/*

The objct links to a TABLE (no form), perform error checking and executes specified function if no errors.
The form INSTANTIATES: Insert, Update, Delete buttons, User Message
Errors: checked on all fields, according to the button clicked.
Upon error detection: builds the User Message, displays it and returns True/False in pCbkAfterCheck

RELATIONAL ERRORS cannot be detected at this level. Verification should be performed at the UI level.


CONVENTION
-----------
- Insert: TD with id: idBtnInsert
- Update: TD with id: idBtnUpdate
- Delete: TD with id: idBtnDelete
NOTE: Only one button of a type / form

Button syntax
------------
IdBtn<Function><optional numbers>

FIELDS
------
- Mandatory/optional fields are specieid in form through their classes

Includes
--------
 */


    $.fn.uaForm = function(options)
    {
        options = $.extend({
                                pItems  : null              //items in form subject for AJAX xfer
                            }, options);//options

        
        this.
            on(EV_INIT,function(ev)
            {
                ev.stopImmediatePropagation();
                
                $.each(options.pItems,function()
                {
                    $(this).trigger(EV_INIT);
                });
            }).
            on(EV_CLEAR,function(ev)
            {
                ev.stopImmediatePropagation();
                
                $.each(options.pItems,function()
                {
                    $(this).trigger(EV_CLEAR);
                });
            }).
            on(EV_SET_DEFAULT,function(ev)
            {
                ev.stopImmediatePropagation();
                
                $.each(options.pItems,function()
                {
                    $(this).trigger(EV_SET_DEFAULT);
                });
            }).
            on(EV_CHECK_FOR_ERRORS,function(ev)
            {
                ev.stopImmediatePropagation();
              
                $.each(options.pItems,function()
                {
                    $(this).trigger(EV_CHECK_FOR_ERRORS);
                });
            });       
            
        this.hasErrors = function()
        {
            let bErrors= false;
/*            
            $.each(options.pItems,function()
            {
                bErrors |= $(this).hasClass('border-danger') || $(this).hasClass('text-danger');
                return !bErrors;
            }); 
*/            
            $.each(options.pItems,function()
            {
                switch(this.hasErrors)
                {
                    case undefined:
                        bErrors |= $(this).hasClass('border-danger');
                        break;
                        
                    default:
                        bErrors |= this.hasErrors();
                        break;
                };
            }); 
            
            //return bErrors===1? true:false;
            return bErrors===1;
        };
        
       
        this.clearErrors = function()
        {
            $.each(options.pItems,function()
            {
                $(this).trigger(EV_CLEAR_ERRORS);
            }); 
            return this;
        };
        
    return this;
    };//nkTdForm