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Diffstat (limited to 'examples/widgets/itemviews/addressbook/addresswidget.py')
| -rw-r--r-- | examples/widgets/itemviews/addressbook/addresswidget.py | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/examples/widgets/itemviews/addressbook/addresswidget.py b/examples/widgets/itemviews/addressbook/addresswidget.py deleted file mode 100644 index b70b44b0a..000000000 --- a/examples/widgets/itemviews/addressbook/addresswidget.py +++ /dev/null @@ -1,247 +0,0 @@ - -############################################################################# -## -## Copyright (C) 2011 Arun Srinivasan <rulfzid@gmail.com> -## Copyright (C) 2016 The Qt Company Ltd. -## Contact: http://www.qt.io/licensing/ -## -## This file is part of the Qt for Python examples of the Qt Toolkit. -## -## $QT_BEGIN_LICENSE:BSD$ -## You may use this file under the terms of the BSD license as follows: -## -## "Redistribution and use in source and binary forms, with or without -## modification, are permitted provided that the following conditions are -## met: -## * Redistributions of source code must retain the above copyright -## notice, this list of conditions and the following disclaimer. -## * Redistributions in binary form must reproduce the above copyright -## notice, this list of conditions and the following disclaimer in -## the documentation and/or other materials provided with the -## distribution. -## * Neither the name of The Qt Company Ltd nor the names of its -## contributors may be used to endorse or promote products derived -## from this software without specific prior written permission. -## -## -## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -## -## $QT_END_LICENSE$ -## -############################################################################# - -try: - import cpickle as pickle -except ImportError: - import pickle - -from PySide2.QtCore import (Qt, Signal, QRegExp, QModelIndex, - QItemSelection, QSortFilterProxyModel) -from PySide2.QtWidgets import QTabWidget, QMessageBox, QTableView, QAbstractItemView - -from tablemodel import TableModel -from newaddresstab import NewAddressTab -from adddialogwidget import AddDialogWidget - - -class AddressWidget(QTabWidget): - """ The central widget of the application. Most of the addressbook's - functionality is contained in this class. - """ - - selectionChanged = Signal(QItemSelection) - - def __init__(self, parent=None): - """ Initialize the AddressWidget. """ - super(AddressWidget, self).__init__(parent) - - self.tableModel = TableModel() - self.newAddressTab = NewAddressTab() - self.newAddressTab.sendDetails.connect(self.addEntry) - - self.addTab(self.newAddressTab, "Address Book") - - self.setupTabs() - - def addEntry(self, name=None, address=None): - """ Add an entry to the addressbook. """ - if name is None and address is None: - addDialog = AddDialogWidget() - - if addDialog.exec_(): - name = addDialog.name - address = addDialog.address - - address = {"name": name, "address": address} - addresses = self.tableModel.addresses[:] - - # The QT docs for this example state that what we're doing here - # is checking if the entered name already exists. What they - # (and we here) are actually doing is checking if the whole - # name/address pair exists already - ok for the purposes of this - # example, but obviously not how a real addressbook application - # should behave. - try: - addresses.remove(address) - QMessageBox.information(self, "Duplicate Name", - "The name \"%s\" already exists." % name) - except ValueError: - # The address didn't already exist, so let's add it to the model. - - # Step 1: create the row - self.tableModel.insertRows(0) - - # Step 2: get the index of the newly created row and use it. - # to set the name - ix = self.tableModel.index(0, 0, QModelIndex()) - self.tableModel.setData(ix, address["name"], Qt.EditRole) - - # Step 3: lather, rinse, repeat for the address. - ix = self.tableModel.index(0, 1, QModelIndex()) - self.tableModel.setData(ix, address["address"], Qt.EditRole) - - # Remove the newAddressTab, as we now have at least one - # address in the model. - self.removeTab(self.indexOf(self.newAddressTab)) - - # The screenshot for the QT example shows nicely formatted - # multiline cells, but the actual application doesn't behave - # quite so nicely, at least on Ubuntu. Here we resize the newly - # created row so that multiline addresses look reasonable. - tableView = self.currentWidget() - tableView.resizeRowToContents(ix.row()) - - def editEntry(self): - """ Edit an entry in the addressbook. """ - tableView = self.currentWidget() - proxyModel = tableView.model() - selectionModel = tableView.selectionModel() - - # Get the name and address of the currently selected row. - indexes = selectionModel.selectedRows() - - for index in indexes: - row = proxyModel.mapToSource(index).row() - ix = self.tableModel.index(row, 0, QModelIndex()) - name = self.tableModel.data(ix, Qt.DisplayRole) - ix = self.tableModel.index(row, 1, QModelIndex()) - address = self.tableModel.data(ix, Qt.DisplayRole) - - # Open an addDialogWidget, and only allow the user to edit the address. - addDialog = AddDialogWidget() - addDialog.setWindowTitle("Edit a Contact") - - addDialog.nameText.setReadOnly(True) - addDialog.nameText.setText(name) - addDialog.addressText.setText(address) - - # If the address is different, add it to the model. - if addDialog.exec_(): - newAddress = addDialog.address - if newAddress != address: - ix = self.tableModel.index(row, 1, QModelIndex()) - self.tableModel.setData(ix, newAddress, Qt.EditRole) - - def removeEntry(self): - """ Remove an entry from the addressbook. """ - tableView = self.currentWidget() - proxyModel = tableView.model() - selectionModel = tableView.selectionModel() - - # Just like editEntry, but this time remove the selected row. - indexes = selectionModel.selectedRows() - - for index in indexes: - row = proxyModel.mapToSource(index).row() - self.tableModel.removeRows(row) - - # If we've removed the last address in the model, display the - # newAddressTab - if self.tableModel.rowCount() == 0: - self.insertTab(0, self.newAddressTab, "Address Book") - - def setupTabs(self): - """ Setup the various tabs in the AddressWidget. """ - groups = ["ABC", "DEF", "GHI", "JKL", "MNO", "PQR", "STU", "VW", "XYZ"] - - for group in groups: - proxyModel = QSortFilterProxyModel(self) - proxyModel.setSourceModel(self.tableModel) - proxyModel.setDynamicSortFilter(True) - - tableView = QTableView() - tableView.setModel(proxyModel) - tableView.setSortingEnabled(True) - tableView.setSelectionBehavior(QAbstractItemView.SelectRows) - tableView.horizontalHeader().setStretchLastSection(True) - tableView.verticalHeader().hide() - tableView.setEditTriggers(QAbstractItemView.NoEditTriggers) - tableView.setSelectionMode(QAbstractItemView.SingleSelection) - - # This here be the magic: we use the group name (e.g. "ABC") to - # build the regex for the QSortFilterProxyModel for the group's - # tab. The regex will end up looking like "^[ABC].*", only - # allowing this tab to display items where the name starts with - # "A", "B", or "C". Notice that we set it to be case-insensitive. - reFilter = "^[%s].*" % group - - proxyModel.setFilterRegExp(QRegExp(reFilter, Qt.CaseInsensitive)) - proxyModel.setFilterKeyColumn(0) # Filter on the "name" column - proxyModel.sort(0, Qt.AscendingOrder) - - # This prevents an application crash (see: http://www.qtcentre.org/threads/58874-QListView-SelectionModel-selectionChanged-Crash) - viewselectionmodel = tableView.selectionModel() - tableView.selectionModel().selectionChanged.connect(self.selectionChanged) - - self.addTab(tableView, group) - - # Note: the QT example uses a QDataStream for the saving and loading. - # Here we're using a python dictionary to store the addresses, which - # can't be streamed using QDataStream, so we just use cpickle for this - # example. - def readFromFile(self, filename): - """ Read contacts in from a file. """ - try: - f = open(filename, "rb") - addresses = pickle.load(f) - except IOError: - QMessageBox.information(self, "Unable to open file: %s" % filename) - finally: - f.close() - - if len(addresses) == 0: - QMessageBox.information(self, "No contacts in file: %s" % filename) - else: - for address in addresses: - self.addEntry(address["name"], address["address"]) - - def writeToFile(self, filename): - """ Save all contacts in the model to a file. """ - try: - f = open(filename, "wb") - pickle.dump(self.tableModel.addresses, f) - - except IOError: - QMessageBox.information(self, "Unable to open file: %s" % filename) - finally: - f.close() - - -if __name__ == "__main__": - import sys - from PySide2.QtWidgets import QApplication - - app = QApplication(sys.argv) - addressWidget = AddressWidget() - addressWidget.show() - sys.exit(app.exec_()) |