1 | /*
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2 | * UIFactory.hpp
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3 | *
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4 | * Created on: Jan 5, 2010
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5 | * Author: crueger
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6 | */
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7 |
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8 | #ifndef UIFACTORY_HPP_
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9 | #define UIFACTORY_HPP_
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10 |
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11 | class MainWindow;
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12 | class Dialog;
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13 | class DialogDescription;
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14 |
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15 | #include "CodePatterns/Singleton.hpp"
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16 |
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17 | #include <string>
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18 | #include <map>
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19 | #include <boost/smart_ptr.hpp>
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20 |
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21 | /**
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22 | * Abstract Factory to create any kind of User interface object needed by the programm.
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23 | *
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24 | * The factory can be created and has to be set to a certain type upon creation. It will then
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25 | * only create UIelements of that certain type, so that all UIElements match. This way different
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26 | * UIs can be handled in a concise abstract way.
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27 | *
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28 | * The main functionality is the MainWindow and the Dialog.
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29 | *
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30 | * MainWindow basically is the framework if the UI. The MainWindow has a run function which is
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31 | * called MainWindow::Display(), which will listen for user input and react to it via actions for
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32 | * as long as the user desires or tells the MainWindow to quit.
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33 | *
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34 | * Within the MainWindow Dialog classes may be instantiated which ask the user for input to
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35 | * certain actions he wants to perform.
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36 | *
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37 | */
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38 | class UIFactory : public Singleton<UIFactory,false>
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39 | {
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40 | friend class Singleton<UIFactory,false>;
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41 | public:
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42 |
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43 | /**
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44 | * Produce some kind of main window, of whichever type was chosen when the factory was created
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45 | */
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46 | virtual MainWindow* makeMainWindow()=0;
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47 |
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48 | /**
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49 | * Produce a User Interaction Dialog, that can query values from the User.
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50 | * Again the type is determined upon factory creation.
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51 | */
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52 | virtual Dialog* makeDialog()=0;
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53 |
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54 | protected:
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55 | UIFactory();
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56 | virtual ~UIFactory();
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57 |
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58 | public:
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59 | struct factoryDescription {
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60 | factoryDescription(std::string _name);
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61 | virtual ~factoryDescription();
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62 |
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63 | const std::string name;
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64 | // yes this method really is a factory factory, to allow insertion of
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65 | // arbitrary factories
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66 | virtual UIFactory* makeFactory()=0;
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67 | };
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68 | /**
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69 | * create a Factory of a certain type. From that moment on only those UIElements can be produced by the factory
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70 | */
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71 | static void makeUserInterface(std::string type);
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72 | static void registerFactory(factoryDescription *factoryDesc);
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73 | protected:
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74 | private:
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75 | static std::map<std::string,boost::shared_ptr<factoryDescription> > factories;
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76 | };
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77 |
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78 | #endif /* UIFACTORY_HPP_ */
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