class.ilContentStyleSettingsGUI.php

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<?php

/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilContentStyleSettingsGUI
{
        protected $ctrl;

        protected $rbacsystem;

        protected $toolbar;

        protected $lng;

        protected $tpl;

        protected $DIC;

        protected $ref_id;

        function __construct(ilObjStyleSettingsGUI $a_parent_gui)
        {
                global $DIC;

                $this->parent_gui = $a_parent_gui;
                $this->dic = $DIC;
                $this->ctrl = $DIC->ctrl();
                $this->rbacsystem = $DIC->rbac()->system();
                $this->toolbar = $DIC->toolbar();
                $this->lng = $DIC->language();
                $this->tpl = $DIC["tpl"];
                $this->ref_id = (int) $_GET["ref_id"];
                $this->obj_id = (int) $_GET["obj_id"];          // note that reference ID is the id of the style settings node and object ID may be a style sheet object ID

                
                include_once("./Services/Style/Content/classes/class.ilContentStyleSettings.php");
                $this->settings = new ilContentStyleSettings();
        }

        function executeCommand()
        {
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd("edit");

                switch ($next_class)
                {
                        case "ilobjstylesheetgui":
                                $this->ctrl->setReturn($this, "edit");
                                include_once("./Services/Style/Content/classes/class.ilObjStyleSheetGUI.php");
                                $style_gui = new ilObjStyleSheetGUI("", $this->obj_id, false, false);
                                $this->ctrl->forwardCommand($style_gui);
                                break;

                        default:
                                $this->parent_gui->prepareOutput();
                                if (in_array($cmd, array("edit", "delete", "toggleGlobalDefault", "toggleGlobalFixed", "setScope", "saveScope", "saveActiveStyles",
                                        "createStyle", "moveLMStyles", "moveIndividualStyles", "deleteStyle", "cancelDelete", "confirmedDelete")))
                                {
                                        $this->$cmd();
                                }
                                else
                                {
                                        die("Unknown command ".$cmd);
                                }
                }
        }

        function checkPermission($a_perm, $a_throw_exc = true)
        {
                if (!$this->rbacsystem->checkAccess($a_perm, $this->ref_id))
                {
                        if ($a_throw_exc)
                        {
                                include_once "Services/Object/exceptions/class.ilObjectException.php";
                                throw new ilObjectException($this->lng->txt("permission_denied"));
                        }
                        return false;
                }
                return true;
        }

        function createStyle()
        {
                global $ilCtrl;

        //      $ilCtrl->setParameterByClass("ilobjstylesheetgui", "new_type", "sty");
                $ilCtrl->redirectByClass("ilobjstylesheetgui", "create");
        }

        function edit()
        {
                $this->checkPermission("visible,read");

                // this may not be cool, if styles are organised as (independent) Service
                include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                include_once("./Services/Style/Content/classes/class.ilObjStyleSheet.php");

                $from_styles = $to_styles = $data = array();
                $styles = $this->settings->getStyles();
                foreach($styles as $style)
                {
                        $style["active"] = ilObjStyleSheet::_lookupActive($style["id"]);
                        $style["lm_nr"] = ilObjContentObject::_getNrOfAssignedLMs($style["id"]);
                        $data[$style["title"].":".$style["id"]]
                                = $style;
                        if ($style["lm_nr"] > 0)
                        {
                                $from_styles[$style["id"]] = $style["title"];
                        }
                        if ($style["active"] > 0)
                        {
                                $to_styles[$style["id"]] = $style["title"];
                        }
                }

                // number of individual styles
                if ($fixed_style <= 0)
                {
                        $data[-1] =
                                array("title" => $this->lng->txt("sty_individual_styles"),
                                        "id" => 0, "lm_nr" => ilObjContentObject::_getNrLMsIndividualStyles());
                        $from_styles[-1] = $this->lng->txt("sty_individual_styles");
                }

                // number of default style (fallback default style)
                if ($default_style <= 0 && $fixed_style <= 0)
                {
                        $data[0] =
                                array("title" => $this->lng->txt("sty_default_style"),
                                        "id" => 0, "lm_nr" => ilObjContentObject::_getNrLMsNoStyle());
                        $from_styles[0] = $this->lng->txt("sty_default_style");
                        $to_styles[0] = $this->lng->txt("sty_default_style");
                }

                if ($this->checkPermission("sty_write_content", false))
                {
                        $this->toolbar->addButton($this->lng->txt("sty_add_content_style"),
                                $this->ctrl->getLinkTarget($this, "createStyle"));
                        $this->toolbar->addSeparator();
                        include_once("./Services/Form/classes/class.ilSelectInputGUI.php");

