/*
                             This file is part of the Opie Project

                             Copyright (C) Maximilian Reiss <harlekin@handhelds.org>
              =.
            .=l.
           .>+-=
 _;:,     .>    :=|.         This program is free software; you can
.> <`_,   >  .   <=          redistribute it and/or  modify it under
:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
.="- .-=="i,     .._         License as published by the Free Software
 - .   .-<_>     .<>         Foundation; either version 2 of the License,
     ._= =}       :          or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s.       This program 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
..}^=.=       =       ;      Library General Public License for more
++=   -.     .`     .:       details.
 :     =  ...= . :.=-
 -.   .:....=;==+<;          You should have received a copy of the GNU
  -_. . .   )=.  =           Library General Public License along with
    --        :-=`           this library; see the file COPYING.LIB.
                             If not, write to the Free Software Foundation,
                             Inc., 59 Temple Place - Suite 330,
                             Boston, MA 02111-1307, USA.
*/

#include "todayconfig.h"

#include <opie2/oconfig.h>
#include <opie2/opluginloader.h>
#include <opie2/oresource.h>
#include <opie2/todayplugininterface.h>

#include <qpe/qcopenvelope_qws.h>
#include <qpe/qpeapplication.h>

#include <qcheckbox.h>
#include <qlabel.h>
#include <qspinbox.h>
#include <qlayout.h>
#include <qheader.h>
#include <qvbox.h>
#include <qtoolbutton.h>
#include <qwhatsthis.h>

using namespace Opie::Ui;
using Opie::Core::OConfig;
using Opie::Core::OPluginManager;
using Opie::Core::OPluginLoader;
using Opie::Core::OPluginItem;

class ToolButton : public QToolButton {

public:
    ToolButton( QWidget *parent, const char *name, const QString& icon, QObject *handler, const QString& slot, bool t = FALSE )
: QToolButton( parent, name ) {
        setUsesBigPixmap( true );
        setPixmap( Opie::Core::OResource::loadPixmap( icon, Opie::Core::OResource::SmallIcon ) );
        setAutoRaise( TRUE );
        setFocusPolicy( QWidget::NoFocus );
        setToggleButton( t );
        connect( this, t ? SIGNAL( toggled(bool) ) : SIGNAL( clicked() ), handler, slot );
    }
};


/**
 * The class has currently quite some duplicate code.
 * By that way it would be real easy to have it as seperate app in settings tab
 *
 */
TodayConfig::TodayConfig( QWidget* parent, const char* name, bool modal )
: QDialog( parent, name, modal, WStyle_ContextHelp ) {

    setCaption( tr( "Today Config" ) );

    QVBoxLayout *layout = new QVBoxLayout( this );
    TabWidget3 = new OTabWidget ( this, "tabwidget", OTabWidget::Global, OTabWidget::Bottom );
    layout->addWidget( TabWidget3 );

    tab_2 = new QWidget( TabWidget3, "tab_2" );
    QVBoxLayout *tab2Layout = new QVBoxLayout( tab_2, 4 ,4 );
    QLabel *l = new QLabel( tr( "Load which plugins in what order:" ), tab_2 );
    tab2Layout->addWidget( l );
    QHBox *hbox1 = new QHBox( tab_2 );
    m_appletListView = new QListView( hbox1 );
    m_appletListView->addColumn( "PluginList" );
    m_appletListView->header()->hide();
    m_appletListView->setSorting( -1 );
    QWhatsThis::add
        ( m_appletListView, tr( "Check a checkbox to activate/deactivate a plugin or use the arrow buttons on the right to change the appearance order" ) );
    QVBox *vbox1 = new QVBox( hbox1 );
    new ToolButton( vbox1, tr( "Move Up" ), "up",  this , SLOT( moveSelectedUp() ) );
    new ToolButton( vbox1, tr( "Move Down" ), "down", this , SLOT( moveSelectedDown() ) );
    tab2Layout->addWidget( hbox1 );
    TabWidget3->addTab( tab_2, "pass", tr( "active/order" ) );

    // Misc tab
    tab_3 = new QWidget( TabWidget3, "tab_3" );
    QVBoxLayout *tab3Layout = new QVBoxLayout( tab_3 );

    m_guiMisc = new TodayConfigMiscBase( tab_3 );

    tab3Layout->addWidget( m_guiMisc );
    TabWidget3->addTab( tab_3, "SettingsIcon", tr( "Misc" ) );

    previousItem = 0l;
    readConfig();
}


void TodayConfig::setUpPlugins( OPluginManager * plugManager, OPluginLoader *plugLoader ) {
    m_configMap.clear();

    m_pluginManager = plugManager;
    m_pluginLoader = plugLoader;

    OPluginItem::List inLst = m_pluginLoader->allAvailable( true );

    OPluginItem::List lst;
    for ( OPluginItem::List::Iterator it = inLst.begin(); it != inLst.end(); ++it ) {
    	lst.prepend((*it));

        TodayPluginInterface* iface = m_pluginLoader->load<TodayPluginInterface>( *it, IID_TodayPluginInterface );
        TodayConfigWidget *widget = iface->guiPart()->configWidget( TabWidget3 );

        if (!widget )
            continue;

        m_configMap.insert( iface, widget );
        TabWidget3->addTab( widget, iface->guiPart()->pixmapNameConfig()
                            , iface->guiPart()->appName() );
    }

    for ( OPluginItem::List::Iterator it = lst.begin(); it != lst.end(); ++it )
        pluginManagement( (*it) );


