<?php

class FormositeBuilder
{

	private $formosite;
	private $id;
	private $activePage;
	private $freezed;
	
	public $title;
	public $name;
	public $linkedForm;


	/* Constructeur*/
	public function __construct($name, $title='', $action='self')
	{
		$title = ($title == '') ? $name : $title;
		$this->formosite = new Formosite($name, $title, $action);
		$this->id = $this->formosite->id;
		$this->name = $this->formosite->name;			
		$this->title = $this->formosite->title;	
		$this->linkedForm = $this->formosite->linkedForm;	
		$this->activePage = 1;
		$this->freezed = false;
	}
	
	/* Ajout d'une page */
	public function addPage($title='')
	{
		$this->formosite->add(new Page($title));
		$this->setActivePage($this->getPageCount());
		return true;
	}
	
	/* Ajout d'un champ */
	public function addField($fieldLabel, $fieldType, $fieldName, $fieldValue = '', $fieldClass = '', $fieldInfo = '', $fieldValidIf = '', $fieldOkValues = '', $fieldRequired = false, $fieldDisabled = false, $toBeSaved = true, $fieldInfobulle = '', $pageId='')
	{
		if ($pageId == ''){$pageId = 'Page#'.$this->activePage;}		
		$page = new ComponentSearchVisitor('Page', array('id' => $pageId));					
		$this->formosite->accept($page);			
		if ($page->unique()) {
			$parentPage = $page->matches(0);
			$parentPage->add(new Field($fieldLabel, $fieldType, $fieldName, $fieldValue, $fieldClass, $fieldInfo, $fieldValidIf, $fieldOkValues, $fieldRequired, $fieldDisabled, $toBeSaved, $fieldInfobulle));
			return true;
		} else {
			return false;
		}
	}
	
	/* Retourne une valeur du formulaire */
	public function getValue($fieldName)
	{
		$field = new ComponentSearchVisitor('Field', array('name' => $fieldName));					
		$this->formosite->accept($field);
		if ($field->unique()) {
			$searchedField = $field->matches(0);
			return $searchedField->value;
		} else {
			return false;
		}
	}
	
	/* Retourne un attribut d'un champ */
	public function getAttr($fieldName, $attr)
	{
		$field = new ComponentSearchVisitor('Field', array('name' => $fieldName));					
		$this->formosite->accept($field);
		if ($field->unique()) {
			$searchedField = $field->matches(0);
			return $searchedField->$attr;
		} else {
			return false;
		}
	}
	
	/* Retourne le titre d'une page */
	public function getPageTitle($pageId = '')
	{
		if ($pageId == '') {$pageId = $this->getActivePage();}
		$page = new ComponentSearchVisitor('Page', array('id' => 'Page#'.$pageId));					
		$this->formosite->accept($page);
		if ($page->unique()) {
			$searchedPage = $page->matches(0);
			return $searchedPage->title;
		} else {
			return false;
		}
	}
	
	/* Set active page */
	public function setActivePage($numPage)
	{
		if (is_int($numPage)) {
			$this->activePage = $numPage;			
		}
	}
	
	/* Set next page */
	public function setNextPage()
	{
		if ($this->activePage < $this->getPageCount()) {
			$this->activePage++;
			return true;
		} else {
			return false;
		}
	}
	
	/* Set linked form */
	public function setLinkedForm($formName)
	{
		if ($formName != '') {
			$this->formosite->linkedForm = $formName;
			$this->linkedForm = $this->formosite->linkedForm;	
			return true;
		} else {
			return false;
		}
	}	
	
	/* Get active page */
	public function getActivePage()
	{
		return $this->activePage;			
	}
	
	/* Retourne le nombre de pages */
	public function getPageCount()
	{
		return $this->formosite->pageCount;
	}
	
	/* Mise à jour */
	public function update($updateValues='', $pageNum='')
	{
		if ($updateValues == ''){$updateValues = $_POST;};
		$this->formosite->accept(new UpdateVisitor($updateValues, $pageNum));
		return true;
	}
	
	/* Validation */
	public function validate($pageId = '', $autoIncr = false)
	{
		if ($pageId == ''){$pageId = $this->activePage;}
		$valid = new ValidateVisitor($pageId);
		$this->formosite->accept($valid);
		if ($valid->isValid()) {
			if ($autoIncr == true){$this->setNextPage();}
			return true;
		} else {
			return false;
		}
	}
	
	/* Reset de toutes les valeurs */
	public function reset()
	{
		$this->formosite->accept(new ResetVisitor());
		return true;
	}
	
	/* Initialisation */
	public function init()
	{
		$this->activePage = 1;
		return true;
	}	
	
	/* Freeze */
	public function freeze()
	{
		$this->freezed = true;
	}	
	
	/* Affichage */
	public function display()
	{
		if ($this->freezed == false) {
			$dis = new DisplayVisitor($this->activePage);
			$this->formosite->accept($dis);
			return $dis->show();
		}
	}
	
	/* Javascript du Body */
	public function getBodyJs()
	{
		if ($this->freezed == false) {
			$dis = new DisplayVisitor($this->activePage);
			$this->formosite->accept($dis);
			return $dis->getBodyJs();
		}
	}
	
	/* Sauvegarde XML */
	public function save($file)
	{
		$xml = new XMLVisitor();
		$this->formosite->accept($xml);
		if ($xml->toFile($file)) {return true;}
	}
	
	/* Chargement depuis un fichier XML */
	public function load($file)
	{
		if (is_file($file)) {
			$xml = simplexml_load_file($file);
			$this->formosite->setTitle((string) $xml['title']);
			$this->formosite->setName((string) $xml['name']);
			$this->formosite->linkedForm = (string) $xml['linkedForm'];
			foreach ($xml->Page as $page) {
				$this->addPage((string) $page['title']);
				foreach ($page->Field as $field) {
					$this->addField((string) $field['label'],(string) $field['type'],(string) $field['name'],(string) $field['value'],(string) $field['class'],(string) $field['info'],(string) $field['validIf'],(string) $field['okValues'],(bool) trim($field['required']),(bool) trim($field['disabled']),(bool) trim($field['toBeSaved']), (string) $field['infobulle']);
				}
			}
			unset($xml);
			$this->id = $this->formosite->id;
			$this->name = $this->formosite->name;			
			$this->title = $this->formosite->title;	
			$this->linkedForm = $this->formosite->linkedForm;	
			$this->init();
			return true;
		} else {
			return false;
		}
		
	}
	
	/* Arbre XML */
	public function toTree()
	{
		$tree = new TreeviewVisitor();
		$this->formosite->accept($tree);
		return $tree->show();
	}
	
	/* Génère du SQL à partir des champs du formulaire */
	public function toSQL()
	{
		$sql = new SqlGenVisitor();
		$this->formosite->accept($sql);
		return $sql->getSQL();
	}	
	
	/* Retourne le nom des champs à insérer en BDD */
	public function getFieldsToInsert()
	{
		$fields = new ComponentSearchVisitor('Field', array('toBeSaved' => true));					
		$this->formosite->accept($fields);
		$insertFields = $fields->matches();
		return $insertFields;
	}

}
?>