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ampache/lib/general.js
2006-03-20 01:55:03 +00:00

294 lines
11 KiB
JavaScript

/* The AJAX stuff */
var xmlHttp;
var requestType="";
var ret_songid=0;
function createXMLHttpRequest() {
if (window.ActiveXObject) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
}
function startRequest(params) {
createXMLHttpRequest();
xmlHttp.onreadystatechange = handleStateChange;
xmlHttp.open("GET", web_path + "/server/ajax.server.php?"+params+"&player="+player, true);
/* xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); */
xmlHttp.send(null);
}
function timestuff() {
alert ("mpd_elapsed ="+fmt_time(mpd_elapsed)+"; nowtime - starttime ="+fmt_time(Math.floor ((nowtime - starttime)/1000))+"; secondssinceloaded ="+fmt_time(secondssinceloaded));
}
function handleStateChange() {
if (xmlHttp.readyState == 4) {
if (xmlHttp.status == 200) {
/* alert ("responseText = " + xmlHttp.responseText); */
var props = xmlHttp.responseXML.getElementsByTagName("properties")[0].childNodes;
for (var i=1; i< props.length; i++) {
el = props[i];
/* alert ("i="+i+"; "+el.tagName); */
switch (el.tagName) {
case 'action' : break;
case 'volume' :
var vol = el.firstChild.data;
if (player == 'mpd') document.getElementById ('volume').firstChild.data = vol;
break;
case 'mpd_cur_track_pos' :
mpd_elapsed = Math.floor(el.firstChild.data);
/* alert ('mpd_elapsed ='+mpd_elapsed); */
starttime = new Date();
starttime=starttime.getTime()
break;
case 'state' :
var new_state = el.firstChild.data;
/* alert ('state = '+new_state+'; player_state = '+player_state); */
if ((player == 'mpd') && (player_state != new_state)) {
document.getElementById (player_state+'_button').className = "";
document.getElementById (new_state+'_button').className = "selected_button";
player_state = new_state;
if (player_state == "stop" || player_state == "pause") {
if (document.getElementById ('mpd_np'))
document.getElementById ('mpd_np').className = "nodisplay";
} else
{
if (document.getElementById ('mpd_np'))
document.getElementById ('mpd_np').className = "";
} // end if else
} // end if mpd changed player_state
break;
case 'now_playing' :
ret_songid = Math.round(el.getElementsByTagName ('songid')[0].firstChild.data);
if (player == 'mpd' && player_state != 'stop') {
mpd_song_length = el.getElementsByTagName ('songlength')[0].firstChild.data;
if (document.getElementById ('mpd_npinfo')) {
document.getElementById ('mpd_npinfo').firstChild.data =
1+ret_songid + ". " +
el.getElementsByTagName ('songartist')[0].firstChild.data + " - " +
el.getElementsByTagName ('songtitle')[0].firstChild.data + " - " +
el.getElementsByTagName ('songalbum')[0].firstChild.data + " - " +
fmt_time(mpd_song_length);
}
}
if (ret_songid != mpd_songid) {
if (document.getElementById ('mpd_row'+mpd_songid)) {
if ((mpd_songid - mpdpl_first) %2 == 1) {
document.getElementById ('mpd_row'+mpd_songid).className = 'even';
} else {
document.getElementById ('mpd_row'+mpd_songid).className = 'odd';
}
}
if (player_state != 'stop') {
if ((document.getElementById ('mpd_row'+ret_songid) != null) && (player_state != 'stop')) {
document.getElementById ('mpd_row'+ret_songid).className = 'npsong';
}
}
mpd_songid = ret_songid;
}
break;
case 'now_playing_display' :
// fix for pages where now playing data doesnt exist
if (document.getElementById('np_songid_0_holder')) {
show_now_playing_display(el);
}
break;
default :
alert ('Unknown XML reply :"'+el.tagName+'"');
} // end switch
} // end for
}
else
{ alert ('status = ' + xmlHttp.status);
} // end if status else
} //end if ready status
}
// the actual function that checks and updates the now playing data.
