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relation.h

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00001 /*  Inti: Integrated Foundation Classes
00002  *  Copyright (C) 2002-2003 The Inti Development Team.
00003  *
00004  *  This program is free software; you can redistribute it and/or modify
00005  *  it under the terms of the GNU General Public License as published by
00006  *  the Free Software Foundation; either version 2 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  This program is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this program; if not, write to the Free Software
00016  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017  */
00018  
00024 
00025 #ifndef INTI_ATK_RELATION_H
00026 #define INTI_ATK_RELATION_H
00027 
00028 #ifndef INTI_G_OBJECT_H
00029 #include <inti/glib/object.h>
00030 #endif
00031 
00032 #ifndef INTI_ATK_UTIL_H
00033 #include <inti/atk/util.h>
00034 #endif
00035 
00036 #ifndef __ATK_RELATION_H__
00037 #include <atk/atkrelationset.h>
00038 #endif
00039 
00040 #ifndef _CPP_VECTOR
00041 #include <vector>
00042 #endif
00043 
00044 namespace Inti {
00045 
00046 namespace Atk {
00047         
00048 class Object;
00049 class RelationClass;
00050 class RelationSetClass;
00051 
00058 
00059 class Relation : public G::Object
00060 {
00061         friend class G::Object;
00062         friend class RelationClass;
00063 
00064         Relation(const Relation&);
00065         Relation& operator=(const Relation&);
00066         
00067 protected:
00070 
00071         explicit Relation(AtkRelation *relation, bool reference = true);
00078 
00080 
00081 public:
00084 
00085         Relation(const std::vector<Atk::Object*>& targets, AtkRelationType relationship);
00090         
00091         virtual ~Relation();
00093         
00097 
00098         AtkRelation* atk_relation() const { return (AtkRelation*)instance; }
00100 
00101         AtkRelationClass* atk_relation_class() const;
00103 
00104         operator AtkRelation* () const;
00106 
00107         AtkRelationType get_relation_type() const;
00110 
00111         bool get_target(std::vector<Atk::Object*>& targets) const;
00115 
00117 };
00118 
00123 
00124 class RelationSet : public G::Object
00125 {
00126         friend class G::Object;
00127         friend class RelationSetClass;
00128 
00129         RelationSet(const RelationSet&);
00130         RelationSet& operator=(const RelationSet&);
00131         
00132 protected:
00135 
00136         explicit RelationSet(AtkRelationSet *set, bool reference = true);
00143 
00145 
00146 public:
00149 
00150         RelationSet();
00152 
00153         virtual ~RelationSet();
00155         
00159         
00160         AtkRelationSet* atk_relation_set() const { return (AtkRelationSet*)instance; }
00162 
00163         AtkRelationSetClass* atk_relation_set_class() const;
00165 
00166         operator AtkRelationSet* () const;
00168 
00169         bool contains(RelationType relationship) const;
00174 
00175         int get_n_relations() const;
00178 
00179         Relation* get_relation(int index) const;
00183 
00184         Relation* get_relation(RelationType relationship) const;
00188         
00192 
00193         void add(Relation& relation);
00196 
00197         void remove(Relation& relation);
00203 
00205 };
00206 
00207 } // namespace Atk
00208 
00209 } // namespace Inti
00210 
00211 #endif // INTI_ATK_RELATION_H
00212 
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