diff -r 000000000000 -r 876b1a06bc25 examples/publish-subscribe/subscriberdialog.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/publish-subscribe/subscriberdialog.cpp Wed Aug 25 15:49:42 2010 +0300 @@ -0,0 +1,187 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 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. +** +** 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "subscriberdialog.h" +#if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6) +#include "ui_subscriberdialog_hor.h" +#else +#include "ui_subscriberdialog.h" +#endif + +#include + +#include +#include +#include + +#ifdef QTM_EXAMPLES_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_EXAMPLES_SMALL_SCREEN + QPushButton *switchButton = + ui->buttonBox->addButton(tr("Switch"), QDialogButtonBox::ActionRole); + connect(switchButton, SIGNAL(clicked()), this, SIGNAL(switchRequested())); +#endif + +#if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6) + tableWidget = ui->tableWidget; + QStringList headerLabels; + headerLabels << tr("Key") << tr("Value") << tr("Type"); + tableWidget->setColumnCount(3); + tableWidget->setHorizontalHeaderLabels(headerLabels); + tableWidget->horizontalHeader()->setStretchLastSection(true); + tableWidget->verticalHeader()->setVisible(false); + tableWidget->setColumnWidth(0, 200); + tableWidget->setColumnWidth(1, 400); +#else + 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); + } +#endif + connect(ui->connectButton, SIGNAL(clicked()), this, SLOT(changeSubscriberPath())); + changeSubscriberPath(); + + // if the default path does not exist reset it to / + QVariant value = subscriber->value(); + if (!subscriber->value().isValid() && subscriber->subPaths().isEmpty()) { + ui->basePath->setText(QLatin1String("/")); + 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]