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impress/public/javascripts/closet_hangers/index.js

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JavaScript

(function () {
var hangersInitCallbacks = [];
function onHangersInit(callback) {
hangersInitCallbacks[hangersInitCallbacks.length] = callback;
}
function hangersInit() {
for(var i = 0; i < hangersInitCallbacks.length; i++) {
hangersInitCallbacks[i]();
}
}
/*
Hanger groups
*/
var hangerGroups = [];
$('div.closet-hangers-group').each(function () {
var el = $(this);
var lists = [];
el.find('div.closet-list').each(function () {
var el = $(this);
var id = el.attr('data-id');
if(id) {
lists[lists.length] = {
id: parseInt(id, 10),
label: el.find('h4').text()
}
}
});
hangerGroups[hangerGroups.length] = {
label: el.find('h3').text(),
lists: lists,
owned: (el.attr('data-owned') == 'true')
};
});
$('div.closet-hangers-group span.toggle').live('click', function () {
$(this).closest('.closet-hangers-group').toggleClass('hidden');
});
/*
Hanger forms
*/
$.fn.liveDraggable = function (opts) {
this.live("mouseover", function() {
if (!$(this).data("init")) {
$(this).data("init", true).draggable(opts);
}
});
};
var body = $(document.body).addClass("js");
if(!body.hasClass("current-user")) return false;
var hangersElQuery = '#closet-hangers';
var hangersEl = $(hangersElQuery);
$.fn.disableForms = function () {
return this.data("formsDisabled", true).find("input").attr("disabled", "disabled").end();
}
$.fn.enableForms = function () {
return this.data("formsDisabled", false).find("input").removeAttr("disabled").end();
}
$.fn.hasChanged = function () {
return this.attr('data-previous-value') != this.val();
}
$.fn.revertValue = function () {
return this.each(function () {
var el = $(this);
el.val(el.attr('data-previous-value'));
});
}
$.fn.storeValue = function () {
return this.each(function () {
var el = $(this);
el.attr('data-previous-value', el.val());
});
}
$.fn.insertIntoSortedList = function (list, compare) {
var newChild = this, inserted = false;
list.children().each(function () {
if(compare(newChild, $(this)) < 1) {
newChild.insertBefore(this);
inserted = true;
return false;
}
});
if(!inserted) newChild.appendTo(list);
return this;
}
function handleSaveError(xhr, action) {
try {
var data = $.parseJSON(xhr.responseText);
} catch(e) {
var data = {};
}
if(typeof data.errors != 'undefined') {
$.jGrowl("Error " + action + ": " + data.errors.join(", "));
} else {
$.jGrowl("We had trouble " + action + " just now. Try again?");
}
}
function objectRemoved(objectWrapper) {
objectWrapper.hide(250);
}
function compareItemsByName(a, b) {
return a.find('span.name').text().localeCompare(b.find('span.name').text());
}
function moveItemToList(item, listId) {
if(listId) {
var list = $('#closet-list-' + listId);
} else {
var list = item.closest('.closet-hangers-group').find('div.closet-list.unlisted');
}
var hangersWrapper = list.find('div.closet-list-hangers');
item.insertIntoSortedList(hangersWrapper, compareItemsByName);
}
function submitUpdateForm(form) {
if(form.data('loading')) return false;
var quantityEl = form.children("input[name=closet_hanger\[quantity\]]");
var listEl = form.children("input[name=closet_hanger\[list_id\]]");
var listChanged = listEl.hasChanged();
if(listChanged || quantityEl.hasChanged()) {
var objectWrapper = form.closest(".object").addClass("loading");
var newQuantity = quantityEl.val();
var quantitySpan = objectWrapper.find(".quantity span").text(newQuantity);
quantitySpan.parent().attr('class', 'quantity quantity-' + newQuantity);
var data = form.serialize(); // get data before disabling inputs
objectWrapper.disableForms();
form.data('loading', true);
if(listChanged) moveItemToList(objectWrapper, listEl.val());
$.ajax({
