70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
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window.onresize = function () {
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resizeCanvas ();
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}
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function resizeBlocks() {
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}
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function Ajax (method, uri, body, fn) {
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var x = new XMLHttpRequest ();
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x.open (method, uri, false);
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x.onreadystatechange = function (y) {
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if (x.status == 200) {
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if (fn) fn (x.responseText);
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}
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}
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x.send (body);
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}
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function get_graph() {
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Ajax ('GET', "/cmd/ag $$", '', function (x) {
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document.getElementById ('mainCanvas').innerHTML = x.replace (/\\l/g,"\n");
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setMenu ();
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resizeCanvas ();
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initPageObjects ();
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});
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}
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function onLoad() {
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get_graph ();
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}
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/**
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* Resizes the main canvas to the maximum visible height.
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*/
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function resizeCanvas() {
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var divElement = document.getElementById("mainCanvas");
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var screenHeight = window.innerHeight || document.body.offsetHeight;
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divElement.style.height = (screenHeight - 16) + "px";
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}
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/**
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* sets the active menu scanning for a menu item which url is a prefix
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* of the one of the current page ignoring file extension.
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* Nice trick!
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*/
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function setMenu() {
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var url = document.location.href;
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// strip extension
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url = stripExtension(url);
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var ulElement = document.getElementById("menu");
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var links = ulElement.getElementsByTagName("A");
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var i;
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for(i = 0; i < links.length; i++) {
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if(url.indexOf(stripExtension(links[i].href)) == 0) {
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links[i].className = "active_menu";
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return;
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}
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}
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}
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/**
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* Strips the file extension and everything after from a url
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*/
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function stripExtension(url) {
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var lastDotPos = url.lastIndexOf('.');
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return (lastDotPos <= 0)? url:
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url.substring (0, lastDotPos - 1);
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}
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