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Allow page to enable/disable previews via API calls (for use with editor previews, for example).

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This commit is contained in:
Davide P. Cervone 2015-12-09 16:16:45 -05:00
parent d776874898
commit 7342aebe66
1 changed files with 9 additions and 2 deletions
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11
unpacked/extensions/fast-preview.js
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@ -33,6 +33,7 @@
var FastPreview = MathJax.Extension["fast-preview"] = {
version: "2.6.0-beta",
enabled: true,
//
// Configuration for the chunking of the main output
@ -62,7 +63,7 @@
HUB.Config({"HTML-CSS": config.Chunks, CommonHTML: config.Chunks, SVG: config.Chunks});
}
HUB.Register.MessageHook("Begin Math Output",function () {
if (!done && SETTINGS.FastPreview && SETTINGS.renderer !== "PreviewHTML") {
if (!done && SETTINGS.FastPreview && this.enabled && SETTINGS.renderer !== "PreviewHTML") {
update = HUB.processUpdateTime; delay = HUB.processUpdateDelay;
style = HUB.config.messageStyle;
HUB.processUpdateTime = config.updateTime;
@ -81,13 +82,19 @@
}
});
},
//
// Allow page to override user settings (for things like editor previews)
//
Disable: function () {this.enabled = false},
Enable: function () {this.enabled = true},
//
// Insert a preview span, if there isn't one already,
// and call the PreviewHTML output jax to create the preview
//
Preview: function (data) {
if (!SETTINGS.FastPreview || SETTINGS.renderer === "PreviewHTML") return;
if (!SETTINGS.FastPreview || !this.enabled || SETTINGS.renderer === "PreviewHTML") return;
var preview = data.script.MathJax.preview || data.script.previousSibling;
if (!preview || preview.className !== MathJax.Hub.config.preRemoveClass) {
preview = HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass});