64 lines
1.4 KiB
CoffeeScript
64 lines
1.4 KiB
CoffeeScript
class @Travis.Tailing
|
|
options:
|
|
timeout: 200
|
|
|
|
tail: ->
|
|
$(@tail_selector)
|
|
log: ->
|
|
$(@log_selector)
|
|
|
|
constructor: (@window, @tail_selector, @log_selector) ->
|
|
@position = @window.scrollTop()
|
|
@window.scroll( $.throttle( 200, @onScroll.bind(this) ) )
|
|
this
|
|
|
|
run: ->
|
|
@autoScroll()
|
|
@positionButton()
|
|
Ember.run.later(@run.bind(this), @options.timeout) if @active()
|
|
|
|
toggle: ->
|
|
if @active() then @stop() else @start()
|
|
|
|
active: ->
|
|
@tail().hasClass('active')
|
|
|
|
start: ->
|
|
@tail().addClass('active')
|
|
@run()
|
|
|
|
stop: ->
|
|
@tail().removeClass('active')
|
|
|
|
autoScroll: ->
|
|
return false unless @active()
|
|
logBottom = @log().offset().top + @log().outerHeight() + 40
|
|
winBottom = @window.scrollTop() + @window.height()
|
|
|
|
if logBottom - winBottom > 0
|
|
@window.scrollTop(logBottom - @window.height())
|
|
true
|
|
else
|
|
false
|
|
|
|
onScroll: ->
|
|
@positionButton()
|
|
position = @window.scrollTop()
|
|
@stop() if position < @position
|
|
@position = position
|
|
|
|
positionButton: ->
|
|
return if @tail().length is 0
|
|
offset = @window.scrollTop() - @log().offset().top
|
|
max = @log().height() - @tail().height() + 5
|
|
|
|
if offset > 0 && offset <= max
|
|
@tail().removeClass('bottom')
|
|
@tail().addClass('scrolling')
|
|
else
|
|
if offset > max
|
|
@tail().addClass('bottom')
|
|
else
|
|
@tail().removeClass('bottom')
|
|
@tail().removeClass('scrolling')
|