kdeprint Library API Documentation

kmdriverdb.cpp

00001 /* 00002 * This file is part of the KDE libraries 00003 * Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be> 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Library General Public 00007 * License version 2 as published by the Free Software Foundation. 00008 * 00009 * This library 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 GNU 00012 * 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 library; see the file COPYING.LIB. If not, write to 00016 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00017 * Boston, MA 02111-1307, USA. 00018 **/ 00019 00020 #include "kmdriverdb.h" 00021 #include "kmdbentry.h" 00022 #include "kmdbcreator.h" 00023 #include "kmmanager.h" 00024 #include "kmfactory.h" 00025 #include <kdebug.h> 00026 00027 #include <qfile.h> 00028 #include <qtextstream.h> 00029 #include <qfileinfo.h> 00030 #include <kstandarddirs.h> 00031 #include <kapplication.h> 00032 #include <kmessagebox.h> 00033 00034 KMDriverDB* KMDriverDB::m_self = 0; 00035 00036 KMDriverDB* KMDriverDB::self() 00037 { 00038 if (!m_self) 00039 { 00040 m_self = new KMDriverDB(); 00041 Q_CHECK_PTR(m_self); 00042 } 00043 return m_self; 00044 } 00045 00046 KMDriverDB::KMDriverDB(QObject *parent, const char *name) 00047 : QObject(parent,name) 00048 { 00049 m_creator = new KMDBCreator(this,"db-creator"); 00050 connect(m_creator,SIGNAL(dbCreated()),SLOT(slotDbCreated())); 00051 00052 m_entries.setAutoDelete(true); 00053 m_pnpentries.setAutoDelete(true); 00054 } 00055 00056 KMDriverDB::~KMDriverDB() 00057 { 00058 } 00059 00060 QString KMDriverDB::dbFile() 00061 { 00062 // this calls insure missing directories creation 00063 QString filename = locateLocal("data",QString::fromLatin1("kdeprint/printerdb_%1.txt").arg(KMFactory::self()->printSystem())); 00064 return filename; 00065 } 00066 00067 void KMDriverDB::init(QWidget *parent) 00068 { 00069 QFileInfo dbfi(dbFile()); 00070 QString dirname = KMFactory::self()->manager()->driverDirectory(); 00071 QStringList dbDirs = QStringList::split(':', dirname, false); 00072 bool createflag(false); 00073 00074 for (QStringList::ConstIterator it=dbDirs.begin(); it!=dbDirs.end() && !createflag; ++it) 00075 if (!(*it).startsWith("module:") && !m_creator->checkDriverDB(*it, dbfi.lastModified())) 00076 createflag = true; 00077 00078 if (createflag) 00079 { 00080 // starts DB creation and wait for creator signal 00081 if (!m_creator->createDriverDB(dirname,dbfi.absFilePath(),parent)) 00082 KMessageBox::error(parent, KMFactory::self()->manager()->errorMsg().prepend("<qt>").append("</qt>")); 00083 } 00084 else if (m_entries.count() == 0) 00085 { 00086 // call directly the slot as the DB won't be re-created 00087 // this will (re)load the driver DB 00088 slotDbCreated(); 00089 } 00090 else 00091 // no need to refresh, and already loaded, just emit signal 00092 emit dbLoaded(false); 00093 } 00094 00095 void KMDriverDB::slotDbCreated() 00096 { 00097 // DB should be created, check creator status 00098 if (m_creator->status()) 00099 { 00100 // OK, load DB and emit signal 00101 loadDbFile(); 00102 emit dbLoaded(true); 00103 } 00104 else 00105 // error while creating DB, notify the DB widget 00106 emit error(KMManager::self()->errorMsg()); 00107 // be sure to emit this signal to notify the DB widget 00108 //emit dbLoaded(true); 00109 } 00110 00111 KMDBEntryList* KMDriverDB::findEntry(const QString& manu, const QString& model) 00112 { 00113 QDict<KMDBEntryList> *models = m_entries.find(manu); 00114 if (models) 00115 return models->find(model); 00116 return 0; 00117 } 00118 00119 KMDBEntryList* KMDriverDB::findPnpEntry(const QString& manu, const QString& model) 00120 { 00121 QDict<KMDBEntryList> *models = m_pnpentries.find(manu); 00122 if (models) 00123 return models->find(model); 00124 return 0; 00125 } 00126 00127 QDict<KMDBEntryList>* KMDriverDB::findModels(const QString& manu) 00128 { 00129 return m_entries.find(manu); 00130 } 00131 00132 void KMDriverDB::insertEntry(KMDBEntry *entry) 00133 { 00134 // first check entry 00135 if (!entry->validate()) 00136 { 00137 kdDebug() << "Incorrect entry, skipping...