class.ilWidthHeightInputGUI.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilWidthHeightInputGUI extends ilFormPropertyGUI
{
    protected $support_constraint_props = false;
    protected $user;

    protected $value;
    
    public function __construct($a_title = "", $a_postvar = "")
    {
        global $DIC;

        $this->lng = $DIC->language();
        $this->user = $DIC->user();
        parent::__construct($a_title, $a_postvar);
        $this->setType("width_height");
        $this->dirs = array("width", "height");
    }

    public function setSupportConstraintsProps(bool $a_val) : void
    {
        $this->support_constraint_props = $a_val;
    }

    public function getSupportConstraintsProps() : bool
    {
        return $this->support_constraint_props;
    }


    public function setWidth($a_width)
    {
        $this->width = $a_width;
    }

    public function getWidth()
    {
        return $this->width;
    }

    public function setHeight($a_height)
    {
        $this->height = $a_height;
    }

    public function getHeight()
    {
        return $this->height;
    }

    public function setConstrainProportions($a_constrainproportions)
    {
        $this->constrainproportions = $a_constrainproportions;
    }

    public function getConstrainProportions()
    {
        return $this->constrainproportions;
    }

    public function checkInput()
    {
        $lng = $this->lng;
        
        foreach ($this->dirs as $dir) {
            $pre_value = $_POST[$this->getPostVar()][$dir] =
                ilUtil::stripSlashes($_POST[$this->getPostVar()][$dir]);
                
            /*
            if ($this->getRequired() && trim($num_value) == "")
            {
                $this->setAlert($lng->txt("msg_input_is_required"));

                return false;
            }*/
                        
            $value = $pre_value;
            
            if (trim($value) != "") {
                switch ($dir) {
                    case "width": $this->setWidth($value); break;
                    case "height": $this->setHeight($value); break;
                }
            }
        }
        
        return true;
    }

    public function insert($a_tpl)
    {
        $lng = $this->lng;
        
        $tpl = new ilTemplate("tpl.prop_width_height.html", true, true, "Services/MediaObjects");

        $wh_ratio = 0;
        if ((int) $this->getHeight() > 0) {
            $wh_ratio = (int) $this->getWidth() / (int) $this->getHeight();
        }
        if ($this->getSupportConstraintsProps() && $wh_ratio > 0) {
            $tpl->setCurrentBlock("cs_prop");
            $tpl->setVariable("TXT_CONSTR_PROP", $lng->txt("cont_constrain_proportions"));
            $tpl->setVariable("CS_POST_VAR", $this->getPostVar());
            if ($this->getConstrainProportions()) {
                $tpl->setVariable("CHECKED", 'checked="checked"');
            }
            $tpl->setVariable("WH_RATIO", str_replace(",", ".", round($wh_ratio, 6)));
            $tpl->parseCurrentBlock();
        }

        foreach ($this->dirs as $dir) {
            switch ($dir) {
                case "width": $value = strtolower(trim($this->getWidth())); break;
                case "height": $value = strtolower(trim($this->getHeight())); break;
            }
            $tpl->setVariable("VAL_" . strtoupper($dir), $value);
        }

        $tpl->setVariable("POST_VAR", $this->getPostVar());


        $a_tpl->setCurrentBlock("prop_generic");
        $a_tpl->setVariable("PROP_GENERIC", $tpl->get());
        $a_tpl->parseCurrentBlock();
        
        $GLOBALS["tpl"]->addJavascript("./Services/MediaObjects/js/ServiceMediaObjectPropWidthHeight.js");
    }

    public function setValueByArray($a_values)
    {
        $ilUser = $this->user;
        //var_dump($a_values[$this->getPostVar()]);
        $this->setWidth($a_values[$this->getPostVar()]["width"]);
        $this->setHeight($a_values[$this->getPostVar()]["height"]);
        $this->setConstrainProportions($a_values[$this->getPostVar()]["constr_prop"]);
    }
}