131 lines
5.1 KiB
Python
131 lines
5.1 KiB
Python
#!/usr/bin/env python3
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import os
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import database
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from PyQt5 import QtWidgets, QtGui, QtCore
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class Library:
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def __init__(self, parent):
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self.parent_window = parent
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self.proxy_model = None
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def generate_model(self):
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# TODO
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# Use QItemdelegates to show book read progress
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# The QlistView widget needs to be populated
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# with a model that inherits from QStandardItemModel
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self.parent_window.viewModel = QtGui.QStandardItemModel()
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books = database.DatabaseFunctions(
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self.parent_window.database_path).fetch_data(
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('*',),
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'books',
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{'Title': ''},
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'LIKE')
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if not books:
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print('Database returned nothing')
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return
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for i in books:
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# The database query returns a tuple with the following indices
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# Index 0 is the key ID is ignored
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book_title = i[1]
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book_author = i[2]
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book_year = i[3]
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book_cover = i[8]
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book_tags = i[6]
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all_metadata = {
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'book_title': i[1],
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'book_author': i[2],
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'book_year': i[3],
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'book_path': i[4],
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'book_isbn': i[5],
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'book_tags': i[6],
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'book_hash': i[7]}
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tooltip_string = book_title + '\nAuthor: ' + book_author + '\nYear: ' + str(book_year)
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if book_tags:
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tooltip_string += ('\nTags: ' + book_tags)
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# This remarkably ugly hack is because the QSortFilterProxyModel
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# doesn't easily allow searching through multiple item roles
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search_workaround = book_title + ' ' + book_author
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if book_tags:
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search_workaround += book_tags
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# Generate image pixmap and then pass it to the widget
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# as a QIcon
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# Additional data can be set using an incrementing
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# QtCore.Qt.UserRole
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# QtCore.Qt.DisplayRole is the same as item.setText()
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# The model is a single row and has no columns
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img_pixmap = QtGui.QPixmap()
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img_pixmap.loadFromData(book_cover)
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img_pixmap = img_pixmap.scaled(420, 600, QtCore.Qt.IgnoreAspectRatio)
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item = QtGui.QStandardItem()
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item.setToolTip(tooltip_string)
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# The following order is needed to keep sorting working
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item.setData(book_title, QtCore.Qt.UserRole)
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item.setData(book_author, QtCore.Qt.UserRole + 1)
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item.setData(book_year, QtCore.Qt.UserRole + 2)
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item.setData(all_metadata, QtCore.Qt.UserRole + 3)
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item.setData(search_workaround, QtCore.Qt.UserRole + 4)
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item.setIcon(QtGui.QIcon(img_pixmap))
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self.parent_window.viewModel.appendRow(item)
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def update_listView(self):
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self.proxy_model = QtCore.QSortFilterProxyModel()
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self.proxy_model.setSourceModel(self.parent_window.viewModel)
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self.proxy_model.setFilterRole(QtCore.Qt.UserRole + 4)
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self.proxy_model.setFilterCaseSensitivity(QtCore.Qt.CaseInsensitive)
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self.proxy_model.setFilterWildcard(self.parent_window.libraryToolBar.filterEdit.text())
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self.parent_window.statusMessage.setText(
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str(self.proxy_model.rowCount()) + ' books')
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# Sorting according to roles and the drop down in the library
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self.proxy_model.setSortRole(
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QtCore.Qt.UserRole + self.parent_window.libraryToolBar.sortingBox.currentIndex())
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self.proxy_model.sort(0)
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s = QtCore.QSize(160, 250) # Set icon sizing here
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self.parent_window.listView.setIconSize(s)
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self.parent_window.listView.setModel(self.proxy_model)
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class Settings:
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def __init__(self, parent):
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self.parent_window = parent
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self.settings = QtCore.QSettings('Lector', 'Lector')
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def read_settings(self):
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self.settings.beginGroup('mainWindow')
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self.parent_window.resize(self.settings.value(
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'windowSize',
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QtCore.QSize(1299, 748)))
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self.parent_window.move(self.settings.value(
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'windowPosition',
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QtCore.QPoint(286, 141)))
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self.settings.endGroup()
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self.settings.beginGroup('runtimeVariables')
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self.parent_window.last_open_path = self.settings.value(
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'lastOpenPath', os.path.expanduser('~'))
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self.parent_window.database_path = self.settings.value(
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'databasePath',
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QtCore.QStandardPaths.writableLocation(QtCore.QStandardPaths.AppDataLocation))
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self.settings.endGroup()
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def save_settings(self):
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self.settings.beginGroup('mainWindow')
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self.settings.setValue('windowSize', self.parent_window.size())
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self.settings.setValue('windowPosition', self.parent_window.pos())
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self.settings.endGroup()
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self.settings.beginGroup('runtimeVariables')
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self.settings.setValue('lastOpenPath', self.parent_window.last_open_path)
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self.settings.setValue('databasePath', self.parent_window.database_path)
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self.settings.endGroup() |