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efrain |
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Configurable Reports
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* A Moodle block for creating customizable reports
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* @package blocks
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* @author: Juan leyva <http://www.twitter.com/jleyvadelgado>
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* @date: 2009
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*/
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class component_permissions extends component_base {
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public function init() {
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$this->plugins = true;
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$this->ordering = false;
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$this->form = true;
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$this->help = true;
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}
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public function form_process_data(&$cform) {
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global $DB;
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if ($this->form) {
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$data = $cform->get_data();
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// Function cr_serialize() will add slashes.
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$components = cr_unserialize($this->config->components);
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$components['permissions']['config'] = $data;
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if (isset($components['permissions']['config']->conditionexpr)) {
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$components['permissions']['config']->conditionexpr = $this->add_missing_conditions($components['permissions']['config']->conditionexpr);
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}
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$this->config->components = cr_serialize($components);
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$DB->update_record('block_configurable_reports', $this->config);
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}
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}
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public function add_missing_conditions($cond) {
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$components = cr_unserialize($this->config->components);
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if (isset($components['permissions']['elements'])) {
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$elements = $components['permissions']['elements'];
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$count = count($elements);
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if ($count == 0 || $count == 1) {
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return '';
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}
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for ($i = $count; $i > 0; $i--) {
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if (strpos($cond, 'c'.$i) === false) {
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if ($count > 1 && $cond) {
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$cond .= " and c$i";
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} else {
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$cond .= "c$i";
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}
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}
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}
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$cond = trim($cond);
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// Deleting extra conditions.
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for ($i = $count + 1; $i <= $count + 5; $i++) {
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$cond = preg_replace('/(\bc'.$i.'\b\s+\b(and|or|not)\b\s*)/i', '', $cond);
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$cond = preg_replace('/(\s+\b(and|or|not)\b\s+\bc'.$i.'\b)/i', '', $cond);
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}
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}
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return $cond;
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}
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public function form_set_data(&$cform) {
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global $DB;
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if ($this->form) {
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$fdata = new stdclass;
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$components = cr_unserialize($this->config->components);
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$conditionsconfig = (isset($components['permissions']['config'])) ? $components['permissions']['config'] : new \stdclass;
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if (!isset($conditionsconfig->conditionexpr)) {
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$fdata->conditionexpr = '';
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$conditionsconfig->conditionexpr = '';
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}
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$conditionsconfig->conditionexpr = $this->add_missing_conditions($conditionsconfig->conditionexpr);
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$fdata->conditionexpr = $conditionsconfig->conditionexpr;
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if (empty($components['permissions'])) {
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$components['permissions'] = array();
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}
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if (!array_key_exists('config', $components['permissions'])) {
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$components['permissions']['config'] = new StdClass;
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}
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$components['permissions']['config']->conditionexpr = $fdata->conditionexpr;
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$this->config->components = cr_serialize($components);
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$DB->update_record('block_configurable_reports', $this->config);
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$cform->set_data($fdata);
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}
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}
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}
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