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/***************************************************************************
TypesMap.h - Map with index, data, command, description
-------------------
begin : Feb 05 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas Eschenbacher <thomas.eschenbacher@gmx.de>
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef TYPES_MAP_H
#define TYPES_MAP_H
#include "config.h"
#include <QList>
#include <QMap>
#include <QObject>
#include <QString>
#include <QStringList>
#include <KLazyLocalizedString>
#include <KLocalizedString>
#include "libkwave/String.h"
#include "libkwave/Triple.h"
namespace Kwave
{
template <class IDX, class DATA> class TypesMap
{
private:
typedef QMap <IDX, Kwave::Triple <DATA, QString,
KLazyLocalizedString> > TripleMap;
public:
/**
* Default constructor. Must be overwritten to initialize
* the list with useful values.
*/
TypesMap()
:m_list()
{
}
/** Destructor */
virtual ~TypesMap()
{
m_list.clear();
}
/**
* This function is abstract and must be overwritten to
* initially fill the map if it was empty.
*/
virtual void fill() = 0;
/**
* Appends a new type into the map.
* @param index unique index within the map
* @param data the data associated with the entry
* @param name string representation of the type, for
* internal usage in Kwave commands.
* @param description text for the user interface
*/
virtual void append(IDX index, DATA data,
const QString &name, const KLazyLocalizedString &description)
{
Kwave::Triple<DATA, QString, KLazyLocalizedString>
triple(data, name, description);
m_list.insert(index, triple);
}
/** Returns the number of types. */
inline unsigned int count() const {
return static_cast<unsigned int>(m_list.count());
}
/**
* Try to find the type from the data. If the data item is not found,
* the return value is the default value of the type (casted from 0).
*/
IDX findFromData(const DATA &data) const
{
foreach (const IDX &it, m_list.keys()) {
if (m_list[it].first() == data) return it;
}
return IDX(0);
}
/**
* Try to find the type from a name. If the name is not found,
* the return value is the default value of the type (casted from 0).
*/
IDX findFromName(const QString &name) const
{
foreach (const IDX &it, m_list.keys()) {
if (m_list[it].second() == name) return it;
}
return IDX(0);
}
/** Returns the data item of a type. */
DATA data(IDX type) const
{
Q_ASSERT(m_list.contains(type));
return m_list[type].first();
}
/** Returns the name of a type. */
QString name(IDX type) const
{
Q_ASSERT(m_list.contains(type));
return m_list[type].second();
}
/**
* Returns the description of a type.
* @param type index of the type
* @param localized if true, the returned description is localized
*/
QString description(IDX type, bool localized) const
{
if (!m_list.contains(type)) return QString();
KLazyLocalizedString s(m_list[type].third());
return (localized) ? s.toString() : _(s.untranslatedText());
}
/**
* Returns a string list with all names,
*/
QStringList allNames() const
{
QStringList names;
foreach (const IDX &it, m_list.keys()) {
names.append(m_list[it].second());
}
return names;
}
/**
* Returns a list with all keys
*/
QList<IDX> keys() const
{
return m_list.keys();
}
private:
/** map with index and triples of data, name and description */
TripleMap m_list;
};
}
#endif /* TYPES_MAP_H */
//***************************************************************************
//***************************************************************************
|
