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68 lines
1.7 KiB
68 lines
1.7 KiB
7 years ago
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#ifndef QTMVVM_QQMLMVVMBINDING_H
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#define QTMVVM_QQMLMVVMBINDING_H
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#include <QtCore/QObject>
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#include <QtQml/QQmlParserStatus>
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#include <QtMvvmCore/Binding>
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namespace QtMvvm {
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class QQmlMvvmBinding : public QObject, public QQmlParserStatus
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{
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Q_OBJECT
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Q_INTERFACES(QQmlParserStatus)
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Q_PROPERTY(QObject* viewModel MEMBER _viewModel NOTIFY viewModelChanged)
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Q_PROPERTY(QString viewModelProperty MEMBER _viewModelProperty NOTIFY viewModelPropertyChanged)
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Q_PROPERTY(QObject* view MEMBER _view NOTIFY viewChanged)
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Q_PROPERTY(QString viewProperty MEMBER _viewProperty NOTIFY viewPropertyChanged)
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Q_PROPERTY(BindingDirection type READ type WRITE setType NOTIFY typeChanged) //MEMBER is broken for flags
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public:
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enum BindingDirectionFlag { //copy flags from binding
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SingleInit = Binding::SingleInit,
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OneWayToView = Binding::OneWayToView,
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OneWayToViewModel = Binding::OneWayToViewModel,
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TwoWay = Binding::TwoWay
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};
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Q_DECLARE_FLAGS(BindingDirection, BindingDirectionFlag)
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Q_FLAG(BindingDirection)
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explicit QQmlMvvmBinding(QObject *parent = nullptr);
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void classBegin() override;
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void componentComplete() override;
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BindingDirection type() const;
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Q_INVOKABLE bool isValid() const;
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public Q_SLOTS:
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void setType(BindingDirection type);
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void unbind();
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Q_SIGNALS:
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void viewModelChanged(QObject* viewModel);
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void viewModelPropertyChanged(QString viewModelProperty);
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void viewChanged(QObject* view);
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void viewPropertyChanged(QString viewProperty);
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void typeChanged(BindingDirection type);
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private Q_SLOTS:
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void resetBinding();
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private:
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Binding _binding;
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bool _completed;
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QObject* _viewModel;
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QString _viewModelProperty;
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QObject* _view;
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QString _viewProperty;
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BindingDirection _type;
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};
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}
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#endif // QTMVVM_QQMLMVVMBINDING_H
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