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-rw-r--r--javascripts/dashing.coffee96
1 files changed, 96 insertions, 0 deletions
diff --git a/javascripts/dashing.coffee b/javascripts/dashing.coffee
new file mode 100644
index 0000000..2d9953d
--- /dev/null
+++ b/javascripts/dashing.coffee
@@ -0,0 +1,96 @@
+#= require jquery
+#= require es5-shim
+#= require batman
+#= require batman.jquery
+
+
+Batman.Filters.prettyNumber = (num) ->
+ num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") unless isNaN(num)
+
+Batman.Filters.dashize = (str) ->
+ dashes_rx1 = /([A-Z]+)([A-Z][a-z])/g;
+ dashes_rx2 = /([a-z\d])([A-Z])/g;
+
+ return str.replace(dashes_rx1, '$1_$2').replace(dashes_rx2, '$1_$2').replace('_', '-').toLowerCase()
+
+Batman.Filters.shortenedNumber = (num) ->
+ return if isNaN(num)
+ if num >= 1000000000
+ (num / 1000000000).toFixed(1) + 'B'
+ else if num >= 1000000
+ (num / 1000000).toFixed(1) + 'M'
+ else if num >= 1000
+ (num / 1000).toFixed(1) + 'K'
+ else
+ num
+
+class window.Dashing extends Batman.App
+ @root ->
+
+class Dashing.Widget extends Batman.View
+ constructor: ->
+ # Set the view path
+ @constructor::source = Batman.Filters.underscore(@constructor.name)
+ super
+
+ @mixin($(@node).data())
+ Dashing.widgets[@id] ||= []
+ Dashing.widgets[@id].push(@)
+ @mixin(Dashing.lastEvents[@id]) # in case the events from the server came before the widget was rendered
+
+ type = Batman.Filters.dashize(@view)
+ $(@node).addClass("widget widget-#{type} #{@id}")
+
+
+ @::on 'ready', ->
+ Dashing.Widget.fire 'ready'
+
+ onData: (data) =>
+ @mixin(data)
+
+
+Dashing.AnimatedValue =
+ get: Batman.Property.defaultAccessor.get
+ set: (k, to) ->
+ if isNaN(to)
+ @[k] = to
+ else
+ timer = "interval_#{k}"
+ num = if !isNaN(@[k]) then @[k] else 0
+ unless @[timer] || num == to
+ up = to > num
+ num_interval = Math.abs(num - to) / 90
+ @[timer] =
+ setInterval =>
+ num = if up then Math.ceil(num+num_interval) else Math.floor(num-num_interval)
+ if (up && num > to) || (!up && num < to)
+ num = to
+ clearInterval(@[timer])
+ @[timer] = null
+ delete @[timer]
+ @[k] = num
+ @set k, to
+ @[k] = num
+
+Dashing.widgets = widgets = {}
+Dashing.lastEvents = lastEvents = {}
+
+source = new EventSource('/events')
+source.addEventListener 'open', (e) ->
+ console.log("Connection opened")
+
+source.addEventListener 'error', (e)->
+ console.log("Connection error")
+ if (e.readyState == EventSource.CLOSED)
+ console.log("Connection closed")
+
+source.addEventListener 'message', (e) =>
+ data = JSON.parse(e.data)
+ lastEvents[data.id] = data
+ if widgets[data.id]?.length > 0
+ for widget in widgets[data.id]
+ widget.onData(data)
+
+
+$(document).ready ->
+ Dashing.run()