Files
Lector/__main__.py
2017-11-06 22:04:26 +05:30

293 lines
10 KiB
Python
Executable File

#!/usr/bin/env python3
""" TODO
Define every widget in code because you're going to need to create separate tabs
Override the keypress event of the textedit
Goodreads API: Ratings, Read, Recommendations
Get ISBN using python-isbnlib
All ebooks should be returned as HTML
Theming
Search bar in toolbar
Drop down for SortBy (library view) / TOC (book view)
Pagination
sqlite3 for storing metadata
sqlite3 for caching files open @ time of exit
sqlite3 for cover images cache
Use format* icons for toolbar buttons
Information dialog widget
Check file hashes upon restart
Recursive file addition
Set context menu for definitions and the like
"""
import os
import sys
from PyQt5 import QtWidgets, QtGui, QtCore
import book_parser
import mainwindow
import database
class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
def __init__(self):
super(self.__class__, self).__init__()
self.setupUi(self)
# Initialize application
Settings(self).read_settings() # This should populate all variables that need
# to be remembered across sessions
database.DatabaseInit(self.database_path)
Toolbars(self)
# New tabs and their contents
self.tabs = {}
self.current_tab = None
self.current_textEdit = None
# Toolbar switching
self.tabWidget.currentChanged.connect(self.toolbar_switch)
# Tab closing
self.tabWidget.setTabsClosable(True)
self.tabWidget.tabBar().setTabButton(0, QtWidgets.QTabBar.RightSide, None)
self.tabWidget.tabCloseRequested.connect(self.close_tab_class)
# ListView
self.listView.setSpacing(10)
self.reload_listview()
self.listView.doubleClicked.connect(self.listclick)
# Keyboard shortcuts
self.exit_all = QtWidgets.QShortcut(QtGui.QKeySequence('Ctrl+Q'), self)
self.exit_all.activated.connect(QtWidgets.qApp.exit)
def create_tab_class(self):
# TODO
# Shift focus to tab if it's already open instead of creating
# a new one
self.tabs['TitleText'] = {
'information about': 'This tab'}
this_tab = Tabs(self, 'TitleText')
this_tab.create_tab()
def open_file(self):
# TODO
# Maybe expand this to traverse directories recursively
my_file = QtWidgets.QFileDialog.getOpenFileNames(
self, 'Open file', self.last_open_path, "eBooks (*.epub *.mobi *.txt)")
if my_file[0]:
self.last_open_path = os.path.dirname(my_file[0][0])
books = book_parser.BookSorter(my_file[0])
parsed_books = books.initiate_threads()
database.DatabaseFunctions(self.database_path).add_to_database(parsed_books)
self.reload_listview()
def reload_listview(self):
lib_ref = Library(self)
lib_ref.load_listView()
def close_tab_class(self, tab_index):
this_tab = Tabs(self, None)
this_tab.close_tab(tab_index)
def toolbar_switch(self):
if self.tabWidget.currentIndex() == 0:
self.BookToolBar.hide()
self.LibraryToolBar.show()
else:
self.BookToolBar.show()
self.LibraryToolBar.hide()
def set_fullscreen(self):
self.current_tab = self.tabWidget.currentIndex()
self.current_textEdit = self.tabWidget.widget(self.current_tab)
self.exit_shortcut = QtWidgets.QShortcut(
QtGui.QKeySequence('Escape'), self.current_textEdit)
self.exit_shortcut.activated.connect(self.set_normalsize)
self.current_textEdit.setWindowFlags(QtCore.Qt.Window)
self.current_textEdit.setWindowState(QtCore.Qt.WindowFullScreen)
self.hide()
self.current_textEdit.show()
def set_normalsize(self):
self.current_textEdit.setWindowState(QtCore.Qt.WindowNoState)
self.current_textEdit.setWindowFlags(QtCore.Qt.Widget)
self.show()
self.current_textEdit.show()
def listclick(self, myindex):
# print('selected item index found at %s with data: %s' % (myindex.row(), myindex.data()))
index = self.listView.model().index(myindex.row(), 0)
print(self.listView.model().data(index, QtCore.Qt.UserRole))
def closeEvent(self, event):
Settings(self).save_settings()
class Library:
def __init__(self, parent):
self.parent_window = parent
def load_listView(self):
# TODO
# Make this take hints from the SortBy dropdown, the FilterBy lineEdit
# and the fetch_data method in the database module
# The rest of it is just refreshing the listview
# The QlistView widget needs to be populated
# with a model that inherits from QStandardItemModel
model = QtGui.QStandardItemModel()
books = database.DatabaseFunctions(
self.parent_window.database_path).fetch_data(
('*',),
'books',
{'Title': ''},
'LIKE')
if not books:
