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Diffstat (limited to 'web-ui/public/js/lib/highlightRegex.js')
-rw-r--r-- | web-ui/public/js/lib/highlightRegex.js | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/web-ui/public/js/lib/highlightRegex.js b/web-ui/public/js/lib/highlightRegex.js new file mode 100644 index 00000000..17caaa23 --- /dev/null +++ b/web-ui/public/js/lib/highlightRegex.js @@ -0,0 +1,127 @@ +/* + * jQuery Highlight Regex Plugin v0.1.2 + * + * Based on highlight v3 by Johann Burkard + * http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html + * + * (c) 2009-13 Jacob Rothstein + * MIT license + */ + +;(function( $ ) { + + + + var normalize = function( node ) { + if ( ! ( node && node.childNodes )) return + + var children = $.makeArray( node.childNodes ) + , prevTextNode = null + + $.each( children, function( i, child ) { + if ( child.nodeType === 3 ) { + if ( child.nodeValue === "" ) { + + node.removeChild( child ) + + } else if ( prevTextNode !== null ) { + + prevTextNode.nodeValue += child.nodeValue; + node.removeChild( child ) + + } else { + + prevTextNode = child + + } + } else { + prevTextNode = null + + if ( child.childNodes ) { + normalize( child ) + } + } + }) + } + + + + + $.fn.highlightRegex = function( regex, options ) { + + if ( typeof regex === 'object' && !(regex.constructor.name == 'RegExp' || regex instanceof RegExp ) ) { + options = regex + regex = undefined + } + + if ( typeof options === 'undefined' ) options = {} + + options.className = options.className || 'highlight' + options.tagType = options.tagType || 'span' + options.attrs = options.attrs || {} + + if ( typeof regex === 'undefined' || regex.source === '' ) { + + $( this ).find( options.tagType + '.' + options.className ).each( function() { + + $( this ).replaceWith( $( this ).text() ) + + normalize( $( this ).parent().get( 0 )) + + }) + + } else { + + $( this ).each( function() { + + var elt = $( this ).get( 0 ) + + normalize( elt ) + + $.each( $.makeArray( elt.childNodes ), function( i, searchnode ) { + + var spannode, middlebit, middleclone, pos, match, parent + + normalize( searchnode ) + + if ( searchnode.nodeType == 3 ) { + + // don't re-highlight the same node over and over + if ( $(searchnode).parent(options.tagType + '.' + options.className).length ) { + return; + } + + while ( searchnode.data && + ( pos = searchnode.data.search( regex )) >= 0 ) { + + match = searchnode.data.slice( pos ).match( regex )[ 0 ] + + if ( match.length > 0 ) { + + spannode = document.createElement( options.tagType ) + spannode.className = options.className + $(spannode).attr(options.attrs) + + parent = searchnode.parentNode + middlebit = searchnode.splitText( pos ) + searchnode = middlebit.splitText( match.length ) + middleclone = middlebit.cloneNode( true ) + + spannode.appendChild( middleclone ) + parent.replaceChild( spannode, middlebit ) + + } else break + } + + } else { + + $( searchnode ).highlightRegex( regex, options ) + + } + }) + }) + } + + return $( this ) + } +})( jQuery ); |