(" << entry->file << ")" << endl; 00138 delete entry; 00139 return; 00140 } 00141 00142 // insert it in normal entries 00143 QDict<KMDBEntryList> *models = m_entries.find(entry->manufacturer); 00144 if (!models) 00145 { 00146 models = new QDict<KMDBEntryList>(17,false); 00147 models->setAutoDelete(true); 00148 m_entries.insert(entry->manufacturer,models); 00149 } 00150 KMDBEntryList *list = models->find(entry->model); 00151 if (!list) 00152 { 00153 list = new KMDBEntryList; 00154 list->setAutoDelete(true); 00155 models->insert(entry->model,list); 00156 } 00157 list->append(entry); 00158 00159 if (!entry->pnpmanufacturer.isEmpty() && !entry->pnpmodel.isEmpty()) 00160 { 00161 // insert it in PNP entries 00162 models = m_pnpentries.find(entry->manufacturer); 00163 if (!models) 00164 { 00165 models = new QDict<KMDBEntryList>(17,false); 00166 models->setAutoDelete(true); 00167 m_pnpentries.insert(entry->manufacturer,models); 00168 } 00169 list = models->find(entry->model); 00170 if (!list) 00171 { 00172 list = new KMDBEntryList; 00173 list->setAutoDelete(true); 00174 models->insert(entry->model,list); 00175 } 00176 list->append(entry); 00177 } 00178 00179 // don't block GUI 00180 kapp->processEvents(); 00181 } 00182 00183 /* 00184 Driver DB file format: 00185 FILE=<path> 00186 MANUFACTURER=<string> 00187 MODEL=<string> 00188 PNPMANUFACTURER=<string> 00189 PNPMODEL=<string> 00190 DESCRIPTION=<string> 00191 */ 00192 00193 void KMDriverDB::loadDbFile() 00194 { 00195 // first clear everything 00196 m_entries.clear(); 00197 m_pnpentries.clear(); 00198 00199 QFile f(dbFile()); 00200 if (f.exists() && f.open(IO_ReadOnly)) 00201 { 00202 QTextStream t(&f); 00203 QString line; 00204 QStringList words; 00205 KMDBEntry *entry(0); 00206 00207 while (!t.eof()) 00208 { 00209 line = t.readLine().stripWhiteSpace(); 00210 if (line.isEmpty()) 00211 continue; 00212 int p = line.find('='); 00213 if (p == -1) 00214 continue; 00215 words.clear(); 00216 words << line.left(p) << line.mid(p+1); 00217 if (words[0] == "FILE") 00218 { 00219 if (entry) insertEntry(entry); 00220 entry = new KMDBEntry; 00221 entry->file = words[1]; 00222 } 00223 else if (words[0] == "MANUFACTURER" && entry) 00224 entry->manufacturer = words[1].upper(); 00225 else if (words[0] == "MODEL" && entry) 00226 entry->model = words[1]; 00227 else if (words[0] == "MODELNAME" && entry) 00228 entry->modelname = words[1]; 00229 else if (words[0] == "PNPMANUFACTURER" && entry) 00230 entry->pnpmanufacturer = words[1].upper(); 00231 else if (words[0] == "PNPMODEL" && entry) 00232 entry->pnpmodel = words[1]; 00233 else if (words[0] == "DESCRIPTION" && entry) 00234 entry->description = words[1]; 00235 else if (words[0] == "RECOMMANDED" && entry && words[1].lower() == "yes") 00236 entry->recommended = true; 00237 else if (words[0] == "DRIVERCOMMENT" && entry) 00238 entry->drivercomment = ("<qt>"+words[1].replace("&lt;", "<").replace("&gt;", ">")+"</qt>"); 00239 } 00240 if (entry) 00241 insertEntry(entry); 00242 } 00243 } 00244 #include "kmdriverdb.moc"
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This file is part of the documentation for kdeprint Library Version 3.3.1.
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