update to latest vim mode from cloud9

lib/ace/keyboard/vim/commands.js

@@ -20,11 +20,7 @@ var NUMBER   = 1;
 var OPERATOR = 2;
 var MOTION = 3;
 var ACTION = 4;
-
+var HMARGIN = 8; // Minimum amount of line separation between margins;
-//var NORMAL_MODE = 0;
-//var INSERT_MODE = 1;
-//var VISUAL_MODE = 2;
-//getSelectionLead
 
 exports.searchStore = {
     current: "",
@@ -39,11 +35,34 @@ exports.searchStore = {
 };
 
 var repeat = function repeat(fn, count, args) {
-    count = parseInt(count);
+    count = parseInt(count, 10);
     while (0 < count--)
         fn.apply(this, args);
 };
 
+var toggleCase = function toggleCase(ch) {
+    if (ch.toUpperCase() === ch)
+        return ch.toLowerCase();
+    else
+        return ch.toUpperCase();
+};
+
+var ensureScrollMargin = function(editor) {
+    setTimeout(function() {
+        var curPos = editor.getCursorPosition().row;
+        var topRow = editor.renderer.layerConfig.firstRow;
+        var linesToBottom = editor.renderer.layerConfig.lastRow - curPos;
+        var linesToTop = curPos - topRow;
+
+        if (linesToBottom >= 0 && linesToBottom < HMARGIN) {
+            editor.scrollToRow(topRow + (HMARGIN - linesToBottom));
+        }
+        else if (linesToTop >= 0 && linesToTop < HMARGIN) {
+            editor.scrollToRow(topRow - (HMARGIN - linesToTop));
+        }
+    }, 20); // Delay introduced to ensure scroll after async find operation.
+};
+
 var actions = {
     "z": {
         param: true,
@@ -83,8 +102,9 @@ var actions = {
         fn: function(editor, range, count, param) {
             editor.selection.selectWord();
             editor.findNext();
+            ensureScrollMargin(editor);
             var cursor = editor.selection.getCursor();
-            var range  = editor.session.getWordRange(cursor.row, cursor.column);
+            range = editor.session.getWordRange(cursor.row, cursor.column);
             editor.selection.setSelectionRange(range, true);
         }
     },
@@ -92,23 +112,32 @@ var actions = {
         fn: function(editor, range, count, param) {
             editor.selection.selectWord();
             editor.findPrevious();
+            ensureScrollMargin(editor);
             var cursor = editor.selection.getCursor();
-            var range  = editor.session.getWordRange(cursor.row, cursor.column);
+            range = editor.session.getWordRange(cursor.row, cursor.column);
             editor.selection.setSelectionRange(range, true);
         }
     },
     "n": {
         fn: function(editor, range, count, param) {
-            editor.findNext(editor.getLastSearchOptions());
+            var options = editor.getLastSearchOptions();
+            options.backwards = false;
+
+            editor.findNext(options);
+
+            ensureScrollMargin(editor);
             editor.selection.clearSelection();
-            //editor.navigateWordLeft();
         }
     },
     "shift-n": {
         fn: function(editor, range, count, param) {
-            editor.findPrevious(editor.getLastSearchOptions());
+            var options = editor.getLastSearchOptions();
+            options.backwards = true;
+
+            editor.navigateWordLeft();
+            editor.findPrevious(options);
+            ensureScrollMargin(editor);
             editor.selection.clearSelection();
-            //editor.navigateWordLeft();
         }
     },
     "v": {
@@ -231,8 +260,9 @@ var actions = {
     },
     ".": {
         fn: function(editor, range, count, param) {
-            var previous = inputBuffer.previous;
             util.onInsertReplaySequence = inputBuffer.lastInsertCommands;
+            var previous = inputBuffer.previous;
+            if (previous) // If there is a previous action
                 inputBuffer.exec(editor, previous.action, previous.param);
         }
     }
@@ -336,7 +366,7 @@ var inputBuffer = exports.inputBuffer = {
         var o = action.operator;
         var a = action.action;
 
-        if(o) {
+        if (o) {
             this.previous = {
                 action: action,
                 param: param
@@ -489,12 +519,4 @@ var handleCursorMove = exports.onCursorMove = function(editor) {
         handleCursorMove.running = false;
     }
 };
-
-function toggleCase(ch) {
-    if(ch.toUpperCase() === ch)
-        return ch.toLowerCase();
-    else
-        return ch.toUpperCase();
-}
-
 });

lib/ace/keyboard/vim/maps/motions.js

@@ -1,4 +1,4 @@
-"never use strict"
+"use strict"
 
 define(function(require, exports, module) {
 
@@ -114,6 +114,30 @@ module.exports = {
             }
         }
     },
+    "shift-f": {
+        param: true,
+        nav: function(editor, range, count, param) {
+            count = parseInt(count, 10) || 1;
+            var ed = editor;
+            var cursor = ed.getCursorPosition();
+            var column = util.getLeftNthChar(editor, cursor, param, count);
+
+            if (typeof column === "number") {
+                ed.selection.clearSelection(); // Why does it select in the first place?
+                ed.moveCursorTo(cursor.row, cursor.column - column + 1);
+            }
+        },
+        sel: function(editor, range, count, param) {
+            count = parseInt(count, 10) || 1;
+            var ed = editor;
+            var cursor = ed.getCursorPosition();
+            var column = util.getLeftNthChar(editor, cursor, param, count);
+
+            if (typeof column === "number") {
+                ed.moveCursorTo(cursor.row, cursor.column - column + 1);
+            }
+        }
+    },
     "t": {
         param: true,
         nav: function(editor, range, count, param) {

lib/ace/keyboard/vim/maps/util.js

@@ -88,9 +88,9 @@ module.exports = {
     },
     getLeftNthChar: function(editor, cursor, char, n) {
         var line = editor.getSession().getLine(cursor.row);
-        var matches = line.substr(0, cursor.column + 1).split(char);
+        var matches = line.substr(0, cursor.column).split(char);
 
-        return n < matches.length ? matches.slice(-1 * n).join(char).length + 1: 0;
+        return n < matches.length ? matches.slice(-1 * n).join(char).length + 2 : 0;
     },
     toRealChar: function(char) {
         if (char.length === 1)