subscriberdialog.cpp Example File
publish-subscribe/subscriberdialog.cpp
#include "subscriberdialog.h"
#include "ui_subscriberdialog.h"
#include <qvaluespacesubscriber.h>
#include <QTableWidget>
#include <QListWidget>
#include <QDesktopWidget>
#if defined(Q_OS_SYMBIAN) || defined(Q_WS_SIMULATOR)
#include <QPushButton>
#include <QSizePolicy>
#endif
#include <QDebug>
SubscriberDialog::SubscriberDialog(QWidget *parent)
: QMainWindow(parent), ui(new Ui::SubscriberDialog), subscriber(0), tableWidget(0), listWidget(0)
{
ui->setupUi(this);
#if defined(Q_OS_SYMBIAN) || defined(Q_WS_SIMULATOR)
QPushButton* button = ui->buttonBox->button(QDialogButtonBox::Close);
if (button) {
ui->buttonBox->removeButton(button);
}
QPushButton *switchButton =
ui->buttonBox->addButton(tr("Switch"), QDialogButtonBox::ActionRole);
connect(switchButton, SIGNAL(clicked()), this, SIGNAL(switchRequested()));
#elif defined(MEEGO_EDITION_HARMATTAN)
connect(ui->buttonBox->button(QDialogButtonBox::Close), SIGNAL(clicked()), this, SIGNAL(closeApp()));
#endif
QDesktopWidget desktopWidget;
if (desktopWidget.availableGeometry().width() < 400) {
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();
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)
{
QMainWindow::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}
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();
}
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);
}
}
}
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