Public Member Functions | Data Fields

ilMediaItem Class Reference

Public Member Functions

 ilMediaItem ($a_id=0)
 setId ($a_id)
 set media item id
 getId ()
 get media item id
 setMobId ($a_mob_id)
 set id of parent media object
 getMobId ()
 get id of parent media object
 setNr ($a_nr)
 set number of media item within media object
 getNr ()
 create ()
 create persistent media item
 update ()
 update media item data (without map areas!)
 read ()
 read media item data (item id or (mob_id and nr) must be set)
 writeThumbTried ($a_tried)
 write thumbnail creation try data ("y"/"n")
 _getMediaItemsOfMOb (&$a_mob)
 read media items into media objects (static)
 deleteAllItemsOfMob ($a_mob_id)
 static
 setPurpose ($a_purpose)
 getPurpose ()
 setLocation ($a_location)
 getLocation ()
 setLocationType ($a_type)
 getLocationType ()
 setFormat ($a_format)
 getFormat ()
 setThumbTried ($a_tried)
 getThumbTried ()
 addMapArea (&$a_map_area)
 deleteMapArea ($nr)
 delete map area
& getMapArea ($nr)
 get map area
 getWidth ()
 get width
 setWidth ($a_width)
 set width
 getHeight ()
 get height
 setHeight ($a_height)
 set height
 getOriginalSize ()
 get original size
 setCaption ($a_caption)
 set caption
 getCaption ()
 get caption
 setHAlign ($a_halign)
 set horizontal align
 getHAlign ()
 get horizontal align
 setParameter ($a_name, $a_value)
 set parameter
 resetParameters ()
 reset parameters
 setParameters ($a_par)
 set alle parameters via parameter string (format: par1="value1", par2="value2", ...)
 getParameters ()
 get all parameters (in array)
 getParameterString ()
 get all parameters (as string)
 getParameter ($a_name)
 get a single parameter
 getWorkDirectory ()
 get work directory for image map editing
 createWorkDirectory ()
 create work directory for image map editing
 getSuffix ()
 get location suffix
 getMapWorkCopyType ()
 get image type of image map work copy
 getMapWorkCopyName ()
 getDirectory ()
 get media file directory
 getThumbnailDirectory ($a_mode="filesystem")
 get media file directory
 getThumbnailTarget ($a_size="")
 get thumbnail target
 makeMapWorkCopy ($a_area_nr=0, $a_exclude=false)
 make map work copy of image
 addAreaToMapWorkCopy ($a_shape, $a_coords)
 draw a new area in work image
 outputMapWorkCopy ()
 output raw map work copy file
 buildMapWorkImage ()
 build image map work image
 saveMapWorkImage ()
 save image map work image
& getMapWorkImage ()
 get image map work image
 getMapAreasXML ($a_insert_inst=false, $a_inst=0)
 get xml code of media items' areas
 _resolveMapAreaLinks ($a_mob_id)
 resolve internal links of all media items of a media object
 _getMapAreasIntLinks ($a_mob_id)
 get all internal links of map areas of a mob

Data Fields

 $ilias
 $id
 $purpose
 $location
 $location_type
 $format
 $width
 $height
 $caption
 $halign
 $parameters
 $mob_id
 $nr
 $mapareas
 $map_cnt
 $map_image
 $color1
 $color2

Detailed Description

Definition at line 36 of file class.ilMediaItem.php.

Member Function Documentation

ilMediaItem::_getMapAreasIntLinks ( $  a_mob_id  ) 

get all internal links of map areas of a mob

Parameters:
int $a_mob_id media object id

Definition at line 924 of file class.ilMediaItem.php.

References $key, $query, and ilMapArea::_getIntLinks().

Referenced by ilPageObject::getInternalLinks(), ilLMPresentationGUI::ilMedia(), ilGlossaryPresentationGUI::media(), and ilObjMediaPoolGUI::showMedia().

        {
                // read media_items records
                $query = "SELECT * FROM media_item WHERE mob_id = '".$a_mob_id."' ".
                        "ORDER BY nr";
                $item_set = $this->ilias->db->query($query);
                $links = array();
                while ($item_rec = $item_set->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        $map_links = ilMapArea::_getIntLinks($item_rec["id"]);
                        foreach($map_links as $key => $map_link)
                        {
                                $links[$key] = $map_link;
                        }
                }
                return $links;
        }

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ilMediaItem::_getMediaItemsOfMOb ( &$  a_mob  ) 

read media items into media objects (static)

Parameters:
object $a_mob media object

Definition at line 283 of file class.ilMediaItem.php.

