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libraries/joomla/form/fields/rules.php
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311
libraries/joomla/form/fields/rules.php
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<?php
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/**
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* @package Joomla.Platform
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* @subpackage Form
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* Form Field class for the Joomla Platform.
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* Field for assigning permissions to groups for a given asset
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*
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* @package Joomla.Platform
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* @subpackage Form
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* @see JAccess
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* @since 11.1
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*/
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class JFormFieldRules extends JFormField
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{
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/**
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* The form field type.
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*
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* @var string
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* @since 11.1
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*/
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public $type = 'Rules';
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/**
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* Method to get the field input markup for Access Control Lists.
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* Optionally can be associated with a specific component and section.
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*
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* TODO: Add access check.
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*
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* @return string The field input markup.
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*
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* @since 11.1
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*/
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protected function getInput()
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{
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JHtml::_('bootstrap.tooltip');
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// Initialise some field attributes.
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$section = $this->element['section'] ? (string) $this->element['section'] : '';
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$component = $this->element['component'] ? (string) $this->element['component'] : '';
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$assetField = $this->element['asset_field'] ? (string) $this->element['asset_field'] : 'asset_id';
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// Get the actions for the asset.
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$actions = JAccess::getActions($component, $section);
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// Iterate over the children and add to the actions.
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foreach ($this->element->children() as $el)
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{
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if ($el->getName() == 'action')
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{
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$actions[] = (object) array('name' => (string) $el['name'], 'title' => (string) $el['title'],
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'description' => (string) $el['description']);
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}
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}
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// Get the explicit rules for this asset.
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if ($section == 'component')
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{
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// Need to find the asset id by the name of the component.
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$db = JFactory::getDbo();
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$query = $db->getQuery(true)
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->select($db->quoteName('id'))
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->from($db->quoteName('#__assets'))
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->where($db->quoteName('name') . ' = ' . $db->quote($component));
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$db->setQuery($query);
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$assetId = (int) $db->loadResult();
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}
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else
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{
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// Find the asset id of the content.
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// Note that for global configuration, com_config injects asset_id = 1 into the form.
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$assetId = $this->form->getValue($assetField);
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}
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// Use the compact form for the content rules (deprecated).
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/* @todo remove code:
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if (!empty($component) && $section != 'component') {
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return JHtml::_('rules.assetFormWidget', $actions, $assetId, $assetId ? null : $component, $this->name, $this->id);
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}
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*/
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// Full width format.
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// Get the rules for just this asset (non-recursive).
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$assetRules = JAccess::getAssetRules($assetId);
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// Get the available user groups.
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$groups = $this->getUserGroups();
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// Prepare output
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$html = array();
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// Description
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$html[] = '<p class="rule-desc">' . JText::_('JLIB_RULES_SETTINGS_DESC') . '</p>';
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// Begin tabs
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$html[] = '<div id="permissions-sliders" class="tabbable tabs-left">';
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// Building tab nav
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$html[] = '<ul class="nav nav-tabs">';
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foreach ($groups as $group)
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{
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// Initial Active Tab
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$active = "";
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if ($group->value == 1)
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{
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$active = "active";
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}
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$html[] = '<li class="' . $active . '">';
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$html[] = '<a href="#permission-' . $group->value . '" data-toggle="tab">';
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$html[] = str_repeat('<span class="level">–</span> ', $curLevel = $group->level) . $group->text;
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$html[] = '</a>';
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$html[] = '</li>';
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}
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$html[] = '</ul>';
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$html[] = '<div class="tab-content">';
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// Start a row for each user group.
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foreach ($groups as $group)
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{
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// Initial Active Pane
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$active = "";
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if ($group->value == 1)
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{
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$active = " active";
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}
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$html[] = '<div class="tab-pane' . $active . '" id="permission-' . $group->value . '">';
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$html[] = '<table class="table table-striped">';
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$html[] = '<thead>';
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$html[] = '<tr>';
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$html[] = '<th class="actions" id="actions-th' . $group->value . '">';
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$html[] = '<span class="acl-action">' . JText::_('JLIB_RULES_ACTION') . '</span>';
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$html[] = '</th>';
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$html[] = '<th class="settings" id="settings-th' . $group->value . '">';
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$html[] = '<span class="acl-action">' . JText::_('JLIB_RULES_SELECT_SETTING') . '</span>';
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$html[] = '</th>';
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// The calculated setting is not shown for the root group of global configuration.
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$canCalculateSettings = ($group->parent_id || !empty($component));
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if ($canCalculateSettings)
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{
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$html[] = '<th id="aclactionth' . $group->value . '">';
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$html[] = '<span class="acl-action">' . JText::_('JLIB_RULES_CALCULATED_SETTING') . '</span>';
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$html[] = '</th>';
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}
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$html[] = '</tr>';
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$html[] = '</thead>';
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$html[] = '<tbody>';
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foreach ($actions as $action)
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{
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$html[] = '<tr>';
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$html[] = '<td headers="actions-th' . $group->value . '">';
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$html[] = '<label for="' . $this->id . '_' . $action->name . '_' . $group->value . '" class="hasTooltip" title="'
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. htmlspecialchars(JText::_($action->title) . ' ' . JText::_($action->description), ENT_COMPAT, 'UTF-8') . '">';
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$html[] = JText::_($action->title);
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$html[] = '</label>';
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$html[] = '</td>';
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$html[] = '<td headers="settings-th' . $group->value . '">';
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$html[] = '<select class="input-small" name="' . $this->name . '[' . $action->name . '][' . $group->value . ']" id="' . $this->id . '_' . $action->name
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. '_' . $group->value . '" title="'
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. JText::sprintf('JLIB_RULES_SELECT_ALLOW_DENY_GROUP', JText::_($action->title), trim($group->text)) . '">';
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$inheritedRule = JAccess::checkGroup($group->value, $action->name, $assetId);
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// Get the actual setting for the action for this group.
