• Skip to content
  • Skip to link menu
KDE 4.2 API Reference
  • KDE API Reference
  • API Reference
  • Sitemap
  • Contact Us
 

Plasma

serviceviewer.cpp

Go to the documentation of this file.
00001 /*
00002  *   Copyright 2008 Aaron Seigo <aseigo@kde.org>
00003  *
00004  *   This program is free software; you can redistribute it and/or modify
00005  *   it under the terms of the GNU General Public License as
00006  *   published by the Free Software Foundation; either version 2,
00007  *   or (at your option) any later version.
00008  *
00009  *   This program is distributed in the hope that it will be useful,
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *   GNU General Public License for more details
00013  *
00014  *   You should have received a copy of the GNU Library General Public
00015  *   License along with this program; if not, write to the
00016  *   Free Software Foundation, Inc.,
00017  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00018  */
00019 
00020 #include "serviceviewer.h"
00021 
00022 #include <KDebug>
00023 #include <KMessageBox>
00024 #include <KStringHandler>
00025 
00026 #include <Plasma/DataEngine>
00027 #include <Plasma/Service>
00028 #include <Plasma/ServiceJob>
00029 
00030 ServiceViewer::ServiceViewer(Plasma::DataEngine *engine, const QString &source, QWidget *parent)
00031     : KDialog(parent),
00032       m_engine(engine),
00033       m_service(0),
00034       m_source(source),
00035       m_operationCount(0)
00036 {
00037     setAttribute(Qt::WA_DeleteOnClose);
00038     QWidget* mainWidget = new QWidget(this);
00039     setMainWidget(mainWidget);
00040     setupUi(mainWidget);
00041     m_operationStatus->hide();
00042 
00043     setButtons(KDialog::Close | KDialog::User1);
00044     setButtonText(KDialog::User1, i18n("Start Operation"));
00045     connect(this, SIGNAL(user1Clicked()), this, SLOT(startOperation()));
00046     enableButton(KDialog::User1, false);
00047 
00048     connect(m_operations, SIGNAL(currentIndexChanged(QString)),
00049             this, SLOT(operationSelected(QString)));
00050 
00051     QString engineName = i18nc("Plasma engine with unknown name", "Unknown");
00052     QString serviceName = i18nc("Plasma service with unknown name", "Unknown");
00053 
00054     if (m_engine) {
00055         engineName = KStringHandler::capwords(m_engine->name());
00056         m_service = m_engine->serviceForSource(m_source);
00057         Q_ASSERT(m_service);
00058         serviceName = m_service->name();
00059         updateOperations();
00060         connect(m_service, SIGNAL(operationsChanged()), this, SLOT(updateOperations()));
00061         connect(m_service, SIGNAL(finished(Plasma::ServiceJob*)), this,
00062                 SLOT(operationResult(Plasma::ServiceJob*)));
00063         connect(m_engine, SIGNAL(destroyed(QObject*)), this, SLOT(engineDestroyed()));
00064     }
00065 
00066     setWindowTitle(i18nc("%1 is a Plasma service name", "%1 Service Explorer", serviceName));
00067 
00068     QString title = i18n("DataEngine: <b>%1</b>; Source: <b>%2</b>; Service <b>%3</b>", engineName, m_source, serviceName);
00069     m_title->setText(title);
00070     m_operations->setFocus();
00071 }
00072 
00073 ServiceViewer::~ServiceViewer()
00074 {
00075     delete m_service;
00076     m_engine = 0;
00077 }
00078 
00079 void ServiceViewer::updateOperations()
00080 {
00081     if (!m_engine) {
00082         return;
00083     }
00084 
00085     bool enable = false;
00086 
00087     m_operations->clear();
00088     m_operationDescription->clear();
00089 
00090     if (m_service) {
00091         QStringList operations = m_service->operationNames();
00092 
00093         if (!operations.isEmpty()) {
00094             enable = true;
00095 
00096             foreach (const QString& operation, operations) {
00097                 m_operations->addItem(operation);
00098             }
00099         }
00100     }
00101 
00102     m_operations->setEnabled(enable);
00103     m_operationsLabel->setEnabled(enable);
00104     m_operationDescription->setEnabled(enable);
00105 }
00106 
00107 void ServiceViewer::startOperation()
00108 {
00109     if (!m_service) {
00110         return;