References $query, ilMapArea::_getMaxNr(), and ilMediaItem().

Referenced by ilObjMediaObject::read().

        {
                // read media_object record
                $query = "SELECT * FROM media_item WHERE mob_id = '".$a_mob->getId()."' ".
                        "ORDER BY nr";
                $item_set = $this->ilias->db->query($query);
                while ($item_rec = $item_set->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        $media_item =& new ilMediaItem();
                        $media_item->setNr($item_rec["nr"]);
                        $media_item->setId($item_rec["id"]);
                        $media_item->setLocation($item_rec["location"]);
                        $media_item->setLocationType($item_rec["location_type"]);
                        $media_item->setFormat($item_rec["format"]);
                        $media_item->setWidth($item_rec["width"]);
                        $media_item->setHeight($item_rec["height"]);
                        $media_item->setHAlign($item_rec["halign"]);
                        $media_item->setCaption($item_rec["caption"]);
                        $media_item->setPurpose($item_rec["purpose"]);
                        $media_item->setMobId($item_rec["mob_id"]);
                        $media_item->setThumbTried($item_rec["tried_thumb"]);

                        // get item parameter
                        $query = "SELECT * FROM mob_parameter WHERE med_item_id = '".
                                $item_rec["id"]."'";
                        $par_set = $this->ilias->db->query($query);
                        while ($par_rec = $par_set->fetchRow(DB_FETCHMODE_ASSOC))
                        {
                                $media_item->setParameter($par_rec["name"], $par_rec["value"]);
                        }

                        // get item map areas
                        $max = ilMapArea::_getMaxNr($media_item->getId());
                        for ($i = 1; $i <= $max; $i++)
                        {
                                $area =& new ilMapArea($media_item->getId(), $i);
                                $media_item->addMapArea($area);
                        }

                        // add media item to media object
                        $a_mob->addMediaItem($media_item);
                }
        }

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ilMediaItem::_resolveMapAreaLinks ( $  a_mob_id  ) 

resolve internal links of all media items of a media object

Parameters:
int $a_mob_id media object id

Definition at line 906 of file class.ilMediaItem.php.

References $query, and ilMapArea::_resolveIntLinks().

Referenced by ilContObjParser::processPagesToParse(), and ilPageObject::resolveIntLinks().

        {
//echo "mediaItems::resolve<br>";
                // read media_object record
                $query = "SELECT * FROM media_item WHERE mob_id = '".$a_mob_id."' ".
                        "ORDER BY nr";
                $item_set = $this->ilias->db->query($query);
                while ($item_rec = $item_set->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        ilMapArea::_resolveIntLinks($item_rec["id"]);
                }
        }

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ilMediaItem::addAreaToMapWorkCopy ( $  a_shape,
$  a_coords 
)

draw a new area in work image

Parameters:
string $a_shape shape
string $a_coords coordinates string

Definition at line 758 of file class.ilMediaItem.php.

References buildMapWorkImage(), getMapWorkImage(), and saveMapWorkImage().

        {
                $this->buildMapWorkImage();

                // add new area to work image
                $area = new ilMapArea();
                $area->setShape($a_shape);
//echo "addAreaToMap:".$a_shape.":<br>";
                $area->setCoords($a_coords);
                $area->draw($this->getMapWorkImage(), $this->color1, $this->color2, false);

                $this->saveMapWorkImage();
        }

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ilMediaItem::addMapArea ( &$  a_map_area  ) 

Definition at line 401 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->mapareas[$this->map_cnt] =& $a_map_area;
                $this->map_cnt++;
        }

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ilMediaItem::buildMapWorkImage (  ) 

build image map work image

Definition at line 790 of file class.ilMediaItem.php.

References getMapWorkCopyName(), and getMapWorkCopyType().

Referenced by addAreaToMapWorkCopy(), and makeMapWorkCopy().

        {
                $im_type = strtolower($this->getMapWorkCopyType());

                switch ($im_type)
                {
                        case "gif":
                                $this->map_image = ImageCreateFromGIF($this->getMapWorkCopyName());
                                break;

                        case "jpg":
                                $this->map_image = ImageCreateFromJPEG($this->getMapWorkCopyName());
                                break;

                        case "png":
                                $this->map_image = ImageCreateFromPNG($this->getMapWorkCopyName());
                                break;
                }

                // try to allocate black and white as color. if this is not possible, get the closest colors
                if (imagecolorstotal($this->map_image) > 250)
                {
                        $this->color1 = imagecolorclosest($this->map_image, 0, 0, 0);
                        $this->color2 = imagecolorclosest($this->map_image, 255, 255, 255);
                }
                else
                {
                        $this->color1 = imagecolorallocate($this->map_image, 0, 0, 0);
                        $this->color2 = imagecolorallocate($this->map_image, 255, 255, 255);
                }
        }

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ilMediaItem::create (  ) 

create persistent media item

Definition at line 129 of file class.ilMediaItem.php.

