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编辑当前文件:/home2/sdektunc/.trash/cepali/admin/tool/xmldb/actions/view_table_sql/view_table_sql.class.php

<?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&table=' . $tableparam . '&dir=' . urlencode(str_replace($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;
    }
}