ilPCMediaObject Class Reference

Class ilPCMediaObject. More...

Inheritance diagram for ilPCMediaObject:

Collaboration diagram for ilPCMediaObject:

Public Member Functions
	init ()
	Init page content component. More...
	readMediaObject ($a_mob_id=0)
	Read/get Media Object. More...
	setNode ($a_node)
	setDom (&$a_dom)
	set dom object More...
	setHierId ($a_hier_id)
	set hierarchical edit id More...
	setMediaObject ($a_mediaobject)
	Set Media Object. More...
	getMediaObject ()
	Get Media Object. More...
	createMediaObject ()
	create (&$a_pg_obj, $a_hier_id)
	Create pc media object. More...
	createAlias (&$a_pg_obj, $a_hier_id, $a_pc_id="")
	Create an media alias in page. More...
	updateObjectReference ()
	Updates the media object referenced by the media alias. More...
	dumpXML ()
	Dump node xml. More...
	setClass ($a_class)
	Set Style Class of table. More...
	getClass ()
	Get characteristic of section. More...
	modifyPageContentPostXsl ($a_html, $a_mode, $a_abstract_only=false)
	getJavascriptFiles ($a_mode)
	getCssFiles ($a_mode)
	getStandardMediaAliasItem ()
	getFullscreenMediaAliasItem ()
Public Member Functions inherited from ilPageContent
	__construct ($a_pg_obj)
	Constructor. More...
	setPage ($a_val)
	Set page. More...
	getPage ()
	Get page. More...
	init ()
	Init object. More...
	getType ()
	Get type of page content. More...
	setNode ($a_node)
	Set xml node of page content. More...
&	getNode ()
	Get xml node of page content. More...
	getJavascriptFiles ($a_mode)
	Get Javascript files. More...
	getCssFiles ($a_mode)
	Get css files. More...
	getOnloadCode ($a_mode)
	Get on load code. More...
	setHierId ($a_hier_id)
	Set hierarchical ID in xml structure. More...
	getHierId ()
	Get hierarchical id. More...
	lookupHierId ()
	Get hierarchical id from dom. More...
	readHierId ()
	Read PC Id. More...
	setPcId ($a_pcid)
	Set PC Id. More...
	getPCId ()
	Get PC Id. More...
	setFileDownloadLink ($a_download_link)
	Set file download link. More...
	getFileDownloadLink ()
	Get file download link. More...
	setProfileBackUrl ($url)
	getProfileBackUrl ()
	setFullscreenLink ($a_fullscreen_link)
	Set fullscreen link. More...
	getFullscreenLink ()
	Get fullscreen link. More...
	setSourcecodeDownloadScript ($script_name)
	Set sourcecode download script. More...
	getSourcecodeDownloadScript ()
	Get sourcecode download script. More...
	readPCId ()
	Read PC Id. More...
	writePCId ($a_pc_id)
	Write pc id. More...
	setEnabled ($value)
	Set Enabled value for page content component. More...
	enable ()
	Enable page content. More...
	disable ()
	Disable page content. More...
	isEnabled ()
	Check whether page content is enabled. More...
	createPageContentNode ($a_set_this_node=true)
	Create page content node (always use this method first when adding a new element) More...
	modifyPageContentPostXsl ($a_output, $a_mode, $a_abstract_only=false)
	Modify page content after xsl. More...
	getModel ()
	Get model. More...

Static Public Member Functions
static	getLangVars ()
	Get lang vars needed for editing. More...
static	afterPageUpdate ($a_page, DOMDocument $a_domdoc, $a_xml, $a_creation)
	After page has been updated (or created) More...
static	beforePageDelete ($a_page)
	Before page is being deleted. More...
static	afterPageHistoryEntry ($a_page, DOMDocument $a_old_domdoc, $a_old_xml, $a_old_nr)
	After page history entry has been created. More...
static	saveMobUsage ($a_page, $a_domdoc, $a_old_nr=0)
	Save all usages of media objects (media aliases, media objects, internal links) More...
Static Public Member Functions inherited from ilPageContent
static	incEdId ($ed_id)
	Increases an hierarchical editing id at lowest level (last number) More...
static	decEdId ($ed_id)
	Decreases an hierarchical editing id at lowest level (last number) More...
static	haveSameContainer ($ed_id1, $ed_id2)
	Check, if two ids are in same container. More...
static	sortHierIds ($a_array)
	Sort an array of Hier IDS in ascending order. More...
static	isGreaterHierId ($a, $b)
	Check whether Hier ID $a is greater than Hier ID $b. More...
static	getLangVars ()
	Get lang vars needed for editing. More...
static	handleCopiedContent (DOMDocument $a_domdoc, $a_self_ass=true, $a_clone_mobs=false)
	Handle copied content. More...
static	afterPageUpdate ($a_page, DOMDocument $a_domdoc, $a_xml, $a_creation)
	After page has been updated (or created) More...
static	beforePageDelete ($a_page)
	Before page is being deleted. More...
static	afterPageHistoryEntry ($a_page, DOMDocument $a_old_domdoc, $a_old_xml, $a_old_nr)
	After page history entry has been created. More...

