class.ilPageContentGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once("./Services/COPage/classes/class.ilPageContent.php");

class ilPageContentGUI
{
        var $content_obj;
        var $ilias;
        var $tpl;
        var $lng;
        var $ctrl;
        var $pg_obj;
        var $hier_id;
        var $dom;
        var $updated;
        var $target_script;
        var $return_location;
        var $page_config = null;

        // common bb buttons (special ones are iln and wln)
        protected static $common_bb_buttons = array(
                "str" => "Strong", "emp" => "Emph", "imp" => "Important", "com" => "Comment",
                "quot" => "Quotation", "acc" => "Accent", "code" => "Code", "tex" => "Tex",
                "fn" => "Footnote", "xln" => "ExternalLink"
                );

        function ilPageContentGUI($a_pg_obj, $a_content_obj, $a_hier_id = 0, $a_pc_id = "")
        {
                global $ilias, $tpl, $lng, $ilCtrl;
                $this->ilias = $ilias;
                $this->tpl = $tpl;
                $this->lng = $lng;
                $this->pg_obj = $a_pg_obj;
                $this->ctrl = $ilCtrl;
                $this->content_obj = $a_content_obj;

                if($a_hier_id !== 0)
                {
                        $this->hier_id = $a_hier_id;
                        $this->pc_id = $a_pc_id;
//echo "-".$this->pc_id."-";
                        $this->dom = $a_pg_obj->getDom();
                }
        }

        function setContentObject($a_val)
        {
                $this->content_obj = $a_val;
        }
        
        function getContentObject()
        {
                return $this->content_obj;
        }
        
        function setPage($a_val)
        {
                $this->pg_obj = $a_val;
        }
        
        function getPage()
        {
                return $this->pg_obj;
        }

        function setPageConfig($a_val)
        {
                $this->page_config = $a_val;
        }

        function getPageConfig()
        {
                return $this->page_config;
        }

        static function _getCommonBBButtons()
        {
                return self::$common_bb_buttons;
        }

        // scorm2004-start
        function setStyleId($a_styleid)
        {
                $this->styleid = $a_styleid;
        }

        function getStyleId()
        {
                return $this->styleid;
        }

        function getStyle()
        {
                if ((!is_object($this->style) || $this->getStyleId() != $this->style->getId()) && $this->getStyleId() > 0)
                {
                        if (ilObject::_lookupType($this->getStyleId()) == "sty")
                        {
                                include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
                                $this->style = new ilObjStyleSheet($this->getStyleId());
                        }
                }
                
                return $this->style;
        }
        
        protected function getCharacteristicsOfCurrentStyle($a_type)
        {
                if ($this->getStyleId() > 0 &&
                        ilObject::_lookupType($this->getStyleId()) == "sty")
                {
                        include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
                        $style = new ilObjStyleSheet($this->getStyleId());
                        $chars = array();
                        if (!is_array($a_type))
                        {
                                $a_type = array($a_type);
                        }
                        foreach ($a_type as $at)
                        {
                                $chars = array_merge($chars, $style->getCharacteristics($at, true));
                        }
                        $new_chars = array();
                        if (is_array($chars))
                        {
                                foreach ($chars as $char)
                                {
                                        if ($this->chars[$char] != "")  // keep lang vars for standard chars
                                        {
                                                $new_chars[$char] = $this->chars[$char];
                                        }
                                        else
                                        {
                                                $new_chars[$char] = $char;
                                        }
                                        asort($new_chars);
                                }
                        }
                        $this->setCharacteristics($new_chars);
                }
        }

        function setCharacteristics($a_chars)
        {
                $this->chars = $a_chars;
        }

        function getCharacteristics()
        {
                return $this->chars ? $this->chars : array();
        }
        // scorm2004-end


        function getHierId()
        {
                return $this->hier_id;
        }

        function setHierId($a_hier_id)
        {
                $this->hier_id = $a_hier_id;
        }

        function getBBMenu($a_ta_name = "par_content")
        {
                global $lng, $ilCtrl;
                
                include_once("./Services/COPage/classes/class.ilPageEditorSettings.php");
                
                $btpl = new ilTemplate("tpl.bb_menu.html", true, true, "Services/COPage");

                // not nice, should be set by context per method
                //if ($this->pg_obj->getParentType() == "gdf" ||
                //      $this->pg_obj->getParentType() == "lm" ||
                //      $this->pg_obj->getParentType() == "dbk")
                if ($this->getPageConfig()->getEnableInternalLinks())
                {
                        $btpl->setCurrentBlock("bb_ilink_button");
                        $btpl->setVariable("BB_LINK_ILINK",
                                $this->ctrl->getLinkTargetByClass("ilInternalLinkGUI", "showLinkHelp"));
                        $btpl->parseCurrentBlock();
                        
                        // add int link parts
                        include_once("./Modules/LearningModule/classes/class.ilInternalLinkGUI.php");
                        $btpl->setCurrentBlock("int_link_prep");
                        $btpl->setVariable("INT_LINK_PREP", ilInternalLinkGUI::getInitHTML(
                                $ilCtrl->getLinkTargetByClass(array("ilpageeditorgui", "ilinternallinkgui"),
                                                "", false, true, false), true));
                        $btpl->parseCurrentBlock();

