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|
{CompositeDisposable} = require 'atom'
Base = require './base'
Selector = require './selector'
module.exports = class Change
constructor: (config) ->
@command = config.changeSurroundCommand
@context = "atom-text-editor.vim-mode.normal-mode"
@disposables = new CompositeDisposable
@curPairs = []
@curPairsWithTarget = []
@registerPairs config.pairs
getName: (key, targetKey) -> "change-#{key}-to-#{targetKey}"
registerPairs: (pairs) ->
pairs = (x for x in pairs when x.length > 0 and x.length %2 == 0)
for pair in pairs
for target in pairs
if "#{pair}#{target}" not in @curPairs
@registerPair pair, target
@curPairs.push("#{pair}#{target}")
registerPair: (pair, target) ->
[left, right] = @splitPair(pair)
[target_left, target_right] = @splitPair(target)
for key in [left, right]
for targetKey in [target_left, target_right]
if "#{key}#{targetKey}" not in @curPairsWithTarget
name = "vim-surround:#{@getName(key, targetKey)}"
unless pair == target
@disposables.add atom.commands.add @context, name, @getRunner pair, target
keymapArg = {}
fullCommand = "#{@command} #{key} #{targetKey}"
keymapArg[fullCommand] = name
contextArg = {}
contextArg[@context] = keymapArg
# Capture the disposable heretom test!
unless pair == target
@disposables.add atom.keymaps.add name, contextArg
@curPairsWithTarget.push("#{key}#{targetKey}")
splitPair: (pair) ->
return [pair[..(pair.length/2)-1], pair[pair.length/2..]]
getRunner: (from, to) -> ->
[left, right] = [from[0], from[1]]
[target_left, target_right] = [to[0], to[1]]
editor = atom.workspace.getActiveTextEditor()
selector = new Selector(editor, left, right)
editor.transact ->
cursorPos = editor.getCursorBufferPosition()
selector.inside().select()
editor.selections.forEach (selection) ->
text = selection.getText()
# restore cursore and select text with surrounding keys
editor.setCursorBufferPosition(cursorPos)
selector.outside().select()
editor.selections.forEach (selection) ->
selection.insertText "#{target_left}#{text}#{target_right}"
# restore cursore
editor.setCursorBufferPosition(cursorPos)
|
