bool ArrowModel::intersect(double p1, double q1, double p2, double q2)
{
double x1, y1;
double x2, y2;
Goocanvas::Points points = this->property_points().get_value();
for(int i=0; i<points.get_num_points()-1; i++)
{
points.get_coordinate(i, x1, y1);
points.get_coordinate(i+1, x2, y2);
// calculte intersection
double s1_x, s1_y, s2_x, s2_y;
s1_x = x2 - x1;
s1_y = y2 - y1;
s2_x = p2 - p1;
s2_y = q2 - q1;
double s, t;
s = (-s1_y * (x1 - p1) + s1_x * (y1 - q1)) / (-s2_x * s1_y + s1_x * s2_y);
t = ( s2_x * (y1 - q1) - s2_y * (x1 - p1)) / (-s2_x * s1_y + s1_x * s2_y);
if ((s >= 0) && (s <= 1) && (t >= 0) && (t <= 1))
return true;
}
return false;
}
void ArrowModel::onPointUpdated(void)
{
GraphicModel::points.clear();
double x1, y1;
GyPoint pt;
if(!bNullArrow)
{
// Adding label position
Glib::RefPtr<Goocanvas::Item> item = parentWindow->m_Canvas->get_item(label);
if(item)
{
Goocanvas::Bounds bi = item->get_bounds();
bi = item->get_bounds();
pt.x = bi.get_x1();
pt.y = bi.get_y1();
}
else
pt.x = pt.y = -1;
}
GraphicModel::points.push_back(pt);
Goocanvas::Points pts = this->property_points().get_value();
for(int i=0; i<pts.get_num_points(); i++)
{
pts.get_coordinate(i, x1, y1);
pt.x = x1;
pt.y = y1;
GraphicModel::points.push_back(pt);
}
}
int ArrowModel::addPoint(double x, double y)
{
int index = 0;
double x1, y1;
double x2, y2;
Goocanvas::Points points = this->property_points().get_value();
for(int i=0; i<points.get_num_points()-1; i++)
{
points.get_coordinate(i, x1, y1);
points.get_coordinate(i+1, x2, y2);
if((x > fmin(x1, x2)) && (x < fmax(x1, x2)) &&
(y > fmin(y1, y2)) && (y < fmax(y1, y2)))
{
double d = ((x-x1)*(x2-x1) + (y-y1)*(y2-y1)) / ((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
if((d > 0.0) && (d < 1.0))
{
index = i;
break;
}
}
}
addPoint(index, x, y);
return index+1;
}
Gdk::Point ArrowModel::getPoint(int index)
{
Goocanvas::Points points = this->property_points().get_value();
if(index >= points.get_num_points())
return Gdk::Point(-1,-1);
double x, y;
points.get_coordinate(index, x, y);
return Gdk::Point((int)x,(int)y);
}
bool ArrowModel::setPoint(int index, double x, double y)
{
Goocanvas::Points points = this->property_points().get_value();
if(index >= points.get_num_points())
return false;
points.set_coordinate(index, x, y);
this->property_points().set_value(points);
onPointUpdated();
return true;
}
void ArrowModel::updatCoordiantes(void)
{
if(!bNested)
{
Gdk::Point pt1 = source->getContactPoint(this);
Gdk::Point pt2 = destination->getContactPoint(this);
setPoint(0, pt1.get_x(), pt1.get_y()-ARROW_LINEWIDTH/2.0);
Goocanvas::Points points = this->property_points().get_value();
setPoint(points.get_num_points()-1, pt2.get_x(), pt2.get_y()-ARROW_LINEWIDTH/2.0);
updatLabelCoordiante();
}
}
int ArrowModel::getIndex(double x, double y)
{
double x1, y1;
Goocanvas::Points points = this->property_points().get_value();
for(int i=0; i<points.get_num_points(); i++)
{
points.get_coordinate(i, x1, y1);
if((x1 == x) && (y1 == y))
return i;
}
return -1;
}
// add a new point after index
bool ArrowModel::addPoint(int index, double x, double y)
{
Goocanvas::Points points = this->property_points().get_value();
if(index >= points.get_num_points())
return false;
Goocanvas::Points new_points(points.get_num_points()+1);
for(int i=0; i<=index; i++)
{
double _x, _y;
points.get_coordinate(i, _x, _y);
new_points.set_coordinate(i, _x, _y);
}
new_points.set_coordinate(index+1, x, y);
for(int i=index+1; i<points.get_num_points(); i++)
