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/***************************************************************************
begin : Sun Mar 6 2003
copyright : (C) 2003 - 2004 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* *
* 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 PLAYLISTSEARCH_H
#define PLAYLISTSEARCH_H
#include <qregexp.h>
class Playlist;
typedef QValueList<Playlist *> PlaylistList;
class PlaylistItem;
typedef QValueList<PlaylistItem *> PlaylistItemList;
typedef QValueList<int> ColumnList;
class PlaylistSearch
{
public:
class Component;
typedef QValueList<Component> ComponentList;
enum SearchMode { MatchAny = 0, MatchAll = 1 };
PlaylistSearch();
PlaylistSearch(const PlaylistList &playlists,
const ComponentList &components,
SearchMode mode = MatchAny,
bool searchNow = true);
void search();
bool checkItem(PlaylistItem *item);
PlaylistItemList searchedItems() const { return m_items; }
PlaylistItemList matchedItems() const { return m_matchedItems; }
PlaylistItemList unmatchedItems() const { return m_unmatchedItems; }
void addPlaylist(Playlist *p) { m_playlists.append(p); }
void clearPlaylists() { m_playlists.clear(); }
PlaylistList playlists() const { return m_playlists; }
void addComponent(const Component &c);
void clearComponents();
ComponentList components() const;
void setSearchMode(SearchMode m) { m_mode = m; }
SearchMode searchMode() const { return m_mode; }
bool isNull() const;
bool isEmpty() const;
/**
* This is used to clear an item from the matched and unmatched lists. This
* is useful because it can prevent keeping a dangling pointer around without
* requiring invalidating the search.
*/
void clearItem(PlaylistItem *item);
private:
PlaylistList m_playlists;
ComponentList m_components;
SearchMode m_mode;
PlaylistItemList m_items;
PlaylistItemList m_matchedItems;
PlaylistItemList m_unmatchedItems;
};
/**
* A search is built from several search components. These corespond to to lines
* in the search bar.
*/
class PlaylistSearch::Component
{
public:
enum MatchMode { Contains = 0, Exact = 1, ContainsWord = 2 };
/**
* Create an empty search component. This is only provided for use by
* QValueList and should not be used in any other context.
*/
Component();
/**
* Create a query component. This defaults to searching all visible coulumns.
*/
Component(const QString &query,
bool caseSensitive = false,
const ColumnList &columns = ColumnList(),
MatchMode mode = Contains);
/**
* Create a query component. This defaults to searching all visible coulumns.
*/
Component(const QRegExp &query, const ColumnList &columns = ColumnList());
QString query() const { return m_query; }
QRegExp pattern() const { return m_queryRe; }
ColumnList columns() const { return m_columns; }
bool matches(PlaylistItem *item) const;
bool isPatternSearch() const { return m_re; }
bool isCaseSensitive() const { return m_caseSensitive; }
MatchMode matchMode() const { return m_mode; }
bool operator==(const Component &v) const;
private:
QString m_query;
QRegExp m_queryRe;
mutable ColumnList m_columns;
MatchMode m_mode;
bool m_searchAllVisible;
bool m_caseSensitive;
bool m_re;
};
/**
* Streams \a search to the stream \a s.
* \note This does not save the playlist list, but instead will assume that the
* search is just relevant to the collection list. This is all that is presently
* needed by JuK.
*/
QDataStream &operator<<(QDataStream &s, const PlaylistSearch &search);
/**
* Streams \a search from the stream \a s.
* \note This does not save the playlist list, but instead will assume that the
* search is just relevant to the collection list. This is all that is presently
* needed by JuK.
*/
QDataStream &operator>>(QDataStream &s, PlaylistSearch &search);
QDataStream &operator<<(QDataStream &s, const PlaylistSearch::Component &c);
QDataStream &operator>>(QDataStream &s, PlaylistSearch::Component &c);
#endif
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