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get rid of separate undoState function

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Neil Kandalgaonkar 2011-12-01 19:08:24 +00:00
parent b7cc76acd8
commit 0f12bd9b59
1 changed files with 5 additions and 9 deletions
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14
modules/es/models/es.SurfaceModel.js
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@ -118,12 +118,12 @@ es.SurfaceModel.prototype.transact = function( transaction, combine ) {
* @param {Integer} Number of document-changing states to reverse
*/
es.SurfaceModel.prototype.undo = function( transactionsToUndo ) {
/**
* Undo a state.
* @return {Boolean} whether visible change was undone.
*/
function undoState( state ) {
while ( transactionsToUndo ) {
var hadTransaction = false;
var state = this.currentState;
var i = state.length - 1;
while ( i-- ) {
if ( state[i] instanceof es.TransactionModel ) {
@ -132,11 +132,7 @@ es.SurfaceModel.prototype.undo = function( transactionsToUndo ) {
}
}
this.emit( 'undo', state );
return hadTransaction;
}
while ( transactionsToUndo ) {
var hadTransaction = undoState( this.currentState );
if ( hadTransaction ) {
transactionsToUndo--;
}