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  • Committer: Bazaar Package Importer
  • Author(s): Otavio Salvador
  • Date: 2003-07-03 20:08:21 UTC
  • Revision ID: james.westby@ubuntu.com-20030703200821-se4xtqx25e5miczi
Tags: upstream-2.20
Import upstream version 2.20

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src/sd/dv/ucdiagram.c
 
1
//------------------------------------------------------------------------------
 
2
//
 
3
// This file is part of Toolkit for Conceptual Modeling (TCM).
 
4
// (c) copyright 1999, Vrije Universiteit Amsterdam and University of Twente.
 
5
// Author: Frank Dehne (frank@cs.vu.nl).
 
6
// Author: Henk van de Zandschulp (henkz@cs.utwente.nl).
 
7
//
 
8
// TCM is free software; you can redistribute it and/or modify
 
9
// it under the terms of the GNU General Public License as published by
 
10
// the Free Software Foundation; either version 2 of the License, or
 
11
// (at your option) any later version.
 
12
//
 
13
// TCM is distributed in the hope that it will be useful,
 
14
// but WITHOUT ANY WARRANTY; without even the implied warranty of
 
15
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
16
// GNU General Public License for more details.
 
17
//
 
18
// You should have received a copy of the GNU General Public License
 
19
// along with TCM; if not, write to the Free Software Foundation, Inc.,
 
20
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
21
//-----------------------------------------------------------------------------
 
22
#include "ucgraph.h"
 
23
#include "ucwindow.h"
 
24
#include "ucviewer.h"
 
25
#include "ucchecks.h"
 
26
#include "messagedialog.h"
 
27
#include "ucdsingleclassbox.h"
 
28
#include "c2r2line.h"
 
29
#include "ucdactornode.h"
 
30
#include "ucdusecasenode.h"
 
31
#include "ucdbinaryassociationedge.h"
 
32
#include "ucdboundarybox.h"
 
33
#include "ucdgeneralizationedge.h"
 
34
#include "commentlink.h"
 
35
#include "ucdsystemnode.h"
 
36
#include "stickman.h"
 
37
#include "ellipse.h"
 
38
#include "notebox.h"
 
39
#include "comment.h"
 
40
#include "textbox.h"
 
41
#include "ucdiagram.h"
 
42
#include "note.h"
 
43
#include <stdio.h>
 
44
#include <limits.h>
 
45
 
 
46
UCDiagram::UCDiagram(Config *c, UCWindow *d, UCViewer *v, UCGraph *g): 
 
47
           ERDiagram(c, d, v, g) {
 
48
        UpdateNodeType(1);
 
49
        UpdateEdgeType(1);
 
50
        ucChecks = new UCChecks(this, g);
 
51
}
 
52
 
 
53
UCDiagram::~UCDiagram() {
 
54
        delete ucChecks;
 
55
}
 
56
 
 
57
Thing *UCDiagram::CreateThing(int classNr) {
 
58
        Grafport *g = GetDiagramViewer()->GetGrafport();
 
59
        ShapeView *v = GetDiagramViewer()->GetCurView();
 
60
        UCGraph *cg = (UCGraph *)GetGraph();
 
61
        Thing *thing = 0;
 
62
        if (classNr == Code::VIEW)
 
63
                thing = new ShapeView(GetDiagramViewer());
 
64
 
 
65
        // node shapes
 
66
        else if (classNr==Code::UCD_SINGLE_CLASS_BOX)
 
67
                thing = new UCDSingleClassBox(v, g, 0, 0); 
 
68
        else if (classNr == Code::STICKMAN)
 
69
                thing = new StickMan(v, g, 0, 0);
 
70
        else if (classNr == Code::ELLIPSE)
 
71
                thing = new Ellipse(v, g, 0, 0);
 
72
        else if (classNr == Code::UCD_BOUNDARY_BOX)
 
73
                thing = new UCDBoundaryBox(v, g, 0, 0);
 
74
        else if (classNr==Code::NOTE_BOX)
 
75
                thing = new NoteBox(v, g, 0, 0); 
 
76
        else if (classNr==Code::TEXT_BOX)
 
