#!/usr/bin/env python
 
 
#############################################################################
##
## Copyright (C) 2013 Riverbank Computing Limited.
## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
## All rights reserved.
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
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## 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 Nokia Corporation and its Subsidiary(-ies) nor
##     the names of its contributors may be used to endorse or promote
##     products derived from this software without specific prior written
##     permission.
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## $QT_END_LICENSE$
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#############################################################################
 
 
from PyQt5.QtCore import QDate, Qt
from PyQt5.QtGui import (QFont, QTextCharFormat, QTextCursor, QTextFrameFormat,
        QTextLength, QTextTableFormat)
from PyQt5.QtWidgets import (QApplication, QCheckBox, QDialog,
        QDialogButtonBox, QGridLayout, QLabel, QLineEdit, QMainWindow,
        QMessageBox, QMenu, QTableWidget, QTableWidgetItem, QTabWidget,
        QTextEdit)
from PyQt5.QtPrintSupport import QAbstractPrintDialog, QPrintDialog, QPrinter
 
 
class MainWindow(QMainWindow):
    def __init__(self):
        super(MainWindow, self).__init__()
 
        fileMenu = QMenu("&File", self)
        newAction = fileMenu.addAction("&New...")
        newAction.setShortcut("Ctrl+N")
        self.printAction = fileMenu.addAction("&Print...", self.printFile)
        self.printAction.setShortcut("Ctrl+P")
        self.printAction.setEnabled(False)
        quitAction = fileMenu.addAction("E&xit")
        quitAction.setShortcut("Ctrl+Q")
        self.menuBar().addMenu(fileMenu)
 
        self.letters = QTabWidget()
 
        newAction.triggered.connect(self.openDialog)
        quitAction.triggered.connect(self.close)
 
        self.setCentralWidget(self.letters)
        self.setWindowTitle("Order Form")
 
    def createLetter(self, name, address, orderItems, sendOffers):
        editor = QTextEdit()
        tabIndex = self.letters.addTab(editor, name)
        self.letters.setCurrentIndex(tabIndex)
 
        cursor = editor.textCursor()
        cursor.movePosition(QTextCursor.Start)
        topFrame = cursor.currentFrame()
        topFrameFormat = topFrame.frameFormat()
        topFrameFormat.setPadding(16)
        topFrame.setFrameFormat(topFrameFormat)
 
        textFormat = QTextCharFormat()
        boldFormat = QTextCharFormat()
        boldFormat.setFontWeight(QFont.Bold)
 
        referenceFrameFormat = QTextFrameFormat()
        referenceFrameFormat.setBorder(1)
        referenceFrameFormat.setPadding(8)
        referenceFrameFormat.setPosition(QTextFrameFormat.FloatRight)
        referenceFrameFormat.setWidth(QTextLength(QTextLength.PercentageLength, 40))
        cursor.insertFrame(referenceFrameFormat)
 
        cursor.insertText("A company", boldFormat)
        cursor.insertBlock()
        cursor.insertText("321 City Street")
        cursor.insertBlock()
        cursor.insertText("Industry Park")
        cursor.insertBlock()
        cursor.insertText("Another country")
 
        cursor.setPosition(topFrame.lastPosition())
 
        cursor.insertText(name, textFormat)
        for line in address.split("\n"):
            cursor.insertBlock()
            cursor.insertText(line)
 
        cursor.insertBlock()
        cursor.insertBlock()
 
        date = QDate.currentDate()
        cursor.insertText("Date: %s" % date.toString('d MMMM yyyy'),
                textFormat)
        cursor.insertBlock()
 
        bodyFrameFormat = QTextFrameFormat()
        bodyFrameFormat.setWidth(QTextLength(QTextLength.PercentageLength, 100))
        cursor.insertFrame(bodyFrameFormat)
 
        cursor.insertText("I would like to place an order for the following "
                "items:", textFormat)
        cursor.insertBlock()
        cursor.insertBlock()
 
        orderTableFormat = QTextTableFormat()
        orderTableFormat.setAlignment(Qt.AlignHCenter)
        orderTable = cursor.insertTable(1, 2, orderTableFormat)
 
        orderFrameFormat = cursor.currentFrame().frameFormat()
        orderFrameFormat.setBorder(1)
        cursor.currentFrame().setFrameFormat(orderFrameFormat)
 
        cursor = orderTable.cellAt(0, 0).firstCursorPosition()
        cursor.insertText("Product", boldFormat)
        cursor = orderTable.cellAt(0, 1).firstCursorPosition()
        cursor.insertText("Quantity", boldFormat)
 
        for text, quantity in orderItems:
            row = orderTable.rows()
 
            orderTable.insertRows(row, 1)
            cursor = orderTable.cellAt(row, 0).firstCursorPosition()
            cursor.insertText(text, textFormat)
            cursor = orderTable.cellAt(row, 1).firstCursorPosition()
            cursor.insertText(str(quantity), textFormat)
 
