GroupFormCheckbox.php

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<?php
/*
 You may not change or alter any portion of this comment or credits
 of supporting developers from this source code or any supporting source code
 which is considered copyrighted (c) material of the original comment or credit authors.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

namespace Xoops\Form;

class GroupFormCheckbox extends Element
{
     protected $value = array();

    private $groupId;

    private $optionTree = array();

    public function __construct($caption, $name, $groupId, $values = null)
    {
        $this->setCaption($caption);
        $this->setName($name);
        if (isset($values)) {
            $this->setValue($values);
        }
        $this->groupId = $groupId;
    }

    public function setOptionTree(&$optionTree)
    {
        $this->optionTree = $optionTree;
    }

    public function render()
    {
        $ele_name = $this->getName();
        $ret = '<table class="outer"><tr><td class="odd"><table><tr>';
        $cols = 1;

        foreach ($this->optionTree[0]['children'] as $topitem) {
            if ($cols > 4) {
                $ret .= '</tr><tr>';
                $cols = 1;
            }
            $tree = '<td valign="top">';
            $prefix = '';
            $this->renderOptionTree($tree, $this->optionTree[$topitem], $prefix);
            $ret .= $tree . '</td>';
            ++$cols;
        }
        $ret .= '</tr></table></td><td class="even" valign="top">';
        $option_ids = array();
        foreach (array_keys($this->optionTree) as $id) {
            if (!empty($id)) {
                $option_ids[] = "'" . $ele_name . '[groups][' . $this->groupId . '][' . $id . ']' . "'";
            }
        }
        $checkallbtn_id = $ele_name . '[checkallbtn][' . $this->groupId . ']';
        $option_ids_str = implode(', ', $option_ids);
        $ret .= \XoopsLocale::ALL . " <input id=\"" . $checkallbtn_id . "\" type=\"checkbox\" value=\"\" onclick=\"var optionids = new Array(" . $option_ids_str . "); xoopsCheckAllElements(optionids, '" . $checkallbtn_id . "');\" />";
        $ret .= '</td></tr></table>';
        return $ret;
    }

    private function renderOptionTree(&$tree, $option, $prefix, $parentIds = array())
    {
        $ele_name = $this->getName();
        $tree .= $prefix . "<input type=\"checkbox\" name=\"" . $ele_name . "[groups][" . $this->groupId . "][" . $option['id'] . "]\" id=\"" . $ele_name . "[groups][" . $this->groupId . "][" . $option['id'] . "]\" onclick=\"";
        // If there are parent elements, add javascript that will
        // make them selecteded when this element is checked to make
        // sure permissions to parent items are added as well.
        foreach ($parentIds as $pid) {
            $parent_ele = $ele_name . '[groups][' . $this->groupId . '][' . $pid . ']';
            $tree .= "var ele = xoopsGetElementById('" . $parent_ele . "'); if(ele.checked != true) {ele.checked = this.checked;}";
        }
        // If there are child elements, add javascript that will
        // make them unchecked when this element is unchecked to make
        // sure permissions to child items are not added when there
        // is no permission to this item.
        foreach ($option['allchild'] as $cid) {
            $child_ele = $ele_name . '[groups][' . $this->groupId . '][' . $cid . ']';
            $tree .= "var ele = xoopsGetElementById('" . $child_ele . "'); if(this.checked != true) {ele.checked = false;}";
        }
        $tree .= '" value="1"';
        if (in_array($option['id'], $this->value)) {
            $tree .= ' checked="checked"';
        }
        $tree .= " />" . $option['name'] . "<input type=\"hidden\" name=\"" . $ele_name . "[parents][" . $option['id'] . "]\" value=\"" . implode(':', $parentIds) . "\" /><input type=\"hidden\" name=\"" . $ele_name . "[itemname][" . $option['id'] . "]\" value=\"" . htmlspecialchars($option['name']) . "\" /><br />\n";
        if (isset($option['children'])) {
            foreach ($option['children'] as $child) {
                array_push($parentIds, $option['id']);
                $this->renderOptionTree($tree, $this->optionTree[$child], $prefix . '&nbsp;-', $parentIds);
            }
        }
    }
}