GPQAPP

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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  if (typeof exports == "object" && typeof module == "object") // CommonJS
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    mod(require("../../lib/codemirror"));
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  else if (typeof define == "function" && define.amd) // AMD
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    define(["../../lib/codemirror"], mod);
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  else // Plain browser env
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    mod(CodeMirror);
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})(function(CodeMirror) {
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  "use strict";
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  CodeMirror.defineOption("fullScreen", false, function(cm, val, old) {
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    if (old == CodeMirror.Init) old = false;
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    if (!old == !val) return;
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    if (val) setFullscreen(cm);
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    else setNormal(cm);
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  });
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  function setFullscreen(cm) {
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    var wrap = cm.getWrapperElement();
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    cm.state.fullScreenRestore = {scrollTop: window.pageYOffset, scrollLeft: window.pageXOffset,
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                                  width: wrap.style.width, height: wrap.style.height};
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    wrap.style.width = "";
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    wrap.style.height = "auto";
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    wrap.className += " CodeMirror-fullscreen";
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    document.documentElement.style.overflow = "hidden";
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    cm.refresh();
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  }
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  function setNormal(cm) {
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    var wrap = cm.getWrapperElement();
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    wrap.className = wrap.className.replace(/\s*CodeMirror-fullscreen\b/, "");
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    document.documentElement.style.overflow = "";
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    var info = cm.state.fullScreenRestore;
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    wrap.style.width = info.width; wrap.style.height = info.height;
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    window.scrollTo(info.scrollLeft, info.scrollTop);
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    cm.refresh();
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  }
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});
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