GUI now supports displaying lists of books from both the library and the device

libprs500/communicate.py

@@ -45,12 +45,12 @@ Contains the logic for communication with the device (a SONY PRS-500).
 The public interface of class L{PRS500Device} defines the methods for performing various tasks. 
 """
 import usb, sys, os, time
+from base64 import b64decode as decode
+from tempfile import TemporaryFile
 from array import array
 from xml.sax.handler import ContentHandler
 from xml.sax import make_parser
 from xml.sax.handler import feature_namespaces
-from base64 import b64decode as decode
-from tempfile import TemporaryFile
 
 from prstypes import *
 from errors import *

libprs500/gui/database.py

@@ -0,0 +1,91 @@
+##    Copyright (C) 2006 Kovid Goyal kovid@kovidgoyal.net
+##    This program is free software; you can redistribute it and/or modify
+##    it under the terms of the GNU General Public License as published by
+##    the Free Software Foundation; either version 2 of the License, or
+##    (at your option) any later version.
+##
+##    This program is distributed in the hope that it will be useful,
+##    but WITHOUT ANY WARRANTY; without even the implied warranty of
+##    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##    GNU General Public License for more details.
+##
+##    You should have received a copy of the GNU General Public License along
+##    with this program; if not, write to the Free Software Foundation, Inc.,
+##    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+import sqlite3 as sqlite
+import os, os.path, zlib
+from stat import ST_SIZE
+from libprs500.lrf.meta import LRFMetaFile
+
+
+class LibraryDatabase(object):
+  
+  BOOKS_SQL = """
+                           create table if not exists books_meta(id INTEGER PRIMARY KEY, title TEXT, authors TEXT, publisher TEXT, size INTEGER,  tags TEXT,
+                                                                                       cover BLOB, date DATE DEFAULT CURRENT_TIMESTAMP );
+                           create table if not exists books_data(id INTEGER, extension TEXT, data BLOB);
+                           """
+                              
+  def __init__(self, dbpath):    
+    self.con = sqlite.connect(dbpath)
+    self.con.row_factory = sqlite.Row # Allow case insensitive field access by name
+    self.con.executescript(LibraryDatabase.BOOKS_SQL)
+      
+  def get_cover(self, id):
+    raw = self.con.execute("select cover from books_meta where id=?", (id,)).next()["cover"]
+    return zlib.decompress(str(raw)) if raw else None
+    
+  def get_extensions(self, id):
+    exts = []
+    cur = self.con.execute("select extension from books_data where id=?", (id,))
+    for row in cur:
+      exts.append(row["extension"])
+    return exts
+  
+  def add_book(self, path):
+    file = os.path.abspath(path)
+    title, author, publisher, size, cover = os.path.basename(file), None, None, os.stat(file)[ST_SIZE], None
+    ext = title[title.rfind(".")+1:].lower() if title.find(".") > -1 else None
+    if ext == "lrf":
+      lrf = LRFMetaFile(open(file, "r+b"))
+      title, author, cover, publisher = lrf.title, lrf.author.strip(), lrf.thumbnail, lrf.publisher.strip()
+      if "unknown" in publisher.lower(): publisher = None
+      if "unknown" in author.lower(): author = None
+    file = zlib.compress(open(file).read())
+    if cover: cover = sqlite.Binary(zlib.compress(cover))
+    self.con.execute("insert into books_meta (title, authors, publisher, size, tags, cover) values (?,?,?,?,?,?)", (title, author, publisher, size, None, cover))    
+    id =  self.con.execute("select max(id) from books_meta").next()[0]    
+    self.con.execute("insert into books_data values (?,?,?)", (id, ext, sqlite.Binary(file)))
+    self.con.commit()
+    
+  def get_table(self, columns):
+    cols = ",".join([ c for c in columns])
+    cur = self.con.execute("select " + cols + " from books_meta")
+    rows = []
+    for row in cur:
+      r = {}
+      for c in columns: r[c] = row[c]
+      rows.append(r)
+    return rows
+  
+  def get_meta_data(self, id):
+    try: row = self.con.execute("select * from books_meta where id=?", (id,)).next()
+    except StopIteration: return None
+    data = {}
+    for field in ("id", "title", "authors", "publisher", "size", "tags", "cover", "date"):
+      data[field] = row[field]
+    return data
+    
+  
+  def search(self, query): pass
+
+if __name__ == "__main__":
+  lbm = LibraryDatabase("/home/kovid/library.sqlite")
+#  lbm.add_book("/home/kovid/documents/ebooks/hobbfar01.lrf")
+#  lbm.add_book("/home/kovid/documents/ebooks/hobbfar02.lrf")
+#  lbm.add_book("/home/kovid/documents/ebooks/hobbfar03.lrf")
+#  lbm.add_book("/home/kovid/documents/ebooks/hobblive01.lrf")
+#  lbm.add_book("/home/kovid/documents/ebooks/hobbtawny01.lrf")
+#  lbm.add_book("/home/kovid/documents/ebooks/hobbtawny02.lrf")
+#  lbm.add_book("/home/kovid/documents/ebooks/hobbtawny03.lrf")
+  print lbm.get_table(["id","title"])

