1 /*****************************************************************************
2 * playlist_item.cpp : Manage playlist item
3 ****************************************************************************
4 * Copyright © 2006-2008 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Baptiste Kempf <jb@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
32 #include "components/playlist/playlist_model.hpp"
33 #include <vlc_intf_strings.h>
35 #include "pixmaps/type_unknown.xpm"
41 /*************************************************************************
42 * Playlist item implementation
43 *************************************************************************/
46 Playlist item is just a wrapper, an abstraction of the playlist_item
47 in order to be managed by PLModel
49 PLItem have a parent, and id and a input Id
53 void PLItem::init( int _i_id, int _i_input_id, PLItem *parent, PLModel *m )
55 parentItem = parent; /* Can be NULL, but only for the rootItem */
56 i_id = _i_id; /* Playlist item specific id */
57 i_input_id = _i_input_id; /* Identifier of the input */
58 model = m; /* PLModel (QAbsmodel) */
59 i_type = -1; /* Item type - Avoid segfault */
60 b_current = false; /* Is the item the current Item or not */
62 assert( model ); /* We need a model */
64 /* No parent, should be the 2 main ones */
65 if( parentItem == NULL )
67 if( model->i_depth == DEPTH_SEL ) /* Selector Panel */
69 item_col_strings.append( "" );
73 QSettings settings( "vlc", "vlc-qt-interface" );
74 i_showflags = settings.value( "qt-pl-showflags", 39 ).toInt();
76 i_showflags = 39; /* reasonable default to show something; */
77 else if ( i_showflags >= COLUMN_END )
78 i_showflags = COLUMN_END - 1; /* show everything */
80 updateColumnHeaders();
85 i_showflags = parentItem->i_showflags;
86 //Add empty string and update() handles data appending
87 item_col_strings.append( "" );
93 Call the above function init
94 So far the first constructor isn't used...
96 PLItem::PLItem( int _i_id, int _i_input_id, PLItem *parent, PLModel *m )
98 init( _i_id, _i_input_id, parent, m );
101 PLItem::PLItem( playlist_item_t * p_item, PLItem *parent, PLModel *m )
103 init( p_item->i_id, p_item->p_input->i_id, parent, m );
108 qDeleteAll( children );
113 void PLItem::updateColumnHeaders()
115 item_col_strings.clear();
117 assert( i_showflags < COLUMN_END );
119 for( uint32_t i_index=1; i_index < COLUMN_END; i_index <<= 1 )
121 if( i_showflags & i_index )
122 item_col_strings.append( qfu( psz_column_title( i_index ) ) );
126 /* So far signal is always true.
127 Using signal false would not call PLModel... Why ?
129 void PLItem::insertChild( PLItem *item, int i_pos, bool signal )
132 model->beginInsertRows( model->index( this , 0 ), i_pos, i_pos );
133 children.insert( i_pos, item );
135 model->endInsertRows();
138 void PLItem::remove( PLItem *removed )
140 if( model->i_depth == DEPTH_SEL || parentItem )
142 int i_index = parentItem->children.indexOf( removed );
143 model->beginRemoveRows( model->index( parentItem, 0 ),
145 parentItem->children.removeAt( i_index );
146 model->endRemoveRows();
150 /* This function is used to get one's parent's row number in the model */
151 int PLItem::row() const
154 return parentItem->children.indexOf( const_cast<PLItem*>(this) );
155 // We don't ever inherit PLItem, yet, but it might come :D
159 /* update the PL Item, get the good names and so on */
160 /* This function may not be the best way to do it
161 It destroys everything and gets everything again instead of just
162 building the necessary columns.
163 This does extra work if you re-display the same column. Slower...
164 On the other hand, this way saves memory.
165 There must be a more clever way.
167 void PLItem::update( playlist_item_t *p_item, bool iscurrent )
169 char psz_duration[MSTRTIME_MAX_SIZE];
172 assert( p_item->p_input->i_id == i_input_id );
174 /* Useful for the model */
175 i_type = p_item->p_input->i_type;
176 b_current = iscurrent;
178 item_col_strings.clear();
180 if( model->i_depth == 1 ) /* Selector Panel */
182 item_col_strings.append( qfu( p_item->p_input->psz_name ) );
186 assert( parentItem->i_showflags < COLUMN_END );
188 for( uint32_t i_index=1; i_index < COLUMN_END; i_index <<= 1 )
190 if( parentItem->i_showflags & i_index )
192 char *psz = psz_column_meta( p_item->p_input, i_index );
193 item_col_strings.append( qfu( psz ) );