00111     }
00112 
00113     QString operation = m_operations->currentText();
00114     KConfigGroup desc = m_service->operationDescription(operation);
00115     for (int i = 0; i < m_operationDescription->rowCount(); ++i) {
00116         QTableWidgetItem *item = m_operationDescription->item(i, 1);
00117         QString value = item->text();
00118 
00119         if (value.isEmpty()) {
00120             continue;
00121         }
00122 
00123         item = m_operationDescription->item(i, 0);
00124         QString key = item->text();
00125         desc.writeEntry(key, value);
00126     }
00127 
00128     updateJobCount(1);
00129     m_service->startOperationCall(desc);
00130 }
00131 
00132 void ServiceViewer::operationSelected(const QString &operation)
00133 {
00134     if (!m_service) {
00135         return;
00136     }
00137 
00138     enableButton(KDialog::User1, true);
00139     QStringList headers;
00140     headers << i18n("Key") << i18n("Value");
00141     m_operationDescription->setHorizontalHeaderLabels(headers);
00142 
00143     KConfigGroup desc = m_service->operationDescription(operation);
00144     int i = 0;
00145     QStringList keys = desc.keyList();
00146     m_operationDescription->setRowCount(keys.count());
00147     foreach (const QString &key, keys) {
00148         QTableWidgetItem *item = new QTableWidgetItem(key);
00149         item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
00150         m_operationDescription->setItem(i, 0, item);
00151 
00152         item = new QTableWidgetItem(desc.readEntry(key, QString()));
00153         m_operationDescription->setItem(i, 1, item);
00154 
00155         ++i;
00156     }
00157 }
00158 
00159 void ServiceViewer::operationResult(Plasma::ServiceJob *job)
00160 {
00161     if (!m_service) {
00162         return;
00163     }
00164 
00165     updateJobCount(-1);
00166 
00167     if (job->error()) {
00168         KMessageBox::information(this,
00169                                  i18n("%1 operation with destination %2 failed. "
00170                                       "The error was:<p><b>%3</b>", job->operationName(), job->destination(),
00171                                       QString::number(job->error()) + ": " + job->errorString()),
00172                                  i18n("Operation Result"));
00173     } else {
00174         QString result = job->result().toString();
00175         if (result.isEmpty()) {
00176             result = i18n("No response from job!");
00177         }
00178 
00179         KMessageBox::information(this,
00180                                  i18n("%1 operation with destination %2 returned successfully. "
00181                                       "The result was:<p><b>%3</b>", job->operationName(),
00182                                       job->destination(), result),
00183                                  i18n("Operation Result"));
00184     }
00185 
00186     kDebug() << "operation results are in!";
00187 }
00188 
00189 void ServiceViewer::engineDestroyed()
00190 {
00191     m_service = 0;
00192     m_engine = 0;
00193     hide();
00194     deleteLater();
00195 }
00196 
00197 void ServiceViewer::updateJobCount(int numberOfJobs)
00198 {
00199     m_operationCount += numberOfJobs;
00200 
00201     if (m_operationCount < 1) {
00202         m_operationCount = 0;
00203         m_operationStatus->hide();
00204     } else {
00205         m_operationStatus->setText(i18np("One active operation ...", "%1 operations active ...", m_operationCount));
00206         m_operationStatus->show();
00207     }
00208 }
00209 
00210 #include "serviceviewer.moc"
00211 

Plasma

Skip menu "Plasma"
  • Main Page
  • Namespace List
  • Class Hierarchy
  • Alphabetical List
  • Class List
  • File List
  • Namespace Members
  • Class Members

API Reference

Skip menu "API Reference"
  • KWin
  •   KWin Libraries
  • Libraries
  •   libkworkspace
  •   libsolidcontrol
  •   libtaskmanager
  • Plasma
  •   Animators
  •   Applets
  •   Engines
  • Solid Modules
Generated for API Reference by doxygen 1.5.7
This website is maintained by Adriaan de Groot and Allen Winter.
KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V. | Legal