kgamepropertylist.h
00001 /* 00002 This file is part of the TDE games library 00003 Copyright (C) 2001 Martin Heni (martin@heni-online.de) 00004 Copyright (C) 2001 Andreas Beckermann (b_mann@gmx.de) 00005 00006 This library is free software; you can redistribute it and/or 00007 modify it under the terms of the GNU Library General Public 00008 License version 2 as published by the Free Software Foundation. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public License 00016 along with this library; see the file COPYING.LIB. If not, write to 00017 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00018 Boston, MA 02110-1301, USA. 00019 */ 00020 00021 #ifndef __KGAMEPROPERTYLIST_H_ 00022 #define __KGAMEPROPERTYLIST_H_ 00023 00024 #include <tqvaluelist.h> 00025 00026 #include <kdebug.h> 00027 00028 #include "kgamemessage.h" 00029 #include "kgameproperty.h" 00030 #include "kgamepropertyhandler.h" 00031 00032 // AB: also see README.LIB! 00033 00034 template<class type> 00035 class KGamePropertyList : public TQValueList<type>, public KGamePropertyBase 00036 { 00037 public: 00041 typedef TQValueListIterator<type> Iterator; 00042 typedef TQValueListConstIterator<type> ConstIterator; 00043 00044 KGamePropertyList() :TQValueList<type>(), KGamePropertyBase() 00045 { 00046 } 00047 00048 KGamePropertyList( const KGamePropertyList<type> &a ) : TQValueList<type>(a) 00049 { 00050 } 00051 00052 uint findIterator(Iterator me) 00053 { 00054 Iterator it; 00055 uint cnt=0; 00056 for( it = this->begin(); it != this->end(); ++it ) 00057 { 00058 if (me==it) 00059 { 00060 return cnt; 00061 } 00062 cnt++; 00063 } 00064 return this->count(); 00065 } 00066 00067 Iterator insert( Iterator it, const type& d ) 00068 { 00069 it=TQValueList<type>::insert(it,d); 00070 00071 TQByteArray b; 00072 TQDataStream s(b, IO_WriteOnly); 00073 KGameMessage::createPropertyCommand(s,KGamePropertyBase::IdCommand,id(),CmdInsert); 00074 int i=findIterator(it); 00075 s << i; 00076 s << d; 00077 if (policy() == PolicyClean || policy() == PolicyDirty) 00078 { 00079 if (mOwner) 00080 { 00081 mOwner->sendProperty(s); 00082 } 00083 } 00084 if (policy() == PolicyDirty || policy() == PolicyLocal) 00085 { 00086 extractProperty(b); 00087 } 00088 return it; 00089 } 00090 00091 void prepend( const type& d) { insert(this->begin(),d); } 00092 00093 void append( const type& d ) 00094 { 00095 TQByteArray b; 00096 TQDataStream s(b, IO_WriteOnly); 00097 KGameMessage::createPropertyCommand(s,KGamePropertyBase::IdCommand,id(),CmdAppend); 00098 s << d; 00099 if (policy() == PolicyClean || policy() == PolicyDirty) 00100 { 00101 if (mOwner) 00102 { 00103 mOwner->sendProperty(s); 00104 } 00105 } 00106 if (policy() == PolicyDirty || policy() == PolicyLocal) 00107 { 00108 extractProperty(b); 00109 } 00110 } 00111 00112 Iterator erase( Iterator it ) 00113 { 00114 TQByteArray b; 00115 TQDataStream s(b, IO_WriteOnly); 00116 KGameMessage::createPropertyCommand(s,KGamePropertyBase::IdCommand,id(),CmdRemove); 00117 int i=findIterator(it); 00118 s << i; 00119 if (policy() == PolicyClean || policy() == PolicyDirty) 00120 { 00121 if (mOwner) 00122 { 00123 mOwner->sendProperty(s); 00124 } 00125 } 00126 if (policy() == PolicyDirty || policy() == PolicyLocal) 00127 { 00128 extractProperty(b); 00129 } 00130 //TODO: return value - is it correct for PolicyLocal|PolicyDirty? 