References $query, getCaption(), getFormat(), getHAlign(), getHeight(), getId(), getLocation(), getLocationType(), getMobId(), getNr(), getParameters(), getPurpose(), getWidth(), and setId().

        {
                global $ilDB;

                $query = "INSERT INTO media_item (mob_id, purpose, location, ".
                        "location_type, format, width, ".
                        "height, halign, caption, nr) VALUES ".
                        "(".$ilDB->quote($this->getMobId()).",".
                        $ilDB->quote($this->getPurpose()).",".
                        $ilDB->quote($this->getLocation()).",".
                        $ilDB->quote($this->getLocationType()).",".
                        $ilDB->quote($this->getFormat()).",".
                        $ilDB->quote($this->getWidth()).",".
                        $ilDB->quote($this->getHeight()).",".
                        $ilDB->quote($this->getHAlign()).",".
                        $ilDB->quote($this->getCaption()).",".
                        $ilDB->quote($this->getNr()).")";
                $this->ilias->db->query($query);
//echo "create_mob:$query:<br>";
                $item_id = $this->ilias->db->getLastInsertId();
                $this->setId($item_id);

                // create mob parameters
                $params = $this->getParameters();
                foreach($params as $name => $value)
                {
                        $query = "INSERT INTO mob_parameter (med_item_id, name, value) VALUES ".
                                "(".$ilDB->quote($item_id).",".
                                $ilDB->quote($name).",".
                                $ilDB->quote($value).")";
                        $this->ilias->db->query($query);
                }

                // create map areas
                for ($i=0; $i < count($this->mapareas); $i++)
                {
                        $this->mapareas[$i]->setItemId($this->getId());
                        $this->mapareas[$i]->setNr($i + 1);
                        $this->mapareas[$i]->create();
                }
        }

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ilMediaItem::createWorkDirectory (  ) 

create work directory for image map editing

Definition at line 602 of file class.ilMediaItem.php.

References ilUtil::createDirectory(), ilUtil::getDataDir(), and getWorkDirectory().

Referenced by makeMapWorkCopy().

        {
                if(!@is_dir(ilUtil::getDataDir()."/map_workfiles"))
                {
                        ilUtil::createDirectory(ilUtil::getDataDir()."/map_workfiles");
                }
                $work_dir = $this->getWorkDirectory();
                if(!@is_dir($work_dir))
                {
                        ilUtil::createDirectory($work_dir);
                }
        }

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ilMediaItem::deleteAllItemsOfMob ( $  a_mob_id  ) 

static

Definition at line 330 of file class.ilMediaItem.php.

References $query.

Referenced by ilObjMediaObject::delete(), and ilObjMediaObject::update().

        {
                // iterate all media items ob mob
                $query = "SELECT * FROM media_item WHERE mob_id = '".$a_mob_id."'";
                $item_set = $this->ilias->db->query($query);
                while ($item_rec = $item_set->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        // delete all parameters of media item
                        $query = "DELETE FROM mob_parameter WHERE med_item_id = '".$item_rec["id"]."'";
                        $this->ilias->db->query($query);

                        // delete all map areas of media item
                        $query = "DELETE FROM map_area WHERE item_id = '".$item_rec["id"]."'";
                        $this->ilias->db->query($query);
                }

                // delete media items
                $query = "DELETE FROM media_item WHERE mob_id = '".$a_mob_id."'";
                $this->ilias->db->query($query);
        }

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ilMediaItem::deleteMapArea ( $  nr  ) 

delete map area

Definition at line 410 of file class.ilMediaItem.php.

References $nr.

        {
                for ($i=1; $i<=$this->map_cnt; $i++)
                {
                        if($i > $nr)
                        {
                                $this->mapareas[$i-2] =& $this->mapareas[$i-1];
                                $this->mapareas[$i-2]->setNr($i-1);
                        }
                }
                if($nr <= $this->map_cnt)
                {
                        unset($this->mapareas[$this->map_cnt - 1]);
                        $this->map_cnt--;
                }
        }

ilMediaItem::getCaption (  ) 

get caption

Definition at line 505 of file class.ilMediaItem.php.

Referenced by create(), and update().

