# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# encode text so it can be safely placed inside an html attribute
+enc_attr_regex = new RegExp '(&)|(")|(\u00A0)', 'g'
+enc_attr = (txt) ->
+ return txt.replace enc_attr_regex, (match, amp, quote) ->
+ return '&' if (amp)
+ return '"' if (quote)
+ return ' '
+
+void_elements = {
+ area: true
+ base: true
+ br: true
+ col: true
+ embed: true
+ hr: true
+ img: true
+ input: true
+ keygen: true
+ link: true
+ meta: true
+ param: true
+ source: true
+ track: true
+ wbr: true
+}
+dom_to_html = (dom) ->
+ ret = ''
+ for el in dom
+ switch el.type
+ when peach_parser.TYPE_TAG
+ ret += '<' + el.name
+ attr_keys = []
+ for k of el.attrs
+ attr_keys.unshift k
+ #attr_keys.sort()
+ for k in attr_keys
+ ret += " #{k}"
+ if el.attrs[k].length > 0
+ ret += "=\"#{enc_attr el.attrs[k]}\""
+ ret += '>'
+ unless void_elements[el.name]
+ if el.children.length
+ ret += dom_to_html el.children
+ ret += "</#{el.name}>"
+ when peach_parser.TYPE_TEXT
+ ret += el.text
+ when peach_parser.TYPE_COMMENT
+ ret += "<!--#{el.text}-->"
+ when peach_parser.TYPE_DOCTYPE
+ ret += "<!DOCTYPE #{el.name}"
+ if el.public_identifier? and el.public_identifier.length > 0
+ ret += " \"#{el.public_identifier}\""
+ if el.system_identifier? and el.system_identifier.length > 0
+ ret += " \"#{el.system_identifier}\""
+ ret += ">\n"
+ return ret
+
+domify = (h) ->
+ for tag, attrs of h
+ if tag is 'text'
+ return document.createTextNode attrs
+ el = document.createElement tag
+ for k, v of attrs
+ if k is 'children'
+ for child in v
+ el.appendChild child
+ else
+ el.setAttribute k, v
+ return el
+
+css = ''
+css += 'div#peach_editor_cursor {'
+css += 'display: inline-block;'
+css += 'height: 1em;'
+css += 'width: 2px;'
+css += 'margin-left: -1px;'
+css += 'margin-right: -1px;'
+css += 'background: #000;'
+css += '-webkit-animation: 1s blink step-end infinite;'
+css += 'animation: 1s blink step-end infinite;'
+css += '}'
+css += '@-webkit-keyframes "blink" {'
+css += 'from, to { background: #000; }'
+css += '50% { background: transparent; }'
+css += '}'
+css += '@keyframes "blink" {'
+css += 'from, to { background: #000; }'
+css += '50% { background: transparent; }'
+css += '}'
+
+# key codes:
+KEY_LEFT = 37
+KEY_UP = 38
+KEY_RIGHT = 39
+KEY_DOWN = 40
+KEY_BACKSPACE = 8 # <--
+KEY_DELETE = 46 # -->
+KEY_END = 35
+KEY_ENTER = 13
+KEY_ESCAPE = 27
+KEY_HOME = 36
+KEY_INSERT = 45
+KEY_PAGE_UP = 33
+KEY_PAGE_DOWN = 34
+KEY_TAB = 9
+
+wysiwyg = (el, options = {}) ->
+ opt_fragment = options.fragment ? true
+ parser_opts = {}
+ if opt_fragment
+ parser_opts.fragment = 'body'
+ editor_instance = {
+ dom: []
+ iframe: document.createElement('iframe')
+ load_html: (html) ->
+ @dom = peach_parser.parse html, parser_opts
+ as_html = peach.dom_to_html @dom
+ as_html = as_html.substr(0, 5) + '<span class="peach_editor_cursor"></span>' + as_html.substr(5)
+ @iframe.contentDocument.body.innerHTML = as_html
+ }
+ el.parentNode.appendChild editor_instance.iframe
+ idoc = editor_instance.iframe.contentDocument
+ ignore_key_codes =
+ '18': true # alt
+ '20': true # capslock
+ '17': true # ctrl
+ '144': true # numlock
+ '16': true # shift
+ '91': true # windows "start" key
+ control_key_codes = # we react to these, but they aren't typing
+ '37': KEY_LEFT
+ '38': KEY_UP
+ '39': KEY_RIGHT
+ '40': KEY_DOWN
+ '35': KEY_END
+ '8': KEY_BACKSPACE
+ '46': KEY_DELETE
+ '13': KEY_ENTER
+ '27': KEY_ESCAPE
+ '36': KEY_HOME
+ '45': KEY_INSERT
+ '33': KEY_PAGE_UP
+ '34': KEY_PAGE_DOWN
+ '9': KEY_TAB
+
+ idoc.body.onkeyup = (e) ->
+ return false if ignore_key_codes[e.keyCode]?
+ return false if control_key_codes[e.keyCode]?
+ idoc.body.onkeydown = (e) ->
+ return false if ignore_key_codes[e.keyCode]?
+ return false if control_key_codes[e.keyCode]?
+ idoc.body.onkeypress = (e) ->
+ return if e.ctrlKey
+ return false if ignore_key_codes[e.keyCode]?
+ # in firefox, keyCode is only set for non-typing keys
+ if e.keyCode isnt KEY_BACKSPACE # so this is fine
+ return false if control_key_codes[e.keyCode]?
+ char = e.charCode ? e.keyCode
+ el.value += String.fromCharCode char
+ editor_instance.load_html el.value
+ return false
+ if options.stylesheet # TODO test this
+ istyle = idoc.createElement 'style'
+ istyle.setAttribute 'src', options.stylesheet
+ idoc.head.appendChild istyle
+ icss = idoc.createElement 'style'
+ icss.appendChild idoc.createTextNode css
+ idoc.head.appendChild icss
+ editor_instance.load_html el.value
+ return editor_instance
+
+window.peach = {
+ wysiwyg: wysiwyg
+ dom_to_html: dom_to_html
+}
+
+# test in browser: peach.wysiwyg(document.getElementsByTagName('textarea')[0])
Got questions, comments, patches, etc.? Contact Jason Woofenden