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fix undo selection range after delete

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nightwing 2013-07-11 17:35:29 +04:00
commit 09d0044e1e
1 changed files with 6 additions and 1 deletions
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7
lib/ace/edit_session.js
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@ -1216,7 +1216,7 @@ var EditSession = function(text, mode) {
var range, point; var range, point;
var lastDeltaIsInsert = false; var lastDeltaIsInsert = false;
if (isInsert(delta)) { if (isInsert(delta)) {
range = delta.range.clone(); range = Range.fromPoints(delta.range.start, delta.range.end);
lastDeltaIsInsert = true; lastDeltaIsInsert = true;
} else { } else {
range = Range.fromPoints(delta.range.start, delta.range.start); range = Range.fromPoints(delta.range.start, delta.range.start);
@ -1248,6 +1248,11 @@ var EditSession = function(text, mode) {
// Check if this range and the last undo range has something in common. // Check if this range and the last undo range has something in common.
// If true, merge the ranges. // If true, merge the ranges.
if (lastUndoRange != null) { if (lastUndoRange != null) {
if (Range.comparePoints(lastUndoRange.start, range.start) == 0) {
lastUndoRange.start.column += range.end.column - range.start.column;
lastUndoRange.end.column += range.end.column - range.start.column;
}
var cmp = lastUndoRange.compareRange(range); var cmp = lastUndoRange.compareRange(range);
if (cmp == 1) { if (cmp == 1) {
range.setStart(lastUndoRange.start); range.setStart(lastUndoRange.start);