Add Keymap.bindingsForElement method

src/app/binding-set.coffee

@@ -8,6 +8,7 @@ PEG = require 'pegjs'
 module.exports =
 class BindingSet
   selector: null
+  keystrokeMap: null
   commandForEvent: null
   keystrokePatternParser: null
 
@@ -15,6 +16,7 @@ class BindingSet
     @parser = PEG.buildParser(fs.read(require.resolve 'keystroke-pattern.pegjs'))
     @specificity = Specificity(@selector)
     @commandForEvent = @buildEventHandler(mapOrFunction)
+    @keystrokeMap = if not _.isFunction(mapOrFunction) then mapOrFunction else {}
 
   buildEventHandler: (mapOrFunction) ->
     if _.isFunction(mapOrFunction)

src/app/keymap.coffee

@@ -6,7 +6,7 @@ $ = require 'jquery'
 
 module.exports =
 class Keymap
-  bindingSetsBySelector: null
+  bindingSets: null
 
   constructor: ->
     @bindingSets = []
@@ -26,10 +26,22 @@ class Keymap
   bindKeys: (selector, bindings) ->
     @bindingSets.unshift(new BindingSet(selector, bindings))
 
-  bindKey: (selector, pattern, eventName) ->
-    bindings = {}
-    bindings[pattern] = eventName
-    @bindKeys(selector, bindings)
+  bindingsForElement: (element) ->
+    currentNode = $(element)
+    keystrokeMap = {}
+
+    while currentNode.length
+      bindingSets = @bindingSets.filter (set) -> currentNode.is(set.selector)
+      console.log @bindingSets, currentNode
+
+      bindingSets.sort (a, b) -> b.specificity - a.specificity
+      for bindingSet in bindingSets
+        for keystroke, command of bindingSet.keystrokeMap
+          keystrokeMap[keystroke] ?= command
+
+      currentNode = currentNode.parent()
+
+    keystrokeMap
 
   handleKeyEvent: (event) ->
     event.keystroke = @keystrokeStringForEvent(event)