mirror of
https://github.com/2009scape/2009scape.github.io.git
synced 2024-09-12 03:12:30 +02:00
272 lines
8.1 KiB
JavaScript
272 lines
8.1 KiB
JavaScript
var stockticker = new ticker();
|
|
var time
|
|
function mouseOut(event)
|
|
{
|
|
var e = event;
|
|
if(!e)e=window.event;
|
|
var nodeTo = e.relatedTarget;
|
|
var nodeFrom = e.currentTarget;
|
|
if(!nodeTo){ticker.updateTicker();return;}
|
|
try{
|
|
while(nodeTo.nodeType != nodeTo.ELEMENT_NODE){
|
|
if(nodeTo.parentnode)nodeTo = nodeTo.parentNode;
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
if(!nodeFrom){
|
|
if(nodeTo.id.match("ticker") || nodeTo.id.match("")){
|
|
ticker.updateTicker();return;
|
|
}
|
|
}
|
|
if(nodeTo.id.match("ticker")){
|
|
return;
|
|
}
|
|
if(nodeFrom.id.match("ticker")||nodeFrom.parentNode.id.match("ticker")){
|
|
if(nodeTo.id.match("ticker")||nodeTo.parentNode.id.match("ticker")){
|
|
return;
|
|
}
|
|
}
|
|
ticker.updateTicker();
|
|
}
|
|
catch(err){
|
|
if(nodeTo.tagName.match("HTML")){
|
|
ticker.updateTicker();
|
|
}
|
|
}
|
|
}
|
|
function ticker()
|
|
{
|
|
//Define width constant
|
|
ticker_width=120;
|
|
//How many characters we are displaying at the moment
|
|
this.count=ticker_width;
|
|
//Create blank text for ticker
|
|
this.text= '';
|
|
//The text to be displayed in the ticker. Filled up with spaces to start with
|
|
for (i=0; i<this.count; ++i) {
|
|
this.text = this.text + ' ';
|
|
}
|
|
//Buffer for text to be displayed
|
|
this.buffer=' ';
|
|
//Buffer for incoming link tags
|
|
this.intag='';
|
|
//Buffer for outgoing link tags
|
|
this.outtag='';
|
|
//Where the text will be displayed
|
|
this.out=document.getElementById("ticker");
|
|
//is there an active request to the server for more text? if so don't send any more.
|
|
this.sent_request=false;
|
|
//How many cycles have we been waiting for a reply from the server? If too many, send another request
|
|
this.cycles_empty=0;
|
|
}
|
|
//remove a character (or image) from the front of the ticker, and add one to the end of it
|
|
ticker.updateTicker=function()
|
|
{
|
|
stockticker.out=document.getElementById("ticker");
|
|
if(stockticker.buffer.length<50)
|
|
{
|
|
//we need some more text for the buffer
|
|
if(!stockticker.sent_request || stockticker.cycles_empty>20){
|
|
stockticker.cycles_empty=0;
|
|
stockticker.sent_request=true;
|
|
callback_request("./ticker.ws",function(newbuff){stockticker.buffer = stockticker.buffer + newbuff});
|
|
}
|
|
}
|
|
else{
|
|
stockticker.sent_request=false;
|
|
}
|
|
if(stockticker.buffer.length>0)
|
|
{
|
|
//if there are characters left in the buffer...
|
|
while(stockticker.count>=ticker_width)
|
|
{
|
|
//take off a character from the front of the ticker...
|
|
ticker.removeChar();
|
|
}
|
|
stockticker.cycles_empty=0;
|
|
//and add another one to the end
|
|
ticker.getNextChar();
|
|
}
|
|
else{
|
|
//don't take a character off if there is nothing to replace it
|
|
stockticker.cycles_empty++;
|
|
}
|
|
//update the ticker on the page
|
|
stockticker.out.innerHTML=stockticker.outtag+stockticker.text+stockticker.intag;
|
|
if(stockticker.text.substring(0,1)==" ")
|
|
{
|
|
stockticker.out.innerHTML = " "+stockticker.out.innerHTML;
|
|
}
|
|
time = setTimeout("ticker.updateTicker()",150)
|
|
}
|
|
ticker.removeChar=function()
|
|
{
|
|
//the character to try to remove
|
|
var endChar = stockticker.text.substring(0,1);
|
|
if(endChar=="<"){
|
|
//if the first character is opening a tag, treat it differently
|
|
if(stockticker.text.substring(1,2)=="s")
|
|
{
|
|
//in here, we've got a text span, changing the colour of the text
|
|
//keep the tag separate from the rest of the text, and remove a character from the text
|
|
var i=stockticker.text.indexOf(">");
|
|
stockticker.outtag = stockticker.text.substring(0,i+1);
|
|
stockticker.text=stockticker.text.substr(i+2);
|
|
}
|
|
else if (stockticker.text.substring(1,3)=="/s")
|
|
{
|
|
//closing the span tag. get rid of the opening tag as well
|
|
stockticker.text=stockticker.text.substr(8);
|
|
stockticker.outtag="";
|
|
}
|
|
else{
|
|
//If we get here, we have a link tag. We need to keep the open and close tags
|
|
// while there is still text between them, then we need to remove both tags.
