/php/lib/forms/metadata_associations_form.class.php

<?php

namespace metadata;



use common\libraries\FormValidator;

use common\libraries\Translation;

use common\libraries\EqualityCondition;

use common\libraries\Path;

use common\libraries\Utilities;

use common\libraries\ToolbarItem;

use common\libraries\Toolbar;

use common\libraries\Theme;



/**

 * This class describes the form for a MetadataAttributeAssociation object.

 * @author Sven Vanpoucke

 * @author Jens Vanderheyden

 **/

class MetadataAssociationsForm extends FormValidator

{

    const TYPE_CREATE = 1;

    const TYPE_EDIT = 2;

    

    const PARAM_PROPERTY = 'properties';

    const PARAM_ATTRIBUTE = 'attributes';

    

    private $user;

    private $metadata_element;

    private $application;



    function __construct($form_type, $metadata_element, $action, $user, $application)

    {

        parent :: __construct('metadata_attribute_association_settings', 'post', $action);

        

        $this->user = $user;

        $this->metadata_element = $metadata_element;

        $this->application = $application;

        

        $this->form_type = $form_type;

        

        if ($this->form_type == self :: TYPE_EDIT)

        {

            $this->build_editing_form();

        }

        elseif ($this->form_type == self :: TYPE_CREATE)

        {

            $this->build_creation_form();

        }

        

        $this->setDefaults();

    }



    function build_basic_form()

    {

        $condition = new EqualityCondition(MetadataAttributeAssociation :: PROPERTY_PARENT_ID, $this->metadata_element->get_id());

        

        $mdm = MetadataDataManager :: get_instance();

        

        $metadata_attribute_associations = $mdm->retrieve_metadata_attribute_associations($condition);

        $metadata_element_nestings = $mdm->retrieve_metadata_element_nestings($condition);

        

        $defaults = array();

        $attributes = array();



        while ($nesting = $metadata_attribute_associations->next_result())

       {

           $propName = ($nesting->get_child_type() == MetadataManager :: PARAM_METADATA_ELEMENT) ? self :: PARAM_PROPERTY : self :: PARAM_ATTRIBUTE;

            $element = array();



            $element['classes'] = 'type type_cda_language';

            $element['id'] = $propName . '_' . $nesting->get_child_id();



            switch ($nesting->get_child_type())

            {

                case MetadataManager :: PARAM_METADATA_ELEMENT :

                   $element = $this->application->retrieve_metadata_element($nesting->get_child_id());

                   $name = $element->get_ns_prefix() . ':' . $element->get_name() . ' (property)';

                    break;

                case MetadataManager :: PARAM_METADATA_ATTRIBUTE :

                    $attribute = $this->application->retrieve_metadata_attribute($nesting->get_child_id());

                    $name = $attribute->render_name() . ' (attribute)';

                    break;

            }

            $element['title'] = $name;

            $defaults[] = $element;

        }

        

        $attributes['defaults'] = $defaults;

        $attributes['exclude'] = array();

        $attributes['nodesSelectable'] = true;

        $attributes['locale']['Display'] = Translation :: get('SelectObjects', array('OBJECT' => Translation :: get('MetadataAttributes')), Utilities :: COMMON_LIBRARIES);

        $locale['Searching'] = Translation :: get('Searching', null, Utilities :: COMMON_LIBRARIES);

        $locale['NoResults'] = Translation :: get('NoResults', null, Utilities :: COMMON_LIBRARIES);

        $locale['Error'] = Translation :: get('Error', null, Utilities :: COMMON_LIBRARIES);

        //$attributes['options'] = '';

        $attributes['search_url'] = Path :: get(WEB_PATH) . 'metadata/php/xml_feeds/xml_attributes_feed.php';

       





        $element_finder = $this->createElement('element_finder', MetadataManager :: PARAM_METADATA_ATTRIBUTE_ASSOCIATION, Translation :: get('SelectObjects', array('OBJECT' => Translation :: get('MetadataAttribute')), Utilities :: COMMON_LIBRARIES), $attributes['search_url'], $attributes['locale'], $attributes['defaults'], $attributes['options']);

        $element_finder->excludeElements($attributes['exclude']);

        $this->addElement($element_finder);

        

        $properties = array();

        

        $attributes = array();

        $defaults = array();



        while ($nesting = $metadata_element_nestings->next_result())

        {

            $propName = ($nesting->get_child_type() == MetadataManager :: PARAM_METADATA_ELEMENT) ? self :: PARAM_PROPERTY : self :: PARAM_ATTRIBUTE;

            $element = array();



            $element['classes'] = 'type type_cda_language';

            $element['id'] = $propName . '_' . $nesting->get_child_id();



            switch ($nesting->get_child_type())

