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Caches focused node.

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This commit is contained in:
zorkow 2015-08-31 19:50:55 +01:00
parent fbb70fb658
commit f73d5f0094
1 changed files with 8 additions and 3 deletions
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11
unpacked/extensions/MathMenu.js
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@ -478,6 +478,7 @@
* Keyboard navigation of menu.
*/
posted: false, // Is a menu open?
active: null, // The focused in HTML node in the menu.
GetNode: function(jax) {
var node = document.getElementById(jax.inputID + '-Frame');
@ -495,7 +496,11 @@
return nodes;
},
ActiveNode: function() {
return document.activeElement;
return MENU.active;
},
FocusNode: function(node) {
MENU.active = node;
node.focus();
},
//
// Focus is a global affair, since we only ever want a single focused item.
@ -503,7 +508,7 @@
Focus: function(menu) {
!MENU.posted ? MENU.Activate(menu) : MENU.ActiveNode().tabIndex = -1;
menu.tabIndex = 0;
menu.focus();
MENU.FocusNode(menu);
},
Activate: function(event, menu) {
var jaxs = MENU.AllNodes();
@ -518,7 +523,7 @@
for (var j = 0, jax; jax = jaxs[j]; j++) {
jax.tabIndex = 0;
}
MENU.CurrentNode().focus();
MENU.FocusNode(MENU.CurrentNode());
MENU.posted = false;
},
MoveHorizontal: function(event, menu, move) {