1
//------------------------------------------------------------------------------
3
// This file is part of Toolkit for Conceptual Modeling (TCM).
4
// (c) copyright 1995, Vrije Universiteit Amsterdam.
5
// Author: Frank Dehne (frank@cs.vu.nl).
7
// TCM is free software; you can redistribute it and/or modify
8
// it under the terms of the GNU General Public License as published by
9
// the Free Software Foundation; either version 2 of the License, or
10
// (at your option) any later version.
12
// TCM is distributed in the hope that it will be useful,
13
// but WITHOUT ANY WARRANTY; without even the implied warranty of
14
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
// GNU General Public License for more details.
17
// You should have received a copy of the GNU General Public License
18
// along with TCM; if not, write to the Free Software
19
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21
//-----------------------------------------------------------------------------
31
/// entity-relationship diagram class
32
class ERDiagram: public Diagram {
33
/*@Doc: {\large {\bf scope:} TERD} */
36
ERDiagram(Config *, ERWindow *, ERViewer *, ERGraph *);
42
Edge *CreateEdge(Subject *n1, Subject *n2);
44
NodeShape *CreateNodeShape(Node *node, int x, int y);
46
Line *CreateLine(Edge *edge, GShape *fromShape,
47
GShape *toShape, List<Point *> *line);
49
void UpdateNodeType(int n);
51
void UpdateEdgeType(int n);
53
bool SetText(TextShape *t, const string *s);
57
// set name of nr-th constraint of subject. Check constraint syntax.
58
bool SetConstraint(Subject *subj, const string *s, unsigned nr);
60
// set name of nr-th role name of subject. Check name syntax.
61
bool SetRoleName(Subject *subj, const string *s, unsigned nr);
64
Thing *CreateThing(int classNr);
66
bool CheckIsaLoop(Edge *edge);
68
bool CheckEdgeConstraints(Subject *n1, Subject *n2);