MVVM

1. MVVM
2. ͜Ε͔ΒMVVMʹ͍ͭͯΘ͍Θ͍͢Δલʹ MVVM͕ੜΈग़͞ΕͨܦҢΛ௥͍
 ͦΕ͕੒͠ಘͨ͜ͱΛ஌Γ
 Έͳ͞Μͷٞ࿦ͷϕʔεΛͭ͘Γ͍ͨ
3. MVVMʹࢸΔ·Ͱ w 5.7&
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   w ʜ Cocoa MVC͸ग़ͯ͜ͳ͍Αʂ 👉
4. TMVE (ݪॳMVC) w ϓϨθϯςʔγϣϯ (6*දݱ ͱϞσϧ σʔλͱͦͷৼΔ෣͍ ͷ෼཭
   w ύλʔϯԽ͞Εͨ.7$ͱޙଓͷύλʔϯ (6*ΞʔΩςΫνϟʔ ʹڧ͘Ө ڹΛ༩͑ͨ
5. MVC͕੒͠ಘͨ͜ͱ w ϓϨθϯςʔγϣϯͱϞσϧͷ෼཭Λ͞Βʹൃల
   w 0CTFSWFSύλʔϯʹΑΔσʔλͷಉظํ๏Λཱ֬
6. MVC͕࢒ͨ͠՝୊ w 7JFXͷϩδοΫͱঢ়ଶͷஔ͖৔ॴ͕ෆ໌ྎ
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7. MVC + Application Model • View - ModelؒͰͷ௚઀తͳมߋͷ؂ࢹɾ௨஌͔Β • View - Application Model - ModelʹΑΔؒ઀తͳ؂ࢹɾ௨஌΁ • Application Model͸Modelͱͯ͠ͷଆ໘͕ڧ͍ • View - Modelؒͷσʔλͷදݱม׵΋ߦ͏ • → ViewͷϩδοΫͱঢ়ଶͷஔ͖৔ॴͱͯ͠ػೳ
8. Application Modelͷ՝୊ • Observerύλʔϯ͕ద༻Ͱ͖Δͷ͸ɺModelʹଘࡏ͢ΔσʔλͷΈ • Viewಠࣗͷঢ়ଶ͸ɺObserverύλʔϯʹΑΔ؂ࢹɾ௨஌Λద༻Ͱ͖ͳ͍ • ModelతͳଘࡏͰ͋ΔApplication Model͕௚઀ViewΛ͍͡Δ͜ͱʹ… • ྫɿview.textField.textColor = .red 
 Λ௚઀࣮ߦ͢ΔΑ͏ͳ΋ͷ • ObserverύλʔϯʹΑΔ੍໿ΛಀΕɺApplication Model͕ංେԽ
9. ݪॳMVP • MVCͷਖ਼౷ਐԽͷงғؾ • ݱ୅ͷMVPͱ͸ҟͳΔඇৗʹڵຯਂ͍ߏ੒ • Application Modelͷ՝୊ղܾͱ͸͋·Γؔ܎ͳ͍ͷͰׂѪ • ౰વɺݱ୅ͷMVPʹ͸େ͖ͳӨڹΛ༩͍͑ͯΔ
10. MVP • MVVMͱฒΜͰApplication Modelͷ՝୊Λղܾͨ͠Ұͭͷύλʔϯ • MVVMʹӨڹΛ༩͑ͨΘ͚Ͱ͸ͳͦ͞͏ͳͷͰׂѪ
11. MVP • View - Modelؒͷ؂ࢹɾ௨஌ͷؔ܎͕෮׆ • ౰࣌͸Passive Viewͷ֓೦͸ͳ͔ͬͨͱࢥΘΕΔ • Application Model͔ΒModelدΓͷཁૉ͕ෆཁʹ • → Application Model͔ΒObserverύλʔϯͷద༻͕ͳ͘ͳΓPresenter΁ ͱมԽ • Presenter͸ɺViewϩδοΫͱঢ়ଶ؅ཧʹઐ೦Ͱ͖ΔΑ͏ʹͳΓɺViewͱ ͷ࿈ܞ͕ີʹऔΕΔΑ͏ʹͳͬͨ
12. MVPͷิ଍ • Controllerͷ໾ׂ͸Viewʹٵऩ • MVC͕ߟҊ͞Εͨ౰࣌͸ɺϢʔβʔೖྗ͸௿ϨϕϧͳσʔλදݱͰ͋ ΓɺController͕ҙຯͷ͋ΔΞΫγϣϯʹม׵͢Δඞཁ͕͋ͬͨ • iOSͰྫ͑ΔͱɺUIPanGestureRecognizerͷΠϕϯτΛࡹ͘Α͏ͳ΋ ͷʁ • ·ͨ͸ɺϨεϙϯμʔνΣʔϯͷࢧԉ͕ͳ͍ঢ়ଶʁ
13. • ViewͷϩδοΫͱঢ়ଶΛอ࣋͢ΔϞσϧ • Application Modelͱ͸ҟͳΓɺView͸௚઀อ࣋ͨ͠Γߋ৽ͨ͠Γ͠ͳ͍ • Model(υϝΠϯϨΠϠʔ)ͱ΍ΓͱΓΛߦ͏ • ViewͷมԽ͠͏Δશঢ়ଶΛอ࣋͠ɺData BindingΛ௨ͯ͡ಉظ͢Δ • Data Binding΁۩ମతͳݴٴ͸͋·Γ͞Ε͍ͯͳ͍ • which I'm hoping will happen some day with technologies like .NET's data binding. Presentation Model
14. Presentation Model͕੒͠ಘͨ͜ͱ w 0CTFSWFSύλʔϯʹΑΔ7JFX
    
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15. MVVM w 1SFTFOUBUJPO
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16. MVVM͕࢒ͨ͠՝୊ w 81'Λલఏͱ͍ͯ͠ΔͨΊɺ%BUB
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17. MVVMͷิ଍ • Viewͷ։ൃ͸ɺσβΠφʔͷ੹೚Ͱߦ͏ • UIͷϏδϡΞϧ໘͕ԡ͠ग़͞Ε࢝Ίͨ࣌୅എܠ͕ؔ܎͔ • Controllerͷ໾ׂ͸Viewʹٵऩ • MVC͕ߟҊ͞Εͨ౰࣌͸ɺϢʔβʔೖྗ͸௿ϨϕϧͳσʔλදݱͰ͋Γɺ Controller͕ҙຯͷ͋ΔΞΫγϣϯʹม׵͢Δඞཁ͕͋ͬͨ • iOSͰྫ͑ΔͱɺUIPanGestureRecognizerͷΠϕϯτΛࡹ͘Α͏ͳ΋ͷʁ • ·ͨ͸ɺϨεϙϯμʔνΣʔϯͷࢧԉ͕ͳ͍ঢ়ଶʁ
18. ·ͱΊ w .7$ʮϓϨθϯςʔγϣϯͱϞσϧͷ෼཭ʯ
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