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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

// A rough approximation of Sublime Text's keybindings
// Depends on addon/search/searchcursor.js and optionally addon/dialog/dialogs.js

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../lib/codemirror"), require("../addon/search/searchcursor"), require("../addon/edit/matchbrackets"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../lib/codemirror", "../addon/search/searchcursor", "../addon/edit/matchbrackets"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  "use strict";

  var cmds = CodeMirror.commands;
  var Pos = CodeMirror.Pos;

  // This is not exactly Sublime's algorithm. I couldn't make heads or tails of that.
  function findPosSubword(doc, start, dir) {
    if (dir < 0 && start.ch == 0) return doc.clipPos(Pos(start.line - 1));
    var line = doc.getLine(start.line);
    if (dir > 0 && start.ch >= line.length) return doc.clipPos(Pos(start.line + 1, 0));
    var state = "start", type, startPos = start.ch;
    for (var pos = startPos, e = dir < 0 ? 0 : line.length, i = 0; pos != e; pos += dir, i++) {
      var next = line.charAt(dir < 0 ? pos - 1 : pos);
      var cat = next != "_" && CodeMirror.isWordChar(next) ? "w" : "o";
      if (cat == "w" && next.toUpperCase() == next) cat = "W";
      if (state == "start") {
        if (cat != "o") { state = "in"; type = cat; }
        else startPos = pos + dir
      } else if (state == "in") {
        if (type != cat) {
          if (type == "w" && cat == "W" && dir < 0) pos--;
          if (type == "W" && cat == "w" && dir > 0) { // From uppercase to lowercase
            if (pos == startPos + 1) { type = "w"; continue; }
            else pos--;
          }
          break;
        }
      }
    }
    return Pos(start.line, pos);
  }

  function moveSubword(cm, dir) {
    cm.extendSelectionsBy(function(range) {
      if (cm.display.shift || cm.doc.extend || range.empty())
        return findPosSubword(cm.doc, range.head, dir);
      else
        return dir < 0 ? range.from() : range.to();
    });
  }

  cmds.goSubwordLeft = function(cm) { moveSubword(cm, -1); };
  cmds.goSubwordRight = function(cm) { moveSubword(cm, 1); };

  cmds.scrollLineUp = function(cm) {
    var info = cm.getScrollInfo();
    if (!cm.somethingSelected()) {
      var visibleBottomLine = cm.lineAtHeight(info.top + info.clientHeight, "local");
      if (cm.getCursor().line >= visibleBottomLine)
        cm.execCommand("goLineUp");
    }
    cm.scrollTo(null, info.top - cm.defaultTextHeight());
  };
  cmds.scrollLineDown = function(cm) {
    var info = cm.getScrollInfo();
    if (!cm.somethingSelected()) {
      var visibleTopLine = cm.lineAtHeight(info.top, "local")+1;
      if (cm.getCursor().line <= visibleTopLine)
        cm.execCommand("goLineDown");
    }
    cm.scrollTo(null, info.top + cm.defaultTextHeight());
  };

  cmds.splitSelectionByLine = function(cm) {
    var ranges = cm.listSelections(), lineRanges = [];
    for (var i = 0; i < ranges.length; i++) {
      var from = ranges[i].from(), to = ranges[i].to();
      for (var line = from.line; line <= to.line; ++line)
        if (!(to.line > from.line && line == to.line && to.ch == 0))
          lineRanges.push({anchor: line == from.line ? from : Pos(line, 0),
                           head: line == to.line ? to : Pos(line)});
    }
    cm.setSelections(lineRanges, 0);
  };

  cmds.singleSelectionTop = function(cm) {
    var range = cm.listSelections()[0];
    cm.setSelection(range.anchor, range.head, {scroll: false});
  };

  cmds.selectLine = function(cm) {
    var ranges = cm.listSelections(), extended = [];
    for (var i = 0; i < ranges.length; i++) {
      var range = ranges[i];
      extended.push({anchor: Pos(range.from().line, 0),
                     head: Pos(range.to().line + 1, 0)});
    }
    cm.setSelections(extended);
  };

