// ==UserScript==
// @name Wedata Manager
// @namespace http://endflow.net/
// @include http://wedata.net/*
// @version 0.1.0
// ==/UserScript==
// @author Yuki KODAMA (Twitter: kuy, Skype: netkuy)
// @history [2009-05-05] 0.1.0 first version
(function(){
// Description {{{
// This script consists of some components:
// [Boot] launch the component by matching URL
// [Wedata] Wedata API wrapper (supports a part of API) and the management of API key
// [Item] component for item page: http://wedata.net/items/28198
// [ItemList] component for item list page: http://wedata.net/databases/siteimage/items
// }}}
// Config {{{
var cfg = {
apikey: '', // set your API key of Wedata if you need
prompt: false, // allows to ask API key with prompt dialog if not found
xhr: true // allows to get API key automatically using XMLHttpRequest
}
// }}}
// Boot {{{
var Boot = function(){
console.log('Boot#new');
this.comp = {
Item: /^http:\/\/wedata\.net\/items\/\d+$/,
ItemList: /^http:\/\/wedata\.net\/databases\/[^\/]+\/items(\?page\=\d+|\?query\=\w*)?$/
};
}
Boot.prototype.init = function(){
console.log('Boot#init');
var url = location.href.toString();
for(var name in this.comp){
if(this.comp[name].test(url)){
var c = eval('new ' + name + '()');
c.init();
return;
}
}
console.log('Boot#init: no matches');
}
// }}}
// Wedata {{{
var Wedata = function(){
this.base = 'http://wedata.net';
this.login = false;
this.user = '';
this.ready = false;
this.apikey = '';
}
Wedata.prototype.METHOD = {
INVALID: 0, SCRIPT: 1, PREF: 2, XHR: 3, PROMPT: 4
}
Wedata.prototype.init = function(callback, thisObj){
this._getLoginStatus(function(){
console.log('Wedata#init: login: ' + this.login);
this._getAPIKey(function(){
console.log('Wedata#init: apikey: ' + this.apikey);
callback.call(thisObj);
}, this);
}, this);
}
Wedata.prototype.isLogin = function(){
return this.login;
}
Wedata.prototype._getLoginStatus = function(callback, thisObj){
var scope = this;
var xhr = this._newXHR('GET', '/authentication/info');
xhr.onreadystatechange = function(){
if(xhr.readyState != 4) return;
if(xhr.status == 200){
if(xhr.responseText.indexOf('>Logout<') != -1){
scope.user = xhr.responseText.match(/<a href\="\/users\/([^"]+)">/)[1];
if(scope.user.length !== 0)
scope.login = true;
}else if(xhr.responseText.indexOf('>Login<') == -1)
console.log('Wedata#_getLoginStatus: unknown response: ' + xhr.responseText);
}else
console.log('Wedata#_getLoginStatus: failed to load login status: ' + xhr.status);
callback.call(thisObj);
}
xhr.send(null);
}
Wedata.prototype.isReady = function(){
return this.ready;
}
Wedata.prototype._getAPIKey = function(callback, thisObj){
var current = this.METHOD.SCRIPT;
var method = this._getMethod(current);
console.log('Wedata#_getAPIKey: try: ' + current);
method.call(this, function(key){
console.log('Wedata#_getAPIKey: result: ' + key);
if(key && key.length !== 0){
console.log('Wedata#_getAPIKey: got API key');
this.ready = true;
this.apikey = key;
callback.call(thisObj, true);
return;
}
current = this._nextMethod(current);
if(current == this.METHOD.INVALID){
console.log('Wedata#_getAPIKey: failed to get API key');
callback.call(thisObj, false);
return;
}
console.log('Wedata#_getAPIKey: try next method: ' + current);
method = this._getMethod(current);
method.call(this, arguments.callee, this);
}, this);
}
Wedata.prototype._nextMethod = function(method){
switch(method){
case this.METHOD.SCRIPT:
return this.METHOD.PREF;
case this.METHOD.PREF:
if(cfg.xhr)
return this.METHOD.XHR;
case this.METHOD.XHR:
return cfg.prompt ? this.METHOD.PROMPT : this.METHOD.INVALID;
