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/* This file is part of the KDE project
Copyright (C) 2001 Thomas zander <zander@kde.org>
Copyright (C) 2004 Dag Andersen <danders@get2net.dk>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kptrelation.h"
#include "kptnode.h"
#include "kptproject.h"
#include "kptcanvasitem.h"
#include <tqcanvas.h>
#include <tqdom.h>
#include <kdebug.h>
namespace KPlato
{
Relation::Relation(Node *parent, Node *child, Type type, Duration lag) {
m_parent=parent;
m_child=child;
m_type=type;
m_lag=lag;
}
Relation::Relation(Node *parent, Node *child, Type type) {
m_parent=parent;
m_child=child;
m_type=type;
m_lag=Duration();
}
Relation::Relation(Relation *rel) {
m_parent=rel->parent();
m_child=rel->child();
m_type=rel->type();
m_lag=rel->lag();
}
Relation::~Relation() {
//kdDebug()<<k_funcinfo<<"parent: "<<(m_parent ? m_parent->name():"none")<<" child: "<<(m_child ? m_child->name():"None")<<endl;
if (m_parent)
m_parent->takeDependChildNode(this);
if (m_child)
m_child->takeDependParentNode(this);
}
void Relation::setType(Type type) {
m_type=type;
}
bool Relation::load(TQDomElement &element, Project &project) {
m_parent = project.findNode(element.attribute("parent-id"));
if (m_parent == 0) {
return false;
}
m_child = project.findNode(element.attribute("child-id"));
if (m_child == 0) {
return false;
}
if (m_child == m_parent) {
kdDebug()<<k_funcinfo<<"child == parent"<<endl;
return false;
}
if (!m_parent->legalToLink(m_child))
return false;
TQString tr = element.attribute("type");
if ( tr == "Finish-Start" )
m_type = FinishStart;
else if ( tr == "Finish-Finish" )
m_type = FinishFinish;
else if ( tr == "Start-Start" )
m_type = StartStart;
else
m_type = FinishStart;
m_lag = Duration::fromString(element.attribute("lag"));
if (!m_parent->addDependChildNode(this)) {
kdError()<<k_funcinfo<<"Failed to add relation: Child="<<m_child->name()<<" parent="<<m_parent->name()<<endl;
return false;
}
if (!m_child->addDependParentNode(this)) {
m_parent->delDependChildNode(this, false/*do not delete*/);
kdError()<<k_funcinfo<<"Failed to add relation: Child="<<m_child->name()<<" parent="<<m_parent->name()<<endl;
return false;
}
//kdDebug()<<k_funcinfo<<"Added relation: Child="<<m_child->name()<<" parent="<<m_parent->name()<<endl;
return true;
}
void Relation::save(TQDomElement &element) const {
TQDomElement me = element.ownerDocument().createElement("relation");
element.appendChild(me);
me.setAttribute("parent-id", m_parent->id());
me.setAttribute("child-id", m_child->id());
TQString type = "Finish-Start";
switch (m_type) {
case FinishStart:
type = "Finish-Start";
break;
case FinishFinish:
type = "Finish-Finish";
break;
case StartStart:
type = "Start-Start";
break;
}
me.setAttribute("type", type);
me.setAttribute("lag", m_lag.toString());
}
#ifndef NDEBUG
void Relation::printDebug(TQCString indent) {
indent += " ";
kdDebug()<<indent<<" Parent: "<<m_parent->name()<<endl;
kdDebug()<<indent<<" Child: "<<m_child->name()<<endl;
kdDebug()<<indent<<" Type: "<<m_type<<endl;
}
#endif
} //KPlato namespace
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