suzanne.soy/scribble-mathjax
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Introduces accessor function for cached MathJax nodes.

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zorkow 2015-08-26 13:38:44 +01:00
parent 816259d6ff
commit 1228bb89ad
1 changed files with 11 additions and 7 deletions
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18
unpacked/extensions/MathMenu.js
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@ -485,10 +485,15 @@
posted: false, // Is a menu open? posted: false, // Is a menu open?
GetJaxs: function() { GetJaxs: function() {
if (MENU.hasJaxs) {
return MENU.jaxs;
}
var nodes = document.getElementsByClassName('MathJax'); var nodes = document.getElementsByClassName('MathJax');
for (var i = 0, node; node = nodes[i]; i++) { for (var i = 0, node; node = nodes[i]; i++) {
MENU.jaxs.push(node); MENU.jaxs.push(node);
} }
MENU.hasJaxs = true;
return MENU.jaxs;
}, },
GetNode: function() { GetNode: function() {
return MENU.node; return MENU.node;
@ -517,13 +522,10 @@
MENU.GetActive().focus(); MENU.GetActive().focus();
}, },
Activate: function(event, menu) { Activate: function(event, menu) {
if (!MENU.hasJaxs) {
MENU.GetJaxs();
}
if (!MENU.GetNode()) { if (!MENU.GetNode()) {
MENU.SetNode(document.getElementById(MENU.jax.inputID + '-Frame')); MENU.SetNode(document.getElementById(MENU.jax.inputID + '-Frame'));
} }
for (var j = 0, jax; jax = MENU.jaxs[j]; j++) { for (var j = 0, jax; jax = MENU.GetJaxs()[j]; j++) {
jax.tabIndex = -1; jax.tabIndex = -1;
} }
MENU.posted = true; MENU.posted = true;
@ -531,7 +533,8 @@
Unfocus: function() { Unfocus: function() {
MENU.GetActive().tabIndex = -1; MENU.GetActive().tabIndex = -1;
MENU.SetActive(null); MENU.SetActive(null);
for (var j = 0, jax; jax = MENU.jaxs[j]; j++) { var jaxs = MENU.GetJaxs();
for (var j = 0, jax; jax = jaxs[j]; j++) {
jax.tabIndex = 0; jax.tabIndex = 0;
} }
MENU.GetNode().focus(); MENU.GetNode().focus();
@ -541,11 +544,12 @@
//TODO: A toggle focus method on the top level would avoid having to //TODO: A toggle focus method on the top level would avoid having to
//tabIndex all the Jaxs. //tabIndex all the Jaxs.
Move: function(event, menu, move) { Move: function(event, menu, move) {
var len = MENU.jaxs.length; var jaxs = MENU.GetJaxs();
var len = jaxs.length;
if (len === 0) { if (len === 0) {
return; return;
} }
var next = MENU.jaxs[MENU.Mod(move(MENU.jaxs.indexOf(MENU.GetNode())), len)]; var next = jaxs[MENU.Mod(move(jaxs.indexOf(MENU.GetNode())), len)];
if (next === MENU.GetNode()) { if (next === MENU.GetNode()) {
return; return;
} }