mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-27 14:38:28 +08:00
420 lines
12 KiB
C++
420 lines
12 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QtWidgets>
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#include "addressbook.h"
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AddressBook::AddressBook(QWidget *parent)
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: QWidget(parent)
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{
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QLabel *nameLabel = new QLabel(tr("Name:"));
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nameLine = new QLineEdit;
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nameLine->setReadOnly(true);
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QLabel *addressLabel = new QLabel(tr("Address:"));
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addressText = new QTextEdit;
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addressText->setReadOnly(true);
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addButton = new QPushButton(tr("&Add"));
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editButton = new QPushButton(tr("&Edit"));
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editButton->setEnabled(false);
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removeButton = new QPushButton(tr("&Remove"));
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removeButton->setEnabled(false);
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findButton = new QPushButton(tr("&Find"));
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findButton->setEnabled(false);
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submitButton = new QPushButton(tr("&Submit"));
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submitButton->hide();
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cancelButton = new QPushButton(tr("&Cancel"));
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cancelButton->hide();
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nextButton = new QPushButton(tr("&Next"));
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nextButton->setEnabled(false);
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previousButton = new QPushButton(tr("&Previous"));
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previousButton->setEnabled(false);
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loadButton = new QPushButton(tr("&Load..."));
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loadButton->setToolTip(tr("Load contacts from a file"));
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saveButton = new QPushButton(tr("&Save..."));
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saveButton->setToolTip(tr("Save contacts to a file"));
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saveButton->setEnabled(false);
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exportButton = new QPushButton(tr("E&xport"));
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exportButton->setToolTip(tr("Export as vCard"));
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exportButton->setEnabled(false);
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dialog = new FindDialog(this);
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connect(addButton, &QPushButton::clicked,
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this, &AddressBook::addContact);
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connect(submitButton, &QPushButton::clicked,
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this, &AddressBook::submitContact);
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connect(editButton, &QPushButton::clicked,
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this, &AddressBook::editContact);
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connect(removeButton, &QPushButton::clicked,
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this, &AddressBook::removeContact);
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connect(cancelButton, &QPushButton::clicked,
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this, &AddressBook::cancel);
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connect(findButton, &QPushButton::clicked,
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this, &AddressBook::findContact);
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connect(nextButton, &QPushButton::clicked,
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this, &AddressBook::next);
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connect(previousButton, &QPushButton::clicked,
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this, &AddressBook::previous);
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connect(loadButton, &QPushButton::clicked,
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this, &AddressBook::loadFromFile);
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connect(saveButton, &QPushButton::clicked,
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this, &AddressBook::saveToFile);
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connect(exportButton, &QPushButton::clicked,
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this, &AddressBook::exportAsVCard);
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QVBoxLayout *buttonLayout1 = new QVBoxLayout;
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buttonLayout1->addWidget(addButton);
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buttonLayout1->addWidget(editButton);
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buttonLayout1->addWidget(removeButton);
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buttonLayout1->addWidget(findButton);
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buttonLayout1->addWidget(submitButton);
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buttonLayout1->addWidget(cancelButton);
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buttonLayout1->addWidget(loadButton);
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buttonLayout1->addWidget(saveButton);
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buttonLayout1->addWidget(exportButton);
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buttonLayout1->addStretch();
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QHBoxLayout *buttonLayout2 = new QHBoxLayout;
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buttonLayout2->addWidget(previousButton);
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buttonLayout2->addWidget(nextButton);
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QGridLayout *mainLayout = new QGridLayout;
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mainLayout->addWidget(nameLabel, 0, 0);
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mainLayout->addWidget(nameLine, 0, 1);
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mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop);
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mainLayout->addWidget(addressText, 1, 1);
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mainLayout->addLayout(buttonLayout1, 1, 2);
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mainLayout->addLayout(buttonLayout2, 2, 1);
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setLayout(mainLayout);
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setWindowTitle(tr("Simple Address Book"));
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}
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void AddressBook::addContact()
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{
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oldName = nameLine->text();
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oldAddress = addressText->toPlainText();
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nameLine->clear();
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addressText->clear();
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updateInterface(AddingMode);
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}
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void AddressBook::editContact()
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{
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oldName = nameLine->text();
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oldAddress = addressText->toPlainText();
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updateInterface(EditingMode);
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}
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void AddressBook::submitContact()
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{
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QString name = nameLine->text();
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QString address = addressText->toPlainText();
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if (name.isEmpty() || address.isEmpty()) {
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QMessageBox::information(this, tr("Empty Field"),
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tr("Please enter a name and address."));
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return;
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}
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if (currentMode == AddingMode) {
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if (!contacts.contains(name)) {
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contacts.insert(name, address);
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QMessageBox::information(this, tr("Add Successful"),
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tr("\"%1\" has been added to your address book.").arg(name));
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} else {
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QMessageBox::information(this, tr("Add Unsuccessful"),
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tr("Sorry, \"%1\" is already in your address book.").arg(name));
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}
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} else if (currentMode == EditingMode) {
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if (oldName != name) {
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if (!contacts.contains(name)) {
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QMessageBox::information(this, tr("Edit Successful"),
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tr("\"%1\" has been edited in your address book.").arg(oldName));
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contacts.remove(oldName);
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contacts.insert(name, address);
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} else {
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QMessageBox::information(this, tr("Edit Unsuccessful"),
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tr("Sorry, \"%1\" is already in your address book.").arg(name));
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}
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} else if (oldAddress != address) {
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QMessageBox::information(this, tr("Edit Successful"),
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tr("\"%1\" has been edited in your address book.").arg(name));
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contacts[name] = address;
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}
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}
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updateInterface(NavigationMode);
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}
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void AddressBook::cancel()
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{
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nameLine->setText(oldName);
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addressText->setText(oldAddress);
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updateInterface(NavigationMode);
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}
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void AddressBook::removeContact()
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{
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QString name = nameLine->text();
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QString address = addressText->toPlainText();
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if (contacts.contains(name)) {
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int button = QMessageBox::question(this,
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tr("Confirm Remove"),
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tr("Are you sure you want to remove \"%1\"?").arg(name),
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QMessageBox::Yes | QMessageBox::No);
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if (button == QMessageBox::Yes) {
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previous();
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contacts.remove(name);
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QMessageBox::information(this, tr("Remove Successful"),
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tr("\"%1\" has been removed from your address book.").arg(name));
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}
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}
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updateInterface(NavigationMode);
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}
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void AddressBook::next()
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{
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QString name = nameLine->text();
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QMap<QString, QString>::iterator i = contacts.find(name);
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if (i != contacts.end())
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i++;
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if (i == contacts.end())
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i = contacts.begin();
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nameLine->setText(i.key());
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addressText->setText(i.value());
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}
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void AddressBook::previous()
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{
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QString name = nameLine->text();
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QMap<QString, QString>::iterator i = contacts.find(name);
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if (i == contacts.end()) {
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nameLine->clear();
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addressText->clear();
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return;
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}
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if (i == contacts.begin())
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i = contacts.end();
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i--;
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nameLine->setText(i.key());
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addressText->setText(i.value());
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}
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void AddressBook::findContact()
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{
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dialog->show();
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if (dialog->exec() == 1) {
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QString contactName = dialog->getFindText();
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if (contacts.contains(contactName)) {
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nameLine->setText(contactName);
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addressText->setText(contacts.value(contactName));
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} else {
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QMessageBox::information(this, tr("Contact Not Found"),
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tr("Sorry, \"%1\" is not in your address book.").arg(contactName));
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return;
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}
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}
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updateInterface(NavigationMode);
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}
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void AddressBook::updateInterface(Mode mode)
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{
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currentMode = mode;
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switch (currentMode) {
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case AddingMode:
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case EditingMode:
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nameLine->setReadOnly(false);
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nameLine->setFocus(Qt::OtherFocusReason);
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addressText->setReadOnly(false);
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addButton->setEnabled(false);
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editButton->setEnabled(false);
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removeButton->setEnabled(false);
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nextButton->setEnabled(false);
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previousButton->setEnabled(false);
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submitButton->show();
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cancelButton->show();
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loadButton->setEnabled(false);
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saveButton->setEnabled(false);
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exportButton->setEnabled(false);
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break;
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case NavigationMode:
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if (contacts.isEmpty()) {
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nameLine->clear();
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addressText->clear();
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}
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nameLine->setReadOnly(true);
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addressText->setReadOnly(true);
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addButton->setEnabled(true);
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int number = contacts.size();
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editButton->setEnabled(number >= 1);
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removeButton->setEnabled(number >= 1);
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findButton->setEnabled(number > 2);
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nextButton->setEnabled(number > 1);
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previousButton->setEnabled(number > 1);
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submitButton->hide();
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cancelButton->hide();
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exportButton->setEnabled(number >= 1);
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loadButton->setEnabled(true);
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saveButton->setEnabled(number >= 1);
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break;
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}
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}
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void AddressBook::saveToFile()
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{
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QString fileName = QFileDialog::getSaveFileName(this,
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tr("Save Address Book"), "",
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tr("Address Book (*.abk);;All Files (*)"));
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if (fileName.isEmpty())
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return;
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else {
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QFile file(fileName);
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if (!file.open(QIODevice::WriteOnly)) {
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QMessageBox::information(this, tr("Unable to open file"),
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file.errorString());
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return;
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}
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QDataStream out(&file);
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out.setVersion(QDataStream::Qt_4_3);
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out << contacts;
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}
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updateInterface(NavigationMode);
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}
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void AddressBook::loadFromFile()
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{
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QString fileName = QFileDialog::getOpenFileName(this,
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tr("Open Address Book"), "",
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tr("Address Book (*.abk);;All Files (*)"));
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if (fileName.isEmpty())
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return;
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else {
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QFile file(fileName);
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if (!file.open(QIODevice::ReadOnly)) {
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QMessageBox::information(this, tr("Unable to open file"),
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file.errorString());
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return;
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}
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QDataStream in(&file);
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in.setVersion(QDataStream::Qt_4_3);
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in >> contacts;
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QMap<QString, QString>::iterator i = contacts.begin();
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nameLine->setText(i.key());
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addressText->setText(i.value());
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}
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updateInterface(NavigationMode);
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}
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//! [export function part1]
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void AddressBook::exportAsVCard()
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{
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QString name = nameLine->text();
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QString address = addressText->toPlainText();
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QString firstName;
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QString lastName;
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QStringList nameList;
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int index = name.indexOf(" ");
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if (index != -1) {
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nameList = name.split(QRegularExpression("\\s+"), Qt::SkipEmptyParts);
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firstName = nameList.first();
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lastName = nameList.last();
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} else {
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firstName = name;
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lastName = "";
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}
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QString fileName = QFileDialog::getSaveFileName(this,
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tr("Export Contact"), "",
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tr("vCard Files (*.vcf);;All Files (*)"));
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if (fileName.isEmpty())
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return;
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QFile file(fileName);
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//! [export function part1]
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//! [export function part2]
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if (!file.open(QIODevice::WriteOnly)) {
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QMessageBox::information(this, tr("Unable to open file"),
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file.errorString());
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return;
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}
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QTextStream out(&file);
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//! [export function part2]
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//! [export function part3]
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out << "BEGIN:VCARD" << '\n';
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out << "VERSION:2.1" << '\n';
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out << "N:" << lastName << ';' << firstName << '\n';
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if (!nameList.isEmpty())
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out << "FN:" << nameList.join(' ') << '\n';
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else
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out << "FN:" << firstName << '\n';
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//! [export function part3]
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//! [export function part4]
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address.replace(";", "\\;", Qt::CaseInsensitive);
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address.replace('\n', ";", Qt::CaseInsensitive);
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address.replace(",", " ", Qt::CaseInsensitive);
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out << "ADR;HOME:;" << address << '\n';
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out << "END:VCARD" << '\n';
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QMessageBox::information(this, tr("Export Successful"),
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tr("\"%1\" has been exported as a vCard.").arg(name));
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}
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//! [export function part4]
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