77
                thing = new TextBox(v, g, 0, 0); 
 
78
 
 
79
        // lines
 
80
        else if (classNr==Code::T4_LINE || classNr==Code::C2R2_LINE)
 
81
                thing = new C2R2Line(v, g, 0, 0, 0);
 
82
        else if (classNr==Code::LINE)
 
83
                thing = new Line(v, g, 0, 0, 0);
 
84
 
 
85
        // nodes
 
86
        else if (classNr==Code::UCD_ACTOR_NODE)
 
87
                thing = new UCDActorNode(cg);
 
88
        else if (classNr==Code::UCD_USE_CASE_NODE)
 
89
                thing = new UCDUseCaseNode(cg);
 
90
        else if (classNr==Code::UCD_SYSTEM_NODE)
 
91
                thing = new UCDSystemNode(cg);
 
92
        else if (classNr==Code::COMMENT)
 
93
                thing = new Comment(cg);
 
94
        else if (classNr==Code::NOTE)
 
95
                thing = new Note(cg);
 
96
 
 
97
        // edges
 
98
        else if (classNr==Code::BINARY_RELATIONSHIP || classNr==Code::UCD_BINARY_ASSOCIATION_EDGE)
 
99
                thing = new UCDBinaryAssociationEdge(cg, 0, 0);
 
100
        else if (classNr==Code::ISA_RELATIONSHIP || classNr==Code::UCD_GENERALIZATION_EDGE)
 
101
                thing = new UCDGeneralizationEdge(cg, 0, 0);
 
102
        else if (classNr==Code::COMMENT_LINK)
 
103
                thing = new CommentLink(cg, 0, 0);
 
104
 
 
105
        else
 
106
                error("%s, line %d: impl error: wrong class number %d\n", 
 
107
                        __FILE__, __LINE__, classNr);
 
108
        return thing;
 
109
}
 
110
 
 
111
Node *UCDiagram::CreateNode(){
 
112
        Node *node = 0;
 
113
        UCGraph *g = (UCGraph *)GetGraph();
 
114
 
 
115
        if (GetNodeType()==Code::UCD_ACTOR_NODE)
 
116
                node = new UCDActorNode(g);
 
117
        else if (GetNodeType()==Code::UCD_USE_CASE_NODE)
 
118
                node = new UCDUseCaseNode(g);
 
119
        else if (GetNodeType()==Code::UCD_SYSTEM_NODE)
 
120
                node = new UCDSystemNode(g);
 
121
        else if (GetNodeType()==Code::COMMENT)
 
122
                node = new Comment(g);
 
123
        else if (GetNodeType()==Code::NOTE)
 
124
                node = new Note(g);
 
125
        else
 
126
                error( "%s, line %d: impl error: unknown node type\n", 
 
127
                        __FILE__, __LINE__);
 
128
        return node;
 
129
}
 
130
 
 
131
Edge *UCDiagram::CreateEdge(Subject *subj1, Subject* subj2){
 
132
        if (!CheckEdgeConstraints(subj1, subj2))
 
133
                return 0;
 
134
        Edge* edge = 0;
 
135
        UCGraph *g = (UCGraph *)GetGraph();
 
136
        if (GetEdgeType() == Code::UCD_BINARY_ASSOCIATION_EDGE)
 
137
                edge = new UCDBinaryAssociationEdge(g, subj1, subj2);
 
138
        else if (GetEdgeType() == Code::UCD_GENERALIZATION_EDGE)
 
139
                edge = new UCDGeneralizationEdge(g, subj1, subj2);
 
140
        else if (GetEdgeType()==Code::COMMENT_LINK)
 
141
                edge = new CommentLink(g, subj1, subj2);
 
142
        else
 
143
                error( "%s, line %d: impl error: unknown edge type\n", 
 
144
                        __FILE__, __LINE__);
 
145
 
 
146
        if (GetEdgeType() == Code::UCD_GENERALIZATION_EDGE) {
 
147
                if (!CheckIsaLoop(edge)) {
 
148
                        delete edge;
 
149
                        return 0;
 
150
                }
 
151
        }
 
152
        return edge;
 
