owntone-server/admin-root/playlist.js

541 lines
18 KiB
JavaScript

// TODO
// move stuff to responsehandler
// handle source change events (keyPress etc)
// If playlist is empty don't confirm delete
Event.observe(window,'load',initPlaylist);
var SEARCH_DELAY = 500; // # ms without typing before the search box searches
var BROWSE_TEXT_LEN = 30; // Length to truncate genre/artist/album select boxes
Ajax.Responders.register({ onCreate: function () {$('busymsg').style.visibility='visible';},
onComplete: function () {if (!Query.busy) {$('busymsg').style.visibility='hidden';}}});
function initPlaylist() {
new Ajax.Request('/databases/1/containers?output=xml',{method: 'get',onComplete:rsSource});
Query.send('genres');
Event.observe('search','keypress',EventHandler.searchKeyPress);
Event.observe('source','change',EventHandler.sourceChange);
Event.observe('source','click',EventHandler.sourceClick);
Event.observe('source','keypress',EventHandler.sourceKeyPress);
Event.observe('genres','change',EventHandler.genresChange);
Event.observe('artists','change',EventHandler.artistsChange);
Event.observe('albums','change',EventHandler.albumsChange);
Event.observe('add_playlist_href','click',EventHandler.addPlaylistHrefClick);
Event.observe(document,'click',GlobalEvents.click);
Event.observe('edit_playlist_name','keypress',EventHandler.editPlaylistNameKeyPress);
// Firefox remebers the search box value on page reload
Field.clear('search');
}
var GlobalEvents = {
_clickListeners: [],
click: function (e) {
GlobalEvents._clickListeners.each(function (name) {
name.click(e);
});
},
addClickListener: function (el) {
this._clickListeners.push(el);
},
removeClickListener: function (el) {
this._clickListeners = this._clickListeners.findAll(function (element) {
return (element != el);
});
}
}
var Source = {
playlistId: '',
playlistName: '',
_getOptionElement: function (id) {
return option = $A($('source').getElementsByTagName('option')).find(function (el) {
return (el.value == id);
});
},
addPlaylist: function () {
var url = '/databases/1/containers/add?output=xml';
var name= 'untitled playlist';
if (this._playlistExists(name)) {
var i=1;
while (this._playlistExists(name +' ' + i)) {
i++;
}
name += ' ' +i;
}
this.playlistName = name;
url += '&org.mt-daapd.playlist-type=0&dmap.itemname=' + encodeURIComponent(name);
new Ajax.Request(url ,{method: 'get',onComplete:this.responseAdd});
},
_playlistExists: function (name) {
return $A($('source').getElementsByTagName('option')).pluck('firstChild').find(function (el) {
return el.nodeValue == name;
});
},
removePlaylist: function () {
if (window.confirm('Really delete playlist?')) {
var url = '/databases/1/containers/del?output=xml';
url += '&dmap.itemid=' + $('source').value;
new Ajax.Request(url ,{method: 'get',onComplete:this.response});
var option = this._getOptionElement($('source').value);
Element.remove(option);
}
},
savePlaylistName: function () {
input = $('edit_playlist_name');
var url = '/databases/1/containers/edit?output=xml';
url += '&dmap.itemid=' + Source.playlistId;
url += '&dmap.itemname=' + encodeURIComponent(input.value);
new Ajax.Request(url ,{method: 'get',onComplete:this.response});
var option = this._getOptionElement(Source.playlistId);
option.text = input.value;
this.hideEditPlaylistName();
},
editPlaylistName: function () {
input = $('edit_playlist_name');
Source.playlistId = $('source').value;
playlistName = this._getOptionElement(Source.playlistId).firstChild.nodeValue;
input.style.top = RicoUtil.toDocumentPosition(this._getOptionElement(Source.playlistId)).y + 'px';
input.value = playlistName;
input.style.display = 'block';
Field.activate(input);
GlobalEvents.addClickListener(this);
},
hideEditPlaylistName: function () {
