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Allow CommandRegistry::rootNode to be reassigned

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This commit is contained in:
Nathan Sobo
2014-09-05 16:10:03 -06:00
parent dac127c30b
commit a348ecf034
1 changed files with 6 additions and 4 deletions
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10
src/command-registry.coffee
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@@ -9,11 +9,13 @@ class CommandRegistry
constructor: (@rootNode) ->
@listenersByCommandName = {}
setRootNode: (rootNode) ->
throw new Error("Already assigned root node.") if @rootNode?
@rootNode = rootNode
setRootNode: (newRootNode) ->
oldRootNode = @rootNode
@rootNode = newRootNode
for commandName of @listenersByCommandName
@rootNode?.addEventListener(commandName, @dispatchCommand, true)
oldRootNode?.removeEventListener(commandName, @dispatchCommand, true)
newRootNode?.addEventListener(commandName, @dispatchCommand, true)
add: (selector, commandName, callback) ->
if typeof commandName is 'object'