url: form.attr("action") + ".json",
type: "post",
data: data,
dataType: "json",
complete: function (data) {
if(quantityEl.val() == 0) {
objectRemoved(objectWrapper);
} else {
objectWrapper.removeClass("loading").enableForms();
}
form.data('loading', false);
},
success: function () {
quantityEl.storeValue();
listEl.storeValue();
},
error: function (xhr) {
quantityEl.revertValue();
listEl.revertValue();
if(listChanged) moveItemToList(objectWrapper, listEl.val());
quantitySpan.text(quantityEl.val());
handleSaveError(xhr, "updating the quantity");
}
});
}
}
$(hangersElQuery + ' form.closet-hanger-update').live('submit', function (e) {
e.preventDefault();
submitUpdateForm($(this));
});
function editableInputs() { return $(hangersElQuery).find('input[name=closet_hanger\[quantity\]], input[name=closet_hanger\[list_id\]]') }
$(hangersElQuery + 'input[name=closet_hanger\[quantity\]]').live('change', function () {
submitUpdateForm($(this).parent());
}).storeValue();
onHangersInit(function () {
editableInputs().storeValue();
});
$(hangersElQuery + ' div.object').live('mouseleave', function () {
submitUpdateForm($(this).find('form.closet-hanger-update'));
}).liveDraggable({
appendTo: '#closet-hangers',
distance: 20,
helper: "clone",
revert: "invalid"
});
$(hangersElQuery + " form.closet-hanger-destroy").live("submit", function (e) {
e.preventDefault();
var form = $(this);
var button = form.children("input[type=submit]").val("Removing…");
var objectWrapper = form.closest(".object").addClass("loading");
var data = form.serialize(); // get data before disabling inputs
objectWrapper.addClass("loading").disableForms();
$.ajax({
url: form.attr("action") + ".json",
type: "post",
data: data,
dataType: "json",
complete: function () {
button.val("Remove");
},
success: function () {
objectRemoved(objectWrapper);
},
error: function () {
objectWrapper.removeClass("loading").enableForms();
$.jGrowl("Error removing item. Try again?");
}
});
});
/*
Search, autocomplete
*/
$('input, textarea').placeholder();
var itemsSearchForm = $("#closet-hangers-items-search[data-current-user-id]");
var itemsSearchField = itemsSearchForm.children("input[name=q]");
itemsSearchField.autocomplete({
select: function (e, ui) {
if(ui.item.is_item) {
// Let the autocompleter finish up this search before starting a new one
setTimeout(function () { itemsSearchField.autocomplete("search", ui.item) }, 0);
} else {
var item = ui.item.item;
var group = ui.item.group;
itemsSearchField.addClass("loading");
var closetHanger = {
owned: group.owned,
list_id: ui.item.list ? ui.item.list.id : ''
};
if(!item.hangerInGroup) closetHanger.quantity = 1;
$.ajax({
url: "/user/" + itemsSearchForm.data("current-user-id") + "/items/" + item.id + "/closet_hanger",
type: "post",
data: {closet_hanger: closetHanger, return_to: window.location.pathname + window.location.search},
complete: function () {
itemsSearchField.removeClass("loading");
},
success: function (html) {
var doc = $(html);
hangersEl.html( doc.find('#closet-hangers').html() );
hangersInit();
doc.find('.flash').hide().insertBefore(hangersEl).show(500).delay(5000).hide(250);
itemsSearchField.val("");
},
error: function (xhr) {
handleSaveError(xhr, "adding the item");
}
});
}
},
source: function (input, callback) {
if(typeof input.term == 'string') { // user-typed query
$.getJSON("/items.json?q=" + input.term, function (data) {
var output = [];
var items = data.items;
for(var i in items) {
items[i].label = items[i].name;
items[i].is_item = true;
output[output.length] = items[i];
}
callback(output);
});
} else { // item was chosen, now choose a group to insert
var groupInserts = [], group;
var item = input.term, itemEl, hangerInGroup, currentListId;
for(var i in hangerGroups) {
group = hangerGroups[i];
