WQtMessageDock.cpp

//---------------------------------------------------------------------------
//
// Project: OpenWalnut ( http://www.openwalnut.org )
//
// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
// For more information see http://www.openwalnut.org/copying
//
// This file is part of OpenWalnut.
//
// OpenWalnut is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// OpenWalnut 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 OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
//
//---------------------------------------------------------------------------
 
#include <iostream>
 
#include <QAction>
#include <QDockWidget>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QWidget>
#include <QComboBox>
 
#include "WQtGui.h"
#include "WMainWindow.h"
#include "WQtMessagePopup.h"
 
#include "WQtMessageDock.h"
 
#define MAXITEMS 50
 
WQtMessageDock::WQtMessageDock( QString dockTitle, QWidget* parent ):
    WQtDockWidget( dockTitle, parent )
{
    setObjectName( "MessageDock:" + dockTitle );
    setAllowedAreas( Qt::AllDockWidgetAreas );
    setFeatures( QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable );
 
    // log messages
    m_logList = new QListWidget( this );
    setWidget( m_logList );
 
    // filter list
    m_filterCombo = new QComboBox();
    m_filterCombo->setToolTip( "Filter the messages by level. When choosing a level, all messages with this and an above level will be displayed." );
    // m_filterCombo->addItem( "Debug" ); // disabled. See issue #283
    m_filterCombo->addItem( "Info" );
    m_filterCombo->addItem( "Warning" );
    m_filterCombo->addItem( "Error" );
    m_filterCombo->setCurrentIndex(
        WMainWindow::getSettings().value( "MessageDockFilterIndex", 1 ).toInt()
    ); // warning is the default
 
    // connect filter combo
    connect( m_filterCombo, SIGNAL( currentIndexChanged( int ) ), this, SLOT( handleFilterUpdate() ) );
 
    // clear list action
    QAction* clearAction = new QAction( WQtGui::getMainWindow()->getIconManager()->getIcon( "clear" ), "Clear Messages", this );
    connect( clearAction, SIGNAL( triggered() ), this, SLOT( clearMessages() ) );
 
    // add everything too the title list
    addTitleAction( clearAction );
    addTitleWidget( m_filterCombo );
}
 
WQtMessageDock::~WQtMessageDock()
{
    // cleanup
}
 
void WQtMessageDock::addLogMessage( const WLogEntry& entry )
{
    addLogMessage( QString::fromStdString( entry.getSource() ),
                   QString::fromStdString( entry.getMessage() ),
                   entry.getLogLevel() );
}
 
void WQtMessageDock::addLogMessage( QString sender, QString message, WQtMessagePopup::MessageType type )
{
    addMessage( "Log message from " + sender, message, type );
}
 
void WQtMessageDock::addMessage( QString title, QString message, WQtMessagePopup::MessageType type )
{
    WQtMessagePopup* w = new WQtMessagePopup( m_logList, title, message, type );
    w->setAutoClose( false );
    w->setShowCloseButton( false );
    w->setAutoPosition( false );
 
    QListWidgetItem* item = new QListWidgetItem( m_logList );
    item->setSizeHint( QSize( 0, w->sizeHint().height() ) );
    m_logList->addItem( item );
    m_logList->setItemWidget( item, w );
 
    // hide messages not matching the filter
    if( type < ( m_filterCombo->currentIndex() + 1 ) )
    {
        item->setHidden( true );
    }
    else
    {
        // if visible, jump to item
        m_logList->scrollToBottom();
    }
 
    // ensure we only have MAXITEMS items
    if( m_logList->count() > MAXITEMS )
    {
        // clean up the oldest items
        for( int i = 0; i < m_logList->count() - MAXITEMS; ++i )
        {
            QListWidgetItem* li = m_logList->item( i );
            delete li;
        }
    }
}
 
void WQtMessageDock::saveSettings()
{
    WMainWindow::getSettings().setValue( "MessageDockFilterIndex", m_filterCombo->currentIndex() );
}
 
void WQtMessageDock::handleFilterUpdate()
{
    for( int i = 0; i < m_logList->count(); ++i )
    {
        QListWidgetItem* li = m_logList->item( i );
        QWidget* w = m_logList->itemWidget( li );
        WQtMessagePopup* popup = dynamic_cast< WQtMessagePopup* >( w );
        if( popup )
        {
            li->setHidden( popup->getType() < ( m_filterCombo->currentIndex() + 1 ) );
        }
    }
}
 
void WQtMessageDock::clearMessages()
{
    m_logList->clear();
}