libprs500/gui/main.py

@@ -14,15 +14,24 @@
 ##    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 from libprs500.communicate import PRS500Device as device
 from libprs500.errors import *
+from libprs500.lrf.meta import LRFMetaFile, LRFException
+from database import LibraryDatabase
 import images
 from PyQt4.QtCore import Qt, SIGNAL
 from PyQt4.Qt import QObject, QThread, QCoreApplication, QEventLoop, QString, QStandardItem, QStandardItemModel, QStatusBar, QVariant, QAbstractTableModel, \
-                                   QAbstractItemView, QImage, QPixmap, QIcon, QSize
+                                   QAbstractItemView, QImage, QPixmap, QIcon, QSize, QMessageBox, QSettings, QFileDialog, QErrorMessage
 from PyQt4 import uic
-import sys, pkg_resources, re, string
+import sys, pkg_resources, re, string, time, os, os.path, traceback, textwrap, zlib
+from stat import ST_SIZE
+from tempfile import TemporaryFile, NamedTemporaryFile
+from exceptions import Exception as Exception
+import xml.dom.minidom as dom
+from xml.dom.ext import PrettyPrint as PrettyPrint
 from operator import itemgetter
 
 NONE = QVariant()
+TIME_WRITE_FMT  = "%d %b %Y"
+COVER_HEIGHT = 80
 
 def human_readable(size):
   """ Convert a size in bytes into a human readle form """
@@ -34,12 +43,122 @@ def human_readable(size):
   if size.find(".") > -1: size = size[:size.find(".")+2]
   return size + " " + suffix
 
-class DeviceBooksModel(QAbstractTableModel):
 
