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// Copyright (C) 2008 Lukas Lalinsky
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#include "connector.h"
#include "diagramdocument.h"
#include "hub.h"
#include "line.h"
Connector::Connector(Line *owner)
: m_owner(owner), m_hub(NULL)
{
}
Line *
Connector::owner() const
{
return m_owner;
}
QPointF
Connector::pos() const
{
return m_pos;
}
void
Connector::setPos(const QPointF &pos)
{
if (m_pos != pos) {
m_pos = pos;
if (m_owner->document())
m_owner->document()->updateLineLayout(m_owner);
}
}
qreal
Connector::angle() const
{
return m_angle;
}
void
Connector::setAngle(qreal angle)
{
if (m_angle != angle) {
m_angle = angle;
if (m_owner->document())
m_owner->document()->updateLineLayout(m_owner);
}
}
Hub *
Connector::hub() const
{
return m_hub;
}
void
Connector::setHub(Hub *hub)
{
removeFromHub();
m_hub = hub;
addToHub();
}
bool
Connector::isConnected() const
{
return m_hub;
}
bool
Connector::isStart()
{
return this==owner()->connector(0);
}
DiagramObject *
Connector::connectedObject() const
{
if (isConnected())
return hub()->owner();
return NULL;
}
Connector *
Connector::otherEnd() const
{
Line *conn = owner();
if (conn->connector(0) == this) {
return conn->connector(1);
}
else {
return conn->connector(0);
}
}
void
Connector::addToHub()
{
if (m_hub)
m_hub->addConnector(this);
}
void
Connector::removeFromHub()
{
if (m_hub)
m_hub->removeConnector(this);
}
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