        {
                return $this->caption;
        }

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ilMediaItem::getDirectory (  ) 

get media file directory

Definition at line 650 of file class.ilMediaItem.php.

References ilObjMediaObject::_getDirectory(), and getMobId().

Referenced by getThumbnailTarget(), and makeMapWorkCopy().

        {
                return ilObjMediaObject::_getDirectory($this->getMobId());
        }

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ilMediaItem::getFormat (  ) 

Definition at line 386 of file class.ilMediaItem.php.

Referenced by create(), getOriginalSize(), getThumbnailTarget(), and update().

        {
                return $this->format;
        }

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ilMediaItem::getHAlign (  ) 

get horizontal align

Definition at line 521 of file class.ilMediaItem.php.

Referenced by create(), and update().

        {
                return $this->halign;
        }

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ilMediaItem::getHeight (  ) 

get height

Definition at line 454 of file class.ilMediaItem.php.

Referenced by create(), and update().

        {
                return $this->height;
        }

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ilMediaItem::getId (  ) 

get media item id

Returns:
int media item id

Definition at line 88 of file class.ilMediaItem.php.

Referenced by create(), getWorkDirectory(), read(), update(), and writeThumbTried().

        {
                return $this->id;
        }

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ilMediaItem::getLocation (  ) 

Definition at line 366 of file class.ilMediaItem.php.

Referenced by create(), getMapWorkCopyName(), getOriginalSize(), getSuffix(), getThumbnailTarget(), makeMapWorkCopy(), and update().

        {
                return $this->location;
        }

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ilMediaItem::getLocationType (  ) 

Definition at line 376 of file class.ilMediaItem.php.

Referenced by create(), getOriginalSize(), getThumbnailTarget(), and update().

        {
                return $this->location_type;
        }

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& ilMediaItem::getMapArea ( $  nr  ) 

get map area

Definition at line 430 of file class.ilMediaItem.php.

References $nr.

        {
                return $this->mapareas[$nr-1];
        }

ilMediaItem::getMapAreasXML ( $  a_insert_inst = false,
$  a_inst = 0 
)

get xml code of media items' areas

Definition at line 860 of file class.ilMediaItem.php.

        {
                $xml = "";

                // build xml of map areas
                for ($i=0; $i < count($this->mapareas); $i++)
                {
                        $area =& $this->mapareas[$i];
                        $xml .= "<MapArea Shape=\"".$area->getShape()."\" Coords=\"".$area->getCoords()."\">";
                        if ($area->getLinkType() == IL_INT_LINK)
                        {
                                $target_frame = $area->getTargetFrame();

                                if ($area->getType() == "GlossaryItem" && $target_frame == "")
                                {
                                        $target_frame = "Glossary";
                                }

                                $tf_str = ($target_frame == "")
                                        ? ""
                                        : "TargetFrame=\"".$target_frame."\"";
                                
                                $xml .= "<IntLink Target=\"".$area->getTarget($a_insert_inst, $a_inst)."\" Type=\"".
                                        $area->getType()."\" $tf_str>";
                                $xml .= $area->getTitle();
                                $xml .="</IntLink>";
                        }
                        else
                        {
                                $xml .= "<ExtLink Href=\"".str_replace("&", "&amp;",$area->getHref())."\" Title=\"".
                                        $area->getExtTitle()."\">";
                                $xml .= $area->getTitle();
                                $xml .="</ExtLink>";
                        }
                        $xml .= "</MapArea>";
                }

                return $xml;
        }

ilMediaItem::getMapWorkCopyName (  ) 

Definition at line 636 of file class.ilMediaItem.php.

References $file, getLocation(), getMapWorkCopyType(), and getWorkDirectory().

Referenced by buildMapWorkImage(), makeMapWorkCopy(), outputMapWorkCopy(), and saveMapWorkImage().

        {
                $file_arr = explode("/", $this->getLocation());
                $file = $file_arr[count($file_arr) - 1];
                $file_arr = explode(".", $file);
                unset($file_arr[count($file_arr) - 1]);
                $file = implode($file_arr, ".");

                return $this->getWorkDirectory()."/".$file.".".$this->getMapWorkCopyType();
        }

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ilMediaItem::getMapWorkCopyType (  ) 

get image type of image map work copy

Definition at line 628 of file class.ilMediaItem.php.

References ilUtil::getGDSupportedImageType(), and getSuffix().

Referenced by buildMapWorkImage(), getMapWorkCopyName(), makeMapWorkCopy(), outputMapWorkCopy(), and saveMapWorkImage().

        {
                return ilUtil::getGDSupportedImageType($this->getSuffix());
        }

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& ilMediaItem::getMapWorkImage (  ) 

get image map work image

Definition at line 851 of file class.ilMediaItem.php.

