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javascript:(function() {
var notEls = [];
function _handleInput(complement) {
var input = window.prompt('Insert matriculation numbers', '');
var numbers = input.split(/[^0-9]+/);
numbers = numbers.map(function(n) {
if(n.length == 7) {
return '0' + n;
} else {
return n;
}
});
var els = document.querySelectorAll('td.idnumber');
els = Array.prototype.filter.call(els, function(el) {
var idx = numbers.indexOf(el.innerHTML.trim())
if(idx >= 0) {
numbers.splice(idx, 1);
}
if((complement && idx < 0) || (!complement && idx >= 0)) {
return true;
}
return false;
}).map(function(el) {return el.parentElement;});
return [els, numbers];
}
function doAsk() {
dont();
var x = _handleInput(true);
notEls = x[0];
if(x[1].length) {
alert('The following matriculation numbers are not int this list: ' + x[1]);
}
_do();
}
function download() {
var x = _handleInput(false);
var els = x[0];
if(x[1].length) {
alert('The following matriculation numbers are not int this list: ' + x[1]);
}
var files = els.map(function(el) {
return el.querySelector('a[href*=submission_file]').href;
});
for(var i = 0; i < files.length; i++) {
if(!window.open(files[i], '_blank')) {
alert('Popups blocked. Please allow them and try again :)');
break;
}
}
}
function _do() {
notEls.forEach(function(el) { el.classList.add('hidden'); });
}
function dont() {
// notEls.forEach(function(el) { el.classList.remove('hidden'); });
var also = document.querySelectorAll('tr.hidden');
// console.log(also.length);
also.forEach(function(el) { el.classList.remove('hidden'); });
}
var div = document.createElement('div');
div.innerHTML = 'Matr. Nummern:';
div.id = 'evc-super-filter';
div.classList.add('initialbar');
var doLink = document.createElement('a');
doLink.innerHTML = 'Filtern (mit letzem Input) &nbsp; | '
var doAskLink = document.createElement('a');
doAskLink.innerHTML = ' &nbsp; Filtern (neuer Input) &nbsp; | '
var downloadLink = document.createElement('a');
downloadLink.innerHTML = ' &nbsp; Download &nbsp; | ';
var resetLink = document.createElement('a');
resetLink.innerHTML = ' &nbsp; Reset';
div.appendChild(doLink);
div.appendChild(doAskLink);
div.appendChild(downloadLink);
div.appendChild(resetLink);
doLink.onclick = _do;
doAskLink.onclick = doAsk;
downloadLink.onclick = download;
resetLink.onclick = dont;
var table = document.querySelector('.gradingtable');
table.insertBefore(div, table.firstChild);
})()
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