content/classes/Pages/class.ilPageContentGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

require_once("./content/classes/Pages/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;

        function ilPageContentGUI(&$a_pg_obj, &$a_content_obj, $a_hier_id = 0)
        {
                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->dom =& $a_pg_obj->getDom();
                }
        }

        /*
        function setTargetScript($a_target_script)
        {
                $this->target_script = $a_target_script;
        }

        function getTargetScript()
        {
                return $this->target_script;
        }

        function setReturnLocation($a_location)
        {
                $this->return_location = $a_location;
        }

        function getReturnLocation()
        {
                return $this->return_location;
        }*/

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

        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);
                }

                // check if target is within source
                if($this->hier_id == substr($_POST["target"][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 =& $this->pg_obj->getContentNode($_POST["target"][0]);
                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
                $first_hier_character = substr($_POST["target"][0], 0, 1);
                if ($first_hier_character == "c" ||
                        $first_hier_character == "r" ||
                        $first_hier_character == "i")
                {
                        $_POST["target"][0] = substr($_POST["target"][0], 1);
                }

                // move
                $updated = $this->pg_obj->moveContentAfter($this->hier_id, $_POST["target"][0]);
                if($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);
                }

                // check if target is within source
                if($this->hier_id == substr($_POST["target"][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 =& $this->pg_obj->getContentNode($_POST["target"][0]);
                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
                $first_hier_character = substr($_POST["target"][0], 0, 1);
                if ($first_hier_character == "c" ||
                        $first_hier_character == "r" ||
                        $first_hier_character == "i")
                {
                        $_POST["target"][0] = substr($_POST["target"][0], 1);
                }

                // move
                $updated = $this->pg_obj->moveContentBefore($this->hier_id, $_POST["target"][0]);
                if($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", "view");
                }
                
                $this->ctrl->returnToParent($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", "view");
                        }

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

        function displayValidationError()
        {
                if(is_array($this->updated))
                {
                        $error_str = "<b>Validation Error(s):</b><br>";
                        foreach ($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>Validation 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 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);              
        }

}
?>