]> git.sesse.net Git - vlc/blob - share/http/js/vlm.js
* also do vlm options fix on sout.
[vlc] / share / http / js / vlm.js
1 /*****************************************************************************
2  * vlm.js: VLC media player web interface
3  *****************************************************************************
4  * Copyright (C) 2005-2006 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
22  *****************************************************************************/
23
24 /* replace quotes and spaces by underscores */
25 function addunderscores( str ){ return str.replace(/\'|\"| /g, '_'); }
26
27 /**********************************************************************
28  * Input dialog functions
29  *********************************************************************/
30
31 function vlm_input_edit( dest )
32 {
33     document.getElementById( 'input_dest' ).value = dest;
34     show( 'input' );
35 }
36
37 function vlm_input_change()
38 {
39     document.getElementById( value( 'input_dest' ) ).value = value( 'input_mrl' ).replace( /\ :/g, " option " );
40     hide( 'input' );
41     document.getElementById( value( 'input_dest' ) ).focus();
42 }
43
44 function vlm_output_edit( dest )
45 {
46     document.getElementById( 'sout_dest' ).value = dest;
47     show( 'sout' );
48 }
49
50 function vlm_output_change()
51 {
52     document.getElementById( value( 'sout_dest' ) ).value = value( 'sout_mrl' ).substr(6).replace( /\ :/g, " option " ); /* substr <-> remove :sout= */
53     hide( 'sout' );
54     document.getElementById( value( 'sout_dest' ) ).focus();
55 }
56
57 function hide_vlm_add()
58 {
59     document.getElementById( 'vlm_add_broadcast' ).style.display = 'none';
60     document.getElementById( 'vlm_add_vod' ).style.display = 'none';
61     document.getElementById( 'vlm_add_schedule' ).style.display = 'none';
62     document.getElementById( 'vlm_add_other' ).style.display = 'none';
63 }
64
65 function toggle_schedule_date()
66 {
67     if( checked( 'vlm_schedule_now' ) )
68     {
69         disable( 'vlm_schedule_year' );
70         disable( 'vlm_schedule_month' );
71         disable( 'vlm_schedule_day' );
72         disable( 'vlm_schedule_hour' );
73         disable( 'vlm_schedule_minute' );
74         disable( 'vlm_schedule_second' );
75     }
76     else
77     {
78         enable( 'vlm_schedule_year' );
79         enable( 'vlm_schedule_month' );
80         enable( 'vlm_schedule_day' );
81         enable( 'vlm_schedule_hour' );
82         enable( 'vlm_schedule_minute' );
83         enable( 'vlm_schedule_second' );
84     }
85 }
86
87 function toggle_schedule_repeat()
88 {
89     if( checked( 'vlm_schedule_repeat' ) )
90     {
91         enable( 'vlm_schedule_period_year' );
92         enable( 'vlm_schedule_period_month' );
93         enable( 'vlm_schedule_period_day' );
94         enable( 'vlm_schedule_period_hour' );
95         enable( 'vlm_schedule_period_minute' );
96         enable( 'vlm_schedule_period_second' );
97         enable( 'vlm_schedule_repeat_times' );
98     }
99     else
100     {
101         disable( 'vlm_schedule_period_year' );
102         disable( 'vlm_schedule_period_month' );
103         disable( 'vlm_schedule_period_day' );
104         disable( 'vlm_schedule_period_hour' );
105         disable( 'vlm_schedule_period_minute' );
106         disable( 'vlm_schedule_period_second' );
107         disable( 'vlm_schedule_repeat_times' );
108     }
109 }
110
111 function vlm_schedule_type_change( name )
112 {
113     var act = document.getElementById( 'vlm_elt_' + name + '_action' ).value;
114     var itemname = document.getElementById( 'vlm_elt_' + name + '_name' );
115     var opt = document.getElementById( 'vlm_elt_' + name + '_opt' );
116     if( act == "play" || act == "pause" || act == "stop" )
117     {
118         itemname.style.display = "";
119         opt.style.display = "none";
120     }
121     else if( act == "seek" )
122     {
123         itemname.style.display = "";
124         opt.style.display = "";
125     }
126     else
127     {
128         itemname.style.display = "none";
129         opt.style.display = "";
130     }
131 }
132
133 function update_vlm_add_broadcast()
134 {
135     var cmd = document.getElementById( 'vlm_command' );
136
137     if( value( 'vlm_broadcast_name' ) )
138     {
139         cmd.value = "new " + addunderscores( value( 'vlm_broadcast_name' ) )
140                     + " broadcast";
141
142         if( checked( 'vlm_broadcast_enabled' ) )
143         {
144             cmd.value += " enabled";
145         }
146         
147         if( checked( 'vlm_broadcast_loop' ) )
148         {
149             cmd.value += " loop";
150         }
151
152         if( value( 'vlm_broadcast_input' ) )
153         {
154             cmd.value += " input " + value( 'vlm_broadcast_input' );
155         }
156
157         if( value( 'vlm_broadcast_output' ) )
158         {
159             cmd.value += " output " + value( 'vlm_broadcast_output' );
160         }
161     }
162     else
163     {
164         cmd.value = "";
165     }
166 }
167
168 function update_vlm_add_vod()
169 {
170     var cmd = document.getElementById( 'vlm_command' );
171
172     if( value( 'vlm_vod_name' ) )
173     {
174         cmd.value = "new " + addunderscores( value( 'vlm_vod_name' ) )
175                     + " vod";
176
177         if( checked( 'vlm_vod_enabled' ) )
178         {
179             cmd.value += " enabled";
180         }
181         
182         if( value( 'vlm_vod_input' ) )
183         {
184             cmd.value += " input " + value( 'vlm_vod_input' );
185         }
186
187         if( value( 'vlm_vod_output' ) )
188         {
189             cmd.value += " output " + value( 'vlm_vod_output' );
190         }
191     }
192     else
193     {
194         cmd.value = "";
195     }
196 }
197
198 function update_vlm_add_schedule()
199 {
200     var cmd = document.getElementById( 'vlm_command' );
201
202     check_and_replace_int( 'vlm_schedule_year', '0000' );
203     check_and_replace_int( 'vlm_schedule_month', '00' );
204     check_and_replace_int( 'vlm_schedule_day', '00' );
205     check_and_replace_int( 'vlm_schedule_hour', '00' );
206     check_and_replace_int( 'vlm_schedule_minute', '00' );
207     check_and_replace_int( 'vlm_schedule_second', '00' );
208     check_and_replace_int( 'vlm_schedule_period_year', '0000' );
209     check_and_replace_int( 'vlm_schedule_period_month', '00' );
210     check_and_replace_int( 'vlm_schedule_period_day', '00' );
211     check_and_replace_int( 'vlm_schedule_period_hour', '00' );
212     check_and_replace_int( 'vlm_schedule_period_minute', '00' );
213     check_and_replace_int( 'vlm_schedule_period_second', '00' );
214
215     if( value( 'vlm_schedule_name' ) )
216     {
217         cmd.value = "new " + addunderscores( value( 'vlm_schedule_name' ) ) + " schedule";
218
219         if( checked( 'vlm_schedule_enabled' ) )
220         {
221             cmd.value += " enabled";
222         }
223
224         if( checked( 'vlm_schedule_now' ) )
225         {
226             cmd.value += " date now";
227         }
228         else
229         {
230             cmd.value += " date " + value( 'vlm_schedule_year' ) + "/" + value( 'vlm_schedule_month' ) + "/" + value( 'vlm_schedule_day' ) + '-' + value( 'vlm_schedule_hour' ) + ':' + value( 'vlm_schedule_minute' ) + ':' + value( 'vlm_schedule_second' );
231         }
232
233         if( checked( 'vlm_schedule_repeat' ) )
234         {
235             cmd.value += " period " + value( 'vlm_schedule_period_year' ) + "/" + value( 'vlm_schedule_period_month' ) + "/" + value( 'vlm_schedule_period_day' ) + '-' + value( 'vlm_schedule_period_hour' ) + ':' + value( 'vlm_schedule_period_minute' ) + ':' + value( 'vlm_schedule_period_second' );
236
237             if( value( 'vlm_schedule_repeat_times' ) != 0 )
238             {
239                 cmd.value += " repeat " + (value( 'vlm_schedule_repeat_times' ) - 1 );
240             }
241         }
242             
243     }
244     else
245     {
246         cmd.value = "";
247     }
248 }
249
250 function update_vlm_add_other()
251 {
252     var cmd = document.getElementById( 'vlm_command' );
253     cmd.value = "";
254 }
255
256 function clear_vlm_add()
257 {
258     document.getElementById( 'vlm_command' ).value = "";
259     document.getElementById( 'vlm_broadcast_name' ).value = "";
260     document.getElementById( 'vlm_vod_name' ).value = "";
261 }
262
263 function create_button( caption, action )
264 {
265     var link = document.createElement( "input" );
266     link.setAttribute( 'type', 'button' );
267     link.setAttribute( 'onclick', action );
268     link.setAttribute( 'value', caption );
269     return link;
270 }
271 function create_option( caption, value )
272 {
273     var opt = document.createElement( 'option' );
274     opt.setAttribute( 'value', value );
275     opt.appendChild( document.createTextNode( caption ) );
276     return opt;
277 }
278
279 function parse_vlm_cmd()
280 {
281     if( req.readyState == 4 )
282     {
283         if( req.status == 200 )
284         {
285             var vlm_answer = req.responseXML.documentElement;