+def wrap(s, width=20):
+  return textwrap.fill(str(s), width) 
+
+class LibraryBooksModel(QAbstractTableModel):
+  FIELDS = ["id", "title", "authors", "size", "date", "publisher", "tags"]
+  TIME_READ_FMT = "%Y-%m-%d %H:%M:%S"
+  def __init__(self, parent, db_path):
+    QAbstractTableModel.__init__(self, parent)
+    self.db    = LibraryDatabase(db_path)
+    self._data = self.db.get_table(self.FIELDS)
+    self._orig_data = self._data
+    self.image_file = None
+    self.sort(0, Qt.DescendingOrder)
+    
+  def rowCount(self, parent): return len(self._data)
+  def columnCount(self, parent): return len(self.FIELDS)-2
+    
+  def set_data(self, db):
+    self.emit(SIGNAL("layoutAboutToBeChanged()"))
+    self.db    = db
+    self._data = self.db.get_table(self.FIELDS)    
+    self._orig_data = self._data
+    self.sort(0, Qt.DescendingOrder)
+    
+  def headerData(self, section, orientation, role):    
+    if role != Qt.DisplayRole:
+      return NONE
+    text = ""
+    if orientation == Qt.Horizontal:      
+      if   section == 0: text = "Title"
+      elif section == 1: text = "Author(s)"
+      elif section == 2: text = "Size"
+      elif section == 3: text = "Date"
+      elif section == 4: text = "Publisher"
+      return QVariant(self.trUtf8(text))
+    else: return QVariant(str(1+section))
+    
+  def info(self, row):
+    row = self._data[row]
+    cover = self.db.get_cover(row["id"])
+    exts = ",".join(self.db.get_extensions(row["id"]))    
+    if not cover: 
+      cover = QPixmap(":/images/book.png")
+      self.image_file = None
+    else:
+      pix = QPixmap()
+      self.image_file = NamedTemporaryFile()
+      self.image_file.write(cover)
+      self.image_file.flush()
+      pix.loadFromData(cover, "", Qt.AutoColor)
+      cover = pix.scaledToHeight(COVER_HEIGHT, Qt.SmoothTransformation)
+    return row["title"], row["authors"], human_readable(int(row["size"])), exts, cover
+  
+  def data(self, index, role):
+    if role == Qt.DisplayRole:      
+      row, col = index.row(), index.column()
+      text = None
+      row = self._data[row]
+      if   col == 0: text = wrap(row["title"], width=25)
+      elif col == 1: 
+        au = row["authors"]
+        if au : text = wrap(re.sub("&", "\n", au), width=25)
+      elif col == 2: text = human_readable(row["size"])
+      elif col == 3: text = time.strftime(TIME_WRITE_FMT, time.strptime(row["date"], self.TIME_READ_FMT))
+      elif col == 4: 
+        pub = row["publisher"]
+        if pub: text = wrap(pub, 20)
+      if not text: text = "Unknown"
+      return QVariant(text)
+    elif role == Qt.TextAlignmentRole and index.column() in [2,3,4]:
+      return QVariant(Qt.AlignRight)
+    return NONE
+      
+  def sort(self, col, order):
+    descending = order != Qt.AscendingOrder
+    def getter(key, func):  return lambda x : func(itemgetter(key)(x))
+    if col == 0: key, func = "title", string.lower
+    if col == 1: key, func = "authors", lambda x : x.split()[-1:][0].lower() if x else ""
+    if col == 2: key, func = "size", int
+    if col == 3: key, func = "date", lambda x: time.mktime(time.strptime(x, self.TIME_READ_FMT))
+    if col == 4: key, func = "publisher", lambda x : x.lower() if x else ""
+    self.emit(SIGNAL("layoutAboutToBeChanged()"))
+    self._data.sort(key=getter(key, func))
+    if descending: self._data.reverse()
+    self.emit(SIGNAL("layoutChanged()"))
+    self.emit(SIGNAL("sorted()"))
+  
+  def search(self, query):
+    def query_in(book, q):
+      au = book["authors"]
+      if not au : au = "unknown"
+      pub = book["publisher"]
+      if not pub : pub = "unknown"
+      return q in book["title"].lower() or q in au.lower() or q in pub.lower()
+    queries = unicode(query, 'utf-8').lower().split()
+    self.emit(SIGNAL("layoutAboutToBeChanged()"))
+    self._data = []
+    for book in self._orig_data:
+      match = True
+      for q in queries:
+        if query_in(book, q) : continue
+        else:
+          match = False
+          break
+      if match: self._data.append(book)
+    self.emit(SIGNAL("layoutChanged()"))
+    self.emit(SIGNAL("searched()"))
+
+class DeviceBooksModel(QAbstractTableModel):
+  TIME_READ_FMT  = "%a, %d %b %Y %H:%M:%S %Z"  
   def __init__(self, parent, data):
     QAbstractTableModel.__init__(self, parent)
     self._data = data
     self._orig_data = data
+    self.image_file = None
   
   def set_data(self, data):
     self.emit(SIGNAL("layoutAboutToBeChanged()"))
@@ -48,7 +167,7 @@ class DeviceBooksModel(QAbstractTableModel):
     self.sort(0, Qt.DescendingOrder)
     
   def rowCount(self, parent): return len(self._data)
-  def columnCount(self, parent): return 3
+  def columnCount(self, parent): return 4
   
   def headerData(self, section, orientation, role):
     if role != Qt.DisplayRole:
@@ -58,6 +177,7 @@ class DeviceBooksModel(QAbstractTableModel):
       if section == 0: text = "Title"
       elif section == 1: text = "Author(s)"
       elif section == 2: text = "Size"
+      elif section == 3: text = "Date"
       return QVariant(self.trUtf8(text))
     else: return QVariant(str(1+section))
     
@@ -68,24 +188,33 @@ class DeviceBooksModel(QAbstractTableModel):
       if col == 0: text = book["title"]
       elif col == 1: text = book["author"]
       elif col == 2: text = human_readable(int(book["size"]))
+      elif col == 3: text = time.strftime(TIME_WRITE_FMT, time.strptime(book["date"], self.TIME_READ_FMT))
       return QVariant(text)
-    elif role == Qt.TextAlignmentRole and index.column() == 2:
+    elif role == Qt.TextAlignmentRole and index.column() in [2,3]:
       return QVariant(Qt.AlignRight)
-    elif role == Qt.DecorationRole and index.column() == 0:
-      book = self._data[index.row()]
-      if book.has_key("thumbnail"):
-        return QVariant(book["thumbnail"])
     return NONE
     
