Merge pull request #396 from ananyasen/codemirror2.3-upgrade

upgrade to codemirror 2.3

2 files changed, 675 insertions, 256 deletions

diff --git a/imports/codemirror/keymap/emacs.js b/imports/codemirror/keymap/emacs.js
index 8fd3564e..2a57e2ff 100644
--- a/imports/codemirror/keymap/emacs.js
+++ b/imports/codemirror/keymap/emacs.js
@@ -18,12 +18,12 @@
     "Alt-Y": function(cm) {cm.replaceSelection(popFromRing());},
     "Ctrl-/": "undo", "Shift-Ctrl--": "undo", "Shift-Alt-,": "goDocStart", "Shift-Alt-.": "goDocEnd",
     "Ctrl-S": "findNext", "Ctrl-R": "findPrev", "Ctrl-G": "clearSearch", "Shift-Alt-5": "replace",
-    "Ctrl-Z": "undo", "Cmd-Z": "undo",
+    "Ctrl-Z": "undo", "Cmd-Z": "undo", "Alt-/": "autocomplete",
     fallthrough: ["basic", "emacsy"]
   };
 
   CodeMirror.keyMap["emacs-Ctrl-X"] = {
     "Ctrl-S": "save", "Ctrl-W": "save", "S": "saveAll", "F": "open", "U": "undo", "K": "close",
-    auto: "emacs", catchall: function(cm) {/*ignore*/}
+    auto: "emacs", nofallthrough: true
   };
 })();
diff --git a/imports/codemirror/keymap/vim.js b/imports/codemirror/keymap/vim.js
index f8fa5e07..2aa6e0f7 100644
--- a/imports/codemirror/keymap/vim.js
+++ b/imports/codemirror/keymap/vim.js
@@ -1,21 +1,96 @@
+// Supported keybindings:
+//
+// Cursor movement:
+// h, j, k, l
+// e, E, w, W, b, B
+// Ctrl-f, Ctrl-b
+// Ctrl-n, Ctrl-p
+// $, ^, 0
+// G
+// ge, gE
+// gg
+// f<char>, F<char>, t<char>, T<char>
+// Ctrl-o, Ctrl-i TODO (FIXME - Ctrl-O wont work in Chrome)
+// /, ?, n, N TODO (does not work)
+// #, * TODO
+//
+// Entering insert mode:
+// i, I, a, A, o, O
+// s
+// ce, cb (without support for number of actions like c3e - TODO)
+// cc
+// S, C TODO
+// cf<char>, cF<char>, ct<char>, cT<char>
+//
+// Deleting text:
+// x, X
+// J
+// dd, D
+// de, db (without support for number of actions like d3e - TODO)
+// df<char>, dF<char>, dt<char>, dT<char>
+//
+// Yanking and pasting:
+// yy, Y
+// p, P
+// p'<char> TODO - test
+// y'<char> TODO - test
+// m<char> TODO - test
+//
+// Changing text in place:
+// ~
+// r<char>
+//
+// Visual mode:
+// v, V TODO
+//
+// Misc:
+// . TODO
+//
+
 (function() {
   var count = "";
   var sdir = "f";
   var buf = "";
   var yank = 0;
   var mark = [];
+  var reptTimes = 0;
   function emptyBuffer() { buf = ""; }
-  function pushInBuffer(str) { buf += str; };
-  function pushCountDigit(digit) { return function(cm) {count += digit;} }
-  function popCount() { var i = parseInt(count); count = ""; return i || 1; }
+  function pushInBuffer(str) { buf += str; }
+  function pushCountDigit(digit) { return function(cm) {count += digit;}; }
+  function popCount() { var i = parseInt(count, 10); count = ""; return i || 1; }
+  function iterTimes(func) {
+    for (var i = 0, c = popCount(); i < c; ++i) func(i, i == c - 1);
+  }
   function countTimes(func) {
     if (typeof func == "string") func = CodeMirror.commands[func];
-    return function(cm) { for (var i = 0, c = popCount(); i < c; ++i) func(cm); }
+    return function(cm) { iterTimes(function () { func(cm); }); };
   }
 