Referenced by addAreaToMapWorkCopy(), and makeMapWorkCopy().

        {
                return $this->map_image;
        }

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ilMediaItem::getMobId (  ) 

get id of parent media object

Returns:
int media object id

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

Referenced by create(), getDirectory(), getOriginalSize(), getThumbnailDirectory(), getThumbnailTarget(), read(), and update().

        {
                return $this->mob_id;
        }

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ilMediaItem::getNr (  ) 

Definition at line 121 of file class.ilMediaItem.php.

Referenced by create(), read(), and update().

        {
                return $this->nr;
        }

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ilMediaItem::getOriginalSize (  ) 

get original size

Definition at line 470 of file class.ilMediaItem.php.

References $file, ilObjMediaObject::_getDirectory(), ilUtil::deducibleSize(), getFormat(), getLocation(), getLocationType(), and getMobId().

        {
                $mob_dir = ilObjMediaObject::_getDirectory($this->getMobId());

                if ($this->getLocationType() == "LocalFile" &&
                        ilUtil::deducibleSize($this->getFormat()))
                {
                        $file = $mob_dir."/".$this->getLocation();
                        if (is_file($file))
                        {
                                $size = getimagesize($file);
                        }
                        else
                        {
                                $size[0] = $size[1] = 0;
                        }
                        $size = array("width" => $size[0], "height" => $size[1]);
                        
                        return $size;
                }

                return false;
        }

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ilMediaItem::getParameter ( $  a_name  ) 

get a single parameter

Definition at line 586 of file class.ilMediaItem.php.

        {
                return $this->parameters[$a_name];
        }

ilMediaItem::getParameters (  ) 

get all parameters (in array)

Definition at line 568 of file class.ilMediaItem.php.

Referenced by create(), and update().

        {
                return $this->parameters;
        }

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ilMediaItem::getParameterString (  ) 

get all parameters (as string)

Definition at line 577 of file class.ilMediaItem.php.

References ilUtil::assembleParameterString().

        {
                return ilUtil::assembleParameterString($this->parameters);
        }

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ilMediaItem::getPurpose (  ) 

Definition at line 356 of file class.ilMediaItem.php.

Referenced by create(), getThumbnailTarget(), and update().

        {
                return $this->purpose;
        }

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ilMediaItem::getSuffix (  ) 

get location suffix

Definition at line 618 of file class.ilMediaItem.php.

References getLocation().

Referenced by getMapWorkCopyType().

        {
                $loc_arr = explode(".", $this->getLocation());

                return $loc_arr[count($loc_arr) - 1];
        }

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ilMediaItem::getThumbnailDirectory ( $  a_mode = "filesystem"  ) 

get media file directory

Definition at line 658 of file class.ilMediaItem.php.

References ilObjMediaObject::_getThumbnailDirectory(), and getMobId().

Referenced by getThumbnailTarget().

        {
                return ilObjMediaObject::_getThumbnailDirectory($this->getMobId(), $a_mode);
        }

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ilMediaItem::getThumbnailTarget ( $  a_size = ""  ) 

get thumbnail target

Definition at line 666 of file class.ilMediaItem.php.

References ilObjMediaObject::_createThumbnailDirectory(), ilUtil::convertImage(), getDirectory(), getFormat(), getLocation(), getLocationType(), getMobId(), getPurpose(), getThumbnailDirectory(), getThumbTried(), and writeThumbTried().

        {
                if (is_int(strpos($this->getFormat(), "image")))
                {
                        $thumb_file = $this->getThumbnailDirectory()."/".
                                $this->getPurpose().".jpeg";

                        $thumb_file_small = $this->getThumbnailDirectory()."/".
                                $this->getPurpose()."_small.jpeg";

                        // generate thumbnail (if not tried before)
                        if ($this->getThumbTried() == "n" && $this->getLocationType() == "LocalFile")
                        {
                                if (is_file($thumb_file))
                                {
                                        unlink($thumb_file);
                                }
                                if (is_file($thumb_file_small))
                                {
                                        unlink($thumb_file_small);
                                }
                                $this->writeThumbTried("y");
                                ilObjMediaObject::_createThumbnailDirectory($this->getMobId());
                                $med_file = $this->getDirectory()."/".$this->getLocation();

                                if (is_file($med_file))
                                {
                                        ilUtil::convertImage($med_file, $thumb_file, "jpeg", "80");
                                        ilUtil::convertImage($med_file, $thumb_file_small, "jpeg", "40");
                                }
                        }

                        if ($a_size == "small")
                        {
                                if (is_file($thumb_file_small))
                                {
                                        return $this->getThumbnailDirectory("output")."/".
                                                $this->getPurpose()."_small.jpeg?dummy=".rand(1, 999999);
                                }
                        }
                        else
                        {
                                if (is_file($thumb_file))
                                {
                                        return $this->getThumbnailDirectory("output")."/".
                                                $this->getPurpose().".jpeg?dummy=".rand(1, 999999);
                                }
                        }
                }

                return "";
        }

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ilMediaItem::getThumbTried (  ) 

Definition at line 396 of file class.ilMediaItem.php.

