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91 lines
2.5 KiB
CoffeeScript
91 lines
2.5 KiB
CoffeeScript
fs = require 'fs'
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BindingSet = require 'binding-set'
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Specificity = require 'specificity'
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$ = require 'jquery'
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module.exports =
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class Keymap
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bindingSetsBySelector: null
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constructor: ->
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@bindingSets = []
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bindDefaultKeys: ->
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@bindKeys "*",
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'meta-n': 'new-window'
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'meta-,': 'open-user-configuration'
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'meta-o': 'open'
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$(document).on 'new-window', => $native.newWindow()
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$(document).on 'open-user-configuration', => atom.open(atom.userConfigurationPath)
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$(document).on 'open', =>
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path = $native.openDialog()
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atom.open(path) if path
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bindKeys: (selector, bindings) ->
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@bindingSets.unshift(new BindingSet(selector, bindings))
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bindKey: (selector, pattern, eventName) ->
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bindings = {}
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bindings[pattern] = eventName
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@bindKeys(selector, bindings)
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handleKeyEvent: (event) ->
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event.keystroke = @keystrokeStringForEvent(event)
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currentNode = $(event.target)
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while currentNode.length
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candidateBindingSets = @bindingSets.filter (set) -> currentNode.is(set.selector)
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candidateBindingSets.sort (a, b) -> b.specificity - a.specificity
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for bindingSet in candidateBindingSets
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command = bindingSet.commandForEvent(event)
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if command
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@triggerCommandEvent(event, command)
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return false
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else if command == false
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return false
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currentNode = currentNode.parent()
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true
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reset: ->
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@bindingSets = []
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triggerCommandEvent: (keyEvent, commandName) ->
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commandEvent = $.Event(commandName)
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commandEvent.keyEvent = keyEvent
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$(keyEvent.target).trigger(commandEvent)
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keystrokeStringForEvent: (event) ->
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if /^U\+/i.test event.originalEvent.keyIdentifier
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hexCharCode = event.originalEvent.keyIdentifier.replace(/^U\+/i, '')
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charCode = parseInt(hexCharCode, 16)
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key = @keyFromCharCode(charCode)
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else
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key = event.originalEvent.keyIdentifier.toLowerCase()
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modifiers = ''
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if event.altKey and key isnt 'alt'
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modifiers += 'alt-'
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if event.ctrlKey and key isnt 'ctrl'
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modifiers += 'ctrl-'
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if event.metaKey and key isnt 'meta'
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modifiers += 'meta-'
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if event.shiftKey
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isNamedKey = key.length > 1
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modifiers += 'shift-' if isNamedKey
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else
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key = key.toLowerCase()
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"#{modifiers}#{key}"
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keyFromCharCode: (charCode) ->
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switch charCode
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when 8 then 'backspace'
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when 9 then 'tab'
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when 13 then 'enter'
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when 27 then 'escape'
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when 32 then 'space'
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when 127 then 'delete'
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else String.fromCharCode(charCode)
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