print('Database returned nothing')
return
# The database query returns a tuple with the following indices
# Index 0 is the key ID is is ignored
for i in books:
book_title = i[1]
book_cover = i[6]
additional_data = {
'book_path': i[2],
'book_isbn': i[3],
'book_tags': i[4],
'book_hash': i[5]}
# Generate image pixmap and then pass it to the widget
# as a QIcon
# Additional data can be set using an incrementing
# QtCore.Qt.UserRole
# QtCore.Qt.DisplayRole is the same as item.setText()
# The model is a single row and has no columns
img_pixmap = QtGui.QPixmap()
img_pixmap.loadFromData(book_cover)
item = QtGui.QStandardItem(book_title)
item.setData(additional_data, QtCore.Qt.UserRole)
item.setIcon(QtGui.QIcon(img_pixmap))
model.appendRow(item)
s = QtCore.QSize(200, 200) # Set icon sizing here
self.parent_window.listView.setIconSize(s)
self.parent_window.listView.setModel(model)
class Settings:
def __init__(self, parent):
self.parent_window = parent
self.settings = QtCore.QSettings('Lector', 'Lector')
def read_settings(self):
self.settings.beginGroup('mainWindow')
self.parent_window.resize(self.settings.value(
'windowSize',
QtCore.QSize(1299, 748)))
self.parent_window.move(self.settings.value(
'windowPosition',
QtCore.QPoint(286, 141)))
self.settings.endGroup()
self.settings.beginGroup('runtimeVariables')
self.parent_window.last_open_path = self.settings.value(
'lastOpenPath', os.path.expanduser('~'))
self.parent_window.database_path = self.settings.value(
'databasePath',
QtCore.QStandardPaths.writableLocation(QtCore.QStandardPaths.AppDataLocation))
self.settings.endGroup()
def save_settings(self):
self.settings.beginGroup('mainWindow')
self.settings.setValue('windowSize', self.parent_window.size())
self.settings.setValue('windowPosition', self.parent_window.pos())
self.settings.endGroup()
self.settings.beginGroup('runtimeVariables')
self.settings.setValue('lastOpenPath', self.parent_window.last_open_path)
self.settings.setValue('databasePath', self.parent_window.database_path)
self.settings.endGroup()
class Toolbars:
# TODO
# Inheritances so that this self.parent_window.
# bullshit can be removed
def __init__(self, parent):
self.parent_window = parent
self.parent_window.BookToolBar.hide()
self.create_toolbars()
def create_toolbars(self):
# Book Toolbar
fullscreenButton = QtWidgets.QAction(
QtGui.QIcon.fromTheme('view-fullscreen'), 'Fullscreen', self.parent_window)
self.parent_window.BookToolBar.addAction(fullscreenButton)
self.parent_window.BookToolBar.setIconSize(QtCore.QSize(22, 22))
fullscreenButton.triggered.connect(self.parent_window.set_fullscreen)
# Library Toolbar
addButton = QtWidgets.QAction(
QtGui.QIcon.fromTheme('add'), 'Add book', self.parent_window)
deleteButton = QtWidgets.QAction(
QtGui.QIcon.fromTheme('remove'), 'Delete book', self.parent_window)
settingsButton = QtWidgets.QAction(
QtGui.QIcon.fromTheme('settings'), 'Settings', self.parent_window)
addButton.triggered.connect(self.parent_window.open_file)
settingsButton.triggered.connect(self.parent_window.create_tab_class)
deleteButton.triggered.connect(self.parent_window.reload_listview)
self.parent_window.LibraryToolBar.addAction(addButton)
self.parent_window.LibraryToolBar.addAction(deleteButton)
self.parent_window.LibraryToolBar.addSeparator()
self.parent_window.LibraryToolBar.addAction(settingsButton)
class Tabs:
def __init__(self, parent, book_title):
self.parent_window = parent
self.book_title = book_title
def create_tab(self):
self.tab = QtWidgets.QWidget()
self.tab.setObjectName("newtab")
self.gridLayout = QtWidgets.QGridLayout(self.tab)
self.gridLayout.setObjectName("gridLayout")
self.textEdit = QtWidgets.QTextEdit(self.tab)
self.textEdit.setObjectName("textEdit")
self.textEdit.setFrameShape(QtWidgets.QFrame.NoFrame)
self.gridLayout.addWidget(self.textEdit, 0, 0, 1, 1)
self.parent_window.tabWidget.addTab(self.tab, self.book_title)
self.textEdit.setText(','.join(dir(self.parent_window)))
def close_tab(self, tab_index):
tab_title = self.parent_window.tabWidget.tabText(tab_index).replace('&', '')
print(self.parent_window.tabs[tab_title])
self.parent_window.tabWidget.removeTab(tab_index)
def main():
app = QtWidgets.QApplication(sys.argv)
app.setApplicationName('Lector') # This is needed for QStandardPaths
# and my own hubris
form = MainUI()
form.show()
app.exec_()
if __name__ == '__main__':
main()