dcfdiagram.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 1995, 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 "dcfwindow.h"
#include "dcfgraph.h"
#include "dcfviewer.h"
#include "dcfstubs.h"
#include "dcfchecks.h"
#include "externalentity.h"
#include "datastore.h"
#include "eventstore.h"
#include "dataprocess.h"
#include "controlprocess.h"
#include "splitmergenode.h"
#include "bidirectionaldataflow.h"
#include "continuousdataflow.h"
#include "continuouseventflow.h"
#include "square.h"
#include "circle.h"
#include "line.h"
#include "horizontalbar.h"
#include "textbox.h"
#include "blackdot.h"
#include "comment.h"
#include "dcfdiagram.h"
#include "togglelistdialog.h"
#include <ctype.h>
 
DCFDiagram::DCFDiagram(Config *c, DCFWindow *d, DCFViewer *v, DCFGraph *g): 
		DFDiagram(c,d,v,g) {
	UpdateNodeType(1);
	UpdateEdgeType(1);
	dcfChecks = new DCFChecks(this,g);
	List<string *> l;
	l.add(new string("Continuing			    "));
	l.add(new string("Instantaneous			 "));
	persistenceDialog = new ToggleListDialog(d->GetWidget(), False);
	persistenceDialog->Initialize();
	persistenceDialog->SetTitle("Process persistence");
	persistenceDialog->CreateToggles(&l);
	persistenceDialog->ManageCancelButton(False);
	persistenceDialog->SetToggleChangedCallback(
		DCFStubs::PersistenceOKCB, this);
	l.clear();
	l.add(new string("Stimulus			"));
	l.add(new string("Time				"));
	l.add(new string("Trigger			"));
	l.add(new string("Unspecified			"));
	activationDialog = new ToggleListDialog(d->GetWidget(), True);
	activationDialog->Initialize();
	activationDialog->SetTitle("Process activation");
	activationDialog->CreateToggles(&l);
	activationDialog->ManageCancelButton(False);
	activationDialog->SetToggleChangedCallback(
		DCFStubs::ActivationToggleCB, this);
	activationDialog->SetOKCallback(DCFStubs::ActivationOKCB, this);
	l.clear();
}

DCFDiagram::~DCFDiagram() {
	delete dcfChecks;
	delete activationDialog;
	delete persistenceDialog;
}

Thing *DCFDiagram::CreateThing(int classNr) {
	Grafport *g = GetDiagramViewer()->GetGrafport();
	ShapeView *v = GetDiagramViewer()->GetCurView();
	DCFGraph *dg = (DCFGraph *)GetGraph();
	Thing *thing = 0;
	// view
	if (classNr == Code::VIEW)
		thing = new ShapeView(GetDiagramViewer());
	// node shapes
	else if (classNr == Code::SQUARE)
		thing = new Square(v, g, 0, 0);
	else if (classNr == Code::HORIZONTAL_BAR)
		thing = new HorizontalBar(v, g, 0, 0);
	else if (classNr == Code::CIRCLE) {
		Circle *c = new Circle(v, g, 0, 0);
		c->SetFixedIndexLabel(False);
		thing = c;
	}
	else if (classNr == Code::BLACK_DOT)
		thing = new BlackDot(v, g, 0, 0);
	else if (classNr == Code::TEXT_BOX)
		thing = new TextBox(v, g, 0, 0);
	// lines
	else if (classNr == Code::LINE)
		thing = new Line(v, g, 0, 0, 0);
	else if (classNr == Code::ARROW) {
		Line *line = new Line(v, g, 0, 0, 0);
		line->SetEnd1(LineEnd::EMPTY);
		line->SetEnd2(LineEnd::FILLED_ARROW);
		thing = line;
	}
	else if (classNr == Code::DOUBLE_ARROW) {
		Line *line = new Line(v, g, 0, 0, 0);
		line->SetEnd1(LineEnd::FILLED_ARROW);
		line->SetEnd2(LineEnd::FILLED_ARROW);
		thing = line;
	}
	else if (classNr == Code::DOUBLE_HEADED_ARROW) {
		Line *line = new Line(v, g, 0, 0, 0);
		line->SetEnd1(LineEnd::EMPTY);
		line->SetEnd2(LineEnd::DOUBLE_FILLED_ARROW);
		thing = line;
	}
	// nodes
	else if (classNr == Code::EXTERNAL_ENTITY)
		thing = new ExternalEntity(dg);
	else if (classNr == Code::DATA_STORE)
		thing = new DataStore(dg);
	else if (classNr == Code::DATA_PROCESS)
		thing = new DataProcess(dg);
	else if (classNr == Code::SPLIT_MERGE_NODE)
		thing = new SplitMergeNode(dg);
	else if (classNr == Code::CONTROL_PROCESS)
		thing = new ControlProcess(dg);
	else if (classNr == Code::EVENT_STORE)
		thing = new EventStore(dg);
	else if (classNr == Code::COMMENT)
		thing = new Comment(dg);
	// edges
	else if (classNr == Code::DATA_FLOW)
		thing = new DataFlow(dg, 0, 0);
	else if (classNr == Code::BIDIRECTIONAL_DATA_FLOW)
		thing = new BidirectionalDataFlow(dg, 0, 0);
	else if (classNr == Code::EVENT_FLOW)
		thing = new EventFlow(dg, 0, 0);
	else if (classNr == Code::CONTINUOUS_DATA_FLOW)
		thing = new ContinuousDataFlow(dg, 0, 0);
	else if (classNr == Code::CONTINUOUS_EVENT_FLOW)
		thing = new ContinuousEventFlow(dg, 0, 0);
	else
		error("%s, line %d: impl error: "
			"wrong class number %d\n", __FILE__, __LINE__, classNr);
	return thing;
}

