class AsciiIo.Renderer.Pre extends AsciiIo.Renderer.Base
tagName: 'pre'
className: 'terminal'
initialize: (options) ->
super(options)
@cachedSpans = {}
@createChildElements()
createChildElements: ->
i = 0
while i < @lines
row = $("")
@$el.append row
@$el.append "\n"
i++
afterInsertedToDom: ->
super()
@initialRender()
@fixSize()
initialRender: ->
brush = AsciiIo.Brush.normal()
changes = {}
i = 0
while i < @lines
changes[i] = [[' '.times(@cols), brush]]
i += 1
@render(changes, 0, 0)
fixSize: ->
width = @$el.width()
height = @$el.height()
@$el.css(width: width + 'px', height: height + 'px')
render: (changes, cursorX, cursorY) ->
@$el.find('.cursor').removeClass('cursor')
super(changes, cursorX, cursorY)
renderLine: (n, fragments, cursorX) ->
html = []
rendered = 0
for fragment in fragments
[text, brush] = fragment
if cursorX isnt undefined and rendered <= cursorX < rendered + text.length
left = text.slice(0, cursorX - rendered)
cursor =
'' + text[cursorX - rendered] + ''
right = text.slice(cursorX - rendered + 1)
t = @escape(left) + cursor + @escape(right)
else
t = @escape(text)
html.push @spanFromBrush(brush)
html.push t
html.push ''
rendered += text.length
@$el.find(".line:eq(" + n + ")")[0].innerHTML = '' + html.join('') + ''
escape: (text) ->
text.replace('&', '&').replace('<', '<')
spanFromBrush: (brush) ->
key = brush.hash()
span = @cachedSpans[key]
if not span
span = ""
if brush != AsciiIo.Brush.normal()
span = ""
@cachedSpans[key] = span
span
showCursor: (show) ->
if show
@$el.addClass "cursor-on"
else
@$el.removeClass "cursor-on"
blinkCursor: ->
cursor = @$el.find(".cursor")
if cursor.hasClass("visible")
cursor.removeClass "visible"
else
cursor.addClass "visible"
resetCursorState: ->
cursor = @$el.find(".cursor")
cursor.addClass "visible"
# TODO: check if it's used
clearScreen: ->
# this.lineData.length = 0;
# @cursorY = @cursorX = 0
@$el.find(".line").empty()