js/update-location.js

   1 /* vim: set expandtab sw=4 ts=4 sts=4: */
   2 /**
   3  * Scripts to update location to allow bookmarking of frameset
   4  * and restoring the bookmark once the page is loaded.
   5  *
   6  */
   7
   8 var hash_to_set = "";
   9 var hash_init_done = 0;
  10
  11 /**
  12  * Sets hash part in URL, either calls itself in parent frame or does the
  13  * work itself. The hash is not set directly if we did not yet process old
  14  * one.
  15  */
  16 function setURLHash(hash)
  17 {
  18     if (jQuery.browser.webkit) {
  19         /*
  20          * Setting hash leads to reload in webkit:
  21          * http://www.quirksmode.org/bugreports/archives/2005/05/Safari_13_visual_anomaly_with_windowlocationhref.html
  22          */
  23         return;
  24     }
  25     if (window.parent != window && window.parent.setURLHash) {
  26         window.parent.setURLHash(hash);
  27     } else {
  28         /* Do not set if we're not updating frameset */
  29         var path = window.location.pathname;
  30         if (path.substring(path.length - 9, path.length) != "index.php") {
  31             return;
  32         }
  33         if (hash_init_done) {
  34             window.location.hash = "PMAURL:" + hash;
  35         } else {
  36             hash_to_set = "PMAURL:" + hash;
  37         }
  38     }
  39 }
  40
  41 /**
  42  * Handler for changing url according to the hash part, which is updated
  43  * on each page to allow bookmarks.
  44  */
  45 $(document).ready(function(){
  46     /* Don't do anything if we're not root Window */
  47     if (window.parent != window && window.parent.setURLHash) {
  48         return;
  49     }
  50     /* Check if hash contains parameters */
  51     if (window.location.hash.substring(0, 8) == '#PMAURL:') {
  52         window.location = 'index.php?' + window.location.hash.substring(8);
  53         return;
  54     }
  55     /* Check if we should set URL */
  56     if (hash_to_set != "") {
  57         window.location.hash = hash_to_set;
  58         hash_to_set = "";
  59     }
  60     /* Indicate that we're done (and we are not going to change location */
  61     hash_init_done = 1;
  62 })