<?php

$dialog = new GtkFileChooserDialog("File Save", null, Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER, array(Gtk::STOCK_OK, Gtk::RESPONSE_OK), null);
$dialog->show_all();
if ($dialog->run() == Gtk::RESPONSE_OK) {
	$selected_file = $dialog->get_filename();
	echo "selected_file = $selected_file\n";
	$search = new ImageSearch();
	$search->search($selected_file);
}
$dialog->destroy();

class ImageSearch{
	
	protected $search = true;
	protected $dialog;
	protected $progress;
	
	public function __construct(){
		$this->build_dialog();
	}
	
	public function search($path){
		$this->dialog->show_all();
		$timeout_id = Gtk::timeout_add(500,array($this,'pulse'));
		$this->search = true;
		$found = array();
		if (!$this->gather($path,$found)) {
			$this->dialog->hide_all();
			Gtk::idle_remove($timeout_id);
			return false;
		}else{
			$this->dialog->hide_all();
			Gtk::idle_remove($timeout_id);
			return $found;
		}
	}
	
	public function pulse(){
		$this->progress->pulse(); 
		return true;
	}
	
	public function cancel(){
		$this->search = false;
	}
	
	protected function build_dialog(){
		$dialog = new GtkDialog('Scanning in progress...', null, Gtk::DIALOG_MODAL);
		$top_area = $dialog->vbox;
		$top_area->pack_start(new GtkLabel('Please hold on while processing directory...'));
		$this->progress = new GtkProgressBar();
		$this->progress->set_orientation(Gtk::PROGRESS_LEFT_TO_RIGHT);
		$top_area->pack_start($this->progress, 0, 0);
		$cancel = new gtkbutton('cancel');
		$top_area->pack_start($cancel, false, false);
		$cancel->connect_simple('clicked',array($this,'cancel'));
		$dialog->set_has_separator(false);
		$this->dialog = $dialog;
	}
	
	protected function gather($path,&$found){
		$dir = new DirectoryIterator($path);
		foreach ($dir as $file){
			while(Gtk::events_pending()) Gtk::main_iteration();
			if ($file->isFile() & !$file->isDot() & !$file->isDir() & $file->isReadable()) {
				echo $file->getPath().DIRECTORY_SEPARATOR.$file->getFilename()."\n";
				$data = getimagesize($file->getPath().DIRECTORY_SEPARATOR.$file->getFilename());
				if ($data > 0) {
					$found[] = array($file->getFilename(),$file->getPath());
				}
			}
			if (!$file->isDot() & $file->isDir()) {
				$this->gather($file->getPath().DIRECTORY_SEPARATOR.$file->getFilename(),$found);
			}
			if ($this->search == false) {
				return false;
			}
		}
		return true;
	}
	
}

?>