bool Semester::dropLine(Node *snode, Node *par, Course *course){
Node *temp = snode,
*temp2 = par;
std::vector<int> pos;
bool dragtemp;
while(temp != NULL){
if(!drageffect){
pos = checkDragEffect(temp);
if(pos.size() != 0){
dropUpdate(temp2, temp, course);
drageffect = false;
return true;
}
}
temp2 = temp;
switch(temp->GetNodeType()){
case NODE_NORMAL:
temp = temp->GetChild();
break;
case NODE_SPLIT:
dragtemp = drageffect;
if(dropLine(temp->GetChild(1), temp, course))
return true;
drageffect = dragtemp;
temp = temp->GetChild();
break;
case NODE_CHOICE:
default: break;
}
}
if(!drageffect){
if(temp2 != NULL && temp2 == par){
pos = checkUnder(temp2->GetX()+125, temp2->GetY() - 70);
}
else if(temp2 != NULL && temp2->GetNodeType() == NODE_SPLIT){
pos = checkUnder(temp2->GetX()-125, temp2->GetY() - 70);
}
else
pos = checkUnder(temp2);
if(pos.size() != 0){
dropUpdate(temp2, temp, course);
return true;
}
}
else
drageffect = false;
return false;
}
bool Semester::drop(wxPoint dragpos, Course *course){
this->dragpos = dragpos;
return dropLine(root, NULL, course);
}
void PlayingField::dropLinesBetweenIndices(int startIndex, int endIndex) {
for (int i = endIndex - 1; i >= startIndex; i--) {
dropLine(i);
}
}