{
double _x, _y;
points.get_coordinate(i, _x, _y);
new_points.set_coordinate(i+1, _x, _y);
}
this->property_points().set_value(new_points);
onPointUpdated();
return true;
}
void ArrowModel::updatLabelCoordiante(void)
{
if(!bNullArrow)
{
Goocanvas::Points points = this->property_points().get_value();
if(points.get_num_points() < 3)
{
double x1, y1, x2, y2;
Goocanvas::Points points = this->property_points().get_value();
int index = points.get_num_points() / 2;
points.get_coordinate(index-1, x1, y1);
points.get_coordinate(index, x2, y2);
int text_w, text_h;
PangoLayout *layout = gtk_widget_create_pango_layout((GtkWidget*)parentWindow->gobj(), strLabel.c_str());
PangoFontDescription *fontdesc = pango_font_description_from_string("Monospace 9");
pango_layout_set_font_description (layout, fontdesc);
pango_layout_get_pixel_size (layout, &text_w, &text_h);
setLabelPosition((x1+x2)/2.0 - text_w/2.0, (y1+y2)/2.0);
}
}
}
bool ArrowModel::inside(double p1, double q1, double p2, double q2)
{
double x1, y1;
double x2, y2;
Goocanvas::Points points = this->property_points().get_value();
points.get_coordinate(0, x1, y1);
points.get_coordinate(points.get_num_points()-1, x2, y2);
x1 = fmin(x1, x2);
x2 = fmax(x1, x2);
y1 = fmin(y1, y2);
y2 = fmax(y1, y2);
if((x1>=p1) && (x1<=p2) && (y1>=q1) && (y2<=q2))
return true;
return false;
}
bool ArrowModel::setPoint(double x, double y,
double x_new, double y_new)
{
double x1, y1;
Goocanvas::Points points = this->property_points().get_value();
for(int i=0; i<points.get_num_points(); i++)
{
points.get_coordinate(i, x1, y1);
if((x1 == x) && (y1 == y))
{
points.set_coordinate(i, x_new, y_new);
break;
}
}
this->property_points().set_value(points);
onPointUpdated();
return true;
}
ArrowModel::ArrowModel(ApplicationWindow* parentWnd,
Glib::RefPtr<PortModel> src, Glib::RefPtr<PortModel> dest,
Connection* con, ApplicationModel* appModel, bool nullArw): PolylineModel(0,0,0,0), connection(NULL, NULL)
{
parentWindow = parentWnd;
source = src;
destination = dest;
selected = false;
bExist = false;
bNullArrow = nullArw;
applicationModel = appModel;
bNested = (applicationModel != NULL);
if(appModel)
application = appModel->getApplication();
else
application = parentWindow->manager.getKnowledgeBase()->getApplication();
if(con)
{
strLabel = con->carrier();
connection = *con;
}
this->property_close_path().set_value(false);
this->property_line_width().set_value(ARROW_LINEWIDTH);
this->property_arrow_width().set_value(5.0);
if(!bNullArrow)
this->property_end_arrow().set_value(true);
if(bNested)
{
defaultColor = "#555555";
//GooCanvasLineDash *dash = goo_canvas_line_dash_new (ARROW_LINEWIDTH, 3.0, 3.0);
//g_object_set(this->gobj(), "line-dash", dash, NULL);
}
else
defaultColor = "black";
source->addSourceArrow(this);
destination->addDestinationArrow(this);
if(!bNullArrow)
{
string strCarrier = strLabel;
string dummyLabel;
//Adding connection
if(application)
{
string strFrom, strTo;
Glib::RefPtr<InternalPortModel> intPort;
Glib::RefPtr<ExternalPortModel> extPort;
Glib::RefPtr<PortArbitratorModel> arbPort;
Module* module;
InputData* input = NULL;
OutputData* output = NULL;
bool bExternFrom = false;
bool bExternTo = false;
// port arbitrator at the destination
arbPort = Glib::RefPtr<PortArbitratorModel>::cast_dynamic(destination);
// source
intPort = Glib::RefPtr<InternalPortModel>::cast_dynamic(source);
if(intPort)
{
output = intPort->getOutput();
module = (Module*) output->owner();