286             var error_tag = vlm_answer.getElementsByTagName( 'error' )[0];
287             var vlme = document.getElementById( 'vlm_error' );
288             clear_children( vlme );
289             if( error_tag.hasChildNodes() )
290             {
291                 vlme.appendChild( document.createTextNode( 'Error: ' + error_tag.firstChild.data ) );
292                 vlme.style.color = "#f00";
293             }
294             else
295             {
296                 vlme.appendChild( document.createTextNode( 'Command succesful (' + value( 'vlm_command' ) + ') ' ) );
297                 vlme.style.color = "#0f0";
298                 clear_vlm_add();
299             }
300             vlme.appendChild( create_button( 'clear', 'clear_children( document.getElementById( "vlm_error" ) );' ) );
301
302             vlm_get_elements();
303         }
304     }
305 }
306
307 function parse_vlm_elements()
308 {
309     if( req.readyState == 4 )
310     {
311         if( req.status == 200 )
312         {
313             var vlmb = document.getElementById( 'vlm_broadcast_list' );
314             var vlmv = document.getElementById( 'vlm_vod_list' );
315             var vlms = document.getElementById( 'vlm_schedule_list' );
316
317             clear_children( vlmb );
318             clear_children( vlmv );
319             clear_children( vlms );
320
321             answer = req.responseXML.documentElement;
322
323             var elt = answer.firstChild;
324
325             while( elt )
326             {
327                 if( elt.nodeName == "broadcast" || elt.nodeName == "vod" )
328                 {
329                     var nb = document.createElement( 'div' );
330                     nb.setAttribute( 'class', 'list_element' );
331                     if( elt.nodeName == "broadcast" )
332                     {
333                         vlmb.appendChild( nb );
334                     }
335                     else
336                     {
337                         vlmv.appendChild( nb );
338                     }
339                     var nbname = document.createElement( 'b' );
340                     nbname.appendChild( document.createTextNode( elt.getAttribute( 'name' ) ) );
341                     nb.appendChild( nbname );
342                     
343                     var link = document.createElement( 'input' );
344                     link.setAttribute( 'type', 'button' );
345                     if( elt.getAttribute( 'enabled' ) == 'yes' )
346                     {
347                         nb.appendChild( document.createTextNode( " enabled " ) );
348                         link.setAttribute( 'onclick', 'vlm_disable("'+elt.getAttribute( 'name' ) + '");' );
349                         link.setAttribute( 'value', "Disable" );
350                     }
351                     else
352                     {
353                         nb.appendChild( document.createTextNode( " disabled " ) );
354                         link.setAttribute( 'onclick', 'vlm_enable("'+elt.getAttribute( 'name' ) + '");' );
355                         link.setAttribute( 'value', "Enable" );
356                     }
357                     nb.appendChild( link );
358                     
359                     if( elt.nodeName == "broadcast" )
360                     {
361                         link = document.createElement( 'input' );
362                         link.setAttribute( 'type', 'button' );
363                         if( elt.getAttribute( 'loop' ) == 'yes' )
364                         {
365                             nb.appendChild( document.createTextNode( " loop " ) );
366
367                             link.setAttribute( 'onclick', 'vlm_unloop("'+elt.getAttribute( 'name' ) + '");' );
368                             link.setAttribute( 'value', "Un-loop" );
369                         }
370                         else
371                         {
372                             nb.appendChild( document.createTextNode( " play once " ) );
373                             
374                             link.setAttribute( 'onclick', 'vlm_loop("'+elt.getAttribute( 'name' ) + '");' );
375                             link.setAttribute( 'value', "Loop" );
376                         }
377                         nb.appendChild( link );
378
379                         if( elt.getAttribute( 'enabled' ) == 'yes' )
380                         {
381                             nb.appendChild( document.createTextNode( " " ) );
382                             nb.appendChild( create_button( 'Play', 'vlm_play("'+elt.getAttribute('name')+'");' ) );
