qtmobility/tools/servicexmlgen/servicexmlgen.cpp
changeset 1 2b40d63a9c3d
child 11 06b8e2af4411
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/tools/servicexmlgen/servicexmlgen.cpp	Fri Apr 16 15:51:22 2010 +0300
@@ -0,0 +1,344 @@
+/****************************************************************************
+**
+** 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 "servicexmlgen.h"
+#include "servicewidget.h"
+#include "errorcollector.h"
+
+#include <servicemetadata_p.h>
+
+#include <QDebug>
+#include <QVBoxLayout>
+#include <QApplication>
+#include <QPushButton>
+#include <QLabel>
+#include <QXmlStreamWriter>
+#include <QFileDialog>
+#include <QMessageBox>
+#include <QPlainTextEdit>
+#include <QDesktopWidget>
+#include <QBuffer>
+#include <QMenuBar>
+
+QTM_USE_NAMESPACE
+
+static const QString serviceMetaDataErrorString(int error)
+{
+    switch (error) {
+        case ServiceMetaData::SFW_ERROR_NO_SERVICE:
+            return QObject::tr("XML does not contain <service> node.");
+        case ServiceMetaData::SFW_ERROR_NO_SERVICE_NAME:
+            return QObject::tr("XML does not specify service name.");
+        case ServiceMetaData::SFW_ERROR_NO_SERVICE_FILEPATH:
+            return QObject::tr("XML does not specify service resource location.");
+        case ServiceMetaData::SFW_ERROR_NO_SERVICE_INTERFACE:
+            return QObject::tr("XML does not contain any interfaces.");
+        case ServiceMetaData::SFW_ERROR_NO_INTERFACE_VERSION:
+            return QObject::tr("XML specifies an interface without a version.");
+        case ServiceMetaData::SFW_ERROR_NO_INTERFACE_NAME:
+            return QObject::tr("XML specifies an interface without a name.");
+        case ServiceMetaData::SFW_ERROR_UNABLE_TO_OPEN_FILE:
+            return QObject::tr("Cannot open XML file.");
+        case ServiceMetaData::SFW_ERROR_INVALID_XML_FILE:
+            return QObject::tr("The file's XML data is not valid.");
+        case ServiceMetaData::SFW_ERROR_PARSE_SERVICE:
+            return QObject::tr("Unable to parse service details.");
+        case ServiceMetaData::SFW_ERROR_PARSE_INTERFACE:
+            return QObject::tr("Unable to parse interface details.");
+        case ServiceMetaData::SFW_ERROR_DUPLICATED_INTERFACE:
+            return QObject::tr("XML contains duplicate interface.");
+        case ServiceMetaData::SFW_ERROR_INVALID_VERSION:
+            return QObject::tr("XML contains invalid interface version.");
+        case ServiceMetaData::SFW_ERROR_DUPLICATED_TAG:
+            return QObject::tr("XML contains a duplicate tag.");
+        case ServiceMetaData::SFW_ERROR_INVALID_CUSTOM_TAG:
+            return QObject::tr("XML contains an invalid custom property.");
+        case ServiceMetaData::SFW_ERROR_DUPLICATED_CUSTOM_KEY:
+            return QObject::tr("XML contains a duplicate custom property.");
+        default:
+            return QString();
+    }
+}
+
+ServiceXmlGenerator::ServiceXmlGenerator(QWidget *parent)
+    : QMainWindow(parent),
+      m_firstShow(true),
+      m_unsavedData(false),
+      m_serviceInfo(new ServiceWidget),
+      m_buttonPreview(0),
+      m_previewEdit(new QPlainTextEdit)
+{
+    connect(m_serviceInfo, SIGNAL(dataChanged()), SLOT(serviceDataChanged()));
+
+    QPushButton *buttonLoad = new QPushButton(tr("Load from XML..."));
+    buttonLoad->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Preferred);
+    connect(buttonLoad, SIGNAL(clicked()), this, SLOT(loadFromXml()));
+
+    m_buttonPreview = new QPushButton(tr("Show preview"));
+    m_buttonPreview->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Preferred);
+    connect(m_buttonPreview, SIGNAL(clicked()), this, SLOT(togglePreview()));
+
+    QPushButton *buttonSave = new QPushButton(tr("Save as XML..."));
+    buttonSave->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Preferred);
+    connect(buttonSave, SIGNAL(clicked()), this, SLOT(saveToXml()));
+
+    QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
+    fileMenu->addAction(tr("&New"), this, SLOT(clickedNew()), QKeySequence::New);
+
+    QHBoxLayout *buttons = new QHBoxLayout;
+    buttons->addWidget(buttonLoad);
+    buttons->addStretch();
+    buttons->addWidget(m_buttonPreview);
+    buttons->addWidget(buttonSave);
+    QWidget *buttonsWidget = new QWidget;
+    buttonsWidget->setLayout(buttons);
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->addWidget(m_serviceInfo);
+    mainLayout->addWidget(buttonsWidget);
+    QWidget *main = new QWidget;
+    main->setLayout(mainLayout);
+    setCentralWidget(main);
+
+    m_previewEdit->setReadOnly(true);
+    m_previewEdit->installEventFilter(this);
+    clickedNew();
+
+    m_previewEdit->setWindowTitle(tr("XML Preview"));
+    setWindowTitle(tr("Service XML Generator"));
+}
+
+ServiceXmlGenerator::~ServiceXmlGenerator()
+{
+    delete m_previewEdit;
+}
+
+bool ServiceXmlGenerator::eventFilter(QObject* watched, QEvent* event)
+{
+    if (watched == m_previewEdit && event->type() == QEvent::Hide ) {
