// choice field object
Zymonic.Field.MultipleValue = function() {};

// do the inheritance
Zymonic.Field.MultipleValue.prototype = new Zymonic.Field.Field();
Zymonic.Field.MultipleValue.prototype.constructor = this;

// override to get list element, or the radio buttons, or plain input for base class use
Zymonic.Field.MultipleValue.prototype.input_elements = function() {
	return this.container_div().find(":input, :input[type='radio'], :input[type='checkbox']:not(.ZymonicCheckEmpty), select");
};

// Append to form data
Zymonic.Field.MultipleValue.prototype.appendToForm = function(form_data, search) {
	var values = this.getValue();
	
	// if not an array then s
	if (!Array.isArray(values)) {
		Zymonic.log_error("MultipleValue Field "+this.ident+" does not have multiple values");
	}

	if (values.length) {
		for (var i=0; i<values.length; ++i) {
			form_data.append(this.getIdent(), values[i]);
		}
	} else {
		form_data.append(this.getIdent() + '_clear_all', 'Y');
	}

	if (search) {
		if (this.jquery('_check_empty').is(':checked')) {
			form_data.append(this.getIdent() + '_check_empty', this.jquery('_check_empty').val());
		} else {
			form_data.append(this.getIdent() + '_check_empty', '');
		}
		if (this.jquery('_match_all').is(':checked')) {
			form_data.append(this.getIdent() + '_match_all', this.jquery('_match_all').val());
		}
	}
	
	// make sure to let the super classes deal with it too
	this.appendOtherFieldsToForm(form_data, search);
};

// override to get list of selected values
Zymonic.Field.MultipleValue.prototype.getValue = function() {
	var value = Zymonic.Field.Field.prototype.getValue.call(this);
	
	// split it
	return value.split(this.separator);
};

//basic validation of multiple values
Zymonic.Field.MultipleValue.prototype.basicValidation = function(display_name, min_length, lls)
{

	if(this.noBasicValidation())
		return 'OK';
	
	this.clearErrors();
	
	// just check required
	var values = getFieldValue(this.ident);
	var required_ok = false;

	// Check if required field
	if ( !this.required || ( Array.isArray(values) && values.length > 0 ) )
	{
		required_ok = true;
	}

	if ( required_ok )
	{
		return 'OK';
	}
	else
	{
		var errors = new Array();
		var Parameters = new Object;
		Parameters.display_name = display_name;

		if (! required_ok )
		{
			errors.push(sub_ll(lls[1], Parameters))
		}

		return errors.join(" ");
	}
};

// sets extra form param values on form_data
Zymonic.Field.MultipleValue.prototype.setExtraFormParams = function(form_data) {

	// call super 
	Zymonic.Field.Field.prototype.setExtraFormParams.call(this, form_data);
	
	// if value is empty then set a clear all flag
	if ( this.getValue().length == 0 ) {
		form_data.append(this.getIdent() + '_clear_all', 'Y');
	}
};