383                         }
384
385                         nb.appendChild( document.createTextNode( " " ) );
386                         nb.appendChild( create_button( 'Pause', 'vlm_pause("'+elt.getAttribute('name')+'");' ) );
387
388                         nb.appendChild( document.createTextNode( " " ) );
389                         nb.appendChild( create_button( 'Stop', 'vlm_stop("'+elt.getAttribute('name')+'");' ) );
390                     }
391                     
392                     nb.appendChild( document.createTextNode( " " ) );
393                     nb.appendChild( create_button( 'Delete', 'vlm_delete("'+elt.getAttribute( 'name' ) + '");' ) );
394
395                     var list = document.createElement( "ul" );
396
397                     /* begin input list */
398                     var item = document.createElement( "li" );
399                     list.appendChild( item );
400                     item.appendChild( document.createTextNode( "Inputs: " ) );
401                     var text = document.createElement( "input" );
402                     text.setAttribute( 'type', 'text' );
403                     text.setAttribute( 'size', '40' );
404                     text.setAttribute( 'id', 'vlm_elt_'+elt.getAttribute('name')+'_input' );
405                     text.setAttribute( 'onkeypress', 'if( event.keyCode == 13 ) vlm_add_input("'+elt.getAttribute('name')+'",document.getElementById("vlm_elt_'+elt.getAttribute('name')+'_input").value );' );
406                     item.appendChild( text );
407                     item.appendChild( document.createTextNode( ' ' ) );
408                     item.appendChild( create_button( 'Edit', 'vlm_input_edit("vlm_elt_'+elt.getAttribute('name')+'_input");') );
409                     item.appendChild( document.createTextNode( ' ' ) );
410                     item.appendChild( create_button( 'Add input', 'vlm_add_input("'+elt.getAttribute('name')+'",document.getElementById("vlm_elt_'+elt.getAttribute('name')+'_input").value );' ) );
411                     
412                     var inputs = elt.getElementsByTagName( 'input' );
413                     if( inputs.length > 0 )
414                     {
415                         var ilist = document.createElement( "ol" );
416                         ilist.setAttribute( 'start', '1' );
417                         item.appendChild( ilist );
418                         for( i = 0; i < inputs.length; i++ )
419                         {
420                             var item = document.createElement( "li" );
421                             item.appendChild( document.createTextNode( inputs[i].firstChild.data + " " ) );
422                             item.appendChild( create_button( "Delete", 'vlm_delete_input("' + elt.getAttribute( 'name' ) + '", '+(i+1)+' );' ) );
423                             ilist.appendChild( item );
424                         }
425                     }
426                     /* end of input list */
427                     
428                     /* output */
429                     var item = document.createElement( "li" );
430                     outputelt = elt.getElementsByTagName( 'output' )[0];
431                     if( outputelt.hasChildNodes() )
432                     {
433                         output = outputelt.firstChild.data;
434                     }
435                     else
436                     {
437                         output = "";
438                     }
439                     item.appendChild( document.createTextNode( 'Output: ' ) );
440                     var text = document.createElement( "input" );
441                     text.setAttribute( 'type', 'text' );
442                     text.setAttribute( 'id', 'vlm_elt_'+elt.getAttribute('name')+'_output' );
443                     text.setAttribute( 'value', output );
444                     text.setAttribute( 'onkeypress', 'if( event.keyCode == 13 )  vlm_output("'+elt.getAttribute( 'name' )+ '",document.getElementById("vlm_elt_'+elt.getAttribute( 'name' )+'_output").value);' );
445                     item.appendChild( text );
446
447                     item.appendChild( document.createTextNode( ' ' ) );
448
449                     item.appendChild( create_button( 'Edit', 'vlm_output_edit("vlm_elt_'+elt.getAttribute('name')+'_output");' ) );
450                     item.appendChild( document.createTextNode( ' ' ) );
451                     item.appendChild( create_button( 'Change output', 'vlm_output("'+elt.getAttribute( 'name' )+ '",document.getElementById("vlm_elt_'+elt.getAttribute( 'name' )+'_output").value);' ) );
