Collaboration diagram for ilContainerSorting:

Public Member Functions
	getSortMode ()
	get sort mode
	sortItems ($a_items)
	sort subitems
	sortSubItems ($a_parent_type, $a_parent_id, $a_items)
	sort subitems (items of sessions or learning objectives)
	isManualSortingEnabled ()
	is manual sorting enabled
	savePost ($a_type_positions)
	Save post.

Static Public Member Functions
static	_getInstance ($a_obj_id)
	get instance by obj_id
static	lookupPositions ($a_obj_id)
	Get positions of subitems.
	cloneSorting ($a_target_id, $a_copy_id)
	clone sorting

Data Fields
const	ORDER_DEFAULT = 999999

Protected Member Functions
	saveItems ($a_items)
	save items
	saveSubItems ($a_parent_type, $a_parent_id, $a_items)
	Save subitem ordering (sessions, learning objectives)

Protected Attributes
	$obj_id
	$db
	$manual_sort_enabled = false
	$sorting_mode = 0

Static Protected Attributes
static	$instances = array()

Private Member Functions
	__construct ($a_obj_id)
	Constructor.
	read ()
	Read.

Detailed Description

Author: Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version: $Id$

Definition at line 32 of file class.ilContainerSorting.php.

Constructor & Destructor Documentation

ilContainerSorting::__construct ( $a_obj_id )

private

Constructor.

private

Parameters

int obj_id

Definition at line 51 of file class.ilContainerSorting.php.

References read().

        {
                global $ilDB;
                
                $this->db = $ilDB;
                $this->obj_id = $a_obj_id;
                
                $this->read();
        }

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Member Function Documentation

static ilContainerSorting::_getInstance ( $a_obj_id )

static

get instance by obj_id

public

Parameters

int obj_id

Returns: object ilContainerSorting

Definition at line 82 of file class.ilContainerSorting.php.

Referenced by ilContainer\cloneDependencies(), cloneSorting(), ilContainer\getSubItems(), ilObjSessionGUI\infoScreen(), ilContainerContentGUI\renderItem(), ilContainerContentGUI\renderItemGroup(), ilContainerObjectiveGUI\renderObjective(), ilObjLinkResourceGUI\saveSorting(), ilContainerGUI\saveSortingObject(), ilShopRepositoryExplorer\sortNodes(), and ilRepositoryExplorer\sortNodes().

        {
                if(isset(self::$instances[$a_obj_id]))
                {
                        return self::$instances[$a_obj_id];
                }
                return self::$instances[$a_obj_id] = new ilContainerSorting($a_obj_id);
        }

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ilContainerSorting::cloneSorting	(	$a_target_id,
		$a_copy_id
	)

static

clone sorting

Returns

Definition at line 116 of file class.ilContainerSorting.php.

References $ilLog, $query, $res, $row, _getInstance(), ilObject\_lookupObjId(), and DB_FETCHMODE_OBJECT.

        {
                global $ilDB;
                global $ilLog;
                
                $ilLog->write(__METHOD__.': Cloning container sorting.');
                
                $target_obj_id = ilObject::_lookupObjId($a_target_id);
                
                include_once('./Services/CopyWizard/classes/class.ilCopyWizardOptions.php');
                $mappings = ilCopyWizardOptions::_getInstance($a_copy_id)->getMappings(); 
                
                $query = "SELECT * FROM container_sorting ".
                        "WHERE obj_id = ".$ilDB->quote($this->obj_id, 'integer');
                $res = $ilDB->query($query);
                
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        if(!isset($mappings[$row->child_id]) or !$mappings[$row->child_id])
                        {
                                #$ilLog->write(__METHOD__.': No mapping found for:'.$row->child_id);
                                continue;
                        }
                        
                        if($row->parent_id and (!isset($mappings[$row->parent_id]) or !$mappings[$row->parent_id]))
                        {
                                continue;
                        }
                        $query = "DELETE FROM container_sorting ".
                                "WHERE obj_id = ".$ilDB->quote($target_obj_id,'integer')." ".
                                "AND child_id = ".$ilDB->quote($mappings[$row->child_id],'integer')." ".
                                "AND parent_type = ".$ilDB->quote($row->parent_type,'text').' '.
                                "AND parent_id = ".$ilDB->quote((int) $mappings[$row->parent_id],'integer');
                        $ilDB->manipulate($query);
                        
