Add instance and event manager

1 files changed, 48 insertions, 0 deletions

diff --git a/app/assets/javascripts/glpage.js.coffee b/app/assets/javascripts/glpage.js.coffee
new file mode 100644
index 00000000000..1ce33ed96fa
--- /dev/null
+++ b/app/assets/javascripts/glpage.js.coffee
@@ -0,0 +1,48 @@
+window.GlPage = {
+  instances: {}
+  events: []
+  pages: {}
+  new: (name) ->
+    @pages[name] = {
+      instances: {}
+      events: []
+      use: (instance, name) ->
+        generated = name || Math.random().toString(36).substring(7)
+        @instances[generated] = {
+          instance: instance
+          name: generated
+        }
+        generated
+        
+      get: (name) ->
+        @instances[name].instance
+      
+      on: (el, args...) ->
+        # turn args into array
+        $el = $(el)
+        @events.push({
+          el: el,
+          args: args
+        })
+        $el.on.apply($el, args)
+
+      off: (el, args...) ->
+        $el = $(el)
+        $el.off.apply($el, args)
+      
+      allOff: ->
+        @events.forEach((event) =>
+          $el = $(event.el)
+          $el.off.apply($el, event.args)
+        )
+
+      remove: (name) ->
+        delete @instances[name]
+      
+      removeAll: ->
+        @instances = {}
+        @allOff()
+        @events = []
+        return
+    }
+}
\ No newline at end of file