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Diffstat (limited to 'examples/itemviews/addressbook/addresswidget.cpp')
-rw-r--r-- | examples/itemviews/addressbook/addresswidget.cpp | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/examples/itemviews/addressbook/addresswidget.cpp b/examples/itemviews/addressbook/addresswidget.cpp new file mode 100644 index 0000000..e8d0527 --- /dev/null +++ b/examples/itemviews/addressbook/addresswidget.cpp @@ -0,0 +1,238 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include "addresswidget.h" +#include "adddialog.h" + +//! [0] +AddressWidget::AddressWidget(QWidget *parent) + : QTabWidget(parent) +{ + table = new TableModel(this); + newAddressTab = new NewAddressTab(this); + connect(newAddressTab, SIGNAL(sendDetails(QString, QString)), + this, SLOT(addEntry(QString, QString))); + + addTab(newAddressTab, "Address Book"); + + setupTabs(); +} +//! [0] + +//! [2] +void AddressWidget::addEntry() +{ + AddDialog aDialog; + + if (aDialog.exec()) { + QString name = aDialog.nameText->text(); + QString address = aDialog.addressText->toPlainText(); + + addEntry(name, address); + } +} +//! [2] + +//! [3] +void AddressWidget::addEntry(QString name, QString address) +{ + QList< QPair<QString, QString> >list = table->getList(); + QPair<QString, QString> pair(name, address); + + if (!list.contains(pair)) { + table->insertRows(0, 1, QModelIndex()); + + QModelIndex index = table->index(0, 0, QModelIndex()); + table->setData(index, name, Qt::EditRole); + index = table->index(0, 1, QModelIndex()); + table->setData(index, address, Qt::EditRole); + removeTab(indexOf(newAddressTab)); + } else { + QMessageBox::information(this, tr("Duplicate Name"), + tr("The name \"%1\" already exists.").arg(name)); + } +} +//! [3] + +//! [4a] +void AddressWidget::editEntry() +{ + QTableView *temp = static_cast<QTableView*>(currentWidget()); + QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(temp->model()); + QItemSelectionModel *selectionModel = temp->selectionModel(); + + QModelIndexList indexes = selectionModel->selectedRows(); + QModelIndex index, i; + QString name; + QString address; + int row; + + foreach (index, indexes) { + row = proxy->mapToSource(index).row(); + i = table->index(row, 0, QModelIndex()); + QVariant varName = table->data(i, Qt::DisplayRole); + name = varName.toString(); + + i = table->index(row, 1, QModelIndex()); + QVariant varAddr = table->data(i, Qt::DisplayRole); + address = varAddr.toString(); + } +//! [4a] + +//! [4b] + AddDialog aDialog; + aDialog.setWindowTitle(tr("Edit a Contact")); + + aDialog.nameText->setReadOnly(true); + aDialog.nameText->setText(name); + aDialog.addressText->setText(address); + + if (aDialog.exec()) { + QString newAddress = aDialog.addressText->toPlainText(); + if (newAddress != address) { + i = table->index(row, 1, QModelIndex()); + table->setData(i, newAddress, Qt::EditRole); + } + } +} +//! [4b] + +//! [5] +void AddressWidget::removeEntry() +{ + QTableView *temp = static_cast<QTableView*>(currentWidget()); + QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(temp->model()); + QItemSelectionModel *selectionModel = temp->selectionModel(); + + QModelIndexList indexes = selectionModel->selectedRows(); + QModelIndex index; + + foreach (index, indexes) { + int row = proxy->mapToSource(index).row(); + table->removeRows(row, 1, QModelIndex()); + } + + if (table->rowCount(QModelIndex()) == 0) { + insertTab(0, newAddressTab, "Address Book"); + } +} +//! [5] + +//! [1] +void AddressWidget::setupTabs() +{ + QStringList groups; + groups << "ABC" << "DEF" << "GHI" << "JKL" << "MNO" << "PQR" << "STU" << "VW" << "XYZ"; + + for (int i = 0; i < groups.size(); ++i) { + QString str = groups.at(i); + + proxyModel = new QSortFilterProxyModel(this); + proxyModel->setSourceModel(table); + proxyModel->setDynamicSortFilter(true); + + QTableView *tableView = new 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); + + QString newStr = QString("^[%1].*").arg(str); + + proxyModel->setFilterRegExp(QRegExp(newStr, Qt::CaseInsensitive)); + proxyModel->setFilterKeyColumn(0); + proxyModel->sort(0, Qt::AscendingOrder); + + connect(tableView->selectionModel(), + SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)), + this, SIGNAL(selectionChanged(const QItemSelection &))); + + addTab(tableView, str); + } +} +//! [1] + +//! [7] +void AddressWidget::readFromFile(QString fileName) +{ + QFile file(fileName); + + if (!file.open(QIODevice::ReadOnly)) { + QMessageBox::information(this, tr("Unable to open file"), + file.errorString()); + return; + } + + QList< QPair<QString, QString> > pairs = table->getList(); + QDataStream in(&file); + in >> pairs; + + if (pairs.isEmpty()) { + QMessageBox::information(this, tr("No contacts in file"), + tr("The file you are attempting to open contains no contacts.")); + } else { + for (int i=0; i<pairs.size(); ++i) { + QPair<QString, QString> p = pairs.at(i); + addEntry(p.first, p.second); + } + } +} +//! [7] + +//! [6] +void AddressWidget::writeToFile(QString fileName) +{ + QFile file(fileName); + + if (!file.open(QIODevice::WriteOnly)) { + QMessageBox::information(this, tr("Unable to open file"), file.errorString()); + return; + } + + QList< QPair<QString, QString> > pairs = table->getList(); + QDataStream out(&file); + out << pairs; +} +//! [6] |