mirror of
https://github.com/hedgedoc/hedgedoc.git
synced 2024-12-04 18:51:42 -05:00
45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
|
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
||
|
|
// Distributed under an MIT license: http://codemirror.net/LICENSE
|
||
|
|
|
||
|
|
(function(mod) {
|
||
|
|
if (typeof exports == "object" && typeof module == "object") // CommonJS
|
||
|
|
mod(require("../../lib/codemirror"));
|
||
|
|
else if (typeof define == "function" && define.amd) // AMD
|
||
|
|
define(["../../lib/codemirror"], mod);
|
||
|
|
else // Plain browser env
|
||
|
|
mod(CodeMirror);
|
||
|
|
})(function(CodeMirror) {
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
CodeMirror.registerHelper("fold", "indent", function(cm, start) {
|
||
|
|
var tabSize = cm.getOption("tabSize"), firstLine = cm.getLine(start.line);
|
||
|
|
if (!/\S/.test(firstLine)) return;
|
||
|
|
var getIndent = function(line) {
|
||
|
|
return CodeMirror.countColumn(line, null, tabSize);
|
||
|
|
};
|
||
|
|
var myIndent = getIndent(firstLine);
|
||
|
|
var lastLineInFold = null;
|
||
|
|
// Go through lines until we find a line that definitely doesn't belong in
|
||
|
|
// the block we're folding, or to the end.
|
||
|
|
for (var i = start.line + 1, end = cm.lastLine(); i <= end; ++i) {
|
||
|
|
var curLine = cm.getLine(i);
|
||
|
|
var curIndent = getIndent(curLine);
|
||
|
|
if (curIndent > myIndent) {
|
||
|
|
// Lines with a greater indent are considered part of the block.
|
||
|
|
lastLineInFold = i;
|
||
|
|
} else if (!/\S/.test(curLine)) {
|
||
|
|
// Empty lines might be breaks within the block we're trying to fold.
|
||
|
|
} else {
|
||
|
|
// A non-empty line at an indent equal to or less than ours marks the
|
||
|
|
// start of another block.
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (lastLineInFold) return {
|
||
|
|
from: CodeMirror.Pos(start.line, firstLine.length),
|
||
|
|
to: CodeMirror.Pos(lastLineInFold, cm.getLine(lastLineInFold).length)
|
||
|
|
};
|
||
|
|
});
|
||
|
|
|
||
|
|
});
|