153
}
 
154
 
 
155
NodeShape *UCDiagram::CreateNodeShape(Node* node, int x, int y) {
 
156
        NodeShape* shape = 0;
 
157
        Grafport *g = GetDiagramViewer()->GetGrafport();
 
158
        ShapeView *v = GetDiagramViewer()->GetCurView();
 
159
        if (GetNodeShapeType() == Code::STICKMAN)
 
160
                shape = new StickMan(v, g, x, y);
 
161
        else if (GetNodeShapeType() == Code::UCD_SINGLE_CLASS_BOX)
 
162
                shape = new UCDSingleClassBox(v, g, x, y);
 
163
        else if (GetNodeShapeType() == Code::ELLIPSE)
 
164
                shape = new Ellipse(v, g, x, y);
 
165
        else if (GetNodeShapeType() == Code::UCD_BOUNDARY_BOX)
 
166
                shape = new UCDBoundaryBox(v, g, x, y);
 
167
        else if (GetNodeShapeType() == Code::TEXT_BOX)
 
168
                shape = new TextBox(v, g, x, y);
 
169
        else if (GetNodeShapeType() == Code::NOTE_BOX)
 
170
                shape = new NoteBox(v, g, x, y);
 
171
        else
 
172
                error( "%s, line %d: impl error: "
 
173
                        "node shape type doesn't exist\n", __FILE__, __LINE__);
 
174
        
 
175
        if (check(shape)) {
 
176
                shape->SetSubject(node);
 
177
                shape->SetTextShape();
 
178
        }
 
179
        return shape;
 
180
}
 
181
 
 
182
Line *UCDiagram::CreateLine(Edge* edge, GShape *from, GShape *to, List<Point*> *l) {
 
183
        Grafport *g = GetDiagramViewer()->GetGrafport();
 
184
        ShapeView *v = GetDiagramViewer()->GetCurView();
 
185
        Line* line = 0;
 
186
        if (GetLineType()== Code::C2R2_LINE)
 
187
                line = new C2R2Line(v, g, from, to, l, IsCurve());
 
188
        else if (GetLineType()== Code::LINE)
 
189
                line = new Line(v, g, from, to, l, IsCurve());
 
190
        else
 
191
                error( "%s, line %d: impl error: "
 
192
                        "edge shape type does not exist\n", __FILE__, __LINE__);
 
193
        
 
194
        if (check(line)) {
 
195
                line->SetSubject(edge);
 
196
                line->SetTextShape();
 
197
                line->SetEnd1(GetLineEnd1());
 
198
                line->SetEnd2(GetLineEnd2());
 
199
 
 
200
                if (GetEdgeType()==Code::COMMENT_LINK)
 
201
                        line->SetFixedName(True);
 
202
        }
 
203
        return line;
 
204
}
 
205
 
 
206
void UCDiagram::UpdateNodeType(int num) {
 
207
        ((DiagramWindow *)GetMainWindow())->SetNodeName(num);
 
208
        switch (num) {
 
209
        case 1: SetNodeType(Code::UCD_ACTOR_NODE);
 
210
                SetNodeShapeType(Code::STICKMAN);
 
211
                SetNodeLineStyle(LineStyle::SOLID);
 
212
                break;
 
213
        case 2: SetNodeType(Code::UCD_ACTOR_NODE);
 
214
                SetNodeShapeType(Code::UCD_SINGLE_CLASS_BOX);
 
215
                SetNodeLineStyle(LineStyle::SOLID);
 
216
                break;
 
217
        case 3: SetNodeType(Code::UCD_USE_CASE_NODE);
 
218
                SetNodeShapeType(Code::ELLIPSE);
 
219
                SetNodeLineStyle(LineStyle::SOLID);
 
220
                break;
 
221
        case 4: SetNodeType(Code::UCD_SYSTEM_NODE);
 
222
                SetNodeShapeType(Code::UCD_BOUNDARY_BOX);
 
223
                SetNodeLineStyle(LineStyle::SOLID);
 
224
                break;
 
225
        case 5: SetNodeType(Code::NOTE);
 
