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Yog / Pardus Coords Addon

// ==UserScript==
// @name          Pardus Coords Addon
// @namespace     pardus.at
// @author        Yog
// @version       1.0
// @license       GPL-3.0-only
// @description   Adds coordinates around the Pardus navigation grid. For better visual experience you can use UserStyle "Pardus Style Remake 2.0" at https://userstyles.org/styles/167883
// @include       *.pardus.at/main.php*
// @match       *.pardus.at/main.php*
// ==/UserScript==

// --User Options---------------------------------------------------
// Use this section to turn on/off features created by the script.
// Just change from 'true' to 'false' to turn something off..

var NoPardusStyleRemakeInstalled = true;
var NavGridSpacing = 0;
// --end User Options-----------------------------------------------

//var SectorName = document.getElementById('sector').textContent;

var SpaceChart = document.getElementById('tdSpaceChart').getElementsByTagName('tr')[0];
var tilesX = parseInt(SpaceChart.nextSibling.getElementsByTagName('tr')[0].getElementsByTagName('td').length);
var tilesY = parseInt(SpaceChart.nextSibling.getElementsByTagName('tr').length);
var tilesXhalf = Math.floor(tilesX / 2);
var tilesYhalf = Math.floor(tilesY / 2);

var verticalLeft = document.createElement('div');
verticalLeft.classList.add('verticalLeft');
SpaceChart.nextSibling.getElementsByTagName('td')[0].prepend(verticalLeft);
var verticalRight = document.createElement('div');
verticalRight.classList.add('verticalRight');
SpaceChart.nextSibling.getElementsByTagName('td')[0].nextSibling.nextSibling.prepend(verticalRight);

var db = document.getElementById('tdStatusCoords').innerHTML;
var coordX = parseInt(db.match(/\d+(?=,\d+\])/)[0]);
var coordY = parseInt(db.match(/\d+(?=\])/)[0]);

for(var y = 0; y < tilesY; y++) {
    verticalLeft.innerHTML += "<div class='coord coordsv1'>" + (coordY - tilesYhalf + y) + "</div>";
    verticalRight.innerHTML += "<div class='coord coordsv2'>" + (coordY - tilesYhalf + y) + "</div>";
}

if(NoPardusStyleRemakeInstalled === false) SpaceChart.getElementsByTagName('td')[1].innerHTML = '';
SpaceChart.nextSibling.nextSibling.getElementsByTagName('td')[1].innerHTML = '';
for(var x = 0; x < tilesX; x++) {
    SpaceChart.getElementsByTagName('td')[1].innerHTML += "<div class='coord coordsh1'>" + (coordX - Math.floor(tilesX / 2) + x) + "</div>";
    SpaceChart.nextSibling.nextSibling.getElementsByTagName('td')[1].innerHTML += "<div class='coord coordsh2'>" + (coordX - Math.floor(tilesX / 2) + x) + "</div>";
}

// handle partial refresh scenario
function runscript() {
	if (unsafeWindow.checkToDo !== undefined) {
		var local_checkToDo = unsafeWindow.checkToDo;
		unsafeWindow.checkToDo = function() {
			local_checkToDo();
			setTimeout(coordsUpdate,1);
		};
	}
	coordsUpdate();
}
function coordsUpdate() {
    var db = document.getElementById('tdStatusCoords').innerHTML;
    var coordX = parseInt(db.match(/\d+(?=,\d+\])/)[0]);
    var coordY = parseInt(db.match(/\d+(?=\])/)[0]);

    for(var y = 0; y < tilesY; y++) {
        verticalLeft.getElementsByTagName('div')[y].innerHTML = (coordY - tilesYhalf + y);
        verticalRight.getElementsByTagName('div')[y].innerHTML = (coordY - tilesYhalf + y);
    }
    for(var x = 0; x < tilesX; x++) {
        SpaceChart.getElementsByTagName('td')[1].getElementsByTagName('div')[x].innerHTML = (coordX - tilesXhalf + x);
        SpaceChart.nextSibling.nextSibling.getElementsByTagName('td')[1].getElementsByTagName('div')[x].innerHTML = (coordX - tilesXhalf + x);
    }
}
runscript();

// add control class when script executes
document.getElementById('tdSpaceChart').classList.add('has-grid');

// grid styling with NoPardusStyleRemakeInstalled
if(NoPardusStyleRemakeInstalled) {
  SpaceChart.nextSibling.getElementsByTagName('td')[1].style.padding = "15px";
  if (document.getElementById('nav')) {
    document.getElementById('nav').parentNode.style.paddingRight = tilesX*NavGridSpacing + "px";
    document.getElementById('nav').parentNode.style.paddingBottom = tilesY*NavGridSpacing + "px";
    SpaceChart.nextSibling.getElementsByTagName('td')[1].getElementsByTagName('div')[0].style.background = "#00001c";
  }
  (function() {var css = [
  "table#navarea, table#navareatransition {",
    "border-spacing:" + NavGridSpacing + "px;",
  "}",
  ".has-grid .coordsh1, .has-grid .coordsh2 {",
    "padding-right:" + NavGridSpacing + "px;",
  "}",
  ".has-grid .coordsv1, .has-grid .coordsv2 {",
    "padding-bottom:" + NavGridSpacing + "px;",
  "}",
  ".coordsh1, .coordsh2 {",
    "position: relative;",
    "left: 15px;",
    "width: 64px;",
    "height: 0;",
    "display: inline-block;",
    "text-align: center;",
    "margin-top: -8px;",
  "}",
  ".coordsh2 {",
    "bottom: 19px;",
    "left: -15px;",
  "}",
  ".verticalLeft {",
    "position: relative;",
    "top: 8px;",
    "left: 12px;",
  "}",
  ".verticalRight {",
    "position: relative;",
    "top: 8px;",
    "left: -12px;",
  "}",
  ".coordsv1, .coordsv2 {",
    "line-height: 64px;",
    "text-align: center;",
  "}",
  ].join("\n")
  var node = document.createElement("style");
  node.type = "text/css";
  node.appendChild(document.createTextNode(css));
  var heads = document.getElementsByTagName("head");
  if (heads.length > 0) {
  	heads[0].appendChild(node);
  } else {
  	// no head yet, stick it whereever
  	document.documentElement.appendChild(node);
  }
  })();
}