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https://github.com/go-gitea/gitea
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1e9b330525
* Update CodeMirror to version 5.49.0 * Update CodeMirror versions in librejs and VERSIONS
73 lines
2.4 KiB
JavaScript
Vendored
73 lines
2.4 KiB
JavaScript
Vendored
// 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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var WRAP_CLASS = "CodeMirror-activeline";
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var BACK_CLASS = "CodeMirror-activeline-background";
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var GUTT_CLASS = "CodeMirror-activeline-gutter";
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CodeMirror.defineOption("styleActiveLine", false, function(cm, val, old) {
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var prev = old == CodeMirror.Init ? false : old;
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if (val == prev) return
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if (prev) {
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cm.off("beforeSelectionChange", selectionChange);
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clearActiveLines(cm);
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delete cm.state.activeLines;
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}
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if (val) {
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cm.state.activeLines = [];
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updateActiveLines(cm, cm.listSelections());
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cm.on("beforeSelectionChange", selectionChange);
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}
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});
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function clearActiveLines(cm) {
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for (var i = 0; i < cm.state.activeLines.length; i++) {
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cm.removeLineClass(cm.state.activeLines[i], "wrap", WRAP_CLASS);
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cm.removeLineClass(cm.state.activeLines[i], "background", BACK_CLASS);
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cm.removeLineClass(cm.state.activeLines[i], "gutter", GUTT_CLASS);
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}
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}
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function sameArray(a, b) {
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if (a.length != b.length) return false;
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for (var i = 0; i < a.length; i++)
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if (a[i] != b[i]) return false;
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return true;
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}
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function updateActiveLines(cm, ranges) {
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var active = [];
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for (var i = 0; i < ranges.length; i++) {
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var range = ranges[i];
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var option = cm.getOption("styleActiveLine");
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if (typeof option == "object" && option.nonEmpty ? range.anchor.line != range.head.line : !range.empty())
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continue
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var line = cm.getLineHandleVisualStart(range.head.line);
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if (active[active.length - 1] != line) active.push(line);
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}
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if (sameArray(cm.state.activeLines, active)) return;
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cm.operation(function() {
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clearActiveLines(cm);
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for (var i = 0; i < active.length; i++) {
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cm.addLineClass(active[i], "wrap", WRAP_CLASS);
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cm.addLineClass(active[i], "background", BACK_CLASS);
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cm.addLineClass(active[i], "gutter", GUTT_CLASS);
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}
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cm.state.activeLines = active;
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});
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}
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function selectionChange(cm, sel) {
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updateActiveLines(cm, sel.ranges);
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}
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});
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