   def info(self, row):
     row = self._data[row]    
-    return row["title"], row["author"], human_readable(int(row["size"])), row["mime"], row["thumbnail"].pixmap(60, 80, QIcon.Normal, QIcon.On)
+    try:
+      cover = row["thumbnail"]
+      pix = QPixmap()
+      self.image_file = NamedTemporaryFile()
+      self.image_file.write(cover)
+      self.image_file.flush()
+      pix.loadFromData(cover, "", Qt.AutoColor)
+      cover = pix.scaledToHeight(COVER_HEIGHT, Qt.SmoothTransformation)      
+    except Exception, e: 
+      self.image_file = None
+      cover = QPixmap(":/images/book.png")
+    return row["title"], row["author"], human_readable(int(row["size"])), row["mime"], cover
   
   def sort(self, col, order):
     def getter(key, func):  return lambda x : func(itemgetter(key)(x))
     if col == 0: key, func = "title", string.lower
     if col == 1: key, func = "author", lambda x : x.split()[-1:][0].lower()
     if col == 2: key, func = "size", int
+    if col == 3: key, func = "date", lambda x: time.mktime(time.strptime(x, self.TIME_READ_FMT))
     descending = order != Qt.AscendingOrder
     self.emit(SIGNAL("layoutAboutToBeChanged()"))
     self._data.sort(key=getter(key, func))
@@ -94,7 +223,7 @@ class DeviceBooksModel(QAbstractTableModel):
     self.emit(SIGNAL("sorted()"))
 
   def search(self, query):
-    queries = unicode(query).lower().split()
+    queries = unicode(query, 'utf-8').lower().split()
     self.emit(SIGNAL("layoutAboutToBeChanged()"))
     self._data = []
     for book in self._orig_data:
@@ -108,56 +237,171 @@ class DeviceBooksModel(QAbstractTableModel):
     self.emit(SIGNAL("layoutChanged()"))
     self.emit(SIGNAL("searched()"))
     
+  def delete_by_path(self, path):
+    self.emit(SIGNAL("layoutAboutToBeChanged()"))
+    index = -1
+    for book in self._data:
+      if path in book["path"]:
+        self._data.remove(book)
+        break
+    for book in self._orig_data:
+      if path in book["path"]:
+        self._orig_data.remove(book)
+        break
+    self.emit(SIGNAL("layoutChanged()"))
+    self.emit(SIGNAL("deleted()"))
+    
+  def path(self, index):  return self._data[index.row()]["path"]
+  def title(self, index):  return self._data[index.row()]["title"]
+    
+    
 
 Ui_MainWindow, bclass = uic.loadUiType(pkg_resources.resource_stream(__name__, "main.ui"))
 class MainWindow(QObject, Ui_MainWindow): 
   
   def tree_clicked(self, index):
+    def show_device(yes):
+      if yes: self.device_view.show(), self.library_view.hide()
+      else: self.device_view.hide(), self.library_view.show()
     item = self.tree.itemFromIndex(index)
     text = str(item.text())
     if text == "Library":
-      print "Library Clicked"
+      show_device(False)
     elif text == "SONY Reader":
-      self.set_data(self.main_books + self.card_books)
+      show_device(True)
+      self.set_device_data(self.main_books + self.card_books)
     elif text == "Main Memory":
-      self.set_data(self.main_books)
+      show_device(True)
+      self.set_device_data(self.main_books)
     elif text == "Storage Card":
-      self.set_data(self.card_books)
+      show_device(True)
+      self.set_device_data(self.card_books)
     elif text == "Books":
       text = str(item.parent().text())
       if text == "Library":
-        print "Library --> Books Clicked"
+        show_device(False)        
       elif text == "Main Memory":
-        self.set_data(self.main_books)  
+        show_device(True)
+        self.set_device_data(self.main_books)  
       elif text == "Storage Card":
+        show_device(True)
         self.set_data(self.card_books)
   
-  def set_data(self, data):
+  def set_device_data(self, data): 
-    self.model.set_data(data)    
+    self.device_model.set_data(data) 
-    self.table_view.resizeColumnsToContents()
+    self.device_view.resizeColumnsToContents()
   
-  
+  def model_modified(self):
-  def data_sorted(self):
+    self.device_view.clearSelection()
-    self.table_view.resizeRowsToContents()
+    self.library_view.clearSelection()
-    self.table_view.clearSelection()
     self.book_cover.hide()
     self.book_info.hide()
+    QCoreApplication.processEvents(QEventLoop.ExcludeUserInputEvents)    
   
   def show_book(self, current, previous):
     title, author, size, mime, thumbnail = current.model().info(current.row())
     self.book_info.setText(self.BOOK_TEMPLATE.arg(title).arg(size).arg(author).arg(mime))
     self.book_cover.setPixmap(thumbnail)
+    try:
+      name = os.path.abspath(current.model().image_file.name)
+      self.book_cover.setToolTip('<img src="'+name+'">')
+    except Exception, e: self.book_cover.setToolTip('<img src=":/images/book.png">')
     self.book_cover.show()
     self.book_info.show()
   
