class.ilHelpGUI.php

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<?php

/* Copyright (c) 1998-2011 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once ("Services/Help/classes/class.ilHelp.php");

class ilHelpGUI
{
        var $help_sections = array();
        const ID_PART_SCREEN = "screen";
        const ID_PART_SUB_SCREEN = "sub_screen";
        const ID_PART_COMPONENT = "component";
        var $def_screen_id = array();
        var $screen_id = array();
        
        function ilHelpGUI()
        {
                global $ilCtrl;
                                
                $this->ctrl =& $ilCtrl;
        }
        
        function setDefaultScreenId($a_part, $a_id)
        {
                $this->def_screen_id[$a_part] = $a_id;
        }

        function setScreenId($a_id)
        {
                $this->screen_id[self::ID_PART_SCREEN] = $a_id;
        }

        function setSubScreenId($a_id)
        {
                $this->screen_id[self::ID_PART_SUB_SCREEN] = $a_id;
        }

        function setScreenIdComponent($a_comp)
        {
                $this->screen_id_component = $a_comp;
        }
        
        
        function getScreenId()
        {
                $comp = ($this->screen_id_component != "")
                        ? $this->screen_id_component
                        : $this->def_screen_id[self::ID_PART_COMPONENT];
                
                if ($comp == "")
                {
                        return "";
                }
                
                $scr_id = ($this->screen_id[self::ID_PART_SCREEN] != "")
                        ? $this->screen_id[self::ID_PART_SCREEN]
                        : $this->def_screen_id[self::ID_PART_SCREEN];
                
                $sub_scr_id = ($this->screen_id[self::ID_PART_SUB_SCREEN] != "")
                        ? $this->screen_id[self::ID_PART_SUB_SCREEN]
                        : $this->def_screen_id[self::ID_PART_SUB_SCREEN];
                
                $screen_id = $comp."/".
                        $scr_id."/".
                        $sub_scr_id;
                        
                return $screen_id;
        }
        
        
        function addHelpSection($a_help_id, $a_level = 1)
        {
                $this->help_sections[] = array("help_id" => $a_help_id, $a_level);
        }
        
        function hasSections()
        {
                global $ilSetting;
                
                include_once("./Services/Help/classes/class.ilHelpMapping.php");
                return ilHelpMapping::hasScreenIdSections($this->getScreenId());
        }
        
        function getHelpSections()
        {
                include_once("./Services/Help/classes/class.ilHelpMapping.php");
                return ilHelpMapping::getHelpSectionsForId($this->getScreenId(), (int) $_GET["ref_id"]);
        }
        
        function setCtrlPar()
        {
                global $ilCtrl;
                
                /*$h_ids = $sep = "";
                foreach ($this->getHelpSections() as $hs)
                {
                        $h_ids.= $sep.$hs;
                        $sep = ",";
                }*/
                $ilCtrl->setParameterByClass("ilhelpgui", "help_screen_id", $this->getScreenId().".".$_GET["ref_id"]);
        }
        

        function executeCommand()
        {
                $cmd = $this->ctrl->getCmd("showHelp");
                $next_class = $this->ctrl->getNextClass($this);
                
                switch($next_class)
                {
                        default:
                                return $this->$cmd();
                                break;
                }
        }
        
        function showHelp()
        {
                global $ilHelp, $lng, $ilSetting;

                if ($_GET["help_screen_id"] != "")
                {
                        ilSession::set("help_screen_id", $_GET["help_screen_id"]);
                        $help_screen_id = $_GET["help_screen_id"];
                }
                else
                {
                        $help_screen_id = ilSession::get("help_screen_id");
                }
                
                $this->resetCurrentPage();
                
                $id_arr = explode(".", $help_screen_id);
                include_once("./Services/Help/classes/class.ilHelpMapping.php");
                $help_arr = ilHelpMapping::getHelpSectionsForId($id_arr[0], $id_arr[1]);
                
