add current page as snap option while swiping with page component

framer/Components/PageComponent.coffee

@@ -42,21 +42,25 @@ class exports.PageComponent extends ScrollComponent
	@define "currentPage",  get: -> _.last(@_previousPages)
	@define "previousPage", get: -> @_previousPages[@_previousPages.length-2]

	nextPage: (direction="right", currentPage=null) ->
	nextPage: (direction="right", currentPage=null, withoutCurrentPage=true) ->

		currentPage ?= @currentPage

		# Figure out the point from where to look for next layers in a direction
		point = {x:0, y:0}
		point = Utils.framePointForOrigin(currentPage, @originX, @originY) if currentPage
		if !withoutCurrentPage
			point = {x:@scrollX + (@originX * @width), y:@scrollY + (@originY * @height)}

		layers = @content.subLayersAbove(point, @originX, @originY) if direction in ["up", "top", "north"]
		layers = @content.subLayersBelow(point, @originX, @originY) if direction in ["down", "bottom", "south"]
		layers = @content.subLayersLeft(point, @originX, @originY) if direction in ["left", "west"]
		layers = @content.subLayersRight(point, @originX, @originY) if direction in ["right", "east"]

		# See if there is one close by that we should go to
		layers = _.without(layers, currentPage)
		if withoutCurrentPage
			layers = _.without(layers, currentPage)

		layers = Utils.frameSortByAbsoluteDistance(point, layers, @originX, @originY)
		
		return _.first(layers)
@@ -166,7 +170,7 @@ class exports.PageComponent extends ScrollComponent

		# Figure out which direction we are scrolling to and make a sorted list of
		# layers on that side, sorted by absolute distance so we can pick the first.
		nextPage = @nextPage(@direction, @_currentPage)
		nextPage = @nextPage(@direction, @_currentPage, false)

		# If not, we scroll to the closest layer that we have available, often the one
		# that we are already at.