mitk::InteractionEvent::Pointer mitk::EventFactory::CreateEvent(PropertyList::Pointer list)
{
//
std::string eventClass, eventVariant;
list->GetStringProperty(InteractionEventConst::xmlParameterEventClass().c_str(), eventClass);
list->GetStringProperty(InteractionEventConst::xmlParameterEventVariant().c_str(), eventVariant);
// Query all possible attributes, if they are not present, set their default values.
// Position Events & Key Events
std::string strModifiers;
InteractionEvent::ModifierKeys modifiers = InteractionEvent::NoKey;
std::string strEventButton;
InteractionEvent::MouseButtons eventButton = InteractionEvent::NoButton;
std::string strButtonState;
InteractionEvent::MouseButtons buttonState = InteractionEvent::NoButton;
std::string strKey;
std::string key;
std::string strWheelDelta;
int wheelDelta;
std::string strSignalName = "";
Point2D pos;
pos.Fill(0);
// Parse modifier information
if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyModifier().c_str(), strModifiers))
{
std::vector<std::string> mods = split(strModifiers, ',');
for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
{
std::transform((*it).begin(), (*it).end(), (*it).begin(), ::toupper);
if (*it == "CTRL")
{
modifiers = modifiers | InteractionEvent::ControlKey;
}
else if (*it == "ALT")
{
modifiers = modifiers | InteractionEvent::AltKey;
}
else if (*it == "SHIFT")
{
modifiers = modifiers | InteractionEvent::ShiftKey;
}
else
{
MITK_WARN<< "mitkEventFactory: Invalid event modifier in config file :" << (*it);
}
}
}
// Set EventButton
if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyEventButton().c_str(), strEventButton))
{
std::transform(strEventButton.begin(), strEventButton.end(), strEventButton.begin(), ::toupper);
if (strEventButton == "MIDDLEMOUSEBUTTON")
{
eventButton = InteractionEvent::MiddleMouseButton;
}
else if (strEventButton == "LEFTMOUSEBUTTON")
{
eventButton = InteractionEvent::LeftMouseButton;
}
else if (strEventButton == "RIGHTMOUSEBUTTON")
{
eventButton = InteractionEvent::RightMouseButton;
}
else
{
MITK_WARN<< "mitkEventFactory: Invalid event button in config file: " << strEventButton;
}
}
// Parse ButtonStates
if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyButtonState().c_str(), strButtonState))
{
std::vector<std::string> mods = split(strButtonState, ',');
for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
{
std::transform((*it).begin(), (*it).end(), (*it).begin(), ::toupper);
if (*it == "MIDDLEMOUSEBUTTON")
{
buttonState = buttonState | InteractionEvent::MiddleMouseButton;
}
else if (*it == "LEFTMOUSEBUTTON")
{
buttonState = buttonState | InteractionEvent::LeftMouseButton;
}
else if (*it == "RIGHTMOUSEBUTTON")
{
buttonState = buttonState | InteractionEvent::RightMouseButton;
}
else
{
MITK_WARN<< "mitkEventFactory: Invalid event buttonstate in config file:" << (*it);
}
}
}
// Key
if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyKey().c_str(), strKey))
{
key = "";
}
else
{
key = strKey;
}
// WheelDelta
if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyScrollDirection().c_str(), strWheelDelta))
{
wheelDelta = 0;
}
else
{
std::transform(strWheelDelta.begin(), strWheelDelta.end(), strWheelDelta.begin(), ::toupper);
if (strWheelDelta == "DOWN")
{
wheelDelta = -1;
}
else
{
wheelDelta = 1;
}
}
// Internal Signals Name
list->GetStringProperty(InteractionEventConst::xmlEventPropertySignalName().c_str(), strSignalName);
/*
* Here the objects are created
*/
mitk::InteractionEvent::Pointer event;
std::transform(eventClass.begin(), eventClass.end(), eventClass.begin(), ::toupper);
if (eventClass == "MOUSEPRESSEVENT")
{
// buttonstates incorporate the event button (as in Qt)
buttonState = buttonState | eventButton;
event = MousePressEvent::New(NULL, pos, buttonState, modifiers, eventButton);
}