Referenced by getThumbnailTarget().

        {
                return $this->tried_thumb;
        }

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ilMediaItem::getWidth (  ) 

get width

Definition at line 438 of file class.ilMediaItem.php.

Referenced by create(), and update().

        {
                return $this->width;
        }

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ilMediaItem::getWorkDirectory (  ) 

get work directory for image map editing

Definition at line 594 of file class.ilMediaItem.php.

References ilUtil::getDataDir(), and getId().

Referenced by createWorkDirectory(), and getMapWorkCopyName().

        {
                return ilUtil::getDataDir()."/map_workfiles/item_".$this->getId();
        }

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ilMediaItem::ilMediaItem ( $  a_id = 0  ) 

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

References $ilias, read(), and setId().

Referenced by _getMediaItemsOfMOb().

        {
                global $ilias;

                $this->ilias =& $ilias;
                $this->parameters = array();
                $this->mapareas = array();
                $this->map_cnt = 0;

                if ($a_id != 0)
                {
                        $this->setId($a_id);
                        $this->read();
                }
        }

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ilMediaItem::makeMapWorkCopy ( $  a_area_nr = 0,
$  a_exclude = false 
)

make map work copy of image

Parameters:
int $a_area_nr draw area $a_area_nr only
boolean $a_exclude true: draw all areas but area $a_area_nr

Definition at line 726 of file class.ilMediaItem.php.

References buildMapWorkImage(), ilUtil::convertImage(), createWorkDirectory(), getDirectory(), getLocation(), getMapWorkCopyName(), getMapWorkCopyType(), getMapWorkImage(), and saveMapWorkImage().

        {
                $this->createWorkDirectory();
                ilUtil::convertImage($this->getDirectory()."/".$this->getLocation(),
                        $this->getMapWorkCopyName(),
                        $this->getMapWorkCopyType());

                $this->buildMapWorkImage();

                // draw map areas
                for ($i=0; $i < count($this->mapareas); $i++)
                {
                        if (    ((($i+1) == $a_area_nr) && !$a_exclude) ||
                                        ((($i+1) != $a_area_nr) && $a_exclude) ||
                                        ($a_area_nr == 0)
                                )
                        {
                                $area =& $this->mapareas[$i];
                                $area->draw($this->getMapWorkImage(), $this->color1, $this->color2);
                        }
                }

                $this->saveMapWorkImage();
        }

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ilMediaItem::outputMapWorkCopy (  ) 

output raw map work copy file

Definition at line 775 of file class.ilMediaItem.php.

References exit, getMapWorkCopyName(), and getMapWorkCopyType().

        {
                if ($this->getMapWorkCopyType() != "")
                {
                        header("Pragma: no-cache");
                        header("Expires: 0");
                        header("Content-type: image/".strtolower($this->getMapWorkCopyType()));
                        readfile($this->getMapWorkCopyName());
                }
                exit;
        }

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ilMediaItem::read (  ) 

read media item data (item id or (mob_id and nr) must be set)

Definition at line 211 of file class.ilMediaItem.php.

References $mob_id, $nr, $query, ilMapArea::_getMaxNr(), addMapArea(), getId(), getMobId(), getNr(), setCaption(), setFormat(), setHAlign(), setHeight(), setId(), setLocation(), setLocationType(), setMobId(), setNr(), setParameter(), setPurpose(), setThumbTried(), and setWidth().

Referenced by ilMediaItem().

