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>
39 /*************************************************************************
40 * Playlist item implementation
41 *************************************************************************/
44 Playlist item is just a wrapper, an abstraction of the playlist_item
45 in order to be managed by PLModel
47 PLItem have a parent, and id and a input Id
51 void PLItem::init( int _i_id, int _i_input_id, PLItem *parent, PLModel *m, QSettings *settings )
53 parentItem = parent; /* Can be NULL, but only for the rootItem */
54 i_id = _i_id; /* Playlist item specific id */
55 i_input_id = _i_input_id; /* Identifier of the input */
56 model = m; /* PLModel (QAbsmodel) */
57 i_type = -1; /* Item type - Avoid segfault */
58 b_current = false; /* Is the item the current Item or not */
60 assert( model ); /* We need a model */
62 /* No parent, should be the 2 main ones */
63 if( parentItem == NULL )
65 if( model->i_depth == DEPTH_SEL ) /* Selector Panel */
68 item_col_strings.append( "" );
72 i_showflags = settings->value( "qt-pl-showflags", COLUMN_DEFAULT ).toInt();
74 i_showflags = COLUMN_DEFAULT; /* reasonable default to show something; */
75 else if ( i_showflags >= COLUMN_END )
76 i_showflags = COLUMN_END - 1; /* show everything */
78 updateColumnHeaders();
83 i_showflags = parentItem->i_showflags;
84 //Add empty string and update() handles data appending
85 item_col_strings.append( "" );
91 Call the above function init
92 So far the first constructor isn't used...
94 PLItem::PLItem( int _i_id, int _i_input_id, PLItem *parent, PLModel *m )
96 init( _i_id, _i_input_id, parent, m, NULL );
99 PLItem::PLItem( playlist_item_t * p_item, PLItem *parent, PLModel *m )
101 init( p_item->i_id, p_item->p_input->i_id, parent, m, NULL );
104 PLItem::PLItem( playlist_item_t * p_item, QSettings *settings, PLModel *m )
106 init( p_item->i_id, p_item->p_input->i_id, NULL, m, settings );
111 qDeleteAll( children );
116 void PLItem::updateColumnHeaders()
118 item_col_strings.clear();
120 assert( i_showflags < COLUMN_END );
122 for( uint32_t i_index=1; i_index < COLUMN_END; i_index <<= 1 )
124 if( i_showflags & i_index )
125 item_col_strings.append( qfu( psz_column_title( i_index ) ) );
129 /* So far signal is always true.
130 Using signal false would not call PLModel... Why ?
132 void PLItem::insertChild( PLItem *item, int i_pos, bool signal )
135 model->beginInsertRows( model->index( this , 0 ), i_pos, i_pos );
136 children.insert( i_pos, item );
138 model->endInsertRows();
141 void PLItem::remove( PLItem *removed )
143 if( model->i_depth == DEPTH_SEL || parentItem )
145 int i_index = parentItem->children.indexOf( removed );
146 model->beginRemoveRows( model->index( parentItem, 0 ),
148 parentItem->children.removeAt( i_index );
149 model->endRemoveRows();
153 /* This function is used to get one's parent's row number in the model */
154 int PLItem::row() const
157 return parentItem->children.indexOf( const_cast<PLItem*>(this) );
158 // We don't ever inherit PLItem, yet, but it might come :D
162 /* update the PL Item, get the good names and so on */
163 /* This function may not be the best way to do it
164 It destroys everything and gets everything again instead of just
165 building the necessary columns.
166 This does extra work if you re-display the same column. Slower...
167 On the other hand, this way saves memory.
168 There must be a more clever way.
170 void PLItem::update( playlist_item_t *p_item, bool iscurrent )
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 i_showflags = parentItem ? parentItem->i_showflags : i_showflags;
189 if( i_showflags & COLUMN_NUMBER )
191 QModelIndex idx = model->index( this, 0 );
192 item_col_strings.append( QString::number( idx.row() + 1 ) );
194 /* Other meta informations */
195 for( uint32_t i_index=2; i_index < COLUMN_END; i_index <<= 1 )
197 if( i_showflags & i_index )
199 char *psz = psz_column_meta( p_item->p_input, i_index );
200 item_col_strings.append( qfu( psz ) );