226
                SetNodeShapeType(Code::NOTE_BOX);
 
227
                SetNodeLineStyle(LineStyle::SOLID);
 
228
                break;
 
229
        case 6: SetNodeType(Code::COMMENT);
 
230
                SetNodeShapeType(Code::TEXT_BOX);
 
231
                SetNodeLineStyle(LineStyle::INVISIBLE);
 
232
                break;
 
233
        default:
 
234
                error("%s, line %d: impl error: "
 
235
                        "unknown node type selected\n", __FILE__,__LINE__);
 
236
        }
 
237
}
 
238
 
 
239
void UCDiagram::UpdateEdgeType(int num) {
 
240
        ((DiagramWindow *)GetMainWindow())->SetEdgeName(num);
 
241
        switch(num) {
 
242
        case 1: SetEdgeType(Code::UCD_BINARY_ASSOCIATION_EDGE);
 
243
                SetLineType(Code::C2R2_LINE);
 
244
                SetEdgeLineStyle(LineStyle::SOLID);
 
245
                SetLineEnd1(LineEnd::EMPTY);
 
246
                SetLineEnd2(LineEnd::EMPTY);
 
247
                break;
 
248
        case 2: SetEdgeType(Code::UCD_GENERALIZATION_EDGE);
 
249
                SetLineType(Code::LINE);
 
250
                SetEdgeLineStyle(LineStyle::SOLID);
 
251
                SetLineEnd1(LineEnd::EMPTY);
 
252
                SetLineEnd2(LineEnd::WHITE_TRIANGLE);
 
253
                break;
 
254
        case 3: SetEdgeType(Code::COMMENT_LINK);
 
255
                SetLineType(Code::LINE);
 
256
                SetEdgeLineStyle(LineStyle::WIDE_DOTTED);
 
257
                SetLineEnd1(LineEnd::EMPTY);
 
258
                SetLineEnd2(LineEnd::EMPTY);
 
259
                break;
 
260
 
 
261
        default:
 
262
                error("%s, line %d: impl error: "
 
263
                        "unknown edge type selected\n", __FILE__,__LINE__);
 
264
        }
 
265
}
 
266
 
 
267
void UCDiagram::CheckDocument() {
 
268
        chkbuf = "";
 
269
        unsigned total = 0;
 
270
        // Check that actors and use cases are named.
 
271
        total += ucChecks->CheckNamelessNodes(Code::UCD_ACTOR_NODE, chkbuf);
 
272
        total += ucChecks->CheckNamelessNodes(Code::UCD_USE_CASE_NODE, chkbuf);
 
273
 
 
274
        // double nodes can occur after cut-copy-paste
 
275
        total += ucChecks->CheckDoubleNodes(Code::UCD_ACTOR_NODE, chkbuf);
 
276
        total += ucChecks->CheckDoubleNodes(Code::UCD_USE_CASE_NODE, chkbuf);
 
277
 
 
278
        ReportCheck(total, &chkbuf);
 
279
}
 
280
 
 
281
bool UCDiagram::CheckEdgeConstraints(Subject *subj1, Subject *subj2) {
 
282
        // Check possible connections (subj-subj-edge matrix).
 
283
        if (!CheckConnection(subj1, subj2))
 
284
                return False;
 
285
        // int subj1Type = subj1->GetClassType();
 
286
        // int subj2Type = subj2->GetClassType();
 
287
        // Check for double is_a between same nodes.
 
288
        if (GetEdgeType()==Code::UCD_GENERALIZATION_EDGE &&
 
289
            GetGraph()->IsConnected(subj1, subj2, Code::UCD_GENERALIZATION_EDGE)) {
 
290
                string txt = "Cannot add another ";
 
291
                txt += Code::GetName(GetEdgeType());
 
292
                txt += " here";
 
293
                ShowDialog(MessageDialog::ERROR, "Error", &txt);
 
294
                return False;
 
295
        }
 
296
        return True;
 
