X-Git-Url: http://git.heureux-cyclage.org/?a=blobdiff_plain;f=resources%2Fsrc%2Fjquery%2Fjquery.highlightText.js;h=7205620c14cc623b4cdccba01302e6af59507067;hb=b5f06bbd12193e3f4dfa00342f882de8afb72c52;hp=3feca81cc1bbc75d7819f1bf2d1ca7727bff670d;hpb=24344400bb218ac621792be95f4ac83bdfc2879c;p=lhc%2Fweb%2Fwiklou.git diff --git a/resources/src/jquery/jquery.highlightText.js b/resources/src/jquery/jquery.highlightText.js index 3feca81cc1..7205620c14 100644 --- a/resources/src/jquery/jquery.highlightText.js +++ b/resources/src/jquery/jquery.highlightText.js @@ -3,32 +3,42 @@ * TODO: Add a function for restoring the previous text. * TODO: Accept mappings for converting shortcuts like WP: to Wikipedia:. */ -( function ( $, mw ) { +( function () { $.highlightText = { // Split our pattern string at spaces and run our highlight function on the results - splitAndHighlight: function ( node, pat ) { + splitAndHighlight: function ( node, text ) { var i, - patArray = pat.split( ' ' ); - for ( i = 0; i < patArray.length; i++ ) { - if ( patArray[ i ].length === 0 ) { + words = text.split( ' ' ); + for ( i = 0; i < words.length; i++ ) { + if ( words[ i ].length === 0 ) { continue; } - $.highlightText.innerHighlight( node, patArray[ i ] ); + $.highlightText.innerHighlight( + node, + new RegExp( '(^|\\s)' + mw.RegExp.escape( words[ i ] ), 'i' ) + ); } return node; }, + prefixHighlight: function ( node, prefix ) { + $.highlightText.innerHighlight( + node, + new RegExp( '(^)' + mw.RegExp.escape( prefix ), 'i' ) + ); + }, + // scans a node looking for the pattern and wraps a span around each match innerHighlight: function ( node, pat ) { var i, match, pos, spannode, middlebit, middleclone; if ( node.nodeType === Node.TEXT_NODE ) { // TODO - need to be smarter about the character matching here. - // non latin characters can make regex think a new word has begun: do not use \b + // non Latin characters can make regex think a new word has begun: do not use \b // http://stackoverflow.com/questions/3787072/regex-wordwrap-with-utf8-characters-in-js // look for an occurrence of our pattern and store the starting position - match = node.data.match( new RegExp( '(^|\\s)' + mw.RegExp.escape( pat ), 'i' ) ); + match = node.data.match( pat ); if ( match ) { pos = match.index + match[ 1 ].length; // include length of any matched spaces // create the span wrapper for the matched text @@ -37,7 +47,7 @@ // shave off the characters preceding the matched text middlebit = node.splitText( pos ); // shave off any unmatched text off the end - middlebit.splitText( pat.length ); + middlebit.splitText( match[ 0 ].length - match[ 1 ].length ); // clone for appending to our span middleclone = middlebit.cloneNode( true ); // append the matched text node to the span @@ -63,12 +73,25 @@ } }; - $.fn.highlightText = function ( matchString ) { + /** + * Highlight certain text in current nodes (by wrapping it in `...`). + * + * @param {string} matchString String to match + * @param {Object} [options] + * @param {string} [options.method='splitAndHighlight'] Method of matching to use, one of: + * - 'splitAndHighlight': Split `matchString` on spaces, then match each word separately. + * - 'prefixHighlight': Match `matchString` at the beginning of text only. + * @return {jQuery} + * @chainable + */ + $.fn.highlightText = function ( matchString, options ) { + options = options || {}; + options.method = options.method || 'splitAndHighlight'; return this.each( function () { var $el = $( this ); $el.data( 'highlightText', { originalText: $el.text() } ); - $.highlightText.splitAndHighlight( this, matchString ); + $.highlightText[ options.method ]( this, matchString ); } ); }; -}( jQuery, mediaWiki ) ); +}() );