class.ilAssQuestionHintGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Modules/TestQuestionPool/classes/class.ilAssQuestionHintAbstractGUI.php';

class ilAssQuestionHintGUI extends ilAssQuestionHintAbstractGUI
{
        const CMD_SHOW_FORM             = 'showForm';
        const CMD_SAVE_FORM             = 'saveForm';
        const CMD_CANCEL_FORM   = 'cancelForm';
        const CMD_CONFIRM_FORM  = 'confirmForm';
        
        public function executeCommand()
        {
                global $ilCtrl, $ilTabs, $lng, $tpl;
                
                $cmd = $ilCtrl->getCmd(self::CMD_SHOW_FORM);
                $nextClass = $ilCtrl->getNextClass($this);

                switch($nextClass)
                {
                        case 'ilasshintpagegui':
                                
                                require_once 'Modules/TestQuestionPool/classes/class.ilAssQuestionHintPageObjectCommandForwarder.php';
                                $forwarder = new ilAssQuestionHintPageObjectCommandForwarder($this->questionOBJ, $ilCtrl, $ilTabs, $lng);
                                $forwarder->setPresentationMode(ilAssQuestionHintPageObjectCommandForwarder::PRESENTATION_MODE_AUTHOR);
                                $forwarder->forward();
                                break;

                        default:
                                
                                $cmd .= 'Cmd';
                                $this->$cmd();
                                break;
                }

                return true;
        }
        
        private function showFormCmd(ilPropertyFormGUI $form = null)
        {
                global $ilCtrl, $tpl, $ilToolbar, $lng, $ilCtrl;
                
                if( $form instanceof ilPropertyFormGUI )
                {
                        $form->setValuesByPost();
                }
                elseif( isset($_GET['hint_id']) && (int)$_GET['hint_id'] )
                {
                        $questionHint = new ilAssQuestionHint();

                        if( !$questionHint->load((int)$_GET['hint_id']) )
                        {
                                ilUtil::sendFailure('invalid hint id given: '.(int)$_GET['hint_id'], true);
                                $ilCtrl->redirectByClass('ilAssQuestionHintsGUI', ilAssQuestionHintsGUI::CMD_SHOW_LIST);
                        }

                        $form = $this->buildForm($questionHint);
                }
                else
                {
                        $form = $this->buildForm();
                }
                
                $tpl->setContent( $form->getHTML() );
        }
        
        private function saveFormCmd()
        {
                global $ilCtrl, $lng, $ilUser;
                
                $form = $this->buildForm();
                
                if( $form->checkInput() )
                {
                        $questionHint = new ilAssQuestionHint();
                        
                        if( (int)$form->getInput('hint_id') )
                        {
                                $questionHint->load( (int)$form->getInput('hint_id') );
                                
                                $hintJustCreated = false;
                        }
                        else
                        {
                                $questionHint->setQuestionId( $this->questionOBJ->getId() );
                                
                                $questionHint->setIndex(
                                                ilAssQuestionHintList::getNextIndexByQuestionId($this->questionOBJ->getId())
                                );
                                
                                $hintJustCreated = true;
                        }

                        $questionHint->setText( $form->getInput('hint_text') );
                        $questionHint->setPoints( $form->getInput('hint_points') );

                        $questionHint->save();
                        ilUtil::sendSuccess($lng->txt('tst_question_hints_form_saved_msg'), true);

                        if(!$this->questionOBJ->isAdditionalContentEditingModePageObject())
                        {
                                $this->questionOBJ->updateTimestamp();
                        }

                        $originalexists = $this->questionOBJ->_questionExistsInPool($this->questionOBJ->original_id);
                        include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
                        if ($_GET["calling_test"] && $originalexists && assQuestion::_isWriteable($this->questionOBJ->original_id, $ilUser->getId()))
                        {
                                $ilCtrl->redirectByClass('ilAssQuestionHintsGUI', ilAssQuestionHintsGUI::CMD_CONFIRM_SYNC);
                        }
                