  function insertLine(cm, above) {
    if (cm.isReadOnly()) return CodeMirror.Pass
    cm.operation(function() {
      var len = cm.listSelections().length, newSelection = [], last = -1;
      for (var i = 0; i < len; i++) {
        var head = cm.listSelections()[i].head;
        if (head.line <= last) continue;
        var at = Pos(head.line + (above ? 0 : 1), 0);
        cm.replaceRange("\n", at, null, "+insertLine");
        cm.indentLine(at.line, null, true);
        newSelection.push({head: at, anchor: at});
        last = head.line + 1;
      }
      cm.setSelections(newSelection);
    });
    cm.execCommand("indentAuto");
  }

  cmds.insertLineAfter = function(cm) { return insertLine(cm, false); };

  cmds.insertLineBefore = function(cm) { return insertLine(cm, true); };

  function wordAt(cm, pos) {
    var start = pos.ch, end = start, line = cm.getLine(pos.line);
    while (start && CodeMirror.isWordChar(line.charAt(start - 1))) --start;
    while (end < line.length && CodeMirror.isWordChar(line.charAt(end))) ++end;
    return {from: Pos(pos.line, start), to: Pos(pos.line, end), word: line.slice(start, end)};
  }

  cmds.selectNextOccurrence = function(cm) {
    var from = cm.getCursor("from"), to = cm.getCursor("to");
    var fullWord = cm.state.sublimeFindFullWord == cm.doc.sel;
    if (CodeMirror.cmpPos(from, to) == 0) {
      var word = wordAt(cm, from);
      if (!word.word) return;
      cm.setSelection(word.from, word.to);
      fullWord = true;
    } else {
      var text = cm.getRange(from, to);
      var query = fullWord ? new RegExp("\\b" + text + "\\b") : text;
      var cur = cm.getSearchCursor(query, to);
      var found = cur.findNext();
      if (!found) {
        cur = cm.getSearchCursor(query, Pos(cm.firstLine(), 0));
        found = cur.findNext();
      }
      if (!found || isSelectedRange(cm.listSelections(), cur.from(), cur.to())) return
      cm.addSelection(cur.from(), cur.to());
    }
    if (fullWord)
      cm.state.sublimeFindFullWord = cm.doc.sel;
  };

  cmds.skipAndSelectNextOccurrence = function(cm) {
    var prevAnchor = cm.getCursor("anchor"), prevHead = cm.getCursor("head");
    cmds.selectNextOccurrence(cm);
    if (CodeMirror.cmpPos(prevAnchor, prevHead) != 0) {
      cm.doc.setSelections(cm.doc.listSelections()
          .filter(function (sel) {
            return sel.anchor != prevAnchor || sel.head != prevHead;
          }));
    }
  }

  function addCursorToSelection(cm, dir) {
    var ranges = cm.listSelections(), newRanges = [];
    for (var i = 0; i < ranges.length; i++) {
      var range = ranges[i];
      var newAnchor = cm.findPosV(
          range.anchor, dir, "line", range.anchor.goalColumn);
      var newHead = cm.findPosV(
          range.head, dir, "line", range.head.goalColumn);
      newAnchor.goalColumn = range.anchor.goalColumn != null ?
          range.anchor.goalColumn : cm.cursorCoords(range.anchor, "div").left;
      newHead.goalColumn = range.head.goalColumn != null ?
          range.head.goalColumn : cm.cursorCoords(range.head, "div").left;
      var newRange = {anchor: newAnchor, head: newHead};
      newRanges.push(range);
      newRanges.push(newRange);
    }
    cm.setSelections(newRanges);
  }
  cmds.addCursorToPrevLine = function(cm) { addCursorToSelection(cm, -1); };
  cmds.addCursorToNextLine = function(cm) { addCursorToSelection(cm, 1); };

