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/home/develito/www/components/com_visforms/lib/htmllayout.php

<?php
/**
 * Visforms HTMLLayout class 
 *
 * @author       Aicha Vack
 * @package      Joomla.Site
 * @subpackage   com_visforms
 * @link         http://www.vi-solutions.de 
 * @license      GNU General Public License version 2 or later; see license.txt
 * @copyright    2012 vi-solutions
 * @since        Joomla 1.6 
 */

// no direct access
defined('_JEXEC') or die('Restricted access');

abstract class VisformsHtmllayout
{
	protected $type;
	protected $fieldHtml;
	protected $field;
	protected $fieldtype;
	protected $subType;

public function __construct($type, VisformsHtml $fieldHtml, $subType) {
		$this->type = $type;
		$this->fieldHtml = $fieldHtml;
		$this->field = $fieldHtml->getField();
		$this->fieldtype = $fieldHtml->getFieldType();
		$this->subType = $subType;
		$this->control = VisformsHtmlControl::getInstance($this->fieldHtml, $this->type);
	}

public static function getInstance($type, $fieldHtml, $subType = 'horizontal') {
		if (empty($type)) {
			$type = 'visforms';
		}
		$classname = get_called_class() . ucfirst($type);
		if (!class_exists($classname)) {
			//try to register it
			JLoader::register($classname, dirname(__FILE__) . '/html/layout/' . $type . '.php');
			if (!class_exists($classname)) {
				//return a default class?
				return false;
			}
		}
		//delegate to the appropriate subclass
		return new $classname($type, $fieldHtml, $subType);
	}

abstract public function prepareHtml();

abstract protected function setFieldControlHtml();

protected function setFieldValidateArray() {
		$this->field = $this->fieldHtml->setFieldValidateArray($this->field);
		//only a view field types (at the moment the date type) have individual Validations, attach those rules
		if (method_exists($this->fieldHtml, 'setFieldCustomValidateArray')) {
			$this->field = $this->fieldHtml->setFieldCustomValidateArray($this->field);
		}
	}

protected function removeUnsupportedShowLabel() {
		if (method_exists($this->fieldHtml, 'removeUnsupportedShowLabel')) {
			$this->field = $this->fieldHtml->removeUnsupportedShowLabel($this->field);
		}
	}

protected function setFieldCustomErrorMessageArray() {
            //validation rules are stored in xml-definition-fields with name that ends on _validate_rulename (i.e. _validate_minlength).
            //each form field is represented by a fieldset in xml-definition file 
		if (isset($this->field->customerror) && $this->field->customerror != "") {
			foreach ($this->field as $name => $value) {
				$attributes = array("maxlength", "min", "max", "required");
				$types = array("email", "url", "date", "number");
				if (!is_array($value)) {
					if ($value) {
						if (strpos($name, 'customvalidation') !== false) {
							$this->field->customErrorMsgArray["customvalidation"] = $this->field->customerror;
						}
						if (strpos($name, 'validate') !== false) {
							$name = str_replace('validate_', "", $name);
							$this->field->customErrorMsgArray[$name] = $this->field->customerror;
						}
						if (strpos($name, 'attribute_') !== false) {
							$name = str_replace('attribute_', "", $name);
							if (in_array($name, $attributes)) {
								$this->field->customErrorMsgArray[$name] = $this->field->customerror;
							}
						}

$name = $this->field->typefield;
						if (in_array($name, $types)) {
							$this->field->customErrorMsgArray[$name] = $this->field->customerror;
						}
					}
				}
			}
		}
	}

protected function setErrorId() {
		$this->field->errorId = $this->fieldHtml->getErrorId($this->field);
	}

protected function setFieldAttributeArray() {
		$this->field->attributeArray = $this->fieldHtml->getFieldAttributeArray();
	}

protected function makeFieldUneditable() {
		if (isset($this->field->isForbidden) && ($this->field->isForbidden == true)) {
			// a view field types need custom care
			if (method_exists($this->fieldHtml, 'makeFieldUneditable')) {
				$this->field = $this->fieldHtml->makeFieldUneditable($this->field);
			} 
			else {
				//set a readonly attribute
				$this->field->attribute_readonly = 'readonly';
			}
		}
    }

// ToDo seems not to be used anywhere
	protected function setCustomErrorDivLayout () {
		$this->field->customErrorDivLayout = $this->fieldHtml->getCustomErrorDivLayout($this->field);
	}
}