                        if( $hintJustCreated && $this->questionOBJ->isAdditionalContentEditingModePageObject() )
                        {
                                $ilCtrl->setParameterByClass('ilasshintpagegui', 'hint_id', $questionHint->getId());
                                $ilCtrl->redirectByClass('ilasshintpagegui', 'edit');
                        }
                        else
                        {
                                $ilCtrl->redirectByClass('ilAssQuestionHintsGUI', ilAssQuestionHintsGUI::CMD_SHOW_LIST);
                        }
                }
                
                ilUtil::sendFailure($lng->txt('tst_question_hints_form_invalid_msg'));
                $this->showFormCmd($form);
        }
        
        private function cancelFormCmd()
        {
                global $ilCtrl;
                
                $ilCtrl->redirectByClass('ilAssQuestionHintsGUI');
        }
        
        private function buildForm(ilAssQuestionHint $questionHint = null)
        {
                global $ilCtrl, $lng;
                
                require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
                require_once 'Services/Form/classes/class.ilTextAreaInputGUI.php';
                require_once 'Services/Form/classes/class.ilNumberInputGUI.php';
                require_once 'Services/Form/classes/class.ilHiddenInputGUI.php';

                $form = new ilPropertyFormGUI();
                $form->setTableWidth('100%');
                
                if( !$this->questionOBJ->isAdditionalContentEditingModePageObject() )
                {
                        // form input: hint text

                        $areaInp = new ilTextAreaInputGUI($lng->txt('tst_question_hints_form_label_hint_text'), 'hint_text');
                        $areaInp->setRequired(true);
                        $areaInp->setRows(10);
                        $areaInp->setCols(80);

                        if( !$this->questionOBJ->getPreventRteUsage() ) $areaInp->setUseRte(true);

                        include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
                        $areaInp->setRteTags( ilObjAdvancedEditing::_getUsedHTMLTags("assessment") );

                        $areaInp->setRTESupport($this->questionOBJ->getId(), 'qpl', 'assessment');

                        $areaInp->addPlugin("latex");
                        $areaInp->addButton("latex");
                        $areaInp->addButton("pastelatex");

                        $form->addItem($areaInp);
                }
                
                // form input: hint points
                
                $numInp = new ilNumberInputGUI($lng->txt('tst_question_hints_form_label_hint_points'), 'hint_points');
                $numInp->allowDecimals(true);
                $numInp->setRequired(true);
                $numInp->setSize(3);
                
                $form->addItem($numInp);
                
                if( $questionHint instanceof ilAssQuestionHint )
                {
                        // build form title for an existing hint
                        
                        $form->setTitle(sprintf(
                                        $lng->txt('tst_question_hints_form_header_edit'),
                                        $questionHint->getIndex(),
                                        $this->questionOBJ->getTitle()
                        ));

                        // hidden input: hint id
                        
                        $hiddenInp = new ilHiddenInputGUI('hint_id');
                        $form->addItem($hiddenInp);
                        
                        // init values
                        
                        require_once 'Services/Utilities/classes/class.ilUtil.php';
                        
                        if( !$this->questionOBJ->isAdditionalContentEditingModePageObject() )
                        {
                                $areaInp->setValue(     ilUtil::prepareTextareaOutput($questionHint->getText(), true) );
                        }
                        
                        $numInp->setValue($questionHint->getPoints());
                        
                        $hiddenInp->setValue($questionHint->getId());
                }
                else
                {
                        // build form title for a new hint
                        $form->setTitle(sprintf(
                                        $lng->txt('tst_question_hints_form_header_create'),
                                        $this->questionOBJ->getTitle()
                        ));
                }

                if( $this->questionOBJ->isAdditionalContentEditingModePageObject() )
                {
                        if( $questionHint instanceof ilAssQuestionHint )
                        {
                                $saveCmdLabel = $lng->txt('tst_question_hints_form_cmd_save_points');
                        }
                        else
                        {
                                $saveCmdLabel = $lng->txt('tst_question_hints_form_cmd_save_points_and_edit_page');
                        }
                }
                else
                {
                        $saveCmdLabel = $lng->txt('tst_question_hints_form_cmd_save');
                }

                $form->setFormAction($ilCtrl->getFormAction($this));

                $form->addCommandButton(self::CMD_SAVE_FORM, $saveCmdLabel);
                $form->addCommandButton(self::CMD_CANCEL_FORM, $lng->txt('cancel'));

                return $form;
        }

}