                        // from styles selector
                        $si = new ilSelectInputGUI($this->lng->txt("sty_move_lm_styles").": ".$this->lng->txt("sty_from"), "from_style");
                        $si->setOptions($from_styles);
                        $this->toolbar->addInputItem($si, true);

                        // from styles selector
                        $si = new ilSelectInputGUI($this->lng->txt("sty_to"), "to_style");
                        $si->setOptions($to_styles);
                        $this->toolbar->addInputItem($si, true);
                        $this->toolbar->addFormButton($this->lng->txt("sty_move_style"), "moveLMStyles");

                        $this->toolbar->setFormAction($this->ctrl->getFormAction($this));
                }

                include_once("./Services/Style/Content/classes/class.ilContentStylesTableGUI.php");
                $table = new ilContentStylesTableGUI($this, "edit", $data, $this->settings);
                $this->tpl->setContent($table->getHTML());

        }

        function moveLMStyles()
        {
                $this->checkPermission("sty_write_content");

                if ($_POST["from_style"] == -1)
                {
                        $this->confirmDeleteIndividualStyles();
                        return;
                }

                include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                ilObjContentObject::_moveLMStyles($_POST["from_style"], $_POST["to_style"]);
                $this->ctrl->redirect($this, "edit");
        }


        function moveIndividualStyles()
        {
                $this->checkPermission("sty_write_content");

                include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                ilObjContentObject::_moveLMStyles(-1, $_GET["to_style"]);
                $this->ctrl->redirect($this, "edit");
        }

        function confirmDeleteIndividualStyles()
        {
                $this->checkPermission("sty_write_content");

                include_once("./Services/Utilities/classes/class.ilConfirmationGUI.php");

                $this->ctrl->setParameter($this, "to_style", $_POST["to_style"]);

                $cgui = new ilConfirmationGUI();
                $cgui->setFormAction($this->ctrl->getFormAction($this));
                $cgui->setHeaderText($this->lng->txt("sty_confirm_del_ind_styles").": ".
                        sprintf($this->lng->txt("sty_confirm_del_ind_styles_desc"),
                                ilObject::_lookupTitle($_POST["to_style"])));
                $cgui->setCancel($this->lng->txt("cancel"), "edit");
                $cgui->setConfirm($this->lng->txt("ok"), "moveIndividualStyles");
                $this->tpl->setContent($cgui->getHTML());
        }



        function deleteStyle()
        {
                $this->checkPermission("sty_write_content");

                if (!isset($_POST["id"]))
                {
                        ilUtil::sendFailure($this->lng->txt("no_checkbox"), true);
                        $this->ctrl->redirect($this, "edit");
                }

                // display confirmation message
                include_once("./Services/Utilities/classes/class.ilConfirmationGUI.php");
                $cgui = new ilConfirmationGUI();
                $cgui->setFormAction($this->ctrl->getFormAction($this));
                $cgui->setHeaderText($this->lng->txt("info_delete_sure"));
                $cgui->setCancel($this->lng->txt("cancel"), "cancelDelete");
                $cgui->setConfirm($this->lng->txt("confirm"), "confirmedDelete");

                foreach ($_POST["id"] as $id)
                {
                        $caption =  ilUtil::getImageTagByType("sty", $this->tpl->tplPath).
                                " ".ilObject::_lookupTitle($id);

                        $cgui->addItem("id[]", $id, $caption);
                }

                $this->tpl->setContent($cgui->getHTML());
        }


        function confirmedDelete()
        {
                global $ilias;

                $this->checkPermission("sty_write_content");

                foreach($_POST["id"] as $id)
                {
                        include_once("./Services/Style/Content/classes/class.ilContentStyleSettings.php");
                        $set = new ilContentStyleSettings();
                        $set->removeStyle($id);
                        $set->update();
                        $style_obj = $ilias->obj_factory->getInstanceByObjId($id);
                        $style_obj->delete();
                }

                $this->ctrl->redirect($this, "edit");
        }


        function toggleGlobalDefault()
        {
                global $ilSetting, $lng;

                $this->checkPermission("sty_write_content");

                if ($_GET["id"] > 0)
                {
                        $ilSetting->delete("fixed_content_style_id");
                        $def_style = $ilSetting->get("default_content_style_id");

