CF-rating-chart-patch

Some modification to make Codeforces rating chart better

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         CF-rating-chart-patch
// @version      0.1.0
// @description  Some modification to make Codeforces rating chart better
// @match        *://codeforces.com/profile/*
// @grant        none
// @run-at       document-start
// @namespace https://greasyfork.org/users/410786
// ==/UserScript==
 
const oldCode = String.raw`
    grid: { hoverable: true, markings: markings }
};

var plot = $.plot($("#placeholder"), datas, options);

function showTooltip(x, y, contents) {
    $('<div id="tooltip">' + contents + '</div>').css( {
        position: 'absolute',
        display: 'none',
        top: y - 20,
        left: x + 10,
        border: '1px solid #fdd',
        padding: '2px',
        'font-size' : '11px',
        'background-color': '#fee',
        opacity: 0.80
    }).appendTo("body").fadeIn(200);
}

var ctx = plot.getCanvas().getContext("2d");

var prev = -1;
$("#placeholder").bind("plothover", function (event, pos, item) {
    if (item) {
        if (prev != item.dataIndex) {
            $("#tooltip").remove();
            var params = data[item.seriesIndex][item.dataIndex];

            var total = params[1];
            var change = params[5] > 0 ? "+" + params[5] : params[5];
            var contestName = params[11];
            var contestId = params[2];
            var contestUrl = params[7];
            var rank = params[6];
            var title = params[8];
            var html = "= " + total + " (" + change + "), " + title + "<br/>"
                            + "Rank: " + rank + "<br/>"
                            + "<a href='" + contestUrl + "'>" + contestName + "</a>";
            if (change > 0)
                html += "<br/><a style='font-weight: bold;' href=\"/bestRatingChanges/" + params[10] + "\">Share it!</a>";
            showTooltip(item.pageX, item.pageY, html);
            setTimeout(function () {
                $("#tooltip").fadeOut(200);
                prev = -1;
            }, 4000);
            prev = item.dataIndex;
        }
    }
});`;

const newCode = '\ngrid: { hoverable: true, clickable: true, markings: markings } };' + (function(){
	// NOTE: toString does not work 100% of the time. Use String.raw instead if it doesn't work.
	var plot = $.plot($("#placeholder"), datas, options);

	function showTooltip(x, y, contents) {
		$('<div id="tooltip">' + contents + '</div>').css( {
			position: 'absolute',
			display: 'none',
			top: y - 20,
			left: x,
			border: '1px solid #fdd',
			padding: '2px',
			'font-size' : '11px',
			'background-color': '#fee',
			opacity: 0.80
		}).appendTo("body").fadeIn(200);
	}

	var ctx = plot.getCanvas().getContext("2d");

	$("#placeholder").bind("plotclick", function (event, pos, item) {
		if (item) {
			var params = data[item.seriesIndex][item.dataIndex];

			var total = params[1];
			var change = params[5] > 0 ? "+" + params[5] : params[5];
			var contestName = params[11];
			var contestId = params[2];
			var contestUrl = params[7];
			var rank = params[6];
			var title = params[8];

			window.open(contestUrl)
		}
	});

	var prev = -1;
	var tooltipFadeoutTimeoutId = null;

	function clearTooltipFadeout () {
		if (tooltipFadeoutTimeoutId !== null)
			clearTimeout(tooltipFadeoutTimeoutId);
	}

	function tooltipFadeout () {
		$("#tooltip").fadeOut(200);
		prev = -1;
		tooltipFadeoutTimeoutId = null;
	}

	document.addEventListener('click', function (event) {
		if (event.target.id !== 'tooltip')
			tooltipFadeout();
	});

	function setTooltipFadeout () {
		clearTooltipFadeout();
		tooltipFadeoutTimeoutId = setTimeout(tooltipFadeout, 4000);
	}

	$("#placeholder").bind("plothover", function (event, pos, item) {
		if (item) {
			if (prev != item.dataIndex) {
				$("#tooltip").remove();
				var params = data[item.seriesIndex][item.dataIndex];

				var total = params[1];
				var change = params[5] > 0 ? "+" + params[5] : params[5];
				var contestName = params[11];
				var contestId = params[2];
				var contestUrl = params[7];
				var rank = params[6];
				var title = params[8];
				var html = "= " + total + " (" + change + "), " + title + "<br/>"
								+ "Rank: " + rank + "<br/>"
								+ "<a href='" + contestUrl + "'>" + contestName + "</a>";
				if (change > 0)
					html += "<br/><a style='font-weight: bold;' href=\"/bestRatingChanges/" + params[10] + "\">Share it!</a>";
				showTooltip(item.pageX, item.pageY, html);
				prev = item.dataIndex;

				$("#tooltip").bind("mouseenter", clearTooltipFadeout).bind("mouseleave", setTooltipFadeout);
			}
		} else {
			setTooltipFadeout();
		}
	}).bind("mouseleave", setTooltipFadeout);
	// this will always work because mouseleave of placeholder is fired before
	// mouseenter of tooltip (stackoverflow.com/q/10011493)

}).toString().replace(/}$/,'').replace(/^function.*?(\s*)\s*{/,'')


var script_modified = false;
new MutationObserver(function(mutations, observer){
	for (let r of mutations){
		let t=r.target
		if(t.tagName==='SCRIPT'){
			var ind = t.innerHTML.indexOf(oldCode);
			if (ind >= 0) {
				t.innerHTML = t.innerHTML.substr(0, ind) + newCode + t.innerHTML.substr(ind+oldCode.length)
				observer.disconnect();
				script_modified = true;
				console.log('CF script modified')
				return;
			}
		}
	}
}).observe(document,{
	childList:true,
	subtree:true,
});

window.addEventListener('load', function(){
	if (!script_modified)
		console.log('NOTE: script is not working')
})