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<?php
/**
 * Form control creating a checkbox element for an object derived from icms_ipf_Object
 *
 * @copyright   The ImpressCMS Project http://www.impresscms.org/
 * @license     http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU General Public License (GPL)
 * @category    ICMS
 * @package     ipf
 * @subpackage  form
 * @since       1.1
 * @author      marcan <marcan@impresscms.org>
 * @version     $Id: Checkbox.php 12310 2013-09-13 21:33:58Z skenow $
 */

defined('ICMS_ROOT_PATH') or die("ImpressCMS root path not defined");

class icms_ipf_form_elements_Checkbox extends icms_form_elements_Checkbox {

    private $_delimeter = "&nbsp;";

    /**
     * Constructor
     * @param   object    $object   reference to targetobject (@link icms_ipf_Object)
     * @param   string    $key      the form name
     */
    public function __construct($object, $key) {

        $control = $object->getControl($key);
        if(isset($control['delimeter'])) {
            $this->_delimeter = $control['delimeter'];
        }

        parent::__construct($object->vars[$key]['form_caption'], $key, $object->getVar($key), $this->_delimeter);

        if (isset($control['options'])) {
            $this->addOptionArray($control['options']);
        } else {
            // let's find if the method we need to call comes from an already defined object
            if (isset($control['object'])) {
                if (method_exists($control['object'], $control['method'])) {
                    if ($option_array = $control['object']->$control['method']()) {
                        // Adding the options array to the select element
                        $this->addOptionArray($option_array);
                    }
                }
            } else {
                // finding the itemHandler; if none, let's take the itemHandler of the $object
                if (isset($control['itemHandler'])) {
                    if (!isset($control['module'])) {
                        // Creating the specified core object handler
                        $control_handler = icms::handler($control['itemHandler']);
                    } else {
                        $control_handler =& icms_getModuleHandler($control['itemHandler'], $control['module']);
                    }
                } else {
                    $control_handler =& $object->handler;
                }

                // Checking if the specified method exists
                if (method_exists($control_handler, $control['method'])) {
                    $option_array = call_user_func_array(array($control_handler, $control['method']),
                        isset($control['params']) ? $control['params'] : array());
                    if (is_array($option_array) && count($option_array) > 0) {
                        // Adding the options array to the select element
                        $this->addOptionArray($option_array);
                    }
                }
            }
        }
    }

    /**
     * prepare HTML for output
     * @author      Kazumi Ono  <onokazu@xoops.org>
     * @copyright   copyright (c) 2000-2003 XOOPS.org
     *
     * @return  string  $ret  the constructed input form element string
     */
    public function render() {
        $ret = "<div class='grouped'>";
        $ele_name = $this->getName();
        $ele_value = $this->getValue();
        $ele_options = $this->getOptions();
        $ele_extra = $this->getExtra();
        $ele_delimeter = $this->getDelimeter();
        if (count($ele_options) > 1 && substr($ele_name, -2, 2) != "[]") {
            $ele_name = $ele_name . "[]";
            $this->setName($ele_name);
        }
        foreach ($ele_options as $value => $name) {
            $ret .= "<span class='icms_checkboxoption'><input type='checkbox' name='" . $ele_name
                . "' id='" . $ele_name . "_item_" . $value . "' value='" . htmlspecialchars($value, ENT_QUOTES) . "'";
            if (count($ele_value) > 0 && in_array($value, $ele_value)) {
                $ret .= " checked='checked'";
            }
            $ret .= $ele_extra . " /><label for='" . $ele_name . "_item_" . $value . "'>" . $name . "</label></span>" . $ele_delimeter;
        }
        if (count($ele_options) > 1) {
            $ret .= "<div class='icms_checkboxoption'><input type='checkbox' id='"
                . $ele_name . "_checkemall' class='checkemall' /><label for='"
                . $ele_name . "_checkemall'>" . _CHECKALL . "</label></div>";
        }
        $ret .= "</div>";
        return $ret;
    }

    /**
     * Creates validation javascript
     * @author      Kazumi Ono  <onokazu@xoops.org>
     * @copyright   copyright (c) 2000-2003 XOOPS.org
     * @return  string    $js   the constructed javascript
     */
    public function renderValidationJS() {
        $js = "";
        $js .= "var hasSelections = false;";
        $eltname = $this->getName();
        $eltmsg = empty($eltcaption) ? sprintf(_FORM_ENTER, $eltname) : sprintf(_FORM_ENTER, $eltcaption);
        $eltmsg = str_replace('"', '\"', stripslashes($eltmsg));
        if (strpos($eltname, '[') === false) $eltname = $eltname . "[]";
        $js .=
        "for (var i = 0; i < myform['" . $eltname . "'].length; i++) {
            if (myform['" . $eltname . "'][i].checked) {
                hasSelections = true;
            }
        }
        if (hasSelections == false) {
            window.alert(\"{$eltmsg}\");
            myform['" . $eltname . "'][0].focus();
            return false;
        }\n";

        return $js;
    }
}