fix move lines with multiple cursors

lib/ace/commands/default_commands.js

@@ -359,23 +359,19 @@ exports.commands = [{
 }, {
     name: "copylinesup",
     bindKey: bindKey("Alt-Shift-Up", "Command-Option-Up"),
-    exec: function(editor) { editor.copyLinesUp(); },
-    multiSelectAction: "forEachLine"
+    exec: function(editor) { editor.copyLinesUp(); }
 }, {
     name: "movelinesup",
     bindKey: bindKey("Alt-Up", "Option-Up"),
-    exec: function(editor) { editor.moveLinesUp(); },
-    multiSelectAction: "forEachLine"
+    exec: function(editor) { editor.moveLinesUp(); }
 }, {
     name: "copylinesdown",
     bindKey: bindKey("Alt-Shift-Down", "Command-Option-Down"),
-    exec: function(editor) { editor.copyLinesDown(); },
-    multiSelectAction: "forEachLine"
+    exec: function(editor) { editor.copyLinesDown(); }
 }, {
     name: "movelinesdown",
     bindKey: bindKey("Alt-Down", "Option-Down"),
-    exec: function(editor) { editor.moveLinesDown(); },
-    multiSelectAction: "forEachLine"
+    exec: function(editor) { editor.moveLinesDown(); }
 }, {
     name: "del",
     bindKey: bindKey("Delete", "Delete|Ctrl-D"),

lib/ace/editor.js

@@ -1367,8 +1367,7 @@ var Editor = function(renderer, session) {
             var row = range.start.row;
             doc.duplicateLines(row, row);
         } else {
-            var reverse = sel.isBackwards()
-            var point = sel.isBackwards() ? range.start : range.end;
+            var point = reverse ? range.start : range.end;
             var endPoint = doc.insert(point, doc.getTextRange(range), false);
             range.start = point;
             range.end = endPoint;
@@ -1412,9 +1411,6 @@ var Editor = function(renderer, session) {
      * @related EditSession.moveText
      **/
     this.moveText = function(range, toPosition) {
-        if (this.$readOnly)
-            return null;
-
         return this.session.moveText(range, toPosition);
     };
 
@@ -1450,25 +1446,39 @@ var Editor = function(renderer, session) {
      *
      **/
     this.$moveLines = function(mover) {
-        var rows = this.$getSelectedRows();
         var selection = this.selection;
-        if (!selection.isMultiLine()) {
-            var range = selection.getRange();
-            var reverse = selection.isBackwards();
-        }
+        if (!selection.inMultiSelectMode || this.inVirtualSelectionMode) {
+            var range = selection.toOrientedRange();
+            var rows = this.$getSelectedRows(range);
+            var linesMoved = mover.call(this, rows.first, rows.last);
+            range.moveBy(linesMoved, 0);
+            selection.fromOrientedRange(range);
+        } else {
+            var ranges = selection.rangeList.ranges;
+            selection.rangeList.detach(this.session);
             
-        var linesMoved = mover.call(this, rows.first, rows.last);
+            for (var i = ranges.length; i--; ) {
+                var rangeIndex = i;
+                var rows = ranges[i].collapseRows();
+                var last = rows.end.row;
+                var first = rows.start.row;
+                while (i--) {
+                    var rows = ranges[i].collapseRows();
+                    if (first - rows.end.row <= 1)
+                        first = rows.end.row;
+                    else
+                        break;
+                }
+                i++;
                 
-        if (range) {
-            range.start.row += linesMoved;
-            range.end.row += linesMoved;
-            selection.setSelectionRange(range, reverse);
-        }
-        else {
-            selection.setSelectionAnchor(rows.last+linesMoved+1, 0);
-            selection.$moveSelection(function() {
-                selection.moveCursorTo(rows.first+linesMoved, 0);
-            });
+                var linesMoved = mover.call(this, first, last);
+                while (rangeIndex >= i) {
+                    ranges[rangeIndex].moveBy(linesMoved, 0);
+                    rangeIndex--;
+                }
+            }
+            selection.fromOrientedRange(selection.ranges[0]);
+            selection.rangeList.attach(this.session);
         }
     };
 

lib/ace/multi_select.js

@@ -482,7 +482,7 @@ var Editor = require("./editor").Editor;
         this.inVirtualSelectionMode = true;
         for (var i = rangeList.ranges.length; i--;) {
             if ($byLines) {
-                while (i > 0 && rangeList.ranges[i].start.row == rangeList.ranges[i].end.row)
+                while (i > 0 && rangeList.ranges[i].start.row == rangeList.ranges[i - 1].end.row)
                     i--;
             }
             tmpSel.fromOrientedRange(rangeList.ranges[i]);

lib/ace/range.js

@@ -517,6 +517,15 @@ var Range = function(startRow, startColumn, endRow, endColumn) {
         );
     };
     
+    
+    /* experimental */
+    this.moveBy = function(row, column) {
+        this.start.row += row;
+        this.start.column += column;
+        this.end.row += row;
+        this.end.column += column;
+    };
+
 }).call(Range.prototype);
 
 /**