juliandescottes 17bf7b3807 Added undo/redo feature ... * new file : HistoryManager.js * can undo (ctrl-z) and redo (ctrl-y) changes performed through the tools * history states are recorded per frame * a new state is recorder each time a tool is released (introduced TOOL_RELEASED event for this purpose) * a duplicated frame doesn't inherit the history states of the original frame * there is no limit to the number of states that can be stored per frame * actions such as creating/duplicating/deleting a frame are not concerned by this update		2012-09-07 00:18:59 +02:00
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Frame.js	Added undo/redo feature	2012-09-07 00:18:59 +02:00
FrameSheet.js	fixed add button	2012-09-06 00:23:24 +02:00