Node *DCFDiagram::CreateNode(){
	Node *node = 0;
	DCFGraph *g = (DCFGraph *)GetGraph();
	if (GetNodeType() == Code::EXTERNAL_ENTITY)
		node = new ExternalEntity(g);
	else if (GetNodeType() == Code::DATA_PROCESS)
		node = new DataProcess(g);
	else if (GetNodeType() == Code::CONTROL_PROCESS)
		node = new ControlProcess(g);
	else if (GetNodeType() == Code::DATA_STORE)
		node = new DataStore(g);
	else if (GetNodeType() == Code::EVENT_STORE)
		node = new EventStore(g);
	else if (GetNodeType() == Code::SPLIT_MERGE_NODE)
		node = new SplitMergeNode(g);
	else if (GetNodeType() == Code::COMMENT)
		node = new Comment(g);
	else
		error("%s, line %d: unknown node type\n", __FILE__, __LINE__);
	return node;
}

Edge *DCFDiagram::CreateEdge(Subject *subj1, Subject *subj2){
	if (!CheckEdgeConstraints(subj1, subj2))
		return 0;
	Edge *edge = 0;
	DCFGraph *g = (DCFGraph *)GetGraph();
	if (GetEdgeType() == Code::DATA_FLOW)
		edge = new DataFlow(g, subj1, subj2);
	else if (GetEdgeType() == Code::BIDIRECTIONAL_DATA_FLOW)
		edge = new BidirectionalDataFlow(g, subj1, subj2);
	else if (GetEdgeType() == Code::EVENT_FLOW)
		edge = new EventFlow(g, subj1, subj2);
	else if (GetEdgeType() == Code::CONTINUOUS_DATA_FLOW)
		edge = new ContinuousDataFlow(g, subj1, subj2);
	else if (GetEdgeType() == Code::CONTINUOUS_EVENT_FLOW)
		edge = new ContinuousEventFlow(g, subj1, subj2);
	else
		error("%s, line %d: unknown edge type\n", __FILE__, __LINE__);
	return edge;
}

NodeShape *DCFDiagram::CreateNodeShape(Node *node, int x, int y){
	NodeShape *shape = 0;
	Grafport *g = GetDiagramViewer()->GetGrafport();
	ShapeView *v = GetDiagramViewer()->GetCurView();
	if (GetNodeShapeType() == Code::CIRCLE) {
		Circle *c = new Circle(v, g, x, y);
		c->SetFixedIndexLabel(False);
		shape = c;
	}
	else if (GetNodeShapeType() == Code::SQUARE)
		shape = new Square(v, g, x, y);
	else if (GetNodeShapeType() == Code::HORIZONTAL_BAR)
		shape = new HorizontalBar(v, g, x, y);
	else if (GetNodeShapeType() == Code::BLACK_DOT)
		shape = new BlackDot(v, g, x, y);
	else if (GetNodeShapeType() == Code::TEXT_BOX)
		shape = new TextBox(v, g, x, y);
	else
		error("%s, line %d: impl error: "
			"node shape type does not exist\n", __FILE__, __LINE__);
	
	if (check(shape)) {
		shape->SetSubject(node);
		shape->SetTextShape();
	}
	return shape;
}

Line *DCFDiagram::CreateLine(
		Edge *edge, GShape *from, GShape *to, List<Point *> *l) {
	Grafport *g = GetDiagramViewer()->GetGrafport();
	ShapeView *v = GetDiagramViewer()->GetCurView();
	Line *line = 0;
	if (GetLineType() == Code::LINE)
		line = new Line(v, g, from, to, l, IsCurve());
	else 
		error("%s, line %d: impl error: "
			"line type does not exist\n", __FILE__, __LINE__);
	
	if (check(line)) {
		line->SetSubject(edge);
		line->SetTextShape();
		line->SetEnd1(GetLineEnd1());
		line->SetEnd2(GetLineEnd2());
	}
	return line;
}

void DCFDiagram::UpdateNodeType(int num) {
	((DiagramWindow *)GetMainWindow())->SetNodeName(num);
	switch (num) {
	case 1: SetNodeType(Code::DATA_PROCESS);
		SetNodeShapeType(Code::CIRCLE);
		SetNodeLineStyle(LineStyle::SOLID);
		break;
	case 2: SetNodeType(Code::CONTROL_PROCESS);
		SetNodeShapeType(Code::CIRCLE);
		SetNodeLineStyle(LineStyle::DASHED);
		break;
	case 3: SetNodeType(Code::EXTERNAL_ENTITY);
		SetNodeShapeType(Code::SQUARE);
		SetNodeLineStyle(LineStyle::SOLID);
		break;
	case 4: SetNodeType(Code::DATA_STORE);
		SetNodeShapeType(Code::HORIZONTAL_BAR);