canax/htmlform

<?php

namespace Anax\HTMLForm;

use Psr\Container\ContainerInterface;

/**
 * Example of FormModel implementation.
 */
class FormModelSelectOptionMultiple extends FormModel
{
    /**
     * Constructor injects with DI container.
     *
     * @param Anax\DI\DIInterface $di a service container
     */
    public function __construct(ContainerInterface $di)
    {
        parent::__construct($di);
        $this->form->create(
            [
                "id" => __CLASS__,
                "legend" => "Legend"
            ],
            [
                "selectm" => [
                    "type"        => "select-multiple",
                    "label"       => "Select one or more fruite:",
                    "description" => "Here you can place a description.",
                    "size"        => 6,
                    "options"     => [
                        "tomato" => "tomato",
                        "potato" => "potato",
                        "apple"  => "apple",
                        "pear"   => "pear",
                        "banana" => "banana",
                    ],
                    "checked"   => ["potato", "pear"],
                ],

                "submit" => [
                    "type" => "submit",
                    "value" => "Submit",
                    "callback" => [$this, "callbackSubmit"]
                ],
            ]
        );
    }



    /**
     * Callback for submit-button which should return true if it could
     * carry out its work and false if something failed.
     *
     * @return boolean true if okey, false if something went wrong.
     */
    public function callbackSubmit()
    {
        $this->form->addOutput(
            "Checked values are: "
            . implode($this->form->value("selectm"), ", ")
            . "</br>"
        );

        // Remember values during resubmit, for sake of the example
        $this->form->rememberValues();

        return true;
    }
}