-  def searched(self):
-    self.table_view.clearSelection()
-    self.book_cover.hide()
-    self.book_info.hide()
-    self.table_view.resizeRowsToContents()
-  
   def clear(self, checked): self.search.setText("")
   
+  def list_context_event(self, event):
+    print "TODO:"
+  
+  def do_delete(self, rows):
+    if self.device_model.__class__.__name__ == "DeviceBooksdevice_model":
+      paths, mc, cc = [], False, False
+      for book in rows:
+        path = book.model().path(book)
+        if path[0] == "/": file, prefix, mc = self.main_xml, "xs1:", True
+        else:                    file, prefix, cc = self.cache_xml, "",       True
+        file.seek(0)
+        document = dom.parse(file)
+        books = document.getElementsByTagName(prefix + "text")
+        for candidate in books:
+          if candidate.attributes["path"].value in path:
+            paths.append(path)
+            candidate.parentNode.removeChild(candidate)
+            break
+        file.close()
+        file = TemporaryFile()
+        PrettyPrint(document, file)        
+        if len(prefix) > 0: self.main_xml = file
+        else: self.cache_xml = file
+      for path in paths:
+        self.dev.del_file(path)
+        self.device_model.delete_by_path(path)        
+      self.cache_xml.seek(0)
+      self.main_xml.seek(0)
+      self.status("Files deleted. Updating media list on device")
+      if mc: 
+        self.dev.del_file(self.dev.MEDIA_XML)
+        self.dev.put_file(self.main_xml, self.dev.MEDIA_XML)
+      if cc: 
+        self.dev.del_file(self.card+self.dev.CACHE_XML)
+        self.dev.put_file(self.cache_xml, self.card+self.dev.CACHE_XML)
+  
+  def delete(self, action):
+    self.window.setCursor(Qt.WaitCursor)
+    rows   = self.device_view.selectionModel().selectedRows()
+    items = [ row.model().title(row) + ": " +  row.model().path(row)[row.model().path(row).rfind("/")+1:] for row in rows ]
+    ret = QMessageBox.question(self.window, self.trUtf8("SONY Reader - confirm"),  self.trUtf8("Are you sure you want to delete these items from the device?\n\n") + "\n".join(items), 
+             QMessageBox.YesToAll | QMessageBox.No, QMessageBox.YesToAll)
+    if ret == QMessageBox.YesToAll:
+      self.do_delete(rows)
+    self.window.setCursor(Qt.ArrowCursor)
+  
+  def read_settings(self):
+    settings = QSettings()
+    settings.beginGroup("MainWindow")
+    self.window.resize(settings.value("size", QVariant(QSize(1000, 700))).toSize())
+    settings.endGroup()
+    self.database_path = settings.value("database path", QVariant(os.path.expanduser("~/library.sqlite"))).toString()
+    
+  def write_settings(self):
+    settings = QSettings()
+    settings.beginGroup("MainWindow")
+    settings.setValue("size", QVariant(self.window.size()))
+    settings.endGroup()
+  
+  def close_event(self, e):
+    self.write_settings()
+    e.accept()
+  
+  def add(self, action):
+    settings = QSettings()
+    dir = settings.value("add books dialog dir", QVariant(os.path.expanduser("~"))).toString()
+    files = QFileDialog.getOpenFileNames(self.window, "Choose books to add to library", dir, "Books (*.lrf *.lrx *.rtf *.pdf *.txt);;All files (*)")
+    if not files.isEmpty():
+      x = str(files[0])
+      settings.setValue("add books dialog dir", QVariant(os.path.dirname(x)))
+      files = str(files.join("|||")).split("|||")      
+      for file in files:
+        file = os.path.abspath(file)
+        title, author, cover, publisher = None, None, None, None
+        if ext == "lrf":
+          try: 
+            lrf = LRFMetaFile(open(file, "r+b"))
+            title = lrf.title
+            author = lrf.author
+            publisher = lrf.publisher
+            cover = lrf.thumbnail
+            if "unknown" in author.lower(): author = None
+          except IOError, e:
+            self.show_error(e, "Unable to access <b>"+file+"</b>")
+            return
+          except LRFException: pass
+          self.library_model.add(file, title, author, publisher, cover)
+      
+  def show_error(self, e, msg): 
+    QErrorMessage(self.window).showMessage(msg+"<br><b>Error: </b>"+str(e)+"<br><br>Traceback:<br>"+traceback.format_exc(e))
+  
   def __init__(self, window):
     QObject.__init__(self)
     Ui_MainWindow.__init__(self)    
@@ -165,7 +409,26 @@ class MainWindow(QObject, Ui_MainWindow):
     self.is_connected = False    
     self.setupUi(window)
     self.card = None
-    # Create Tree
+    self.window = window
+    window.closeEvent = self.close_event
+    self.read_settings()
+    
+    # Setup Library Book list
+    self.library_model = LibraryBooksModel(window, str(self.database_path))
+    self.library_view.setModel(self.library_model)
+    self.library_view.setSelectionBehavior(QAbstractItemView.SelectRows)
+    self.library_view.setSortingEnabled(True)
+    self.library_view.contextMenuEvent = self.list_context_event
+    QObject.connect(self.library_model, SIGNAL("layoutChanged()"), self.library_view.resizeRowsToContents)
+    QObject.connect(self.library_view.selectionModel(), SIGNAL("currentChanged(QModelIndex, QModelIndex)"), self.show_book)
+    QObject.connect(self.search, SIGNAL("textChanged(QString)"), self.library_model.search)
+    QObject.connect(self.library_model, SIGNAL("sorted()"), self.model_modified)
+    QObject.connect(self.library_model, SIGNAL("searched()"), self.model_modified)
+    QObject.connect(self.library_model, SIGNAL("deleted()"), self.model_modified)    
+    self.library_view.resizeColumnsToContents()
+    
+    
+    # Create Device list
     self.tree = QStandardItemModel()
     library = QStandardItem(QString("Library"))
     library.setIcon(QIcon(":/images/mycomputer.png"))
@@ -187,8 +450,6 @@ class MainWindow(QObject, Ui_MainWindow):
     self.reader.setIcon(QIcon(":/images/reader.png"))
     self.tree.appendRow(self.reader)
     self.reader.setFont(font)
-    
-    
     self.treeView.setModel(self.tree)    
     self.treeView.header().hide()
     self.treeView.setExpanded(library.index(), True)
@@ -199,17 +460,21 @@ class MainWindow(QObject, Ui_MainWindow):
     QObject.connect(self.treeView, SIGNAL("activated(QModelIndex)"),  self.tree_clicked)
     QObject.connect(self.treeView, SIGNAL("clicked(QModelIndex)"),  self.tree_clicked)
     