    TabWidget3->setCurrentTab( tab_2 );
}

/**
 * Autostart, uses the new (opie only) autostart method in the launcher code.
 * If registered against that today ist started on each resume.
 */
void TodayConfig::setAutoStart() {
    OConfig cfg( "today" );
    cfg.setGroup( "Autostart" );
    if ( m_autoStart ) {
        QCopEnvelope e( "QPE/System", "autoStart(QString,QString,QString)" );
        e << QString( "add" );
        e << QString( "today" );
        e << QString( "%1" ).arg( m_autoStartTimer );
    } else {
        QCopEnvelope e( "QPE/System", "autoStart(QString,QString)" );
        e << QString( "remove" );
        e << QString( "today" );
    }
}

/**
 * Read the config part
 */
void TodayConfig::readConfig() {
    OConfig cfg( "today" );
    cfg.setGroup( "Autostart" );
    m_autoStart = cfg.readNumEntry( "autostart", 1 );
    m_guiMisc->CheckBoxAuto->setChecked( m_autoStart );
    m_autoStartTimer = cfg.readNumEntry( "autostartdelay", 0 );
    m_guiMisc->SpinBoxTime->setValue( m_autoStartTimer );

    cfg.setGroup( "General" );
    m_iconSize = cfg.readNumEntry( "IconSize", 18 );
    m_guiMisc->SpinBoxIconSize->setValue( m_iconSize );
    m_guiMisc->SpinRefresh->setValue( cfg.readNumEntry( "checkinterval", 15000 ) / 1000 );
    m_guiMisc->CheckBoxHide->setChecked( cfg.readNumEntry( "HideBanner", 0 ) );
}

/**
 * Write the config part
 */
void TodayConfig::writeConfig() {
    OConfig cfg( "today" );

    int position = m_appletListView->childCount();

    QListViewItemIterator list_it( m_appletListView );
    OPluginItem::List lst = m_pluginLoader->allAvailable( true );

    // this makes sure the names get saved in the order selected
    for ( ; list_it.current(); ++list_it ) {
        for ( OPluginItem::List::Iterator it = lst.begin(); it != lst.end(); ++it ) {
            if ( QString::compare( (*it).name() , list_it.current()->text(0) ) == 0 ) {
                qWarning( "Enabling %d  and make it %d", position-1,
                          ((QCheckListItem*)list_it.current())->isOn() );
                (*it).setPosition(position--);
                m_pluginManager->setEnabled( (*it),((QCheckListItem*)list_it.current())->isOn() );
            }
        }
    }

    /*
     * save and get the changes back
     */
    m_pluginManager->save();

    cfg.setGroup( "Autostart" );
    m_autoStart = m_guiMisc->CheckBoxAuto->isChecked();
    cfg.writeEntry( "autostart", m_autoStart );
    m_autoStartTimer = m_guiMisc->SpinBoxTime->value();
    cfg.writeEntry( "autostartdelay", m_autoStartTimer );
    m_iconSize = m_guiMisc->SpinBoxIconSize->value();

    cfg.setGroup( "General" );
    cfg.writeEntry( "IconSize", m_iconSize );
    cfg.writeEntry( "HideBanner",  m_guiMisc->CheckBoxHide->isChecked() );
    cfg.writeEntry( "checkinterval", m_guiMisc->SpinRefresh->value()*1000 );

    // set autostart settings
    setAutoStart();

    OPluginItem::List managedLst = m_pluginManager->managedPlugins();
    for ( OPluginItem::List::Iterator it = managedLst.begin(); it != managedLst.end(); ++it ) {
        TodayPluginInterface* iface = m_pluginLoader->load<TodayPluginInterface>( *it, IID_TodayPluginInterface );
        if ( m_configMap.contains( iface ) )
            m_configMap[iface]->writeConfig();

    }
}


void TodayConfig::moveSelectedUp() {
    QListViewItem *item = m_appletListView->selectedItem();
    if ( item && item->itemAbove() ) {
        item->itemAbove()->moveItem( item );
    }
}


void TodayConfig::moveSelectedDown() {
    QListViewItem *item = m_appletListView->selectedItem();
    if ( item && item->itemBelow() ) {
        item->moveItem( item->itemBelow() );
    }
}


/**
 * Set up the icons in the order/active tab
 */
void TodayConfig::pluginManagement( OPluginItem plugItem ) {

    QCheckListItem *item = new QCheckListItem( m_appletListView, plugItem.name(), QCheckListItem::CheckBox );

    TodayPluginInterface* iface = m_pluginLoader->load<TodayPluginInterface>( plugItem, IID_TodayPluginInterface );
    QPixmap icon = Opie::Core::OResource::loadPixmap( iface->guiPart()->pixmapNameWidget(), Opie::Core::OResource::SmallIcon );
    if ( !icon.isNull() ) {
        item->setPixmap( 0, icon );
    }
    item->setOn( plugItem.isEnabled() );
    previousItem = item;
}



TodayConfig::~TodayConfig() {}