/*
* FancyForm 0.91
* By Vacuous Virtuoso, lipidity.com
* ---
* Checkbox and radio input replacement script.
* Toggles defined class when input is selected.
*/
var FancyForm = {
    start: function(elements, options){
        FancyForm.runningInit = 1;
        if($type(elements)!='array') elements = $$('input');
        if(!options) options = [];
        FancyForm.onclasses = ($type(options['onClasses']) == 'object') ? options['onClasses'] : {
            checkbox: 'checked',
            radio: 'selected'
        }
        FancyForm.offclasses = ($type(options['offClasses']) == 'object') ? options['offClasses'] : {
            checkbox: 'unchecked',
            radio: 'unselected'
        }
        if($type(options['extraClasses']) == 'object'){
            FancyForm.extra = options['extraClasses'];
        } else if(options['extraClasses']){
            FancyForm.extra = {
                checkbox: 'f_checkbox',
                radio: 'f_radio',
                on: 'f_on',
                off: 'f_off',
                all: 'fancy'
            }
        } else {
            FancyForm.extra = {};
        }
        FancyForm.onSelect = $pick(options['onSelect'], function(el){});
        FancyForm.onDeselect = $pick(options['onDeselect'], function(el){});
        var keeps = [];
        FancyForm.chks = elements.filter(function(chk){
            if( $type(chk) != 'element' ) return false;
            if( chk.getTag() == 'input' && (FancyForm.onclasses[chk.getProperty('type')]) ){
                var el = chk.getParent();
                if(el.getElement('input')==chk){
                    el.type = chk.getProperty('type');
                    el.inputElement = chk;
                    this.push(el);
                } else {
                    chk.addEvent('click',function(ev){ev.stopPropagation();})
                //    el = (new Element('div',{class:'hi'}).adopt(chk)).injectInside(el);
                }
            } else if( (chk.inputElement = chk.getElement('input')) && (FancyForm.onclasses[(chk.type = chk.inputElement.getProperty('type'))]) ){
                return true;
            }
            return false;
        }.bind(keeps));
        FancyForm.chks = FancyForm.chks.merge(keeps);
        keeps = null;
        FancyForm.chks.each(function(chk){
            chk.inputElement.setStyle('position', 'absolute');
            chk.inputElement.setStyle('left', '-9999px');
            chk.addEvent('selectStart', function(){})
            chk.name = chk.inputElement.getProperty('name');
            if(chk.inputElement.checked) FancyForm.select(chk);
            else FancyForm.deselect(chk);
            chk.addEvent('click', function(e){
                var e = new Event(e);
                if(chk.inputElement.getProperty('disabled')) return;
                if ($type(e.preventDefault) == 'function')
                    e.preventDefault(true);
                else if ($type(e.returnValue) == 'function')
                    e.returnValue(true);
                if (!chk.hasClass(FancyForm.onclasses[chk.type]))
                        FancyForm.select(chk);
                else if(chk.type != 'radio')
                    FancyForm.deselect(chk);
                FancyForm.focusing = 1;
                chk.inputElement.focus();
                FancyForm.focusing = 0;
            });
            chk.addEvent('mousedown', function(e){
                if ($type(e.preventDefault) == 'function')
                    e.preventDefault(true);
                else if ($type(e.returnValue) == 'function')
                    e.returnValue(true);
            });
            chk.inputElement.addEvent('focus', function(e){
                if(!FancyForm.focusing) chk.setStyle('outline', '1px dotted');
            });
            chk.inputElement.addEvent('blur', function(e){chk.setStyle('outline', '0')});
            if(extraclass = FancyForm.extra[chk.type])
                chk.addClass(extraclass);
            if(extraclass = FancyForm.extra['all'])
                chk.addClass(extraclass);
        });
        FancyForm.runningInit = 0;
    },
    select: function(chk){
        chk.inputElement.checked = 'checked';
        chk.removeClass(FancyForm.offclasses[chk.type]);
        chk.addClass(FancyForm.onclasses[chk.type]);
        if (chk.type == 'radio'){
            FancyForm.chks.each(function(other){
                if (other.name != chk.name || other == chk) return;
                FancyForm.deselect(other);
            });
        }
        if(extraclass = FancyForm.extra['on'])
            chk.addClass(extraclass);
        if(extraclass = FancyForm.extra['off'])
            chk.removeClass(extraclass);
        if(!FancyForm.runningInit)
            FancyForm.onSelect(chk);
    },
    deselect: function(chk){
        chk.inputElement.checked = false;
        chk.removeClass(FancyForm.onclasses[chk.type]);
        chk.addClass(FancyForm.offclasses[chk.type]);
        if(extraclass = FancyForm.extra['off'])
            chk.addClass(extraclass);
        if(extraclass = FancyForm.extra['on'])
            chk.removeClass(extraclass);
        if(!FancyForm.runningInit)
            FancyForm.onDeselect(chk);
    },
    all: function(){
        FancyForm.chks.each(function(chk){
            FancyForm.select(chk);
        });
    },
    none: function(){
        FancyForm.chks.each(function(chk){
            FancyForm.deselect(chk);
        });
    }
};
window.addEvent('domready', function(){
    FancyForm.start();
});