case this.METHOD.PROMPT:
break;
default:
console.log('Wedata#_nextMethod: invalid method: ' + method);
}
return this.METHOD.INVALID;
}
Wedata.prototype._getMethod = function(method){
switch(method){
case this.METHOD.SCRIPT:
return this._getAPIKey_SCRIPT;
case this.METHOD.PREF:
return this._getAPIKey_PREF;
case this.METHOD.XHR:
return this._getAPIKey_XHR;
case this.METHOD.PROMPT:
return this._getAPIKey_PROMPT;
}
console.log('Wedata#_getMethod: invalid method: ' + method);
return function(){return ''};
}
Wedata.prototype._getAPIKey_SCRIPT = function(callback, thisObj){
if(cfg && cfg.apikey && cfg.apikey.length !== 0)
callback.call(thisObj, cfg.apikey);
callback.call(thisObj, '');
}
Wedata.prototype._getAPIKey_PREF = function(callback, thisObj){
var key = GM_getValue('apikey');
if(key && key.length !== 0)
callback.call(thisObj, key);
callback.call(thisObj, '');
}
Wedata.prototype._getAPIKey_XHR = function(callback, thisObj){
if(this.login){
this._getUserURL(function(url){
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.onreadystatechange = function(){
var key = '';
if(xhr.readyState != 4) return;
if(xhr.status == 200)
key = xhr.responseText.match(/>([0-9abcdef]{40})</)[1];
else
console.log('Wedata#_getAPIKey_XHR: failed to load the user page: ' + xhr.status);
callback.call(thisObj, key);
}
xhr.send(null);
}, this);
}else
callback.call(thisObj, '');
}
Wedata.prototype._getAPIKey_PROMPT = function(callback, thisObj){
var key = prompt('[Wedata Manager]\nPlease input your API key of Wedata.');
if(key && key.length !== 0)
callback.call(thisObj, key);
callback.call(thisObj, '');
}
Wedata.prototype.getItem = function(id, callback, thisObj){
if(!this.isReady){
console.log('Wedata#getItem: not ready');
return false;
}
var xhr = this._newXHR('GET', '/items/' + id + '.json');
xhr.onreadystatechange = function(){
if(xhr.readyState != 4) return;
if(xhr.status == 200){
var obj = eval('(' + xhr.responseText + ')');
callback && callback.call(thisObj, obj.data, obj);
}else{
console.log('Wedata#getItem: failed to get item: ' + xhr.status + ', ' + xhr.responseText);
callback && callback.call(thisObj, null);
}
}
xhr.send(null);
return true;
}
Wedata.prototype.createItem = function(db, name, data, callback, thisObj){
if(!this.isReady){
console.log('Wedata#createItem: not ready');
return false;
}
var xhr = this._newXHR('POST', '/databases/' + encodeURI(db) + '/items');
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.onreadystatechange = function(){
if(xhr.readyState != 4) return;
if(xhr.status == 201)
callback && callback.call(thisObj, true);
else{
console.log('Wedata#createItem: failed to create item: ' + xhr.status + ', ' + xhr.responseText);
callback && callback.call(thisObj, false);
}
}
var body = 'api_key=' + this.apikey + '&name=' + name;
for(var k in data){
body += '&data[' + k + ']=' + data[k];
}
xhr.send(encodeURI(body));
return true;
}
Wedata.prototype.deleteItem = function(id, callback, thisObj){
if(!this.isReady){
console.log('Wedata#deleteItem: not ready');
return false;
}
var xhr = this._newXHR('DELETE', '/items/' + id);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.onreadystatechange = function(){
if(xhr.readyState != 4) return;
if(xhr.status == 200)
callback && callback.call(thisObj, true);
else{
console.log('Wedata#deleteItem: failed to delete item: ' + xhr.status + ', ' + xhr.responseText);
callback && callback.call(thisObj, false);
}
}
xhr.send('api_key=' + this.apikey);
return true;
}
Wedata.prototype.duplicateItem = function(id, callback, thisObj){