Protected Attributes
	$user
	$mob_node
	$ui
	$mediaobject
	$lng
Protected Attributes inherited from ilPageContent
	$profile_back_url
	$file_download_link
	$fullscreen_link
	$sourcecode_download_script
	$log

Additional Inherited Members
Data Fields inherited from ilPageContent
	$hier_id
	$node
	$dom
	$page_lang
Protected Member Functions inherited from ilPageContent
	setType ($a_type)
	Set Type. More...

Detailed Description

Class ilPCMediaObject.

Media content object (see ILIAS DTD)

Author

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version

$Id$

Definition at line 16 of file class.ilPCMediaObject.php.

Member Function Documentation

afterPageHistoryEntry()

static ilPCMediaObject::afterPageHistoryEntry (   $a_page, DOMDocument  $a_old_domdoc,   $a_old_xml,   $a_old_nr  )

static

After page history entry has been created.

Parameters

object	$a_page	page object
DOMDocument	$a_old_domdoc	old dom document
string	$a_old_xml	old xml
integer	$a_old_nr	history number

Definition at line 360 of file class.ilPCMediaObject.php.

    {
        self::saveMobUsage($a_page, $a_old_domdoc, $a_old_nr);
    }

afterPageUpdate()

static ilPCMediaObject::afterPageUpdate (   $a_page, DOMDocument  $a_domdoc,   $a_xml,   $a_creation  )

static

After page has been updated (or created)

Parameters

object	$a_page	page object
DOMDocument	$a_domdoc	dom document
string	$a_xml	xml
bool	$a_creation	true on creation, otherwise false

Definition at line 296 of file class.ilPCMediaObject.php.

References ilObject\_exists(), ilObjMediaObject\_getMobsOfObject(), and ilObject\_lookupType().

    {
        if (!$a_page->getImportMode()) {
            include_once("./Services/MediaObjects/classes/class.ilObjMediaObject.php");
            $mob_ids = ilObjMediaObject::_getMobsOfObject(
                $a_page->getParentType() . ":pg",
                $a_page->getId(),
                0,
                $a_page->getLanguage()
            );
            self::saveMobUsage($a_page, $a_domdoc);
            foreach ($mob_ids as $mob) {        // check, whether media object can be deleted
                if (ilObject::_exists($mob) && ilObject::_lookupType($mob) == "mob") {
                    $mob_obj = new ilObjMediaObject($mob);
                    $usages = $mob_obj->getUsages(false);
                    if (count($usages) == 0) {  // delete, if no usage exists
                        $mob_obj->delete();
                    }
                }
            }
        }
    }

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beforePageDelete()

static ilPCMediaObject::beforePageDelete (   $a_page )

static

Before page is being deleted.

Parameters

object

$a_page

page object

Definition at line 324 of file class.ilPCMediaObject.php.

References ilObjMediaObject\_deleteAllUsages(), ilObject\_exists(), ilObjMediaObject\_getMobsOfObject(), and ilObject\_lookupType().

    {
        include_once("./Services/MediaObjects/classes/class.ilObjMediaObject.php");
        $mob_ids = ilObjMediaObject::_getMobsOfObject(
            $a_page->getParentType() . ":pg",
            $a_page->getId(),
            0,
            $a_page->getLanguage()
        );

        ilObjMediaObject::_deleteAllUsages(
            $a_page->getParentType() . ":pg",
            $a_page->getId(),
            false,
            $a_page->getLanguage()
        );

        foreach ($mob_ids as $mob) {    // check, whether media object can be deleted
            if (ilObject::_exists($mob) && ilObject::_lookupType($mob) == "mob") {
                $mob_obj = new ilObjMediaObject($mob);
                $usages = $mob_obj->getUsages(false);
                if (count($usages) == 0) {      // delete, if no usage exists
                    $mob_obj->delete();
                }
            }
        }
    }

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create()

ilPCMediaObject::create	(	&	$a_pg_obj,
			$a_hier_id
	)

Create pc media object.

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

References ilPageContent\createPageContentNode().

