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 show the SQL generated for the selected RDBMS for

 * one table

 *

 * @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 view_table_sql extends XMLDBAction {

    /**

     * Init method, every subclass will have its own

     */

    function init() {

        parent::init();

        // Set own custom attributes

        $this->sesskey_protected = false; // This action doesn't need sesskey protection

        // Get needed strings

        $this->loadStrings(array(

            'selectdb' => 'tool_xmldb',

            'back' => 'tool_xmldb'

        ));

    }

    /**

     * 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, $DB;

        $dbman = $DB->get_manager();

        // Do the job, setting result as needed

        // Get the dir containing the file

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

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

        // Get the correct dirs

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

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

        } else {

            return false;

        }

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

            $editeddir = $XMLDB->editeddirs[$dirpath];

            $structure = $editeddir->xml_file->getStructure();

        }

        // Get parameters

        $tableparam = required_param('table', PARAM_PATH);

        if (!$table = $structure->getTable($tableparam)) {

            $this->errormsg = 'Wrong table specified: ' . $tableparam;

            return false;

        }

        // The back to edit table button

        $b = ' <p class="centerpara buttons">';

        $b .= '<a href="index.php?action=edit_table&amp;table=' . $tableparam . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a>';

        $b .= '</p>';

        $o = $b;

        $o.= '    <table id="formelements" class="boxaligncenter" cellpadding="5">';

        $o .= '      <tr><td><textarea cols="80" rows="32" class="form-control">';

        // Get an array of statements

        if ($starr = $DB->get_manager()->generator->getCreateTableSQL($table)) {

            $starr = $dbman->generator->getEndedStatements($starr);

            $sqltext = '';

            foreach ($starr as $st) {

                $sqltext .= s($st) . "\n\n";

            }

            $sqltext = trim($sqltext);

            $o.= $sqltext;

        }

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

        $o.= '    </table>';

        $this->output = $o;

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

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

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

        }

        // Return ok if arrived here

        return $result;

    }

}