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Autocomplete, error pages, anchors, lots morrrr

This commit is contained in:
magnolia-fan 2011-06-15 08:38:29 +04:00
parent 5140ebfe92
commit 67e8af4f2f
13 changed files with 613 additions and 41 deletions

View File

@ -1,7 +1,22 @@
require 'uri'
require 'open-uri'
class ArtistController < ApplicationController
def data
data = {}
artist = Artist.find_by_name(params[:name].gsub('+', ' '))
name = params[:name].gsub('%20', ' ').gsub('+', ' ')
artist = Artist.find_by_name(name)
unless artist
mb_artist = MusicBrainzArtist.getByName(name)
if mb_artist
ImportController.importArtist(name)
render :json => {error:'loading'}
return
else
render :json => {error:404}
return
end
end
data['artist'] = {name: artist.name, desc: ActionController::Base.helpers.strip_tags(artist.desc), pic: artist.pic_url}
data['albums'] = []
albums = artist.albums
@ -11,10 +26,14 @@ class ArtistController < ApplicationController
bonus_tracks = []
album.tracks.each do |track|
tmp_track = {name: track.name, live: track.live, acoustic: track.acoustic}
if track.length
time = (track.length / 1000).round
time_m = (time / 60).floor
time_s = time - time_m * 60
tmp_track['duration'] = time_m.to_s + ':' + (time_s < 10 ? '0' : '') + time_s.to_s
else
tmp_track['duration'] = '0:00'
end
(track.bonus == 0 ? album_tracks : bonus_tracks) << tmp_track
end
tmp_album['tracks'] = {album: album_tracks, bonus: bonus_tracks}
@ -22,4 +41,26 @@ class ArtistController < ApplicationController
end
render :json => data
end
def autocomplete
autocomplete = ArtistController.getLastFmAutocomplete(params[:query])
return render :nothing => true if autocomplete.nil?
suggestions = []
autocomplete["response"]["docs"].each do |doc|
suggestions << doc["artist"] unless suggestions.include?(doc["artist"])
end
render :json => {
:query => params[:query],
:suggestions => suggestions
}
end
def self.getLastFmAutocomplete(query)
return nil if query.nil? or query.strip.empty?
json = ActiveSupport::JSON.decode(open(
'http://www.last.fm/search/autocomplete' <<
'?q=' << URI.escape(query)
).read)
return json.empty? ? nil : json
end
end

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@ -56,5 +56,6 @@ Beathaven::Application.routes.draw do
# Note: This route will make all actions in every controller accessible via GET requests.
# match ':controller(/:action(/:id(.:format)))'
match 'artist/autocomplete' => 'artist#autocomplete'
match 'artist(/:name)' => 'artist#data'
end

4
public/demo/404.html Normal file
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@ -0,0 +1,4 @@
<div id="error_page">
<h1>404</h1>
<span>Failed while searching?<br/>Wait for autocomplete, it might help.<br/>How about <a href="" onclick="loadSearchPage();return(false);">one more try</a>?</span>
</div>

View File

@ -9,6 +9,7 @@
<link rel="stylesheet" type="text/css" media="screen" href="/stylesheets/albums.css" />
<script type="text/javascript" charset="utf-8" src="/javascripts/jquery.min.js"></script>
<script type="text/javascript" charset="utf-8" src="/javascripts/jquery.scroll.js"></script>
<script type="text/javascript" charset="utf-8" src="/javascripts/jquery.autocomplete.js"></script>
<script type="text/javascript" charset="utf-8" src="/javascripts/layout.js"></script>
<script type="text/javascript" charset="utf-8" src="/javascripts/ajax.js"></script>
<script type="text/javascript" charset="utf-8" src="/javascripts/pages.js"></script>
@ -45,18 +46,17 @@
<!-- START HEADER -->
<div id="header-container">
<ul id="navigation">
<li class="logo">BeatHaven</li>
<li>News</li>
<li>Settings</li>
<li>Logout</li>
<li class="logo search">BeatHaven</li>
<li class="search">Search</li>
<li><a href="https://twitter.com/#!/beat_haven" target="_blank">News</a></li>
<li id="vk_login">Login</li>
<li id="vk_logout">Logout</li>
</ul>
</div>
<!-- END HEADER -->
<!-- START DATA -->
<div id="data-container" class="css-scrollbar">
<a class="data artist">Foo Fighters</a>
</div>
<div id="data-container" class="css-scrollbar"></div>
<!-- END DATA -->
<div id="vk_api_transport"></div>