else if (eventClass == "MOUSEDOUBLECLICKEVENT")
{
buttonState = buttonState | eventButton;
event = MouseDoubleClickEvent::New(NULL, pos, buttonState, modifiers, eventButton);
}
else if (eventClass == "MOUSEMOVEEVENT")
{
event = MouseMoveEvent::New(NULL, pos, buttonState, modifiers);
}
else if (eventClass == "MOUSERELEASEEVENT")
{
event = MouseReleaseEvent::New(NULL, pos, buttonState, modifiers, eventButton);
}
else if (eventClass == "INTERACTIONKEYEVENT")
{
event = InteractionKeyEvent::New(NULL, key, modifiers);
}
else if (eventClass == "MOUSEWHEELEVENT")
{
event = MouseWheelEvent::New(NULL, pos, buttonState, modifiers, wheelDelta);
}
else if (eventClass == "INTERACTIONPOSITIONEVENT")
{
event = InteractionPositionEvent::New(NULL, pos);
}
else if (eventClass == "INTERNALEVENT")
{
event = InternalEvent::New(NULL, NULL, strSignalName);
}
else if (eventClass == "INTERACTIONEVENT")
{
event = InteractionEvent::New(NULL);
}
if (event.IsNull())
{
MITK_WARN<< "Event couldn't be constructed. Please check your StateMachine patterns and config files\n for the following event class, which is not valid: " << eventClass;
return NULL;
}
return event;
}
mitk::InteractionEvent::Pointer mitk::EventFactory::CreateEvent(PropertyList::Pointer list)
{
//
std::string eventClass, eventVariant;
list->GetStringProperty(InteractionEventConst::xmlParameterEventClass().c_str(), eventClass);
list->GetStringProperty(InteractionEventConst::xmlParameterEventVariant().c_str(), eventVariant);
// Query all possible attributes, if they are not present, set their default values.
// Position Events & Key Events
std::string strModifiers;
InteractionEvent::ModifierKeys modifiers = InteractionEvent::NoKey;
std::string strEventButton;
InteractionEvent::MouseButtons eventButton = InteractionEvent::NoButton;
std::string strButtonState;
InteractionEvent::MouseButtons buttonState = InteractionEvent::NoButton;
std::string strKey;
std::string key;
std::string strWheelDelta;
int wheelDelta;
std::string strSignalName = "";
Point2D pos;
pos.Fill(0);
std::string strPos;
// Position on screen
if( list->GetStringProperty(InteractionEventConst::xmlEventPropertyPositionOnScreen().c_str(), strPos))
{
//split comma separated string
int commaPos;
commaPos = strPos.find_first_of(',');
pos[0] = static_cast<mitk::ScalarType>(std::atof(strPos.substr(0, commaPos).c_str()));
pos[1] = static_cast<mitk::ScalarType>(std::atof(strPos.substr(commaPos+1, strPos.length()).c_str()));
}
std::string strWorld;
Point3D worldPos;
worldPos.Fill(0);
//Position in world coordinates
if(list->GetStringProperty(InteractionEventConst::xmlEventPropertyPositionInWorld().c_str(), strWorld))
{
const std::vector<std::string> coords = split(strWorld, ',');
int i = 0;
for ( std::vector<std::string>::const_iterator it = coords.cbegin(); it != coords.cend(); ++it, ++i)
{
worldPos[i] = atof((*it).c_str());
}
}
// Parse modifier information
if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyModifier().c_str(), strModifiers))
{
std::vector<std::string> mods = split(strModifiers, ',');
for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
{
std::transform((*it).cbegin(), (*it).cend(), (*it).begin(), ::toupper);
if (*it == "CTRL")
{
modifiers = modifiers | InteractionEvent::ControlKey;
}
else if (*it == "ALT")
{
modifiers = modifiers | InteractionEvent::AltKey;
}
else if (*it == "SHIFT")
{
modifiers = modifiers | InteractionEvent::ShiftKey;
}
else
{
MITK_WARN<< "mitkEventFactory: Invalid event modifier in config file :" << (*it);
}
}
}
// Set EventButton
if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyEventButton().c_str(), strEventButton))
{
std::transform(strEventButton.cbegin(), strEventButton.cend(), strEventButton.begin(), ::toupper);
if (strEventButton == "MIDDLEMOUSEBUTTON")
{