                $hm = (int) $ilSetting->get("help_module");
                
                if ((OH_REF_ID > 0 || $hm > 0) && count($help_arr) > 0)
                {
                        if (OH_REF_ID > 0)
                        {
                                $oh_lm_id = ilObject::_lookupObjId(OH_REF_ID);
                        }
                        else
                        {
                                include_once("./Services/Help/classes/class.ilObjHelpSettings.php");
                                $oh_lm_id = ilObjHelpSettings::lookupModuleLmId($hm);
                        }
                        
                        include_once("./Services/Accordion/classes/class.ilAccordionGUI.php");
                        $acc = new ilAccordionGUI();
                        $acc->setId("oh_acc_".$h_id);
                        $acc->setUseSessionStorage(true);
                        $acc->setBehaviour(ilAccordionGUI::FIRST_OPEN);
                        
                        foreach ($help_arr as $h_id)
                        {
                                include_once("./Modules/LearningModule/classes/class.ilLMObject.php");
                                $st_id = $h_id;
                                
                                if (!ilLMObject::_exists($st_id))
                                {
                                        continue;
                                }

                                $pages = ilLMObject::getPagesOfChapter($oh_lm_id, $st_id);
                                include_once("./Services/UIComponent/GroupedList/classes/class.ilGroupedListGUI.php");
                                $grp_list = new ilGroupedListGUI();
                                foreach ($pages as $pg)
                                { 
                                        $grp_list->addEntry(ilLMObject::_lookupTitle($pg["child"]), "#", "",
                                                "return il.Help.showPage(".$pg["child"].");");
                                }
                                
                                $acc->addItem(ilLMObject::_lookupTitle($st_id), $grp_list->getHTML());
                        }
                        $h_tpl = new ilTemplate("tpl.help.html", true, true, "Services/Help");
                        $h_tpl->setVariable("HEAD", $lng->txt("help"));
                        $h_tpl->setVariable("CONTENT", $acc->getHTML());
                        include_once("./Services/UIComponent/Glyph/classes/class.ilGlyphGUI.php");
                        $h_tpl->setVariable("CLOSE_IMG", ilGlyphGUI::get(ilGlyphGUI::CLOSE));
                        echo $h_tpl->get();
                }
                exit;
        }
        
        function showPage()
        {
                global $lng;
                
                $page_id = (int) $_GET["help_page"];
                
                $h_tpl = new ilTemplate("tpl.help.html", true, true, "Services/Help");
                include_once("./Modules/LearningModule/classes/class.ilLMObject.php");
                
                $h_tpl->setCurrentBlock("backlink");
                $h_tpl->setVariable("TXT_BACK", $lng->txt("back"));
                $h_tpl->setVariable("ONCLICK_BACK",
                        "return il.Help.listHelp(event, true);");
                $h_tpl->parseCurrentBlock();
                
                
                $h_tpl->setVariable("HEAD", $lng->txt("help")." - ".
                        ilLMObject::_lookupTitle($page_id));
                
                include_once("./Services/COPage/classes/class.ilPageUtil.php");
                if (!ilPageUtil::_existsAndNotEmpty("lm", $page_id))
                {
                        exit;
                }
                include_once("./Services/COPage/classes/class.ilPageObject.php");
                include_once("./Services/COPage/classes/class.ilPageObjectGUI.php");

                // get page object
                include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                include_once("./Modules/LearningModule/classes/class.ilLMPageGUI.php");
                $page_gui = new ilLMPageGUI($page_id);
                $cfg = $page_gui->getPageConfig();
                $page_gui->setPresentationTitle("");
                $page_gui->setTemplateOutput(false);
                $page_gui->setHeader("");
                $page_gui->setRawPageContent(true);
                $cfg->setEnablePCType("Map", false);
                $cfg->setEnablePCType("Tabs", false);
                $cfg->setEnablePCType("FileList", false);
                
