class.ilMultipleTextsInputGUI.php

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

require_once 'Services/Form/classes/class.ilIdentifiedMultiValuesInputGUI.php';

abstract class ilMultipleTextsInputGUI extends ilIdentifiedMultiValuesInputGUI
{
        protected $editElementOccuranceEnabled = false;
        
        protected $editElementOrderEnabled = false;
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
                $this->validationRegexp = "";
        }
        
        public function isEditElementOccuranceEnabled()
        {
                return $this->editElementOccuranceEnabled;
        }
        
        public function setEditElementOccuranceEnabled($editElementOccuranceEnabled)
        {
                $this->editElementOccuranceEnabled = $editElementOccuranceEnabled;
        }
        
        public function isEditElementOrderEnabled()
        {
                return $this->editElementOrderEnabled;
        }
        
        public function setEditElementOrderEnabled($editElementOrderEnabled)
        {
                $this->editElementOrderEnabled = $editElementOrderEnabled;
        }
        
        function onCheckInput()
        {
                global $lng;
                
                $submittedElements = $_POST[$this->getPostVar()];
                
                if( !is_array($submittedElements) && $this->getRequired() )
                {
                        $this->setAlert($lng->txt("msg_input_is_required"));
                        return false;
                }
                
                foreach($submittedElements as $submittedValue)
                {
                        $submittedContentText = $this->fetchContentTextFromValue($submittedValue);
                        
                        if ($this->getRequired() && trim($submittedContentText) == "")
                        {
                                $this->setAlert($lng->txt('msg_input_is_required'));
                                return false;
                        }
                        
                        if( strlen($this->getValidationRegexp()) )
                        {
                                if( !preg_match($this->getValidationRegexp(), $submittedContentText) )
                                {
                                        $this->setAlert($lng->txt('msg_wrong_format'));
                                        return false;
                                }
                        }
                }

                return $this->checkSubItemsInput();
        }
        
        public function render($a_mode = "")
        {
                $tpl = new ilTemplate("tpl.prop_multi_text_inp.html", true, true, "Services/Form");
                $i = 0;
                foreach ($this->getIdentifiedMultiValues() as $identifier => $value)
                {
                        if (strlen($value))
                        {
                                $tpl->setCurrentBlock("prop_text_propval");
                                $tpl->setVariable("PROPERTY_VALUE", ilUtil::prepareFormOutput($value));
                                $tpl->parseCurrentBlock();
                        }
                        if ($this->isEditElementOrderEnabled())
                        {
                                $tpl->setCurrentBlock("move");
                                $tpl->setVariable("ID_UP", $this->getMultiValuePosIndexedSubFieldId($identifier, 'up', $i));
                                $tpl->setVariable("ID_DOWN", $this->getMultiValuePosIndexedSubFieldId($identifier, 'down', $i));
                                $tpl->setVariable("CMD_UP", $this->buildMultiValueSubmitVar($identifier, $i, 'up'));
                                $tpl->setVariable("CMD_DOWN", $this->buildMultiValueSubmitVar($identifier, $i, 'down'));
                                $tpl->setVariable("ID", $this->getMultiValuePosIndexedFieldId($identifier, $i));
                                include_once("./Services/UIComponent/Glyph/classes/class.ilGlyphGUI.php");
                                $tpl->setVariable("UP_BUTTON", ilGlyphGUI::get(ilGlyphGUI::UP));
                                $tpl->setVariable("DOWN_BUTTON", ilGlyphGUI::get(ilGlyphGUI::DOWN));
                                $tpl->parseCurrentBlock();
                        }
                        $tpl->setCurrentBlock("row");
                        $tpl->setVariable("POST_VAR", $this->getMultiValuePostVarPosIndexed($identifier, $i));
                        $tpl->setVariable("ID", $this->getMultiValuePosIndexedFieldId($identifier, $i));
                        $tpl->setVariable("SIZE", $this->getSize());
                        $tpl->setVariable("MAXLENGTH", $this->getMaxLength());
                        
                        if ($this->getDisabled())
                        {
                                $tpl->setVariable("DISABLED",
                                        " disabled=\"disabled\"");
                        }
                        elseif( $this->isEditElementOccuranceEnabled() )
                        {
                                $tpl->setVariable("ID_ADD", $this->getMultiValuePosIndexedSubFieldId($identifier, 'add', $i));
                                $tpl->setVariable("ID_REMOVE", $this->getMultiValuePosIndexedSubFieldId($identifier, 'remove', $i));
                                $tpl->setVariable("CMD_ADD", $this->buildMultiValueSubmitVar($identifier, $i, 'add'));
                                $tpl->setVariable("CMD_REMOVE", $this->buildMultiValueSubmitVar($identifier, $i, 'remove'));
                                include_once("./Services/UIComponent/Glyph/classes/class.ilGlyphGUI.php");
                                $tpl->setVariable("ADD_BUTTON", ilGlyphGUI::get(ilGlyphGUI::ADD));
                                $tpl->setVariable("REMOVE_BUTTON", ilGlyphGUI::get(ilGlyphGUI::REMOVE));
                        }
                        
                        $tpl->parseCurrentBlock();
                        $i++;
                }
                $tpl->setVariable("ELEMENT_ID", $this->getFieldId());
                
                if (!$this->getDisabled())
                {
                        $tpl->setCurrentBlock('js_engine_initialisation');
                        $tpl->touchBlock('js_engine_initialisation');
                        $tpl->parseCurrentBlock();
                        
                        $globalTpl = $GLOBALS['DIC'] ? $GLOBALS['DIC']['tpl'] : $GLOBALS['tpl'];
                        $globalTpl->addJavascript("./Services/Form/js/ServiceFormWizardInput.js");
                        $globalTpl->addJavascript("./Services/Form/js/ServiceFormIdentifiedWizardInputExtend.js");
                }
                
                return $tpl->get();
        }
        
        protected function valueHasContentText($value)
        {
                if( $value === null || is_array($value) || is_object($value) )
                {
                        return false;
                }
                
                return (bool)strlen($value);
        }
        
        protected function fetchContentTextFromValue($value)
        {
                if( $this->valueHasContentText($value) )
                {
                        return $value;
                }
                
                return null;
        }
}