$str = '';

if($isFile) {

switch($hash) {

case 'SHA1' :

$str = sha1_file($string);

break;

case 'MD5' :

default :

$str = md5_file($string);

break;

}

}

else {

switch($hash) {

case 'SHA1' :

$str = sha1($string);

break;

case 'MD5' :

default :

$str = md5($string);

break;

}

}

return $str;

private $menu, $hash_label, $selected_file, $hash_label_default;

// Create the main window

function __construct($parent = null) {

parent::__construct();

$this->selected_file = "";

$this->hash_label_default = "Open a file (Ctrl+O) OR Type a sentence (Ctrl+T)";

$this->set_size_request(400, 60);

$this->connect_simple('destroy', array('gtk', 'main_quit'));

$this->set_title(__CLASS__);

$this->set_position(Gtk::WIN_POS_CENTER);

$this->add($vbox = new GtkVBox());

$accel_group = new GtkAccelGroup();

$this->add_accel_group($accel_group);

$menu_definition = array('_File' => array('_Open|O', '_Type|T', '<hr>', 'E_xit'),'_Help' => array('_About|H'));

// define menu definition

$this->menu = new Menu($vbox, $menu_definition, $accel_group);

// display title

$button = new GtkButton('_Get Hash');

$button->connect('clicked', array($this, 'calculate'));

$this->hash_label = new GtkLabel($this->hash_label_default);

$vbox->pack_start($hbox = new GtkHBox());

$hbox->pack_start($this->hash_label);

$hbox->pack_start($button, false, false, 0);

$this->show_all();

}

// Update the label to selected file.

function file_choosen($text) {

$this->selected_file = $text;

$this->hash_label->set_text($text);

}

// Event handlers for the two buttons

function calculate($button) {

if($this->selected_file == "") {

$this->on_no_input($button);

return false;

}

$isFile = file_exists($this->selected_file);

$md5 = calculate_hash($this->selected_file, 'MD5', $isFile);

$sha1 = calculate_hash($this->selected_file, 'SHA1', $isFile);

if($isFile) {

$result = 'Hash values of given file:

MD5 : '.$md5.'

SHA1 : '.$sha1;

}

else {

$result = 'Hash values of given string:

MD5 : '.$md5.'

SHA1 : '.$sha1;

}

$this->display_hash($result);

return true;

}

function enter_text() {

$dialog = new GtkDialog('Enter text', $this, 0, array( Gtk::STOCK_OK, Gtk::RESPONSE_OK, Gtk::STOCK_CANCEL, Gtk::RESPONSE_CANCEL));

$hbox = new GtkHBox(false);

$dialog->vbox->pack_start($hbox, false, false, 0);

$label = new GtkLabel('String :');

$entry = new GtkEntry();

$hbox->pack_start($label);

$hbox->pack_start($entry);

$dialog->show_all();

$response = $dialog->run();

if ($response == Gtk::RESPONSE_OK) {

$this->hash_label->set_text($entry->get_text());

$this->selected_file=$entry->get_text();

}

$dialog->destroy();

}

function on_no_input() {

$dialog = new GtkMessageDialog($this, Gtk::DIALOG_DESTROY_WITH_PARENT,

Gtk::MESSAGE_INFO, Gtk::BUTTONS_OK, 'No input given!!

To open a file (Ctrl+O) OR to type in a sentence (Ctrl+T)');

$dialog->run();

$dialog->destroy();

}

function display_hash($result) {

$dialog = new GtkMessageDialog($this, Gtk::DIALOG_DESTROY_WITH_PARENT,

Gtk::MESSAGE_INFO, Gtk::BUTTONS_OK, $result);

$dialog->run();

$dialog->destroy();

}

function about_dialog() {

$message = '

HashGen v0.1

1. To select a file click Open.

2. To enter a string click Type.

3. Click Hash to get the hashes.

Copyright 2010. Nayan Shah (nayanmange@gmail.com) ';