        {
                $item_id = $this->getId();
                $mob_id = $this->getMobId();
                $nr = $this->getNr();
                $query = "";
                if($item_id > 0)
                {
                        $query = "SELECT * FROM media_item WHERE id = '".$this->getId()."'";
                }
                else if ($mob_id > 0 && $nr > 0)
                {
                        $query = "SELECT * FROM media_item WHERE mob_id = '".$this->getMobId()."' ".
                                "AND nr='".$this->getNr()."'";
                }
                if ($query != "")
                {
                        $item_set = $this->ilias->db->query($query);
                        $item_rec = $item_set->fetchRow(DB_FETCHMODE_ASSOC);

                        $this->setLocation($item_rec["location"]);
                        $this->setLocationType($item_rec["location_type"]);
                        $this->setFormat($item_rec["format"]);
                        $this->setWidth($item_rec["width"]);
                        $this->setHeight($item_rec["height"]);
                        $this->setHAlign($item_rec["halign"]);
                        $this->setCaption($item_rec["caption"]);
                        $this->setPurpose($item_rec["purpose"]);
                        $this->setNr($item_rec["nr"]);
                        $this->setMobId($item_rec["mob_id"]);
                        $this->setId($item_rec["id"]);
                        $this->setThumbTried($item_rec["tried_thumb"]);

                        // get item parameter
                        $query = "SELECT * FROM mob_parameter WHERE med_item_id = '".
                                $this->getId()."'";
                        $par_set = $this->ilias->db->query($query);
                        while ($par_rec = $par_set->fetchRow(DB_FETCHMODE_ASSOC))
                        {
                                $this->setParameter($par_rec["name"], $par_rec["value"]);
                        }

                        // get item map areas
                        $max = ilMapArea::_getMaxNr($this->getId());
                        for ($i = 1; $i <= $max; $i++)
                        {
                                $area =& new ilMapArea($this->getId(), $i);
                                $this->addMapArea($area);
                        }
                }

        }

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ilMediaItem::resetParameters (  ) 

reset parameters

Definition at line 541 of file class.ilMediaItem.php.

Referenced by setParameters().

        {
                $this->parameters = array();
        }

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ilMediaItem::saveMapWorkImage (  ) 

save image map work image

Definition at line 825 of file class.ilMediaItem.php.

References getMapWorkCopyName(), and getMapWorkCopyType().

Referenced by addAreaToMapWorkCopy(), and makeMapWorkCopy().

        {
                $im_type = strtolower($this->getMapWorkCopyType());

                // save image work-copy and free memory
                switch ($im_type)
                {
                        case "gif":
                                ImageGIF($this->map_image, $this->getMapWorkCopyName());
                                break;

                        case "jpg":
                                ImageJPEG($this->map_image, $this->getMapWorkCopyName());
                                break;

                        case "png":
                                ImagePNG($this->map_image, $this->getMapWorkCopyName());
                                break;
                }

                ImageDestroy($this->map_image);
        }

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ilMediaItem::setCaption ( $  a_caption  ) 

set caption

Definition at line 497 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->caption = $a_caption;
        }

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ilMediaItem::setFormat ( $  a_format  ) 

Definition at line 381 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->format = $a_format;
        }

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ilMediaItem::setHAlign ( $  a_halign  ) 

set horizontal align

Definition at line 513 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->halign = $a_halign;
        }

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ilMediaItem::setHeight ( $  a_height  ) 

set height

Definition at line 462 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->height = $a_height;
        }

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ilMediaItem::setId ( $  a_id  ) 

set media item id

Parameters:
int $a_id media item id

Definition at line 78 of file class.ilMediaItem.php.

Referenced by create(), ilMediaItem(), and read().

        {
                $this->id = $a_id;
        }

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ilMediaItem::setLocation ( $  a_location  ) 

Definition at line 361 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->location = $a_location;
        }

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ilMediaItem::setLocationType ( $  a_type  ) 

Definition at line 371 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->location_type = $a_type;
        }

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ilMediaItem::setMobId ( $  a_mob_id  ) 

set id of parent media object

Parameters:
int $a_mob_id media object id

Definition at line 98 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->mob_id = $a_mob_id;
        }

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ilMediaItem::setNr ( $  a_nr  ) 

set number of media item within media object

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

Referenced by read().

        {
                $this->nr = $a_nr;
        }

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ilMediaItem::setParameter ( $  a_name,
$  a_value 
)

set parameter

Parameters:
string $a_name parameter name
string $a_value parameter value

Definition at line 533 of file class.ilMediaItem.php.

Referenced by read(), and setParameters().

        {
                $this->parameters[$a_name] = $a_value;
        }

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ilMediaItem::setParameters ( $  a_par  ) 

set alle parameters via parameter string (format: par1="value1", par2="value2", ...)

Parameters:
string $a_par parameter string

Definition at line 551 of file class.ilMediaItem.php.

References ilUtil::extractParameterString(), resetParameters(), and setParameter().

