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00022 #include "kbookmark.h"
00023 #include <qvaluestack.h>
00024 #include <kdebug.h>
00025 #include <kmimetype.h>
00026 #include <kstringhandler.h>
00027 #include <kinputdialog.h>
00028 #include <kglobal.h>
00029 #include <klocale.h>
00030 #include <assert.h>
00031 #include <kapplication.h>
00032 #include <dcopclient.h>
00033 #include <kbookmarkmanager.h>
00034
00035 KBookmarkGroup::KBookmarkGroup()
00036 : KBookmark( QDomElement() )
00037 {
00038 }
00039
00040 KBookmarkGroup::KBookmarkGroup( QDomElement elem )
00041 : KBookmark(elem)
00042 {
00043 }
00044
00045 QString KBookmarkGroup::groupAddress() const
00046 {
00047 if (m_address.isEmpty())
00048 m_address = address();
00049 return m_address;
00050 }
00051
00052 bool KBookmarkGroup::isOpen() const
00053 {
00054 return element.attribute("folded") == "no";
00055 }
00056
00057
00058 static QDomElement firstElement(QDomNode n)
00059 {
00060 while(!n.isNull() && !n.isElement())
00061 n = n.nextSibling();
00062 return n.toElement();
00063 }
00064
00065
00066 static QDomElement lastElement(QDomNode n)
00067 {
00068 while(!n.isNull() && !n.isElement())
00069 n = n.previousSibling();
00070 return n.toElement();
00071 }
00072
00073 KBookmark KBookmarkGroup::first() const
00074 {
00075 return KBookmark( nextKnownTag( firstElement(element.firstChild()), true ) );
00076 }
00077
00078 KBookmark KBookmarkGroup::previous( const KBookmark & current ) const
00079 {
00080 return KBookmark( nextKnownTag( lastElement(current.element.previousSibling()), false ) );
00081 }
00082
00083 KBookmark KBookmarkGroup::next( const KBookmark & current ) const
00084 {
00085 return KBookmark( nextKnownTag( firstElement(current.element.nextSibling()), true ) );
00086 }
00087
00088
00089
00090 QDomElement KBookmarkGroup::nextKnownTag( QDomElement start, bool goNext ) const
00091 {
00092 static const QString & bookmark = KGlobal::staticQString("bookmark");
00093 static const QString & folder = KGlobal::staticQString("folder");
00094 static const QString & separator = KGlobal::staticQString("separator");
00095
00096 for( QDomNode n = start; !n.isNull(); )
00097 {
00098 QDomElement elem = n.toElement();
00099 QString tag = elem.tagName();
00100 if (tag == folder || tag == bookmark || tag == separator)
00101 return elem;
00102 if (goNext)
00103 n = n.nextSibling();
00104 else
00105 n = n.previousSibling();
00106 }
00107 return QDomElement();
00108 }
00109
00110 KBookmarkGroup KBookmarkGroup::createNewFolder( KBookmarkManager* mgr, const QString & text, bool emitSignal )
00111 {
00112 QString txt( text );
00113 if ( text.isEmpty() )
00114 {
00115 bool ok;
