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fix undo manager

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This commit is contained in:
Fabian Jakobs 2011-01-19 12:30:09 +01:00
commit c879e0a802
1 changed files with 29 additions and 23 deletions
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52
lib/ace/edit_session.js
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@ -93,6 +93,7 @@ var EditSession = function(text, mode) {
this.setValue = function(text) {
this.doc.setValue(text);
this.$deltas = [];
};
this.getValue =
@ -479,36 +480,41 @@ var EditSession = function(text, mode) {
};
this.undoChanges = function(deltas) {
this.selection.clearSelection();
if (!deltas.length)
return;
this.$fromUndo = true;
for (var i=deltas.length-1; i>=0; i--) {
var delta = deltas[i];
if (delta.action == "insertText") {
this.remove(delta.range, true);
this.selection.moveCursorToPosition(delta.range.start);
} else {
this.insert(delta.range.start, delta.text, true);
this.selection.clearSelection();
}
}
this.doc.revertDeltas(deltas);
this.$fromUndo = false;
// update the selection
var firstDelta = deltas[0];
var lastDelta = deltas[deltas.length-1];
this.selection.clearSelection();
if (firstDelta.action == "insertText" || firstDelta.action == "insertLines")
this.selection.moveCursorToPosition(firstDelta.range.start);
if (firstDelta.action == "removeText" || firstDelta.action == "removeLines")
this.selection.setSelectionRange(Range.fromPoints(firstDelta.range.start, lastDelta.range.end));
},
this.redoChanges = function(deltas) {
this.selection.clearSelection();
if (!deltas.length)
return;
this.$fromUndo = true;
for (var i=0; i<deltas.length; i++) {
var delta = deltas[i];
if (delta.action == "insertText") {
this.insert(delta.range.start, delta.text, true);
this.selection.setSelectionRange(delta.range);
} else {
this.remove(delta.range, true);
this.selection.moveCursorToPosition(delta.range.start);
}
}
this.doc.applyDeltas(deltas);
this.$fromUndo = false;
// update the selection
var firstDelta = deltas[0];
var lastDelta = deltas[deltas.length-1];
this.selection.clearSelection();
if (firstDelta.action == "insertText" || firstDelta.action == "insertLines")
this.selection.setSelectionRange(Range.fromPoints(firstDelta.range.start, lastDelta.range.end));
if (firstDelta.action == "removeText" || firstDelta.action == "removeLines")
this.selection.moveCursorToPosition(firstDelta.range.start);
},
this.replace = function(range, text) {