+        m_buttonPreview->setText(tr("Show preview"));
+    }
+    return false;
+}
+
+void ServiceXmlGenerator::showEvent(QShowEvent *event)
+{
+    if (m_firstShow) {
+        m_firstShow = false;
+
+        resize(width(), minimumHeight());
+        m_previewEdit->resize(width() * 0.75, height() / 2);
+
+        int space = 30;
+        int totalWidth = width() + space + m_previewEdit->width();
+
+        QDesktopWidget desktop;
+        move((desktop.width() - totalWidth) / 2, (desktop.height() - height()) / 2);
+        m_previewEdit->move(x() + width() + space, (desktop.height() - m_previewEdit->height()) / 2);
+
+        togglePreview();
+    }
+
+    QMainWindow::showEvent(event);
+}
+
+void ServiceXmlGenerator::closeEvent(QCloseEvent *event)
+{
+    if (shouldClearData()) {
+        m_previewEdit->close();
+        event->accept();
+    } else {
+        event->ignore();
+    }
+}
+
+void ServiceXmlGenerator::serviceDataChanged()
+{
+    m_unsavedData = true;
+    refreshPreview();
+}
+
+void ServiceXmlGenerator::loadFromXml()
+{
+    loadFromXml(QString());
+}
+
+void ServiceXmlGenerator::loadFromXml(const QString& f)
+{
+    if (!shouldClearData())
+        return;
+
+    QString fileName = f;
+    if (fileName.isEmpty())
+        fileName = QFileDialog::getOpenFileName(0, tr("Open XML file"), QString(), "*.xml");
+    if (fileName.isEmpty())
+        return;
+
+    QFile file(fileName);
+    ServiceMetaData data(0);
+    if (file.open(QIODevice::ReadOnly)) {
+        data.setDevice(&file);
+        if (data.extractMetadata()) {
+            m_serviceInfo->load(data.parseResults());
+            m_unsavedData = false;
+            return;
+        }
+    }
+
+    QString msg = tr("Cannot read contents of %1.", "file name").arg(fileName);
+    QString details = serviceMetaDataErrorString(data.getLatestError());
+    if (!details.isEmpty())
+        msg += "\n\n" + tr("Error: ") + details;
+    QMessageBox::warning(0, tr("Error loading XML file"), msg);
+}
+
+void ServiceXmlGenerator::togglePreview()
+{
+    if (m_previewEdit->isVisible()) {
+        m_buttonPreview->setText(tr("Show preview"));
+        m_previewEdit->hide();
+    } else {
+        refreshPreview();
+        m_buttonPreview->setText(tr("Hide preview"));
+        m_previewEdit->show();
+    }
+}
+
+bool ServiceXmlGenerator::saveToXml()
+{
+    ErrorCollector errors;
+    m_serviceInfo->validate(&errors);
+    if (errors.errorCount() > 0) {
+        QMessageBox::information(0, tr("Invalid data"), errors.errorMessage());
+        return false;
+    }
+
+    refreshPreview();
+
+    QString fileName = QFileDialog::getSaveFileName(0, tr("Save to file"));
+    if (fileName.isEmpty())
+        return false;
+
+    QFile out(fileName);
+    if (!out.open(QIODevice::WriteOnly)) {
+        QMessageBox::warning(0, tr("Write error"),
+                tr("Cannot open %1 for writing", "file name").arg(fileName));
+        return false;
+    }
+
+    qint64 len = out.write(m_previewEdit->toPlainText().toLatin1());
+    out.close();
+    if (len < 0) {
+        QMessageBox::warning(0, tr("Write error"),
+                tr("Cannot write data to %1", "file name").arg(fileName));
+        return false;
+    }
+
+    m_unsavedData = false;
+    QMessageBox::information(0, tr("File saved"),
+            tr("Saved successfully to %1.", "file name").arg(fileName));
+    return true;
+}
+
+void ServiceXmlGenerator::clickedNew()
+{
+    if (!shouldClearData())
+        return;
+
+    m_serviceInfo->load(ServiceMetaDataResults());
+    m_unsavedData = false;
+}
+
+bool ServiceXmlGenerator::shouldClearData()
+{
+    if (m_unsavedData) {
+        QMessageBox msg;
+        msg.setWindowTitle(tr("Save changes?"));
+        msg.setText("The service has been modified.");
+        msg.setInformativeText("Do you want to save your changes?");
+        msg.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
+        msg.setDefaultButton(QMessageBox::Save);
+        switch (msg.exec()) {
+            case QMessageBox::Save:
+                if (!saveToXml())
+                    return false;
+                return true;
+            case QMessageBox::Cancel:
+                return false;
+            default:    // Discard
+                break;
+        }
+    }
+    return true;
+}
+
+void ServiceXmlGenerator::refreshPreview()
+{
+    QBuffer buffer;
+    buffer.open(QIODevice::WriteOnly);
+    getServiceXml(&buffer);
+    buffer.close();
+    m_previewEdit->setPlainText(buffer.data());
+}
+
+void ServiceXmlGenerator::getServiceXml(QIODevice *device)
+{
+    QXmlStreamWriter writer(device);
+    writer.setAutoFormatting(true);
+    writer.writeStartDocument();
+    writer.writeStartElement(QLatin1String("service"));
+    m_serviceInfo->writeXml(&writer);
+    writer.writeEndElement();
+    writer.writeEndDocument();
+}
+
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    ServiceXmlGenerator win;
+    if (argc == 2)
+        win.loadFromXml(app.arguments().at(1));
+    win.show();
+
+    return app.exec();
+}
+