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Settings for WysiwygPlugin that are common to most editor integrations

WYSIWYG_EXCLUDE - Prevent WYSIWYG editing

The global preference setting WYSIWYG_EXCLUDE can be set to make the plugin sensitive to what is in a topic, before allowing it to be edited. The comma separated list to fall back to text edit can include:

• html - HTML tags (e.g. <div>, not including <br>), or
• variables - simple variables (e.g. %SOMEVAR%) or
• calls - variables with parameters e.g. %SOMECALL{...}%
• pre - pre-formatted blocks (<pre>)
• comments - HTML comments (<!-- ... -->)
• script - inline HTML Script tags - default
• style - inline CSS style tags - default
• table - inline HTML tables (<table ..>. TML tables are not excluded)

If the plugin detects an excluded construct in the topic, it will refuse to allow the edit and will redirect to the default editor.

WYSIWYG_EDITABLE_CALLS - Exceptions to WYSIWYG_EXCLUDE

If you excluded calls in WYSIWYG_EXCLUDE, you can still define a subset of variables that do not block edits. this is done in the global preference setting WYSIWYG_EDITABLE_CALLS, which should be a list of variable names separated by vertical bars, with no spaces, e.g: * Set WYSIWYG_EDITABLE_CALLS = COMMENT|CALENDAR|INCLUDE

You should set WYSIWYG_EXCLUDE and WYSIWYG_EDITABLE_CALLS in TWikiPreferences, or in WebPreferences for each web.

WYSIWYGPLUGIN_PROTECT_EXISTING_TAGS - Protect specific tags originally in the topic text

The WYSIWYGPLUGIN_PROTECT_EXISTING_TAGS preference tells the translator that certain HTML tags which were originally in the topic text should remain as HTML tags; the translator will not try to convert them to TML. This protects the tags themselves, and not the contents enclosed between the <tag> and </tag>

The default setting for this preference is defined within the plugin. It corresponds to div, span.

This feature may be disabled by setting the preference to a single comma. This does not guarantee that HTML markup will be removed; the conversion of HTML tags to TML markup remains subject to the other controls provided by the WysiwygPlugin, including the WYSIWYGPLUGIN_STICKYBITS preference, <sticky> blocks, <literal> blocks and the rules applied to tables and lists.

WYSIWYGPLUGIN_PROTECT_TAG_BLOCKS - Protect specific tag blocks originally in the topic text

The WYSIWYGPLUGIN_PROTECT_TAG_BLOCKS preference tells the translator that certain HTML tag blocks which were originally in the topic text should remain as HTML blocks; the translator will not try to convert them to TML.

The default setting for this preference is defined within the plugin. It corresponds to script, style.

As an example, individual html tables can be protected by surrounding them with <sticky> .. </sticky> block.  However,if you want to have all =<table> markup preserved as entered into topics by default, rather than subject to WYSIWYG editing,  add =table to this list, and =<table> markup will become automatically sticky.

This feature may be disabled by setting the preference to a single comma.

WYSIWYGPLUGIN_STICKYBITS - Protect tags based upon their arguments

You can define the global preference WYSIWYGPLUGIN_STICKYBITS to stop the plugin from ever trying to convert specific HTML tags into TML when certain specific attributes are present on the tag. This is most useful when you have styling or alignment information in tags that must be preserved.

This preference setting is used to tell the translator which attributes, when present on a tag, make it "stick" i.e. block conversion back to TML.

For example, setting it to table=background,lang;tr=valign will stop the translator from trying to convert any table tag that has background or lang attributes, and any tr tag that has a valign attribute back to TWiki | table | column | markup (regardless of where that table tag comes from).

This setting is used only after the page has been processed by the editor. If the editor does not support a particular tag or attribute and the editor corrupts the tag, this setting will not be helpful. It is only used to prevent an HTML tag from being converted back to TML.

Format of the setting is tag1=attrib,attrib;tag2=attrib. Attributes delimited by comma, and tags delimited by semicolon.

• The left side of the equal sign is the tag.
• The right side of the equal sign is a comma delimited list of attributes to be matched.

If a matching tag is found, that matches any of the attributes listed, the tag will not be converted back to TML. You can use perl regular expressions to match tag and attribute names, so .*=id,on.* will ensure that any tag with an id or on* event handler is kept as HTML.

The default setting for this preference are hard coded in the plugin. If you wish to change the settings, the following list is the default setting coded in the plugin:

   * Set WYSIWYGPLUGIN_STICKYBITS = 
        (?!IMG).*=id,lang,title,dir,on.*;
        A=accesskey,coords,shape,target;
        BDO=dir;
        BR=clear;
        COL=char,charoff,span,valign,width;
        COLGROUP=align,char,charoff,span,valign,width;
        DIR=compact;
        DIV=align,style;
        DL=compact;
        FONT=size,face;
        H[0-9]=align;
        HR=align,noshade,size,width;
        LEGEND=accesskey,align;
        LI=value;
        OL=compact,start,type;
        P=align;
        PARAM=name,type,value,valuetype;
        PRE=width;
        Q=cite;
        TABLE=align,bgcolor,frame,rules,summary,width;
        TBODY=align,char,charoff,valign;
        TD=abbr,align,axis,bgcolor,char,charoff,headers,height,nowrap,rowspan,scope,valign,width;
        TFOOT=align,char,charoff,valign;
        TH=abbr,align,axis,bgcolor,char,charoff,height,nowrap,rowspan,scope,valign,width,headers;
        THEAD=align,char,charoff,valign;
        TR=bgcolor,char,charoff,valign;
        UL=compact,type

If you edit using the plain-text editor, you can use the <sticky>..</sticky> tags to delimit HTML (or TML) that you do not want to be WYSIWYG edited.

Related Topics: WysiwygPlugin, WysiwygPluginTopicLister, TinyMCEPlugin, TWikiPreferences