function show_now_playing_display (el) {
for (var i=0; i<el.childNodes.length; i++) {
now_playing = el.childNodes[i];
// check if we need to update
if (document.getElementById('np_songid_'+i+'_holder').innerHTML ==
now_playing.getElementsByTagName('songid')[0].firstChild.data) { } else {
// set the songid holder, so we only update if nessicary... (no album art flashing)
document.getElementById('np_songid_'+i+'_holder').innerHTML =
now_playing.getElementsByTagName('songid')[0].firstChild.data;
// output the fullname of the person, may be blank
document.getElementById('np_fullname_'+i).innerHTML =
now_playing.getElementsByTagName('fullname')[0].firstChild.data;
// output the song name and link tag
document.getElementById('np_song_'+i).innerHTML =
'<a href="song.php?action=m3u&amp;song=' +
now_playing.getElementsByTagName('songid')[0].firstChild.data + '">' +
now_playing.getElementsByTagName('songtitle')[0].firstChild.data + '</a>';
// output the artist / album and link tags
document.getElementById('np_albumartist_'+i).innerHTML =
'<a href="albums.php?action=show&amp;album=' +
now_playing.getElementsByTagName('albumid')[0].firstChild.data + '">' +
now_playing.getElementsByTagName('songalbum')[0].firstChild.data +
'</a> / <a href="artists.php?action=show&amp;artist=' +
now_playing.getElementsByTagName('artistid')[0].firstChild.data + '">' +
now_playing.getElementsByTagName('songartist')[0].firstChild.data + '</a>';
// output the album art, and the link for it
document.getElementById('np_img_'+i).innerHTML =
'<a target="_blank" href="albumart.php?id=' +
now_playing.getElementsByTagName('albumid')[0].firstChild.data +
'&amp;type=popup" onclick="popup_art(\'albumart.php?id=' +
now_playing.getElementsByTagName('albumid')[0].firstChild.data +
'&amp;type=popup\'); return false;">' +
'<img align="middle" border="0" src="albumart.php?id=' +
now_playing.getElementsByTagName('albumid')[0].firstChild.data +
'&amp;fast=1&amp;thumb=1" alt="Album Art" height="75" /></a>';
// make sure its visible.
document.getElementById('np_container_'+i).style.display = 'block';
} // end if holder = songid
} // for ecah record we get
// fill in the rest with blank data and hide them.
while (i<5) {
document.getElementById('np_container_'+i).style.display = 'none';
document.getElementById('np_songid_'+i+'_holder').innerHTML = '';
i++;
} // end while i<5
} // end show_now_playing_display function
function disableField(element) {
var element_id = document.getElementById(element);
element_id.disabled=true;
element_id.value='';
element_id.checked=false;
}
function enableField(element) {
var element_id = document.getElementById(element);
element_id.disabled=false;
}
function flipField(element) {
var element_id = document.getElementById(element);
if (element_id.disabled == false) {
element_id.disabled=true;
}
else {
element_id.disabled=false;
}
}
function selectField(element)
{
var element_id = document.getElementById(element);
element_id.focus();
}
var checkflag_song = "false";
function check_songs() {
if (checkflag_song == "false") {
if (document.forms.songs.elements["song[]"].length == undefined) {
document.forms.songs.elements["song[]"].checked = true;
}
else {
for (i = 0; i < document.forms.songs.elements["song[]"].length; i++) {
document.forms.songs.elements["song[]"][i].checked = true;
}
}
checkflag_song = "true";
return "Unselect All";
}
else {
if (document.forms.songs.elements["song[]"].length == undefined) {
document.forms.songs.elements["song[]"].checked = false;
}
else {
for (i = 0; i < document.forms.songs.elements["song[]"].length; i++) {
document.forms.songs.elements["song[]"][i].checked = false;
}
}
checkflag_song = "false";
return "Select All";
}
}
function invert_songs() {
for( i = 0; i < document.forms.songs.elements["song[]"].length; ++i ) {
document.forms.songs.elements["song[]"][i].checked = !document.forms.songs.elements["song[]"][i].checked
}
}
var checkflag_results = "false";
function check_results() {
if (checkflag_results == "false") {
if (document.results.elements["results[]"].length == undefined) {
document.results.elements["results[]"].checked = true;
}
else {
for (i = 0; i < document.results.elements["results[]"].length; i++) {
document.results.elements["results[]"][i].checked = true;
}
}
checkflag_results = "true";
return "Unselect All";
}
else {
if (document.results.elements["results[]"].length == undefined) {
document.results.elements["results[]"].checked = false;
}
else {
for (i = 0; i < document.results.elements["results[]"].length; i++) {
document.results.elements["results[]"][i].checked = false;
}
}
checkflag_results = "false";
return "Select All";
}
}
// function for the catalog mojo fluf
function update_txt(value,field) {
document.getElementById(field).innerHTML=value;
}
function popup_art(url) {
var newwindow;
newwindow=window.open(url, "ampache_art", "menubar=no,toolbar=no,location=no,directories=no");
if (window.focus) {newwindow.focus()}
}
// function needed for IE. attaches mouseover/out events to give/remove css class .sfhover (fake hover)
sfHover = function(navlist) {
var sfEls = document.getElementById("navlist").getElementsByTagName("LI");
for (var i=0; i <sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=" sfhover";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp("sfhover\\b"), "");
}
} // end for
} // end function for sfHover
if (window.attachEvent) window.attachEvent("onload", sfHover);