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$assetRule = $assetRules->allow($action->name, $group->value);
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// Build the dropdowns for the permissions sliders
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// The parent group has "Not Set", all children can rightly "Inherit" from that.
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$html[] = '<option value=""' . ($assetRule === null ? ' selected="selected"' : '') . '>'
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. JText::_(empty($group->parent_id) && empty($component) ? 'JLIB_RULES_NOT_SET' : 'JLIB_RULES_INHERITED') . '</option>';
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$html[] = '<option value="1"' . ($assetRule === true ? ' selected="selected"' : '') . '>' . JText::_('JLIB_RULES_ALLOWED')
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. '</option>';
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$html[] = '<option value="0"' . ($assetRule === false ? ' selected="selected"' : '') . '>' . JText::_('JLIB_RULES_DENIED')
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. '</option>';
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$html[] = '</select>  ';
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// If this asset's rule is allowed, but the inherited rule is deny, we have a conflict.
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if (($assetRule === true) && ($inheritedRule === false))
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{
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$html[] = JText::_('JLIB_RULES_CONFLICT');
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}
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$html[] = '</td>';
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// Build the Calculated Settings column.
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// The inherited settings column is not displayed for the root group in global configuration.
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if ($canCalculateSettings)
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{
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$html[] = '<td headers="aclactionth' . $group->value . '">';
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// This is where we show the current effective settings considering currrent group, path and cascade.
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// Check whether this is a component or global. Change the text slightly.
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if (JAccess::checkGroup($group->value, 'core.admin', $assetId) !== true)
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{
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if ($inheritedRule === null)
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{
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$html[] = '<span class="label label-important">' . JText::_('JLIB_RULES_NOT_ALLOWED') . '</span>';
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}
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elseif ($inheritedRule === true)
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{
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$html[] = '<span class="label label-success">' . JText::_('JLIB_RULES_ALLOWED') . '</span>';
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}
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elseif ($inheritedRule === false)
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{
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if ($assetRule === false)
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{
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$html[] = '<span class="label label-important">' . JText::_('JLIB_RULES_NOT_ALLOWED') . '</span>';
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}
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else
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{
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$html[] = '<span class="label"><i class="icon-lock icon-white"></i> ' . JText::_('JLIB_RULES_NOT_ALLOWED_LOCKED')
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. '</span>';
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}
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}
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}
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elseif (!empty($component))
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{
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$html[] = '<span class="label label-success"><i class="icon-lock icon-white"></i> ' . JText::_('JLIB_RULES_ALLOWED_ADMIN')
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. '</span>';
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}
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else
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{
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// Special handling for groups that have global admin because they can't be denied.
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// The admin rights can be changed.
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if ($action->name === 'core.admin')
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{
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$html[] = '<span class="label label-success">' . JText::_('JLIB_RULES_ALLOWED') . '</span>';
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}
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elseif ($inheritedRule === false)
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{
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// Other actions cannot be changed.
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$html[] = '<span class="label label-important"><i class="icon-lock icon-white"></i> '
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. JText::_('JLIB_RULES_NOT_ALLOWED_ADMIN_CONFLICT') . '</span>';
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}
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else
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{
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$html[] = '<span class="label label-success"><i class="icon-lock icon-white"></i> ' . JText::_('JLIB_RULES_ALLOWED_ADMIN')
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. '</span>';
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}
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}
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$html[] = '</td>';
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}
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$html[] = '</tr>';
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}
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$html[] = '</tbody>';
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$html[] = '</table></div>';
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}
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$html[] = '</div></div>';
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$html[] = '<div class="alert">';
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if ($section == 'component' || $section == null)
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{
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$html[] = JText::_('JLIB_RULES_SETTING_NOTES');
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}
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else
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{
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$html[] = JText::_('JLIB_RULES_SETTING_NOTES_ITEM');
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}
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$html[] = '</div>';
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return implode("\n", $html);
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}
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/**
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* Get a list of the user groups.
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*
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* @return array
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*
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* @since 11.1
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*/
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protected function getUserGroups()
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{
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$db = JFactory::getDbo();
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$query = $db->getQuery(true)
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->select('a.id AS value, a.title AS text, COUNT(DISTINCT b.id) AS level, a.parent_id')
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->from('#__usergroups AS a')
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->join('LEFT', $db->quoteName('#__usergroups') . ' AS b ON a.lft > b.lft AND a.rgt < b.rgt')
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->group('a.id, a.title, a.lft, a.rgt, a.parent_id')
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->order('a.lft ASC');
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$db->setQuery($query);
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$options = $db->loadObjectList();
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return $options;
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}
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}
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