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Code Issues Packages Projects Releases Wiki Activity

Improve VV performance further by avoiding redundant work (#39579)

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This commit is contained in:
Tad Hardesty
2018-08-08 10:59:00 -07:00
committed by yogstation13-bot
parent 673eaa4085
commit 74c20ca0eb
1 changed files with 119 additions and 108 deletions
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227
code/datums/datumvars.dm
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@@ -167,107 +167,9 @@
}
</style>
</head>
<body onload='selectTextField(); updateSearch()' onkeydown='return checkreload()' onkeyup='updateSearch()'>
<body onload='selectTextField()' onkeydown='return handle_keydown()' onkeyup='handle_keyup()'>
<script type="text/javascript">
function checkreload() {
if(event.keyCode == 116){ //F5 (to refresh properly)
document.getElementById("refresh_link").click();
event.preventDefault ? event.preventDefault() : (event.returnValue = false)
return false;
}
return true;
}
function updateSearch(){
var filter_text = document.getElementById('filter');
var filter = filter_text.value.toLowerCase();
if(event.keyCode == 13){ //Enter / return
var vars_ol = document.getElementById('vars');
var lis = vars_ol.getElementsByTagName("li");
for ( var i = 0; i < lis.length; ++i )
{
try{
var li = lis\[i\];
if ( li.style.backgroundColor == "#ffee88" )
{
alist = lis\[i\].getElementsByTagName("a")
if(alist.length > 0){
location.href=alist\[0\].href;
}
}
}catch(err) { }
}
return
}
if(event.keyCode == 38){ //Up arrow
var vars_ol = document.getElementById('vars');
var lis = vars_ol.getElementsByTagName("li");
for ( var i = 0; i < lis.length; ++i )
{
try{
var li = lis\[i\];
if ( li.style.backgroundColor == "#ffee88" )
{
if( (i-1) >= 0){
var li_new = lis\[i-1\];
li.style.backgroundColor = "white";
li_new.style.backgroundColor = "#ffee88";
return
}
}
}catch(err) { }
}
return
}
if(event.keyCode == 40){ //Down arrow
var vars_ol = document.getElementById('vars');
var lis = vars_ol.getElementsByTagName("li");
for ( var i = 0; i < lis.length; ++i )
{
try{
var li = lis\[i\];
if ( li.style.backgroundColor == "#ffee88" )
{
if( (i+1) < lis.length){
var li_new = lis\[i+1\];
li.style.backgroundColor = "white";
li_new.style.backgroundColor = "#ffee88";
return
}
}
}catch(err) { }
}
return
}
//This part here resets everything to how it was at the start so the filter is applied to the complete list.
//>"Screw efficiency, it's client-side anyway and it only looks through 200 or so variables at maximum anyway (mobs)."
//>proceeds to put 600 variables on GLOB
var vars_ol = document.getElementById("vars");
while (vars_ol.hasChildNodes()) {
vars_ol.removeChild(vars_ol.lastChild);
}
document.cookie="[refid][cookieoffset]search="+encodeURIComponent(filter);
for (var i = 0; i < complete_list.length; ++i) {
try {
var li = complete_list\[i\];
if (!filter || li.innerText.toLowerCase().indexOf(filter) != -1)
{
vars_ol.appendChild(li);
}
} catch(err) {}
}
var lis_new = vars_ol.getElementsByTagName("li");
for ( var j = 0; j < lis_new.length; ++j )
{
var li1 = lis_new\[j\];
if (j == 0){
li1.style.backgroundColor = "#ffee88";
}else{
li1.style.backgroundColor = "white";
}
}
}
// onload
function selectTextField() {
var filter_text = document.getElementById('filter');
filter_text.focus();
@@ -278,23 +180,132 @@
updateSearch();
}
}
function loadPage(list) {
if(list.options\[list.selectedIndex\].value == ""){
return;
}
location.href=list.options\[list.selectedIndex\].value;
}
function getCookie(cname) {
var name = cname + "=";
var ca = document.cookie.split(';');
for(var i=0; i<ca.length; i++) {
var c = ca\[i\];
var c = ca\[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(name)==0) return c.substring(name.length,c.length);
}
return "";
}
// main search functionality
var last_filter = "";
function updateSearch() {
var filter = document.getElementById('filter').value.toLowerCase();
var vars_ol = document.getElementById("vars");
if (filter === last_filter) {
// An event triggered an update but nothing has changed.
