runtime/kcontrol/infocenter/ioslaveinfo/kcmioslaveinfo.cpp

   1 /*
   2  * kcmioslaveinfo.cpp
   3  *
   4  * Copyright 2001 Alexander Neundorf <neundorf@kde.org>
   5  * Copyright 2001 George Staikos  <staikos@kde.org>
   6  *
   7  * Requires the Qt widget libraries, available at no cost at
   8  * http://www.troll.no/
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  23  */
  24
  25 #include <QFile>
  26 #include <QLabel>
  27 #include <QLayout>
  28 #include <QSpinBox>
  29 #include <QTabWidget>
  30 #include <QTextCodec>
  31 #include <QWhatsThis>
  32
  33 #include <kconfig.h>
  34 #include <kdebug.h>
  35 #include <kdialog.h>
  36 #include <kglobal.h>
  37 #include <kiconloader.h>
  38 #include <kio/job.h>
  39 #include <klocale.h>
  40 #include <kprotocolinfo.h>
  41 #include <kstandarddirs.h>
  42 #include <kpluginfactory.h>
  43 #include <kpluginloader.h>
  44
  45
  46 #include "kcmioslaveinfo.h"
  47
  48 K_PLUGIN_FACTORY(SlaveFactory, registerPlugin<KCMIOSlaveInfo>();)
  49 K_EXPORT_PLUGIN( SlaveFactory("kcmioslaveinfo"))
  50
  51
  52 KCMIOSlaveInfo::KCMIOSlaveInfo(QWidget *parent, const QVariantList &)
  53                :KCModule(SlaveFactory::componentData(), parent),m_ioslavesLb(0),m_tfj(0)
  54 {
  55    QVBoxLayout *layout=new QVBoxLayout(this);
  56    layout->setMargin(0);
  57
  58    setQuickHelp( i18n("<h1>IO slaves</h1> Gives you an overview of the installed ioslaves."));
  59    setButtons( KCModule::Help );
  60
  61    QLabel* label=new QLabel(i18n("Available IO slaves:"),this);
  62    QWidget *hbox=new QWidget(this);
  63    QHBoxLayout *hboxLayout1 = new QHBoxLayout(hbox);
  64    hboxLayout1->setMargin(0);
  65    m_ioslavesLb=new KListWidget(hbox);
  66    m_ioslavesLb->setMinimumSize(fontMetrics().width("blahfaselwhatever----"),10);
  67    hboxLayout1->addWidget( m_ioslavesLb );
  68    connect( m_ioslavesLb, SIGNAL(itemSelectionChanged() ), SLOT( showInfo() ) );
  69    //TODO make something useful after 2.1 is released
  70    m_info=new KTextBrowser(hbox);
  71    hboxLayout1->setSpacing(KDialog::spacingHint());
  72    hboxLayout1->addWidget( m_info );
  73
  74    layout->addWidget(label);
  75    layout->addWidget(hbox);
  76    hboxLayout1->setStretchFactor(m_ioslavesLb,1);
  77    hboxLayout1->setStretchFactor(m_info,5);
  78
  79    QStringList protocols=KProtocolInfo::protocols();
  80    protocols.sort();
  81    for (QStringList::Iterator it=protocols.begin(); it!=protocols.end(); ++it)
  82    {
  83       QString proto = *it;
  84       m_ioslavesLb->addItem( new QListWidgetItem ( SmallIcon( KProtocolInfo::icon( proto )), proto, m_ioslavesLb));
  85    };
  86    //m_ioslavesLb->sort();
  87    //m_ioslavesLb->setSelected(0, true);
  88
  89    setButtons(KCModule::Help);
  90
  91    KAboutData *about =
  92    new KAboutData(I18N_NOOP("kcmioslaveinfo"), 0,
  93         ki18n("KDE Panel System Information Control Module"),
  94         0, KLocalizedString(), KAboutData::License_GPL,
  95         ki18n("(c) 2001 - 2002 Alexander Neundorf"));
  96
  97    about->addAuthor(ki18n("Alexander Neundorf"), KLocalizedString(), "neundorf@kde.org");
  98    about->addAuthor(ki18n("George Staikos"), KLocalizedString(), "staikos@kde.org");
  99    setAboutData( about );
 100
 101 }
 102
 103 void KCMIOSlaveInfo::slaveHelp( KIO::Job *, const QByteArray &data)
 104 {
 105     if ( data.size() == 0 ) { // EOF
 106         int index = helpData.indexOf( "<meta http-equiv=\"Content-Type\"" );
 107         index = helpData.indexOf( "charset=", index ) + 8;
 108         QString charset = helpData.mid( index, helpData.indexOf( '\"', index ) - index );
 109         QString text = QTextCodec::codecForName(charset.toLatin1())->toUnicode( helpData );
 110         index = text.indexOf( "<div class=\"titlepage\">" );
 111         text = text.mid( index );
 112         index = text.indexOf( "<table width=\"100%\" class=\"bottom-nav\"" );
 113         text = text.left( index );
 114         m_info->setHtml(text);
 115         return;
 116     }
 117     helpData += data;
 118 }
 119
 120 void KCMIOSlaveInfo::slotResult(KJob *)
 121 {
 122    m_tfj = 0;
 123 }
 124
 125 void KCMIOSlaveInfo::showInfo(const QString& protocol)
 126 {
 127    QString file = QString("kioslave/%1.docbook").arg( protocol );
 128    file = KGlobal::locale()->langLookup( file );
 129    if (m_tfj)
 130    {
 131       m_tfj->kill();
 132       m_tfj = 0;
 133    }
 134
 135    if (!file.isEmpty())
 136    {
 137        helpData.clear();
 138        m_tfj = KIO::get( KUrl( QString("help:/kioslave/%1.html").arg( protocol ) ), KIO::Reload, KIO::HideProgressInfo );
 139        connect( m_tfj, SIGNAL( data( KIO::Job *, const QByteArray &) ), SLOT( slaveHelp( KIO::Job *, const QByteArray &) ) );
 140        connect( m_tfj, SIGNAL( result( KJob * ) ), SLOT( slotResult( KJob * ) ) );
 141        return;
 142    }
 143    m_info->setPlainText(i18n("Some info about protocol %1:/ ...", protocol));
 144 }
 145
 146 void KCMIOSlaveInfo::showInfo()
 147 {
 148    QListWidgetItem *item = m_ioslavesLb->currentItem();
 149    if (item==0)
 150       return;
 151    showInfo( item->text() );
 152 }
 153
 154 #include "kcmioslaveinfo.moc"
 155