  function isSelectedRange(ranges, from, to) {
    for (var i = 0; i < ranges.length; i++)
      if (CodeMirror.cmpPos(ranges[i].from(), from) == 0 &&
          CodeMirror.cmpPos(ranges[i].to(), to) == 0) return true
    return false
  }

  var mirror = "(){}[]";
  function selectBetweenBrackets(cm) {
    var ranges = cm.listSelections(), newRanges = []
    for (var i = 0; i < ranges.length; i++) {
      var range = ranges[i], pos = range.head, opening = cm.scanForBracket(pos, -1);
      if (!opening) return false;
      for (;;) {
        var closing = cm.scanForBracket(pos, 1);
        if (!closing) return false;
        if (closing.ch == mirror.charAt(mirror.indexOf(opening.ch) + 1)) {
          var startPos = Pos(opening.pos.line, opening.pos.ch + 1);
          if (CodeMirror.cmpPos(startPos, range.from()) == 0 &&
              CodeMirror.cmpPos(closing.pos, range.to()) == 0) {
            opening = cm.scanForBracket(opening.pos, -1);
            if (!opening) return false;
          } else {
            newRanges.push({anchor: startPos, head: closing.pos});
            break;
          }
        }
        pos = Pos(closing.pos.line, closing.pos.ch + 1);
      }
    }
    cm.setSelections(newRanges);
    return true;
  }

  cmds.selectScope = function(cm) {
    selectBetweenBrackets(cm) || cm.execCommand("selectAll");
  };
  cmds.selectBetweenBrackets = function(cm) {
    if (!selectBetweenBrackets(cm)) return CodeMirror.Pass;
  };

  function puncType(type) {
    return !type ? null : /\bpunctuation\b/.test(type) ? type : undefined
  }

  cmds.goToBracket = function(cm) {
    cm.extendSelectionsBy(function(range) {
      var next = cm.scanForBracket(range.head, 1, puncType(cm.getTokenTypeAt(range.head)));
      if (next && CodeMirror.cmpPos(next.pos, range.head) != 0) return next.pos;
      var prev = cm.scanForBracket(range.head, -1, puncType(cm.getTokenTypeAt(Pos(range.head.line, range.head.ch + 1))));
      return prev && Pos(prev.pos.line, prev.pos.ch + 1) || range.head;
    });
  };

  cmds.swapLineUp = function(cm) {
    if (cm.isReadOnly()) return CodeMirror.Pass
    var ranges = cm.listSelections(), linesToMove = [], at = cm.firstLine() - 1, newSels = [];
    for (var i = 0; i < ranges.length; i++) {
      var range = ranges[i], from = range.from().line - 1, to = range.to().line;
      newSels.push({anchor: Pos(range.anchor.line - 1, range.anchor.ch),
                    head: Pos(range.head.line - 1, range.head.ch)});
      if (range.to().ch == 0 && !range.empty()) --to;
      if (from > at) linesToMove.push(from, to);
      else if (linesToMove.length) linesToMove[linesToMove.length - 1] = to;
      at = to;
    }
    cm.operation(function() {
      for (var i = 0; i < linesToMove.length; i += 2) {
        var from = linesToMove[i], to = linesToMove[i + 1];
        var line = cm.getLine(from);
        cm.replaceRange("", Pos(from, 0), Pos(from + 1, 0), "+swapLine");
        if (to > cm.lastLine())
          cm.replaceRange("\n" + line, Pos(cm.lastLine()), null, "+swapLine");
        else
          cm.replaceRange(line + "\n", Pos(to, 0), null, "+swapLine");
      }
      cm.setSelections(newSels);
      cm.scrollIntoView();
    });
  };

