/**
* Called when the release event happened on an empty space.
* Cleans the message.
* Empty spaces are not only actual empty spaces, but also associations.
*/
void ToolBarStateMessages::mouseReleaseEmpty()
{
Uml::Sequence_Message_Type msgType = getMessageType();
if (m_firstObject && msgType == Uml::sequence_message_lost) {
xclick = m_pMouseEvent->scenePos().x();
yclick = m_pMouseEvent->scenePos().y();
MessageWidget* message = new MessageWidget(m_firstObject, QPointF(xclick, yclick), msgType);
setupMessageWidget(message);
cleanMessage();
xclick = 0;
yclick = 0;
}
else if (!m_firstObject && msgType == Uml::sequence_message_found && xclick == 0 && yclick == 0) {
xclick = m_pMouseEvent->scenePos().x();
yclick = m_pMouseEvent->scenePos().y();
m_messageLine = new UMLSceneLineItem();
m_pUMLScene->addItem(m_messageLine);
qreal x = m_pMouseEvent->scenePos().x(), y = m_pMouseEvent->scenePos().y();
m_messageLine->setLine(x, y, x, y);
m_messageLine->setPen(QPen(m_pUMLScene->lineColor(), m_pUMLScene->lineWidth(), Qt::DashLine));
m_messageLine->setVisible(true);
}
else {
cleanMessage();
}
}
/**
* Sets the second object of the message using the specified widget and
* creates the message.
* The association is created and added to the view. The dialog to select
* the operation of the message is shown.
*
* @param secondObject The second object of the message.
* @param messageType The type of the message to create.
*/
void ToolBarStateMessages::setSecondWidget(ObjectWidget* secondObject, MessageType messageType)
{
Uml::Sequence_Message_Type msgType = getMessageType();
//There shouldn't be second widget for a lost or a found message
if (msgType == Uml::sequence_message_lost || msgType == Uml::sequence_message_found) {
cleanMessage();
xclick = 0;
yclick = 0;
return;
}
//TODO shouldn't start position in the first widget be used also for normal messages
//and not only for creation?
qreal y = m_pMouseEvent->scenePos().y();
if (messageType == CreationMessage) {
msgType = Uml::sequence_message_creation;
y = m_messageLine->line().p1().y();
}
MessageWidget* message = new MessageWidget(m_firstObject,
secondObject, msgType);
message->setPos(message->pos().x(), y);
setupMessageWidget(message);
cleanMessage();
}
/**
* Called when the release event happened on an empty space.
* Cleans the message.
* Empty spaces are not only actual empty spaces, but also associations.
*/
void ToolBarStateMessages::mouseReleaseEmpty()
{
Uml::SequenceMessage::Enum msgType = getMessageType();
if (m_firstObject && msgType == Uml::SequenceMessage::Lost) {
xclick = m_pMouseEvent->scenePos().x();
yclick = m_pMouseEvent->scenePos().y();
MessageWidget* message = new MessageWidget(m_pUMLScene, m_firstObject, xclick, yclick, msgType);
setupMessageWidget(message);
cleanMessage();
xclick = 0;
yclick = 0;
}
else if (!m_firstObject && msgType == Uml::SequenceMessage::Found && xclick == 0 && yclick == 0) {
xclick = m_pMouseEvent->scenePos().x();
yclick = m_pMouseEvent->scenePos().y();
m_messageLine = new QGraphicsLineItem();
m_pUMLScene->addItem(m_messageLine);
qreal x = m_pMouseEvent->scenePos().x();
qreal y = m_pMouseEvent->scenePos().y();
m_messageLine->setLine(x, y, x, y);
m_messageLine->setPen(QPen(m_pUMLScene->lineColor(), m_pUMLScene->lineWidth(), Qt::DashLine));
m_messageLine->setVisible(true);
m_pUMLScene->activeView()->viewport()->setMouseTracking(true);
}
else {
cleanMessage();
}
}
