formgen.class.php

<?php

/* ######################################################################

  IML DEPLOYMENT

  class formgen - (copied and improved from simap prototype project)
  It generates Form elements. This class does what I need it is not
  feature complete.

  ---------------------------------------------------------------------
  2013-11-08  Axel <axel.hahn@iml.unibe.ch>
  ###################################################################### */

class formgen {

    var $aForm = array();
    var $sRequired = ' <span title="Eingabe ist erforderlich"><span style="color:#c00;">*</span></span>';

    /**
     * constructor
     * @param array $aNewFormData
     * @return boolean
     */
    public function __construct($aNewFormData = array()) {
        if (count($aNewFormData)){
            return $this->setFormarray($aNewFormData);
        }
        return true;
    }

    /**
     * set a new array
     * @param array $aNewFormData
     * @return boolean
     */
    public function setFormarray($aNewFormData = array()) {
        if (!is_array($aNewFormData) || !count($aNewFormData)) {
            return false;
        }
        return $this->aForm = $aNewFormData;
    }

    /**
     * get html code for a completely rendered form
     * @param string $sFormId
     * @return string html output
     */
    public function renderHtml($sFormId) {
        $sReturn = false;
        if (!array_key_exists($sFormId, $this->aForm)) {
            die("ERROR: " . __CLASS__ . ":" . __FUNCTION__ . " - form id " . $sFormId . " does not exist.");
        }
        // FORM tag
        $sReturn.='<form ';
        if (array_key_exists("meta", $this->aForm[$sFormId])) {
            foreach (array("method", "action", "target", "accept-charset", "class", "id", "name") as $sAttr) {
                if (array_key_exists($sAttr, $this->aForm[$sFormId]["meta"])) {
                    $sReturn.=$sAttr . '="' . $this->aForm[$sFormId]["meta"][$sAttr] . '" ';
                }
            }
        }
        $sReturn.='>';
        
        // ... and all its elements
        foreach ($this->aForm[$sFormId]["form"] as $elementKey => $elementData) {
            $sReturn.=$this->renderHtmlElement($elementKey, $elementData);
        }
        $sReturn.='</form>';