owntone-server/admin-root/playlist.js
Anders Betnér 91df6a5abf Move common javascript functions to util.js closes #69
Javascript fixes for Safari
2006-05-27 21:04:19 +00:00

707 lines
21 KiB
JavaScript

// TODO
// move stuff to responsehandler
// handle source change events (keyPress etc)
// If playlist is empty don't confirm delete
var CustomDraggable = Class.create();
CustomDraggable.removeOnDrop = false;
CustomDraggable.revereNamesOnDrop = true;
CustomDraggable.prototype = (new Rico.Draggable()).extend( {
initialize: function( htmlElement, name ) {
this.type = 'Custom';
this.htmlElement = htmlElement;
this.name = name;
},
log: function(str) {
// alert(str);
},
select: function() {
this.selected = true;
},
deselect: function() {
this.selected = false;
},
startDrag: function() {
var el = this.htmlElement;
this.log("startDrag: [" + this.name +"]");
},
cancelDrag: function() {
var el = this.htmlElement;
this.log("cancelDrag: [" + this.name +"]");
},
endDrag: function() {
var el = this.htmlElement;
this.log("endDrag: [" + this.name +"]");
if ( CustomDraggable.removeOnDrop )
this.htmlElement.style.display = 'none';
},
getSingleObjectDragGUI: function() {
var el = this.htmlElement;
var div = document.createElement("div");
div.className = 'customDraggable';
div.style.width = (this.htmlElement.offsetWidth - 10) + "px";
new Insertion.Top( div, "some songs" );
return div;
},
getMultiObjectDragGUI: function( draggables ) {
var el = this.htmlElement;
var names = "";
names = "some song(s)";
var div = document.createElement("div");
div.className = 'customDraggable';
div.style.width = (this.htmlElement.offsetWidth - 10) + "px";
new Insertion.Top( div, names );
return div;
},
getDroppedGUI: function() {
var el = this.htmlElement;
var div = document.createElement("div");
var names = this.name.split(",");
if ( CustomDraggable.revereNamesOnDrop )
new Insertion.Top( div, "<span class='nameSpan'>[" + names[1].substring(1) + " " + names[0]+ "]</span>" );
else
new Insertion.Top( div, "<span class='nameSpan'>[" + this.name + "]</span>" );
return div;
},
toString: function() {
return this.name;
}
} );
var CustomDropzone = Class.create();
CustomDropzone.prototype = (new Rico.Dropzone()).extend( {
initialize: function( htmlElement, header) {
this.htmlElement = htmlElement;
this.header = header;
this.absoluteRect = null;
this.acceptedObjects = [];
this.offset = navigator.userAgent.toLowerCase().indexOf("msie") >= 0 ? 0 : 1;
},
activate: function() {
},
deactivate: function() {
},
showHover: function() {
if ( this.showingHover )
return;
this.header.style.color = "#1111bb";
this.showingHover = true;
},
hideHover: function() {
if ( !this.showingHover )
return;
this.header.style.color = "#000000";
this.showingHover = false;
},
accept: function(draggableObjects) {
var songids = '';
for (var i = SelectedRows.songId.length - 1; i >= 0; --i) {
if (SelectedRows.songId[i]) {
if (songids != '') {
songids += ",";
}
songids += i;
}
}
this._insert(songids);
},
_insert: function(songids) {
var url = '/databases/1/containers/' + this.htmlElement.value + "/items/add?output=xml&dmap.itemid=" + songids;
new Ajax.Request(url ,{method: 'get',onComplete:this.responseAdd});
},
responseAdd: function(request) {
var status = Element.textContent(request.responseXML.getElementsByTagName('dmap.status')[0]);
if ('200' != status) {
alert("Couldn't add songs to playlist");
return;
}
alert("Added songs to playlist");
},
canAccept: function(draggableObjects) {
return true;
}
} );
Event.observe(window,'load',initPlaylist);
var SEARCH_DELAY = 500; // # ms without typing before the search box searches
var BROWSE_TEXT_LEN = 30; // genres/artists/albums select options longer than this will have
// a title attribute (to show a tool tip for items that doesn't fit the box
var g_myLiveGrid; // the live grid;
function initPlaylist() {
Ajax.Responders.register({ onCreate: Spinner.incRequestCount,
onComplete: Spinner.decRequestCount});
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);
Event.observe('songs_data','click',SelectedRows.click);
// Firefox remebers the search box value on page reload
Field.clear('search');
g_myLiveGrid = new Rico.LiveGrid('songs_data',20,1000,'',{prefetchBuffer: false});
for (var i = $('songs_data').rows.length - 1; i >= 0; --i) {
dndMgr.registerDraggable(new CustomDraggable($('songs_data').rows[i], "bob " + i));
}
}
var Spinner = {
count: 0,
incRequestCount: function (ca) {
Spinner.count++;
$('spinner').style.visibility = 'visible';
},
decRequestCount: function (caller) {
Spinner.count--;
if (/type=browse/.test(caller.url)) {
Spinner.count = 0;
$('spinner').style.visibility = 'hidden';
}
}
};
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 = Element.textContent(this._getOptionElement(Source.playlistId));
