c1arrow.c

这个工具集提供以下结构化分析和UML分析中所用的图形化绘图工具：ER-diagrams, data and event flow diagrams and state-transition diagr

////////////////////////////////////////////////////////////////////////////////
//
// This file is part of Toolkit for Conceptual Modeling (TCM).
// (c) copyright 1996, Vrije Universiteit Amsterdam.
// Author: Frank Dehne ([e-mail]).
//
// 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 "c1arrow.h"
#include "c1edge.h"

C1Arrow::C1Arrow(ShapeView *v, Grafport *g, GShape *n1, GShape *n2, 
		List<Point *> *aline, bool Curved) 
		: T1Line(v, g, n1, n2, aline, Curved) {
	Initialize();
}

C1Arrow::C1Arrow(ShapeView *v, Grafport *g, GShape *n1, GShape *n2, 
		bool Curved): T1Line(v, g, n1, n2, Curved) {
	Initialize();
}

void C1Arrow::Initialize() {
	GetTextShape1()->SetDescription("Cardinality Constraint");
	GetTextShape1()->SetOneLine(True);
	SetEnd2(LineEnd::FILLED_ARROW);
}

bool C1Arrow::SetAssocSubject(AssocList *al) {
	if (!T1Line::SetAssocSubject(al))
		return False;
	if (check(GetSubject() && (
		GetSubject()->GetClassType()==Code::FUNCTION ||
		GetSubject()->GetClassType()==Code::COMPONENT_FUNCTION)))
		return True;
	SetSubject(0);
	return False;
}

void C1Arrow::SetTextShape() {
	T1Line::SetTextShape();
	if (check(GetSubject()))
		GetTextShape1()->SetString(((C1Edge *)GetSubject())->
				GetConstraint());
}