/****************************************************************************

 KHotKeys
 
 Copyright (C) 1999-2001 Lubos Lunak <l.lunak@kde.org>

 Distributed under the terms of the GNU General Public License version 2.
 
****************************************************************************/

#include "action_data/action_data.h"

#include "action_data/action_data_visitor.h"
#include "actions/actions.h"
#include "triggers/triggers.h"

#include <kconfiggroup.h>
#include <kdebug.h>


namespace KHotKeys
{


ActionData::ActionData(
        ActionDataGroup* parent_P,
        const QString& name_P,
        const QString& comment_P,
        Trigger_list* triggers_P,
        Condition_list* conditions_P,
        ActionList* actions_P)
    :   ActionDataBase( parent_P, name_P, comment_P, conditions_P),
        _triggers( triggers_P ),
        _actions( actions_P )
    {
    if (!_triggers)
        _triggers = new Trigger_list;

    if (!_actions)
        _actions = new ActionList;
    }


void ActionData::accept(ActionDataConstVisitor *visitor) const
    {
    visitor->visitActionData(this);
    }


ActionData::~ActionData()
    {
    delete _triggers; _triggers = NULL;
    delete _actions; _actions = NULL;
    }


void ActionData::accept(ActionDataVisitor *visitor)
    {
    visitor->visitActionData(this);
    }

void ActionData::doDisable()
    {
    triggers()->disable();
    update_triggers();
    }

void ActionData::doEnable()
    {
    triggers()->enable();
    update_triggers();
    }


Trigger_list* ActionData::triggers()
    {
    return _triggers;
    }


const Trigger_list* ActionData::triggers() const
    {
    return _triggers;
    }


void ActionData::aboutToBeErased()
    {
    _triggers->aboutToBeErased();
    _actions->aboutToBeErased();
    }

const ActionList* ActionData::actions() const
    {
    return _actions;
    }


ActionList* ActionData::actions()
    {
    return _actions;
    }


void ActionData::execute()
    {
    for( ActionList::Iterator it = _actions->begin();
         it != _actions->end();
         ++it )
        (*it)->execute();
    }


void ActionData::add_trigger( Trigger* trigger_P )
    {
    _triggers->append( trigger_P );
    }


void ActionData::add_triggers( Trigger_list* triggers_P )
    {
    while (!triggers_P->isEmpty())
        {
        _triggers->append( triggers_P->takeFirst() );
        }
    Q_ASSERT( triggers_P->isEmpty());
    delete triggers_P;
    }


void ActionData::set_triggers( Trigger_list* triggers_P )
    {
    if (_triggers) delete _triggers;

    _triggers = triggers_P;
    }


void ActionData::add_action(Action* action, Action* after)
    {
    if (after)
        {
        int index = _actions->indexOf(after);
        _actions->insert(
                index != -1
                    ? index +1
                    : _actions->count(),
                action);
        }
    else
        {
        _actions->append(action);
        }
    }


void ActionData::add_actions( ActionList* actions_P, Action* after_P )
    {
    int index = 0;
    for( ActionList::Iterator it = _actions->begin();
         it != _actions->end();
         ++it )
        {
        ++index;
        if( *it == after_P )
            break;
        }

    while (!actions_P->empty())
        {
        // Insert the actions to _actions after removing them from actions_P
        // to prevent their deletion upon delete actions_P below.
        _actions->insert( ++index, actions_P->takeFirst() );
        }
    Q_ASSERT( actions_P->isEmpty());
    delete actions_P;
    }


void ActionData::set_actions( ActionList* actions_P )
    {
    if (_actions) delete _actions;
    _actions = actions_P;
    }


void ActionData::update_triggers()
    {
    if (!_triggers) return;

    bool activate = false;
    // Activate the triggers if the actions is enabled and the conditions
    // match.
    if (isEnabled() && conditions_match())
        {
        activate = true;
        }

    for( Trigger_list::Iterator it = _triggers->begin();
         it != _triggers->end();
         ++it )
        {
        (*it)->activate(activate);
        }
    }


} // namespace KHotKeys