class.ilPCTabs.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2008 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("./Services/COPage/classes/class.ilPageContent.php");

class ilPCTabs extends ilPageContent
{
        var $tabs_node;
        const ACCORDION_HOR = "HorizontalAccordion";
        const ACCORDION_VER = "VerticalAccordion";

        function init()
        {
                $this->setType("tabs");
        }

        function setNode(&$a_node)
        {
                parent::setNode($a_node);               // this is the PageContent node
                $this->tabs_node =& $a_node->first_child();             // this is the Tabs node
        }

        function create(&$a_pg_obj, $a_hier_id, $a_pc_id = "")
        {
                $this->node = $this->createPageContentNode();
                $a_pg_obj->insertContent($this, $a_hier_id, IL_INSERT_AFTER, $a_pc_id);
                $this->tabs_node =& $this->dom->create_element("Tabs");
                $this->tabs_node =& $this->node->append_child($this->tabs_node);
        }

        protected function setTabsAttribute($a_attr, $a_value)
        {
                if (!empty($a_value))
                {
                        $this->tabs_node->set_attribute($a_attr, $a_value);
                }
                else
                {
                        if ($this->tabs_node->has_attribute($a_attr))
                        {
                                $this->tabs_node->remove_attribute($a_attr);
                        }
                }
        }

        function setTabType($a_type = "HorizontalTabs")
        {
                switch ($a_type)
                {
                        case ilPCTabs::ACCORDION_VER:
                        case ilPCTabs::ACCORDION_HOR:
                                $this->tabs_node->set_attribute("Type", $a_type);
                                break;
                }
        }

        function getTabType()
        {
                return $this->tabs_node->get_attribute("Type");
        }
        
        function setContentWidth($a_val)
        {
                $this->setTabsAttribute("ContentWidth", $a_val);
        }
        
        function getContentWidth()
        {
                return $this->tabs_node->get_attribute("ContentWidth");
        }
        
        function setContentHeight($a_val)
        {
                $this->setTabsAttribute("ContentHeight", $a_val);
        }
        
        function getContentHeight()
        {
                return $this->tabs_node->get_attribute("ContentHeight");
        }

        function setHorizontalAlign($a_val)
        {
                $this->setTabsAttribute("HorizontalAlign", $a_val);
        }
        
        function getHorizontalAlign()
        {
                return $this->tabs_node->get_attribute("HorizontalAlign");
        }

        function setBehavior($a_val)
        {
                $this->setTabsAttribute("Behavior", $a_val);
        }
        
        function getBehavior()
        {
                return $this->tabs_node->get_attribute("Behavior");
        }
        
        function getCaptions()
        {
                $captions = array();
                $tab_nodes = $this->tabs_node->child_nodes();
                $k = 0;
                for($i = 0; $i < count($tab_nodes); $i++)
                {
                        if ($tab_nodes[$i]->node_name() == "Tab")
                        {
                                $pc_id = $tab_nodes[$i]->get_attribute("PCID");
                                $hier_id = $tab_nodes[$i]->get_attribute("HierId");

                                $tab_node_childs = $tab_nodes[$i]->child_nodes();
                                $current_caption = "";
                                for($j = 0; $j < count($tab_node_childs); $j++)
                                {
                                        if ($tab_node_childs[$j]->node_name() == "TabCaption")
                                        {
                                                $current_caption = $tab_node_childs[$j]->get_content();
                                        }
                                }
                                $captions[] = array("pos" => $k,
                                        "caption" => $current_caption, "pc_id" => $pc_id, "hier_id" => $hier_id);
                                $k++;
                        }
                }
                
                return $captions;
        }

        function getCaption($a_hier_id, $a_pc_id)
        {
                $captions = array();
                $tab_nodes = $this->tabs_node->child_nodes();
                $k = 0;
                for($i = 0; $i < count($tab_nodes); $i++)
                {
                        if ($tab_nodes[$i]->node_name() == "Tab")
                        {
                                if ($a_pc_id == $tab_nodes[$i]->get_attribute("PCID") &&
                                        ($a_hier_id == $tab_nodes[$i]->get_attribute("HierId")))
                                {
                                        $tab_node_childs = $tab_nodes[$i]->child_nodes();
                                        for($j = 0; $j < count($tab_node_childs); $j++)
                                        {
                                                if ($tab_node_childs[$j]->node_name() == "TabCaption")
                                                {
                                                        return $tab_node_childs[$j]->get_content();
                                                }
                                        }
                                }
                        }
                }
                
                return "";
        }

        function savePositions($a_pos)
        {
                asort($a_pos);
                
                // File Item
                $childs = $this->tabs_node->child_nodes();
                $nodes = array();
                for ($i=0; $i<count($childs); $i++)
                {
                        if ($childs[$i]->node_name() == "Tab")
                        {
                                $pc_id = $childs[$i]->get_attribute("PCID");
                                $hier_id = $childs[$i]->get_attribute("HierId");
                                $nodes[$hier_id.":".$pc_id] = $childs[$i];
                                $childs[$i]->unlink($childs[$i]);
                        }
                }
                
                foreach($a_pos as $k => $v)
                {
                        if (is_object($nodes[$k]))
                        {
                                $nodes[$k] = $this->tabs_node->append_child($nodes[$k]);
                        }
                }
        }

        function saveCaptions($a_captions)
        {
                // iterate all tab nodes
                $tab_nodes = $this->tabs_node->child_nodes();
                for($i = 0; $i < count($tab_nodes); $i++)
                {
                        if ($tab_nodes[$i]->node_name() == "Tab")
                        {
                                $pc_id = $tab_nodes[$i]->get_attribute("PCID");
                                $hier_id = $tab_nodes[$i]->get_attribute("HierId");
                                $k = $hier_id.":".$pc_id;
                                // if caption given, set it, otherwise delete caption subitem
                                if ($a_captions[$k] != "")
                                {
                                        ilDOMUtil::setFirstOptionalElement($this->dom, $tab_nodes[$i], "TabCaption",
                                                array(), $a_captions[$k], array());
                                }
                                else
                                {
                                        ilDOMUtil::deleteAllChildsByName($tab_nodes[$i], array("TabCaption"));
                                }
                        }
                }
        }

        function deleteTab($a_hier_id, $a_pc_id)
        {
                // File Item
                $childs = $this->tabs_node->child_nodes();
                $nodes = array();
                for ($i=0; $i<count($childs); $i++)
                {
                        if ($childs[$i]->node_name() == "Tab")
                        {
                                if ($a_pc_id == $childs[$i]->get_attribute("PCID") &&
                                        $a_hier_id == $childs[$i]->get_attribute("HierId"))
                                {
                                        $childs[$i]->unlink($childs[$i]);
                                }
                        }
                }
        }

        function addTab($a_caption)
        {
                $new_item = $this->dom->create_element("Tab");
                $new_item = $this->tabs_node->append_child($new_item);
                ilDOMUtil::setFirstOptionalElement($this->dom, $new_item, "TabCaption",
                        array(), $a_caption, array());
        }
        
        function setTemplate($a_template)
        {
                $this->setTabsAttribute("Template", $a_template);
        }

        function getTemplate()
        {
                return $this->tabs_node->get_attribute("Template");
        }

        static function getLangVars()
        {
                return array("pc_vacc", "pc_hacc");
        }

}
?>