git.oblomov.eu Git - qcomicbook-oblomov/blob - src/bookmarks.cpp

   1 /*
   2  * This file is a part of QComicBook.
   3  *
   4  * Copyright (C) 2005-2006 Pawel Stolowski <yogin@linux.bydg.org>
   5  *
   6  * QComicBook is free software; you can redestribute it and/or modify it
   7  * under terms of GNU General Public License by Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY. See GPL for more details.
  11  */
  12
  13 #include "bookmarks.h"
  14 #include "cbsettings.h"
  15 #include <qpopupmenu.h>
  16 #include <qfile.h>
  17 #include <qdir.h>
  18 #include <qtextstream.h>
  19
  20 using namespace QComicBook;
  21
  22 Bookmarks::Bookmarks(QPopupMenu *menu): bmenu(menu), changed(false)
  23 {
  24         blist.setAutoDelete(true);
  25         fname = ComicBookSettings::bookmarksDir() + "/bookmarks";
  26 }
  27
  28 Bookmarks::~Bookmarks()
  29 {
  30 }
  31
  32 bool Bookmarks::load()
  33 {
  34         if (fname.isEmpty())
  35                 return false;
  36         QFile f(fname);
  37         if (f.open(IO_ReadOnly))
  38         {
  39                 QTextStream str(&f);
  40                 while (!str.atEnd())
  41                 {
  42                         QString name = str.readLine();
  43                         if (str.atEnd())
  44                                 break;
  45                         int page = str.readLine().toInt();
  46                         set(name, page);
  47                 }
  48                 f.close();
  49         }
  50         return false;
  51 }
  52
  53 bool Bookmarks::save()
  54 {
  55         if (!changed)
  56                 return true;
  57         if (fname.isEmpty())
  58                 return false;
  59
  60         QFile f(fname);
  61         if (f.open(IO_WriteOnly))
  62         {
  63                 QTextStream str(&f);
  64                 for (Bookmark *b = blist.first(); b; b = blist.next())
  65                         str << b->getName() << endl << b->getPage() << endl;
  66                 f.close();
  67                 return true;
  68         }
  69         return false;
  70 }
  71
  72 void Bookmarks::set(const QString &cbname, int page)
  73 {
  74         int id;
  75         for (Bookmark *b = blist.first(); b; b = blist.next())
  76                 if ((b->getName() == cbname))
  77                 {
  78                         if (b->getPage() == page) //same page, do nothing
  79                                 return;
  80                         id = b->getId();
  81                         bmenu->removeItem(id);
  82                         bmap.remove(id);
  83                         b->setName(cbname);
  84                         b->setPage(page);
  85                         id = bmenu->insertItem(b->menuItemName());
  86                         b->setId(id);
  87                         bmap.insert(id, b);
  88                         changed = true;
  89                         return;
  90                 }
  91         Bookmark *b = new Bookmark(cbname, page);
  92         blist.append(b);
  93         id = bmenu->insertItem(b->menuItemName());
  94         b->setId(id);
  95         bmap.insert(id, b);
  96         changed = true;
  97         return;
  98 }
  99
 100 bool Bookmarks::remove(const QString &cbname)
 101 {
 102         for (Bookmark *b = blist.first(); b; b = blist.next())
 103                 if ((b->getName() == cbname))
 104                 {
 105                         bmenu->removeItem(b->getId());
 106                         bmap.remove(b->getId());
 107                         blist.remove();
 108                         return true;
 109                 }
 110         return false;
 111 }
 112
 113 bool Bookmarks::remove(int id)
 114 {
 115         if (bmap.contains(id))
 116         {
 117                 Bookmark *b = bmap[id];
 118                 bmenu->removeItem(id);
 119                 bmap.remove(id);
 120                 blist.remove(b);
 121                 changed = true;
 122         }
 123 }
 124
 125 bool Bookmarks::get(int id, Bookmark &b)
 126 {
 127         if (bmap.contains(id))
 128         {
 129                 b = *bmap[id];
 130                 return true;
 131         }
 132         return false;
 133 }
 134
 135 QValueList<Bookmark> Bookmarks::get()
 136 {
 137         QValueList<Bookmark> res;
 138         for (Bookmark *b = blist.first(); b; b = blist.next())
 139                 res.push_back(*b);
 140         return res;
 141 }
 142
 143 bool Bookmarks::exists(const QString &cbname)
 144 {
 145         for (Bookmark *b = blist.first(); b; b = blist.next())
 146                 if (b->getName() == cbname)
 147                         return true;
 148         return false;
 149 }
 150