tagset.cpp
00001 /* 00002 This file is part of Akregator. 00003 00004 Copyright (C) 2005 Frank Osterfeld <frank.osterfeld at kdemail.net> 00005 00006 This program is free software; you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 2 of the License, or 00009 (at your option) any later version. 00010 00011 This program is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this program; if not, write to the Free Software 00018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00019 00020 As a special exception, permission is given to link this program 00021 with any edition of TQt, and distribute the resulting executable, 00022 without including the source code for TQt in the source distribution. 00023 */ 00024 00025 #include "tag.h" 00026 #include "tagset.h" 00027 00028 #include <tqdom.h> 00029 #include <tqmap.h> 00030 #include <tqstring.h> 00031 #include <tqstringlist.h> 00032 00033 namespace Akregator { 00034 00035 class TagSet::TagSetPrivate 00036 { 00037 public: 00038 TQMap<TQString,Tag> map; 00039 }; 00040 00041 TagSet::TagSet(TQObject* parent) : TQObject(parent), d(new TagSetPrivate) 00042 { 00043 } 00044 00045 TagSet::~TagSet() 00046 { 00047 TQValueList<Tag> tags = d->map.values(); 00048 for (TQValueList<Tag>::Iterator it = tags.begin(); it != tags.end(); ++it) 00049 (*it).removedFromTagSet(this); 00050 00051 delete d; 00052 d = 0; 00053 } 00054 00055 void TagSet::insert(const Tag& tag) 00056 { 00057 if (!d->map.contains(tag.id())) 00058 { 00059 d->map.insert(tag.id(), tag); 00060 tag.addedToTagSet(this); 00061 emit signalTagAdded(tag); 00062 } 00063 } 00064 00065 void TagSet::remove(const Tag& tag) 00066 { 00067 if (d->map.contains(tag.id())) 00068 { 00069 d->map.remove(tag.id()); 00070 tag.removedFromTagSet(this); 00071 emit signalTagRemoved(tag); 00072 } 00073 } 00074 00075 bool TagSet::containsID(const TQString& id) const 00076 { 00077 return d->map.contains(id); 00078 } 00079 00080 bool TagSet::contains(const Tag& tag) const 00081 { 00082 return d->map.contains(tag.id()); 00083 } 00084 00085 Tag TagSet::findByID(const TQString& id) const 00086 { 00087 return d->map.contains(id) ? d->map[id] : Tag(); 00088 } 00089 00090 TQMap<TQString,Tag> TagSet::toMap() const 00091 { 00092 return d->map; 00093 } 00094 00095 void TagSet::readFromXML(const TQDomDocument& doc) 00096 { 00097 TQDomElement root = doc.documentElement(); 00098 00099 if (root.isNull()) 00100 return; 00101 00102 TQDomNodeList list = root.elementsByTagName(TQString::fromLatin1("tag")); 00103 00104 for (uint i = 0; i < list.length(); ++i) 00105 { 00106 TQDomElement e = list.item(i).toElement(); 00107 if (!e.isNull()) 00108 { 00109 if (e.hasAttribute(TQString::fromLatin1("id"))) 00110 { 00111 TQString id = e.attribute(TQString::fromLatin1("id")); 00112 TQString name = e.text(); 00113 TQString scheme = e.attribute(TQString::fromLatin1("scheme")); 00114 Tag tag(id, name, scheme); 00115 00116 TQString icon = e.attribute(TQString::fromLatin1("icon")); 00117 if (!icon.isEmpty()) 00118 tag.setIcon(icon); 00119 00120 insert(tag); 00121 00122 } 00123 } 00124 } 00125 00126 } 00127 void TagSet::tagUpdated(const Tag& tag) 00128 { 00129 emit signalTagUpdated(tag); 00130 } 00131 00132 TQDomDocument TagSet::toXML() const 00133 { 00134 TQDomDocument doc; 00135 doc.appendChild( doc.createProcessingInstruction( "xml", "version=\"1.0\" encoding=\"UTF-8\"" ) ); 00136 00137 TQDomElement root = doc.createElement("tagSet"); 00138 root.setAttribute( "version", "0.1" ); 00139 doc.appendChild(root); 00140 00141 TQValueList<Tag> list = d->map.values(); 00142 for (TQValueList<Tag>::ConstIterator it = list.begin(); it != list.end(); ++it) 00143 { 00144 00145 TQDomElement tn = doc.createElement("tag"); 00146 00147 TQDomText text = doc.createTextNode((*it).name()); 00148 tn.setAttribute(TQString::fromLatin1("id"),(*it).id()); 00149 if (!(*it).scheme().isEmpty()) 00150 tn.setAttribute(TQString::fromLatin1("scheme"),(*it).scheme()); 00151 if (!(*it).icon().isEmpty()) 00152 tn.setAttribute(TQString::fromLatin1("icon"),(*it).icon()); 00153 tn.appendChild(text); 00154 root.appendChild(tn); 00155 } 00156 return doc; 00157 } 00158 00159 } // namespace Akregator 00160 00161 #include "tagset.moc"