1 files changed, 142 insertions, 0 deletions
diff --git a/kplato/kptrelation.cpp b/kplato/kptrelation.cpp
new file mode 100644
index 000000000..e84b72a29
--- /dev/null
+++ b/kplato/kptrelation.cpp
@@ -0,0 +1,142 @@
+/* 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