            {

                case MetadataManager :: PARAM_METADATA_ELEMENT :

                    $element = $this->application->retrieve_metadata_element($nesting->get_child_id());

                    $name = $element->get_ns_prefix() . ':' . $element->get_name() . ' (property)';

                    break;

                case MetadataManager :: PARAM_METADATA_ATTRIBUTE :

                    $attribute = $this->application->retrieve_metadata_attribute($nesting->get_child_id());

                    $name = $attribute->render_name() . ' (attribute)';

                    break;

            }

            $element['title'] = $name;

            $defaults[] = $element;

        }



        $attributes['defaults'] = $defaults;

        $attributes['nodesSelectable'] = true;

        $attributes['exclude'] = array('lala');

        $attributes['locale']['Display'] = 'Select attributes';

        $attributes['locale']['Error'] = 'Error';

        $attributes['locale']['NoResults'] = 'No results found';

        $attributes['locale']['Searching'] = 'Searching';

        $attributes['search_url'] = Path :: get(WEB_PATH) . 'metadata/php/xml_feeds/xml_attributes_feed.php';

        $element_finder = $this->createElement('element_finder', MetadataManager :: PARAM_METADATA_ELEMENT_NESTING, Translation :: get('SelectObjects', array('OBJECT' => Translation :: get('MetadataAttribute')), Utilities :: COMMON_LIBRARIES), $attributes['search_url'], $attributes['locale'], $attributes['defaults'], $attributes['options']);

        $this->addElement($element_finder);

    }



    function build_editing_form()

    {

        $this->build_basic_form();

        

        //$this->addElement('hidden', MetadataAttributeAssociation :: PROPERTY_ID);

        



        $buttons[] = $this->createElement('style_submit_button', 'submit', Translation :: get('Update', null, Utilities :: COMMON_LIBRARIES), array('class' => 'positive update'));

        $buttons[] = $this->createElement('style_reset_button', 'reset', Translation :: get('Reset', null, Utilities :: COMMON_LIBRARIES), array('class' => 'normal empty'));

        

        $this->addGroup($buttons, 'buttons', null, '&nbsp;', false);

    }



    function build_creation_form()

    {

        $this->build_basic_form();

        

        $buttons[] = $this->createElement('style_submit_button', 'submit', Translation :: get('Create', null, Utilities :: COMMON_LIBRARIES), array('class' => 'positive'));

        $buttons[] = $this->createElement('style_reset_button', 'reset', Translation :: get('Reset', null, Utilities :: COMMON_LIBRARIES), array('class' => 'normal empty'));

        

        $this->addGroup($buttons, 'buttons', null, '&nbsp;', false);

    }



    function update_associations()

    {

        $fails = 0;

        $values = $this->exportValues();

        

        $this->application->delete_metadata_attribute_associations(Utilities :: camelcase_to_underscores(Utilities :: get_classname_from_namespace(MetadataAttributeAssociation :: CLASS_NAME)), $this->metadata_element);

        

        foreach ($values[MetadataManager :: PARAM_METADATA_ATTRIBUTE_ASSOCIATION] as $type => $elements)

        {

            foreach ($elements as $id)

            {

                $metadata_attribute_association = new MetadataAttributeAssociation();

                

                $metadata_attribute_association->set_parent_id($this->metadata_element->get_id());

                $metadata_attribute_association->set_child_id($id);

                $typeName = ($type == 'attributes') ? MetadataManager :: PARAM_METADATA_ATTRIBUTE : MetadataManager :: PARAM_METADATA_ELEMENT;

                $metadata_attribute_association->set_child_type($typeName);

                

                if (! $metadata_attribute_association->create())

                    $fails ++;

            }

        

        }

        

        $this->application->delete_metadata_element_nestings(Utilities :: camelcase_to_underscores(Utilities :: get_classname_from_namespace(MetadataElementNesting :: CLASS_NAME)), $this->metadata_element);

        

        foreach ($values[MetadataManager :: PARAM_METADATA_ELEMENT_NESTING] as $type => $elements)

        {

            foreach ($elements as $id)

            {

                

                $metadata_element_nesting = new MetadataElementNesting();

                

                $metadata_element_nesting->set_parent_id($this->metadata_element->get_id());

                $metadata_element_nesting->set_child_id($id);

                $typeName = ($type == 'attributes') ? MetadataManager :: PARAM_METADATA_ATTRIBUTE : MetadataManager :: PARAM_METADATA_ELEMENT;

                $metadata_element_nesting->set_child_type($typeName);

                

                if (! $metadata_element_nesting->create())

                    $fails ++;

            }

        }

        

        return ($fails < 1) ? true : false;

    }

}

?>