00116 QString caption = parentGroup().fullText().isEmpty() ?
00117 i18n( "Create New Bookmark Folder" ) :
00118 i18n( "Create New Bookmark Folder in %1" )
00119 .arg( parentGroup().text() );
00120 txt = KInputDialog::getText( caption, i18n( "New folder:" ),
00121 QString::null, &ok );
00122 if ( !ok )
00123 return KBookmarkGroup();
00124 }
00125
00126 Q_ASSERT(!element.isNull());
00127 QDomDocument doc = element.ownerDocument();
00128 QDomElement groupElem = doc.createElement( "folder" );
00129 element.appendChild( groupElem );
00130 QDomElement textElem = doc.createElement( "title" );
00131 groupElem.appendChild( textElem );
00132 textElem.appendChild( doc.createTextNode( txt ) );
00133
00134 KBookmarkGroup grp(groupElem);
00135
00136 if (emitSignal)
00137 emit mgr->notifier().createdNewFolder(
00138 mgr->path(), grp.fullText(),
00139 grp.address() );
00140
00141 return grp;
00142
00143 }
00144
00145 KBookmark KBookmarkGroup::createNewSeparator()
00146 {
00147 Q_ASSERT(!element.isNull());
00148 QDomDocument doc = element.ownerDocument();
00149 Q_ASSERT(!doc.isNull());
00150 QDomElement sepElem = doc.createElement( "separator" );
00151 element.appendChild( sepElem );
00152 return KBookmark(sepElem);
00153 }
00154
00155 bool KBookmarkGroup::moveItem( const KBookmark & item, const KBookmark & after )
00156 {
00157 QDomNode n;
00158 if ( !after.isNull() )
00159 n = element.insertAfter( item.element, after.element );
00160 else
00161 {
00162 if ( element.firstChild().isNull() )
00163 n = element.insertBefore( item.element, QDomElement() );
00164
00165
00166 QDomElement firstChild = nextKnownTag(element.firstChild().toElement(), true);
00167 if ( !firstChild.isNull() )
00168 n = element.insertBefore( item.element, firstChild );
00169 else
00170 {
00171
00172 n = element.appendChild( item.element );
00173 }
00174 }
00175 return (!n.isNull());
00176 }
00177
00178 KBookmark KBookmarkGroup::addBookmark( KBookmarkManager* mgr, const KBookmark &bm, bool emitSignal )
00179 {
00180 element.appendChild( bm.internalElement() );
00181
00182 if (emitSignal) {
00183 if ( bm.hasMetaData() ) {
00184 mgr->notifyCompleteChange( "" );
00185 } else {
00186 emit mgr->notifier().addedBookmark(
00187 mgr->path(), bm.url().url(),
00188 bm.fullText(), bm.address(), bm.icon() );
00189 }
00190 }
00191
00192 return bm;
00193 }
00194
00195 KBookmark KBookmarkGroup::addBookmark( KBookmarkManager* mgr, const QString & text, const KURL & url, const QString & icon, bool emitSignal )
00196 {
00197
00198 QDomDocument doc = element.ownerDocument();
00199 QDomElement elem = doc.createElement( "bookmark" );
00200 elem.setAttribute( "href", url.url( 0, 106 ) );
00201 QString _icon = icon;
00202 if ( _icon.isEmpty() )
00203 _icon = KMimeType::iconForURL( url );
00204 elem.setAttribute( "icon", _icon );
00205
00206 QDomElement textElem = doc.createElement( "title" );
00207 elem.appendChild( textElem );
00208 textElem.appendChild( doc.createTextNode( text ) );
00209
00210 return addBookmark( mgr, KBookmark( elem ), emitSignal );
00211 }
00212
00213 void KBookmarkGroup::deleteBookmark( KBookmark bk )
00214 {
00215 element.removeChild( bk.element );
00216 }
00217
00218 bool KBookmarkGroup::isToolbarGroup() const
00219 {
00220 return ( element.attribute("toolbar") == "yes" );
00221 }
00222
00223 QDomElement KBookmarkGroup::findToolbar() const
00224 {
00225 if ( element.attribute("toolbar") == "yes" )
00226 return element;
00227 for (QDomNode n = element.firstChild(); !n.isNull() ; n = n.nextSibling() )
00228 {
00229 QDomElement e = n.toElement();
00230
00231 if ( e.tagName() == "folder" )
00232 {
00233 if ( e.attribute("toolbar") == "yes" )
00234 return e;
00235 else
00236 {
00237 QDomElement result = KBookmarkGroup(e).findToolbar();
00238 if (!result.isNull())
00239 return result;
00240 }
