/*
 * jquery.truncate 2.3 - Truncate is a JavaScript plugin built for jQuery
 *
 * Copyright (c) Brian Reindel (http://www.reindel.com/)
 * Licensed under the GPL (http://www.opensource.org/licenses/gpl-license.php)
 * license.
 *
 * @link http://www.reindel.com/truncate
 */

(function($){

    $.fn.truncate = function( max, settings ) {
        settings = jQuery.extend( {
            chars: /\s/,
            trail: [ "...", "" ],
            speed: 'fast'
        }, settings );
        var myResults = {};
        var ie = $.browser.msie;
        function fixIE( o ) {
            if ( ie ) {
                o.style.removeAttribute( "filter" );
            }
        }
        return this.each( function() {
            var $this = jQuery(this);
            var myStrOrig = $this.html().replace( /\r\n/gim, "" );
            var myStr = myStrOrig;
            var myRegEx = /<\/?[^<>]*\/?>/gim;
            var myRegExArray;
            var myRegExHash = {};
            var myResultsKey = $("*").index( this );
            while ( ( myRegExArray = myRegEx.exec( myStr ) ) != null ) {
                myRegExHash[ myRegExArray.index ] = myRegExArray[ 0 ];
            }
            myStr = jQuery.trim( myStr.split( myRegEx ).join( "" ) );
            if ( myStr.length > max ) {
                var c;
                while ( max < myStr.length ) {
                    c = myStr.charAt( max );
                    if ( c.match( settings.chars ) ) {
                        myStr = myStr.substring( 0, max );
                        break;
                    }
                    max--;
                }
                if ( myStrOrig.search( myRegEx ) != -1 ) {
                    var endCap = 0;
                    for ( eachEl in myRegExHash ) {
                        myStr = [ myStr.substring( 0, eachEl ), myRegExHash[ eachEl ], myStr.substring( eachEl, myStr.length ) ].join( "" );
                        if ( eachEl < myStr.length ) {
                            endCap = myStr.length;
                        }
                    }
                    $this.html( [ myStr.substring( 0, endCap ), myStr.substring( endCap, myStr.length ).replace( /<(\w+)[^>]*>.*<\/\1>/gim, "" ).replace( /<(br|hr|img|input)[^<>]*\/?>/gim, "" ) ].join( "" ) );
                } else {
                    $this.html( myStr );
                }
                myResults[ myResultsKey ] = myStrOrig;
                $this.html( [ "<span class='truncate_less'>", $this.html(), settings.trail[ 0 ], "</span>" ].join( "" ) )
                .find(".truncate_show",this).click( function() {
                    if ( $this.find( ".truncate_more" ).length == 0 ) {
                        $this.append( [ "<span class='truncate_more' style='display: none;'>", myResults[ myResultsKey ], settings.trail[ 1 ], "</span>" ].join( "" ) )
                        .find( ".truncate_hide" ).click( function() {
                            $this.find( ".truncate_more" ).fadeOut( settings.speed, function() {
                                $this.find( ".truncate_less" ).fadeIn( settings.speed, function() {
                                    fixIE( this );
                                });
                                fixIE( this );
                            });
                            return false;
                        });
                    }
                    $this.find( ".truncate_less" ).fadeOut( settings.speed, function() {
                        $this.find( ".truncate_more" ).fadeIn( settings.speed, function() {
                            fixIE( this );
                        });
                        fixIE( this );
                    });
                    jQuery(".truncate_show",$this).click( function() {
                        $this.find( ".truncate_less" ).fadeOut( settings.speed, function() {
                            $this.find( ".truncate_more" ).fadeIn( settings.speed, function() {
                                fixIE( this );
                            });
                            fixIE( this );
                        });
                        return false;
                    });
                    return false;
                });
            }
        });
    };
})(jQuery);