eventButton = InteractionEvent::MiddleMouseButton;
}
else if (strEventButton == "LEFTMOUSEBUTTON")
{
eventButton = InteractionEvent::LeftMouseButton;
}
else if (strEventButton == "RIGHTMOUSEBUTTON")
{
eventButton = InteractionEvent::RightMouseButton;
}
else
{
MITK_WARN<< "mitkEventFactory: Invalid event button in config file: " << strEventButton;
}
}
// Parse ButtonStates
if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyButtonState().c_str(), strButtonState))
{
std::vector<std::string> mods = split(strButtonState, ',');
for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
{
std::transform((*it).cbegin(), (*it).cend(), (*it).begin(), ::toupper);
if (*it == "MIDDLEMOUSEBUTTON")
{
buttonState = buttonState | InteractionEvent::MiddleMouseButton;
}
else if (*it == "LEFTMOUSEBUTTON")
{
buttonState = buttonState | InteractionEvent::LeftMouseButton;
}
else if (*it == "RIGHTMOUSEBUTTON")
{
buttonState = buttonState | InteractionEvent::RightMouseButton;
}
else
{
MITK_WARN<< "mitkEventFactory: Invalid event buttonstate in config file:" << (*it);
}
}
}
// Key
if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyKey().c_str(), strKey))
{
key = "";
}
else
{
key = strKey;
}
// WheelDelta
if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyScrollDirection().c_str(), strWheelDelta))
{
wheelDelta = 0;
}
else
{
std::transform(strWheelDelta.cbegin(), strWheelDelta.cend(), strWheelDelta.begin(), ::toupper);
if (strWheelDelta == "DOWN")
{
wheelDelta = -1;
}
else
{
wheelDelta = 1;
}
}
// Internal Signals Name
list->GetStringProperty(InteractionEventConst::xmlEventPropertySignalName().c_str(), strSignalName);
// Get BaseRenderer by name
mitk::BaseRenderer* renderer = NULL;
std::string strRenderer;
// only search for a renderer if there is at least one renderer registered
if(mitk::BaseRenderer::baseRendererMap.size() > 0)
{
if(list->GetStringProperty(mitk::InteractionEventConst::xmlEventPropertyRendererName().c_str(), strRenderer))
{
//look up for renderer registered with the name in xml file
renderer = mitk::BaseRenderer::GetByName(strRenderer);
}
//if not found always use first registered renderer
if(renderer == NULL)
renderer = (*(mitk::BaseRenderer::baseRendererMap.cbegin())).second;
}
/*
* Here the objects are created
*/
mitk::InteractionEvent::Pointer event;
std::transform(eventClass.cbegin(), eventClass.cend(), eventClass.begin(), ::toupper);
if (eventClass == "MOUSEPRESSEVENT")
{
// buttonstates incorporate the event button (as in Qt)
buttonState = buttonState | eventButton;
event = MousePressEvent::New(renderer, pos, buttonState, modifiers, eventButton);
}
else if (eventClass == "MOUSEDOUBLECLICKEVENT")
{
buttonState = buttonState | eventButton;
event = MouseDoubleClickEvent::New(renderer, pos, buttonState, modifiers, eventButton);
}
else if (eventClass == "MOUSEMOVEEVENT")
{
event = MouseMoveEvent::New(renderer, pos, buttonState, modifiers);
}
else if (eventClass == "MOUSERELEASEEVENT")
{
event = MouseReleaseEvent::New(renderer, pos, buttonState, modifiers, eventButton);
}
else if (eventClass == "INTERACTIONKEYEVENT")
{
event = InteractionKeyEvent::New(renderer, key, modifiers);
}
else if (eventClass == "MOUSEWHEELEVENT")
{
event = MouseWheelEvent::New(renderer, pos, buttonState, modifiers, wheelDelta);
}
else if (eventClass == "INTERACTIONPOSITIONEVENT")
{
event = InteractionPositionEvent::New(renderer, pos);
}
else if (eventClass == "INTERNALEVENT")
{
event = InternalEvent::New(renderer, NULL, strSignalName);
}
else if (eventClass == "INTERACTIONEVENT")
{
event = InteractionEvent::New(renderer);
}
if (event.IsNull())
{
MITK_WARN<< "Event couldn't be constructed. Please check your StateMachine patterns and config files\n for the following event class, which is not valid: " << eventClass;
return NULL;
}
return event;
}