297
}
 
298
 
 
299
 
 
300
bool UCDiagram::CheckIsaLoop(Edge *edge) {
 
301
        if (GetEdgeType() == Code::UCD_GENERALIZATION_EDGE) {
 
302
                GetGraph()->AddEdge(edge);
 
303
                Subject *n1 = edge->GetSubject1();
 
304
                if (GetGraph()->PathExists(n1, n1, Code::UCD_GENERALIZATION_EDGE)) {
 
305
                        string txt = "'is_a loops' are not allowed";
 
306
                        ShowDialog(MessageDialog::ERROR, "Error", &txt);
 
307
                        GetGraph()->RemoveEdge(edge);
 
308
                        return False;
 
309
                }
 
310
                GetGraph()->RemoveEdge(edge);
 
311
        }
 
312
        return True;
 
313
}
 
314
 
 
315
bool UCDiagram::SetText(TextShape *t, const string *s) {
 
316
        const string *description = t->GetDescription();
 
317
        Subject *subj = t->GetParent()->GetSubject();
 
318
        if (*description == "Cardinality Constraint")
 
319
                return SetConstraint(subj, s, t->GetSequence());
 
320
        else if (*description == "Role Name")
 
321
                return SetRoleName(subj, s, t->GetSequence()%2);
 
322
        else
 
323
                return Diagram::SetText(t, s);
 
324
}
 
325
 
 
326
bool UCDiagram::SetConstraint(Subject *subject, const string *s, unsigned nr) {
 
327
        List<GShape *> shapes;
 
328
        GetDiagramViewer()->GetShapes(subject, &shapes);
 
329
        bool wrong_syntax = False;
 
330
        Edge *e = (Edge *)subject;
 
331
        int eType = e->GetClassType();
 
332
        if (eType == Code::UCD_BINARY_ASSOCIATION_EDGE) {
 
333
                BinaryRelationship *edge = (BinaryRelationship *)subject;
 
334
                if (nr == 1) {
 
335
                        if (!edge->SetConstraint1(s))
 
336
                                wrong_syntax = True;
 
337
                }
 
338
                else if (nr == 2) {
 
339
                        if (!edge->SetConstraint2(s))
 
340
                                wrong_syntax = True;
 
341
                }
 
342
        }
 
343
        if (wrong_syntax) {
 
344
                string txt = "'" + *s + "' wrong syntax\n for a "
 
345
                                        "cardinality constraint";
 
346
                ShowDialog(MessageDialog::ERROR, "Error", &txt);
 
347
                return False;
 
348
        }
 
349
        if (check(shapes.first())) {
 
350
                do {
 
351
                        if (nr == 1)
 
352
                                ((C2R2Line *)shapes.cur())->UpdateTextShape1(s);
 
353
                        else
 
354
                                ((C2R2Line *)shapes.cur())->UpdateTextShape2(s);
 
355
                }
 
356
                while (shapes.next());
 
357
        }
 
358
        else 
 
359
                return False;
 
360
        return True;
 
361
}
 
362
 
 
363
bool UCDiagram::SetRoleName(Subject *subject, const string *s, unsigned nr) {
 
364
        List<GShape *> shapes;
 
365
        GetDiagramViewer()->GetShapes(subject, &shapes);
 
366
        BinaryRelationship *edge = (BinaryRelationship *)subject;
 
367
        bool succes = True;
 
368
        if (nr == 1) {
 
369
                if (!edge->SetRoleName1(s))
 
370
                        succes = False;
 
371
        }
 
372
        else {
 
373
                if (!edge->SetRoleName2(s))
 
374
                        succes = False;
 
375
        }
 
376
        if (!succes) {
 
377
                string txt = "'" + *s + "' is not a possible role name";
 
378
                ShowDialog(MessageDialog::ERROR, "Error", &txt);
 
379
                return False;
 
380
        }
 
381
        if (check(shapes.first())) {
 
382
                do {
 
383
                        Shape *shape = shapes.cur();
 
384
                        if (nr == 1)
 
385
                                ((C2R2Line *)shape)->UpdateTextShape3(s);
 
386
                        else 
 
387
                                ((C2R2Line *)shape)->UpdateTextShape4(s);
 
388
                } while (shapes.next());
 
389
        }
 
390
        else 
 
391
                return False;
 
392
        return True;
 
393
}