strFrom = string(module->getPrefix()) + string(intPort->getOutput()->getPort());
dummyLabel = string(intPort->getOutput()->getPort());
if(!strCarrier.size())
{
strCarrier = intPort->getOutput()->getCarrier();
if(arbPort)
strCarrier += "+recv.priority";
}
}
else
{
extPort = Glib::RefPtr<ExternalPortModel>::cast_dynamic(source);
strFrom = extPort->getPort();
dummyLabel = string(extPort->getPort());
if(!strCarrier.size() && arbPort)
strCarrier = "udp+recv.priority";
bExternFrom = true;
}
// destination
intPort = Glib::RefPtr<InternalPortModel>::cast_dynamic(destination);
if(intPort)
{
input = intPort->getInput();
module = (Module*) input->owner();
strTo = string(module->getPrefix()) + string(intPort->getInput()->getPort());
dummyLabel += string(" -> ") + string(intPort->getInput()->getPort()) + string(" ");
if(!strCarrier.size())
{
strCarrier = intPort->getInput()->getCarrier();
if(arbPort)
strCarrier += "+recv.priority";
}
}
else if(arbPort)
{
intPort = Glib::RefPtr<InternalPortModel>::cast_dynamic(arbPort->getPortModel());
extPort = Glib::RefPtr<ExternalPortModel>::cast_dynamic(arbPort->getPortModel());
if(intPort)
{
input = intPort->getInput();
module = (Module*) input->owner();
strTo = string(module->getPrefix()) + string(intPort->getInput()->getPort());
dummyLabel += string(" -> ") + string(intPort->getInput()->getPort()) + string(" ");
if(!strCarrier.size())
{
strCarrier = intPort->getInput()->getCarrier();
strCarrier += "+recv.priority";
}
}
else
{
strTo = extPort->getPort();
dummyLabel += string(" -> ") + string(extPort->getPort()) + string(" ");
bExternTo = true;
if(!strCarrier.size())
strCarrier = "udp+recv.priority";
}
}
else
{
extPort = Glib::RefPtr<ExternalPortModel>::cast_dynamic(destination);
strTo = extPort->getPort();
dummyLabel += string(" -> ") + string(extPort->getPort()) + string(" ");
bExternTo = true;
if(!strCarrier.size())
strCarrier = "udp";
}
connection.setFrom(strFrom.c_str());
connection.setTo(strTo.c_str());
connection.setCarrier(strCarrier.c_str());
connection.setFromExternal(bExternFrom);
connection.setToExternal(bExternTo);
connection.setCorOutputData(output);
connection.setCorInputData(input);
connection.setModel(this);
connection = parentWindow->manager.getKnowledgeBase()->addConnectionToApplication(application, connection);
tool = TooltipModel::create(parentWindow, dummyLabel.c_str());
}
strLabel = strCarrier;
this->property_stroke_color().set_value(defaultColor.c_str());
if(strLabel.size())
label = LabelModel::create(parentWindow, this, strLabel.c_str());
else
label = LabelModel::create(parentWindow, this, strCarrier.c_str());
// if it is an auxilary connections
/*
if((strLabel.find("virtual") != std::string::npos) ||
(strLabel.find("auxiliary") != std::string::npos) )
{
GooCanvasLineDash *dash = goo_canvas_line_dash_new (ARROW_LINEWIDTH, 3.0, 3.0);
g_object_set(this->gobj(), "line-dash", dash, NULL);
}
*/
if(bNested)
{
applicationModel->add_child(label);
label->property_visibility().set_value(Goocanvas::ITEM_HIDDEN);
}
else
parentWindow->getRootModel()->add_child(label);
label->raise();
showLabel(parentWindow->m_showLabel);
}
Gdk::Point pt1 = source->getContactPoint(this);
Gdk::Point pt2 = destination->getContactPoint(this);
setPoint(0, pt1.get_x(), pt1.get_y()-ARROW_LINEWIDTH/2.0);
Goocanvas::Points points = this->property_points().get_value();
setPoint(points.get_num_points()-1, pt2.get_x(), pt2.get_y()-ARROW_LINEWIDTH/2.0);
setLabel(strLabel.c_str());
updatCoordiantes();
//printf("%s : %d\n", __FILE__, __LINE__);
}