return;
} else if (filter.indexOf(last_filter) === 0) {
// The new filter starts with the old filter, fast path by removing only.
var children = vars_ol.childNodes;
for (var i = children.length - 1; i >= 0; --i) {
try {
var li = children\[i];
if (li.innerText.toLowerCase().indexOf(filter) == -1) {
vars_ol.removeChild(li);
}
} catch(err) {}
}
} else {
// Remove everything and put back what matches.
while (vars_ol.hasChildNodes()) {
vars_ol.removeChild(vars_ol.lastChild);
}
for (var i = 0; i < complete_list.length; ++i) {
try {
var li = complete_list\[i];
if (!filter || li.innerText.toLowerCase().indexOf(filter) != -1) {
vars_ol.appendChild(li);
}
} catch(err) {}
}
}
last_filter = filter;
document.cookie="[refid][cookieoffset]search="+encodeURIComponent(filter);
var lis_new = vars_ol.getElementsByTagName("li");
for (var j = 0; j < lis_new.length; ++j) {
lis_new\[j].style.backgroundColor = (j == 0) ? "#ffee88" : "white";
}
}
// onkeydown
function handle_keydown() {
if(event.keyCode == 116) { //F5 (to refresh properly)
document.getElementById("refresh_link").click();
event.preventDefault ? event.preventDefault() : (event.returnValue = false);
return false;
}
return true;
}
// onkeyup
function handle_keyup() {
if (event.keyCode == 13) { //Enter / return
var vars_ol = document.getElementById('vars');
var lis = vars_ol.getElementsByTagName("li");
for (var i = 0; i < lis.length; ++i) {
try {
var li = lis\[i];
if (li.style.backgroundColor == "#ffee88") {
alist = lis\[i].getElementsByTagName("a");
if(alist.length > 0) {
location.href=alist\[0].href;
}
}
} catch(err) {}
}
} else if(event.keyCode == 38){ //Up arrow
var vars_ol = document.getElementById('vars');
var lis = vars_ol.getElementsByTagName("li");
for (var i = 0; i < lis.length; ++i) {
try {
var li = lis\[i];
if (li.style.backgroundColor == "#ffee88") {
if (i > 0) {
var li_new = lis\[i-1];
li.style.backgroundColor = "white";
li_new.style.backgroundColor = "#ffee88";
return
}
}
} catch(err) {}
}
} else if(event.keyCode == 40) { //Down arrow
var vars_ol = document.getElementById('vars');
var lis = vars_ol.getElementsByTagName("li");
for (var i = 0; i < lis.length; ++i) {
try {
var li = lis\[i];
if (li.style.backgroundColor == "#ffee88") {
if ((i+1) < lis.length) {
var li_new = lis\[i+1];
li.style.backgroundColor = "white";
li_new.style.backgroundColor = "#ffee88";
return
}
}
} catch(err) {}
}
} else {
updateSearch();
}
}
// onchange
function handle_dropdown(list) {
var value = list.options\[list.selectedIndex].value;
if (value !== "") {
location.href = value;
}
}
</script>
<div align='center'>
<table width='100%'>
@@ -321,7 +332,7 @@
<a id='refresh_link' href='?_src_=vars;[HrefToken()];datumrefresh=[refid]'>Refresh</a>
<form>
<select name="file" size="1"
onchange="loadPage(this.form.elements\[0\])"
onchange="handle_dropdown(this)"
target="_parent._top"
onmouseclick="this.focus()"
style="background-color:#ffffff">