source: trunk/expressoAdmin1_2/js/jscode/finder.js @ 6089

var current_value = "";

var default_limit = 0;

var sizelimit = 10;

function Element( id )
{
    return document.getElementById( id );
}

function optionFind( id, selectId, url, ctxId, labelId )
{
    var fillHandler = function( fill, raw ){

        return fillContentSelect( fill, selectId );

    };

    getAvailable( id, fillHandler, url, ctxId, labelId, true );
}

function getAvailable( id, fillHandler, url, ctxId, labelId, bypass )
{
    if( id )
    {
        var sentence = Element( id );

        sentence = sentence ? sentence.value : id;
        
        url += "&filter=" + sentence + "&sentence=" + sentence;
    }

    if( ctxId )
    {
        var ctx = Element( ctxId );
        
        ctx = ctx ? ctx.value : ctxId;

        url += "&context=" + ctx;
    }

    if( bypass )
        bypass = bypassParser;

    userFinder( sentence, fillHandler, url, bypass, labelId );
}

var default_field = "cn";

function userFinder( sentence, selectId, url, handler, labelId )
{
    //current_value = sentence;
    if( typeof limit === "undefined" )
        limit = default_limit;

    //TODO: tornar esse limite configuravel de acordo com a configuracao do expresso
    if( sentence.length < limit )
        return( false );

    if( typeof handler === "string" &&
        typeof labelId === "undefined" )
        labelId = handler,
        handler = undefined;

    if( typeof get_lang === "undefined" )
        get_lang = function( key ){
            var translator = Element( "txt_" + key );

            return translator ? translator.value : key;
        };

    var urlHandler = function(){

            if( labelId )
                Element( labelId ).innerHTML = get_lang('searching') + '...';

            if( typeof url === "function" )
                url = url();

            return( url );
    };

    var defaultParser = function( data, raw ){

        if( labelId )
            Element( labelId ).innerHTML = '&nbsp;';

            var result = false;

            if( handler )
                result = handler( data, raw );

            if( result )
                return( result );

        if( typeof data === "string" )
            return( data );

        return stackParser( data, default_field );
    };

    var fillHandler = function( fill, raw )
    {
        var sizeof = 0;

        if( typeof selectId === "string" )
            sizeof = fillSelect( fill, selectId, default_field );
        else
            sizeof = selectId( fill, raw );

        if( labelId && sizeof >= sizelimit )
            Element( labelId ).innerHTML = 'Muitos resultados encontrados. Por favor, refine sua busca.';

        return( !sizeof );
    }

    return finder( sentence, fillHandler, urlHandler, defaultParser );
}

function finder( sentences, fillHandler, url, parser )
{
    //caso fillHandler nao seja uma funcao, usar a default
//     if( typeof fillHandler === "string" )
//     {
//      var selectId = fillHandler;
// 
//      fillHandler = function( fill ){
// 
//          return !fillSelect( fill, selectId, default_field );
// 
//      };
//     }

    return lookup( sentences, fillHandler, url, parser, fillHandler );
}

function getExp( sentence )
{
   sentence = sentence.replace(/^\s*/, "").replace(/\s*$/, "");
 
   sentence = sentence.replace( / /gi, ".*" );

   sentence = new RegExp( ".*" + sentence + ".*", "i" );

    return( sentence );
}

var options_cache = {};

function setOptions( fill, selectId, field )
{
        var select = $('#'+selectId);
        select.html('');
        
    for( var value in fill )
    {
        if(typeof(value) == "undefined") continue;
        
        if( !options_cache[value] )
             options_cache[value] = {};

        if( !options_cache[value][field] )
             options_cache[value][field] = new Option( fill[value][field], value );

        select.append('<option value="'+value+'">'+fill[value][field]+'</option>');
    }

    return( select.find('option'));
}

function fillSelect( fill, selectId, field )
{
    //Inclui usuario comecando com a pesquisa
    select = setOptions( fill, selectId, field );

    //chama o server side caso nao encontre resultado nenhum com essa sentenca
    return( select.length );
}

function fillContentSelect( fill, selectId )
{
    if( typeof fill === "string" )
    {
        var select = Element( selectId );

        //select.innerHTML = fill;
        
