mirror of
https://github.com/renbaoshuo/S2OJ.git
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96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://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("scrollPastEnd", false, function(cm, val, old) {
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if (old && old != CodeMirror.Init) {
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cm.off("change", onChange);
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cm.off("refresh", updateBottomMargin);
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cm.display.lineSpace.parentNode.style.paddingBottom = "";
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cm.state.scrollPastEndPadding = null;
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}
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if (val) {
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cm.on("change", onChange);
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cm.on("refresh", updateBottomMargin);
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updateBottomMargin(cm);
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}
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});
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function onChange(cm, change) {
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if (CodeMirror.changeEnd(change).line == cm.lastLine())
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updateBottomMargin(cm);
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}
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function updateBottomMargin(cm) {
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var padding = "";
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if (cm.lineCount() > 1) {
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var totalH = cm.display.scroller.clientHeight - 30,
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lastLineH = cm.getLineHandle(cm.lastLine()).height;
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padding = (totalH - lastLineH) + "px";
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}
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if (cm.state.scrollPastEndPadding != padding) {
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cm.state.scrollPastEndPadding = padding;
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cm.display.lineSpace.parentNode.style.paddingBottom = padding;
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cm.setSize();
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}
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}
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});
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