        cursor.setPosition(topFrame.lastPosition())
 
        cursor.insertBlock()
 
        cursor.insertText("Please update my records to take account of the "
                "following privacy information:")
        cursor.insertBlock()
 
        offersTable = cursor.insertTable(2, 2)
 
        cursor = offersTable.cellAt(0, 1).firstCursorPosition()
        cursor.insertText("I want to receive more information about your "
                "company's products and special offers.", textFormat)
        cursor = offersTable.cellAt(1, 1).firstCursorPosition()
        cursor.insertText("I do not want to receive any promotional "
                "information from your company.", textFormat)
 
        if sendOffers:
            cursor = offersTable.cellAt(0, 0).firstCursorPosition()
        else:
            cursor = offersTable.cellAt(1, 0).firstCursorPosition()
 
        cursor.insertText('X', boldFormat)
 
        cursor.setPosition(topFrame.lastPosition())
        cursor.insertBlock()
        cursor.insertText("Sincerely,", textFormat)
        cursor.insertBlock()
        cursor.insertBlock()
        cursor.insertBlock()
        cursor.insertText(name)
 
        self.printAction.setEnabled(True)
 
    def createSample(self):
        dialog = DetailsDialog('Dialog with default values', self)
        self.createLetter('Mr Smith',
                '12 High Street\nSmall Town\nThis country',
                dialog.orderItems(), True)
 
    def openDialog(self):
        dialog = DetailsDialog("Enter Customer Details", self)
 
        if dialog.exec_() == QDialog.Accepted:
            self.createLetter(dialog.senderName(), dialog.senderAddress(),
                    dialog.orderItems(), dialog.sendOffers())
 
    def printFile(self):
        editor = self.letters.currentWidget()
        printer = QPrinter()
 
        dialog = QPrintDialog(printer, self)
        dialog.setWindowTitle("Print Document")
 
        if editor.textCursor().hasSelection():
            dialog.addEnabledOption(QAbstractPrintDialog.PrintSelection)
 
        if dialog.exec_() != QDialog.Accepted:
            return
 
        editor.print_(printer)
 
 
class DetailsDialog(QDialog):
    def __init__(self, title, parent):
        super(DetailsDialog, self).__init__(parent)
 
        self.items = ("T-shirt", "Badge", "Reference book", "Coffee cup")
 
        nameLabel = QLabel("Name:")
        addressLabel = QLabel("Address:")
        addressLabel.setAlignment(Qt.AlignLeft | Qt.AlignTop)
 
        self.nameEdit = QLineEdit()
        self.addressEdit = QTextEdit()
        self.offersCheckBox = QCheckBox(
                "Send information about products and special offers:")
 
        self.setupItemsTable()
 
        buttonBox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
 
        buttonBox.accepted.connect(self.verify)
        buttonBox.rejected.connect(self.reject)
 
        mainLayout = QGridLayout()
        mainLayout.addWidget(nameLabel, 0, 0)
        mainLayout.addWidget(self.nameEdit, 0, 1)
        mainLayout.addWidget(addressLabel, 1, 0)
        mainLayout.addWidget(self.addressEdit, 1, 1)
        mainLayout.addWidget(self.itemsTable, 0, 2, 2, 1)
        mainLayout.addWidget(self.offersCheckBox, 2, 1, 1, 2)
        mainLayout.addWidget(buttonBox, 3, 0, 1, 3)
        self.setLayout(mainLayout)
 
        self.setWindowTitle(title)
 
    def setupItemsTable(self):
        self.itemsTable = QTableWidget(len(self.items), 2)
 
        for row, item in enumerate(self.items):
            name = QTableWidgetItem(item)
            name.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable)
            self.itemsTable.setItem(row, 0, name)
            quantity = QTableWidgetItem('1')
            self.itemsTable.setItem(row, 1, quantity)
 
    def orderItems(self):
        orderList = []
 
        for row in range(len(self.items)):
            text = self.itemsTable.item(row, 0).text()
            quantity = int(self.itemsTable.item(row, 1).data(Qt.DisplayRole))
            orderList.append((text, max(0, quantity)))
 
        return orderList
 
    def senderName(self):
        return self.nameEdit.text()
 
    def senderAddress(self):
        return self.addressEdit.toPlainText()
 
    def sendOffers(self):
        return self.offersCheckBox.isChecked()
 
    def verify(self):
        if self.nameEdit.text() and self.addressEdit.toPlainText():
            self.accept()
            return
 
        answer = QMessageBox.warning(self, "Incomplete Form",
                "The form does not contain all the necessary information.\n"
                "Do you want to discard it?",
                QMessageBox.Yes, QMessageBox.No)
 
        if answer == QMessageBox.Yes:
            self.reject()
 
 
if __name__ == '__main__':
 
    import sys
 
    app = QApplication(sys.argv)
    window = MainWindow()
    window.resize(640, 480)
    window.show()
    window.createSample()
    sys.exit(app.exec_())