  cmds.swapLineDown = function(cm) {
    if (cm.isReadOnly()) return CodeMirror.Pass
    var ranges = cm.listSelections(), linesToMove = [], at = cm.lastLine() + 1;
    for (var i = ranges.length - 1; i >= 0; i--) {
      var range = ranges[i], from = range.to().line + 1, to = range.from().line;
      if (range.to().ch == 0 && !range.empty()) from--;
      if (from < at) linesToMove.push(from, to);
      else if (linesToMove.length) linesToMove[linesToMove.length - 1] = to;
      at = to;
    }
    cm.operation(function() {
      for (var i = linesToMove.length - 2; i >= 0; i -= 2) {
        var from = linesToMove[i], to = linesToMove[i + 1];
        var line = cm.getLine(from);
        if (from == cm.lastLine())
          cm.replaceRange("", Pos(from - 1), Pos(from), "+swapLine");
        else
          cm.replaceRange("", Pos(from, 0), Pos(from + 1, 0), "+swapLine");
        cm.replaceRange(line + "\n", Pos(to, 0), null, "+swapLine");
      }
      cm.scrollIntoView();
    });
  };

  cmds.toggleCommentIndented = function(cm) {
    cm.toggleComment({ indent: true });
  }

  cmds.joinLines = function(cm) {
    var ranges = cm.listSelections(), joined = [];
    for (var i = 0; i < ranges.length; i++) {
      var range = ranges[i], from = range.from();
      var start = from.line, end = range.to().line;
      while (i < ranges.length - 1 && ranges[i + 1].from().line == end)
        end = ranges[++i].to().line;
      joined.push({start: start, end: end, anchor: !range.empty() && from});
    }
    cm.operation(function() {
      var offset = 0, ranges = [];
      for (var i = 0; i < joined.length; i++) {
        var obj = joined[i];
        var anchor = obj.anchor && Pos(obj.anchor.line - offset, obj.anchor.ch), head;
        for (var line = obj.start; line <= obj.end; line++) {
          var actual = line - offset;
          if (line == obj.end) head = Pos(actual, cm.getLine(actual).length + 1);
          if (actual < cm.lastLine()) {
            cm.replaceRange(" ", Pos(actual), Pos(actual + 1, /^\s*/.exec(cm.getLine(actual + 1))[0].length));
            ++offset;
          }
        }
        ranges.push({anchor: anchor || head, head: head});
      }
      cm.setSelections(ranges, 0);
    });
  };

  cmds.duplicateLine = function(cm) {
    cm.operation(function() {
      var rangeCount = cm.listSelections().length;
      for (var i = 0; i < rangeCount; i++) {
        var range = cm.listSelections()[i];
        if (range.empty())
          cm.replaceRange(cm.getLine(range.head.line) + "\n", Pos(range.head.line, 0));
        else
          cm.replaceRange(cm.getRange(range.from(), range.to()), range.from());
      }
      cm.scrollIntoView();
    });
  };


  function sortLines(cm, caseSensitive, direction) {
    if (cm.isReadOnly()) return CodeMirror.Pass
    var ranges = cm.listSelections(), toSort = [], selected;
    for (var i = 0; i < ranges.length; i++) {
      var range = ranges[i];
      if (range.empty()) continue;
      var from = range.from().line, to = range.to().line;
      while (i < ranges.length - 1 && ranges[i + 1].from().line == to)
        to = ranges[++i].to().line;
      if (!ranges[i].to().ch) to--;
      toSort.push(from, to);
    }
    if (toSort.length) selected = true;
    else toSort.push(cm.firstLine(), cm.lastLine());

    cm.operation(function() {
      var ranges = [];
      for (var i = 0; i < toSort.length; i += 2) {
        var from = toSort[i], to = toSort[i + 1];
        var start = Pos(from, 0), end = Pos(to);
        var lines = cm.getRange(start, end, false);
        if (caseSensitive)
          lines.sort(function(a, b) { return a < b ? -direction : a == b ? 0 : direction; });
        else
          lines.sort(function(a, b) {
            var au = a.toUpperCase(), bu = b.toUpperCase();
            if (au != bu) { a = au; b = bu; }
            return a < b ? -direction : a == b ? 0 : direction;
          });
        cm.replaceRange(lines, start, end);
        if (selected) ranges.push({anchor: start, head: Pos(to + 1, 0)});
      }
      if (selected) cm.setSelections(ranges, 0);
    });
  }

