class.ilBackgroundImageInputGUI.php

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<?php
 
declare(strict_types=1);
 
class ilBackgroundImageInputGUI extends ilFormPropertyGUI
{
    protected array $images;
    protected ilObjUser $user;
    protected string $value;
 
    public function __construct(string $a_title = "", string $a_postvar = "")
    {
        global $DIC;
 
        $this->lng = $DIC->language();
        $this->user = $DIC->user();
        parent::__construct($a_title, $a_postvar);
        $this->setType("background_image");
    }
 
    public function setValue(string $a_value): void
    {
        $this->value = $a_value;
    }
 
    public function getValue(): string
    {
        return $this->value;
    }
 
    public function setImages(array $a_images): void
    {
        $this->images = $a_images;
    }
 
    public function getImages(): array
    {
        return $this->images;
    }
 
    public function checkInput(): bool
    {
        $lng = $this->lng;
 
        $input = $this->getInput();
 
        $type = $input["type"] ?? "";
        $int_value = $input["int_value"] ?? "";
        $ext_value = $input["ext_value"] ?? "";
 
        if ($this->getRequired() && $type == "ext" && trim($ext_value) == "") {
            $this->setAlert($lng->txt("msg_input_is_required"));
 
            return false;
        }
 
        if ($type == "external") {
            $this->setValue($ext_value);
        } else {
            $this->setValue($int_value);
        }
 
        return true;
    }
 
    public function getInput(): array
    {
        return $this->strArray($this->getPostVar());
    }
 
    public function insert(ilTemplate $a_tpl): void
    {
        $tpl = new ilTemplate("tpl.prop_background_image.html", true, true, "components/ILIAS/Style/Content");
 
        $tpl->setVariable("POSTVAR", $this->getPostVar());
 
        $int_options = array_merge(array("" => ""), $this->getImages());
 
        $value = trim($this->getValue());
 
        if (is_int(strpos($value, "/"))) {
            $current_type = "ext";
            $tpl->setVariable("EXTERNAL_SELECTED", 'checked="checked"');
            $tpl->setVariable("VAL_EXT", ilLegacyFormElementsUtil::prepareFormOutput($value));
        } else {
            $current_type = "int";
            $tpl->setVariable("INTERNAL_SELECTED", 'checked="checked"');
        }
 
        foreach ($int_options as $option) {
            $tpl->setCurrentBlock("int_option");
            $tpl->setVariable("VAL_INT", $option);
            $tpl->setVariable("TXT_INT", $option);
 
            if ($current_type == "int" && $value == $option) {
                $tpl->setVariable("INT_SELECTED", 'selected="selected"');
            }
            $tpl->parseCurrentBlock();
        }
 
        $a_tpl->setCurrentBlock("prop_generic");
        $a_tpl->setVariable("PROP_GENERIC", $tpl->get());
        $a_tpl->parseCurrentBlock();
    }
 
    public function setValueByArray(array $a_values): void
    {
        if ($a_values[$this->getPostVar()]["type"] == "internal") {
            $this->setValue($a_values[$this->getPostVar()]["int_value"]);
        } else {
            $this->setValue($a_values[$this->getPostVar()]["ext_value"]);
        }
    }
}