00241 }
00242 }
00243 return QDomElement();
00244 }
00245
00246 QValueList<KURL> KBookmarkGroup::groupUrlList() const
00247 {
00248 QValueList<KURL> urlList;
00249 for ( KBookmark bm = first(); !bm.isNull(); bm = next(bm) )
00250 {
00251 if ( bm.isSeparator() || bm.isGroup() )
00252 continue;
00253 urlList << bm.url();
00254 }
00255 return urlList;
00256 }
00257
00259
00260 bool KBookmark::isGroup() const
00261 {
00262 QString tag = element.tagName();
00263 return ( tag == "folder"
00264 || tag == "xbel" );
00265 }
00266
00267 bool KBookmark::isSeparator() const
00268 {
00269 return (element.tagName() == "separator");
00270 }
00271
00272 bool KBookmark::hasParent() const
00273 {
00274 QDomElement parent = element.parentNode().toElement();
00275 return !parent.isNull();
00276 }
00277
00278 QString KBookmark::text() const
00279 {
00280 return KStringHandler::csqueeze( fullText() );
00281 }
00282
00283 QString KBookmark::fullText() const
00284 {
00285 if (isSeparator())
00286 return i18n("--- separator ---");
00287
00288 return element.namedItem("title").toElement().text();
00289 }
00290
00291 KURL KBookmark::url() const
00292 {
00293 return KURL(element.attribute("href"), 106);
00294 }
00295
00296 QString KBookmark::icon() const
00297 {
00298 QString icon = element.attribute("icon");
00299 if ( icon.isEmpty() )
00300
00301
00302 if ( isGroup() )
00303 icon = "bookmark_folder";
00304 else
00305 if ( isSeparator() )
00306 icon = "eraser";
00307 else
00308 icon = KMimeType::iconForURL( url() );
00309 return icon;
00310 }
00311
00312 KBookmarkGroup KBookmark::parentGroup() const
00313 {
00314 return KBookmarkGroup( element.parentNode().toElement() );
00315 }
00316
00317 KBookmarkGroup KBookmark::toGroup() const
00318 {
00319 Q_ASSERT( isGroup() );
00320 return KBookmarkGroup(element);
00321 }
00322
00323 QString KBookmark::address() const
00324 {
00325 if ( element.tagName() == "xbel" )
00326 return "";
00327 else
00328 {
00329
00330 if (!hasParent())
00331 {
00332 Q_ASSERT(hasParent());
00333 return "ERROR";
00334 }
00335 KBookmarkGroup group = parentGroup();
00336 QString parentAddress = group.address();
00337 uint counter = 0;
00338
00339
00340 for ( KBookmark bk = group.first() ; !bk.isNull() ; bk = group.next(bk), ++counter )
00341 {
00342 if ( bk.element == element )
00343 return parentAddress + "/" + QString::number(counter);
00344 }
00345 kdWarning() << "KBookmark::address : this can't happen! " << parentAddress << endl;
00346 return "ERROR";
00347 }
00348 }
00349
00350 KBookmark KBookmark::standaloneBookmark( const QString & text, const KURL & url, const QString & icon )
00351 {
00352 QDomDocument doc("xbel");
00353 QDomElement elem = doc.createElement("xbel");
00354 doc.appendChild( elem );
00355 KBookmarkGroup grp( elem );
00356 grp.addBookmark( 0L, text, url, icon, false );
00357 return grp.first();
00358 }
00359
00360
00361
00362 QString KBookmark::left(const QString & str, uint len)
00363 {
00364
00365 if(len == 0)
00366 return QString("");
00367 else
00368 return str.left(len);
00369 }
00370
00371 QString KBookmark::commonParent(QString A, QString B)
00372 {
00373 QString error("ERROR");
00374 if(A == error || B == error)
00375 return error;
00376
00377 A += "/";
00378 B += "/";
00379
00380 uint lastCommonSlash = 0;
00381 uint lastPos = A.length() < B.length() ? A.length() : B.length();
00382 for(uint i=0; i < lastPos; ++i)
00383 {
00384 if(A[i] != B[i])
00385 return left(A, lastCommonSlash);
00386 if(A[i] == '/')
00387 lastCommonSlash = i;
00388 }
00389 return left(A, lastCommonSlash);
00390 }
00391
00392 static QDomNode cd_or_create(QDomNode node, QString name)
00393 {
00394 QDomNode subnode = node.namedItem(name);
00395 if (subnode.isNull())
00396 {
00397 subnode = node.ownerDocument().createElement(name);
00398 node.appendChild(subnode);
00399 }
00400 return subnode;
00401 }
00402
00403 static QDomText get_or_create_text(QDomNode node)
00404 {
00405 QDomNode subnode = node.firstChild();
00406 if (subnode.isNull())
00407 {
00408 subnode = node.ownerDocument().createTextNode("");
00409 node.appendChild(subnode);
00410 }
00411 return subnode.toText();
00412 }
00413
00414
00415 static QDomNode findOrCreateMetadata( QDomNode& parent )
00416 {
00417 static const char kdeOwner[] = "http://www.kde.org";
00418 QDomElement metadataElement;
00419 for ( QDomNode _node = parent.firstChild(); !_node.isNull(); _node = _node.nextSibling() ) {
00420 QDomElement elem = _node.toElement();
00421 if ( !elem.isNull() && elem.tagName() == "metadata" ) {
00422 const QString owner = elem.attribute( "owner" );
00423 if ( owner == kdeOwner )
00424 return elem;
00425 if ( owner.isEmpty() )
00426 metadataElement = elem;
00427 }
00428 }
00429 if ( metadataElement.isNull() ) {
00430 metadataElement = parent.ownerDocument().createElement( "metadata" );
00431 parent.appendChild(metadataElement);
00432 }
00433 metadataElement.setAttribute( "owner", kdeOwner );
00434 return metadataElement;
00435 }
00436
00437 bool KBookmark::hasMetaData() const
00438 {
00439
00440
00441
00442 QDomNode n = cd_or_create( internalElement(), "info" );
00443 return findOrCreateMetadata( n ).hasChildNodes();
00444 }
00445
00446 void KBookmark::updateAccessMetadata()
00447 {
00448 kdDebug(7043) << "KBookmark::updateAccessMetadata " << address() << " " << url().prettyURL() << endl;
00449
00450 const uint timet = QDateTime::currentDateTime().toTime_t();
00451 setMetaDataItem( "time_added", QString::number( timet ), DontOverwriteMetaData );
00452 setMetaDataItem( "time_visited", QString::number( timet ) );
00453
00454 QString countStr = metaDataItem( "visit_count" );
00455 bool ok;
00456 int currentCount = countStr.toInt(&ok);
00457 if (!ok)
00458 currentCount = 0;
00459 currentCount++;
00460 setMetaDataItem( "visit_count", QString::number( currentCount ) );
00461
00462
00463 }
00464
00465 QString KBookmark::metaDataItem( const QString &key ) const
00466 {
00467 QDomNode infoNode = cd_or_create( internalElement(), "info" );
00468 infoNode = findOrCreateMetadata( infoNode );
00469 for ( QDomNode n = infoNode.firstChild(); !n.isNull(); n = n.nextSibling() ) {
00470 if ( !n.isElement() ) {
00471 continue;
00472 }
00473 const QDomElement e = n.toElement();
00474 if ( e.tagName() == key ) {
00475 return e.text();
00476 }
00477 }
00478 return QString::null;
00479 }
00480
00481 void KBookmark::setMetaDataItem( const QString &key, const QString &value, MetaDataOverwriteMode mode )
00482 {
00483 QDomNode infoNode = cd_or_create( internalElement(), "info" );
00484 infoNode = findOrCreateMetadata( infoNode );
00485
00486 QDomNode item = cd_or_create( infoNode, key );
00487 QDomText text = get_or_create_text( item );
00488 if ( mode == DontOverwriteMetaData && !text.data().isEmpty() ) {
00489 return;
00490 }
00491
00492 text.setData( value );
00493 }
00494
00495 void KBookmarkGroupTraverser::traverse(const KBookmarkGroup &root)
00496 {
00497
00498 QValueStack<KBookmarkGroup> stack;
00499 stack.push(root);
00500 KBookmark bk = stack.top().first();
00501 for (;;) {
00502 if (bk.isNull())
00503 {
00504 if (stack.isEmpty())
00505 return;
00506 if (stack.count() > 1)
00507 visitLeave(stack.top());
00508 bk = stack.pop();
00509 bk = stack.top().next(bk);
00510 if (bk.isNull())
00511 continue;
00512 }
00513
00514 if (bk.isGroup())
00515 {
00516 KBookmarkGroup gp = bk.toGroup();
00517 visitEnter(gp);
00518 if (!gp.first().isNull())
00519 {
00520 stack.push(gp);
00521 bk = gp.first();
00522 continue;
00523 }
00524
00525 visitLeave(gp);
00526 }
00527 else
00528 visit(bk);
00529
00530 bk = stack.top().next(bk);
00531 }
00532
00533
00534 }
00535