blob: 7c0f37c342e061cf2cec32b23bb99bb53b4a236f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
{Emitter, Disposable, CompositeDisposable} = require 'event-kit'
Command = require './command'
CommandError = require './command-error'
class ExState
constructor: (@editorElement, @globalExState) ->
@emitter = new Emitter
@subscriptions = new CompositeDisposable
@editor = @editorElement.getModel()
@opStack = []
@history = []
@registerOperationCommands
open: (e) => new Command(@editor, @)
destroy: ->
@subscriptions.dispose()
getExHistoryItem: (index) ->
@globalExState.commandHistory[index]
pushExHistory: (command) ->
@globalExState.commandHistory.unshift command
registerOperationCommands: (commands) ->
for commandName, fn of commands
do (fn) =>
pushFn = (e) => @pushOperations(fn(e))
@subscriptions.add(
atom.commands.add(@editorElement, "ex-mode:#{commandName}", pushFn)
)
onDidFailToExecute: (fn) ->
@emitter.on('failed-to-execute', fn)
onDidProcessOpStack: (fn) ->
@emitter.on('processed-op-stack', fn)
pushOperations: (operations) ->
@opStack.push operations
@processOpStack() if @opStack.length == 2
clearOpStack: ->
@opStack = []
processOpStack: ->
[command, input] = @opStack
if input.characters.length > 0
@history.unshift command
try
command.execute(input)
catch e
if (e instanceof CommandError)
atom.notifications.addError("Command error: #{e.message}")
@emitter.emit('failed-to-execute')
else
throw e
@clearOpStack()
@emitter.emit('processed-op-stack')
module.exports = ExState
|