        $("#"+selectId).html(fill);
        
        return( select.options.length );
    }

    var content = "";
        
    for( var section in fill )
    {
        if( !fill[section] || fill[section] === "" )
            continue;

        var entry = entryTag( section );
        
        if(typeof entry == "string")
                content += entry;
        else
                content += entry.outerHTML;
        
        content += fill[section];
    }   
        
    return fillContentSelect( content, selectId );
}


function entryTag( label, select )
{
    var line = '-------------------';
        
    //var option = new Option( line + ' ' + get_lang(label) + ' ' + line + ' ', -1 );
    //option.disabled = true;
        
        var option = "<option value='-1' disabled='disabled'>"+line+" "+get_lang(label)+" "+line+"</option>";

    if( typeof select === "undefined" )
        return( option );

    if( typeof select === "string" )
        select = Element( select ).options;

    if( select.options )
        select = select.options;

    select[select.length] = option;
}

function fillGroupableSelect( fill, selectId, groupHandler, field )
{
    var groups = {};

    var select = Element( selectId ).options;

    var sizeof = select.length = 0;

    for( value in fill )
    {
        var target = fill[value];

        var group = groupHandler( target );

        if( !groups[ group ] )
            groups[ group ] = {};

        groups[ group ][ value ] = target;

        sizeof++;
    }

    for( groupId in groups )
    {
        var group = groups[ groupId ];

         entryTag( groupId, select );

        select = setOptions( group, select, field );
    }

    return( sizeof );
}

function flipParser( data )
{
    var result = {};

    for( var section in data )
    {
        var target = data[section];

        for ( var key in target )
        {
            if( !result[key] )
                result[key] = {};

            result[key][section] = target[key];
        }
    }

    return( result );
}

function stackParser( data, field )
{
    if( !data ) return( false );

    for( var section in data )
        data[section] = normalize( data[section], field );

    return( data );
}

function bypassParser( x ){
    return( x );
}

var userData = {};

function lookup( matchers, fillHandler, url, parser, callback )
{
    var serverCallback = false;

    if( url )
    {
        //handler chamado pelo callback do servidor para repopular.
        serverCallback = function( filters, handler ){

            var refill = function( userd, data ){

                //no caso de existir um custom callback
                if( callback )
                    if( !callback( data, userd ) )
                        return;

                //filter( filters, handler );

            };

            search( url, refill, parser );
        };
    }

    serverCallback( matchers, fillHandler, serverCallback );
}

function filter( filters, fillHandler, emptinessHandler )
{
    filters = normalize( filters );

    var fill = {};

    //varrer todas as sentencas e secoes especificas
    for( key in userData )
    {
        var user = userData[key];

        if( !user ) continue;

        var filtered = false;

        //populando o mapa filtrando pela determinada sentenca
        for( section in filters )
        {
            if( filtered ) break;

            //filtro para a secao especifica.
            var criteria = filters[section];

            var target = user[section] || user;

            if( !criteria( target ) )
                filtered = true;
        }

        if( !filtered )
            fill[key] = user;
    }

    //tenta chamar o handler para popular, caso nao consiga chama o server side
    if( fillHandler )
        if( !fillHandler( fill ) && emptinessHandler )
            return emptinessHandler( filters, fillHandler );

    return( fill );
}

function search( url, callback, parser )
{
    var handler = function( data )
    {
        if( !cExecute )
            data = unserialize( data );

        var dt = false;

        if( typeof data == "string" && data.charAt(0) === '{' )
        {
            try{
                dt = data;
                data = (new Function("return " + data))();
            }
            catch(e){
            }
        }

//      if( data && typeof data !== "string" && data.nosession )
//          window.location.reload( false );

        if( parser )
            data = parser( data, dt );

        if( callback )
            callback( userData, data );
    }

    if( typeof url === "function" )
        url = url();

    if( typeof cExecute !== "undefined" )
        return cExecute( url, handler );

    return this.Connector.newRequest( 'search', url, 'GET', handler );
}

function normalize( raw, field )
{
    if( raw instanceof RegExp )
    {
        var exp = raw;

        raw = function( match ){
            return exp.test( match );
        }
    }

    if( typeof field !== "undefined" && raw !== "object" )
    {
        var content = raw;

        raw = {};
        
        raw[field] = content;
    }

    if( typeof raw === "object" )
        for( var key in raw )
            raw[key] = normalize( raw[key] );

    return( raw );
}