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     if (jQuery.browser.webkit) {
  18         /*
  19          * Setting hash leads to reload in webkit:
  20          * http://www.quirksmode.org/bugreports/archives/2005/05/Safari_13_visual_anomaly_with_windowlocationhref.html
  21          */
  22         return;
  23     }
  24     if (window.parent != window && window.parent.setURLHash) {
  25         window.parent.setURLHash(hash);
  26     } else {
  27         /* Do not set if we're not updating frameset */
  28         var path = window.location.pathname;
  29         if (path.substring(path.length - 9, path.length) != "index.php") {
  30             return;
  31         }
  32         if (hash_init_done) {
  33             window.location.hash = "PMAURL:" + hash;
  34         } else {
  35             hash_to_set = "PMAURL:" + hash;
  36         }
  37     }
  38 }
  39
  40 /**
  41  * Handler for changing url according to the hash part, which is updated
  42  * on each page to allow bookmarks.
  43  */
  44 $(document).ready(function(){
  45     /* Don't do anything if we're not root Window */
  46     if (window.parent != window && window.parent.setURLHash) {
  47         return;
  48     }
  49     /* Check if hash contains parameters */
  50     if (window.location.hash.substring(0, 8) == '#PMAURL:') {
  51         window.location = 'index.php?' + window.location.hash.substring(8);
  52         return;
  53     }
  54     /* Check if we should set URL */
  55     if (hash_to_set != "") {
  56         window.location.hash = hash_to_set;
  57         hash_to_set = "";
  58     }
  59     /* Indicate that we're done (and we are not going to change location */
  60     hash_init_done = 1;
  61 })