Umbraco TinyMCE Customization for Flash Rich Text
Flash doesn’t support most of the html elements of a standard web page. TinyMCE’s creators Moxiecode have thankfully given us the TinyMCE rules for flash here:
So to get Umbraco & TinyMCE working to give your flash application the markup that it needs you need to modify your \config\tinyMceConfig.config file:
<validElements> <![CDATA[+a[href|target], +b, +br, +font[color|face|size], +img[src|id|width|height|align|hspace|vspace], +i, +li, +p[align|class], +h1, +h2, +h3, +h4, +h5, +h6, +span[class], +textformat[blockindent|indent|leading|leftmargin|rightmargin|tabstops], +u ]]> </validElements>
Then there’s the issue that flash treats real line breaks and <br/> tags exactly the same! This will probably cause you a few headaches trying to work that out. So to save you that headache, you need to output the rich text markup via XSLT to flash using the XSLT function: normalize-space
<xsl:value-of select="normalize-space($myRichTextValue)" />
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