18
public/demo/search.html Normal file
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@ -0,0 +1,18 @@
<script type="text/javascript">
$('#search_field').autocomplete({
serviceUrl: '/artist/autocomplete', // Страница для обработки запросов автозаполнения
minChars: 2, // Минимальная длина запроса для срабатывания автозаполнения
delimiter: /(,|;)\s*/, // Разделитель для нескольких запросов, символ или регулярное выражение
maxHeight: 400, // Максимальная высота списка подсказок, в пикселях
width: 415, // Ширина списка
zIndex: 9999, // z-index списка
deferRequestBy: 150, // Задержка запроса (мсек)
onSelect: loadArtistData
});
</script>
<div id="search-container">
<form action="" method="post" id="search_form">
<input type="text" id="search_field"/>
<input type="submit" value="Search" id="search_button"/>
</form>
</div>

4
public/demo/whee.html Normal file
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@ -0,0 +1,4 @@
<div id="error_page">
<h1>WHEE!</h1>
<span>We never known anything about this artist<br/>but now we found something interesting.<br/>Please come back in a minute.</span>
</div>

View File

@ -1,13 +1,50 @@
function loadArtistData(name) {
setArchor('/artist/'+ name +'/');
$.get('/artist/'+ name +'/', function(data){
if (typeof data.error != 'undefined') {
if (data.error == 'loading') {
loadWheePage();
} else if (data.error == 404) {
load404Page();
}
return false;
}
Pages.renderArtist(data);
})
}
function loadSearchPage() {
setArchor('/search/');
$.get('/demo/search.html', function(data){
$('#data-container').html(data);
})
}
function loadWheePage() {
$.get('/demo/whee.html', function(data){
$('#data-container').html(data);
})
}
function load404Page() {
$.get('/demo/404.html', function(data){
$('#data-container').html(data);
})
}
$(function(){
$('a.data.artist').live('click', function(){
loadArtistData($(this).html());
return false;
});
$('a.data').trigger('click');
$('.search').live('click', function(){
loadSearchPage();
return false;
});
$('#search_form').live('submit', function(){
$('.autocomplete-container').remove();
loadArtistData($('#search_field').val());
return false;
});
})
function setArchor(anchor) {
window.location = '#'+ anchor;
}

