JasonWoof Got questions, comments, patches, etc.? Contact Jason Woofenden
parser fix: set .parent on text nodes
[peach-html5-editor.git] / editor.coffee
index f4b7845..faa2e3f 100644 (file)
@@ -43,7 +43,7 @@ dom_to_html = (dom) ->
        ret = ''
        for el in dom
                switch el.type
-                       when wheic_parser.TYPE_TAG
+                       when peach_parser.TYPE_TAG
                                ret += '<' + el.name
                                attr_keys = []
                                for k of el.attrs
@@ -58,11 +58,11 @@ dom_to_html = (dom) ->
                                        if el.children.length
                                                ret += dom_to_html el.children
                                        ret += "</#{el.name}>"
-                       when wheic_parser.TYPE_TEXT
+                       when peach_parser.TYPE_TEXT
                                ret += el.text
-                       when wheic_parser.TYPE_COMMENT
+                       when peach_parser.TYPE_COMMENT
                                ret += "<!--#{el.text}-->"
-                       when wheic_parser.TYPE_DOCTYPE
+                       when peach_parser.TYPE_DOCTYPE
                                ret += "<!DOCTYPE #{el.name}"
                                if el.public_identifier? and el.public_identifier.length > 0
                                        ret += " \"#{el.public_identifier}\""
@@ -71,18 +71,123 @@ dom_to_html = (dom) ->
                                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: wheic_parser.parse(el.value, parser_opts)
-       # el.value = dom_to_html dom
+       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.wheic = {
+window.peach = {
        wysiwyg: wysiwyg
        dom_to_html: dom_to_html
 }
 
-# test in browser: wheic(document.getElementsByTagName('textarea')[0])
+# test in browser: peach.wysiwyg(document.getElementsByTagName('textarea')[0])