You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
3.1 KiB
116 lines
3.1 KiB
/* 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.
|
|
*/
|
|
|
|
#ifndef KPTRELATION_H
|
|
#define KPTRELATION_H
|
|
|
|
#include "kptduration.h"
|
|
|
|
#include <qstring.h>
|
|
|
|
class QCanvas;
|
|
class QDomElement;
|
|
|
|
namespace KPlato
|
|
{
|
|
|
|
class Node;
|
|
class Project;
|
|
class PertCanvas;
|
|
|
|
/**
|
|
* The relation class couples a 2 nodes together which are dependent on each other.
|
|
* If for example you have a project to build a house, the node that represents the
|
|
* adding of the roof is dependent on the node that represents the building of the walls.
|
|
* The roof can't be put up if the walls are not there yet.
|
|
* We actually have a number of relationtypes so this relation can be used in different manners.
|
|
*/
|
|
class Relation {
|
|
public:
|
|
enum Type { FinishStart, FinishFinish, StartStart };
|
|
|
|
Relation(Node *parent, Node *child, Type type, Duration lag);
|
|
Relation(Node *parent=0, Node *child=0, Type type=FinishStart);
|
|
Relation(Relation *rel);
|
|
|
|
/**
|
|
* When deleted the relation will remove itself from
|
|
* the parent- and child nodes lists
|
|
*/
|
|
virtual ~Relation();
|
|
|
|
void setType(Type );
|
|
Type type() const { return m_type; }
|
|
|
|
/** returns the lag.
|
|
* The lag of a relation is the time it takes between the parent starting/stopping
|
|
* and the start of the child.
|
|
*/
|
|
const Duration &lag() const { return m_lag; }
|
|
void setLag(Duration lag) { m_lag = lag; }
|
|
|
|
/**
|
|
* @return The parent dependent node.
|
|
*/
|
|
Node *parent() const { return m_parent; }
|
|
/**
|
|
* @return The child dependent node.
|
|
*/
|
|
Node *child() const { return m_child; }
|
|
|
|
enum Result {
|
|
SUCCESS = 0l,
|
|
HASCHILDREN = 1l,
|
|
NOTIMPL = 2l
|
|
};
|
|
|
|
bool load(QDomElement &element, Project &project);
|
|
void save(QDomElement &element) const;
|
|
|
|
protected: // variables
|
|
Node *m_parent;
|
|
Node *m_child;
|
|
Type m_type;
|
|
Duration m_lag;
|
|
|
|
private:
|
|
QString m_parentId;
|
|
|
|
#ifndef NDEBUG
|
|
public:
|
|
void printDebug(QCString indent);
|
|
#endif
|
|
|
|
};
|
|
|
|
class ProxyRelation : public Relation
|
|
{
|
|
public:
|
|
ProxyRelation(Node *parent, Node *child, Relation::Type type, Duration lag)
|
|
: Relation(parent, child, type, lag)
|
|
{}
|
|
|
|
~ProxyRelation() { m_parent = 0; m_child = 0;}
|
|
};
|
|
|
|
} //KPlato namespace
|
|
|
|
#endif
|