452                     list.appendChild( item );
453                     /* end of output */
454
455                     /* begin options list */
456                     var item = document.createElement( "li" );
457                     list.appendChild( item );
458                     item.appendChild( document.createTextNode( "Options: " ) );
459                     /* Add option */
460                     var text = document.createElement( "input" );
461                     text.setAttribute( 'type', 'text' );
462                     text.setAttribute( 'size', '40' );
463                     text.setAttribute( 'id', 'vlm_elt_'+elt.getAttribute('name')+'_option' );
464                     text.setAttribute( 'onkeypress', 'if( event.keyCode == 13 ) vlm_option("'+elt.getAttribute('name')+'",document.getElementById("vlm_elt_'+elt.getAttribute('name')+'_option").value );' );
465                     item.appendChild( text );
466                     item.appendChild( document.createTextNode( ' ' ) );
467                     item.appendChild( create_button( 'Add option', 'vlm_option("'+elt.getAttribute('name')+'",document.getElementById("vlm_elt_'+elt.getAttribute('name')+'_option").value );' ) );
468                     
469                     var options = elt.getElementsByTagName( 'option' );
470                     if( options.length > 0 )
471                     {
472                         var olist = document.createElement( "ul" );
473                         item.appendChild( olist );
474                         for( i = 0; i < options.length; i++ )
475                         {
476                             var item = document.createElement( "li" );
477                             item.appendChild( document.createTextNode( options[i].firstChild.data ) );
478                             olist.appendChild( item );
479                         }
480                     }
481                     /* end of options */
482
483                     /* Instances list */
484                     var instances = elt.getElementsByTagName( 'instance' );
485                     if( instances.length > 0 )
486                     {
487                         var item = document.createElement("li");
488                         var ilist = document.createElement("ul");
489                         list.appendChild( item );
490                         item.appendChild(document.createTextNode("Instances:")); 
491                         item.appendChild( ilist );
492                         for( i = 0; i < instances.length; i++ )
493                         {
494                             var iname = instances[i].getAttribute( 'name' );
495                             var istate = instances[i].getAttribute( 'state' );
496                             var iposition = Number( instances[i].getAttribute( 'position' ) * 100);
497                             var itime = Math.floor( instances[i].getAttribute( 'time' ) / 1000000);
498                             var ilength = Math.floor( instances[i].getAttribute( 'length' ) / 1000000);
499                             var irate = instances[i].getAttribute( 'rate' );
500                             var ititle = instances[i].getAttribute( 'title' );
501                             var ichapter = instances[i].getAttribute( 'chapter' );
502                             var iseekable = instances[i].getAttribute( 'seekable' );
503                             var iplaylistindex = instances[i].getAttribute( 'playlistindex' );
504                             
505                             var item = document.createElement( "li" );
506                             item.appendChild( document.createTextNode( iname + ": " + istate + " (" + iplaylistindex + ") " + (iposition.toFixed(2)) + "%" + " " + format_time( itime ) + "/" + format_time( ilength ) ) );
507                             ilist.appendChild( item );
508                         }
509                     }
510                     /* end of instances list */
511                     
512                     nb.appendChild( list );
513                     
514                 }
515                 else if( elt.nodeName == "schedule" )
516                 {
517                     var nb = document.createElement( 'div' );
518                     nb.setAttribute( 'class', 'list_element' );
519                     vlms.appendChild( nb );
520
521                     var nbname = document.createElement( 'b' );
