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////////////////////////////////////////////////////////////////////////////////
//
// This file is part of Toolkit for Conceptual Modeling (TCM).
// (c) copyright 1996-2000, Vrije Universiteit Amsterdam and University of Twente
// Author: Frank Dehne (frank@cs.vu.nl).
// Author: Henk van de Zandschulp (henkz@cs.utwente.nl).
//
// TCM 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.
//
// TCM 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 TCM; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
////////////////////////////////////////////////////////////////////////////////
#include "inputfile.h"
#include "outputfile.h"
#include "grafport.h"
#include <math.h>
#include "binaryrelationship.h"
#include "c2r2line.h"
#include "erviewer.h"
#include "updatereaddirectioncmd.h"
C2R2Line::C2R2Line(ShapeView *v, Grafport *g, GShape *node1, GShape *node2,
List<Point *> *aline, bool Curved):
T4Line(v, g, node1, node2, aline, Curved) {
InitTextShapes();
}
C2R2Line::C2R2Line(ShapeView *v, Grafport *g, GShape *node1, GShape *node2,
bool Curved): T4Line(v, g, node1, node2, Curved) {
InitTextShapes();
}
void C2R2Line::InitTextShapes() {
GetTextShape1()->SetDescription("Cardinality Constraint");
GetTextShape2()->SetDescription("Cardinality Constraint");
GetTextShape3()->SetDescription("Role Name");
GetTextShape4()->SetDescription("Role Name");
GetTextShape1()->SetOneLine(True);
GetTextShape2()->SetOneLine(True);
SetNameDirection(ReadDirection::NONE);
}
bool C2R2Line::SetAssocSubject(AssocList *al) {
if (!T4Line::SetAssocSubject(al))
return False;
int classType = GetSubject()->GetClassType();
if (check(GetSubject() &&
(classType==Code::BINARY_RELATIONSHIP ||
classType==Code::SSD_BINARY_ASSOCIATION_EDGE ||
classType==Code::UCD_BINARY_ASSOCIATION_EDGE ||
classType==Code::SSD_AGGREGATION_EDGE ||
classType==Code::SSD_COMPOSITION_EDGE)))
return True;
SetSubject(0);
return False;
}
void C2R2Line::SetTextShape() {
T4Line::SetTextShape();
int classType = GetSubject()->GetClassType();
if (check(GetSubject() &&
(classType==Code::BINARY_RELATIONSHIP ||
classType==Code::SSD_BINARY_ASSOCIATION_EDGE ||
classType==Code::UCD_BINARY_ASSOCIATION_EDGE ||
classType==Code::SSD_AGGREGATION_EDGE ||
classType==Code::SSD_COMPOSITION_EDGE))) {
GetTextShape1()->SetString(
((BinaryRelationship *)GetSubject())->GetConstraint1());
GetTextShape2()->SetString(
((BinaryRelationship *)GetSubject())->GetConstraint2());
GetTextShape3()->SetString(((BinaryRelationship *)GetSubject())->
GetRoleName1());
GetTextShape4()->SetString(((BinaryRelationship *)GetSubject())->
GetRoleName2());
}
}
TextShape *C2R2Line::ChooseTextShape(int x, int y) {
Rectangle rect2(GetName()->GetRightMost(),
GetName()->GetTopMost(),
16,
GetName()->GetHeight());
if (rect2.Inside(x, y)) {
if (GetName()->GetStringWidth() > 0) { // toggle OK
int newDir = ((int) GetNameDirection() + 1) % 3;
ERViewer *erviewer = dynamic_cast<ERViewer *>(GetViewer());
if (erviewer)
erviewer->UpdateReadDirection((ReadDirection::Type) newDir);
} //toggle OK
return GetName();
}
return T4Line::ChooseTextShape(x, y);
}
TextShape *C2R2Line::HitTextShape(int x, int y) {
Rectangle rect2(GetName()->GetRightMost(),
GetName()->GetTopMost(),
16,
GetName()->GetHeight());
if (GetNameDirection() != ReadDirection::NONE && rect2.Inside(x, y)) {
return GetName();
}
return T4Line::HitTextShape(x, y);
}
void C2R2Line::DrawShape() {
T4Line::DrawShape();
DrawDirection();
}
void C2R2Line::WriteMembers(OutputFile *ofile) {
T4Line::WriteMembers(ofile);
string s;
ReadDirection::Type2String(GetNameDirection(), &s);
(*ofile) << "\t{ NameDirection " << s << " }\n";
}
bool C2R2Line::ReadMembers(InputFile *ifile, double format) {
if (!T4Line::ReadMembers(ifile, format))
return False;
if (format >= 1.31) {
string val;
if (!ifile->ReadAttribute("NameDirection", &val))
return False;
UpdateNameDirection(ReadDirection::String2Type(&val));
}
else
SetNameDirection(ReadDirection::NONE);
return True;
}
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