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@ -0,0 +1,392 @@
/**
* Ajax Autocomplete for jQuery, version 1.1.3
* (c) 2010 Tomas Kirda
*
* Ajax Autocomplete for jQuery is freely distributable under the terms of an MIT-style license.
* For details, see the web site: http://www.devbridge.com/projects/autocomplete/jquery/
*
* Last Review: 04/19/2010
*/
/*jslint onevar: true, evil: true, nomen: true, eqeqeq: true, bitwise: true, regexp: true, newcap: true, immed: true */
/*global window: true, document: true, clearInterval: true, setInterval: true, jQuery: true */
(function($) {
var reEscape = new RegExp('(\\' + ['/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\'].join('|\\') + ')', 'g');
function fnFormatResult(value, data, currentValue) {
var pattern = '(' + currentValue.replace(reEscape, '\\$1') + ')';
return value.replace(new RegExp(pattern, 'gi'), '<strong>$1<\/strong>');
}
function Autocomplete(el, options) {
this.el = $(el);
this.el.attr('autocomplete', 'off');
this.suggestions = [];
this.data = [];
this.badQueries = [];
this.selectedIndex = -1;
this.currentValue = this.el.val();
this.intervalId = 0;
this.cachedResponse = [];
this.onChangeInterval = null;
this.ignoreValueChange = false;
this.serviceUrl = options.serviceUrl;
this.isLocal = false;
this.options = {
autoSubmit: false,
minChars: 1,
maxHeight: 300,
deferRequestBy: 0,
width: 0,
highlight: true,
params: {},
fnFormatResult: fnFormatResult,
delimiter: null,
zIndex: 9999
};
this.initialize();
this.setOptions(options);
}
$.fn.autocomplete = function(options) {
return new Autocomplete(this.get(0)||$('<input />'), options);
};
Autocomplete.prototype = {
killerFn: null,
initialize: function() {
var me, uid, autocompleteElId;
me = this;
uid = Math.floor(Math.random()*0x100000).toString(16);
autocompleteElId = 'Autocomplete_' + uid;
this.killerFn = function(e) {
if ($(e.target).parents('.autocomplete').size() === 0) {
me.killSuggestions();
me.disableKillerFn();
}
};
if (!this.options.width) { this.options.width = this.el.width(); }
this.mainContainerId = 'AutocompleteContainter_' + uid;
$('<div class="autocomplete-container" id="' + this.mainContainerId + '" style="position:absolute;z-index:9999;"><div class="autocomplete-w1"><div class="autocomplete" id="' + autocompleteElId + '" style="display:none; width:300px;"></div></div></div>').appendTo('body');
this.container = $('#' + autocompleteElId);
this.fixPosition();
if (window.opera) {
this.el.keypress(function(e) { me.onKeyPress(e); });
} else {
this.el.keydown(function(e) { me.onKeyPress(e); });
}
this.el.keyup(function(e) { me.onKeyUp(e); });
this.el.blur(function() { me.enableKillerFn(); });
this.el.focus(function() { me.fixPosition(); });
},
setOptions: function(options){
var o = this.options;
$.extend(o, options);
if(o.lookup){
this.isLocal = true;
if($.isArray(o.lookup)){ o.lookup = { suggestions:o.lookup, data:[] }; }
}
$('#'+this.mainContainerId).css({ zIndex:o.zIndex });
this.container.css({ maxHeight: o.maxHeight + 'px', width:o.width });
},
clearCache: function(){
this.cachedResponse = [];
this.badQueries = [];
},
disable: function(){
this.disabled = true;
},
enable: function(){
this.disabled = false;
},
fixPosition: function() {
var offset = this.el.offset();
$('#' + this.mainContainerId).css({ top: (offset.top + this.el.innerHeight()) + 'px', left: offset.left + 'px' });
},
enableKillerFn: function() {
var me = this;
$(document).bind('click', me.killerFn);
},
disableKillerFn: function() {
var me = this;
$(document).unbind('click', me.killerFn);
},
killSuggestions: function() {
var me = this;
this.stopKillSuggestions();
this.intervalId = window.setInterval(function() { me.hide(); me.stopKillSuggestions(); }, 300);
},
stopKillSuggestions: function() {
window.clearInterval(this.intervalId);
},
onKeyPress: function(e) {
if (this.disabled || !this.enabled) { return; }
// return will exit the function
// and event will not be prevented
switch (e.keyCode) {
case 27: //KEY_ESC:
this.el.val(this.currentValue);
this.hide();
break;
case 9: //KEY_TAB:
case 13: //KEY_RETURN:
if (this.selectedIndex === -1) {
this.hide();
return;
}
this.select(this.selectedIndex);
if(e.keyCode === 9){ return; }
break;
case 38: //KEY_UP:
this.moveUp();
break;
case 40: //KEY_DOWN:
this.moveDown();
break;
default:
return;
}
e.stopImmediatePropagation();
e.preventDefault();
},
onKeyUp: function(e) {
if(this.disabled){ return; }
switch (e.keyCode) {
case 38: //KEY_UP:
case 40: //KEY_DOWN:
return;
}
clearInterval(this.onChangeInterval);
if (this.currentValue !== this.el.val()) {
if (this.options.deferRequestBy > 0) {
// Defer lookup in case when value changes very quickly:
var me = this;
this.onChangeInterval = setInterval(function() { me.onValueChange(); }, this.options.deferRequestBy);
} else {
this.onValueChange();
}
}
},
onValueChange: function() {
clearInterval(this.onChangeInterval);