522                     nbname.appendChild( document.createTextNode( elt.getAttribute( 'name' ) ) );
523                     nb.appendChild( nbname );
524                     
525                     var link = document.createElement( 'input' );
526                     link.setAttribute( 'type', 'button' );
527                     if( elt.getAttribute( 'enabled' ) == 'yes' )
528                     {
529                         nb.appendChild( document.createTextNode( " enabled " ) );
530                         link.setAttribute( 'onclick', 'vlm_disable("'+elt.getAttribute( 'name' ) + '");' );
531                         link.setAttribute( 'value', "Disable" );
532                     }
533                     else
534                     {
535                         nb.appendChild( document.createTextNode( " disabled " ) );
536                         link.setAttribute( 'onclick', 'vlm_enable("'+elt.getAttribute( 'name' ) + '");' );
537                         link.setAttribute( 'value', "Enable" );
538                     }
539                     nb.appendChild( link );
540
541                     nb.appendChild( document.createTextNode( " " ) );
542                     nb.appendChild( create_button( "Delete", 'vlm_delete("'+elt.getAttribute( 'name' ) + '");' ) );
543
544                     var list = document.createElement( 'ul' );
545
546                     var item = document.createElement( 'li' );
547                     item.appendChild( document.createTextNode( "Date: " + elt.getAttribute( 'date' ) ) );
548                     list.appendChild( item );
549
550                     var item = document.createElement( 'li' );
551                     item.appendChild( document.createTextNode( "Period (in seconds): " + elt.getAttribute( 'period' ) ) );
552                     list.appendChild( item );
553                     
554                     var item = document.createElement( 'li' );
555                     if( elt.getAttribute( 'repeat' ) == -1 )
556                     {
557                         item.appendChild( document.createTextNode( "Number of repeats left: for ever" ) );
558                     }
559                     else
560                     {
561                         item.appendChild( document.createTextNode( "Number of repeats left: " + elt.getAttribute( 'repeat' ) ) );
562                     }
563                     list.appendChild( item );
564                     
565                     var commands = elt.getElementsByTagName( 'command' );
566                     for( i = 0; i < commands.length; i++ )
567                     {
568                         var item = document.createElement( "li" );
569                         item.appendChild( document.createTextNode( "Command: " + commands[i].firstChild.data + " " ) );
570                         list.appendChild( item );
571                     }
572                     
573                     var item = document.createElement( 'li' );
574                     var sel = document.createElement( 'select' );
575                     sel.setAttribute( 'id', 'vlm_elt_'+elt.getAttribute('name')+'_action' );
576                     sel.setAttribute( 'onchange', 'vlm_schedule_type_change("'+elt.getAttribute('name')+'");');
577                     sel.appendChild( create_option( 'play', 'play' ) );
578                     sel.appendChild( create_option( 'pause', 'pause' ) );
579                     sel.appendChild( create_option( 'stop', 'stop' ) );
580                     sel.appendChild( create_option( 'seek', 'seek' ) );
581                     sel.appendChild( create_option( '(other)', '' ) );
582                     item.appendChild( sel );
583
584                     item.appendChild( document.createTextNode( " " ) );
585                     var text = document.createElement( 'input' );
586                     text.setAttribute( 'type', 'text' );
587                     text.setAttribute( 'id', 'vlm_elt_'+elt.getAttribute('name')+'_name' );
588                     text.setAttribute( 'size', '10' );
589                     text.setAttribute( 'value', '(name)' );
590                     text.setAttribute( 'onfocus', 'if( this.value == "(name)" ) this.value = "";' );
591                     text.setAttribute( 'onblur', 'if( this.value == "" ) this.value = "(name)";' );
592                     item.appendChild( text );
593
594                     item.appendChild( document.createTextNode( " " ) );
595                     text = document.createElement( 'input' );
596                     text.setAttribute( 'type', 'text' );
