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|
_ = require 'underscore-plus'
{CompositeDisposable} = require 'atom'
Config =
debug:
type: 'boolean'
default: false
module.exports =
disposables: null
active: false
prefix: 'vim-mode-visual-block'
activate: (state) ->
@disposables = new CompositeDisposable
blockwiseCommands = {}
commands = 'jkoDCIA'.split('')
commands.push 'escape', 'ctrl-v'
for command in commands
do (command) =>
name = "#{@prefix}:#{command}"
blockwiseCommands[name] = (event) => @blockOperation(event, command)
# blockwiseCommands["#{@prefix}:toggle-debug"] = => @toggleDebug()
@disposables.add atom.commands.add('atom-text-editor', blockwiseCommands)
@reset()
deactivate: ->
@disposables.dispose()
consumeVimMode: (@vimModeService) ->
reset: ->
@startRow = null
getEditor: ->
atom.workspace.getActiveTextEditor()
isVisualBlockMode: (vimState) ->
(vimState.mode is 'visual') and (vimState.submode is 'blockwise')
getVimEditorState: (editor) ->
@vimModeService.getEditorState editor
adjustSelections: (editor, options) ->
for selection in editor.getSelections()
range = selection.getBufferRange()
selection.setBufferRange range, options
blockOperation: (event, command) ->
editor = @getEditor()
vimState = @getVimEditorState editor
unless @isVisualBlockMode vimState
event.abortKeyBinding()
@reset()
return
# May be non-continuous execution.
if editor.getCursors().length is 1
@reset()
currentRow = editor.getLastCursor()?.getBufferRow()
@startRow ?= currentRow
switch command
when 'o'
@startRow = currentRow
when 'D', 'C'
vimState.activateNormalMode()
event.abortKeyBinding()
when 'escape', 'ctrl-v'
vimState.activateNormalMode()
editor.clearSelections()
when 'j', 'k'
cursors = editor.getCursorsOrderedByBufferPosition()
cursorTop = _.first cursors
cursorBottom = _.last cursors
if (command is 'j' and cursorTop.getBufferRow() >= @startRow) or
(command is 'k' and cursorBottom.getBufferRow() <= @startRow)
lastSelection = editor.getLastSelection()
if command is 'j'
editor.addSelectionBelow()
else
editor.addSelectionAbove()
# [FIXME]
# When addSelectionAbove(), addSelectionBelow() doesn't respect
# reversed stated, need improved.
#
# and one more..
#
# When selection is NOT empty and add selection by addSelectionAbove()
# and then move right, selection range got wrong, maybe this is bug..
@adjustSelections editor, reversed: lastSelection.isReversed()
else
# [FIXME]
# Guard to not destroying last cursor
# This guard is no longer needed
# Remove unnecessary code after re-think.
if (editor.getCursors().length < 2)
@reset()
return
if command is 'j'
cursorTop.destroy()
else
cursorBottom.destroy()
when 'I', 'A'
cursorsAdjusted = []
adjustCursor = (selection) ->
{start, end} = selection.getBufferRange()
pointEndOfLine = editor.bufferRangeForBufferRow(start.row).end
pointTarget = {'I': start, 'A': end}[command]
{cursor} = selection
if pointTarget.isGreaterThanOrEqual(pointEndOfLine)
pointTarget = pointEndOfLine
cursorsAdjusted.push cursor
cursor.setBufferPosition(pointTarget)
adjustCursor(selection) for selection in editor.getSelections()
vimState.activateNormalMode()
vimState.activateInsertMode()
if command is 'A' and cursorsAdjusted.length
cursor.moveRight() for cursor in cursorsAdjusted
unless @isVisualBlockMode vimState
@reset()
toggleDebug: ->
oldState = atom.config.get("#{@prefix}.debug")
atom.config.set("#{@prefix}.debug", not oldState)
state = atom.config.get("#{@prefix}.debug") and "enabled" or "disabled"
console.log "#{@prefix}: debug #{state}"
debug: (msg) ->
return unless atom.config.get("#{@prefix}.debug")
console.log msg
# dump: ->
# @debug "@startRow = #{@startRow}"
|
