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Diffstat (limited to 'src/corelib/statemachine/qtransition.cpp')
| -rw-r--r-- | src/corelib/statemachine/qtransition.cpp | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/src/corelib/statemachine/qtransition.cpp b/src/corelib/statemachine/qtransition.cpp deleted file mode 100644 index ebd972c..0000000 --- a/src/corelib/statemachine/qtransition.cpp +++ /dev/null @@ -1,230 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the $MODULE$ of the Qt Toolkit. -** -** $TROLLTECH_DUAL_LICENSE$ -** -****************************************************************************/ - -#include "qtransition.h" -#include "qtransition_p.h" -#include "qstateaction.h" -#include "qstateaction_p.h" - -QT_BEGIN_NAMESPACE - -/*! - \class QTransition - - \brief The QTransition class provides an action-based transition. - - \ingroup statemachine - - QTransition provides an action-based transition; you add actions with the - addAction() function. The transition executes the actions when the - transition is triggered. QTransition is part of \l{The State Machine - Framework}. - - Built-in actions are provided for setting properties and invoking methods of - QObjects. The setPropertyOnTransition() function is used for defining - property assignments that should be performed when a transition is taken. - The invokeMethodOnTransition() function is used for defining method - invocations that should be performed when a transition is taken. - - \code - QStateMachine machine; - QState *s1 = new QState(); - machine.addState(s1); - QTransition *t1 = new QTransition(); - QLabel label; - t1->setPropertyOnTransition(&label, "text", "Transition t1 was triggered"); - QState *s2 = new QState(); - machine.addState(s2); - t1->setTargetState(s2); - s1->addTransition(t1); - \endcode - - Actions are executed in the order in which they were added. - - \sa QState::addTransition(), QStateAction -*/ - -QTransitionPrivate::QTransitionPrivate() -{ -} - -QTransitionPrivate::~QTransitionPrivate() -{ -} - -QTransitionPrivate *QTransitionPrivate::get(QTransition *q) -{ - return q->d_func(); -} - -const QTransitionPrivate *QTransitionPrivate::get(const QTransition *q) -{ - return q->d_func(); -} - -QList<QStateAction*> QTransitionPrivate::actions() const -{ - QList<QStateAction*> result; - QList<QObject*>::const_iterator it; -#ifdef QT_STATEMACHINE_SOLUTION - const QObjectList &children = q_func()->children(); -#endif - for (it = children.constBegin(); it != children.constEnd(); ++it) { - QStateAction *s = qobject_cast<QStateAction*>(*it); - if (s) - result.append(s); - } - return result; -} - -/*! - Constructs a new QTransition object with the given \a sourceState. -*/ -QTransition::QTransition(QState *sourceState) - : QAbstractTransition(*new QTransitionPrivate, sourceState) -{ -} - -/*! - Constructs a new QTransition object with the given \a targets and \a - sourceState. -*/ -QTransition::QTransition(const QList<QAbstractState*> &targets, QState *sourceState) - : QAbstractTransition(*new QTransitionPrivate, targets, sourceState) -{ -} - -/*! - \internal -*/ -QTransition::QTransition(QTransitionPrivate &dd, QState *parent) - : QAbstractTransition(dd, parent) -{ -} - -/*! - \internal -*/ -QTransition::QTransition(QTransitionPrivate &dd, const QList<QAbstractState*> &targets, QState *parent) - : QAbstractTransition(dd, targets, parent) -{ -} - -/*! - Destroys this transition. -*/ -QTransition::~QTransition() -{ -} - -/*! - Instructs this QTransition to set the property with the given \a name of the - given \a object to the given \a value when the transition is taken. This - function will create a QStateSetPropertyAction object and add it to the - actions of the transition. If there is already an existing action associated - with the property, the value of that action is updated. - - \sa invokeMethodOnTransition() -*/ -void QTransition::setPropertyOnTransition(QObject *object, const char *name, - const QVariant &value) -{ - Q_D(QTransition); - QList<QStateAction*> actions = d->actions(); - for (int i = 0; i < actions.size(); ++i) { - QStateAction *action = actions.at(i); - if (QStateSetPropertyAction *spa = qobject_cast<QStateSetPropertyAction*>(action)) { - if (spa->targetObject() == object && spa->propertyName() == name) { - QStateSetPropertyActionPrivate::get(spa)->value = value; - return; - } - } - } - addAction(new QStateSetPropertyAction(object, name, value)); -} - -/*! - Instructs this QTransition to invoke the given \a method of the given \a - object with the given \a arguments when the transition is taken. This - function will create a QStateInvokeMethodAction object and add it to the - actions of the transition. - - \sa setPropertyOnTransition() -*/ -void QTransition::invokeMethodOnTransition(QObject *object, const char *method, - const QList<QVariant> &arguments) -{ - addAction(new QStateInvokeMethodAction(object, method, arguments)); -} - -/*! - Adds the given \a action to this transition. - The action will be executed when the transition is triggered. - The transition takes ownership of the action. - - \sa removeAction() -*/ -void QTransition::addAction(QStateAction *action) -{ - if (!action) { - qWarning("QTransition::addAction: cannot add null action"); - return; - } - action->setParent(this); -} - -/*! - Removes the given \a action from this transition. - The transition releases ownership of the action. - - \sa addAction() -*/ -void QTransition::removeAction(QStateAction *action) -{ - if (!action) { - qWarning("QTransition::removeAction: cannot remove null action"); - return; - } - action->setParent(0); -} - -/*! - Returns this transitions's actions, or an empty list if the transition has - no actions. - - \sa addAction() -*/ -QList<QStateAction*> QTransition::actions() const -{ - Q_D(const QTransition); - return d->actions(); -} - -/*! - \reimp -*/ -void QTransition::onTransition() -{ - Q_D(QTransition); - QList<QStateAction*> actions = d->actions(); - for (int i = 0; i < actions.size(); ++i) - QStateActionPrivate::get(actions.at(i))->callExecute(); -} - -/*! - \reimp -*/ -bool QTransition::event(QEvent *e) -{ - return QAbstractTransition::event(e); -} - -QT_END_NAMESPACE |