$('edit_playlist_name').style.display = 'none';
Field.activate('source');
Source.playlistId = '';
GlobalEvents.removeClickListener(this);
},
response: function (request) {
// Check that the save gave response 200 OK
},
responseAdd: function(request) {
var status = Element.textContent(request.responseXML.getElementsByTagName('dmap.status')[0]);
if ('200' != status) {
//###FIXME if someone else adds a playlist with the same name
// as mine, (before My page is refreshed) won't happen that often
alert('There is a playlist with that name, write some code to handle this');
return;
}
Source.playlistId = Element.textContent(request.responseXML.getElementsByTagName('dmap.itemid')[0]);
var o = document.createElement('option');
o.value = Source.playlistId;
o.text = Source.playlistName;
$('static_playlists').appendChild(o);
$('source').value = Source.playlistId;
Source.editPlaylistName();
Query.setSource(Source.playlistId);
Query.send('genres');
},
click: function (e) {
var x = Event.pointerX(e);
var y = Event.pointerY(e);
var el = $('edit_playlist_name');
var pos = RicoUtil.toViewportPosition(el);
if ((x > pos.x) && (x < pos.x + el.offsetWidth) &&
(y > pos.y) && (y < pos.y + el.offsetHeight)) {
// Click was in input box
return;
}
Source.savePlaylistName();
}
}
var EventHandler = {
searchTimeOut: '',
sourceClickCount: [],
sourceClick: function (e) {
var playlistId = Event.element(e).value;
if (1 == playlistId) {
// do nothing for Library
return;
}
if (EventHandler.sourceClickCount[playlistId]) {
EventHandler.sourceClickCount[playlistId]++
} else {
EventHandler.sourceClickCount[playlistId] = 1;
}
if (EventHandler.sourceClickCount[playlistId] > 1) {
el = Event.element(e);
if (!document.all && !el.text) {
// IE sends the select in the event, not the option
// Firefox generates and event when clicking in and empty area
// of the select box
return;
}
Source.editPlaylistName();
}
},
sourceChange: function (e) {
EventHandler.sourceClickCount = [];
Field.clear('search');
var playlistId = $('source').value;
Query.setSource(playlistId);
Query.send('genres');
},
sourceKeyPress: function (e) {
if (e.keyCode == Event.KEY_DELETE) {
Source.removePlaylist();
}
if (113 == e.keyCode) {
// F2
//TODO edit playist, what is the key on a mac?
}
},
editPlaylistNameKeyPress: function (e) {
input = $('edit_playlist_name');
if (e.keyCode == Event.KEY_ESC) {
Source.hideEditPlaylistName();
}
if (e.keyCode == Event.KEY_RETURN) {
Source.savePlaylistName();
}
},
addPlaylistHrefClick: function (e) {
Source.addPlaylist();
},
searchKeyPress: function (e) {
if (EventHandler.searchTimeOut) {
window.clearTimeout(EventHandler.searchTimeOut);
}
if (e.keyCode == Event.KEY_RETURN) {
EventHandler._search();
} else {
EventHandler.searchTimeOut = window.setTimeout(EventHandler._search,SEARCH_DELAY);
}
},
_search: function () {
Query.setSearchString($('search').value);
Query.send('genres');
},
genresChange: function (e) {
EventHandler._setSelected('genres');
Query.send('artists');
},
artistsChange: function (e) {
EventHandler._setSelected('artists');
Query.send('albums');
},
albumsChange: function (e) {
EventHandler._setSelected('albums');
Query.send('songs');
},
_setSelected: function (type) {
var options = $A($(type).options);
Query.clearSelection(type);
if ($(type).value != 'all') {
options.each(function (option) {
if (option.selected) {
Query.addSelection(type,option.value);
}
});
}
}
};
var Query = {
baseUrl: '/databases/1/',
playlistUrl: '',
genres: [],
artists:[],
albums: [],
busy: '',
searchString: '',
clearSelection: function (type) {
this[type] = [];
},
addSelection: function (type,value){
this[type].push(value);
},
setSearchString: function (string) {
this.searchString = string;
},
setSource: function (playlistId) {
Query.clearSelection('genres');
Query.clearSelection('artists');
Query.clearSelection('albums');
Query.setSearchString('');
if (1 == playlistId) {
Query.playlistUrl = '';
} else {
Query.playlistUrl = 'containers/' + playlistId + '/';
}
},
getUrl: function (type) {
var query=[];
switch (type) {
case 'artists':
if (this.genres.length > 0) {
query = this.genres.collect(function(value){return "'daap.songgenre:"+value.encode()+"'";});
}
break;
case 'albums':
if (this.artists.length > 0) {
query = this.artists.collect(function(value){return "'daap.songartist:"+value.encode()+"'";});
} else if (this.genres.length > 0) {
query = this.genres.collect(function(value){return "'daap.songgenre:"+value.encode()+"'";});
}
break;
case 'songs':
if (this.albums.length > 0) {
query = this.albums.collect(function(value){return "'daap.songalbum:"+value.encode()+"'";});
} else if (this.artists.length > 0) {
query = this.artists.collect(function(value){return "'daap.songartist:"+value.encode()+"'";});
} else if (this.genres.length > 0) {
query = this.genres.collect(function(value){return "'daap.songgenre:"+value.encode()+"'";});
}
break;
default:
// Do nothing
break;
}
if (this.searchString) {
var search = [];
var string = this.searchString.encode();
['daap.songgenre','daap.songartist','daap.songalbum','dmap.itemname'].each(function (item) {
search.push("'" + item +':*' + string + "*'");
});
if (query.length > 0) {
return '&query=(' +search.join(',') + ')+('.encode() + query.join(',')+ ')';
} else {
return '&query=' + search.join(',');
}
} else {
if (query.length > 0) {
return '&query=' + query.join(',');
} else {
return '';
}
}
},
send: function (type) {
this.busy = true;
var url;
var handler;
var meta = '';
var index = '';
switch (type) {
case 'genres':
url = 'browse/genres';
handler = ResponseHandler.genreAlbumArtist;
break;
case 'artists':
url = 'browse/artists';
handler = ResponseHandler.genreAlbumArtist;
break;
case 'albums':
url = 'browse/albums';
handler = ResponseHandler.genreAlbumArtist;
break;
case 'songs':
url = 'items';
meta = '&meta=daap.songalbum,daap.songartist,daap.songgenre,dmap.itemid,daap.songtime,dmap.itemname';
index = '&index=0-50';
handler = rsSongs;
break;
default:
alert("Shouldn't happen 2");
break;
}
url = this.baseUrl + this.playlistUrl + url + '?output=xml' + index + meta + this.getUrl(type);
new Ajax.Request(url ,{method: 'get',onComplete:handler});
}
};
var ResponseHandler = {
genreAlbumArtist: function (request) {
var type;
if (request.responseXML.getElementsByTagName('daap.browsegenrelisting').length > 0) {
type = 'genres';
}
if (request.responseXML.getElementsByTagName('daap.browseartistlisting').length > 0) {
type = 'artists';
}
if (request.responseXML.getElementsByTagName('daap.browsealbumlisting').length > 0) {
type = 'albums';
}
var items = $A(request.responseXML.getElementsByTagName('dmap.listingitem'));
items = items.collect(function (el) {
return Element.textContent(el);
}).sort();
var select = $(type);
Element.removeChildren(select);
var o = document.createElement('option');
o.value = 'all';
o.appendChild(document.createTextNode('All (' + items.length + ' ' + type + ')'));
select.appendChild(o);
var selected = {};
Query[type].each(function(item) {
selected[item] = true;
});
Query.clearSelection(type);
if (ResponseHandler._addOptions(type,items,selected)) {
select.value='all';
}
switch (type) {
case 'genres':
Query.send('artists');
break;
case 'artists':
Query.send('albums');
break;
case 'albums':
Query.send('songs');
break;
default:
alert("Shouldn't happen 3");
break;
}
},
_addOptions: function (type,options,selected) {
el = $(type);
var nothingSelected = true;
options.each(function (option) {
var node;
//###FIXME I have no idea why the Builder.node can't create options
// with the selected state I want.