  cmds.sortLines = function(cm) { sortLines(cm, true, 1); };
  cmds.reverseSortLines = function(cm) { sortLines(cm, true, -1); };
  cmds.sortLinesInsensitive = function(cm) { sortLines(cm, false, 1); };
  cmds.reverseSortLinesInsensitive = function(cm) { sortLines(cm, false, -1); };

  cmds.nextBookmark = function(cm) {
    var marks = cm.state.sublimeBookmarks;
    if (marks) while (marks.length) {
      var current = marks.shift();
      var found = current.find();
      if (found) {
        marks.push(current);
        return cm.setSelection(found.from, found.to);
      }
    }
  };

  cmds.prevBookmark = function(cm) {
    var marks = cm.state.sublimeBookmarks;
    if (marks) while (marks.length) {
      marks.unshift(marks.pop());
      var found = marks[marks.length - 1].find();
      if (!found)
        marks.pop();
      else
        return cm.setSelection(found.from, found.to);
    }
  };

  cmds.toggleBookmark = function(cm) {
    var ranges = cm.listSelections();
    var marks = cm.state.sublimeBookmarks || (cm.state.sublimeBookmarks = []);
    for (var i = 0; i < ranges.length; i++) {
      var from = ranges[i].from(), to = ranges[i].to();
      var found = ranges[i].empty() ? cm.findMarksAt(from) : cm.findMarks(from, to);
      for (var j = 0; j < found.length; j++) {
        if (found[j].sublimeBookmark) {
          found[j].clear();
          for (var k = 0; k < marks.length; k++)
            if (marks[k] == found[j])
              marks.splice(k--, 1);
          break;
        }
      }
      if (j == found.length)
        marks.push(cm.markText(from, to, {sublimeBookmark: true, clearWhenEmpty: false}));
    }
  };

  cmds.clearBookmarks = function(cm) {
    var marks = cm.state.sublimeBookmarks;
    if (marks) for (var i = 0; i < marks.length; i++) marks[i].clear();
    marks.length = 0;
  };

  cmds.selectBookmarks = function(cm) {
    var marks = cm.state.sublimeBookmarks, ranges = [];
    if (marks) for (var i = 0; i < marks.length; i++) {
      var found = marks[i].find();
      if (!found)
        marks.splice(i--, 0);
      else
        ranges.push({anchor: found.from, head: found.to});
    }
    if (ranges.length)
      cm.setSelections(ranges, 0);
  };

  function modifyWordOrSelection(cm, mod) {
    cm.operation(function() {
      var ranges = cm.listSelections(), indices = [], replacements = [];
      for (var i = 0; i < ranges.length; i++) {
        var range = ranges[i];
        if (range.empty()) { indices.push(i); replacements.push(""); }
        else replacements.push(mod(cm.getRange(range.from(), range.to())));
      }
      cm.replaceSelections(replacements, "around", "case");
      for (var i = indices.length - 1, at; i >= 0; i--) {
        var range = ranges[indices[i]];
        if (at && CodeMirror.cmpPos(range.head, at) > 0) continue;
        var word = wordAt(cm, range.head);
        at = word.from;
        cm.replaceRange(mod(word.word), word.from, word.to);
      }
    });
  }

  cmds.smartBackspace = function(cm) {
    if (cm.somethingSelected()) return CodeMirror.Pass;

    cm.operation(function() {
      var cursors = cm.listSelections();
      var indentUnit = cm.getOption("indentUnit");

      for (var i = cursors.length - 1; i >= 0; i--) {
        var cursor = cursors[i].head;
        var toStartOfLine = cm.getRange({line: cursor.line, ch: 0}, cursor);
        var column = CodeMirror.countColumn(toStartOfLine, null, cm.getOption("tabSize"));