                $page_gui->getPageObject()->buildDom();
                $int_links = $page_gui->getPageObject()->getInternalLinks();
                $link_xml = $this->getLinkXML($int_links);
                $link_xml.= $this->getLinkTargetsXML();
//echo htmlentities($link_xml);
                $page_gui->setLinkXML($link_xml);
                
                $ret = $page_gui->showPage();

                $h_tpl->setVariable("CONTENT", $ret);
                include_once("./Services/UIComponent/Glyph/classes/class.ilGlyphGUI.php");
                $h_tpl->setVariable("CLOSE_IMG", ilGlyphGUI::get(ilGlyphGUI::CLOSE));

                ilSession::set("help_pg", $page_id);
                
                $page = $h_tpl->get();
                
                // replace style classes
                //$page = str_replace("ilc_text_inline_Strong", "ilHelpStrong", $page);
                
                echo $page;
                exit;
        }
        
        function resetCurrentPage()
        {
                ilSession::clear("help_pg");
        }
        
        
        function getTabTooltipText($a_tab_id)
        {
                global $lng;
                
                include_once("./Services/Help/classes/class.ilHelp.php");
                if ($this->screen_id_component != "")
                {
                        return ilHelp::getTooltipPresentationText($this->screen_id_component."_".$a_tab_id);
                        //return $lng->txt("help_tt_".$this->screen_id_component."_".$a_tab_id);
                }
                return "";
        }
        
        function initHelp($a_tpl)
        {
                global $ilUser, $ilSetting;

                $module_id = (int) $ilSetting->get("help_module");
                
                if ((OH_REF_ID > 0 || $module_id > 0) && $ilUser->getLanguage() == "de")
                {
                        if (ilSession::get("help_pg") > 0)
                        {
                                $a_tpl->addOnLoadCode("il.Help.showCurrentPage(".ilSession::get("help_pg").");", 3);
                        }
                        if ($ilUser->getPref("hide_help_tt"))
                        {
                                $a_tpl->addOnLoadCode("if (il && il.Help) il.Help.switchTooltips();", 3);
                        }
                }
        }
        
        function deactivateTooltips()
        {
                global $ilUser;
                
                $ilUser->writePref("hide_help_tt", "1");
        }
        
        function activateTooltips()
        {
                global $ilUser;
                
                $ilUser->writePref("hide_help_tt", "0");
        }
        
        function getLinkXML($a_int_links)
        {
                global $ilCtrl;

                $link_info = "<IntLinkInfos>";
                foreach ($a_int_links as $int_link)
                {
                        $target = $int_link["Target"];
                        if (substr($target, 0, 4) == "il__")
                        {
                                $target_arr = explode("_", $target);
                                $target_id = $target_arr[count($target_arr) - 1];
                                $type = $int_link["Type"];
                                $targetframe = "None";
                                        
                                // anchor
                                $anc = $anc_add = "";
                                if ($int_link["Anchor"] != "")
                                {
                                        $anc = $int_link["Anchor"];
                                        $anc_add = "_".rawurlencode($int_link["Anchor"]);
                                }

                                switch($type)
                                {
                                        case "PageObject":
                                        case "StructureObject":
                                                        if ($type == "PageObject")
                                                        {
                                                                $href = "#pg_".$target_id;
                                                        }
                                                        else
                                                        {
                                                                $href = "#";
                                                        }
                                                break;

                                }
                                
                                $link_info.="<IntLinkInfo Target=\"$target\" Type=\"$type\" ".
                                        "TargetFrame=\"$targetframe\" LinkHref=\"$href\" LinkTarget=\"\" Anchor=\"\"/>";
                        }
                }
                $link_info.= "</IntLinkInfos>";

                return $link_info;
        }

        function getLinkTargetsXML()
        {
                $link_info = "<LinkTargets>";
                $link_info.="<LinkTarget TargetFrame=\"None\" LinkTarget=\"\" OnClick=\"return il.Help.openLink(event);\" />";
                $link_info.= "</LinkTargets>";
                return $link_info;
        }

}
?>