Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle 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.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * @package    tool_xmldb

 * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

/**

 * This class will delete completely one XML file

 *

 * @package    tool_xmldb

 * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class delete_xml_file extends XMLDBAction {

    /**

     * Init method, every subclass will have its own

     */

    function init() {

        parent::init();

        // Set own custom attributes

        // Get needed strings

        $this->loadStrings(array(

            'confirmdeletexmlfile' => 'tool_xmldb',

            'yes' => '',

            'no' => ''

        ));

    }

    /**

     * Invoke method, every class will have its own

     * returns true/false on completion, setting both

     * errormsg and output as necessary

     */

    function invoke() {

        parent::invoke();

        $result = true;

        // Set own core attributes

        $this->does_generate = ACTION_GENERATE_HTML;

        // These are always here

        global $CFG, $XMLDB;

        // Do the job, setting result as needed

        // Get the dir containing the file

        $dirpath = required_param('dir', PARAM_CLEAN);

        $dirpath = $CFG->dirroot . $dirpath;

        $confirmed = optional_param('confirmed', false, PARAM_BOOL);

        // If  not confirmed, show confirmation box

        if (!$confirmed) {

            $o = '<table width="60" class="generaltable" border="0" cellpadding="5" cellspacing="0" id="notice">';

            $o.= '  <tr><td class="generalboxcontent">';

            $o.= '    <p class="centerpara">' . $this->str['confirmdeletexmlfile'] . '<br /><br />' . $dirpath . '/install.php</p>';

            $o.= '    <table class="boxaligncenter" cellpadding="20"><tr><td>';

            $o.= '      <div class="singlebutton">';

            $o.= '        <form action="index.php?action=delete_xml_file&amp;sesskey=' . sesskey() . '&amp;confirmed=yes&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&amp;postaction=main_view#lastused" method="post"><fieldset class="invisiblefieldset">';

            $o.= '          <input type="submit" value="'. $this->str['yes'] .'" /></fieldset></form></div>';

            $o.= '      </td><td>';

            $o.= '      <div class="singlebutton">';

            $o.= '        <form action="index.php?action=main_view#lastused" method="post"><fieldset class="invisiblefieldset">';

            $o.= '          <input type="submit" value="'. $this->str['no'] .'" /></fieldset></form></div>';

            $o.= '      </td></tr>';

            $o.= '    </table>';

            $o.= '  </td></tr>';

            $o.= '</table>';

            $this->output = $o;

        } else {

            // Get the original dir and delete the xml file

            if (!empty($XMLDB->dbdirs)) {

                if (isset($XMLDB->dbdirs[$dirpath])) {

                    $dbdir = $XMLDB->dbdirs[$dirpath];

                    if ($dbdir) {

                        @unlink($dirpath . '/install.xml');

                    }

                }

            }

        }

        // Launch postaction if exists (leave this here!)

        if ($this->getPostAction() && $result) {

            return $this->launch($this->getPostAction());

        }

        // Return ok if arrived here

        return $result;

    }

}