Class ilForumExplorer class for explorer view of forum posts. More...

Collaboration diagram for ilForumExplorer:

Public Member Functions
	__construct (ilObjForumGUI $gui, ilForumTopic $topic, ilForumProperties $properties)
	Constructor @access public. More...

	render ()

	fillTreeTemplate ()

	getHtml ()
	This method returns the tree html for the forum template @access public. More...

Static Public Member Functions
static	getTreeNodeHtml ($object, ilObjForumGUI $gui, $pageHits)
	Returns the html used for a single forum tree node @access public. More...

Protected Attributes
	$tpl

	$gui

	$topic

	$properties

	$root_id

Detailed Description

Class ilForumExplorer class for explorer view of forum posts.

Author: Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om; Nadia Ahmad nahma.nosp@m.d@da.nosp@m.tabay.nosp@m..de; Andreas Kordosz akord.nosp@m.osz@.nosp@m.datab.nosp@m.ay.d.nosp@m.e

Version: $Id$

Definition at line 17 of file class.ilForumExplorer.php.

Constructor & Destructor Documentation

◆ __construct()

ilForumExplorer::__construct	(	ilObjForumGUI	$gui,
		ilForumTopic	$topic,
		ilForumProperties	$properties
	)

Constructor @access public.

Definition at line 64 of file class.ilForumExplorer.php.

        {
                global $tpl, $ilCtrl;
 
                $this->gui        = $gui;
                $this->topic      = $topic;
                $this->properties = $properties;
 
                $this->tpl = new ilTemplate('tpl.frm_tree.html', true, true, 'Modules/Forum');
 
                ilYuiUtil::initConnection();
                $tpl->addJavaScript(ilYuiUtil::getLocalPath() . '/yahoo/yahoo-min.js');
                $tpl->addJavaScript(ilYuiUtil::getLocalPath() . '/event/event-min.js');
                $tpl->addJavaScript('./Modules/Forum/js/treeview.js');
                $tpl->addJavaScript('./Modules/Forum/js/treeview_extensions.js');
                $tpl->addCss('./Modules/Forum/css/forum_tree.css');
 
                // Set ref_id for urls
                $ilCtrl->setParameter($this->gui, 'thr_pk', $this->topic->getId());
                $ilCtrl->setParameter($this->gui, 'backurl', null);
 
                // Set urls for async commands
                $this->tpl->setVariable('THR_TREE_STATE_URL', $ilCtrl->getLinkTarget($this->gui, 'setTreeStateAsynch', '', true, false));
                $this->tpl->setVariable('THR_TREE_FETCH_CHILDREN_URL', $ilCtrl->getLinkTarget($this->gui, 'fetchTreeChildrenAsync', '', true, false));
 
                // Fetch root id of the thread node
                $this->root_id = $this->topic->getFirstPostNode()->getId();
 
                if(!is_array($_SESSION['frm'][$this->topic->getId()]['openTreeNodes']))
                {
                        $_SESSION['frm'][(int)$this->topic->getId()]['openTreeNodes'] = array(0);
                }
 
                // Prevent key gaps
                shuffle($_SESSION['frm'][(int)$this->topic->getId()]['openTreeNodes']);
        }

References $_SESSION, $gui, $ilCtrl, $properties, $topic, $tpl, ilYuiUtil\getLocalPath(), and ilYuiUtil\initConnection().

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Member Function Documentation

◆ fillTreeTemplate()

ilForumExplorer::fillTreeTemplate ( )

Definition at line 108 of file class.ilForumExplorer.php.

        {               
                $emptyOnLoad = false;
 
                $nodes_to_request = $_SESSION['frm'][(int)$this->topic->getId()]['openTreeNodes'];
                if(!$_SESSION['frm'][(int)$this->topic->getId()]['openTreeNodes'] ||
                   (count($_SESSION['frm'][(int)$this->topic->getId()]['openTreeNodes']) == 1 && $_SESSION['frm'][(int)$this->topic->getId()]['openTreeNodes'][0] == 0))
                {
                        $emptyOnLoad = true;
                        $nodes_to_request = array();
                }
 
                $objects = $this->topic->getNestedSetPostChildren(null, $nodes_to_request);
 
                $counter = 0;
 
                $onloadNodes              = array();
                $nodesFetchedWithChildren = array();
 
                $frm      = new ilForum();
                $pageHits = $frm->getPageHits();
 
                include_once 'Services/JSON/classes/class.ilJsonUtil.php';
 
                foreach($objects as $object)
                {
                        if($object['pos_pk'] != $this->root_id &&
                                !in_array($object['parent_pos'], $onloadNodes)
                        )
                        {
                                continue;
                        }
 
                        if(in_array((int)$object['parent_pos'], $onloadNodes) &&
                                !in_array((int)$object['parent_pos'], $nodesFetchedWithChildren)
                        )
                        {
                                $nodesFetchedWithChildren[] = (int)$object['parent_pos'];
                        }
 
                        $html = self::getTreeNodeHtml(
                                $object, $this->gui, $pageHits
                        );
 
                        $hasChildren = ($object['children'] >= 1);
 
                        $node       = new stdClass();
                        $node->html = $html;
 
