File indexing completed on 2024-04-14 14:31:57

 // Copyright (c) 2003-2004 Rob Kaper <cap@capsi.com>
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License version 2.1 as published by the Free Software Foundation.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // Lesser General Public License for more details.
 //
 // You should have received a copy of the GNU Lesser General Public License
 // along with this library; see the file COPYING.LIB.  If not, write to
 // the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 // Boston, MA 02110-1301, USA.
 
 #include <iostream>
 
 #include <QLayout>
 #include <QDateTime>
 #include <QPixmap>
 #include <QVBoxLayout>
 #include <QHBoxLayout>
 #include <QTextStream>
 #include <QCloseEvent>
 #include <QTreeView>
 #include <QHeaderView>
 #include <QFileDialog>
 #include <QPushButton>
 #include <QDialogButtonBox>
 
 #include <klocalizedstring.h>
 #include <kiconloader.h>
 #include <kguiitem.h>
 #include <ksharedconfig.h>
 #include <kwindowconfig.h>
 
 #include "event.h"
 #include "eventlogwidget.h"
 
 EventLog::EventLog(QObject *parent)
     : QAbstractItemModel(parent)
 {
 }
 
 EventLog::~EventLog()
 {
     qDeleteAll(m_events);
 }
 
 void EventLog::addEvent(const QString &description, EventType type)
 {
     const int oldCount = m_events.count();
     beginInsertRows(QModelIndex(), oldCount, oldCount);
     Event *event = new Event(QDateTime::currentDateTime(), description, type);
     m_events.append(event);
     endInsertRows();
 }
 
 void EventLog::clear()
 {
     beginResetModel();
     qDeleteAll(m_events);
     m_events.clear();
     endResetModel();
 }
 
 void EventLog::saveAsText(QTextStream &stream) const
 {
     foreach (Event *e, m_events)
         stream << e->dateTime().toString(QStringLiteral("yyyy-MM-dd hh:mm:ss")) << " " << e->description() << '\n';
 }
 
 int EventLog::columnCount(const QModelIndex &parent) const
 {
     return parent.isValid() ? 0 : 2;
 }
 
 QVariant EventLog::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid() || index.row() < 0 || index.row() >= m_events.count()
         || index.column() < 0 || index.column() > 1)
         return QVariant();
 
     Event *e = static_cast<Event *>(index.internalPointer());
     switch (index.column())
     {
     case 0:
         if (role != Qt::DisplayRole)
             return QVariant();
         return e->dateTime().toString(QStringLiteral("yyyy-MM-dd hh:mm:ss zzz"));
     case 1:
         switch (role)
         {
         case Qt::DecorationRole:
             return cachedIcon(e->type());
         case Qt::DisplayRole:
             return e->description();
         }
         break;
     }
 
     return QVariant();
 }
 
 QVariant EventLog::headerData(int section, Qt::Orientation orientation, int role) const
 {
     if (orientation != Qt::Horizontal || role != Qt::DisplayRole
         || section < 0 || section > 1)
         return QVariant();
 
     switch (section)
     {
     case 0:
         return i18n("Date/Time");
     case 1:
         return i18n("Description");
     }
     return QVariant();
 }
 
 QModelIndex EventLog::index(int row, int column, const QModelIndex &parent) const
 {
     return parent.isValid() || row < 0 || row >= m_events.count()
         || column < 0 || column > 1
         ? QModelIndex()
         : createIndex(row, column, m_events.at(row));
 }
 
 QModelIndex EventLog::parent(const QModelIndex &) const
 {
     return QModelIndex();
 }
 
 int EventLog::rowCount(const QModelIndex &parent) const
 {
     return parent.isValid() ? 0 : m_events.count();
 }
 
 QIcon EventLog::cachedIcon(EventType type) const
 {
     if (!m_iconCache[type].isNull())
         return m_iconCache[type];
 
