class.ilAbstractBuddySystemRelationStateButtonRenderer.php

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<?php
/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/Contact/BuddySystem/interfaces/interface.ilBuddySystemRelationStateButtonRenderer.php';
require_once 'Services/Utilities/classes/class.ilStr.php';

abstract class ilAbstractBuddySystemRelationStateButtonRenderer implements ilBuddySystemRelationStateButtonRenderer
{
        protected $relation;

        protected $user_id;

        protected $tpl;

        protected $lng;

        public function __construct($user_id, ilBuddySystemRelation $relation)
        {
                global $DIC;

                $this->user_id   = $user_id;
                $this->relation  = $relation;

                $this->tpl = new ilTemplate(
                        'tpl.buddy_system_state_' . ilStr::convertUpperCamelCaseToUnderscoreCase($this->relation->getState()->getName()) . '.html',
                        true,
                        true,
                        'Services/Contact/BuddySystem'
                );

                $this->lng = $DIC['lng'];
        }

        protected function getLanguageVariableSuffix()
        {
                if($this->relation->isOwnedByRequest())
                {
                        $suffix = '_a';
                }
                else
                {
                        $suffix = '_p';
                }
                return $suffix;
        }

        protected function render()
        {
                $this->renderStateButton();
                $states = $this->relation->getCurrentPossibleTargetStates();
                foreach($states as $target_state)
                {
                        $this->renderTargetState($target_state);
                }
        }

        protected function getTemplateVariablePrefix()
        {
                return '';
        }

        protected function renderStateButton()
        {
                $state_id = ilStr::convertUpperCamelCaseToUnderscoreCase($this->relation->getState()->getName());

                $this->tpl->setVariable(
                        $this->getTemplateVariablePrefix() . 'BUTTON_TXT',
                        $this->lng->txt(
                                'buddy_bs_btn_txt_' . $state_id . $this->getLanguageVariableSuffix()
                        )
                );
        }

        protected function renderTargetState(ilBuddySystemRelationState $target_state)
        {
                $state_id        = ilStr::convertUpperCamelCaseToUnderscoreCase($this->relation->getState()->getName());
                $target_state_id = ilStr::convertUpperCamelCaseToUnderscoreCase($target_state->getName());

                $this->tpl->setVariable(
                        $this->getTemplateVariablePrefix() . 'TARGET_STATE_' . strtoupper($target_state_id),
                        get_class($target_state)
                );
                $this->tpl->setVariable(
                        $this->getTemplateVariablePrefix() . 'TARGET_STATE_ACTION_' . strtoupper($target_state_id),
                        $target_state->getAction()
                );
                $this->tpl->setVariable(
                        $this->getTemplateVariablePrefix() . 'TARGET_STATE_TXT_' . strtoupper($target_state_id),
                        $this->lng->txt(
                                'buddy_bs_act_btn_txt_' . $state_id . '_to_' . $target_state_id
                        )
                );
        }

        public function getHtml()
        {
                $this->render();
                return $this->tpl->get();
        }
}