        // Delete by one character by default
        var deletePos = cm.findPosH(cursor, -1, "char", false);

        if (toStartOfLine && !/\S/.test(toStartOfLine) && column % indentUnit == 0) {
          var prevIndent = new Pos(cursor.line,
            CodeMirror.findColumn(toStartOfLine, column - indentUnit, indentUnit));

          // Smart delete only if we found a valid prevIndent location
          if (prevIndent.ch != cursor.ch) deletePos = prevIndent;
        }

        cm.replaceRange("", deletePos, cursor, "+delete");
      }
    });
  };

  cmds.delLineRight = function(cm) {
    cm.operation(function() {
      var ranges = cm.listSelections();
      for (var i = ranges.length - 1; i >= 0; i--)
        cm.replaceRange("", ranges[i].anchor, Pos(ranges[i].to().line), "+delete");
      cm.scrollIntoView();
    });
  };

  cmds.upcaseAtCursor = function(cm) {
    modifyWordOrSelection(cm, function(str) { return str.toUpperCase(); });
  };
  cmds.downcaseAtCursor = function(cm) {
    modifyWordOrSelection(cm, function(str) { return str.toLowerCase(); });
  };

  cmds.setSublimeMark = function(cm) {
    if (cm.state.sublimeMark) cm.state.sublimeMark.clear();
    cm.state.sublimeMark = cm.setBookmark(cm.getCursor());
  };
  cmds.selectToSublimeMark = function(cm) {
    var found = cm.state.sublimeMark && cm.state.sublimeMark.find();
    if (found) cm.setSelection(cm.getCursor(), found);
  };
  cmds.deleteToSublimeMark = function(cm) {
    var found = cm.state.sublimeMark && cm.state.sublimeMark.find();
    if (found) {
      var from = cm.getCursor(), to = found;
      if (CodeMirror.cmpPos(from, to) > 0) { var tmp = to; to = from; from = tmp; }
      cm.state.sublimeKilled = cm.getRange(from, to);
      cm.replaceRange("", from, to);
    }
  };
  cmds.swapWithSublimeMark = function(cm) {
    var found = cm.state.sublimeMark && cm.state.sublimeMark.find();
    if (found) {
      cm.state.sublimeMark.clear();
      cm.state.sublimeMark = cm.setBookmark(cm.getCursor());
      cm.setCursor(found);
    }
  };
  cmds.sublimeYank = function(cm) {
    if (cm.state.sublimeKilled != null)
      cm.replaceSelection(cm.state.sublimeKilled, null, "paste");
  };

  cmds.showInCenter = function(cm) {
    var pos = cm.cursorCoords(null, "local");
    cm.scrollTo(null, (pos.top + pos.bottom) / 2 - cm.getScrollInfo().clientHeight / 2);
  };

  function getTarget(cm) {
    var from = cm.getCursor("from"), to = cm.getCursor("to");
    if (CodeMirror.cmpPos(from, to) == 0) {
      var word = wordAt(cm, from);
      if (!word.word) return;
      from = word.from;
      to = word.to;
    }
    return {from: from, to: to, query: cm.getRange(from, to), word: word};
  }

  function findAndGoTo(cm, forward) {
    var target = getTarget(cm);
    if (!target) return;
    var query = target.query;
    var cur = cm.getSearchCursor(query, forward ? target.to : target.from);

