/**
     * Displays/updates the "DB Tracking" settings field.
     * @access public
     */
    public function tracked_tables_callback()
    {
        if ($this->is_updated('db_tracking')) {
            revisr()->git->set_config('revisr', 'db-tracking', revisr()->options['db_tracking']);
        }
        if ($db_tracking = revisr()->git->get_config('revisr', 'db-tracking')) {
            if ($db_tracking == 'custom' && $this->is_updated('tracked_tables')) {
                revisr()->git->run('config', array('--unset-all', 'revisr.tracked-tables'));
                $tables = revisr()->options['tracked_tables'];
                foreach ($tables as $table) {
                    revisr()->git->run('config', array('--add', 'revisr.tracked-tables', $table));
                }
            } elseif ($db_tracking != 'custom') {
                revisr()->git->run('config', array('--unset-all', 'revisr.tracked-tables'));
            }
        } else {
            $db_tracking = '';
        }
        ?>
		<select id="db-tracking-select" name="revisr_database_settings[db_tracking]">
			<option value="all_tables" <?php 
        selected($db_tracking, 'all_tables');
        ?>
><?php 
        _e('All Tables', 'revisr');
        ?>
</option>
			<option value="custom" <?php 
        selected($db_tracking, 'custom');
        ?>
><?php 
        _e('Let me decide...', 'revisr');
        ?>
</option>
			<option value="none" <?php 
        selected($db_tracking, 'none');
        ?>
><?php 
        _e('None', 'revisr');
        ?>
</option>
		</select>

		<?php 
        // Allows the user to select the tables they want to track.
        $db = new Revisr_DB();
        $tables = $db->get_tables();
        $sizes = $db->get_sizes();
        echo '<div id="advanced-db-tracking" style="display:none;"><br><select name="revisr_database_settings[tracked_tables][]" multiple="multiple" style="width:35em;height:250px;">';
        if (is_array($tables)) {
            foreach ($tables as $table) {
                $size = isset($sizes[$table]) ? $sizes[$table] : '';
                $table_selected = '';
                if (in_array($table, $db->get_tracked_tables())) {
                    $table_selected = ' selected';
                }
                echo "<option value='{$table}'{$table_selected}>{$table} {$size}</option>";
            }
        }
        echo '</select></div>';
    }
    /**
     * Displays/updates the "DB Tracking" settings field.
     * @access public
     */
    public function tracked_tables_callback()
    {
        if ($this->is_updated('db_tracking')) {
            $this->git->config_revisr_option('db-tracking', $this->options['db_tracking']);
        }
        $check_tracking = $this->git->run('config revisr.db-tracking');
        if (is_array($check_tracking)) {
            $db_tracking = $check_tracking[0];
            if ($db_tracking == 'custom') {
                if ($this->is_updated('tracked_tables')) {
                    $this->git->run('config --unset-all revisr.tracked-tables');
                    $tables = $this->options['tracked_tables'];
                    foreach ($tables as $table) {
                        $this->git->run("config --add revisr.tracked-tables {$table}");
                    }
                }
            } else {
                $this->git->run('config --unset-all revisr.tracked-tables');
            }
        } else {
            $db_tracking = '';
        }
        ?>
		<select id="db-tracking-select" name="revisr_database_settings[db_tracking]">
			<option value="all_tables" <?php 
        selected($db_tracking, 'all_tables');
        ?>
><?php 
        _e('All Tables', 'revisr');
        ?>
</option>
			<option value="custom" <?php 
        selected($db_tracking, 'custom');
        ?>
><?php 
        _e('Let me decide...', 'revisr');
        ?>
</option>
			<option value="none" <?php 
        selected($db_tracking, 'none');
        ?>
><?php 
        _e('None', 'revisr');
        ?>
</option>
		</select>

		<?php 
        // Allows the user to select the tables they want to track.
        $db = new Revisr_DB();
        $tables = $db->get_tables();
        echo '<div id="advanced-db-tracking"><br><select name="revisr_database_settings[tracked_tables][]" multiple="multiple" style="width:35em;height:250px;">';
        if (is_array($tables)) {
            foreach ($tables as $table) {
                $table_selected = '';
                if (in_array($table, $db->get_tracked_tables())) {
                    $table_selected = ' selected';
                }
                echo "<option value='{$table}'{$table_selected}>{$table}</option>";
            }
        }
        echo '</select></div>';
    }