00131 // return TQValueList<type>::remove(it); 00132 return it; 00133 } 00134 00135 Iterator remove( Iterator it ) 00136 { 00137 return erase(it); 00138 } 00139 00140 void remove( const type& d ) 00141 { 00142 Iterator it=find(d); 00143 remove(it); 00144 } 00145 00146 void clear() 00147 { 00148 TQByteArray b; 00149 TQDataStream s(b, IO_WriteOnly); 00150 KGameMessage::createPropertyCommand(s,KGamePropertyBase::IdCommand,id(),CmdClear); 00151 if (policy() == PolicyClean || policy() == PolicyDirty) 00152 { 00153 if (mOwner) 00154 { 00155 mOwner->sendProperty(s); 00156 } 00157 } 00158 if (policy() == PolicyDirty || policy() == PolicyLocal) 00159 { 00160 extractProperty(b); 00161 } 00162 } 00163 00164 void load(TQDataStream& s) 00165 { 00166 kdDebug(11001) << "KGamePropertyList load " << id() << endl; 00167 TQValueList<type>::clear(); 00168 uint size; 00169 type data; 00170 s >> size; 00171 00172 for (unsigned int i=0;i<size;i++) 00173 { 00174 s >> data; 00175 TQValueList<type>::append(data); 00176 } 00177 if (isEmittingSignal()) emitSignal(); 00178 } 00179 00180 void save(TQDataStream &s) 00181 { 00182 kdDebug(11001) << "KGamePropertyList save "<<id() << endl; 00183 type data; 00184 uint size=this->count(); 00185 s << size; 00186 Iterator it; 00187 for( it = this->begin(); it != this->end(); ++it ) 00188 { 00189 data=*it; 00190 s << data; 00191 } 00192 } 00193 00194 void command(TQDataStream &s,int cmd,bool) 00195 { 00196 KGamePropertyBase::command(s, cmd); 00197 kdDebug(11001) << "---> LIST id="<<id()<<" got command ("<<cmd<<") !!!" <<endl; 00198 Iterator it; 00199 switch(cmd) 00200 { 00201 case CmdInsert: 00202 { 00203 uint i; 00204 type data; 00205 s >> i >> data; 00206 it=this->at(i); 00207 TQValueList<type>::insert(it,data); 00208 // kdDebug(11001) << "CmdInsert:id="<<id()<<" i="<<i<<" data="<<data <<endl; 00209 if (isEmittingSignal()) emitSignal(); 00210 break; 00211 } 00212 case CmdAppend: 00213 { 00214 type data; 00215 s >> data; 00216 TQValueList<type>::append(data); 00217 // kdDebug(11001) << "CmdAppend:id=" << id() << " data=" << data << endl; 00218 if (isEmittingSignal()) emitSignal(); 00219 break; 00220 } 00221 case CmdRemove: 00222 { 00223 uint i; 00224 s >> i; 00225 it=this->at(i); 00226 TQValueList<type>::remove(it); 00227 kdDebug(11001) << "CmdRemove:id="<<id()<<" i="<<i <<endl; 00228 if (isEmittingSignal()) emitSignal(); 00229 break; 00230 } 00231 case CmdClear: 00232 { 00233 TQValueList<type>::clear(); 00234 kdDebug(11001) << "CmdClear:id="<<id()<<endl; 00235 if (isEmittingSignal()) emitSignal(); 00236 break; 00237 } 00238 default: 00239 kdDebug(11001) << "Error in KPropertyList::command: Unknown command " << cmd << endl; 00240 } 00241 } 00242 00243 protected: 00244 void extractProperty(const TQByteArray& b) 00245 // this is called for Policy[Dirty|Local] after putting the stuff into the 00246 // stream 00247 { 00248 TQDataStream s(b, IO_ReadOnly); 00249 int cmd; 00250 int propId; 00251 KGameMessage::extractPropertyHeader(s, propId); 00252 KGameMessage::extractPropertyCommand(s, propId, cmd); 00253 command(s, cmd, true); 00254 } 00255 00256 }; 00257 00258 #endif