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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 "line.h"
#include "hub.h"
#include "diagramdocument.h"
#include "diagramobject.h"
#include "connector.h"
Line::Line(DiagramItem *parent)
: DiagramItem(parent)
{
m_connectors[0] = new Connector(this);
m_connectors[1] = new Connector(this);
setZValue(1.0);
}
Connector *
Line::connector(int index) const
{
Q_ASSERT(index == 0 || index == 1);
return m_connectors[index];
}
void
Line::updateLayout()
{
}
#include "domutils.h"
void
Line::loadFromXml(QDomElement element, DiagramDocument *document)
{
DiagramItem::loadFromXml(element, document);
QDomElement lineElement = element.firstChildElement("line");
if (lineElement.isNull())
return;
QDomElement connectorListElement = lineElement.firstChildElement("connector-list");
if (connectorListElement.isNull())
return;
QDomElement connectorElement = connectorListElement.firstChildElement("connector");
int i = 0;
while (!connectorElement.isNull()) {
Connector *connector = m_connectors[i++];
qreal angle = readFloatElement(connectorElement, "angle");
connector->setAngle(angle);
connector->setPos(readPointElement(connectorElement, "position"));
QDomElement hubElement = connectorElement.firstChildElement("hub");
QString ownerId = hubElement.attribute("owner");
if (document && !ownerId.isEmpty()) {
DiagramObject *owner = qobject_cast<DiagramObject *>(document->itemById(ownerId));
connector->setHub(owner->hub());
}
connectorElement = connectorElement.nextSiblingElement("connector");
}
}
void
Line::saveToXml(QDomDocument doc, QDomElement element)
{
DiagramItem::saveToXml(doc, element);
QDomElement lineElement = doc.createElement("line");
element.appendChild(lineElement);
QDomElement connectorListElement = doc.createElement("connector-list");
lineElement.appendChild(connectorListElement);
for (int i = 0; i < 2; i++) {
Connector *connector = m_connectors[i];
QDomElement connectorElement = doc.createElement("connector");
connectorListElement.appendChild(connectorElement);
appendPointElement(doc, connectorElement, "position", connector->pos());
appendFloatElement(doc, connectorElement, "angle", connector->angle());
if (connector->hub()) {
QDomElement hubElement = doc.createElement("hub");
connectorElement.appendChild(hubElement);
hubElement.setAttribute("owner", connector->hub()->owner()->id());
}
}
}
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