extension/packages/find.coffee

   1 utils = require 'utils'
   2
   3 CONTAINER_ID = 'VimFxFindContainer'
   4
   5 # Create and inserts into DOM find controls and handlers
   6 injectFind = (document) ->
   7   # Clean up just in case...
   8   removeFind document
   9
  10   [div, input] = createFindContainer(document)
  11
  12   document.documentElement.appendChild div
  13   input.focus()
  14
  15 # Removes find controls from DOM
  16 removeFind = (document) ->
  17   if div = document.getElementById CONTAINER_ID
  18     document.documentElement.removeChild div
  19
  20 flashFind = (document, findStr) ->
  21   window = document.defaultView
  22
  23   injectFind document
  24   setFindStr document, findStr
  25
  26   window.setTimeout (-> removeFind document), 1000
  27
  28 setFindStr = (document, findStr) ->
  29   if span = document.getElementById "VimFxFindSpan"
  30     span.textContent = "/#{ findStr }"
  31
  32 createFindContainer = (document) ->
  33   div = document.createElement 'div'
  34   div.className = 'VimFxReset'
  35   div.id = CONTAINER_ID
  36
  37   input = document.createElement 'input'
  38   input.type = 'text'
  39   input.id = 'VimFxFindInput'
  40   input.addEventListener 'input', (event) ->
  41     if rootWindow = utils.getRootWindow event.target.ownerDocument.defaultView
  42       if fastFind = rootWindow.gBrowser.fastFind
  43         result = fastFind.find input.value, false
  44
  45   input.addEventListener 'blur', (event) ->
  46     console.log 'find input blur'
  47
  48   console.log 'creating'
  49   div.appendChild input
  50
  51   return [ div, input ]
  52
  53 find = (window, findStr, backwards=false) ->
  54   f = ->
  55     smartCase = findStr.toLowerCase() != findStr
  56
  57     return window.find \
  58       findStr,
  59       smartCase,  # Smart case sensitivity
  60       backwards,  # To avoid getting last search result in the beginning
  61       true,       # aWrapAround - Doesn't currently work as expected
  62       false,      # aWholeWord - Not implemented according to MDN
  63       true,       # aSearchInFrames - Hell yea, search in frames!
  64       false       # aShowDialog - No dialog please
  65
  66
  67   success =  false
  68
  69   # Perform find only if query string isn't empty to avoid find dialog pop up
  70   if findStr.length > 0
  71     # This will change the ::selection css rule
  72     addClass window.document.body, "VimFxFindModeBody"
  73
  74     # Wrap Around is broken... Therefore
  75     if not success = f()
  76       # If first search attemp has failed then
  77       # reset current selection and try again
  78       window.getSelection().removeAllRanges()
  79       success = f()
  80
  81     # For now let's rely on the fact that Fiefox doesn't update the selection
  82     # if the css fule that governs it is chnaged
  83     window.setTimeout (-> removeClass window.document.body, "VimFxFindModeBody"), 1000
  84
  85   return success
  86
  87 # Adds a class the the `element.className` trying to keep the whole class string
  88 # will formed (without extra spaces at the tails)
  89 addClass = (element, klass) ->
  90   if element.className?.search klass == -1
  91     if element.className
  92       element.className += " #{ klass }"
  93     else
  94       element.className = klass
  95
  96 # Remove a class from the `element.className`
  97 removeClass = (element, klass) ->
  98   name = element.className.replace new RegExp("\\s*#{ klass }"), ""
  99   element.className = name or null
 100
 101
 102 exports.injectFind = injectFind
 103 exports.removeFind = removeFind
 104 exports.flashFind  = flashFind
 105 exports.setFindStr = setFindStr
 106 exports.find       = find