playlistinfo.m 9.26 KB
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/*****************************************************************************
 * playlistinfo.m: MacOS X interface module
 *****************************************************************************
 * Copyright (C) 2002-2004 VideoLAN
 * $Id: playlistinfo.m 7015 2004-03-08 15:22:58Z bigben $
 *
 * Authors: Benjmaib Pracht <bigben at videolan dot 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.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/

#include "intf.h"
#include "playlistinfo.h"
#include "playlist.h"

/*****************************************************************************
 * VLCPlaylistInfo Implementation
 *****************************************************************************/

@implementation VLCPlaylistInfo

- (void)awakeFromNib
{

    [o_info_window setExcludedFromWindowsMenu: TRUE];

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    [o_info_window setTitle: _NS("Properties")];
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    [o_uri_lbl setStringValue: _NS("URI")];
    [o_title_lbl setStringValue: _NS("Title")];
    [o_author_lbl setStringValue: _NS("Author")];
    [o_btn_info_ok setTitle: _NS("OK")];
    [o_btn_info_cancel setTitle: _NS("Cancel")];
}

- (IBAction)togglePlaylistInfoPanel:(id)sender
{
    intf_thread_t * p_intf = [NSApp getIntf];
    playlist_t * p_playlist;

    if( [o_info_window isVisible] )
    {
        [o_info_window orderOut: sender];
    }
    else
    {
        p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                          FIND_ANYWHERE );

        if (p_playlist)
        {
            /*fill uri / title / author info */
            int i_item = [o_vlc_playlist selectedPlaylistItem];
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            [o_uri_txt setStringValue:
                ([NSString stringWithUTF8String:p_playlist->
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                    pp_items[i_item]->input.psz_uri] == nil ) ?
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                [NSString stringWithCString:p_playlist->
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                    pp_items[i_item]->input.psz_uri] :
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                [NSString stringWithUTF8String:p_playlist->
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                    pp_items[i_item]->input.psz_uri]];
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            [o_title_txt setStringValue:
                ([NSString stringWithUTF8String:p_playlist->
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                    pp_items[i_item]->input.psz_name] == nil ) ?
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                [NSString stringWithCString:p_playlist->
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                    pp_items[i_item]->input.psz_name] :
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                [NSString stringWithUTF8String:p_playlist->
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                    pp_items[i_item]->input.psz_name]];
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            [o_author_txt setStringValue:[NSString stringWithUTF8String: playlist_GetInfo(p_playlist, i_item ,_("General"),_("Author") )]];

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            [[VLCInfoTreeItem rootItem] refresh];
            [o_outline_view reloadData];
            vlc_object_release( p_playlist );
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        }
        [o_info_window makeKeyAndOrderFront: sender];
    }
}

- (IBAction)infoCancel:(id)sender
{
    [self togglePlaylistInfoPanel:self];
}


- (IBAction)infoOk:(id)sender
{
    int i_item = [o_vlc_playlist selectedPlaylistItem];
    intf_thread_t * p_intf = [NSApp getIntf];
    playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                          FIND_ANYWHERE );
    vlc_value_t val;

    if (p_playlist)                       
    {
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        vlc_mutex_lock(&p_playlist->pp_items[i_item]->input.lock);
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        p_playlist->pp_items[i_item]->input.psz_uri =
            strdup([[o_uri_txt stringValue] cString]);
        p_playlist->pp_items[i_item]->input.psz_name =
            strdup([[o_title_txt stringValue] cString]);
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        playlist_ItemAddInfo(p_playlist->pp_items[i_item],_("General"),_("Author"), [[o_author_txt stringValue] cString]);
 
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        vlc_mutex_unlock(&p_playlist->pp_items[i_item]->input.lock);
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        val.b_bool = VLC_TRUE;
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        var_Set( p_playlist,"intf-change",val );
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        vlc_object_release ( p_playlist );
    } 
    [self togglePlaylistInfoPanel:self];
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}


@end

@implementation VLCPlaylistInfo (NSTableDataSource)

- (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item  
{
    return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
}

- (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
    return ([item numberOfChildren] > 0);
}

- (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item  
{
    return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
}

- (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
{
    if ([[tableColumn identifier] isEqualToString:@"0"])
    {
        return (item == nil) ? @"" : (id)[item getName];
    }
    else
    {
        return (item == nil) ? @"" : (id)[item getValue];
    }
}

@end

@implementation VLCInfoTreeItem

static VLCInfoTreeItem *o_root_item = nil;

#define IsALeafNode ((id)-1)

- (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
{
    self = [super init];
 
    if( self != nil )
    {

        i_item = [[[NSApp delegate] getPlaylist] selectedPlaylistItem];
        o_name = [o_item_name copy];
        o_value = [o_item_value copy];
        i_object_id = i_id;
        o_parent = o_parent_item;
    }
    return( self );
}

+ (VLCInfoTreeItem *)rootItem {
    if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
    return o_root_item;
}

- (void)dealloc
{
    if (o_children != IsALeafNode) [o_children release];
    [o_name release];
    [super dealloc];
}

/* Creates and returns the array of children
 * Loads children incrementally */
- (NSArray *)children
{
    if (o_children == NULL)
    {
        intf_thread_t * p_intf = [NSApp getIntf];
        playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                          FIND_ANYWHERE );
        int i;

        if (p_playlist)
        {
            if (i_item > -1)
            {
                if (self == o_root_item)
                {
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                    o_children = [[NSMutableArray alloc] initWithCapacity:p_playlist->pp_items[i_item]->input.i_categories];
                    for (i = 0 ; i<p_playlist->pp_items[i_item]->input.i_categories ; i++)
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                    {
                        [o_children addObject:[[VLCInfoTreeItem alloc] 
                            initWithName: [NSString stringWithUTF8String:
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                                p_playlist->pp_items[i_item]->input.
                                pp_categories[i]->psz_name]
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                            value: @""
                            ID: i 
                            parent: self]];
                    }
                }
                else if (o_parent == o_root_item)
                {
                    o_children = [[NSMutableArray alloc] initWithCapacity:
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                        p_playlist->pp_items[i_item]->input.
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                        pp_categories[i_object_id]->i_infos];
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                    for (i = 0 ; i<p_playlist->pp_items[i_item]->input.
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                           pp_categories[i_object_id]->i_infos ; i++)
                    {
                        [o_children addObject:[[VLCInfoTreeItem alloc]
                        initWithName: [NSString stringWithUTF8String:
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                                p_playlist->pp_items[i_item]->input.
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                                pp_categories[i_object_id]->
                                pp_infos[i]->psz_name]
                            value: [NSString stringWithUTF8String:
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                                p_playlist->pp_items[i_item]->input.
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                                pp_categories[i_object_id]->
                                pp_infos[i]->psz_value]
                            ID: i
                            parent: self]];
                    }
                }
                else
                {
                    o_children = IsALeafNode;
                }
            }
            vlc_object_release(p_playlist);
        }
    }
    return o_children;
}

- (NSString *)getName
{
    return o_name;
}

- (NSString *)getValue
{
    return o_value;
}

- (VLCInfoTreeItem *)childAtIndex:(int)i_index {
    return [[self children] objectAtIndex:i_index];
}

- (int)numberOfChildren {
    id i_tmp = [self children];
    return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
}

- (int)selectedPlaylistItem
{
    return i_item; 
}

- (void)refresh
{
    if (o_children != NULL)
    {
        [o_children release];
        o_children = NULL;
    }
    i_item = [[[NSApp delegate] getPlaylist] selectedPlaylistItem];
}
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@end