|
|
if(stockticker.text.substring(1,2)=="a"){
|
|
var close=stockticker.text.indexOf(">");
|
|
stockticker.outtag=stockticker.text.substring(0,close+1);
|
|
stockticker.text=stockticker.text.substr(close+2);
|
|
}
|
|
else if(stockticker.text.substring(1,4)=="/a>")
|
|
{
|
|
stockticker.text=stockticker.text.substr(5);
|
|
stockticker.outtag="";
|
|
}
|
|
}
|
|
}
|
|
else if(endChar=="&")
|
|
{
|
|
if(stockticker.text.substring(1,2)=="n"){
|
|
//remove a space ( )
|
|
stockticker.text=stockticker.text.substr(6);
|
|
}
|
|
else if(stockticker.text.substring(1,2)=="m"){
|
|
//remove a minus sign (−)
|
|
stockticker.text=stockticker.text.substr(7);
|
|
}
|
|
else{
|
|
//remove an ampersand
|
|
stockticker.text=stockticker.text.substr(1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
stockticker.text=stockticker.text.substr(1);
|
|
}
|
|
stockticker.count=stockticker.count-1;
|
|
}
|
|
ticker.getNextChar=function()
|
|
{
|
|
var startChar=stockticker.buffer.substring(0,1);
|
|
stockticker.buffer=stockticker.buffer.substr(1);
|
|
if(startChar=="<"){
|
|
var first2Chars=stockticker.buffer.substring(0,2);
|
|
if(first2Chars=="/a")
|
|
{
|
|
stockticker.text=stockticker.text+stockticker.intag;
|
|
stockticker.intag="";
|
|
stockticker.buffer=stockticker.buffer.substr(3);
|
|
startChar=stockticker.buffer.substring(0,1);
|
|
stockticker.buffer=stockticker.buffer.substr(1);
|
|
}
|
|
if(first2Chars=="a ")
|
|
{
|
|
//set the 'incoming' tag to close this new one
|
|
stockticker.intag="</a>"
|
|
//set s to be the next character to be displayed normally
|
|
var i=stockticker.buffer.indexOf(">");
|
|
startChar=startChar+stockticker.buffer.substring(0,i+2);
|
|
stockticker.buffer=stockticker.buffer.substr(i+2);
|
|
}
|
|
if(first2Chars=="/s")
|
|
{
|
|
stockticker.text=stockticker.text+stockticker.intag;
|
|
stockticker.intag="";
|
|
stockticker.buffer=stockticker.buffer.substr(6);
|
|
startChar=stockticker.buffer.substring(0,1);
|
|
stockticker.buffer=stockticker.buffer.substr(1);
|
|
}
|
|
if(first2Chars=="sp")
|
|
{
|
|
//set the 'incoming' tag to close this new one
|
|
stockticker.intag="</span>"
|
|
//set startChar to be the next character to be displayed normally
|
|
var i=stockticker.buffer.indexOf(">");
|
|
startChar=startChar+stockticker.buffer.substring(0,i+2);
|
|
stockticker.buffer=stockticker.buffer.substr(i+2);
|
|
}
|
|
}
|
|
if(startChar==" "){
|
|
startChar=" ";
|
|
}
|
|
if(startChar=="-"){
|
|
startChar="−";
|
|
}
|
|
stockticker.text=stockticker.text+startChar;
|
|
stockticker.count=stockticker.count+1;
|
|
}
|
|
ticker.stop=function(){
|
|
clearTimeout(time);
|
|
}
|
|
function ajax_debug(text) {
|
|
if(document.getElementById("javascript-debug-pane")) document.getElementById("javascript-debug-pane").value+=text + "\n";
|
|
}
|
|
function httpRequest() {
|
|
// Create the requestHandler
|
|
try {
|
|
this.requestHandler=new ActiveXObject("Msxml2.XMLHTTP");
|
|
}
|
|
catch(e1) {
|
|
try {
|
|
this.requestHandler=new ActiveXObject("Microsoft.XMLHTTP");
|
|
}
|
|
catch(e2) {
|
|
this.requestHandler=false;
|
|
}
|
|
}
|
|
if(!this.requestHandler && window.createRequest) {
|
|
try {
|
|
this.requestHandler=window.createRequest();
|
|
}
|
|
catch(e) {
|
|
this.requestHandler=false;
|
|
}
|
|
}
|
|
if(!this.requestHandler && typeof(XMLHttpRequest)!='undefined') {
|
|
try {
|
|
this.requestHandler=new XMLHttpRequest();
|
|
}
|
|
catch(e) {
|
|
this.requestHandler=false;
|
|
}
|
|
}
|
|
ajax_debug("New httpRequest created");
|
|
}
|
|
httpRequest.prototype.handleChange=function() {
|
|
//ajax_debug("ReadyState changed to " + this.requestHandler.readyState);
|
|
if(this.requestHandler.readyState==4 && this.callback) this.callback(this.requestHandler.responseText);
|
|
}
|
|
httpRequest.prototype.get=function(url, callback) {
|
|
ajax_debug("GET " + url + (callback==null ? " (no callback)" : " (with callback)"));
|
|
var copy=this;
|
|
this.requestHandler.onreadystatechange=function() {copy.handleChange();}
|
|
if(callback) this.callback=callback;
|
|
else this.callback=null;
|
|
this.requestHandler.open("GET", url, true);
|
|
this.requestHandler.send(null);
|
|
}
|
|
function ajax_describe(what) {
|
|
a="";
|
|
for(part in what) try{a+=part + "=" + what[part] + "\n";} catch(e) {}
|
|
return a;
|
|
}
|
|
function throwaway_request(url) {
|
|
var req=new httpRequest();
|
|
req.get(url);
|
|
}
|
|
function callback_request(url, callback) {
|
|
var req=new httpRequest();
|
|
req.get(url, callback);
|
|
}
|