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Transform the undo/redo stacks against non-user initiated changes #413

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merged 4 commits into from Jul 17, 2015
Merged

Transform the undo/redo stacks against non-user initiated changes #413

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d227190
Transform the undo/redo stacks against non-user initiated changes
thomsbg Jul 13, 2015
c1e2b68
Clean up some style
thomsbg Jul 15, 2015
f4e3c69
Pass {userOnly:true} to tell the undo-manager to transform non-user d…
thomsbg Jul 15, 2015
06a44b7
Update the undo-manager test to only use the userOnly option for the …
thomsbg Jul 17, 2015
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19 changes: 16 additions & 3 deletions src/modules/undo-manager.coffee
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Expand Up @@ -7,6 +7,7 @@ class UndoManager
@DEFAULTS:
delay: 1000
maxStack: 100
userOnly: false

@hotkeys:
UNDO: { key: 'Z', metaKey: true }
Expand All @@ -31,9 +32,12 @@ class UndoManager
return false
)
)
@quill.on(@quill.constructor.events.TEXT_CHANGE, (delta, origin) =>
@quill.on(@quill.constructor.events.TEXT_CHANGE, (delta, source) =>
return if @ignoreChange
this.record(delta, @oldDelta)
if !@options.userOnly or source == Quill.sources.USER
this.record(delta, @oldDelta)
else
this._transform(delta)
@oldDelta = @quill.getContents()
)

Expand Down Expand Up @@ -90,13 +94,22 @@ class UndoManager
change = @stack[source].pop()
@lastRecorded = 0
@ignoreChange = true
@quill.updateContents(change[source], 'user')
@quill.updateContents(change[source], Quill.sources.USER)
@ignoreChange = false
index = this._getLastChangeIndex(change[source])
@quill.setSelection(index, index)
@oldDelta = @quill.getContents()
@stack[dest].push(change)

_transform: (delta) ->
@oldDelta = delta.transform(@oldDelta, true)
for change in @stack.undo
change.undo = delta.transform(change.undo, true)
change.redo = delta.transform(change.redo, true)
for change in @stack.redo
change.undo = delta.transform(change.undo, true)
change.redo = delta.transform(change.redo, true)


Quill.registerModule('undo-manager', UndoManager)
module.exports = UndoManager
13 changes: 13 additions & 0 deletions test/unit/modules/undo-manager.coffee
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Expand Up @@ -108,5 +108,18 @@ describe('UndoManager', ->
dom(@quill.root).trigger('keydown', Quill.Module.UndoManager.hotkeys.REDO)
expect(@quill.getContents()).toEqualDelta(changed)
)

it('api change transform', ->
@quill.getModule('undo-manager').options.userOnly = true
@quill.updateContents(new Quill.Delta().retain(12).insert('es'), Quill.sources.USER)
@quill.updateContents(new Quill.Delta().retain(4).delete(5), Quill.sources.API)
@quill.updateContents(new Quill.Delta().retain(9).insert('!'), Quill.sources.USER)
expect(@undoManager.stack.undo.length).toEqual(1)
expect(@quill.getContents()).toEqual(new Quill.Delta().insert('The foxes!\n'))
@undoManager.undo()
expect(@quill.getContents()).toEqual(new Quill.Delta().insert('The fox\n'))
@undoManager.redo()
expect(@quill.getContents()).toEqual(new Quill.Delta().insert('The foxes!\n'))
)
)
)