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Class History

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A class that maintains the undo/redo stacks.
Defined in webnote.js

Field Summary
`int`	`maxSize` The number of items to keep in the undo stack.
`Array`	`redoStack`
`Array`	`undoStack`

Constructor Summary
`History ()`

Method Summary
`void`	`add(<function> funcPtr)` Add an event to the undo stack.
`void`	`redo()` Redo the last undo action.
`void`	`undo()` Undo the last action and move an item from the undo stack to the redo stack.
`void`	`updateTitles()` Update the tool tips on the undo and redo icons.

Field Detail

int maxSize

The number of items to keep in the undo stack.

Array redoStack

Array undoStack

Constructor Detail

History()

Method Detail

void add(<function> funcPtr)

Add an event to the undo stack. This clears the redo stack.

Parameters:

funcPtr

void redo()

Redo the last undo action. Moves the action back to the undo stack.

void undo()

Undo the last action and move an item from the undo stack to the redo stack.

void updateTitles()

Update the tool tips on the undo and redo icons.