mirror of
https://github.com/go-gitea/gitea
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49 lines
1.5 KiB
JavaScript
49 lines
1.5 KiB
JavaScript
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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("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.off("refresh", updateBottomMargin);
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cm.setSize();
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cm.on("refresh", updateBottomMargin);
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}
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}
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});
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