597                     text.setAttribute( 'id', 'vlm_elt_'+elt.getAttribute('name')+'_opt' );
598                     text.setAttribute( 'size', '30' );
599                     text.setAttribute( 'value', '(options)' );
600                     text.setAttribute( 'onfocus', 'if( this.value == "(options)" ) this.value = "";' );
601                     text.setAttribute( 'onblur', 'if( this.value == "" ) this.value = "(options)";' );
602                     item.appendChild( text );
603                     item.appendChild( document.createTextNode( " " ) );
604                     item.appendChild( create_button( "Append command", 'vlm_schedule_append("' + elt.getAttribute( 'name' ) + '");') );
605                     
606                     list.appendChild( item );
607
608                     nb.appendChild( list );
609                     vlm_schedule_type_change( elt.getAttribute('name') );
610                     
611                 }
612                 elt = elt.nextSibling;
613             }
614         }
615     }
616 }
617
618 function vlm_cmd( cmd )
619 {
620     loadXMLDoc( 'requests/vlm_cmd.xml?command='+cmd.replace(/\#/g, '%23'), parse_vlm_cmd );
621 }
622
623 function vlm_get_elements( )
624 {
625     loadXMLDoc( 'requests/vlm.xml', parse_vlm_elements );
626 }
627
628 /* helper functions */
629
630 function vlm_disable( name )
631 {
632     document.getElementById( 'vlm_command' ).value = "setup "+name+" disabled";
633     vlm_cmd( value( 'vlm_command' ) );
634 }
635
636 function vlm_enable( name )
637 {
638     document.getElementById( 'vlm_command' ).value = "setup "+name+" enabled";
639     vlm_cmd( value( 'vlm_command' ) );
640 }
641
642 function vlm_loop( name )
643 {
644     document.getElementById( 'vlm_command' ).value = "setup "+name+" loop";
645     vlm_cmd( value( 'vlm_command' ) );
646 }
647
648 function vlm_unloop( name )
649 {
650     document.getElementById( 'vlm_command' ).value = "setup "+name+" unloop";
651     vlm_cmd( value( 'vlm_command' ) );
652 }
653
654 function vlm_play( name )
655 {
656     document.getElementById( 'vlm_command' ).value = "control "+name+" play";
657     vlm_cmd( value( 'vlm_command' ) );
658 }
659
660 function vlm_pause( name )
661 {
662     document.getElementById( 'vlm_command' ).value = "control "+name+" pause";
663     vlm_cmd( value( 'vlm_command' ) );
664 }
665
666 function vlm_stop( name )
667 {
668     document.getElementById( 'vlm_command' ).value = "control "+name+" stop";
669     vlm_cmd( value( 'vlm_command' ) );
670 }
671
672 function vlm_delete( name )
673 {
674     document.getElementById( 'vlm_command' ).value = "del "+name;
675     vlm_cmd( value( 'vlm_command' ) );
676 }
677
678 function vlm_delete_input( name, num )
679 {
680     document.getElementById( 'vlm_command' ).value = "setup "+name+" inputdeln "+num;
681     vlm_cmd( value( 'vlm_command' ) );
682 }
683
684 function vlm_add_input( name, input )
685 {
686     document.getElementById( 'vlm_command' ).value = "setup "+name+" input "+input;
687     vlm_cmd( value( 'vlm_command' ) );
688 }
689
690 function vlm_output( name, output )
691 {
692     document.getElementById( 'vlm_command' ).value = "setup "+name+" output "+output;
693     vlm_cmd( value( 'vlm_command' ) );
694 }
695
696 function vlm_option( name, option )
697 {
698     document.getElementById( 'vlm_command' ).value = "setup "+name+" option "+option;
699     vlm_cmd( value( 'vlm_command' ) );
700 }
701
702 function vlm_batch( batch )
703 {
704     var i;
705     var commands = batch.split( '\n' );
706     for( i = 0; i < commands.length; i++ )
707     {
708         document.getElementById( 'vlm_command' ).value = commands[i];
709         vlm_cmd( value( 'vlm_command' ) );
710     }
711 }
712
713 function vlm_schedule_append( name )
714 {
715     var act = document.getElementById( 'vlm_elt_' + name + '_action' ).value;
716     document.getElementById( 'vlm_command' ).value = "setup " + name + " append ";
717
718     var itemname = document.getElementById( 'vlm_elt_' + name + '_name' ).value;
719     if( itemname == "(name)" ) itemname = "";
720
721     var opt = document.getElementById( 'vlm_elt_' + name + '_opt' ).value;
722     if( opt == "(options)" ) opt = "";
723         
724     if( act == '' )
725     {
726         document.getElementById( 'vlm_command' ).value += opt;
727     }
728     else
729     {
730         document.getElementById( 'vlm_command' ).value += 'control ' + itemname + " " + act + " " + opt;
731     }
732     vlm_cmd( value( 'vlm_command' ) );
733 }
734 function vlm_send( )
735 {
736     vlm_cmd( value( 'vlm_command' ) );
737 }