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Making dpvc's changes

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This commit is contained in:
Jared Windover 2015-03-31 16:35:03 -04:00
parent ed85cf61ee
commit c3ed6ec086
1 changed files with 14 additions and 8 deletions
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22
test/sample-dynamic-2.html
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@ -23,6 +23,7 @@ var Preview = {
timeout: null, // store setTimout id timeout: null, // store setTimout id
mjRunning: false, // true when MathJax is processing mjRunning: false, // true when MathJax is processing
mjPending: false, // true when a typeset has been queued
oldText: null, // used to check if an update is needed oldText: null, // used to check if an update is needed
// //
@ -67,15 +68,20 @@ var Preview = {
// //
CreatePreview: function () { CreatePreview: function () {
Preview.timeout = null; Preview.timeout = null;
if (this.mjRunning) return; if (this.mjPending) return;
var text = document.getElementById("MathInput").value; var text = document.getElementById("MathInput").value;
if (text === this.oldtext) return; if (text === this.oldtext) return;
this.buffer.innerHTML = this.oldtext = text; if (this.mjRunning) {
this.mjRunning = true; this.mjPending = true;
MathJax.Hub.Queue( MathJax.Hub.Queue(["CreatePreview",this]);
["Typeset",MathJax.Hub,this.buffer], } else {
["PreviewDone",this] this.buffer.innerHTML = this.oldtext = text;
); this.mjRunning = true;
MathJax.Hub.Queue(
["Typeset",MathJax.Hub,this.buffer],
["PreviewDone",this]
);
}
}, },
// //
@ -83,7 +89,7 @@ var Preview = {
// and swap the buffers to show the results. // and swap the buffers to show the results.
// //
PreviewDone: function () { PreviewDone: function () {
this.mjRunning = false; this.mjRunning = this.mjPending = false;
this.SwapBuffers(); this.SwapBuffers();
} }