var o = document.createElement('option');
o.value = option;
var text = option.truncate(BROWSE_TEXT_LEN);
if (option.length != text.length) {
o.title = option;
o.appendChild(document.createTextNode(text));
} else {
o.appendChild(document.createTextNode(option));
}
if (selected[option]) {
o.selected = true;
nothingSelected = false;
Query.addSelection(type,option);
} else {
o.selected = false;
}
el.appendChild(o);
});
return nothingSelected;
}
};
function rsSource(request) {
var items = $A(request.responseXML.getElementsByTagName('dmap.listingitem'));
var sourceSelect = $('source');
var smartPlaylists = [];
var staticPlaylists = [];
Element.removeChildren(sourceSelect);
items.each(function (item,index) {
if (0 === index) {
// Skip Library
return;
}
if (item.getElementsByTagName('com.apple.itunes.smart-playlist').length > 0) {
smartPlaylists.push({name: Element.textContent(item.getElementsByTagName('dmap.itemname')[0]),
id: Element.textContent(item.getElementsByTagName('dmap.itemid')[0])});
} else {
staticPlaylists.push({name: Element.textContent(item.getElementsByTagName('dmap.itemname')[0]),
id: Element.textContent(item.getElementsByTagName('dmap.itemid')[0])});
}
});
sourceSelect.appendChild(Builder.node('option',{value: '1'},'Library'));
if (smartPlaylists.length > 0) {
optgroup = Builder.node('optgroup',{label: 'Smart playlists'});
smartPlaylists.each(function (item) {
var option = document.createElement('option');
optgroup.appendChild(Builder.node('option',{value: item.id},item.name));
});
sourceSelect.appendChild(optgroup);
}
if (staticPlaylists.length > 0) {
optgroup = Builder.node('optgroup',{label: 'Static playlists',id: 'static_playlists'});
staticPlaylists.each(function (item) {
var option = document.createElement('option');
optgroup.appendChild(Builder.node('option',{value: item.id},item.name));
});
sourceSelect.appendChild(optgroup);
}
// Select Library
sourceSelect.value = 1;
}
function rsSongs(request) {
var items = $A(request.responseXML.getElementsByTagName('dmap.listingitem'));
var songsTable = $('songs_data');
Element.removeChildren(songsTable);
items.each(function (item) {
var tr = document.createElement('tr');
var time = parseInt(Element.textContent(item.getElementsByTagName('daap.songtime')[0]));
time = Math.round(time / 1000);
var seconds = time % 60;
seconds = (seconds < 10) ? '0'+seconds : seconds;
timeString = Math.floor(time/60)+ ':' + seconds;
tr.appendChild(Builder.node('td',{style:'width: 140px;'},Element.textContent(item.getElementsByTagName('dmap.itemname')[0])));
tr.appendChild(Builder.node('td',{style:'width: 50px;'},timeString));
tr.appendChild(Builder.node('td',{style:'width: 120px;'},Element.textContent(item.getElementsByTagName('daap.songartist')[0])));
tr.appendChild(Builder.node('td',{style:'width: 120px;'},Element.textContent(item.getElementsByTagName('daap.songalbum')[0])));
tr.appendChild(Builder.node('td',{style:'width: 100px;'},Element.textContent(item.getElementsByTagName('daap.songgenre')[0])));
songsTable.appendChild(tr);
});
Query.busy = false;
}
Object.extend(Element, {
removeChildren: function(element) {
while(element.hasChildNodes()) {
element.removeChild(element.firstChild);
}
},
textContent: function(node) {
if ((!node) || !node.hasChildNodes()) {
// Empty text node
return '';
} else {
if (node.textContent) {
// W3C ?
return node.textContent;
} else if (node.text) {
// IE
return node.text;
}
}
// We shouldn't end up here;
return '';
}
});
String.prototype.encode = function () {
return encodeURIComponent(this).replace(/\'/g,"\\'");
};
// Stolen from prototype 1.5
String.prototype.truncate = function(length, truncation) {
length = length || 30;
truncation = truncation === undefined ? '...' : truncation;
var ret = (this.length > length) ? this.slice(0, length - truncation.length) + truncation : this;
return '' + ret;
};
/* Detta script finns att hamta pa http://www.jojoxx.net och
far anvandas fritt sa lange som dessa rader star kvar. */
function DataDumper(obj,n,prefix){
var str=""; prefix=(prefix)?prefix:""; n=(n)?n+1:1; var ind=""; for(var i=0;i<n;i++){ ind+=" "; }
if(typeof(obj)=="string"){
str+=ind+prefix+"String:\""+obj+"\"\n";
} else if(typeof(obj)=="number"){
str+=ind+prefix+"Number:"+obj+"\n";
} else if(typeof(obj)=="function"){
str+=ind+prefix+"Function:"+obj+"\n";
} else if(typeof(obj) == 'boolean') {
str+=ind+prefix+"Boolean:" + obj + "\n";
} else {
var type="Array";
for(var i in obj){ type=(type=="Array"&&i==parseInt(i))?"Array":"Object"; }
str+=ind+prefix+type+"[\n";
if(type=="Array"){
for(var i in obj){ str+=DataDumper(obj[i],n,i+"=>"); }
} else {
for(var i in obj){ str+=DataDumper(obj[i],n,i+"=>"); }
}
str+=ind+"]\n";
}
return str;
}