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/*
* Copyright (c) 1994-1999 Vectaport Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef graphcomp_h
#define graphcomp_h
#include <OverlayUnidraw/ovviews.h>
#include <OverlayUnidraw/ovcomps.h>
#include <OverlayUnidraw/scriptview.h>
#include <Unidraw/Components/psview.h>
class EdgeComp;
class NodeComp;
class UList;
//: component used to group a set of nodes and edges into a graph.
class GraphComp : public OverlaysComp {
public:
GraphComp(const char* pathname = nil, OverlayComp* parent = nil);
GraphComp(Graphic*, OverlayComp* parent = nil);
GraphComp(istream&, const char* pathname = nil, OverlayComp* parent = nil);
virtual ~GraphComp();
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
virtual Component* Copy();
virtual GraphComp* GraphCopy();
void AppendEdge(EdgeComp*);
// add edge component to the graph.
UList* GraphEdges();
// return list of edge components.
virtual void GrowIndexedGS(Graphic*);
virtual Graphic* GetIndexedGS(int);
int GetNumEdge() { return _num_edge; }
// number of edges in graph.
int GetNumNode() { return _num_node; }
// number of nodes in graph.
virtual void SetPathName(const char*);
// set pathname associated with graph from separate file.
virtual const char* GetPathName();
// get pathname associated with graph from separate file.
virtual const char* GetBaseDir();
// get base directory portion of associated pathname.
virtual const char* GetFile();
// get file portion of associated pathname.
protected:
UList* _graphedges;
int _num_edge;
int _num_node;
char* _pathname;
char* _basedir;
char* _file;
Picture* _gslist;
protected:
ParamList* GetParamList();
void GrowParamList(ParamList*);
static ParamList* _graph_params;
CLASS_SYMID("GraphComp");
};
inline UList* GraphComp::GraphEdges() { return _graphedges; }
//: graphical view of GraphComp.
class GraphView : public OverlaysView {
public:
GraphView(GraphComp* = nil);
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
};
//: serialized view of GraphComp.
class GraphScript : public OverlaysScript {
public:
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
GraphScript(GraphComp* = nil);
virtual void SetGSList(Clipboard*);
virtual Clipboard* GetGSList();
static int ReadChildren(istream&, void*, void*, void*, void*);
virtual boolean Definition(ostream&);
protected:
Clipboard* _gslist;
};
/*****************************************************************************/
//: top-level component in a graphdraw document.
// Note: in the future this class could be derived from GraphComp, once the
// signature of OverlayIdrawComp is completely available as a mixin.
class GraphIdrawComp : public OverlayIdrawComp {
public:
GraphIdrawComp(const char* pathname = nil, OverlayComp* parent = nil);
// construct from 'pathname'.
GraphIdrawComp(istream&, const char* pathname = nil, OverlayComp* parent = nil);
// construct from istream that may have been opened on 'pathname'.
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
virtual void Interpret(Command*);
// interpret ungroup command; pass rest to base class.
void Ungroup(OverlayComp*, Clipboard*, Command*);
// method to assist in ungrouping.
Component* Copy();
int GetNumEdge() { return _num_edge; }
// number of edges in the document.
int GetNumNode() { return _num_node; }
// number of nodes in the document.
protected:
int _num_edge;
int _num_node;
protected:
ParamList* GetParamList();
void GrowParamList(ParamList*);
static ParamList* _graph_idraw_params;
CLASS_SYMID("GraphIdrawComp");
};
//: graphical view of GraphIdrawComp.
class GraphIdrawView : public OverlayIdrawView {
public:
GraphIdrawView(GraphIdrawComp* = nil);
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
};
//: serialized view of GraphIdrawComp.
class GraphIdrawScript : public OverlayIdrawScript {
public:
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
GraphIdrawScript(GraphIdrawComp* = nil);
static int ReadChildren(istream&, void*, void*, void*, void*);
// read through, and construct, all sub-objects in the document;
// for use of GraphIdrawComp istream constructor.
virtual boolean Emit(ostream&);
// output graphdraw document.
boolean dot_format() { return format() ? strcmp(format(), "dot")==0 : 0; }
// test for GraphViz dot format export
};
#endif
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