<?php
// php/ZenityClasses.php
//
// commande système zenity

abstract class Zenity_cmd
{
	protected $command = 'zenity';
	protected $command_type = '';
	protected $rows = [];
    private $title = 'ORDIPOLO';
	private $text = '';
	protected $width = 300;
	protected $height = 200; // recalculée en fonction du contenu, vaut au minimum 150
	
	protected function __construct($text, array $rows = []) // $rows est optionnel
	{
		$this->text = $text;
		$this->rows= $rows;
		$this->command .= $this->command_type;
        $this->command .= ' --title="' . $this->title . '"';
		$this->command .= ' --text="' . $this->text . '"';
	}
	
	public function get()
	{
		return($this->command);
	}
}


class Zenity_list extends Zenity_cmd
{
	public function __construct($text, array $rows)
	{
		$this->command_type = ' --list';
		parent::__construct($text, $rows);
		$this->height = 80 + count($this->rows) * 25;
        $this->command .= ' --width=' . $this->width;
		$this->command .= ' --height=' . $this->height;
		$this->command .= ' --hide-header'; // ligne inutile, il y a déjà le --text
		self::one_column_zenity_list($this->rows);
	}
	
	public function set_entries($rows_set) // variable renseignée après la construction
	{
		$this->rows = $rows_set;
	}
	
	private function one_column_zenity_list($rows)
	{
		$output = ' --column=""';
		foreach($rows as $entry)
		{
			$output .= ' "' . $entry . '"'; // forme: ' "choix 1" "choix 2"'
		}
		$this->command .= $output;
	}
}

class Zenity_question extends Zenity_cmd
{
	public function __construct($text)
	{
		$this->command_type = ' --question';
		parent::__construct($text);
        $this->command .= ' && echo $?';
        // la sortie de "zenity --question" est le statut de sortie "$?"
		// $? vaut 0 pour oui, 1 pour non, à ceci près que pour non zenity ne renvoie rien
	}
}

class Zenity_forms extends Zenity_cmd
{
    public function __construct($text, array $rows)
	{
		$this->command_type = ' --forms';
		parent::__construct($text, $rows);
        //$this->height = 80 + count($this->rows) * 25; // à tester, mais devrait produire le rendu attendu
        self::entries_zenity_forms($this->rows);
	}
    
    private function entries_zenity_forms($entries)
    {
        $output = '';
		foreach($entries as $one_entry)
		{
			$output .= ' --add-entry="' . $one_entry . '"'; // forme: ' "choix 1" "choix 2"'
		}
		$this->command .= $output;
    }
}

class Zenity_calendar extends Zenity_cmd
{
	public function __construct($text)
	{
		$this->command_type = ' --calendar';
		parent::__construct($text);
	}
}

class Zenity_entry extends Zenity_cmd
{
	public function __construct($text)
	{
		$this->command_type = ' --entry';
		parent::__construct($text);
	}
}