/*
bshop multiselect filter handling
*/

function detailMultiSelect(filter) {
    element = '#' + filter + 'Detail';
    visible = $(element).is(':visible');    

    if (visible) {
        $(element).hide();
    } else {
        $(element).show();
    }
}

function addValueToMultiSelect(filter, value) {
    values = getValuesFromMultiSelect(filter);
    alreadyExists = values.indexOf(value) > -1;
    
    if (!alreadyExists && value !== '') {
        values.push(value);            
        addValuesToMultiSelect(filter, values);
    }    
}

function removeLastFromMultiSelect(filter) {
    values = getValuesFromMultiSelect(filter);
    removeFromMultiSelect(filter, values[values.length - 1]);
}

function removeFromMultiSelect(filter, value) {                
    values = getValuesFromMultiSelect(filter);
    values.splice(values.indexOf(value), 1);
    addValuesToMultiSelect(filter, values);
}

function addValuesToMultiSelect(filter, values) {
    s = values.toString();            
                    
    if (values.toString().charAt(0) === ',') {
        s = s.substring(1);
    }
            
    $('#' + filter).val(s);
}

function getValuesFromMultiSelect(filter) {
    return $('#' + filter).val().split(',');
}

function removeValuesFromMultiSelect(filter) {
    values = getValuesFromMultiSelect(filter);
    $.each(values, function (index) {
        removeFromMultiSelect(filter, values[index]);
    });
}    

function addAllValuesToMultiSelect(filter) {
    removeValuesFromMultiSelect(filter);
    
    $('#cbo' + filter).children().each(function () {
        addValueToMultiSelect(filter, $(this).val());
    });
}

function reverseValuesFromMultiSelect(filter) {
    values = getValuesFromMultiSelect(filter);
    addValuesToMultiSelect(filter, values.reverse());        
}