    {
        $this->node = $this->createPageContentNode();
    }

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createAlias()

ilPCMediaObject::createAlias	(	&	$a_pg_obj,
			$a_hier_id,
			$a_pc_id = ""
	)

Create an media alias in page.

Parameters

object	$a_pg_obj	page object
string	$a_hier_id	hierarchical ID w

Definition at line 127 of file class.ilPCMediaObject.php.

References getMediaObject(), and IL_INSERT_AFTER.

    {
        $this->node = $this->dom->create_element("PageContent");
        $a_pg_obj->insertContent($this, $a_hier_id, IL_INSERT_AFTER, $a_pc_id);
        $this->mob_node = $this->dom->create_element("MediaObject");
        $this->mob_node = $this->node->append_child($this->mob_node);
        $this->mal_node = $this->dom->create_element("MediaAlias");
        $this->mal_node = $this->mob_node->append_child($this->mal_node);
        $this->mal_node->set_attribute("OriginId", "il__mob_" . $this->getMediaObject()->getId());

        // standard view
        $item_node = $this->dom->create_element("MediaAliasItem");
        $item_node = $this->mob_node->append_child($item_node);
        $item_node->set_attribute("Purpose", "Standard");
        $media_item = $this->getMediaObject()->getMediaItem("Standard");

        $layout_node = $this->dom->create_element("Layout");
        $layout_node = $item_node->append_child($layout_node);
        if ($media_item->getWidth() > 0) {
            //$layout_node->set_attribute("Width", $media_item->getWidth());
        }
        if ($media_item->getHeight() > 0) {
            //$layout_node->set_attribute("Height", $media_item->getHeight());
        }
        $layout_node->set_attribute("HorizontalAlign", "Left");

        // caption
        if ($media_item->getCaption() != "") {
            $cap_node = $this->dom->create_element("Caption");
            $cap_node = $item_node->append_child($cap_node);
            $cap_node->set_attribute("Align", "bottom");
            $cap_node->set_content($media_item->getCaption());
        }

        // text representation
        if ($media_item->getTextRepresentation() != "") {
            $tr_node = $this->dom->create_element("TextRepresentation");
            $tr_node = $item_node->append_child($tr_node);
            $tr_node->set_content($media_item->getTextRepresentation());
        }

        $pars = $media_item->getParameters();
        foreach ($pars as $par => $val) {
            $par_node = $this->dom->create_element("Parameter");
            $par_node = $item_node->append_child($par_node);
            $par_node->set_attribute("Name", $par);
            $par_node->set_attribute("Value", $val);
        }

        // fullscreen view
        $fullscreen_item = $this->getMediaObject()->getMediaItem("Fullscreen");
        if (is_object($fullscreen_item)) {
            $item_node = $this->dom->create_element("MediaAliasItem");
            $item_node = $this->mob_node->append_child($item_node);
            $item_node->set_attribute("Purpose", "Fullscreen");

            // width and height
            $layout_node = $this->dom->create_element("Layout");
            $layout_node = $item_node->append_child($layout_node);
            if ($fullscreen_item->getWidth() > 0) {
                $layout_node->set_attribute("Width", $fullscreen_item->getWidth());
            }
            if ($fullscreen_item->getHeight() > 0) {
                $layout_node->set_attribute("Height", $fullscreen_item->getHeight());
            }

            // caption
            if ($fullscreen_item->getCaption() != "") {
                $cap_node = $this->dom->create_element("Caption");
                $cap_node = $item_node->append_child($cap_node);
                $cap_node->set_attribute("Align", "bottom");
                $cap_node->set_content($fullscreen_item->getCaption());
            }

            // text representation
            if ($fullscreen_item->getTextRepresentation() != "") {
                $tr_node = $this->dom->create_element("TextRepresentation");
                $tr_node = $item_node->append_child($tr_node);
                $tr_node->set_content($fullscreen_item->getTextRepresentation());
            }

            $pars = $fullscreen_item->getParameters();
            foreach ($pars as $par => $val) {
                $par_node = $this->dom->create_element("Parameter");
                $par_node = $item_node->append_child($par_node);
                $par_node->set_attribute("Name", $par);
                $par_node->set_attribute("Value", $val);
            }
        }
    }

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createMediaObject()

ilPCMediaObject::createMediaObject

(

)

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

References setMediaObject().

    {
        $this->setMediaObject(new ilObjMediaObject());
    }

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dumpXML()

ilPCMediaObject::dumpXML

(

)

Dump node xml.

Definition at line 236 of file class.ilPCMediaObject.php.

