preview in iframe, load_html method

[peach-html5-editor.git] / editor.coffee

diff --git a/editor.coffee b/editor.coffee
index 32c1d4d..4805550 100644 (file)
--- a/editor.coffee
+++ b/editor.coffee
@@ -15,9 +15,12 @@
 # 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) ->
-       # FIXME implement
-       return txt
+       return txt.replace enc_attr_regex, (match, amp, quote) ->
+               return '&amp;' if (amp)
+               return '&quot;' if (quote)
+               return '&nbsp;'
 
 void_elements = {
        area: true
@@ -44,12 +47,14 @@ dom_to_html = (dom) ->
                                ret += '<' + el.name
                                attr_keys = []
                                for k of el.attrs
-                                       attr_keys.push k
-                               attr_keys.sort()
+                                       attr_keys.unshift k
+                               #attr_keys.sort()
                                for k in attr_keys
-                                       ret += " #{k}=\"#{enc_attr el.attrs[k]}\""
+                                       ret += " #{k}"
+                                       if el.attrs[k].length > 0
+                                               ret += "=\"#{enc_attr el.attrs[k]}\""
                                ret += '>'
-                               unless ret.name in void_elements
+                               unless void_elements[el.name]
                                        if el.children.length
                                                ret += dom_to_html el.children
                                        ret += "</#{el.name}>"
@@ -63,16 +68,31 @@ dom_to_html = (dom) ->
                                        ret += " \"#{el.public_identifier}\""
                                if el.system_identifier? and el.system_identifier.length > 0
                                        ret += " \"#{el.system_identifier}\""
+                               ret += ">\n"
        return ret
 
-make_wysiwyg = (el, options = {}) ->
+wysiwyg = (el, options = {}) ->
        opt_fragment = options.fragment ? true
        parser_opts = {}
        if opt_fragment
                parser_opts.fragment = 'body'
-       dom = wheic_parser.parse(el.value, parser_opts)
-       el.value = dom_to_html dom
+       editor_instance = {
+               dom: wheic_parser.parse el.value, parser_opts
+               iframe: document.createElement('iframe')
+               load_html: (html) ->
+                       @dom = wheic_parser.parse el.value, parser_opts
+       }
+       idoc = editor_instance.iframe.contentDocument
+       if options.stylesheet # TODO test this
+               istyle = idoc.createElement 'style'
+               istyle.setAttribute 'src', options.stylesheet
+               idoc.head.appendChild istyle
+       el.parentNode.appendChild editor_instance.iframe
+       return editor_instance
 
-window.wheic = make_wysiwyg
+window.wheic = {
+       wysiwyg: wysiwyg
+       dom_to_html: dom_to_html
+}
 
 # test in browser: wheic(document.getElementsByTagName('textarea')[0])