// ==UserScript==
// @name        GN_EcostatFindPossiblePlaceForResourceSale
// @namespace   Gradient
// @description Поиск предприятий, которые могут купить ресурсы
// @include     /^https{0,1}:\/\/(www\.heroeswm\.ru|178\.248\.235\.15)\/ecostat_details\.php\?id=(1|2|3|4|5|6|8|77|80|11|55|10|81|9)/
// @version     1.0.2
// ==/UserScript==
"use strict";
//----------------------------------------------------------------------------//
var script_name = 'GN_EcostatFindPossiblePlaceForResourceSale'; // Enter your script name here
//----------------------------------------------------------------------------//
(function(){ try{ // wrapper start
//----------------------------------------------------------------------------//
var do_work = true;
var current_res = '';
start_work();
//----------------------------------------------------------------------------//
function start_work(){
var trs = document.querySelectorAll('table > tbody > tr > td[width="50%"][valign="top"]');
if(trs.length != 2)
throw new Error('Incorrect resource table view');
draw_buttons(trs[1]);
}
//----------------------------------------------------------------------------//
function draw_buttons(parent){
var input = document.createElement('input');
input.type  = 'button';
input.value = 'Считать данные';
var matches = /.+"(.+?)".+/.exec(parent.firstChild.data);
if(!matches)
throw new Error('No matches');
current_res = matches[1];
input.addEventListener('click', function(e){
do_work = true;
fill_content(parent);
});
parent.insertBefore(input, parent.firstChild.nextSibling);
parent.insertBefore(document.createElement('br'), input);
var stopper = document.createElement('input');
stopper.type  = 'button';
stopper.value = 'Остановить работу';
stopper.addEventListener('click', function(e){
do_work = false;
});
parent.insertBefore(stopper, input.nextSibling);
}
//----------------------------------------------------------------------------//
function fill_content(parent){
var header_tr = parent.querySelector('table > tbody > tr');
if(!header_tr)
throw 'Header not found';
clear_old(parent);
var header = header_tr.lastChild.cloneNode(true);
header.firstChild.textContent = 'Кол-во';
header_tr.appendChild(header);
var trs = header_tr.parentNode.querySelectorAll('tr.wb');
if(!trs.length)
return;
insert_tr(trs[0]);
}
//----------------------------------------------------------------------------//
function clear_old(parent){
var trs = parent.querySelectorAll('table > tbody > tr');
for(var i = 0, e = trs.length; i < e; ++i)
while(trs[i].childNodes.length > 3)
trs[i].removeChild(trs[i].lastChild);
}
//----------------------------------------------------------------------------//
function insert_tr(tr){
var url = tr.firstChild.querySelector('a[href*="object-info.php?id="]');
var clone = tr.lastChild.cloneNode(false);
clone.textContent = '';
tr.appendChild(clone);
fill_tr(url, tr);
}
//----------------------------------------------------------------------------//
function fill_tr(url, element)
{
if(!element || !do_work)
return;
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.overrideMimeType('text/plain; charset=windows-1251');
xhr.onreadystatechange = function(){
if(xhr.readyState == 4){
if(xhr.status == 200){
var count = get_resource_count(xhr.responseText);
element.lastChild.textContent = count;
if(count == 'Error')
element.lastChild.style.backgroundColor = 'red';
else if(count >= 1)
element.lastChild.style.backgroundColor = 'lightgreen';
insert_tr(element.nextSibling);
}
}
};
xhr.send(null);
}
//----------------------------------------------------------------------------//
function get_resource_count(response){
var re = new RegExp('<tr align=center class=wblight><td align=left class=wb>.+?' + current_res + '</td>.+?>(<font color=red>)*?([0-9\\.]+?)(</font>)*?\\s/\\s([0-9\\.]+?)</td>', 'gmi');
var matches = re.exec(response);
return matches ? (+matches[4] - +matches[2]).toFixed(2) : 'Error';
}
//----------------------------------------------------------------------------//
} catch(e){
alert('Ошибка в скрипте ' + script_name + ', обратитесь к разработчику:\n' + e);
throw e;
}}()); // wrapper end
//----------------------------------------------------------------------------//