    if (forward ? cur.findNext() : cur.findPrevious()) {
      cm.setSelection(cur.from(), cur.to());
    } else {
      cur = cm.getSearchCursor(query, forward ? Pos(cm.firstLine(), 0)
                                              : cm.clipPos(Pos(cm.lastLine())));
      if (forward ? cur.findNext() : cur.findPrevious())
        cm.setSelection(cur.from(), cur.to());
      else if (target.word)
        cm.setSelection(target.from, target.to);
    }
  };
  cmds.findUnder = function(cm) { findAndGoTo(cm, true); };
  cmds.findUnderPrevious = function(cm) { findAndGoTo(cm,false); };
  cmds.findAllUnder = function(cm) {
    var target = getTarget(cm);
    if (!target) return;
    var cur = cm.getSearchCursor(target.query);
    var matches = [];
    var primaryIndex = -1;
    while (cur.findNext()) {
      matches.push({anchor: cur.from(), head: cur.to()});
      if (cur.from().line <= target.from.line && cur.from().ch <= target.from.ch)
        primaryIndex++;
    }
    cm.setSelections(matches, primaryIndex);
  };


  var keyMap = CodeMirror.keyMap;
  keyMap.macSublime = {
    "Cmd-Left": "goLineStartSmart",
    "Shift-Tab": "indentLess",
    "Shift-Ctrl-K": "deleteLine",
    "Alt-Q": "wrapLines",
    "Ctrl-Left": "goSubwordLeft",
    "Ctrl-Right": "goSubwordRight",
    "Ctrl-Alt-Up": "scrollLineUp",
    "Ctrl-Alt-Down": "scrollLineDown",
    "Cmd-L": "selectLine",
    "Shift-Cmd-L": "splitSelectionByLine",
    "Esc": "singleSelectionTop",
    "Cmd-Enter": "insertLineAfter",
    "Shift-Cmd-Enter": "insertLineBefore",
    "Cmd-D": "selectNextOccurrence",
    "Shift-Cmd-Space": "selectScope",
    "Shift-Cmd-M": "selectBetweenBrackets",
    "Cmd-M": "goToBracket",
    "Cmd-Ctrl-Up": "swapLineUp",
    "Cmd-Ctrl-Down": "swapLineDown",
    "Cmd-/": "toggleCommentIndented",
    "Cmd-J": "joinLines",
    "Shift-Cmd-D": "duplicateLine",
    "F5": "sortLines",
    "Shift-F5": "reverseSortLines",
    "Cmd-F5": "sortLinesInsensitive",
    "Shift-Cmd-F5": "reverseSortLinesInsensitive",
    "F2": "nextBookmark",
    "Shift-F2": "prevBookmark",
    "Cmd-F2": "toggleBookmark",
    "Shift-Cmd-F2": "clearBookmarks",
    "Alt-F2": "selectBookmarks",
    "Backspace": "smartBackspace",
    "Cmd-K Cmd-D": "skipAndSelectNextOccurrence",
    "Cmd-K Cmd-K": "delLineRight",
    "Cmd-K Cmd-U": "upcaseAtCursor",
    "Cmd-K Cmd-L": "downcaseAtCursor",
    "Cmd-K Cmd-Space": "setSublimeMark",
    "Cmd-K Cmd-A": "selectToSublimeMark",
    "Cmd-K Cmd-W": "deleteToSublimeMark",
    "Cmd-K Cmd-X": "swapWithSublimeMark",
    "Cmd-K Cmd-Y": "sublimeYank",
    "Cmd-K Cmd-C": "showInCenter",
    "Cmd-K Cmd-G": "clearBookmarks",
    "Cmd-K Cmd-Backspace": "delLineLeft",
    "Cmd-K Cmd-1": "foldAll",
    "Cmd-K Cmd-0": "unfoldAll",
    "Cmd-K Cmd-J": "unfoldAll",
    "Ctrl-Shift-Up": "addCursorToPrevLine",
    "Ctrl-Shift-Down": "addCursorToNextLine",
    "Cmd-F3": "findUnder",
    "Shift-Cmd-F3": "findUnderPrevious",
    "Alt-F3": "findAllUnder",
    "Shift-Cmd-[": "fold",
    "Shift-Cmd-]": "unfold",
    "Cmd-I": "findIncremental",
    "Shift-Cmd-I": "findIncrementalReverse",
    "Cmd-H": "replace",
    "F3": "findNext",
    "Shift-F3": "findPrev",
    "fallthrough": "macDefault"
  };
  CodeMirror.normalizeKeyMap(keyMap.macSublime);

