QDeclarativeReplaceSignalHandler Class Reference

Inheritance diagram for QDeclarativeReplaceSignalHandler:

Public Functions
virtual void	copyOriginals (QDeclarativeActionEvent *other)
virtual void	execute (Reason)
virtual bool	isReversable ()
virtual bool	needsCopy ()
virtual bool	override (QDeclarativeActionEvent *other)
	QDeclarativeReplaceSignalHandler ()
virtual void	reverse (Reason)
virtual void	rewind ()
virtual void	saveCurrentValues ()
virtual void	saveOriginals ()
virtual QString	typeName () const
	~QDeclarativeReplaceSignalHandler ()
Public Functions inherited from QDeclarativeActionEvent
virtual bool	changesBindings ()
virtual void	clearBindings ()
virtual bool	isRewindable ()
virtual void	saveTargetValues ()
virtual	~QDeclarativeActionEvent ()

Public Variables
QDeclarativeExpression *	expression
QDeclarativeGuard< QDeclarativeExpression >	ownedExpression
QDeclarativeProperty	property
QDeclarativeExpression *	reverseExpression
QDeclarativeExpression *	rewindExpression

Additional Inherited Members
Public Types inherited from QDeclarativeActionEvent
enum	Reason { ActualChange, FastForward }

Detailed Description

Definition at line 145 of file qdeclarativepropertychanges.cpp.

Constructors and Destructors

QDeclarativeReplaceSignalHandler()

QDeclarativeReplaceSignalHandler::QDeclarativeReplaceSignalHandler ( )

inline

Definition at line 148 of file qdeclarativepropertychanges.cpp.

Referenced by QDeclarativePropertyChangesPrivate::decode().

                                       : expression(0), reverseExpression(0),
                                rewindExpression(0), ownedExpression(0) {}

~QDeclarativeReplaceSignalHandler()

QDeclarativeReplaceSignalHandler::~QDeclarativeReplaceSignalHandler ( )

inline

Definition at line 150 of file qdeclarativepropertychanges.cpp.

                                        {
        delete ownedExpression;
    }

Functions

copyOriginals()

virtual void QDeclarativeReplaceSignalHandler::copyOriginals ( QDeclarativeActionEvent *  other )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 181 of file qdeclarativepropertychanges.cpp.

    {
        QDeclarativeReplaceSignalHandler *rsh = static_cast<QDeclarativeReplaceSignalHandler*>(other);
        saveCurrentValues();
        if (rsh == this)
            return;
        reverseExpression = rsh->reverseExpression;
        if (rsh->ownedExpression == reverseExpression) {
            ownedExpression = rsh->ownedExpression;
            rsh->ownedExpression = 0;
        }
    }

execute()

virtual void QDeclarativeReplaceSignalHandler::execute ( Reason  )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 162 of file qdeclarativepropertychanges.cpp.

                                 {
        ownedExpression = QDeclarativePropertyPrivate::setSignalExpression(property, expression);
        if (ownedExpression == expression)
            ownedExpression = 0;
    }

isReversable()

virtual bool QDeclarativeReplaceSignalHandler::isReversable ( )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 168 of file qdeclarativepropertychanges.cpp.

{ return true; }

needsCopy()

virtual bool QDeclarativeReplaceSignalHandler::needsCopy ( )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 180 of file qdeclarativepropertychanges.cpp.

{ return true; }

override()

virtual bool QDeclarativeReplaceSignalHandler::override ( QDeclarativeActionEvent *  other )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 203 of file qdeclarativepropertychanges.cpp.

                                                         {
        if (other == this)
            return true;
        if (other->typeName() != typeName())
            return false;
        if (static_cast<QDeclarativeReplaceSignalHandler*>(other)->property == property)
            return true;
        return false;
    }

reverse()

virtual void QDeclarativeReplaceSignalHandler::reverse ( Reason  )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 169 of file qdeclarativepropertychanges.cpp.

                                 {
        ownedExpression = QDeclarativePropertyPrivate::setSignalExpression(property, reverseExpression);
        if (ownedExpression == reverseExpression)
            ownedExpression = 0;
    }

rewind()

virtual void QDeclarativeReplaceSignalHandler::rewind ( )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 194 of file qdeclarativepropertychanges.cpp.

                          {
        ownedExpression = QDeclarativePropertyPrivate::setSignalExpression(property, rewindExpression);
        if (ownedExpression == rewindExpression)
            ownedExpression = 0;
    }

saveCurrentValues()

virtual void QDeclarativeReplaceSignalHandler::saveCurrentValues ( )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 199 of file qdeclarativepropertychanges.cpp.

Referenced by copyOriginals(), and saveOriginals().

                                     {
        rewindExpression = QDeclarativePropertyPrivate::signalExpression(property);
    }

saveOriginals()

virtual void QDeclarativeReplaceSignalHandler::saveOriginals ( )

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 175 of file qdeclarativepropertychanges.cpp.

                                 {
        saveCurrentValues();
        reverseExpression = rewindExpression;
    }

typeName()

virtual QString QDeclarativeReplaceSignalHandler::typeName ( ) const

inlinevirtual

Reimplemented from QDeclarativeActionEvent.

Definition at line 154 of file qdeclarativepropertychanges.cpp.

Referenced by override().

{ return QLatin1String("ReplaceSignalHandler"); }

Properties

expression

QDeclarativeExpression* QDeclarativeReplaceSignalHandler::expression

Definition at line 157 of file qdeclarativepropertychanges.cpp.

Referenced by QDeclarativePropertyChangesParser::compile(), and QDeclarativePropertyChangesPrivate::decode().

ownedExpression

QDeclarativeGuard<QDeclarativeExpression> QDeclarativeReplaceSignalHandler::ownedExpression

Definition at line 160 of file qdeclarativepropertychanges.cpp.

Referenced by copyOriginals(), and ~QDeclarativeReplaceSignalHandler().

property

QDeclarativeProperty QDeclarativeReplaceSignalHandler::property

Definition at line 156 of file qdeclarativepropertychanges.cpp.

Referenced by QDeclarativePropertyChanges::actions(), QDeclarativePropertyChangesPrivate::decode(), and override().

reverseExpression

QDeclarativeExpression* QDeclarativeReplaceSignalHandler::reverseExpression

Definition at line 158 of file qdeclarativepropertychanges.cpp.

Referenced by copyOriginals().

rewindExpression

QDeclarativeExpression* QDeclarativeReplaceSignalHandler::rewindExpression

Definition at line 159 of file qdeclarativepropertychanges.cpp.

Referenced by saveOriginals().

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The documentation for this class was generated from the following file:

• /src/declarative/util/qdeclarativepropertychanges.cpp