//###FIXME use prototype Position instead
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) {
//###FIXME use prototype Position instead
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');
SelectedRows.clearAll();
g_myLiveGrid.resetContents();
g_myLiveGrid.requestContentRefresh(0);
// 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: '/rsp/db/',
playlistId: '1',
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('');
Query.playlistId = playlistId;
},
getUrl: function (type) {
var query=[];
switch (type) {
case 'artists':
if (this.genres.length > 0) {
query = this.genres.collect(function(value){return 'genre%3D"'+value.encode()+'"';});
}
break;
case 'albums':
if (this.artists.length > 0) {
query = this.artists.collect(function(value){return 'artist%3D"'+value.encode()+'"';});
} else if (this.genres.length > 0) {
query = this.genres.collect(function(value){return 'genre%3D"'+value.encode()+'"';});
}
break;
case 'songs':
if (this.albums.length > 0) {
query = this.albums.collect(function(value){return 'album%3D"'+value.encode()+'"';});
} else if (this.artists.length > 0) {
query = this.artists.collect(function(value){return 'artist%3D"'+value.encode()+'"';});
} else if (this.genres.length > 0) {
query = this.genres.collect(function(value){return 'genre%3D"'+value.encode()+'"';});
}
break;
default:
// Do nothing
break;
}
if (this.searchString) {
var search = [];
var string = this.searchString.encode();
['genre','artist','album','title'].each(function (item) {
search.push(item +' includes "' + string + '"');
});
if (query.length > 0) {
return '&query=(' + search.join(' or ') + ') and ('.encode() + query.join(' or ')+ ')';
} else {
return '&query=' + search.join(' or ');
}
} else {
if (query.length > 0) {
return '&query=' + query.join(' or ');
} else {
return '';
}
}
},
getFullUrl: function (type) {
this.busy = true;
var url;
var handler;
var meta = '';
switch (type) {
case 'genres':
url = '/genre';
break;
case 'artists':
url = '/artist';
break;
case 'albums':
url = '/album';
break;
case 'songs':
url = '';
meta = '&type=browse';
break;
default:
alert("Shouldn't happen 2");
break;
}
return this.baseUrl + this.playlistId + url + '?dummy=' + meta + this.getUrl(type);
},
send: function(type) {
if (('genres' == type) || ('artists' == type) || ('albums' == type)) {
handler = ResponseHandler[type];
} else {
return;
// handler = rsSongs;
}
new Ajax.Request(this.getFullUrl(type), {method: 'get',onComplete:handler});
}
};
var ResponseHandler = {
genres: function (request) {
ResponseHandler._genreAlbumArtist(request,'genres');
},
artists: function (request) {
ResponseHandler._genreAlbumArtist(request,'artists');
},
albums: function (request) {
ResponseHandler._genreAlbumArtist(request,'albums');
},
_genreAlbumArtist: function (request,type) {
var items = $A(request.responseXML.getElementsByTagName('item'));
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':
SelectedRows.clearAll();
g_myLiveGrid.resetContents();
g_myLiveGrid.requestContentRefresh(0);
// 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;
if (option.length >= BROWSE_TEXT_LEN) {
o.title = option;
}
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);
var options = $('static_playlists').getElementsByTagName("option");
for (var j = 0; j < options.length; j++) {
dndMgr.registerDropZone(new CustomDropzone(options[j], $('static_playlists')));
}
}
// Select Library
sourceSelect.value = 1;
}
SelectedRows = {
songId: [],
click: function(e) {
var tr = Event.findElement(e,'tr');
var id = tr.getAttribute('songid');
if (!id) {
return;
}
if (e.ctrlKey) {
if (SelectedRows.isSelected(tr)) {
SelectedRows.unsetSelected(tr);
} else {
SelectedRows.setSelected(tr);
}
return;
}
if (e.shiftKey) {
return;
}
if (SelectedRows.isSelected(tr)) {
SelectedRows.clearAll();
} else {
SelectedRows.clearAll();
SelectedRows.setSelected(tr);
}
},
isSelected: function (tr) {
return SelectedRows.songId[tr.getAttribute('songid')];
},
setSelected: function (tr) {
SelectedRows.songId[tr.getAttribute('songid')] = tr.getAttribute('index');
tr.style.backgroundColor = '#8CACBB';
},
unsetSelected: function (tr) {
SelectedRows.songId[tr.getAttribute('songid')] = '';
tr.style.backgroundColor = '';
},
clearAll: function () {
SelectedRows.songId = [];
$A($('songs_data').getElementsByTagName('tr')).each(SelectedRows.unsetSelected);
},
updateState: function (tr,songId,index) {
if (songId && (index || 0 === index)) {
// 0 == false but we want to catch index == 0
tr.setAttribute('songid',songId);
tr.setAttribute('index',index);
if (SelectedRows.isSelected(tr)) {
SelectedRows.setSelected(tr);
} else {
SelectedRows.unsetSelected(tr);
}
} else {
tr.setAttribute('songid','');
tr.setAttribute('index','');
SelectedRows.unsetSelected(tr);
}
}
};
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;
};