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Combine multiple elements into a single typesetting pass. Issue #873.

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This commit is contained in:
Davide P. Cervone 2014-08-18 15:36:09 -04:00
parent 4666badbe2
commit e1cf022d8a
1 changed files with 42 additions and 42 deletions
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84
unpacked/MathJax.js
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@ -2011,14 +2011,11 @@ MathJax.Hub = {
Typeset: function (element,callback) {
if (!MathJax.isReady) return null;
var ec = this.elementCallback(element,callback);
var queue = MathJax.Callback.Queue();
for (var i = 0, m = ec.elements.length; i < m; i++) {
if (ec.elements[i]) {
queue.Push(
["PreProcess",this,ec.elements[i]],
["Process",this,ec.elements[i]]
);
}
if (ec.count) {
var queue = MathJax.Callback.Queue(
["PreProcess",this,ec.elements],
["Process",this,ec.elements]
);
}
return queue.Push(ec.callback);
},
@ -2026,14 +2023,13 @@ MathJax.Hub = {
PreProcess: function (element,callback) {
var ec = this.elementCallback(element,callback);
var queue = MathJax.Callback.Queue();
for (var i = 0, m = ec.elements.length; i < m; i++) {
if (ec.elements[i]) {
queue.Push(
["Post",this.signal,["Begin PreProcess",ec.elements[i]]],
(arguments.callee.disabled? {} : ["Execute",this.preProcessors,ec.elements[i]]),
["Post",this.signal,["End PreProcess",ec.elements[i]]]
);
if (ec.count) {
var elements = (ec.count === 1 ? [ec.elements] : ec.elements);
queue.Push(["Post",this.signal,["Begin PreProcess",ec.elements]]);
for (var i = 0, m = elements.length; i < m; i++) {
if (elements[i]) {queue.Push(["Execute",this.preProcessors,elements[i]])}
}
queue.Push(["Post",this.signal,["End PreProcess",ec.elements]]);
}
return queue.Push(ec.callback);
},
@ -2045,32 +2041,31 @@ MathJax.Hub = {
takeAction: function (action,element,callback) {
var ec = this.elementCallback(element,callback);
var elements = ec.elements;
var queue = MathJax.Callback.Queue(["Clear",this.signal]);
for (var i = 0, m = ec.elements.length; i < m; i++) {
if (ec.elements[i]) {
var state = {
scripts: [], // filled in by prepareScripts
start: new Date().getTime(), // timer for processing messages
i: 0, j: 0, // current script, current jax
jax: {}, // scripts grouped by output jax
jaxIDs: [] // id's of jax used
};
queue.Push(
["Post",this.signal,["Begin "+action,ec.elements[i]]],
["Post",this.signal,["Begin Math",ec.elements[i],action]],
["prepareScripts",this,action,ec.elements[i],state],
["Post",this.signal,["Begin Math Input",ec.elements[i],action]],
["processInput",this,state],
["Post",this.signal,["End Math Input",ec.elements[i],action]],
["prepareOutput",this,state,"preProcess"],
["Post",this.signal,["Begin Math Output",ec.elements[i],action]],
["processOutput",this,state],
["Post",this.signal,["End Math Output",ec.elements[i],action]],
["prepareOutput",this,state,"postProcess"],
["Post",this.signal,["End Math",ec.elements[i],action]],
["Post",this.signal,["End "+action,ec.elements[i]]]
);
}
var state = {
scripts: [], // filled in by prepareScripts
start: new Date().getTime(), // timer for processing messages
i: 0, j: 0, // current script, current jax
jax: {}, // scripts grouped by output jax
jaxIDs: [] // id's of jax used
};
if (ec.count) {
queue.Push(
["Post",this.signal,["Begin "+action,elements]],
["Post",this.signal,["Begin Math",elements,action]],
["prepareScripts",this,action,elements,state],
["Post",this.signal,["Begin Math Input",elements,action]],
["processInput",this,state],
["Post",this.signal,["End Math Input",elements,action]],
["prepareOutput",this,state,"preProcess"],
["Post",this.signal,["Begin Math Output",elements,action]],
["processOutput",this,state],
["Post",this.signal,["End Math Output",elements,action]],
["prepareOutput",this,state,"postProcess"],
["Post",this.signal,["End Math",elements,action]],
["Post",this.signal,["End "+action,elements]]
);
}
return queue.Push(ec.callback);
},
@ -2357,6 +2352,7 @@ MathJax.Hub = {
if (callback == null && (element instanceof Array || typeof element === 'function'))
{try {MathJax.Callback(element); callback = element; element = null} catch(e) {}}
if (element == null) {element = this.config.elements || []}
if (element instanceof HTMLCollection) {element = [].slice.apply(element)}
if (!(element instanceof Array)) {element = [element]}
element = [].concat(element); // make a copy so the original isn't changed
for (var i = 0, m = element.length; i < m; i++)
@ -2364,11 +2360,15 @@ MathJax.Hub = {
if (!document.body) {document.body = document.getElementsByTagName("body")[0]}
if (element.length == 0) {element.push(document.body)}
if (!callback) {callback = {}}
return {elements: element, callback: callback};
return {
count: element.length,
elements: (element.length === 1 ? element[0] : element),
callback: callback
};
},
elementScripts: function (element) {
if (element instanceof Array) {
if (element instanceof Array || element instanceof HTMLCollection) {
var scripts = [];
for (var i = 0, m = element.length; i < m; i++)
{scripts.push.apply(scripts,this.elementScripts(element[i]))}