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HTML composition, take 2
Monotone-Parent: dbd490c81ea6cac4c12b2e17661e2fef43219e68 Monotone-Revision: 0801dc9f1e4fdc49ea44fc0450fb025c2639ed26 Monotone-Author: crobert@inverse.ca Monotone-Date: 2009-06-25T19:18:02 Monotone-Branch: ca.inverse.sogo
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/*
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Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
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For licensing, see LICENSE.html or http://ckeditor.com/license
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*/
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(function()
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{
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var entities =
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// Base HTML entities.
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'nbsp,gt,lt,quot,' +
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// Latin-1 Entities
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'iexcl,cent,pound,curren,yen,brvbar,sect,uml,copy,ordf,laquo,' +
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'not,shy,reg,macr,deg,plusmn,sup2,sup3,acute,micro,para,middot,' +
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'cedil,sup1,ordm,raquo,frac14,frac12,frac34,iquest,times,divide,' +
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// Symbols
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'fnof,bull,hellip,prime,Prime,oline,frasl,weierp,image,real,trade,' +
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'alefsym,larr,uarr,rarr,darr,harr,crarr,lArr,uArr,rArr,dArr,hArr,' +
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'forall,part,exist,empty,nabla,isin,notin,ni,prod,sum,minus,lowast,' +
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'radic,prop,infin,ang,and,or,cap,cup,int,there4,sim,cong,asymp,ne,' +
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'equiv,le,ge,sub,sup,nsub,sube,supe,oplus,otimes,perp,sdot,lceil,' +
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'rceil,lfloor,rfloor,lang,rang,loz,spades,clubs,hearts,diams,' +
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// Other Special Characters
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'circ,tilde,ensp,emsp,thinsp,zwnj,zwj,lrm,rlm,ndash,mdash,lsquo,' +
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'rsquo,sbquo,ldquo,rdquo,bdquo,dagger,Dagger,permil,lsaquo,rsaquo,' +
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'euro';
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// Latin Letters Entities
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var latin =
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'Agrave,Aacute,Acirc,Atilde,Auml,Aring,AElig,Ccedil,Egrave,Eacute,' +
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'Ecirc,Euml,Igrave,Iacute,Icirc,Iuml,ETH,Ntilde,Ograve,Oacute,Ocirc,' +
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'Otilde,Ouml,Oslash,Ugrave,Uacute,Ucirc,Uuml,Yacute,THORN,szlig,' +
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'agrave,aacute,acirc,atilde,auml,aring,aelig,ccedil,egrave,eacute,' +
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'ecirc,euml,igrave,iacute,icirc,iuml,eth,ntilde,ograve,oacute,ocirc,' +
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'otilde,ouml,oslash,ugrave,uacute,ucirc,uuml,yacute,thorn,yuml,' +
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'OElig,oelig,Scaron,scaron,Yuml';
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// Greek Letters Entities.
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var greek =
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'Alpha,Beta,Gamma,Delta,Epsilon,Zeta,Eta,Theta,Iota,Kappa,Lambda,Mu,' +
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'Nu,Xi,Omicron,Pi,Rho,Sigma,Tau,Upsilon,Phi,Chi,Psi,Omega,alpha,' +
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'beta,gamma,delta,epsilon,zeta,eta,theta,iota,kappa,lambda,mu,nu,xi,' +
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'omicron,pi,rho,sigmaf,sigma,tau,upsilon,phi,chi,psi,omega,thetasym,' +
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'upsih,piv';
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function buildTable( entities )
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{
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var table = {},
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regex = [];
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// Entities that the browsers DOM don't transform to the final char
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// automatically.
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var specialTable =
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{
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nbsp : '\u00A0', // IE | FF
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shy : '\u00AD', // IE
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gt : '\u003E', // IE | FF | -- | Opera
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lt : '\u003C' // IE | FF | Safari | Opera
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};
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entities = entities.replace( /\b(nbsp|shy|gt|lt|amp)(?:,|$)/g, function( match, entity )
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{
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table[ specialTable[ entity ] ] = '&' + entity + ';';
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regex.push( specialTable[ entity ] );
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return '';
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});
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// Transforms the entities string into an array.
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entities = entities.split( ',' );
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// Put all entities inside a DOM element, transforming them to their
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// final chars.
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var div = document.createElement( 'div' ),
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chars;
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div.innerHTML = '&' + entities.join( ';&' ) + ';';
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chars = div.innerHTML;
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div = null;
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// Add all chars to the table.
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for ( var i = 0 ; i < chars.length ; i++ )
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{
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var charAt = chars.charAt( i );
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table[ charAt ] = '&' + entities[ i ] + ';';
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regex.push( charAt );
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}
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table.regex = regex.join( '' );
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return table;
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}
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CKEDITOR.plugins.add( 'entities',
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{
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afterInit : function( editor )
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{
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var config = editor.config;
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if ( !config.entities )
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return;
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var dataProcessor = editor.dataProcessor,
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htmlFilter = dataProcessor && dataProcessor.htmlFilter;
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if ( htmlFilter )
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{
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var selectedEntities = entities;
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if ( config.entities_latin )
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selectedEntities += ',' + latin;
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if ( config.entities_greek )
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selectedEntities += ',' + greek;
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if ( config.entities_additional )
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selectedEntities += ',' + config.entities_additional;
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var entitiesTable = buildTable( selectedEntities );
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// Create the Regex used to find entities in the text.
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var entitiesRegex = '[' + entitiesTable.regex + ']';
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delete entitiesTable.regex;
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if ( config.entities_processNumerical )
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entitiesRegex = '[^ -~]|' + entitiesRegex ;
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entitiesRegex = new RegExp( entitiesRegex, 'g' );
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function getChar( character )
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{
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return entitiesTable[ character ] || ( '&#' + character.charCodeAt(0) + ';' );
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}
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htmlFilter.addRules(
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{
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text : function( text )
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{
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return text.replace( entitiesRegex, getChar );
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}
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});
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}
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}
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});
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})();
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CKEDITOR.config.entities = true;
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CKEDITOR.config.entities_latin = true;
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CKEDITOR.config.entities_greek = true;
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CKEDITOR.config.entities_processNumerical = false;
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CKEDITOR.config.entities_additional = '#39';
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