this.currentValue = this.el.val();
var q = this.getQuery(this.currentValue);
this.selectedIndex = -1;
if (this.ignoreValueChange) {
this.ignoreValueChange = false;
return;
}
if (q === '' || q.length < this.options.minChars) {
this.hide();
} else {
this.getSuggestions(q);
}
},
getQuery: function(val) {
var d, arr;
d = this.options.delimiter;
if (!d) { return $.trim(val); }
arr = val.split(d);
return $.trim(arr[arr.length - 1]);
},
getSuggestionsLocal: function(q) {
var ret, arr, len, val, i;
arr = this.options.lookup;
len = arr.suggestions.length;
ret = { suggestions:[], data:[] };
q = q.toLowerCase();
for(i=0; i< len; i++){
val = arr.suggestions[i];
if(val.toLowerCase().indexOf(q) === 0){
ret.suggestions.push(val);
ret.data.push(arr.data[i]);
}
}
return ret;
},
getSuggestions: function(q) {
var cr, me;
cr = this.isLocal ? this.getSuggestionsLocal(q) : this.cachedResponse[q];
if (cr && $.isArray(cr.suggestions)) {
this.suggestions = cr.suggestions;
this.data = cr.data;
this.suggest();
} else if (!this.isBadQuery(q)) {
me = this;
me.options.params.query = q;
$.get(this.serviceUrl, me.options.params, function(txt) { me.processResponse(txt); }, 'text');
}
},
isBadQuery: function(q) {
var i = this.badQueries.length;
while (i--) {
if (q.indexOf(this.badQueries[i]) === 0) { return true; }
}
return false;
},
hide: function() {
this.enabled = false;
this.selectedIndex = -1;
this.container.hide();
},
suggest: function() {
if (this.suggestions.length === 0) {
this.hide();
return;
}
var me, len, div, f, v, i, s, mOver, mClick;
me = this;
len = this.suggestions.length;
f = this.options.fnFormatResult;
v = this.getQuery(this.currentValue);
mOver = function(xi) { return function() { me.activate(xi); }; };
mClick = function(xi) { return function() { me.select(xi); }; };
this.container.hide().empty();
for (i = 0; i < len; i++) {
s = this.suggestions[i];
if (typeof s == 'string') {
div = $((me.selectedIndex === i ? '<div class="selected"' : '<div') + ' title="' + s + '">' + f(s, this.data[i], v) + '</div>');
div.mouseover(mOver(i));
div.click(mClick(i));
this.container.append(div);
}
}
this.enabled = true;
this.container.show();
},
processResponse: function(text) {
var response;
try {
response = eval('(' + text + ')');
} catch (err) { return; }
if (!$.isArray(response.data)) { response.data = []; }
if(!this.options.noCache){
this.cachedResponse[response.query] = response;
if (response.suggestions.length === 0) { this.badQueries.push(response.query); }
}
if (response.query === this.getQuery(this.currentValue)) {
this.suggestions = response.suggestions;
this.data = response.data;
this.suggest();
}
},
activate: function(index) {
var divs, activeItem;
divs = this.container.children();
// Clear previous selection:
if (this.selectedIndex !== -1 && divs.length > this.selectedIndex) {
$(divs.get(this.selectedIndex)).removeClass();
}
this.selectedIndex = index;
if (this.selectedIndex !== -1 && divs.length > this.selectedIndex) {
activeItem = divs.get(this.selectedIndex);
$(activeItem).addClass('selected');
}
return activeItem;
},
deactivate: function(div, index) {
div.className = '';
if (this.selectedIndex === index) { this.selectedIndex = -1; }
},
select: function(i) {
var selectedValue, f;
selectedValue = this.suggestions[i];
if (selectedValue) {
this.el.val(selectedValue);
if (this.options.autoSubmit) {
f = this.el.parents('form');
if (f.length > 0) { f.get(0).submit(); }
}
this.ignoreValueChange = true;
this.hide();
this.onSelect(i);
}
},
moveUp: function() {
if (this.selectedIndex === -1) { return; }
if (this.selectedIndex === 0) {
this.container.children().get(0).className = '';
this.selectedIndex = -1;
this.el.val(this.currentValue);
return;
}
this.adjustScroll(this.selectedIndex - 1);
},
moveDown: function() {
if (this.selectedIndex === (this.suggestions.length - 1)) { return; }
this.adjustScroll(this.selectedIndex + 1);
},
adjustScroll: function(i) {
var activeItem, offsetTop, upperBound, lowerBound;
activeItem = this.activate(i);
offsetTop = activeItem.offsetTop;
upperBound = this.container.scrollTop();
lowerBound = upperBound + this.options.maxHeight - 25;
if (offsetTop < upperBound) {
this.container.scrollTop(offsetTop);
} else if (offsetTop > lowerBound) {
this.container.scrollTop(offsetTop - this.options.maxHeight + 25);
}
this.el.val(this.getValue(this.suggestions[i]));
},
onSelect: function(i) {
var me, fn, s, d;
me = this;
fn = me.options.onSelect;
s = me.suggestions[i];
d = me.data[i];
me.el.val(me.getValue(s));
if ($.isFunction(fn)) { fn(s, d, me.el); }
},
getValue: function(value){
var del, currVal, arr, me;
me = this;
del = me.options.delimiter;
if (!del) { return value; }
currVal = me.currentValue;
arr = currVal.split(del);
if (arr.length === 1) { return value; }
return currVal.substr(0, currVal.length - arr[arr.length - 1].length) + value;
}
};
}(jQuery));