                        if ($def_style != $_GET["id"])
                        {
                                $ilSetting->set("default_content_style_id", (int) $_GET["id"]);
                        }
                        else
                        {
                                $ilSetting->delete("default_content_style_id");
                        }
                        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                }
                ilUtil::redirect($this->ctrl->getLinkTarget($this, "edit", "", false, false));
        }

        function toggleGlobalFixed()
        {
                global $ilSetting, $lng;

                $this->checkPermission("sty_write_content");

                if ($_GET["id"] > 0)
                {
                        $ilSetting->delete("default_content_style_id");
                        $fixed_style = $ilSetting->get("fixed_content_style_id");
                        if ($fixed_style == (int) $_GET["id"])
                        {
                                $ilSetting->delete("fixed_content_style_id");
                        }
                        else
                        {
                                $ilSetting->set("fixed_content_style_id", (int) $_GET["id"]);
                        }
                        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                }
                ilUtil::redirect($this->ctrl->getLinkTarget($this, "edit", "", false, false));
        }


        function saveActiveStyles()
        {
                include_once("./Services/Style/Content/classes/class.ilObjStyleSheet.php");
                $styles = $this->settings->getStyles();
                foreach($styles as $style)
                {
                        if ($_POST["std_".$style["id"]] == 1)
                        {
                                ilObjStyleSheet::_writeActive((int) $style["id"], 1);
                        }
                        else
                        {
                                ilObjStyleSheet::_writeActive((int) $style["id"], 0);
                        }
                }
                ilUtil::redirect($this->ctrl->getLinkTarget($this, "edit", "", false, false));
        }

        function showActions($with_subobjects = false)
        {

                // delete
                $this->tpl->setCurrentBlock("tbl_action_btn");
                $this->tpl->setVariable("BTN_NAME", "deleteStyle");
                $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("delete"));
                $this->tpl->parseCurrentBlock();

                // set global default
                $this->tpl->setCurrentBlock("tbl_action_btn");
                $this->tpl->setVariable("BTN_NAME", "toggleGlobalDefault");
                $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("toggleGlobalDefault"));
                $this->tpl->parseCurrentBlock();

                // set global default
                $this->tpl->setCurrentBlock("tbl_action_btn");
                $this->tpl->setVariable("BTN_NAME", "toggleGlobalFixed");
                $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("toggleGlobalFixed"));
                $this->tpl->parseCurrentBlock();

                // set global default
                $this->tpl->setCurrentBlock("tbl_action_btn");
                $this->tpl->setVariable("BTN_NAME", "setScope");
                $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("sty_set_scope"));
                $this->tpl->parseCurrentBlock();

                // save active styles
                $this->tpl->setCurrentBlock("tbl_action_btn");
                $this->tpl->setVariable("BTN_NAME", "saveActiveStyles");
                $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("sty_save_active_styles"));
                $this->tpl->parseCurrentBlock();

                if ($with_subobjects === true)
                {
                        $this->showPossibleSubObjects();
                }

                $this->tpl->setCurrentBlock("tbl_action_row");
                $this->tpl->setVariable("IMG_ARROW", ilUtil::getImagePath("arrow_downright.svg"));
                $this->tpl->parseCurrentBlock();
        }

        function cancelDelete()
        {
                ilUtil::sendInfo($this->lng->txt("msg_cancel"),true);
                $this->ctrl->redirect($this, "edit");

        }

        function setScope()
        {
                global $tpl, $ilCtrl;

                $this->checkPermission("sty_write_content");

                $ilCtrl->saveParameter($this, "id");
                include_once("./Services/Repository/classes/class.ilRepositorySelectorExplorerGUI.php");
                $exp = new ilRepositorySelectorExplorerGUI($this, "setScope",
                        $this, "saveScope", "cat");
                $exp->setTypeWhiteList(array("root", "cat"));
                if (!$exp->handleCommand())
                {
                        $tpl->setContent($exp->getHTML());
                }
        }

        function saveScope()
        {
                global $tree;

                $this->checkPermission("sty_write_content");

                include_once("./Services/Style/Content/classes/class.ilObjStyleSheet.php");
                if ($_GET["cat"] == $tree->readRootId())
                {
                        $_GET["cat"] = "";
                }
                ilObjStyleSheet::_writeScope($_GET["id"], $_GET["cat"]);

                ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);

                ilUtil::redirect($this->ctrl->getLinkTarget($this, "edit", "", false, false));
        }


}

?>