     QString name;
     switch (type)
     {
         case ET_Generic:
             name = QStringLiteral("atlantik");
             break;
         case ET_NetIn:
             name = QStringLiteral("arrow-left");
             break;
         case ET_NetOut:
             name = QStringLiteral("arrow-right");
             break;
         case ET_NetGeneric:
             name = QStringLiteral("network-disconnect");  // FIXME
             break;
         case ET_NetConnected:
             name = QStringLiteral("network-connect");
             break;
         case ET_NetError:
             name = QStringLiteral("network-disconnect");
             break;
         case ET_LastEvent:
             return QIcon();
     };
 
     const QIcon icon = KDE::icon(name);
     m_iconCache[type] = icon;
     return icon;
 }
 
 LastMessagesProxyModel::LastMessagesProxyModel(QObject *parent)
     : QSortFilterProxyModel(parent)
     , m_count(-1)
 {
 }
 
 void LastMessagesProxyModel::setMessagesCount(int n)
 {
     if (n == m_count)
         return;
 
     m_count = n;
     invalidateFilter();
 }
 
 void LastMessagesProxyModel::setSourceModel(QAbstractItemModel *model)
 {
     if (sourceModel())
         disconnect(sourceModel(), SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(invalidate()));
     QSortFilterProxyModel::setSourceModel(model);
     if (sourceModel())
         connect(sourceModel(), SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(invalidate()));
 }
 
 bool LastMessagesProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
 {
     if (m_count < 0)
         return true;
     return source_row + m_count >= sourceModel()->rowCount(source_parent);
 }
 
 EventLogWidget::EventLogWidget(EventLog *eventLog, QWidget *parent)
     : QDialog(parent, Qt::WindowContextHelpButtonHint)
     , m_eventLog(eventLog)
 {
     setModal(false);
     setAttribute(Qt::WA_DeleteOnClose);
 
     setWindowTitle(i18nc("@title:window", "Event Log"));
 
     QVBoxLayout *listCompBox = new QVBoxLayout(this);
 
     m_eventList = new QTreeView(this);
     m_eventList->setObjectName(QStringLiteral("eventList"));
     listCompBox->addWidget(m_eventList);
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close, this);
     QPushButton *saveButton = buttonBox->addButton(QString(), QDialogButtonBox::ActionRole);
     KGuiItem::assign(saveButton, KGuiItem(i18n("&Save As..."), QStringLiteral("document-save-as")));
     QPushButton *clearButton = buttonBox->addButton(QString(), QDialogButtonBox::ActionRole);
     KGuiItem::assign(clearButton, KGuiItem(i18n("&Clear Log"), QStringLiteral("edit-clear")));
     listCompBox->addWidget(buttonBox);
 
     LastMessagesProxyModel *proxy = new LastMessagesProxyModel(m_eventList);
     // FIXME: allow a way to show older messages
     proxy->setMessagesCount(25);
     proxy->setSourceModel(m_eventLog);
 
     m_eventList->setModel(proxy);
     m_eventList->setRootIsDecorated(false);
     m_eventList->header()->setSectionsClickable(false);
     m_eventList->header()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
 
     connect(buttonBox, SIGNAL(rejected()), this, SLOT(accept()));
     connect(saveButton, SIGNAL(clicked()), this, SLOT(save()));
     connect(clearButton, SIGNAL(clicked()), m_eventLog, SLOT(clear()));
 }
 
 void EventLogWidget::restoreSettings()
 {
     const KConfigGroup group(KSharedConfig::openConfig(), QStringLiteral("EventLogWidget"));
     KWindowConfig::restoreWindowSize(windowHandle(), group);
 }
 
 EventLogWidget::~EventLogWidget()
 {
     KConfigGroup group(KSharedConfig::openConfig(), QStringLiteral("EventLogWidget"));
     KWindowConfig::saveWindowSize(windowHandle(), group);
 }
 
 void EventLogWidget::save()
 {
     const QString filename = QFileDialog::getSaveFileName(this);
     if (filename.isEmpty())
         return;
 
     QFile file(filename);
     if ( file.open( QIODevice::WriteOnly ) )
     {
         QTextStream stream(&file);
 
         stream << i18n( "Atlantik log file, saved at %1.", QDateTime::currentDateTime().toString(QStringLiteral("yyyy-MM-dd hh:mm:ss")) ) << '\n';
 
         m_eventLog->saveAsText(stream);
     }
 }
 
 #include "moc_eventlogwidget.cpp"