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
@$el.append "\n"
i++
fixTerminalElementSize: ->
width = @cols * @cellWidth
height = @lines * @cellHeight
@$el.css(width: width + 'px', height: height + 'px')
render: ->
if @state.dirty
@$el.find('.cursor').removeClass('cursor')
super
renderLine: (n, fragments, cursorX) ->
html = []
rendered = 0
for fragment in fragments
[text, brush] = fragment
if cursorX isnt undefined and rendered <= cursorX < rendered + text.length
left = text.slice(0, cursorX - rendered)
cursor =
'' + text[cursorX - rendered] + ''
right = text.slice(cursorX - rendered + 1)
t = @escape(left) + cursor + @escape(right)
else
t = @escape(text)
html.push @spanFromBrush(brush)
html.push t
html.push ''
rendered += text.length
@$el.find(".line:eq(" + n + ")")[0].innerHTML = '' + html.join('') + ''
escape: (text) ->
text.replace(/&/g, '&').replace(//g, '>')
spanFromBrush: (brush) ->
brush = AsciiIo.Brush.create brush
key = brush.hash()
span = @cachedSpans[key]
if not span
span = ""
if brush != AsciiIo.Brush.default()
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()