$dialog = new GtkMessageDialog($this, Gtk::DIALOG_DESTROY_WITH_PARENT,

Gtk::MESSAGE_INFO, Gtk::BUTTONS_OK, $message);

$dialog->run();

$dialog->destroy();

}

var $prev_keyval = 0;

var $prev_state = 0;

var $prev_keypress = '';

// let user choose a file with a file chooser dialog

public static function _Open() { // note 1

global $window;

$dialog = new GtkFileChooserDialog("File Open", null,

Gtk::FILE_CHOOSER_ACTION_OPEN,

array(Gtk::STOCK_OK, Gtk::RESPONSE_OK, Gtk::STOCK_CANCEL, Gtk::RESPONSE_CANCEL), null); // note 2

$dialog->show_all();

if ($dialog->run() == Gtk::RESPONSE_OK) {

$selected_file = $dialog->get_filename(); // note 3

echo '';

$window->file_choosen($selected_file);

}

$dialog->destroy();

}

public static function _Type() {

global $window;

$window->enter_text();

}

public static function _About() {

global $window;

$window->about_dialog();

}

function Menu($vbox, $menu_definition, $accel_group) {

$this->menu_definition = $menu_definition;

$menubar = new GtkMenuBar();

$vbox->pack_start($menubar, 0, 0);

foreach($menu_definition as $toplevel => $sublevels) {

$top_menu = new GtkMenuItem($toplevel);

$menubar->append($top_menu);

$menu = new GtkMenu();

$top_menu->set_submenu($menu);

// let's ask php-gtk to tell us when user press the 2nd Alt key

$menu->connect('key-press-event', array(&$this, 'on_menu_keypress'),

$toplevel);

//*

foreach($sublevels as $submenu) {

if (strpos("$submenu", '|') === false) {

$accel_key = '';

} else {

list($submenu, $accel_key) = explode('|', $submenu);

}

if ($submenu=='<hr>') {

$menu->append(new GtkSeparatorMenuItem());

}

else {

$submenu2 = str_replace('_', '', $submenu);

$submenu2 = str_replace(' ', '_', $submenu2);

$stock_image_name = 'Gtk::STOCK_'.strtoupper($submenu2);

if (defined($stock_image_name)) {

$menu_item = new GtkImageMenuItem(

constant($stock_image_name));

} else {

$menu_item = new GtkMenuItem($submenu);

}

if ($accel_key!='') {

$menu_item->add_accelerator("activate",

$accel_group, ord($accel_key), Gdk::CONTROL_MASK, 1);

}

$menu->append($menu_item);

$menu_item->connect('activate',

array(&$this, 'on_menu_select'));

$this->menuitem[$toplevel][$submenu] = $menu_item;

}

// }

}

// */

}

}

// process menu item selection

function on_menu_select($menu_item) {

$item = $menu_item->child->get_label();

if (method_exists($this, $item)) $this->$item();

if ($item=='E_xit') Gtk::main_quit();

}

// processing of menu keypress

function on_menu_keypress($menu, $event, $toplevel) {

if (!$event->state & Gdk::MOD1_MASK) return false;

// get the ascii equivalent of the keypress

$keypress = '';

if ($event->keyval<255) {

$keypress = chr($event->keyval); // ascii equivalent

$keypress = strtolower($keypress); // convert to lowercase

}

$match = 0; // flag to see if there's a match

foreach($this->menu_definition[$toplevel] as $submenu) {

if (!preg_match("/.*_([a-zA-Z0-9]).*/", "$submenu", $matches))

continue;

$key2 = strtolower($matches[1]);

if ($keypress==$key2) {

if (strpos("$submenu", '|') === false) {

$accel_key = '';

} else {

list($submenu, $accel_key) = explode('|', $submenu);

}

$menuitem = $this->menuitem[$toplevel][$submenu];

$menuitem->activate();

$menu->popdown();

$match = 1;

break;

}

}

return $match;

}