snap2/content/SnapContentInteractivateInstructor.php5

<?php

class SnapContentInteractivateInstructor extends SnapContent {
    protected $NEED_TRANSLATION = true;

    protected $currentXML = null;
    protected $loadErrors = array();

    protected function prepareAndValidateXML($content, $field, $pre = '', $post = '') {
        $content = ltrim(rtrim($content));
        $pre = '<XMLResource><section>' . $pre;
        $post = $post . '</section></XMLResource>';
        $res = XmlFormatter::prepareXML($content, $field, true);
        if(is_array($res)) {
            $this->loadErrors = array_merge($this->loadErrors, $res);
            return false;
        }
        $res = SXMLHelper::validateXML($in = "$pre$content$post", true);
        if(is_array($res)) {
            $res = XmlFormatter::prepareXML($content, $field, false);
            $res = SXMLHelper::validateXML($in = "$pre$content$post", true);
        }
        if(is_array($res)) {
            foreach($res as $err)
                $this->loadErrors[] = "In field <b>$field</b>: $err";
            return false;
        }
        $ret = SXMLHelper::formatXML($content);
        if(!$ret)
            $ret = $content;
        return $ret;

    }

    public function setDescription($description) {
        $description = $this->prepareAndValidateXML($description, 'Description');
        if($description === false)
            return false;
        else
            return $this->set('description', $description);
    }

    public function clearPlacements() {
        $this->set('placements', array());
    }

    public function addPlacement($obj) {
        $obj = $this->prepareAndValidateXML($obj, 'Objective', '<ul><li>', '</li></ul>');
        if($obj === false)
            return false;
        $placements = $this->get('placements');
        if(!is_array($placements))
            $placements = array($obj);
        else
            $placements[] = $obj;
        $this->set('placements', $placements);
    }

    public function clearPreparations() {
        $this->set('preparations', array());
    }

    public function addPreparation($content) {
        $content = $this->prepareAndValidateXML($content, 'Follow Up', '<ul><li>', '</li></ul>');
        if($content === false)
            return false;
        $preparations = $this->get('preparations');
        $preparations[] = $content;
        $this->set('preparations', $preparations);
        return true;
    }

    public function getXML() {
        if(!$this->currentXML) {
            $ret = $this->generateXML();
            if(is_array($ret)) {
                foreach($ret as $entry)
                    $this->setError($entry);
                return false;
            }
            $this->currentXML = $ret;
        }

        return $this->currentXML;
    }

    protected function generateXML() {
        $errors = array();

        $description = XmlFormatter::prepareXML($this->get('description'), 'Description');
        $placements = (is_array($this->get('placements')) ? $this->get('placements') : array());
        $preparations = (is_array($this->get('preparations')) ? $this->get('preparations') : array());

        $plcStr = '';
        foreach($placements as $plc)
            $plcStr .= '<li>' . $this->prepareAndValidateXML($plc, 'Placements', '<p>', '</p>') . '</li>';
        if(count($placements) > 0)
            $plcStr = <<<END_XML
<section mapping="placements">
    <p>This activity can be used to:</p>
    <ul>$plcStr</ul>
</section>

END_XML;

        $prepStr = '';
        foreach($preparations as $prep)
            $prepStr .= '<li>' . $this->prepareAndValidateXML($prep, 'Preparations', '<p>', '</p>') . '</li>';
        if(count($preparations) > 0)
            $prepStr = <<<END_XML
<section mapping="preparations">
    <ul>$prepStr</ul>
</section>

END_XML;

        if($description != '')
            $description = "<section mapping=\"description\"><p>$description</p></section>";

        if(count($errors) > 0)
            return $errors;

        $xmlString = <<<END_XML
<XMLResource>
    <section mapping="title">
        <p>{{{PLACEHOLDER}}}</p>
    </section>
    $description
    $plcStr
    <section mapping="standards">
        <p>{{{PLACEHOLDER}}}</p>
    </section>
    <section mapping="textbooks">
        <p>{{{PLACEHOLDER}}}</p>
    </section>
    $prepStr
</XMLResource>
END_XML;

        $ret = XmlFormatter::finalGenerateXML($xmlString, true);

        return $ret;
    }

    public function getDescription() {
        return $this->get('description');
    }

    public function getPlacements() {
        $o = $this->get('placements');
        return is_array($o) ? $o : array();
    }

    public function getPreparations() {
        $o = $this->get('preparations');
        return is_array($o) ? $o : array();
    }

    public function getLoadErrors() {
        return $this->loadErrors;
    }

    protected function validate() {
        return true;
    }

    protected function doGetHTML($params) {
        return $this->getAll();
    }

    public function checkMedia() {
        return true;
    }

    public function updateFileList() {
        return true;
    }

    public static function initialValue() {
        return "<XMLResource>\n</XMLResource>\n";
    }
}

?>

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