if(!this.isReady){
console.log('Wedata#duplicateItem: not ready');
return false;
}
this.getItem(id, function(res1, info){
if(res1 != null){
var tokens = info.database_resource_url.split('/');
var db = decodeURI(tokens[tokens.length - 1]);
console.log('Wedata#duplicateItem: ' + this.createItem(db,
'Copy of ' + info.name, res1, function(res2){
console.log('Wedata#duplicateItem: ' + res2);
callback && callback.call(thisObj, res2);
}, this));
}else{
console.log('Wedata#duplicateItem: failed to get item');
callback && callback.call(thisObj, false);
}
}, this);
return true;
}
Wedata.prototype._newXHR = function(method, rel, async){
async = (arguments.length == 2) ? true : async;
var xhr = new XMLHttpRequest();
xhr.open(method, this.base + rel, async);
return xhr;
}
Wedata.prototype._getUserURL = function(callback, thisObj, remain){
remain = remain || 10;
var links = $x('id("menu")/li[3]/a');
if(links && 0 < links.length)
callback && callback.call(thisObj, links[0].href);
else{
console.log('Wedata#_getUserURL: failed to get user URL: remain: ' + remain);
if(remain == 0)
callback && callback.call(thisObj, '');
else{
var scope = this;
var callee = arguments.callee;
setTimeout(function(){
callee.call(scope, callback, thisObj, remain - 1);
}, 100);
}
}
}
// }}}
// Item {{{
var Item = function(){
console.log('Item#new');
}
Item.prototype.init = function(){
console.log('Item#init');
var back = $x('id("content")/p/a')[0];
var p = back.parentNode;
var links = $n('ul', {className: 'links'}, [
$n('li', null, [
p.removeChild(back),
]),
$n('li', null, [
$n('a', {href: back.href + '/new', innerHTML: 'Create New Item'})
])
]);
p.appendChild(links);
}
// }}}
// ItemList {{{
var ItemList = function(){
console.log('ItemList#new');
this.wd = new Wedata();
}
ItemList.prototype.init = function(){
console.log('ItemList#init');
this.wd.init(function(){
// Define some functions to webpage context for operation links
var scope = this;
unsafeWindow.wdmgr_delete = function(id){
setTimeout(function(){
scope.wd.deleteItem(id, location.reload, location)
}, 0);
}
unsafeWindow.wdmgr_duplicate = function(id){
setTimeout(function(){
scope.wd.duplicateItem(id, location.reload, location)
}, 0);
}
// UI modification
var c = function(n){return 'contains(concat(" ",@class," ")," '+n+' ")'};
$x('id("content")/ul['+c('items')+']/li['+c('item')+']/div/a['+c('entry-title')+']').forEach(function(a){
var tokens = a.href.split('/');
var id = parseInt(tokens[tokens.length - 1]);
var jumpto = scope.wd.isLogin() ? '' : '/login';
var del_onclick = 'wdmgr_delete(' + id + ');return false';
var dup_onclick = 'wdmgr_duplicate(' + id + ');return false';
if(!scope.wd.isLogin()){
jump = '/login';
del_onclick = '';
dup_onclick = '';
}
a.parentNode.appendChild($n('ul', {style: 'display: inline; padding-left: 32px;', className: 'links'}, [
$n('li', null, [$n('a', {innerHTML: 'Edit', href: a.href + '/edit'})]),
$n('li', null, [$n('a', {innerHTML: 'Delete', href: jumpto, onclick: del_onclick})]),
$n('li', null, [$n('a', {innerHTML: 'Duplicate', href: jumpto, onclick: dup_onclick})])
]));
});
}, this);
}
// }}}
// Main {{{
var boot = new Boot();
boot.init();
// }}}
// Utils {{{
function $x(x,c){c=c||document;var res=document.evaluate(x,c,null,4,null);
for(var i,nodes=[];i=res.iterateNext();nodes.push(i));return nodes}
function $n(t,o,c){var e = document.createElement(t);if(o){for(var k in o){
if(k=='style'||k=='onclick'){e.setAttribute(k,o[k])}else{e[k]=o[k]}}
}if(c){c.forEach(function(ch){e.appendChild(ch)})}return e}
// }}}
})();
// vim: set fdm=marker sw=4 ts=4 et:
