usky-website/web/pa/libraries/plugins/import/README

This directory holds import plugins for phpMyAdmin. Any new plugin should
basically follow the structure presented here. Official plugins need to
have str* messages with their definition in language files, but if you build
some plugins for your use, you can directly use texts in plugin.

<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * [Name] import plugin for phpMyAdmin
 *
 * @package    PhpMyAdmin-Import
 * @subpackage [Name]
 */
if (! defined('PHPMYADMIN')) {
    exit;
}

/* Get the import interface */
require_once 'libraries/plugins/ImportPlugin.class.php';

/**
 * Handles the import for the [Name] format
 *
 * @package PhpMyAdmin-Import
 */
class Import[Name] extends ImportPlugin
{
    /**
     * optional - declare variables and descriptions
     *
     * @var type
     */
    private $_myOptionalVariable;

    /**
     * Constructor
     */
    public function __construct()
    {
        $this->setProperties();
    }

    /**
     * Sets the import plugin properties.
     * Called in the constructor.
     *
     * @return void
     */
    protected function setProperties()
    {
        // set properties
        $props = 'libraries/properties/';
        // include the main class for properties for the import plug-ins
        include_once "$props/plugins/ImportPluginProperties.class.php";
        // include the group properties classes
        include_once "$props/options/groups/OptionsPropertyRootGroup.class.php";
        include_once "$props/options/groups/OptionsPropertyMainGroup.class.php";
        // include the needed single property items
        include_once "$props/options/items/RadioPropertyItem.class.php";

        $importPluginProperties = new ImportPluginProperties();
        $importPluginProperties->setText('[name]');             // the name of your plug-in
        $importPluginProperties->setExtension('[ext]');         // extension this plug-in can handle
        $importPluginProperties->setOptionsText(__('Options'));

        // create the root group that will be the options field for
        // $importPluginProperties
        // this will be shown as "Format specific options"
        $importSpecificOptions = new OptionsPropertyRootGroup();
        $importSpecificOptions->setName("Format Specific Options");

        // general options main group
        $generalOptions = new OptionsPropertyMainGroup();
        $generalOptions->setName("general_opts");

        // optional :
        // create primary items and add them to the group
        // type - one of the classes listed in libraries/properties/options/items/
        // name - form element name
        // text - description in GUI
        // size - size of text element
        // len  - maximal size of input
        // values - possible values of the item
        $leaf = new RadioPropertyItem();
        $leaf->setName("structure_or_data");
        $leaf->setValues(
            array(
                'structure' => __('structure'),
                'data' => __('data'),
                'structure_and_data' => __('structure and data')
            )
        );
        $generalOptions->addProperty($leaf);

        // add the main group to the root group
        $importSpecificOptions->addProperty($generalOptions);

        // set the options for the import plugin property item
        $importPluginProperties->setOptions($importSpecificOptions);
        $this->properties = $importPluginProperties;
    }

    /**
     * This method is called when any PluginManager to which the observer
     * is attached calls PluginManager::notify()
     *
     * @param SplSubject $subject The PluginManager notifying the observer
     *                            of an update.
     *
     * @return void
     */
    public function update (SplSubject $subject)
    {
    }

    /**
     * Handles the whole import logic
     *
     * @return void
     */
    public function doImport()
    {
        // get globals (others are optional)
        global $error, $timeout_passed, $finished;

        $buffer = '';
        while (! ($finished && $i >= $len) && ! $error && ! $timeout_passed) {
            $data = PMA_importGetNextChunk();
            if ($data === false) {
                // subtract data we didn't handle yet and stop processing
                $offset -= strlen($buffer);
                break;
            } elseif ($data === true) {
                // Handle rest of buffer
            } else {
                // Append new data to buffer
                $buffer .= $data;
            }
            // PARSE $buffer here, post sql queries using:
            PMA_importRunQuery($sql, $verbose_sql_with_comments);
        } // End of import loop
        // Commit any possible data in buffers
        PMA_importRunQuery();
    }


    // optional:
    /* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */


    /**
     * Getter description
     *
     * @return type
     */
    private function _getMyOptionalVariable()
    {
        return $this->_myOptionalVariable;
    }

    /**
     * Setter description
     *
     * @param type $my_optional_variable description
     *
     * @return void
     */
    private function _setMyOptionalVariable($my_optional_variable)
    {
        $this->_myOptionalVariable = $my_optional_variable;
    }
}
?>