-    # Create Table
+    # Create Device Book list
-    self.model = DeviceBooksModel(window, [])
+    self.device_model = DeviceBooksModel(window, [])    
-    QObject.connect(self.model, SIGNAL("sorted()"), self.data_sorted)
+    self.device_view.setModel(self.device_model)
-    self.table_view.setModel(self.model)
+    self.device_view.setSelectionBehavior(QAbstractItemView.SelectRows)
-    self.table_view.setSelectionBehavior(QAbstractItemView.SelectRows)
+    self.device_view.setSortingEnabled(True)
-    self.table_view.setSortingEnabled(True)
+    self.device_view.contextMenuEvent = self.list_context_event
-    QObject.connect(self.table_view.selectionModel(), SIGNAL("currentChanged(QModelIndex, QModelIndex)"), self.show_book)
+    QObject.connect(self.device_model, SIGNAL("layoutChanged()"), self.device_view.resizeRowsToContents)
-    QObject.connect(self.search, SIGNAL("textChanged(QString)"), self.model.search)
+    QObject.connect(self.device_view.selectionModel(), SIGNAL("currentChanged(QModelIndex, QModelIndex)"), self.show_book)
-    QObject.connect(self.model, SIGNAL("searched()"), self.searched)
+    QObject.connect(self.search, SIGNAL("textChanged(QString)"), self.device_model.search)
+    QObject.connect(self.device_model, SIGNAL("sorted()"), self.model_modified)
+    QObject.connect(self.device_model, SIGNAL("searched()"), self.model_modified)
+    QObject.connect(self.device_model, SIGNAL("deleted()"), self.model_modified)
     self.clearButton.setIcon(QIcon(":/images/clear.png"))
     QObject.connect(self.clearButton, SIGNAL("clicked(bool)"), self.clear)
+    self.device_view.hide()
     
     # Setup book display
     self.BOOK_TEMPLATE = self.book_info.text()    
@@ -217,11 +482,19 @@ class MainWindow(QObject, Ui_MainWindow):
     self.book_cover.hide()
     self.book_info.hide()
     
