////////////////////////
//File  : blog_ajax_json_search.js
//site  : http://java.cocolog-nifty.com/
//author: naoyuki
//year  : 2006
//この作品は、クリエイティブ・コモンズの帰属-同一条件許諾 2.1 日本ライセンスの下でライセンスされています。この使用許諾条件を見るには、http://creativecommons.org/licenses/by-sa/2.1/jp/をチェックするか、クリエイティブ･コモンズに郵便にてお問い合わせください。住所は：559 Nathan Abbott Way, Stanford, California 94305, USA です。
////////////////////////


var is_loaded = false;
var backnumber_url_list;
var entries;
var search_keyword;
var result_content;
var timerId;

load_center_id();
function load_center_id() {
    var center = document.getElementById( 'center' );
    if ( center ) {
        ligting_search_keyword( center );
    } else {
        window.setTimeout( 'load_center_id()', 5000 );
    }
}

function ligting_search_keyword( center ) {
    var args = getHashArgs();
    var searched_keyword = args.search_word;
    if ( searched_keyword ) {
        searched_keyword = searched_keyword.replace( /([\/\\\.\*\+\?\|\(\)\[\]\{\}\$\^])/g, "\\$1" );
        searched_keyword = searched_keyword.replace( /( +|　+)/, ' ' );
        searched_keyword = searched_keyword.replace( /( |　)$/, '' );
        var keywords = searched_keyword.split(/ |　/);
        var h3 = center.getElementsByTagName( 'h3' );
        h3[0].innerHTML = highlight( h3[0].innerHTML, keywords );
        var div = center.getElementsByTagName( 'div' );
        for ( var i = 0; i < div.length; i++ ) {
            if ( div[i].className == 'entry-body-text' || div[i].className == 'comment-content' ) {	//	patched by furyu: add 'comment-content'
                div[i].innerHTML = highlight( div[i].innerHTML, keywords );
            }
        }
    }
}

function getHashArgs () {
    var args = new Object();
    var query = location.href.replace(/.*?#/,"");
   query = decodeURIComponent( query );
    var pairs = query.split("&");
    for ( var i = 0; i < pairs.length; i++ ) {
        var pos = pairs[i].indexOf('=');
        if ( pos == -1 ) continue;
        var argname = pairs[i].substring( 0, pos );
        var value = pairs[i].substring( pos + 1 );
        args[argname] = value;
    }
    return args;
}

function blogAjaxJsonSearch( archive_file_path, text ) {
	//alert("called blogAjaxJsonSearch : "+archive_file_path+" : "+text);
    search_keyword = text;
    var div_tag = document.getElementsByTagName('div');
    for ( var i = 0; i < div_tag.length; i ++ ) {
        if ( div_tag[i].className == 'result' ) { // Pached by Dificlo
            result_content = div_tag[i];
        }
    }
    result_content.innerHTML = 'now searching.';
    added_period( result_content );
    if ( is_loaded ) {
        search();
    } else {
        new Ajax.Request( archive_file_path, {method: 'get', onComplete: function(request){ parse_archive_data( request ); } } );    
    }
}

function added_period( content ) {
    if ( !is_loaded ) {
        result_content.innerHTML += '.';
        timerId = setTimeout("added_period()", 50 );
    }
}

function parse_archive_data( request ) {
        var data_string = request.responseText;
        data_string = data_string.replace( new RegExp( '<.*?>', "i"), '' )
        entries = eval( data_string );
        search();
}

function show_all_backnumbers() {
    var text = '<ol type=1 start=1 style="text-align:left;">';
    for ( var i = 0; i < entries.length-1; i++ ) {	//	patched by furyu: entries.length => entries.length-1
        text += '<li><a href="' + entries[i].link + '">' +entries[i].title + '</a></li>';
    }
    text += '</ol>';
    document.getElementById('center').innerHTML = text;
}

