/*
 * actionlist.cpp - the customizeable action list
 * Copyright (C) 2004  Michail Pishchagin
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

#include <QList>

#include "actionlist.h"

#include <QHash>

#include "iconaction.h"

//----------------------------------------------------------------------------
// ActionList
//----------------------------------------------------------------------------

class ActionList::Private : public QObject
{
    Q_OBJECT
public:
    Private() = default;
    Private( const Private & );

    QString name;
    int id = 0;
    QStringList sortedActions;
    QHash<QString, IconAction*> actions;
    bool autoDeleteActions = false;

public slots:
    void actionDestroyed(QObject *);
};

ActionList::ActionList( const QString &name, int id, bool autoDelete )
    : QObject()
{
    d = new Private();
    d->autoDeleteActions = autoDelete;

    d->name = name;
    d->id   = id;
}

ActionList::ActionList( const ActionList &from )
    : QObject()
{
    d = new Private( *from.d );
}

ActionList::~ActionList()
{
    if (d->autoDeleteActions)
        qDeleteAll(d->actions);
    delete d;
}

QString ActionList::name() const
{
    return d->name;
}

int ActionList::id() const
{
    return d->id;
}

IconAction *ActionList::action( const QString &name ) const
{
    return d->actions[name];
}

QStringList ActionList::actions() const
{
    return d->sortedActions;
}

void ActionList::addAction( const QString &name, IconAction *action )
{
    d->sortedActions << name;

    if ( action ) {
        action->setObjectName( name );
        d->actions.insert( name, action );
        d->connect( action, SIGNAL( destroyed(QObject *) ), d, SLOT( actionDestroyed(QObject *) ) );
    }
}

void ActionList::clear()
{
    if (d->autoDeleteActions)
        qDeleteAll(d->actions);
    d->actions.clear();
}

ActionList::Private::Private( const Private &from )
    : QObject()
{
    name = from.name;
    id   = from.id;

    actions = from.actions;
    autoDeleteActions = from.autoDeleteActions;

    sortedActions = from.sortedActions;
}

void ActionList::Private::actionDestroyed(QObject *obj)
{
    actions.remove( obj->objectName() );
}

//----------------------------------------------------------------------------
// MetaActionList
//----------------------------------------------------------------------------

class MetaActionList::Private
{
public:
    Private() { }

    QList<ActionList*> lists;
};

MetaActionList::MetaActionList()
    : QObject()
{
    d = new Private();
}

MetaActionList::~MetaActionList()
{
    while (!d->lists.isEmpty())
        delete d->lists.takeFirst();
    delete d;
}

ActionList *MetaActionList::actionList( const QString &name ) const
{
    foreach(ActionList* a, d->lists) {
        if (a->name() == name)
            return a;
    }

    return 0;
}

QList<ActionList*> MetaActionList::actionLists( const unsigned int id ) const
{
    QList<ActionList*> list;

    for ( int i = 0; i < 32; i++ ) {
        if ( !(id & ( 1u << i )) )
            continue;

        foreach(ActionList* a, d->lists) {
            if ( a->id() & ( 1u << i ) )
                list.append(a);
        }
    }

    return list;
}

ActionList MetaActionList::suitableActions( int id ) const
{
    QList<ActionList*> lists = actionLists( id );
    ActionList actions("", 0, false);

    foreach(ActionList* list, lists) {
        QStringList actionList = list->actions();
        QStringList::Iterator it2 = actionList.begin();
        for ( ; it2 != actionList.end(); ++it2 )
            actions.addAction( *it2, list->action( *it2 ) );
    }

    return actions;
}

QStringList MetaActionList::actionLists() const
{
    QStringList names;

    foreach(ActionList* l, d->lists)
        names << l->name();

    return names;
}

void MetaActionList::addList( ActionList *list )
{
    if ( list )
        d->lists.append( list );
}

void MetaActionList::clear()
{
    foreach(ActionList* l, d->lists) {
        l->clear();
    }
}

#include "actionlist.moc"