+    # Populate toolbar
+    self.add_action = self.tool_bar.addAction(QIcon(":/images/fileopen.png"), "Add files to Library")
+    self.add_action.setShortcut(Qt.Key_A)
+    QObject.connect(self.add_action, SIGNAL("triggered(bool)"), self.add)
+    self.del_action = self.tool_bar.addAction(QIcon(":/images/delete.png"), "Delete selected items") 
+    self.del_action.setShortcut(Qt.Key_Delete)
+    QObject.connect(self.del_action, SIGNAL("triggered(bool)"), self.delete)
+    
+    
     self.device_detector = self.startTimer(1000)
     self.splitter.setStretchFactor(0,0)
     self.splitter.setStretchFactor(1,100)
     self.search.setFocus(Qt.OtherFocusReason)
-    self.window = window
     window.show()
     
   def timerEvent(self, e):
@@ -238,9 +511,10 @@ class MainWindow(QObject, Ui_MainWindow):
     self.df.setText("Main memory: <br><br>Storage card:")
     self.card = None
     self.treeView.setRowHidden(2, self.tree.invisibleRootItem().index(), True)
-    self.model.set_data([])
+    self.device_model.set_data([])
     self.book_cover.hide()
     self.book_info.hide()
+    self.device_view.hide()
     
   
   def timeout_error(self):
@@ -260,6 +534,7 @@ class MainWindow(QObject, Ui_MainWindow):
     QCoreApplication.processEvents(QEventLoop.ExcludeUserInputEvents)
   
   def establish_connection(self):
+    self.window.setCursor(Qt.WaitCursor)
     self.status("Connecting to device")    
     try:
       space = self.dev.available_space()
@@ -275,20 +550,17 @@ class MainWindow(QObject, Ui_MainWindow):
     sc = space[1][1] if space[1][1] else space[2][1]
     self.df.setText("Main memory:  " + human_readable(space[0][1]) + "<br><br>Storage card: " + human_readable(sc))
     self.is_connected = True
-    if space[1][2] > 0: self.card = "a:/"
+    if space[1][2] > 0: self.card = "a:"
-    elif space[2][2] > 0: self.card = "b:/"
+    elif space[2][2] > 0: self.card = "b:"
     else: self.card = None
     if self.card: self.treeView.setRowHidden(1, self.reader.index(), False)
     else: self.treeView.setRowHidden(1, self.reader.index(), True)
     self.treeView.setRowHidden(2, self.tree.invisibleRootItem().index(), False)
-    self.status("Loading media list")
+    self.status("Loading media list from device")
     mb, cb, mx, cx = self.dev.books()    
     
     for x in (mb, cb):
       for book in x:
-        if book.has_key("thumbnail"):
-          book["thumbnail"] = QIcon(QPixmap.fromImage(QImage.fromData(book["thumbnail"])))
-        else: book["thumbnail"] = QIcon(self.BOOK_IMAGE)
         if "&" in book["author"]:
           book["author"] = re.sub(r"&\s*", r"\n", book["author"])
           
@@ -296,11 +568,15 @@ class MainWindow(QObject, Ui_MainWindow):
     self.card_books = cb
     self.main_xml = mx
     self.cache_xml = cx
+    self.window.setCursor(Qt.ArrowCursor)
     
 def main():
     from PyQt4.Qt import QApplication, QMainWindow
     app = QApplication(sys.argv)
     window = QMainWindow()
+    QCoreApplication.setOrganizationName("KovidsBrain")
+    QCoreApplication.setApplicationName("prs500-gui")
     gui = MainWindow(window)    
-    return app.exec_()
+    ret = app.exec_()    
+    return ret
     

