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88 lines
2.3 KiB
88 lines
2.3 KiB
// (C) Roy van Lunsen
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function I(a) {
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return document.getElementById(a);
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}
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function C(a) {
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return document.getElementsByClassName(a);
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}
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function T(a) {
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return document.getElementsByTagName(a);
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}
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function S() {
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var r = (Math.random()*36).toString(36).substring(2);
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var f = Math.random().toString().replace(/^0\./, '');
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//f = f*10**(f.toString().length-2);
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var g = '';
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for (var i=0; f.length > i && r.length > i; i++) {
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if (f.charAt(i) >= 5) {
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g += r.charAt(i).toUpperCase();
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} else {
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g += r.charAt(i);
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}
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}
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return g;
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}
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function G(i, s, o, r) { // Generate a chess board.
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if (i % 8 === 0) { // Make a new row.
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var li = document.createElement('li');
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ol = document.createElement('ol');
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ol.setAttribute('class', 'x-row');
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I('y-co').appendChild(li);
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li.appendChild(ol);
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}
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var li = document.createElement('li');
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li.setAttribute('id', s);
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li.setAttribute('class', 'coord');
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if (null === o || undefined === o || '' === o) {
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ol.appendChild(li);
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} else {
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var anch = document.createElement('a');
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anch.setAttribute('href', '#');
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ol.appendChild(li);
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li.appendChild(anch);
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if (r === undefined) {
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var img = document.createElement('img');
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var prop = o.substring(1, 2);
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//img.setAttribute('id', o);
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anch.setAttribute('id', o);
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img.setAttribute('src', 'i/' + o.substring(0, 2) + '.png');
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img.setAttribute('alt', pp[o.substring(0, 1)] + ' ' + pn[prop] + ' on ' + s);
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//li.appendChild(img);
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anch.appendChild(img);
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} else {
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var pce = I(o);
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if (pce === null) {
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var img = document.createElement('img');
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var prop = o.substring(1, 2);
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//img.setAttribute('id', o);
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anch.setAttribute('id', o);
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img.setAttribute('src', 'i/' + o.substring(0, 2) + '.png');
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img.setAttribute('alt', pp[o.substring(0, 1)] + ' ' + pn[prop] + ' on ' + s);
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//li.appendChild(img);
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anch.appendChild(img);
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} else {
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var salt = pce.firstChild.getAttribute('alt');
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salt = salt.substring(0, salt.length-2) + s;
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pce.firstChild.setAttribute('alt', salt);
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var srci = pce.parentNode.innerHTML; // Duplicate.
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pce.parentNode.innerHTML = ''; // Remove.
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li.innerHTML = srci; // Add.
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}
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}
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}
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postG();
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}
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function postG () {
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var drag;
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var drop;
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for (var b=0; C('coord').length > b; b++) {
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C('coord')[b].onmousedown = function () {event.preventDefault(); drag = this.id}
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C('coord')[b].onmouseup = function () {drop = this.id; if (drag.length === 2 && drop.length === 2) {dragAndDrop(drag, drop)}} // Shouldn't rely on legal input here.
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}
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}
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