  keyMap.pcSublime = {
    "Shift-Tab": "indentLess",
    "Shift-Ctrl-K": "deleteLine",
    "Alt-Q": "wrapLines",
    "Ctrl-T": "transposeChars",
    "Alt-Left": "goSubwordLeft",
    "Alt-Right": "goSubwordRight",
    "Ctrl-Up": "scrollLineUp",
    "Ctrl-Down": "scrollLineDown",
    "Ctrl-L": "selectLine",
    "Shift-Ctrl-L": "splitSelectionByLine",
    "Esc": "singleSelectionTop",
    "Ctrl-Enter": "insertLineAfter",
    "Shift-Ctrl-Enter": "insertLineBefore",
    "Ctrl-D": "selectNextOccurrence",
    "Shift-Ctrl-Space": "selectScope",
    "Shift-Ctrl-M": "selectBetweenBrackets",
    "Ctrl-M": "goToBracket",
    "Shift-Ctrl-Up": "swapLineUp",
    "Shift-Ctrl-Down": "swapLineDown",
    "Ctrl-/": "toggleCommentIndented",
    "Ctrl-J": "joinLines",
    "Shift-Ctrl-D": "duplicateLine",
    "F9": "sortLines",
    "Shift-F9": "reverseSortLines",
    "Ctrl-F9": "sortLinesInsensitive",
    "Shift-Ctrl-F9": "reverseSortLinesInsensitive",
    "F2": "nextBookmark",
    "Shift-F2": "prevBookmark",
    "Ctrl-F2": "toggleBookmark",
    "Shift-Ctrl-F2": "clearBookmarks",
    "Alt-F2": "selectBookmarks",
    "Backspace": "smartBackspace",
    "Ctrl-K Ctrl-D": "skipAndSelectNextOccurrence",
    "Ctrl-K Ctrl-K": "delLineRight",
    "Ctrl-K Ctrl-U": "upcaseAtCursor",
    "Ctrl-K Ctrl-L": "downcaseAtCursor",
    "Ctrl-K Ctrl-Space": "setSublimeMark",
    "Ctrl-K Ctrl-A": "selectToSublimeMark",
    "Ctrl-K Ctrl-W": "deleteToSublimeMark",
    "Ctrl-K Ctrl-X": "swapWithSublimeMark",
    "Ctrl-K Ctrl-Y": "sublimeYank",
    "Ctrl-K Ctrl-C": "showInCenter",
    "Ctrl-K Ctrl-G": "clearBookmarks",
    "Ctrl-K Ctrl-Backspace": "delLineLeft",
    "Ctrl-K Ctrl-1": "foldAll",
    "Ctrl-K Ctrl-0": "unfoldAll",
    "Ctrl-K Ctrl-J": "unfoldAll",
    "Ctrl-Alt-Up": "addCursorToPrevLine",
    "Ctrl-Alt-Down": "addCursorToNextLine",
    "Ctrl-F3": "findUnder",
    "Shift-Ctrl-F3": "findUnderPrevious",
    "Alt-F3": "findAllUnder",
    "Shift-Ctrl-[": "fold",
    "Shift-Ctrl-]": "unfold",
    "Ctrl-I": "findIncremental",
    "Shift-Ctrl-I": "findIncrementalReverse",
    "Ctrl-H": "replace",
    "F3": "findNext",
    "Shift-F3": "findPrev",
    "fallthrough": "pcDefault"
  };
  CodeMirror.normalizeKeyMap(keyMap.pcSublime);

  var mac = keyMap.default == keyMap.macDefault;
  keyMap.sublime = mac ? keyMap.macSublime : keyMap.pcSublime;
});