libprs500/gui/main.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>871</width>
+    <width>878</width>
-    <height>631</height>
+    <height>759</height>
    </rect>
   </property>
   <property name="sizePolicy" >
@@ -22,14 +22,24 @@
    <string>SONY Reader</string>
   </property>
   <widget class="QWidget" name="centralwidget" >
-   <layout class="QVBoxLayout" >
+   <layout class="QGridLayout" >
     <property name="margin" >
      <number>9</number>
     </property>
     <property name="spacing" >
      <number>6</number>
     </property>
-    <item>
+    <item row="1" column="0" >
+     <widget class="QProgressBar" name="progress_bar" >
+      <property name="value" >
+       <number>100</number>
+      </property>
+      <property name="orientation" >
+       <enum>Qt::Horizontal</enum>
+      </property>
+     </widget>
+    </item>
+    <item row="0" column="0" >
      <widget class="QSplitter" name="splitter" >
       <property name="orientation" >
        <enum>Qt::Horizontal</enum>
@@ -162,7 +172,25 @@
            </layout>
           </item>
           <item>
-           <widget class="QTableView" name="table_view" >
+           <widget class="QTableView" name="device_view" >
+            <property name="sizePolicy" >
+             <sizepolicy>
+              <hsizetype>7</hsizetype>
+              <vsizetype>7</vsizetype>
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="alternatingRowColors" >
+             <bool>true</bool>
+            </property>
+            <property name="showGrid" >
+             <bool>false</bool>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QTableView" name="library_view" >
             <property name="sizePolicy" >
              <sizepolicy>
               <hsizetype>7</hsizetype>
@@ -220,22 +248,21 @@
       </widget>
      </widget>
     </item>
-    <item>
-     <widget class="QProgressBar" name="progress_bar" >
-      <property name="value" >
-       <number>100</number>
-      </property>
-      <property name="orientation" >
-       <enum>Qt::Horizontal</enum>
-      </property>
-     </widget>
-    </item>
    </layout>
   </widget>
-  <widget class="QToolBar" name="toolBar" >
+  <widget class="QToolBar" name="tool_bar" >
+   <property name="movable" >
+    <bool>false</bool>
+   </property>
    <property name="orientation" >
     <enum>Qt::Horizontal</enum>
    </property>
+   <property name="iconSize" >
+    <size>
+     <width>22</width>
+     <height>22</height>
+    </size>
+   </property>
    <attribute name="toolBarArea" >
     <number>4</number>
    </attribute>

libprs500/gui/resources/images.qrc

@@ -4,5 +4,7 @@
      <file>images/mycomputer.png</file>
      <file>images/reader.png</file>
      <file>images/clear.png</file>
+     <file>images/delete.png</file>
+     <file>images/fileopen.png</file>
  </qresource>
  </RCC>

libprs500/lrf/meta.py

@@ -305,12 +305,13 @@ def main():
   import sys, os.path
   from optparse import OptionParser
   from libprs500 import __version__ as VERSION
-  parser = OptionParser(usage="usage: %prog [options] mybook.lrf", version=VERSION)
+  parser = OptionParser(usage="usage: %prog [options] mybook.lrf\n\nWARNING: Based on reverse engineering the LRF format. Making changes may render your LRF file unreadable. ", version=VERSION)
   parser.add_option("-t", "--title", action="store", type="string", dest="title", help="Set the book title")
   parser.add_option("-a", "--author", action="store", type="string", dest="author", help="Set the author")
   parser.add_option("-c", "--category", action="store", type="string", dest="category", help="The category this book belongs to. E.g.: History")
   parser.add_option("--thumbnail", action="store", type="string", dest="thumbnail", help="Path to a graphic that will be set as this files' thumbnail")
-  parser.add_option("-p", "--page", action="store", type="string", dest="page", help="Set the current page number (I think)")
+  parser.add_option("--get-thumbnail", action="store_true", dest="get_thumbnail", default=False, help="Extract thumbnail from LRF file")
+  parser.add_option("-p", "--page", action="store", type="string", dest="page", help="Don't know what this is for")
   options, args = parser.parse_args()
   if len(args) != 1:
     parser.print_help()
@@ -325,20 +326,17 @@ def main():
     lrf.thumbnail = f.read()
     f.close()
 
-  t = lrf.thumbnail
+  if options.get_thumbnail:
-  td = "None"
+    t = lrf.thumbnail
-  if t and len(t) > 0:
+    td = "None"
-    td = os.path.basename(args[0])+"_thumbnail_."+lrf.thumbail_extension()
+    if t and len(t) > 0:
-    f = open(td, "w")
+      td = os.path.basename(args[0])+"_thumbnail_."+lrf.thumbail_extension()
-    f.write(t)
+      f = open(td, "w")
-    f.close()
+      f.write(t)
+      f.close()
       
   fields = LRFMetaFile.__dict__.items()
   for f in fields:
     if "XML" in str(f): 
       print str(f[1]) + ":", lrf.__getattribute__(f[0])
-  print "Thumbnail:", td
+  if options.get_thumbnail: print "Thumbnail:", td
-  print "object index offset:", hex(lrf.object_index_offset)
-  print "toc object offset", hex(lrf.toc_object_offset)
-
-

libprs500/prstypes.py

@@ -167,6 +167,7 @@ class field(object):
     obj.pack(val, start=self._start, fmt=self._fmt)
     
   def __repr__(self):
+    typ = ""
     if self._fmt == DWORD: typ  = "unsigned int"
     if self._fmt == DDWORD: typ = "unsigned long long"
     return "An " + typ + " stored in " + str(struct.calcsize(self._fmt)) + " bytes starting at byte " + str(self._start)