        {
                $this->resetParameters();
                $par_arr = ilUtil::extractParameterString($a_par);
                if(is_array($par_arr))
                {
                        foreach($par_arr as $par => $val)
                        {
                                $this->setParameter($par, $val);
                        }
                }
        }

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ilMediaItem::setPurpose ( $  a_purpose  ) 

Definition at line 351 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->purpose = $a_purpose;
        }

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ilMediaItem::setThumbTried ( $  a_tried  ) 

Definition at line 391 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->tried_thumb = $a_tried;
        }

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ilMediaItem::setWidth ( $  a_width  ) 

set width

Definition at line 446 of file class.ilMediaItem.php.

Referenced by read().

        {
                $this->width = $a_width;
        }

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ilMediaItem::update (  ) 

update media item data (without map areas!)

Definition at line 174 of file class.ilMediaItem.php.

References $query, getCaption(), getFormat(), getHAlign(), getHeight(), getId(), getLocation(), getLocationType(), getMobId(), getNr(), getParameters(), getPurpose(), and getWidth().

        {
                global $ilDB;

                $query = "UPDATE media_item SET ".
                        " mob_id = ".$ilDB->quote($this->getMobId()).",".
                        " purpose = ".$ilDB->quote($this->getPurpose()).",".
                        " location = ".$ilDB->quote($this->getLocation()).",".
                        " location_type = ".$ilDB->quote($this->getLocationType()).",".
                        " format = ".$ilDB->quote($this->getFormat()).",".
                        " width = ".$ilDB->quote($this->getWidth()).",".
                        " height = ".$ilDB->quote($this->getHeight()).",".
                        " halign = ".$ilDB->quote($this->getHAlign()).",".
                        " caption = ".$ilDB->quote($this->getCaption()).",".
                        " nr = ".$ilDB->quote($this->getNr()).
                        " WHERE id = ".$ilDB->quote($this->getId());
                $this->ilias->db->query($query);

                // delete mob parameters
                $query = "DELETE FROM mob_parameter WHERE med_item_id = ".
                        $ilDB->quote($this->getId());

                // create mob parameters
                $params = $this->getParameters();
                foreach($params as $name => $value)
                {
                        $query = "INSERT INTO mob_parameter (med_item_id, name, value) VALUES ".
                                "(".$ilDB->quote($this->getId()).",".
                                $ilDB->quote($name).",".
                                $ilDB->quote($value).")";
                        $this->ilias->db->query($query);
                }
        }

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ilMediaItem::writeThumbTried ( $  a_tried  ) 

write thumbnail creation try data ("y"/"n")

Definition at line 267 of file class.ilMediaItem.php.

References $q, and getId().

Referenced by getThumbnailTarget().

        {
                global $ilDB;
                
                $q = "UPDATE media_item SET tried_thumb=".
                        $ilDB->quote($a_tried).
                        " WHERE id = ".$ilDB->quote($this->getId());
                        
                $ilDB->query($q);
        }

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Field Documentation

ilMediaItem::$caption

Definition at line 46 of file class.ilMediaItem.php.

ilMediaItem::$color1

Definition at line 54 of file class.ilMediaItem.php.

ilMediaItem::$color2

Definition at line 55 of file class.ilMediaItem.php.

ilMediaItem::$format

Definition at line 43 of file class.ilMediaItem.php.

ilMediaItem::$halign

Definition at line 47 of file class.ilMediaItem.php.

ilMediaItem::$height

Definition at line 45 of file class.ilMediaItem.php.

ilMediaItem::$id

Definition at line 39 of file class.ilMediaItem.php.

ilMediaItem::$ilias

Definition at line 38 of file class.ilMediaItem.php.

Referenced by ilMediaItem().

ilMediaItem::$location

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

ilMediaItem::$location_type

Definition at line 42 of file class.ilMediaItem.php.

ilMediaItem::$map_cnt

Definition at line 52 of file class.ilMediaItem.php.

ilMediaItem::$map_image

Definition at line 53 of file class.ilMediaItem.php.

ilMediaItem::$mapareas

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

ilMediaItem::$mob_id

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

Referenced by read().

ilMediaItem::$nr

Definition at line 50 of file class.ilMediaItem.php.

Referenced by deleteMapArea(), getMapArea(), and read().

ilMediaItem::$parameters

Definition at line 48 of file class.ilMediaItem.php.

ilMediaItem::$purpose

Definition at line 40 of file class.ilMediaItem.php.

ilMediaItem::$width

Definition at line 44 of file class.ilMediaItem.php.

The documentation for this class was generated from the following file:
Generated on Fri Dec 13 2013 13:52:31 for ILIAS Release_3_7_x_branch .rev 46817 by  doxygen 1.7.1