MediaWiki:Cycle11.js: Difference between revisions

Revision as of 20:12, 10 January 2022

// DOM objects
let st = document.querySelector("#sharetable tbody");

// Only do the rest if the sharetable exists
if (st) {
	// This block gets the total amount of shares for each rule
	var totals = [];
	// Loop over the number of columns in the first row (should never be greater
	// than number of rows in table)
	for (let i = 1; i < st.children[0].children.length; i++) {
		let total = 0;
		for (let row of st.children) {
			// Skip over anything that doesn't look like a number (i.e. headings)
			if (!isNaN(row.children[i].innerText)) {
			  total += parseInt(row.children[i].innerText);
			}
		}
		totals.push(total);
		
		// Code to generate a hover-over indication of percentages.
		for (let row of st.children) {
    		let ch = row.children[i];
			if (!isNaN(ch.innerText)) {
        		let percent = parseInt(ch.innerText) / total;
        		let majority = percent > 0.5;
        		let minority = majority ? false : percent >= 0.1;
				ch.setAttribute(
        			"title",
        			// hacky way to round to two decimal points
        			// because the right way is worse
        			((percent * 10000) | 0) / 100 + "%" + (majority ? " (majority)" : minority ? " (minority)" : "")
    			);
        
        		if (majority) {
        			ch.innerHTML = `<b><u>${ch.innerText}</u></b>`;
        		}
        		
        		if (minority) {
        			ch.innerHTML = `<b>${ch.innerText}</b>`;
        		}
			}
		}
	}
	
	// Construct a new row to contain totals for each rule.
	let newRow = document.createElement("tr");
	let totalLabel = document.createElement("th");
	totalLabel.innerText = "Total";
	newRow.appendChild(totalLabel);
	for (let total of totals) {
		let newEle = document.createElement("th");
		newEle.innerText = total;
		newEle.style = "text-align: left;";
		newRow.appendChild(newEle);
	}
	// Append this row to the share table.
	st.appendChild(newRow);
}