kio Library: kbookmark.h Source File (kio Library)

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# kbookmark.h

    00001 // -*- c-basic-offset: 4; indent-tabs-mode:nil -*-
    00002 // vim: set ts=4 sts=4 sw=4 et:
    00003 /* This file is part of the KDE libraries
    00004    Copyright (C) 2000 David Faure <faure@kde.org>
    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., 59 Temple Place - Suite 330,
    00018    Boston, MA 02111-1307, USA.
    00019 */
    00020 #ifndef __kbookmark_h
    00021 #define __kbookmark_h
    00022
    00023 #include <qstring.h>
    00024 #include <qvaluelist.h>
    00025 #include <qdom.h>
    00026 #include <kurl.h>
    00027
    00028 class KBookmarkManager;
    00029 class KBookmarkGroup;
    00030
    00031 class KIO_EXPORT KBookmark
    00032 {
    00033     friend class KBookmarkGroup;
    00034 public:
    00035     enum MetaDataOverwriteMode {
    00036         OverwriteMetaData, DontOverwriteMetaData
    00037     };
    00038
    00039     KBookmark( ) {}
    00040     KBookmark( QDomElement elem ) : element(elem) {}
    00041
    00042     static KBookmark standaloneBookmark( const QString & text, const KURL & url, const QString & icon = QString::null );
    00043
    00047     bool isGroup() const;
    00048
    00052     bool isSeparator() const;
    00053
    00059     bool isNull() const {return element.isNull();}
    00060
    00067     bool hasParent() const;
    00068
    00074     QString text() const;
    00079     QString fullText() const;
    00083     KURL url() const;
    00088     QString icon() const;
    00089
    00093     KBookmarkGroup parentGroup() const;
    00094
    00099     KBookmarkGroup toGroup() const;
    00100
    00107     QString address() const;
    00108
    00109     // Hard to decide. Good design would imply that each bookmark
    00110     // knows about its manager, so that there can be several managers.
    00111     // But if we say there is only one manager (i.e. set of bookmarks)
    00112     // per application, then KBookmarkManager::self() is much easier.
    00113     //KBookmarkManager * manager() const { return m_manager; }
    00114
    00118     QDomElement internalElement() const { return element; }
    00119
    00125     void updateAccessMetadata();
    00126
    00127     // Utility functions (internal)
    00128
    00132     static QString parentAddress( const QString & address )
    00133     { return address.left( address.findRev('/') ); }
    00134
    00138     static uint positionInParent( const QString & address )
    00139     { return address.mid( address.findRev('/') + 1 ).toInt(); }
    00140
    00145     static QString previousAddress( const QString & address )
    00146     {
    00147         uint pp = positionInParent(address);
    00148         return pp>0 ? parentAddress(address) + '/' + QString::number(pp-1) : QString::null;
    00149     }
    00150
    00155     static QString nextAddress( const QString & address )
    00156     { return parentAddress(address) + '/' + QString::number(positionInParent(address)+1); }
    00157
    00165     QString metaDataItem( const QString &key ) const;
    00166
    00175     void setMetaDataItem( const QString &key, const QString &value, MetaDataOverwriteMode mode = OverwriteMetaData );
    00176
    00177 protected:
    00178     QDomElement element;
    00179     // Note: you can't add new member variables here.
    00180     // The KBookmarks are created on the fly, as wrappers
    00181     // around internal QDomElements. Any additional information
    00182     // has to be implemented as an attribute of the QDomElement.
    00183
    00184 private:
    00185     bool hasMetaData() const;
    00186 };
    00187
    00191 class KIO_EXPORT KBookmarkGroup : public KBookmark
    00192 {
    00193 public:
    00200     KBookmarkGroup();
    00201
    00205     KBookmarkGroup( QDomElement elem );
    00206
    00211     QString groupAddress() const;
    00212
    00216     bool isOpen() const;
    00217
    00221     KBookmark first() const;
    00226     KBookmark previous( const KBookmark & current ) const;
    00231     KBookmark next( const KBookmark & current ) const;
    00232
    00239     KBookmarkGroup createNewFolder( KBookmarkManager* mgr, const QString & text = QString::null, bool emitSignal = true );
    00243     KBookmark createNewSeparator();
    00244
    00254     KBookmark addBookmark( KBookmarkManager* mgr, const KBookmark &bm, bool emitSignal = true );
    00255
    00267     KBookmark addBookmark( KBookmarkManager* mgr, const QString & text, const KURL & url, const QString & icon = QString::null, bool emitSignal = true );
    00268
    00273     bool moveItem( const KBookmark & item, const KBookmark & after );
    00274
    00278     void deleteBookmark( KBookmark bk );
    00279
    00283     bool isToolbarGroup() const;
    00287     QDomElement findToolbar() const;
    00288
    00293     QValueList<KURL> groupUrlList() const;
    00294
    00295 protected:
    00296     QDomElement nextKnownTag( QDomElement start, bool goNext ) const;
    00297
    00298 private:
    00299     mutable QString m_address;
    00300     // Note: you can't add other member variables here, except for caching info.
    00301     // The KBookmarks are created on the fly, as wrappers
    00302     // around internal QDomElements. Any additional information
    00303     // has to be implemented as an attribute of the QDomElement.
    00304 };
    00305
    00309 class KIO_EXPORT KBookmarkGroupTraverser {
    00310 protected:
    00311     virtual ~KBookmarkGroupTraverser() { ; }
    00312     void traverse(const KBookmarkGroup &);
    00313     virtual void visit(const KBookmark &) { ; }
    00314     virtual void visitEnter(const KBookmarkGroup &) { ; }
    00315     virtual void visitLeave(const KBookmarkGroup &) { ; }
    00316 private:
    00317     class KBookmarkGroupTraverserPrivate *d;
    00318 };
    00319
    00320 #endif

This file is part of the documentation for kio Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
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