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impress/public/javascripts/items/show.js

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JavaScript
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var PREVIEW_SWF_ID = 'item-preview-swf',
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PREVIEW_SWF = document.getElementById(PREVIEW_SWF_ID),
IMPRESS_HOST = PREVIEW_SWF.getAttribute('data-impress-host'),
speciesList = $('#item-preview a'),
MainWardrobe;
if(console === undefined || console.log === undefined) {
function log() {}
} else {
log = $.proxy(console, 'log');
}
String.prototype.capitalize = function () {
return this.charAt(0).toUpperCase() + this.substr(1);
}
String.prototype.article = function () {
return 'aeiou'.indexOf(this.charAt(0).toLowerCase()) == -1 ? 'a' : 'an'
}
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function impressUrl(path) {
return 'http://' + IMPRESS_HOST + path;
}
function LoadError(base_msg) {
this.render = function (args) {
var msg = base_msg, token, article_token;
for(var i in args) {
token = "$" + i;
article_token = token + "_article";
if(msg.indexOf(article_token) != -1) {
msg = msg.replace(article_token, args[i].article());
}
msg = msg.replace(token, args[i]);
}
return "Whoops - we've never seen " + msg + " before! If you have, please " +
"<a href='http://" + IMPRESS_HOST + "'>submit that pet's name</a> as soon as you " +
"get the chance! Thanks!";
}
}
function PetType() {
var pet_type = this, loaded_data = false, loaded_assets = false;
this.activated = true;
this.assets = true;
this.deactivate = function (error, args) {
var msg;
this.activated = false;
if(typeof args == 'undefined') args = {};
args.color = this.color_name.capitalize();
args.species = this.species_name.capitalize();
this.deactivation_msg = error.render(args);
if(this == PetType.current) showDeactivationMsg();
var img = this.link.children('img').get(0);
this.link.addClass('deactivated');
img.src = img.src.replace('/1/', '/2/');
}
this.load = function () {
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Item.current.load(this);
loadAssets();
}
this.setAsCurrent = function () {
PetType.current = this;
speciesList.filter('.current').removeClass('current');
this.link.addClass('current');
if(this.activated) {
Preview.enable();
this.load();
} else {
showDeactivationMsg();
}
}
this.onUpdate = function () {
if(pet_type == PetType.current) Preview.update()
}
function loadAssets() {
if(loaded_assets) {
pet_type.onUpdate();
} else {
$.getJSON('/pet_types/' + pet_type.id + '/swf_assets.json', function (assets) {
pet_type.assets = assets;
loaded_assets = true;
pet_type.onUpdate();
});
}
}
function showDeactivationMsg() {
Preview.disable(pet_type.deactivation_msg);
}
}
PetType.all = [];
PetType.all.load = function () {
var body_ids = $.map(PetType.all, function (pt) { return pt.body_id });
$.getJSON(Item.current.assets_url_base, {body_id: body_ids}, function (assets_by_body_id) {
$.each(PetType.all, function () {
var assets = assets_by_body_id[this.body_id] || [];
Item.current.setAssetsForPetType(assets, this);
});
});
}
PetType.LOAD_ERROR = new LoadError("$color_article $color $species");
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PetType.DASH_REGEX = /-/g;
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PetType.createFromLink = function (link) {
var pet_type = new PetType();
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$.each(link.get(0).attributes, function () {
if(this.name.substr(0, 5) == 'data-') {
pet_type[this.name.substr(5).replace(PetType.DASH_REGEX, '_')] = this.value;
}
});
pet_type.link = link;
PetType.all.push(pet_type);
return pet_type;
}
function Item(id) {
this.assets_by_body_id = {};
this.assets_url_base = '/' + id + '/swf_assets.json';
this.load = function (pet_type) {
var url = this.assets_url_base + '?body_id=' + pet_type.body_id,
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item = this;
if(this.getAssetsForPetType(pet_type).length) {
pet_type.onUpdate();
} else {
$.getJSON(url, function (data) {
item.setAssetsForPetType(data, pet_type);
});
}
}
this.getAssetsForPetType = function (pet_type) {
return this.assets_by_body_id[pet_type.body_id] || [];
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}
this.setAsCurrent = function () {
Item.current = this;
}
this.setAssetsForPetType = function (assets, pet_type) {
if(assets.length) {
this.assets_by_body_id[pet_type.body_id] = assets;
pet_type.onUpdate();
} else {
pet_type.deactivate(Item.LOAD_ERROR, {
item: this.name
});
}
}
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}
Item.LOAD_ERROR = new LoadError("$species_article $species wear a $item");
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Item.createFromLocation = function () {
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var item = new Item(parseInt(document.location.pathname.substr(1))),
z = CURRENT_ITEM_ZONES_RESTRICT, zl = z.length;
item.restricted_zones = [];
for(i = 0; i < zl; i++) {
if(z.charAt(i) == '1') {
item.restricted_zones.push(i + 1);
}
}
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return item;
}
Preview = new function Preview() {
var swf_id, swf, updateWhenFlashReady = false;
this.setFlashIsReady = function () {
swf = document.getElementById(swf_id);
if(updateWhenFlashReady) this.update();
}
this.update = function (assets) {
var assets = [], asset_sources = [
PetType.current.assets,
Item.current.getAssetsForPetType(PetType.current)
];
if(swf) {
$.each(asset_sources, function () {
assets = assets.concat(this);
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});
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assets = $.grep(assets, function (asset) {
var visible = $.inArray(asset.zone_id, Item.current.restricted_zones) == -1;
if(visible) asset.local_path = asset.local_url;
return visible;
});
swf.setAssets(assets);
} else {
updateWhenFlashReady = true;
}
}
this.embed = function (id) {
swf_id = id;
swfobject.embedSWF(
impressUrl('/assets/swf/preview.swf'), // URL
id, // ID
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'100%', // width
'100%', // height
'9', // required version
impressUrl('/assets/js/swfobject/expressInstall.swf'), // express install URL
{'swf_assets_path': impressUrl('/assets')}, // flashvars
{'wmode': 'transparent', 'allowscriptaccess': 'always'} // params
);
}
this.disable = function (msg) {
$('#' + swf_id).hide();
$('#item-preview-error').html(msg).show();
}
this.enable = function () {
$('#item-preview-error').hide();
$('#' + swf_id).show();
}
}
Preview.embed(PREVIEW_SWF_ID);
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Item.createFromLocation().setAsCurrent();
Item.current.name = $('#item-name').text();
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PetType.createFromLink(speciesList.eq(Math.floor(Math.random()*speciesList.length))).setAsCurrent();
speciesList.each(function () {
var pet_type = PetType.createFromLink($(this));
$(this).click(function (e) {
e.preventDefault();
pet_type.setAsCurrent();
});
});
setTimeout(PetType.all.load, 5000);
MainWardrobe = { View: { Outfit: Preview } };