Subversion-Projekte lars-tiefland.cienc

// 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)

  };

});

});