View File

@ -7,6 +7,7 @@ var beathaven = {
init: function () {
this.drawInterface();
this.adjustSizes();
load404Page();
},
drawInterface: function() {
},

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@ -15,11 +15,12 @@ var Pages = {
var albums_info = $('<div class="albums"></div>');
$.each(data.albums, function(i, album){
if (album.year != null) {
var album_info = $('\
<div class="album">\
<h2 class="name">'+ album.name +' ('+ album.year +')</h2>\
<div class="pic">\
<img src="'+ album.pic +'" alt="'+ album.name +' by '+ data.artist.name +'" width="250" />\
<img src="'+ album.pic +'" alt="'+ album.name +' by '+ data.artist.name +'" width="250" height="250"/>\
<div class="add-album-button-container">\
<div class="add-album button gray">Add to Now Playing</div>\
</div>\
@ -47,6 +48,7 @@ var Pages = {
});
$(albums_info).append(album_info);
}
})
$('#data-container').html('').append(artist_info).append(albums_info).scrollbar();

View File

@ -1,8 +1,24 @@
function authInfo(response) {
if (typeof response != 'undefined' && response.session) {
$('#vk_login').hide();
$('#vk_logout').show();
} else {
$('#vk_login').show();
$('#vk_logout').hide();
}
}
$(function(){
VK.init({
apiId: 2335068,
nameTransportPath: "/demo/xd_receiver.html"
});
VK.Auth.getLoginStatus(authInfo);
$('#vk_login').click(function(){
VK.Auth.login(authInfo, 8);
});
$('#vk_logout').click(function(){
VK.Auth.logout(authInfo);
});
})
function loadTracksData(query, callback) {

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View File

@ -28,6 +28,10 @@
font-weight: bold;
margin-right: 12px;
}
#navigation li a {
color: inherit;
text-decoration: inherit;
}
.button {
display: inline;
width: auto;
@ -42,6 +46,9 @@
border-color: #DDD;
}
#vk_login, #vk_logout {
display: none;
}
.scrollbar-pane {
margin-right: 8px;
@ -65,6 +72,55 @@
background: #AAA;
}
#search-container {
width: 100%;
text-align: center;
margin-top: 50px;
}
#search-container #search_field {
width: 300px;
font-size: 24px;
padding: 4px;
border: #CCC 1px solid;
border-radius: 3px;
}
#search-container #search_button {
width: 100px;
font-size: 24px;
padding: 4px;
background-color: #DDD;
border: #CCC 1px solid;
border-radius: 3px;
}
.autocomplete {
margin: 4px 0 0 -1px;
}
.autocomplete div {
font-size: 24px;
padding: 6px 5px;
background-color: #FAFAFA;
margin-bottom: 1px;
}
.autocomplete div.selected {
background-color: #EAEAEA;
}
#error_page {
position: absolute;
width: 600px;
text-align: center;
top: 100px;
left: 50%;
margin-left: -600px;
}
#error_page h1 {
font-size: 150px;
}
#error_page span {
font-size: 24px;
}
/* Colorizing *
#player-container { background-color: #CFC; }
#data-container { background-color: #CCF; }