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fixed sorting

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This commit is contained in:
Kasper Rynning-Tønnesen
2015-06-10 22:12:14 +02:00
parent 18efd9676e
commit 450870c4b1
1 changed files with 77 additions and 5 deletions
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82
static/js/list.js
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@@ -27,13 +27,19 @@ function channel_function(msg)
var index_of_conf = getIndexOfConf(full_playlist);
conf = full_playlist[index_of_conf];
full_playlist.splice(index_of_conf, 1);
full_playlist.sort(sortFunction);
full_playlist.sort(predicate({
name: 'votes',
reverse: true
}, 'added'));
set_conf(conf);
populate_list(full_playlist);
}else if(msg[0] == "added")
{
full_playlist.push(msg[1]);
full_playlist.sort(sortFunction);
full_playlist.sort(predicate({
name: 'votes',
reverse: true
}, 'added'));
insertAtIndex(getIndexOfSong(msg[1].id), msg[1]);
}else if(msg[0] == "deleted")
{
@@ -49,7 +55,10 @@ function channel_function(msg)
var index_of_song = getIndexOfSong(msg[1]);
full_playlist[index_of_song].votes += 1;
full_playlist[index_of_song].added = msg[2];
full_playlist.sort(sortFunction);
full_playlist.sort(predicate({
name: 'votes',
reverse: true
}, 'added'));
populate_list(full_playlist, false);
}else if(msg[0] == "song_change")
{
@@ -59,7 +68,10 @@ function channel_function(msg)
full_playlist[0].guids = [];
full_playlist[0].added = msg[1];
full_playlist[full_playlist.length-1].now_playing = false;
full_playlist.sort(sortFunction);
full_playlist.sort(predicate({
name: 'votes',
reverse: true
}, 'added'));
populate_list(full_playlist);
}
@@ -131,7 +143,10 @@ function populate_list(msg)
$("#wrapper").css("opacity", "1");
full_playlist = msg;
full_playlist = full_playlist.sort(sortFunction);
full_playlist = full_playlist.sort(predicate({
name: 'votes',
reverse: true
}, 'added'));
}
function vote(id, vote){
@@ -203,6 +218,63 @@ function sortFunction(a, b) {
return 0;
}
function predicate() {
var fields = [],
n_fields = arguments.length,
field, name, reverse, cmp;
var default_cmp = function (a, b) {
if (a === b) return 0;
return a < b ? -1 : 1;
},
getCmpFunc = function (primer, reverse) {
var dfc = default_cmp,
// closer in scope
cmp = default_cmp;
if (primer) {
cmp = function (a, b) {
return dfc(primer(a), primer(b));
};
}
if (reverse) {
return function (a, b) {
return -1 * cmp(a, b);
};
}
return cmp;
};
// preprocess sorting options
for (var i = 0; i < n_fields; i++) {
field = arguments[i];
if (typeof field === 'string') {
name = field;
cmp = default_cmp;
} else {
name = field.name;
cmp = getCmpFunc(field.primer, field.reverse);
}
fields.push({
name: name,
cmp: cmp
});
}
// final comparison function
return function (A, B) {
var a, b, name, result;
for (var i = 0; i < n_fields; i++) {
result = 0;
field = fields[i];
name = field.name;
result = field.cmp(A[name], B[name]);
if (result !== 0) break;
}
return result;
};
}
function insertAtIndex(i, song_info) {
setTimeout(function(){
var test = $("#wrapper").children()[i];