Metal Archives (discography pages) - Reviews column split and sortable tables

Splits the Reviews column into Reviews(count) and Ratings(avg) and makes tables in all discography tabs sortable.
目前為 2015-04-29 提交的版本，檢視最新版本。
安裝腳本 ?
換行
// ==UserScript==
// @name        Metal Archives (discography pages) - Reviews column split and sortable tables
// @namespace   rikkie
// @description Splits the Reviews column into Reviews(count) and Ratings(avg) and makes tables in all discography tabs sortable.
// @include     http://www.metal-archives.com/bands/*
// @version     1.3.2
// @grant       none
// @require     http://code.jquery.com/ui/1.9.1/jquery-ui.min.js
// @require     https://greasyfork.org/scripts/2199-waitforkeyelements/code/waitForKeyElements.js?version=6349
// @require     https://greasyfork.org/scripts/5844-tablesorter/code/TableSorter.js?version=21758
// 
// This userscript uses jQuery and it's plugin "tablesorter" (forked by Rob Garrison (Mottie)) http://mottie.github.io/tablesorter/docs/index.html
//
// ==/UserScript==


// STEP 1+2: SPLIT THE REVIEWS COLUMN/ADD A COLUMN             /// THE NEW FUNCTION
// It appends a column to the HTML table containing the displayed discography sub-category
function appendColumn(jNode) {
    var tbl = jNode[0]; // table reference    
    var newCell, newText;    

    const cols = tbl.rows[0].cells.length - 1;
    
    var tr = tbl.tHead.children[0],
    th = document.createElement('th');

    th.innerHTML = "Ratings(avg)";
    th.className = "ratingsCol";
    tr.appendChild(th);
    
    for (i = 1; i < tbl.rows.length; i++) {
        k = tbl.rows[i].cells[cols].innerHTML;    // Retrieve the content of the current cell of the Review column and store it to variable k
        
        re1 = /<a [^>]*>[^(]*[(]([^)]+)/ ;      // RegEx which matches only the number(and the %) inside the parentheses
        l = re1.exec(k);                        // Execute the RegEx and store it to variable l

        if (re1.test(k) !=0 ){                  // If the RegEx has matches, (only) then create each cell with the result of the RegEx
            newCell = tbl.rows[i].insertCell(-1);
            newCell.innerHTML = l[1];            
            re2 = /<a [^>]*>([0-9]*)[^(]/ ;   // RegEx which matches only the number before the parentheses
            m = re2.exec(k);                  // Execute the RegEx and store it to variable m
            newCell = tbl.rows[i].cells[cols];
            newCell.innerHTML = m[1];          
            }
        
    }    
}





//  STEP 3: MAKE THE TABLE SORTABLE  (using jQuery and it's plugin "tablesorter")
// ( based on http://mottie.github.io/tablesorter/docs/index.html#Getting-Started & http://stackoverflow.com/a/18867406/3231411 )
// It inserts these two inline scripts in the <HEAD> of the page and includes jquery on this file
function sorting(){
    $('.display.discog').tablesorter();  
}
    


// Wait for the discography table to be completely loaded, then split+append column. After that, do the same in order the table to become sortable
waitForKeyElements (".display.discog", appendColumn);    
waitForKeyElements (".ratingsCol", sorting); 

// as long as you are viewing one of the sub-tabs of DISCOGRAPHY, split+append column
do{
    waitForKeyElements (".display.discog", appendColumn);    
    waitForKeyElements (".ratingsCol", sorting);   
    // sorting();
}
while (jNode[0].parentNode ==  ('.display.discog'));