diff -r cfcbf08528c4 -r 2b40d63a9c3d qtmobility/examples/publish-subscribe/subscriberdialog.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/qtmobility/examples/publish-subscribe/subscriberdialog.cpp Fri Apr 16 15:51:22 2010 +0300 @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "subscriberdialog.h" +#include "ui_subscriberdialog.h" + +#include + +#include +#include +#include + +#ifdef QTM_SMALL_SCREEN +#include +#include +#endif + +#include + +SubscriberDialog::SubscriberDialog(QWidget *parent) : + QDialog(parent), + ui(new Ui::SubscriberDialog), + subscriber(0), + tableWidget(0), listWidget(0) +{ + ui->setupUi(this); + +#ifdef QTM_SMALL_SCREEN + QPushButton *switchButton = + ui->buttonBox->addButton(tr("Switch"), QDialogButtonBox::ActionRole); + connect(switchButton, SIGNAL(clicked()), this, SIGNAL(switchRequested())); +#endif + + QDesktopWidget desktopWidget; + if (desktopWidget.availableGeometry().width() < 400) { + // Screen is too small to fit a table widget without scrolling, use a list widget instead. + listWidget = new QListWidget; + listWidget->setAlternatingRowColors(true); + ui->verticalLayout->insertWidget(2, listWidget); + } else { + tableWidget = new QTableWidget; + QStringList headerLabels; + headerLabels << tr("Key") << tr("Value") << tr("Type"); + tableWidget->setColumnCount(3); + tableWidget->setHorizontalHeaderLabels(headerLabels); + tableWidget->horizontalHeader()->setStretchLastSection(true); + tableWidget->verticalHeader()->setVisible(false); + + ui->verticalLayout->insertWidget(2, tableWidget); + } + + connect(ui->connectButton, SIGNAL(clicked()), this, SLOT(changeSubscriberPath())); + changeSubscriberPath(); +} + +SubscriberDialog::~SubscriberDialog() +{ + delete ui; +} + +void SubscriberDialog::changeEvent(QEvent *e) +{ + QDialog::changeEvent(e); + switch (e->type()) { + case QEvent::LanguageChange: + ui->retranslateUi(this); + break; + default: + break; + } +} + +//! [0] +void SubscriberDialog::changeSubscriberPath() +{ + if (listWidget) + listWidget->clear(); + else if (tableWidget) + tableWidget->clearContents(); + + if (!subscriber) + subscriber = new QValueSpaceSubscriber(ui->basePath->text(), this); + else + subscriber->setPath(ui->basePath->text()); + + connect(subscriber, SIGNAL(contentsChanged()), this, SLOT(subscriberChanged())); + + subscriberChanged(); +} +//! [0] + +//! [1] +void SubscriberDialog::subscriberChanged() +{ + QStringList subPaths = subscriber->subPaths(); + + if (listWidget) { + listWidget->clear(); + } else if (tableWidget) { + tableWidget->clearContents(); + tableWidget->setRowCount(subPaths.count()); + } + + for (int i = 0; i < subPaths.count(); ++i) { + QVariant v = subscriber->value(subPaths.at(i)); + + if (listWidget) { + const QString itemTemplate("%1 (%2)\n%3"); + + QListWidgetItem *item = + new QListWidgetItem(itemTemplate.arg(subPaths.at(i), v.typeName(), v.toString())); + item->setFlags(item->flags() & ~Qt::ItemIsEditable); + listWidget->addItem(item); + } else if (tableWidget) { + QTableWidgetItem *pathItem = new QTableWidgetItem(subPaths.at(i)); + pathItem->setFlags(pathItem->flags() & ~Qt::ItemIsEditable); + QTableWidgetItem *valueItem = new QTableWidgetItem(v.toString()); + valueItem->setFlags(valueItem->flags() & ~Qt::ItemIsEditable); + QTableWidgetItem *typeItem = new QTableWidgetItem(v.typeName()); + typeItem->setFlags(typeItem->flags() & ~Qt::ItemIsEditable); + + tableWidget->setItem(i, 0, pathItem); + tableWidget->setItem(i, 1, valueItem); + tableWidget->setItem(i, 2, typeItem); + } + } +} +//! [1]