From 576ace3245799298ea4a1d78da4b8d22bb4b2c40 Mon Sep 17 00:00:00 2001
From: samhemelryk <samhemelryk>
Date: Mon, 31 Aug 2009 08:27:26 +0000
Subject: [PATCH] navigation MDL-14632 Fixed Javascript scrolling bug in FF3

---
 lib/javascript-navigation.js | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/lib/javascript-navigation.js b/lib/javascript-navigation.js
index 1b90d61946..df4f48069e 100644
--- a/lib/javascript-navigation.js
+++ b/lib/javascript-navigation.js
@@ -275,7 +275,6 @@ navigation_tree.prototype.add_branch = function(branchxml, target, depth) {
  * @param {element} e Event object
  */
 navigation_tree.prototype.toggle_block_display = function(e) {
-    YAHOO.util.Event.preventDefault(e);
     if (e !== null) {
         YAHOO.util.Event.stopPropagation(e);
     }
@@ -433,6 +432,7 @@ function navigation_tab_panel() {
     this.tabpanel = null;
     this.tabpanels = Array();
     this.tabcount = 0;
+    this.preventhide = false;
     this.showntab = null;
 }
 /**
@@ -586,11 +586,11 @@ navigation_tab_panel.prototype.resize_tab = function () {
     var tabheight = parseInt(this.tabpanels[this.showntab.tabname].body.offsetHeight);
     var tabtop = parseInt(this.tabpanels[this.showntab.tabname].cfg.getProperty('y'));
     var titletop = YAHOO.util.Dom.getY(this.showntab.tabname+'_title');
-
+    var scrolltop = (document.all)?document.body.scrollTop:window.pageYOffset;
     // This makes sure that the panel is the same height as the tab title to
     // begin with
-    if (tabtop > 10 && tabtop > titletop) {
-        this.tabpanels[this.showntab.tabname].cfg.setProperty('y', titletop);
+    if (tabtop > (10+scrolltop) && tabtop > (titletop+scrolltop)) {
+        this.tabpanels[this.showntab.tabname].cfg.setProperty('y', titletop+scrolltop);
     }
 
     // This makes sure that if the panel is big it is moved up to ensure we don't
@@ -600,7 +600,7 @@ navigation_tab_panel.prototype.resize_tab = function () {
         if (tabtop<10) {
             tabtop = 10;
         }
-        this.tabpanels[this.showntab.tabname].cfg.setProperty('y', tabtop);
+        this.tabpanels[this.showntab.tabname].cfg.setProperty('y', tabtop+scrolltop);
     }
 
     // This makes the panel constrain to the screen's height if the panel is big
@@ -631,7 +631,7 @@ navigation_tab_panel.prototype.show_tab = function (e, tabname) {
     this.tabpanels[tabname].show(e, this.tabpanel);
     YAHOO.util.Dom.addClass(tabname+'_title', 'active_tab');
     YAHOO.util.Event.removeListener(tabname+'_sidebarpopup', "mouseover", this.show_tab);
-    YAHOO.util.Event.addListener('navigation_tab_panel_'+tabname, "click", function (e){YAHOO.util.Event.stopPropagation(e);});
+    YAHOO.util.Event.addListener('navigation_tab_panel_'+tabname, "click", function (e){this.preventhide = true}, this, true);
     YAHOO.util.Event.addListener(tabname+'_sidebarpopup', "click", this.hide_tab, tabname, this);
     YAHOO.util.Event.addListener(window, 'resize', this.resize_tab, this, true);
     YAHOO.util.Event.addListener(document.body, "click", this.hide_tab, tabname, this);
@@ -646,6 +646,10 @@ navigation_tab_panel.prototype.show_tab = function (e, tabname) {
  * @return {bool}
  */
 navigation_tab_panel.prototype.hide_tab = function(e, tabname) {
+    if (this.preventhide===true) {
+        this.preventhide = false;
+        return true;
+    }
     this.showntab = null;
     YAHOO.util.Event.addListener(tabname+'_sidebarpopup', "mouseover", this.show_tab, tabname, this);
     YAHOO.util.Event.removeListener(window, 'resize', this.resize_tab);
-- 
2.39.5