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39
40#ifndef QSCXMLDATAMODEL_H
41#define QSCXMLDATAMODEL_H
42
43#include <QtScxml/qscxmlexecutablecontent.h>
44
45#include <QtCore/qvariant.h>
46#include <QtCore/qvector.h>
47
48QT_BEGIN_NAMESPACE
49
50class QScxmlEvent;
51
52class QScxmlStateMachine;
53class QScxmlTableData;
54
55class QScxmlDataModelPrivate;
56class Q_SCXML_EXPORT QScxmlDataModel : public QObject
57{
58 Q_OBJECT
59 Q_DECLARE_PRIVATE(QScxmlDataModel)
60 Q_PROPERTY(QScxmlStateMachine *stateMachine READ stateMachine WRITE setStateMachine NOTIFY stateMachineChanged)
61
62public:
63 class Q_SCXML_EXPORT ForeachLoopBody
64 {
65 Q_DISABLE_COPY(ForeachLoopBody)
66 public:
67 ForeachLoopBody();
68 virtual ~ForeachLoopBody();
69 virtual void run(bool *ok) = 0;
70 };
71
72public:
73 explicit QScxmlDataModel(QObject *parent = nullptr);
74
75 void setStateMachine(QScxmlStateMachine *stateMachine);
76 QScxmlStateMachine *stateMachine() const;
77
78 Q_INVOKABLE virtual bool setup(const QVariantMap &initialDataValues) = 0;
79
80 virtual QString evaluateToString(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
81 virtual bool evaluateToBool(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
82 virtual QVariant evaluateToVariant(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
83 virtual void evaluateToVoid(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
84 virtual void evaluateAssignment(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
85 virtual void evaluateInitialization(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
86 virtual void evaluateForeach(QScxmlExecutableContent::EvaluatorId id, bool *ok, ForeachLoopBody *body) = 0;
87
88 virtual void setScxmlEvent(const QScxmlEvent &event) = 0;
89
90 virtual QVariant scxmlProperty(const QString &name) const = 0;
91 virtual bool hasScxmlProperty(const QString &name) const = 0;
92 virtual bool setScxmlProperty(const QString &name, const QVariant &value, const QString &context) = 0;
93
94Q_SIGNALS:
95 void stateMachineChanged(QScxmlStateMachine *stateMachine);
96
97protected:
98 explicit QScxmlDataModel(QScxmlDataModelPrivate &dd, QObject *parent = nullptr);
99};
100
101QT_END_NAMESPACE
102
103Q_DECLARE_METATYPE(QScxmlDataModel *)
104
105#endif // QSCXMLDATAMODEL_H
106

source code of qtscxml/src/scxml/qscxmldatamodel.h