SmartForm.php

<?php
class Form{
	private $forms 		= array();
	private $element	= array();
	private $attributes 	= array();
	public $id,$name,$method,$action;
	public function Form($id = '', $name = '', $method = 'post', $action = ''){
		$this->id 		= $id;
		$this->name		= $name;
		$this->method	= $method;
		$this->action	= $action;
		//<fieldset><legend>jjjj</legend></fieldset>
	}
	public function addField($label, $type, $name, $value){
		$this->forms[] = array('label' => $label,'type' => $type, 'name' => $name, 'value' => $value);
	}
	public function createElement(){
		
	}
	public function addElement(){
		
	}
	public function addHidden($name, $value){
		$this->forms[] = array('type' => 'hidden', 'name' => $name, 'value' => $value);
	}
	public function addTextArea($label,$name, $value){
		$this->forms[] = array('label' => $label,'type' => 'textarea', 'name' => $name, 'value' => $value);
	}
	public function addCheckBox($label,$name, $value, $checked = false){
		$this->forms[] = array('label' => $label,'type' => 'checkbox', 'name' => $name, 'value' => $value, 'checked' => $checked);
	}
	public function addRadio($label,$name, $value, $checked = false){
		$this->forms[] = array('label' => $label,'type' => 'radio', 'name' => $name, 'value' => $value, 'checked' => $checked);
	}
	public function addSelect($label,$name, $options){
		$this->forms[] = array('label' => $label,'type' => 'select', 'name' => $name, 'options' => $options);
	}
	public function addImage($label,$name, $src, $alt = '', $align = 'left'){
		$this->forms[] = array('label' => $label,'type' => 'image', 'name' => $name, 'src' => $src, 'alt' => $alt);
	}
	public function addFile($label,$name, $src = ''){
		$this->forms[] = array('label' => $label,'type' => 'file', 'name' => $name, 'src' => $src, 'alt' => $alt);
	}
	public function addButton($type = 'button', $name, $value){
		$this->forms[] = array('type' => $type, 'name' => $name, 'value' => $value);
	}
	public function render(){
		$fields = array();
		$fields[] = '<form id="'.$this->id.'" name="'.$this->name.'" method="'.$this->method.'" action="'.$this->action.'">';
		foreach($this->forms as $type => $element){
			$field = '';
			if($element['label']){
				$field = '<label for="'.$element['name'].'">'.$element['label'].'</label>';
			}
			switch($element['type']){
				case 'hidden':
					$field = '<input type="'.$element['type'].'" name="'.$element['name'].'" value="'.$element['value'].'"/>';
					break;
				case 'textarea':
					$field .= '<textarea name="'.$element['name'].'">'.$element['value'].'</textarea>';
					break;
				case 'radio':
				case 'checkbox':
					if($element['checked']){
						$checked = 'checked="checked"';
					}else{
						$checked = '';
					}
					$field .= '<input name="'.$element['name'].'" type="'.$element['type'].'" id="'.$element['name'].'" value="'.$element['value'].'" '.$checked.' />';
					break;
				case 'select':
					$field .= '<select name="'.$element['name'].'" id="'.$element['name'].'">';
		    		foreach ($element['options'] as $option){
		    			$field .= '<option value="'.$option[1].'" '.($option[2]?'selected="selected"':'').'>'.$option[0].'</option>';
		    		}
    				$field .= '</select>';
					break;
				case 'image':
					$field .= '<input name="'.$element['name'].'" type="'.$element['type'].'" id="'.$element['name'].'" src="'.$element['src'].'" alt="'.$element['alt'].'" align="'.$element['align'].'" />';
					break;
				default:
					$field .= '<input type="'.$element['type'].'" name="'.$element['name'].'" value="'.$element['value'].'"/>';
			}
			$fields[] = $field;
		}
		$fields[] = '</form>';

		return implode("\r\n",$fields);
	}
	public function display(){
		print($this->render());
	}
	

};

final class SmartForm{
        private $forms          = array();
        private $elements       = array();
        private $attributes     = array();
	function __construct($id, $name = null, $methed = null) {
		$this->elements = array('form' => array());
                $this->attributes = array('id' => $id, 'name' => $name?$name:$id);
   	}

	function __destruct() {

   	}
	public function attr($key, $value){
	}
	public function select($id, $name = null){
		$this->elements = array('select' => array());
		$this->attributes = array('id' => $id, 'name' => $name?$name:$id);
		return $this;
	}
	public function render(){
		$tag = key($this->elements);
		foreach ($this->attributes as $key=>$value){
			$attr .= $key . '=' . $value . ' ';
		}
		$html = '<select ' . $attr . '>';
		foreach($this->elements['select'] as $k=>$v){
			$html .= '<option value='.$v.'>'.$k.'</option>';
		}
		$html .='</select>';
		echo($html);
	}
	public function option($key, $value){
		$this->elements['select'][] = array($key, $value);
		return $this;	
	}

}
$form = new Form('test','test','get');
//$form->createElement();
//$form->addElement('Label','text', 'chen', 'chen');
$form->addField('Label','text', 'chen', 'chen');
$form->addTextArea('Notes','text', 'sfasfasfasfafchen');
$form->addCheckBox('Linux','os','T');
$form->addCheckBox('Freebsd','os','F',true);
$form->addRadio('Boy','sex','T');
$form->addRadio('Girl','sex','F',true);
$form->addSelect('Language','lang', array(array('CN','cn',false),array('EN','cn',true),array('HK','cn',false)));
$form->addImage('chen','ok','chen.jpg','OK');
$form->addFile('file','file');
$form->addButton('reset','ss','Reset');
$form->addButton('submit','ss','Submit');
$form->addButton('button','ok','Hello world');
$form->addHidden('user_id', '10');
//$form->display();
//$form->render();
$form = new SmartForm();
$form->select('city')->option('url','neo.com')->render();

?>