                }
                
                if ($this->getPageConfig()->getEnableKeywords())
                {
                        $btpl->touchBlock("bb_kw_button");
                        $btpl->setVariable("TXT_KW", $this->lng->txt("cont_text_keyword"));
                }
                if ($this->pg_obj->getParentType() == "wpg")
                {
                        $btpl->setCurrentBlock("bb_wikilink_button");
                        $btpl->setVariable("TXT_WLN2", $lng->txt("wiki_wiki_page"));
                        $btpl->parseCurrentBlock();
                }
                $mathJaxSetting = new ilSetting("MathJax");
                $style = $this->getStyle();
//echo URL_TO_LATEX;
                foreach (self::$common_bb_buttons as $c => $st)
                {
                        if (ilPageEditorSettings::lookupSettingByParentType($this->pg_obj->getParentType(), "active_".$c, true))
                        {
                                if ($c != "tex" || $mathJaxSetting->get("enable") || defined("URL_TO_LATEX"))
                                {
                                        $btpl->touchBlock("bb_".$c."_button");
                                        $btpl->setVariable("TXT_".strtoupper($c), $this->lng->txt("cont_text_".$c));
                                }
                        }
                }
                
                if ($this->getPageConfig()->getEnableAnchors())
                {
                        $btpl->touchBlock("bb_anc_button");
                        $btpl->setVariable("TXT_ANC", $lng->txt("cont_anchor").":");
                }
                
                // footnote
//              $btpl->setVariable("TXT_FN", $this->lng->txt("cont_text_fn"));
                
//              $btpl->setVariable("TXT_CODE", $this->lng->txt("cont_text_code"));
                $btpl->setVariable("TXT_ILN", $this->lng->txt("cont_text_iln"));
//              $btpl->setVariable("TXT_XLN", $this->lng->txt("cont_text_xln"));
//              $btpl->setVariable("TXT_TEX", $this->lng->txt("cont_text_tex"));
                $btpl->setVariable("TXT_BB_TIP", $this->lng->txt("cont_bb_tip"));
                $btpl->setVariable("TXT_WLN", $lng->txt("wiki_wiki_page"));
                
                $btpl->setVariable("PAR_TA_NAME", $a_ta_name);
                
                return $btpl->get();
        }

        function delete()
        {
                $updated = $this->pg_obj->deleteContent($this->hier_id);
                if($updated !== true)
                {
                        $_SESSION["il_pg_error"] = $updated;
                }
                else
                {
                        unset($_SESSION["il_pg_error"]);
                }
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }

        function moveAfter()
        {
                // check if a target is selected
                if(!isset($_POST["target"]))
                {
                        $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
                }

                // check if only one target is selected
                if(count($_POST["target"]) > 1)
                {
                        $this->ilias->raiseError($this->lng->txt("only_one_target"),$this->ilias->error_obj->MESSAGE);
                }

                $a_hid = explode(":", $_POST["target"][0]);
//echo "-".$a_hid[0]."-".$a_hid[1]."-";

                // check if target is within source
                if($this->hier_id == substr($a_hid[0], 0, strlen($this->hier_id)))
                {
                        $this->ilias->raiseError($this->lng->txt("cont_target_within_source"),$this->ilias->error_obj->MESSAGE);
                }

                // check whether target is allowed
                $curr_node =& $this->pg_obj->getContentNode($a_hid[0], $a_hid[1]);
                if (is_object($curr_node) && $curr_node->node_name() == "FileItem")
                {
                        $this->ilias->raiseError($this->lng->txt("cont_operation_not_allowed"),$this->ilias->error_obj->MESSAGE);
                }

                // strip "c" "r" of table ids from hierarchical id
                $first_hier_character = substr($a_hid[0], 0, 1);
                if ($first_hier_character == "c" ||
                        $first_hier_character == "r" ||
                        $first_hier_character == "i")
                {
                        $a_hid[0] = substr($a_hid[0], 1);
                }

                // move
                $updated = $this->pg_obj->moveContentAfter($this->hier_id, $a_hid[0],
                        $this->content_obj->getPcId(), $a_hid[1]);
                if($updated !== true)
                {
                        $_SESSION["il_pg_error"] = $updated;
                }
                else
                {
                        unset($_SESSION["il_pg_error"]);
                }

                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }

        function moveBefore()
        {
                // check if a target is selected
                if(!isset($_POST["target"]))
                {
                        $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
                }

                // check if target is within source
                if(count($_POST["target"]) > 1)
                {
                        $this->ilias->raiseError($this->lng->txt("only_one_target"),$this->ilias->error_obj->MESSAGE);
                }

                $a_hid = explode(":", $_POST["target"][0]);
                
                // check if target is within source
                if($this->hier_id == substr($a_hid[0], 0, strlen($this->hier_id)))
                {
                        $this->ilias->raiseError($this->lng->txt("cont_target_within_source"),$this->ilias->error_obj->MESSAGE);
                }

