (unsigned i=0, len=itemVector.length();i<len;i++)
{
pMenuItem=(MSCheckMenuItem *)itemVector(i);
if (_selection.indexOf(pMenuItem->label())<_selection.length())
{
pMenuItem->state(MSTrue);
}
else
{
pMenuItem->state(MSFalse);
}
}
}
float MFModel::predictRating(int userID, int itemID){
if(userVectors.count(userID) == 0 || itemVectors.count(itemID) == 0){
cout << "wrong userID or itemID" << endl;
return 0;
}
float preRating = 0;
vector<float> userVector(userVectors[userID]->latentVector);
vector<float> itemVector(itemVectors[itemID]->latentVector);
for(int i = 0; i < latentLen; i++){
preRating += userVector[i] * itemVector[i];
//cout << userVector[i] << " " << itemVector[i] << endl;
}
//cout << "predict " << userID << " " << itemID << " " << preRating << endl;
return preRating;
}
void MSOptionPopupMenu::update(const MSIndexVector& index_)
{
if (MSView::model()!=0)
{
if (index_.length()==0)
{
if (optionsModel().length()==itemCount())
{
MSMenuItem *mi;
int i,n=itemCount();
for(i=0;i<n;i++)
{
mi=(MSMenuItem *)itemVector()(i);
mi->label(optionsModel()(i));
}
computeSize();
optionMenu()->setSelectedItem(0);
optionMenu()->computeSize();
}
else rebuildMenu();
}
else
{
MSIndexVector iv(index_);
iv.sortUp();
if (iv(0)==itemCount())
{
for (unsigned i=0,j=itemCount();i<iv.length();i++,j++)
{
MSMenuItem *pMenuItem=new MSMenuItem(this,optionsModel()(j),0,j);
setItem(pMenuItem,j);
}
}
else
{
for (unsigned i=0;i<iv.length();i++)
{
unsigned index=iv(i);
MSMenuItem *mi=menuItem(index);
if (mi!=0) mi->label(optionsModel()(index));
}
}
}
computeSize();
optionMenu()->computeSize();
}
}