                        // Add new value
                        $query = "INSERT INTO container_sorting (obj_id,child_id,position,parent_type,parent_id) ".
                                "VALUES( ".
                                $ilDB->quote($target_obj_id ,'integer').", ".
                                $ilDB->quote($mappings[$row->child_id] ,'integer').", ".
                                $ilDB->quote($row->position,'integer').", ".
                                $ilDB->quote($row->parent_type,'text').", ".
                                $ilDB->quote((int) $mappings[$row->parent_id],'integer').
                                ")";
                        $ilDB->manipulate($query);
                }
                return true;            
        }

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ilContainerSorting::getSortMode ( )

get sort mode

public

Parameters

@return

Definition at line 68 of file class.ilContainerSorting.php.

References $sorting_mode.

Referenced by sortItems(), and sortSubItems().

        {
                return $this->sorting_mode;
        }

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ilContainerSorting::isManualSortingEnabled ( )

is manual sorting enabled

public

Returns: bool

Definition at line 278 of file class.ilContainerSorting.php.

References $manual_sort_enabled.

        {
                return (bool) $this->manual_sort_enabled;
        }

static ilContainerSorting::lookupPositions ( $a_obj_id )

static

Get positions of subitems.

Parameters

int $a_obj_id

Returns

Definition at line 96 of file class.ilContainerSorting.php.

References $query, $res, $row, and DB_FETCHMODE_OBJECT.

Referenced by ilLinkResourceItems\sortItems().

        {
                global $ilDB;
                
                $query = "SELECT * FROM container_sorting WHERE ".
                        "obj_id = ".$ilDB->quote($a_obj_id,'integer');
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $sorted[$row->child_id] = $row->position;
                }
                return $sorted ? $sorted : array();
        } 

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ilContainerSorting::read ( )

private

Read.

private

Definition at line 385 of file class.ilContainerSorting.php.

References $query, $res, $row, ilContainerSortingSettings\_isManualSortingEnabled(), ilContainerSortingSettings\_lookupSortMode(), and DB_FETCHMODE_OBJECT.

Referenced by __construct().

        {
                if(!$this->obj_id)
                {
                        return true;
                }
                
                include_once('Services/Container/classes/class.ilContainerSortingSettings.php');
                $this->manual_sort_enabled = ilContainerSortingSettings::_isManualSortingEnabled($this->obj_id);
                $this->sorting_mode = ilContainerSortingSettings::_lookupSortMode($this->obj_id);
                
                $query = "SELECT * FROM container_sorting ".
                        "WHERE obj_id = ".$this->db->quote($this->obj_id ,'integer')." ORDER BY position";
                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        if($row->parent_id)
                        {
                                $this->sorting[$row->parent_type][$row->parent_id][$row->child_id] = $row->position;
                        }
                        else
                        {
                                $this->sorting['all'][$row->child_id] = $row->position;
                        }
                }
                return true;
        }

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ilContainerSorting::saveItems ( $a_items )

protected

save items

protected

Parameters

string	parent_type only used for sessions and objectives in the moment. Otherwise empty
int	parent id
array	array of items

Returns

Definition at line 326 of file class.ilContainerSorting.php.

Referenced by savePost().

        {
                global $ilDB;
                
                foreach($a_items as $child_id => $position)
                {
                        $ilDB->replace(
                                'container_sorting',
                                array(
                                        'obj_id'        => array('integer',$this->obj_id),
                                        'child_id'      => array('integer',$child_id),
                                        'parent_id'     => array('integer',0)
                                ),
                                array(
                                        'parent_type' => array('text',''),
                                        'position'        => array('integer',$position)
                                )
                        );
                }
                return true;
        }

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ilContainerSorting::savePost ( $a_type_positions )

Save post.

public

Parameters

array of positions e.g array(crs => array(1,2,3),'lres' => array(3,5,6))

Definition at line 290 of file class.ilContainerSorting.php.

References $ilLog, saveItems(), and saveSubItems().

