Make more use of named scopes

[rails.git] / public / javascripts / menu.js

diff --git a/public/javascripts/menu.js b/public/javascripts/menu.js
index 7a0cbf4198042fcb658e53e499147f222444a189..26151775687fc22f22ff5eb6b0e315c00aff2bf9 100644 (file)
--- a/public/javascripts/menu.js
+++ b/public/javascripts/menu.js
@@ -1,25 +1,43 @@
 /*
  * Open a menu.
  */
-function openMenu(anchor, menu) {
-  menu.style.display = "block";
+function openMenu(anchor, menu, align) {
+  var offset;
+
+  if (align == "left") {
+    offset = 0;
+  } else if (align == "right") {
+    offset = anchor.getWidth() - menu.getWidth();
+  }
 
   menu.clonePosition(anchor, {
     setLeft: true, setTop: true, setWidth: false, setHeight: false,
-    offsetLeft: 0, offsetTop: anchor.getHeight()
+    offsetLeft: offset, offsetTop: anchor.getHeight()
   });
+
+  menu.style.display = "block";
 }
 
 /*
- * Callback called when the mouse enters a menu anchor.
+ * Close a menu.
  */
-function enterMenuAnchor(event, anchor, menu, delay) {
+function closeMenu(menu) {
   clearTimeout(menu.timer);
+  menu.style.display = "none";
+}
+
+/*
+ * Callback called when the mouse enters a menu anchor.
+ */
+function enterMenuAnchor(event, anchor, menu, delay, align) {
+  if (!anchor.hasClassName("disabled")) {
+    clearTimeout(menu.timer);
 
-  if (delay > 0) {
-    menu.timer = setTimeout(function () { openMenu(anchor, menu) }, delay);
-  } else {
-    openMenu(event, menu);
+    if (delay > 0) {
+      menu.timer = setTimeout(function () { openMenu(anchor, menu, align) }, delay);
+    } else {
+      openMenu(event, menu, align);
+    }
   }
 }
 
@@ -27,7 +45,7 @@ function enterMenuAnchor(event, anchor, menu, delay) {
  * Callback called when the mouse leaves a menu anchor.
  */
 function leaveMenuAnchor(event, anchor, menu) {
-  var to = event.relatedTarget || event.toElement;
+  var to = event.relatedTarget;
 
   if (to != menu && !to.descendantOf(menu)) {
     menu.style.display = "none";
@@ -40,7 +58,7 @@ function leaveMenuAnchor(event, anchor, menu) {
  * Callback called when the mouse leaves a menu.
  */
 function leaveMenu(event, anchor, menu) {
-  var to = event.relatedTarget || event.toElement;
+  var to = event.relatedTarget;
 
   if (to != anchor && !to.descendantOf(menu)) {
     menu.style.display = "none";
@@ -52,11 +70,13 @@ function leaveMenu(event, anchor, menu) {
 /*
  * Setup a menu, triggered by hovering over an anchor for a given time.
  */
-function createMenu(anchorid, menuid, delay) {
+function createMenu(anchorid, menuid, delay, align) {
   var anchor = $(anchorid);
   var menu = $(menuid);
 
-  anchor.onmouseover = function (event) { enterMenuAnchor(anchor, anchor, menu, delay) };
-  anchor.onmouseout = function (event) { leaveMenuAnchor(event, anchor, menu) };
-  menu.onmouseout = function (event) { leaveMenu(event, anchor, menu) };
+  anchor.observe("mouseup", function (event) { closeMenu(menu) });
+  anchor.observe("mouseover", function (event) { enterMenuAnchor(anchor, anchor, menu, delay, align) });
+  anchor.observe("mouseout", function (event) { leaveMenuAnchor(event, anchor, menu) });
+  menu.observe("mouseup", function (event) { closeMenu(menu) });
+  menu.observe("mouseout", function (event) { leaveMenu(event, anchor, menu) });
 }