Document Actions
#include <string>
#include <tjutil.h>
class Model : public TJObservable
{
public:
Model() : myString("") { }
void setString(string str) {
myString = str;
setChanged();
}
string getString() const {
return myString;
}
private:
string myString;
};
class View : public TJObserver
{
virtual void update(TJObservable&
o, void*) {
Model& m = static_cast<Model&>(o);
string str = m.getString();
cout << "###View::update"
<< endl;
cout << "
Model's str = " << str << endl;
}
};
int main() {
Model* m = new Model;
View* v = new View;
m->addObserver(v);
cout << "## Input string.(finish -> ^D)"
<< endl;
string answer;
while (cin >> answer) {
m->setString(answer);
m->notifyObservers();
}
m->removeObservers();
delete v;
delete m;
return 0;
}