        {
                global $ilLog; 
                if(!is_array($a_type_positions))
                {
                        return false;
                }
                foreach($a_type_positions as $key => $position)
                {
                        if(!is_array($position))
                        {
                                $items[$key] = $position * 100;
                        }
                        else
                        {
                                $ilLog->write(__METHOD__.': Deprecated call');
                                foreach($position as $parent_id => $sub_items)
                                {
                                        $this->saveSubItems($key,$parent_id,$sub_items ? $sub_items : array());
                                }
                        }
                }
                $this->saveItems($items ? $items : array());
        }

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ilContainerSorting::saveSubItems	(	$a_parent_type,
		$a_parent_id,
		$a_items
	)

protected

Save subitem ordering (sessions, learning objectives)

Parameters

string	$a_parent_type
integer	$a_parent_id
array	$a_items

Returns

Definition at line 355 of file class.ilContainerSorting.php.

Referenced by savePost().

        {
                global $ilDB;
                foreach($a_items as $child_id => $position)
                {
                        $ilDB->replace(
                                'container_sorting',
                                array(
                                        'obj_id'        => array('integer',$this->obj_id),
                                        'child_id'      => array('integer',$child_id),
                                        'parent_id'     => array('integer',$a_parent_id)
                                ),
                                array(
                                        'parent_type' => array('text',$a_parent_type),
                                        'position'        => array('integer',$position)
                                )
                        );
                }
                return true;
                
        }

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ilContainerSorting::sortItems ( $a_items )

sort subitems

public

Parameters

array item data

Returns: array sorted item data

Definition at line 176 of file class.ilContainerSorting.php.

References $data, getSortMode(), ORDER_DEFAULT, ilContainer\SORT_ACTIVATION, ilContainer\SORT_TITLE, and ilUtil\sortArray().

        {
                $sorted = array();
                if(!$this->manual_sort_enabled)
                {
                        switch($this->getSortMode())
                        {
                                case ilContainer::SORT_TITLE:
                                        foreach((array) $a_items as $type => $data)
                                        {
//                                              $sorted[$type] = ilUtil::sortArray((array) $data,'title','asc',false);
                                                $sorted[$type] = $data;
                                        }
                                        return $sorted ? $sorted : array();
                                        
                                case ilContainer::SORT_ACTIVATION:
                                        foreach((array) $a_items as $type => $data)
                                        {
                                                $sorted[$type] = ilUtil::sortArray((array) $data,'start','asc',true);
                                        }
                                        return $sorted ? $sorted : array();
                        }
                        return $a_items;
                }
                if(!count($a_items))
                {
                        return $a_items;
                }
                foreach((array) $a_items as $type => $data)
                {
                        // Add position
                        $items = array();
                        foreach((array) $data as $key => $item)
                        {
                                $items[$key] = $item;
                                if(is_array($this->sorting['all']) and isset($this->sorting['all'][$item['child']]))
                                {
                                        $items[$key]['position'] = $this->sorting['all'][$item['child']];
                                }
                                else
                                {
                                        $items[$key]['position'] = self::ORDER_DEFAULT;
                                }
                        }
                        switch($type)
                        {
                                case '_all':
                                        $sorted[$type] = ilUtil::sortArray((array) $items,'position','asc',true);
                                        break;
                                
                                case '_non_sess':
                                        $sorted[$type] = ilUtil::sortArray((array) $items,'position','asc',true);
                                        break;
                                
                                default:
                                        $sorted[$type] = ilUtil::sortArray((array) $items,'position','asc',true);
                                        break;
                        }
                }
                return $sorted ? $sorted : array();
        }

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ilContainerSorting::sortSubItems	(	$a_parent_type,
		$a_parent_id,
		$a_items
	)

sort subitems (items of sessions or learning objectives)

public

Parameters

@return

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

References getSortMode(), ORDER_DEFAULT, ilContainer\SORT_MANUAL, ilContainer\SORT_TITLE, and ilUtil\sortArray().

        {
                switch($this->getSortMode())
                {
                        case ilContainer::SORT_MANUAL:
                                // Add position
                                $items = array();
                                foreach($a_items as $key => $item)
                                {
                                        $items[$key] = $item;
                                        $items[$key]['position'] = isset($this->sorting[$a_parent_type][$a_parent_id][$item['child']]) ? 
                                                                                                        $this->sorting[$a_parent_type][$a_parent_id][$item['child']] : self::ORDER_DEFAULT;
                                }
                                return ilUtil::sortArray((array) $items,'position','asc',true);
                                
                        case ilContainer::SORT_TITLE:
                        default:
                                return ilUtil::sortArray((array) $a_items,'title','asc',true);
                }
        }