itemEl = $('div.closet-hangers-group[data-owned=' + group.owned + '] div.object[data-item-id=' + item.id + ']');
hangerInGroup = itemEl.length > 0;
currentListId = itemEl.closest('.closet-list').attr('data-id');
groupInserts[groupInserts.length] = {
group: group,
item: item,
label: item.label,
hangerInGroup: hangerInGroup,
hangerInList: !!currentListId
}
for(var i = 0; i < group.lists.length; i++) {
groupInserts[groupInserts.length] = {
group: group,
item: item,
label: item.label,
list: group.lists[i],
hangerInGroup: hangerInGroup,
currentListId: currentListId
}
}
}
callback(groupInserts);
}
}
});
var autocompleter = itemsSearchField.data("autocomplete");
autocompleter._renderItem = function( ul, item ) {
var li = $("<li></li>").data("item.autocomplete", item);
if(item.is_item) { // these are items from the server
li.append("<a>Add <strong>" + item.label + "</strong>");
} else if(item.list) { // these are list inserts
if(item.hangerInGroup) {
if(item.currentListId == item.list.id) {
li.append("<span>It's in <strong>" + item.list.label + "</strong> now");
} else {
li.append("<a>Move to <strong>" + item.list.label + "</strong>");
}
} else {
li.append("<a>Add to <strong>" + item.list.label + "</strong>");
}
li.addClass("closet-list-autocomplete-item");
} else { // these are group inserts
if(item.hangerInGroup) {
var groupName = item.group.label;
if(item.hangerInList) {
li.append("<a>Move to <strong>" + groupName.replace(/\s+$/, '') + "</strong>, no list");
} else {
li.append("<span>It's in <strong>" + groupName + "</strong> now");
}
} else {
li.append("<a>Add to <strong>" + item.group.label + "</strong>");
}
li.addClass('closet-hangers-group-autocomplete-item');
}
return li.appendTo(ul);
}
/*
Contact Neopets username form
*/
var contactEl = $('#closet-hangers-contact');
var editContactLink = $('.edit-contact-link');
var contactForm = contactEl.children('form');
var cancelContactLink = $('#cancel-contact-link');
var contactFormUsername = contactForm.children('input[type=text]');
var editContactLinkUsername = $('#contact-link-has-value span');
function closeContactForm() {
contactEl.removeClass('editing');
}
editContactLink.click(function () {
contactEl.addClass('editing');
contactFormUsername.focus();
});
cancelContactLink.click(closeContactForm);
contactForm.submit(function (e) {
var data = contactForm.serialize();
contactForm.disableForms();
$.ajax({
url: contactForm.attr('action') + '.json',
type: 'post',
data: data,
dataType: 'json',
complete: function () {
contactForm.enableForms();
},
success: function () {
var newName = contactFormUsername.val();
if(newName.length > 0) {
editContactLink.addClass('has-value');
editContactLinkUsername.text(newName);
} else {
editContactLink.removeClass('has-value');
}
closeContactForm();
},
error: function (xhr) {
handleSaveError(xhr, 'saving Neopets username');
}
});
e.preventDefault();
});
/*
Hanger list controls
*/
$('input[type=submit][data-confirm]').live('click', function (e) {
if(!confirm(this.getAttribute('data-confirm'))) e.preventDefault();
});
/*
Closet list droppable
*/
onHangersInit(function () {
$('.closet-hangers-group').each(function () {
var group = $(this);
group.find('div.closet-list').droppable({
accept: '#' + group.attr('id') + ' div.object',
activate: function () {
$(this).find('.closet-list-hangers').animate({opacity: 0, height: 100}, 250);
},
activeClass: 'droppable-active',
deactivate: function () {
$(this).find('.closet-list-hangers').css('height', 'auto').animate({opacity: 1}, 250);
},
drop: function (e, ui) {
var form = ui.draggable.find('form.closet-hanger-update');
form.find('input[name=closet_hanger\[list_id\]]').val(this.getAttribute('data-id'));
submitUpdateForm(form);
}
});
});
});
/*
Initialize
*/
hangersInit();
})();