                // check whether target is allowed
                $curr_node =& $this->pg_obj->getContentNode($a_hid[0], $a_hid[1]);
                if (is_object($curr_node) && $curr_node->node_name() == "FileItem")
                {
                        $this->ilias->raiseError($this->lng->txt("cont_operation_not_allowed"),$this->ilias->error_obj->MESSAGE);
                }

                // strip "c" "r" of table ids from hierarchical id
                $first_hier_character = substr($a_hid[0], 0, 1);
                if ($first_hier_character == "c" ||
                        $first_hier_character == "r" ||
                        $first_hier_character == "i")
                {
                        $a_hid[0] = substr($a_hid[0], 1);
                }

                // move
                $updated = $this->pg_obj->moveContentBefore($this->hier_id, $a_hid[0],
                        $this->content_obj->getPcId(), $a_hid[1]);
                if($updated !== true)
                {
                        $_SESSION["il_pg_error"] = $updated;
                }
                else
                {
                        unset($_SESSION["il_pg_error"]);
                }
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }
        
        
        function splitPage()
        {
                global $ilErr;
                
                if ($this->pg_obj->getParentType() != "lm" &&
                        $this->pg_obj->getParentType() != "dbk")
                {
                        $ilErr->raiseError("Split method called for wrong parent type (".
                        $this->pg_obj->getParentType().")", $ilErr->FATAL);
                }
                else
                {
                        $lm_page =& ilLMPageObject::_splitPage($this->pg_obj->getId(),
                                $this->pg_obj->getParentType(), $this->hier_id);
                                
                        // jump to new page
                        $this->ctrl->setParameterByClass("illmpageobjectgui", "obj_id", $lm_page->getId());
                        $this->ctrl->redirectByClass("illmpageobjectgui", "edit");
                }
                
                $this->ctrl->returnToParent($this, "jump".($this->hier_id - 1));
        }

        function splitPageNext()
        {
                global $ilErr;
                
                if ($this->pg_obj->getParentType() != "lm" &&
                        $this->pg_obj->getParentType() != "dbk")
                {
                        $ilErr->raiseError("Split method called for wrong parent type (".
                        $this->pg_obj->getParentType().")", $ilErr->FATAL);
                }
                else
                {
                        $succ_id = ilLMPageObject::_splitPageNext($this->pg_obj->getId(),
                                $this->pg_obj->getParentType(), $this->hier_id);
                        
                        // jump to successor page
                        if ($succ_id > 0)
                        {
                                $this->ctrl->setParameterByClass("illmpageobjectgui", "obj_id", $succ_id);
                                $this->ctrl->redirectByClass("illmpageobjectgui", "edit");
                        }

                }
                $this->ctrl->returnToParent($this, "jump".($this->hier_id - 1));
        }

        function displayValidationError()
        {
                if(is_array($this->updated))
                {
                        $error_str = "<b>Error(s):</b><br>";
                        foreach ($this->updated as $error)
                        {
                                $err_mess = implode($error, " - ");
                                if (!is_int(strpos($err_mess, ":0:")))
                                {
                                        $error_str .= htmlentities($err_mess)."<br />";
                                }
                        }
                        $this->tpl->setVariable("MESSAGE", $error_str);
                }
                else if($this->updated != "" && $this->updated !== true)
                {
                        $this->tpl->setVariable("MESSAGE", "<b>Error(s):</b><br />".
                                $this->updated."<br />");
                }
        }
        
        function cancelCreate()
        {
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }

        function cancelUpdate()
        {
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }

        function cancel()
        { 
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }

        function deactivate() 
        {               
                $obj = & $this->content_obj;
                
                if ($obj->isEnabled ()) 
                        $obj->disable ();
                else
                        $obj->enable ();
                
                $updated = $this->pg_obj->update($this->hier_id);
                if($updated !== true)
                {
                        $_SESSION["il_pg_error"] = $updated;
                }
                else
                {
                        unset($_SESSION["il_pg_error"]);
                }
        
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);              
        }

        function cut() 
        {
                global $lng;
                
                $obj = $this->content_obj;
                
                $updated = $this->pg_obj->cutContents(array($this->hier_id.":".$this->pc_id));
                if($updated !== true)
                {
                        $_SESSION["il_pg_error"] = $updated;
                }
                else
                {
                        unset($_SESSION["il_pg_error"]);
                }
        
                ilUtil::sendSuccess($lng->txt("cont_sel_el_cut_use_paste"), true);
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);              
        }

        function copy() 
        {
                global $lng;
                
                $obj = $this->content_obj;
                
                ilUtil::sendSuccess($lng->txt("cont_sel_el_copied_use_paste"), true);
                $this->pg_obj->copyContents(array($this->hier_id.":".$this->pc_id));
  
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);              
        }


        function getTemplateOptions($a_type)
        {
                $style = $this->getStyle();

                if (is_object($style))
                {
                        $ts = $style->getTemplates($a_type);
                        $options = array();
                        foreach ($ts as $t)
                        {
                                $options["t:".$t["id"].":".$t["name"]] = $t["name"];
                        }
                        return $options;
                }
                return array();
        }

}
?>