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Proper REDO / UNDO function ( without cursor pos )

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斟酌 鵬兄
2016-03-17 06:08:38 +08:00
parent f1653727f2
commit 865530709b
3 changed files with 15 additions and 19 deletions
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13
botanjs/src/Components/Vim/State/Recorder.js
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@@ -13,19 +13,16 @@
if( i == -1 || !this.__steps.length ) return null;
this.__i -= 2;
return this.__steps[ i ];
return this.__steps[ this.__i = i ];
};
Recorder.prototype.redo = function()
{
var i = this.__i + 1;
if( i == -1 || !this.__steps.length ) return null;
var State = this.__steps[ this.__i ];
var State = this.__steps[ i ];
if( State )
{
this.__i += 2;
this.__i ++;
return State;
}
@@ -35,9 +32,7 @@
Recorder.prototype.record = function( StateObj )
{
this.__steps[ this.__i ] = StateObj;
StateObj.id = this.__i;
delete this.__steps[ ++ this.__i ];
StateObj.id = this.__i ++;
};
ns[ NS_EXPORT ]( EX_CLASS, "Recorder", Recorder );