function search() {
    var result_data = new Array();
    search_keyword = search_keyword.replace( /([\/\\\.\*\+\?\|\(\)\[\]\{\}\$\^])/g, "\\$1" );
    search_keyword = search_keyword.replace( /( +|　+)/, ' ' );
    search_keyword = search_keyword.replace( /( |　)$/, '' );
    var keywords = search_keyword.split(/ |　/);
    var key = new Array();
    for (var i= 0;i<keywords.length;i++) {
        key[ key.length ] = new RegExp( keywords[i], "i" );
    }
    for ( var i= 0; i<entries.length-1; i++ ) {	//	patched by furyu: entries.length => entries.length-1
        var is_match = true;
        for ( var j= 0; j<key.length; j++ ) {
            var res_title = key[j].exec( entries[i].title );
            var res_body = key[j].exec( entries[i].entbody );
            var res_kana = key[j].exec( entries[i].kana );
            var res_code = key[j].exec( entries[i].code );
            var res_number = key[j].exec( entries[i].number );
            var res_category = key[j].exec( entries[i].category );
            var res_tag = key[j].exec( entries[i].tag );
            if ( !res_title && !res_body && !res_kana && !res_code && !res_number && !res_category && !res_tag ) {
                is_match = false;
            }
        }
        if ( is_match ) {
            result_data[ result_data.length ] = entries[i];
        }
    }
    var result_html = '';
    if ( result_data.length == 0 ) {
        result_html = build_no_result_html( result_data, keywords ); // Pached by Digiclo
    } else {
        result_html = build_search_result_html( result_data, keywords );
    }
    var div = window.document.getElementsByTagName('div');
//	var content;
//	var original_content_html = '';
//	for ( var i = 0; i < div.length; i ++ ) {
//		if ( div[i].className == 'content' ) {
//			content = div[i];
//			original_content_html = content.innerHTML;
//		}
//	}
    is_loaded = true;
    clearTimeout(timerId);
    result_content.innerHTML = result_html;
}



function build_search_result_html( result_data, keywords ) {
    var html = '<div class="searchInfo left"><h2>SEARCH RESULTS</h2><ul><li class="keyWord">'+search_keyword+'</li><li>' + result_data.length + ' hits</li></ul></div><div class="searchItem left">';
    for ( var i= 0; i<result_data.length; i++ ) {
		if(result_data[i].blog == 'ONLINE STORE'){
			html += '<div class="unitItem left"><p class="imgItem"><a href="'+result_data[i].link+'">';
			if(result_data[i].img == 'http://www.mpb-store.jp/store/img/'){
				html += '<img class="captify" rel="caption[i]" src="http://www.mpb-store.jp/store/img/noImg.gif" />';
			} else {
				html += '<img class="captify" rel="caption[i]" src="'+result_data[i].img+'" />';
			}
			html += '</a></p><h2><a href="'+result_data[i].link+'">' + highlight( result_data[i].title, keywords ) + '</a></h2><p>' + highlight( result_data[i].kana, keywords ) + '</p><p>Categories : ' + highlight( result_data[i].category, keywords ) + '</p><p>Tags : ' + highlight( result_data[i].tag, keywords ) + '<p>' + highlight( trunc01( result_data[i].entbody, keywords[0] ), keywords ) + '</p></div>';
		} else {
			html += '<dl><dt><a href="'+result_data[i].link+'">' + highlight( result_data[i].title, keywords ) + '</a></dt><dd>Posted on : '+result_data[i].date+'</dd><dd>Category : ' + highlight( result_data[i].category, keywords ) + '</dd><dd>Tags : ' + highlight( result_data[i].tag, keywords ) + '</dd><dd>' + highlight( trunc02( result_data[i].entbody, keywords[0] ), keywords ) + '</dd></dl>';
		}
    }
    html += '</div>';
    return html;
}
// Add by Digiclo
function build_no_result_html( result_data, keywords ) {
    var html = '<div class="searchInfo left"><h2>SEARCH RESULTS</h2><ul><li>'+search_keyword+'</li><li>Sorry, No hit</li></ul></div><div class="searchItem left"><p class="noResult">No Entries Available.</p></div>';
html += '</div>';
    return html;
}

function trunc01( text, keyword ) {
    var key = new RegExp( keyword, "i" );
    var res = key.exec( text );

    if ( res ) {
    	var index  = res.index;
    	var length = res[0].length;
    	var start;
    	var end;

    	start = index - 10;
    	end = 15;
    	text = text.substring( start, index ) + text.substr( index, length ) + text.substr( index + length, end ) +'...';
    } else {
        text = text.substring( start, 25 );
    }
    return text;
}

function trunc02( text, keyword ) {
    var key = new RegExp( keyword, "i" );
    var res = key.exec( text );

    if ( res ) {
    	var index  = res.index;
    	var length = res[0].length;
    	var start;
    	var end;

    	start = index - 20;
    	end = 55;
    	text = text.substring( start, index ) + text.substr( index, length ) + text.substr( index + length, end ) +'...';
    } else {
        text = text.substring( start, 50 );
    }
    return text;
}

function highlight( text, keywords ) {
    var keyword = '';
    for ( var i= 0; i<keywords.length; i++ ) {
        if ( i == keywords.length - 1 ) {
            keyword += keywords[i];
        } else {
            keyword += keywords[i] + '|'; 
        }
    }
    return text.replace( new RegExp( '(' + keyword + ')', "ig"), '<span class="keyword">' + "$1" + '</span>' );
}