   function iterObj(o, f) {
     for (var prop in o) if (o.hasOwnProperty(prop)) f(prop, o[prop]);
   }
+  function iterList(l, f) {
+    for (var i in l) f(l[i]);
+  }
+  function toLetter(ch) {
+    // T -> t, Shift-T -> T, '*' -> *, "Space" -> " "
+    if (ch.slice(0, 6) == "Shift-") {
+      return ch.slice(0, 1);
+    } else {
+      if (ch == "Space") return " ";
+      if (ch.length == 3 && ch[0] == "'" && ch[2] == "'") return ch[1];
+      return ch.toLowerCase();
+    }
+  }
+  var SPECIAL_SYMBOLS = "~`!@#$%^&*()_-+=[{}]\\|/?.,<>:;\"\'1234567890";
+  function toCombo(ch) {
+    // t -> T, T -> Shift-T, * -> '*', " " -> "Space"
+    if (ch == " ") return "Space";
+    var specialIdx = SPECIAL_SYMBOLS.indexOf(ch);
+    if (specialIdx != -1) return "'" + ch + "'";
+    if (ch.toLowerCase() == ch) return ch.toUpperCase();
+    return "Shift-" + ch.toUpperCase();
+  }
 
   var word = [/\w/, /[^\w\s]/], bigWord = [/\S/];
   function findWord(line, pos, dir, regexps) {
@@ -37,62 +112,172 @@
     }
     return {from: Math.min(start, end), to: Math.max(start, end)};
   }
-  function moveToWord(cm, regexps, dir, where) {
-    var cur = cm.getCursor(), ch = cur.ch, line = cm.getLine(cur.line), word;
-    while (true) {
-      word = findWord(line, ch, dir, regexps);
-      ch = word[where == "end" ? "to" : "from"];
-      if (ch == cur.ch && word.from != word.to) ch = word[dir < 0 ? "from" : "to"];
-      else break;
+  function moveToWord(cm, regexps, dir, times, where) {
+    var cur = cm.getCursor();
+
+    for (var i = 0; i < times; i++) {
+      var line = cm.getLine(cur.line), startCh = cur.ch, word;
+      while (true) {
+        // If we're at start/end of line, start on prev/next respectivly
+        if (cur.ch == line.length && dir > 0) {
+          cur.line++;
+          cur.ch = 0;
+          line = cm.getLine(cur.line);
+        } else if (cur.ch == 0 && dir < 0) {
+          cur.line--;
+          cur.ch = line.length;
+          line = cm.getLine(cur.line);
+        }
+        if (!line) break;
+
+        // On to the actual searching
+        word = findWord(line, cur.ch, dir, regexps);
+        cur.ch = word[where == "end" ? "to" : "from"];
+        if (startCh == cur.ch && word.from != word.to) cur.ch = word[dir < 0 ? "from" : "to"];
+        else break;
+      }
     }
-    cm.setCursor(cur.line, word[where == "end" ? "to" : "from"], true);
+    return cur;
   }
   function joinLineNext(cm) {
     var cur = cm.getCursor(), ch = cur.ch, line = cm.getLine(cur.line);
-    CodeMirror.commands.goLineEnd(cm); 
+    CodeMirror.commands.goLineEnd(cm);
     if (cur.line != cm.lineCount()) {
       CodeMirror.commands.goLineEnd(cm);
       cm.replaceSelection(" ", "end");
       CodeMirror.commands.delCharRight(cm);
-    } 
-  }
-  function editCursor(mode) {
-    if (mode == "vim-insert") {  
-      // put in your cursor css changing code
-    } else if (mode == "vim") {
-      // put in your cursor css changing code
     }
   }
-  function delTillMark(cm, cHar) { 
-    var i = mark[cHar], l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l;
+  function delTillMark(cm, cHar) {
+    var i = mark[cHar];
+    if (i === undefined) {
+      // console.log("Mark not set"); // TODO - show in status bar
+      return;
+    }
+    var l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l;
     cm.setCursor(start);
     for (var c = start; c <= end; c++) {
-      pushInBuffer("\n"+cm.getLine(start)); 
+      pushInBuffer("\n"+cm.getLine(start));
       cm.removeLine(start);
     }
   }
-  function yankTillMark(cm, cHar) { 
-    var i = mark[cHar], l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l;
+  function yankTillMark(cm, cHar) {
+    var i = mark[cHar];
+    if (i === undefined) {
+      // console.log("Mark not set"); // TODO - show in status bar
+      return;
+    }
+    var l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l;
     for (var c = start; c <= end; c++) {
       pushInBuffer("\n"+cm.getLine(c));
     }
     cm.setCursor(start);
   }
+  function goLineStartText(cm) {
+    // Go to the start of the line where the text begins, or the end for whitespace-only lines
+    var cur = cm.getCursor(), firstNonWS = cm.getLine(cur.line).search(/\S/);
+    cm.setCursor(cur.line, firstNonWS == -1 ? line.length : firstNonWS, true);
+  }