underlays/javascript/ikiwiki.js

   1 // ikiwiki's javascript utility function library
   2
   3 var hooks;
   4 window.onload = run_hooks_onload;
   5
   6 function run_hooks_onload() {
   7         run_hooks("onload");
   8 }
   9
  10 function run_hooks(name) {
  11         if (typeof(hooks) != "undefined") {
  12                 for (var i = 0; i < hooks.length; i++) {
  13                         if (hooks[i].name == name) {
  14                                 hooks[i].call();
  15                         }
  16                 }
  17         }
  18 }
  19
  20 function hook(name, call) {
  21         if (typeof(hooks) == "undefined")
  22                 hooks = new Array;
  23         hooks.push({name: name, call: call});
  24 }
  25
  26 function getElementsByClass(cls, node, tag) {
  27         if (document.getElementsByClass)
  28                 return document.getElementsByClass(cls, node, tag);
  29         if (! node) node = document;
  30         if (! tag) tag = '*';
  31         var ret = new Array();
  32         var pattern = new RegExp("(^|\\s)"+cls+"(\\s|$)");
  33         var els = node.getElementsByTagName(tag);
  34         for (i = 0; i < els.length; i++) {
  35                 if ( pattern.test(els[i].className) ) {
  36                         ret.push(els[i]);
  37                 }
  38         }
  39         return ret;
  40 }