                        if($object['pos_pk'] == $this->root_id)
                        {
                                $this->tpl->setVariable('FRM_TREE_ROOT_NODE_VARIABLE', 'frmNode' . $object['pos_pk']);
                                $this->tpl->setVariable('FRM_TREE_ROOT_NODE_LINK', ilJsonUtil::encode($node));
                                $this->tpl->setVariable('FRM_TREE_ROOT_NODE_HAS_CHILDREN', $hasChildren ? 'true' : 'false');
                        }
                        else
                        {
                                $this->tpl->setCurrentBlock('frm_nodes');
                                $this->tpl->setVariable('FRM_NODES_VARNAME', 'frmNode' . $object['pos_pk']);
                                $this->tpl->setVariable('FRM_NODES_PARENT_VARNAME', 'frmNode' . $object['parent_pos']);
                                $this->tpl->setVariable('FRM_NODES_LINK', ilJsonUtil::encode($node));
                                $this->tpl->setVariable('FRM_NODES_HAS_CHILDREN', $hasChildren ? 'true' : 'false');
                                $this->tpl->parseCurrentBlock();
                        }
 
                        $onloadNodes[] = (int)$object['pos_pk'];
 
                        ++$counter;
                }
                $this->tpl->setVariable('THR_ONLOAD_NODES', ilJsonUtil::encode($onloadNodes));
                $this->tpl->setVariable('THR_ONLOAD_NODES_FETCHED_WITH_CHILDREN', ilJsonUtil::encode($nodesFetchedWithChildren));
 
                if($emptyOnLoad)
                {
                        $this->tpl->setVariable('THR_OPEN_NODES', ilJsonUtil::encode($onloadNodes));
                        $_SESSION['frm'][(int)$this->topic->getId()]['openTreeNodes'] = array_unique(array_merge(array(0), $onloadNodes)); 
                }
                else
                {
                        $this->tpl->setVariable('THR_OPEN_NODES', ilJsonUtil::encode($_SESSION['frm'][(int)$this->topic->getId()]['openTreeNodes']));
                }
        }

References $_SESSION, $html, ilJsonUtil\encode(), and getTreeNodeHtml().

Referenced by render().

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◆ getHtml()

ilForumExplorer::getHtml ( )

This method returns the tree html for the forum template @access public.

Returns: string

Definition at line 246 of file class.ilForumExplorer.php.

        {
                return $this->tpl->get();
        }

◆ getTreeNodeHtml()

static ilForumExplorer::getTreeNodeHtml	(		$object,
		ilObjForumGUI	$gui,
			$pageHits
	)

static

Returns the html used for a single forum tree node @access public.

Definition at line 197 of file class.ilForumExplorer.php.

        {
                global $ilCtrl;
 
                $html = '';
 
                // Set pos_pk for urls
                $ilCtrl->setParameter($gui, 'pos_pk', $object['pos_pk']);
 
                // Set offset
                $ilCtrl->setParameter($gui, 'offset', floor($object['counter'] / $pageHits) * $pageHits);
 
                // @todo: HTML in PHP used because of performance issues of ilTemplate an big forum trees
                if($object['post_read'])
                {
                        $url  = $ilCtrl->getLinkTarget($gui, 'viewThread', $object['pos_pk']);
                        $link = "<a class='small' href='" . $url . "'>" . stripslashes($object['pos_subject']) . "</a>";
 
                        $html .= "<div class='frmTreeInfo'><span class='frmTitle' id='frm_node_" . $object['pos_pk'] . "'>" . $link . "</span><br />" .
                                "<span id='frm_node_desc_" . $object['pos_pk'] . "' class='small'>";
                }
                else
                {
                        $url  = $ilCtrl->getLinkTarget($gui, 'markPostRead', $object['pos_pk']);
                        $link = "<a class='small' href='" . $url . "'>" . stripslashes($object['pos_subject']) . "</a>";
 
                        $html .= "<div class='frmTreeInfo'><span class='frmTitleBold' id='frm_node_" . $object['pos_pk'] . "'>" . $link . "</span><br />" .
                                "<span id='frm_node_desc_" . $object['pos_pk'] . "' class='small'>";
                }
 
                require_once 'Modules/Forum/classes/class.ilForumAuthorInformation.php';
                $authorinfo = new ilForumAuthorInformation(
                        $object['pos_author_id'],
                        $object['pos_display_user_id'],
                        $object['pos_usr_alias'],
                        $object['import_name']
                );
                $html .= $authorinfo->getAuthorShortName();
                $html .= ", " . ilDatePresentation::formatDate(new ilDateTime($object['pos_date'], IL_CAL_DATETIME)) . "</span></div>";
 
                return $html;
        }

References $gui, $html, $ilCtrl, $url, ilDatePresentation\formatDate(), and IL_CAL_DATETIME.

Referenced by ilObjForumGUI\fetchTreeChildrenAsyncObject(), and fillTreeTemplate().

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◆ render()

ilForumExplorer::render ( )

Definition at line 101 of file class.ilForumExplorer.php.

        {
                $this->fillTreeTemplate();
 
                return $this;
        }

References fillTreeTemplate().

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Field Documentation

◆ $gui

ilForumExplorer::$gui

protected

Definition at line 33 of file class.ilForumExplorer.php.

Referenced by __construct(), and getTreeNodeHtml().

◆ $properties

ilForumExplorer::$properties

protected

Definition at line 49 of file class.ilForumExplorer.php.

Referenced by __construct().

◆ $root_id

ilForumExplorer::$root_id

protected

Definition at line 57 of file class.ilForumExplorer.php.

◆ $topic

ilForumExplorer::$topic

protected

Definition at line 41 of file class.ilForumExplorer.php.

Referenced by __construct().

◆ $tpl

ilForumExplorer::$tpl

protected

Definition at line 25 of file class.ilForumExplorer.php.

Referenced by __construct().

The documentation for this class was generated from the following file:

Modules/Forum/classes/class.ilForumExplorer.php

Public Member Functions

Static Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ fillTreeTemplate()

◆ getHtml()

◆ getTreeNodeHtml()

◆ render()

Field Documentation

◆ $gui

◆ $properties

◆ $root_id

◆ $topic

◆ $tpl