References $xml.

    {
        $xml = $this->dom->dump_node($this->node);
        return $xml;
    }

getClass()

ilPCMediaObject::getClass

(

)

Get characteristic of section.

Returns

string characteristic

Definition at line 268 of file class.ilPCMediaObject.php.

    {
        if (is_object($this->mob_node)) {
            $mal_node = $this->mob_node->first_child();
            if (is_object($mal_node)) {
                $class = $mal_node->get_attribute("Class");
                return $class;
            }
        }
    }

getCssFiles()

ilPCMediaObject::getCssFiles

(

$a_mode

)

Definition at line 493 of file class.ilPCMediaObject.php.

References ilPlayerUtil\getCssFilePaths().

    {
        $js_files = ilPlayerUtil::getCssFilePaths();

        return $js_files;
    }

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getFullscreenMediaAliasItem()

ilPCMediaObject::getFullscreenMediaAliasItem

(

)

Returns

ilMediaAliasItem

Definition at line 517 of file class.ilPCMediaObject.php.

References ilPageContent\getHierId(), getMediaObject(), ilPageContent\getPage(), and getStandardMediaAliasItem().

                                                  : ilMediaAliasItem
    {
        $std_alias_item = new ilMediaAliasItem(
            $this->dom,
            $this->getHierId(),
            "Fullscreen",
            $this->getPcId()
        );
        return $std_alias_item;
    }

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getJavascriptFiles()

ilPCMediaObject::getJavascriptFiles

(

$a_mode

)

Definition at line 483 of file class.ilPCMediaObject.php.

References ilPlayerUtil\getJsFilePaths(), and iljQueryUtil\getLocalMaphilightPath().

    {
        $js_files = ilPlayerUtil::getJsFilePaths();
        $js_files[] = iljQueryUtil::getLocalMaphilightPath();
        return $js_files;
    }

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getLangVars()

static ilPCMediaObject::getLangVars ( )

static

Get lang vars needed for editing.

Returns

array array of lang var keys

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

    {
        return array("pc_mob");
    }

getMediaObject()

ilPCMediaObject::getMediaObject

(

)

Get Media Object.

Returns

object Media Object

Definition at line 103 of file class.ilPCMediaObject.php.

References $mediaobject.

Referenced by ilPCMediaObjectQuickEdit\__construct(), createAlias(), getFullscreenMediaAliasItem(), and updateObjectReference().

                                     : ilObjMediaObject
    {
        return $this->mediaobject;
    }

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getStandardMediaAliasItem()

ilPCMediaObject::getStandardMediaAliasItem

(

)

Returns

ilMediaAliasItem

Definition at line 503 of file class.ilPCMediaObject.php.

References ilPageContent\getHierId().

Referenced by getFullscreenMediaAliasItem().

                                                : ilMediaAliasItem
    {
        $std_alias_item = new ilMediaAliasItem(
            $this->dom,
            $this->getHierId(),
            "Standard",
            $this->getPcId()
        );
        return $std_alias_item;
    }

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init()

ilPCMediaObject::init

(

)

Init page content component.

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

References $DIC, ilPageContent\setType(), ui(), and user().

    {
        global $DIC;

        $this->user = $DIC->user();
        $this->setType("media");
        $this->ui = $DIC->ui();
        $this->lng = $DIC->language();
    }

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modifyPageContentPostXsl()

ilPCMediaObject::modifyPageContentPostXsl	(		$a_html,
			$a_mode,
			$a_abstract_only = false
	)

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

References $ilUser, $user, ilObjMediaObject\_getDirectory(), ilObjMediaObject\_getMobsOfObject(), ilPageContent\getPage(), and ui().

    {
        $ilUser = $this->user;

        if ($a_mode == "offline") {
            $page = $this->getPage();

            $mob_ids = ilObjMediaObject::_getMobsOfObject(
                $page->getParentType() . ":pg",
                $page->getId(),
                0,
                $page->getLanguage()
            );
            foreach ($mob_ids as $mob_id) {
                $mob = new ilObjMediaObject($mob_id);
                $srts = $mob->getSrtFiles();
                foreach ($srts as $srt) {
                    if ($ilUser->getLanguage() == $srt["language"]) {
                        $srt_content = file_get_contents(ilObjMediaObject::_getDirectory($mob->getId()) . "/" . $srt["full_path"]);
                        $a_html = str_replace("[[[[[mobsubtitle;il__mob_" . $mob->getId() . "_Standard]]]]]", $srt_content, $a_html);
                    }
                }
            }
        }

        if ($a_abstract_only) {
            return $a_html;
        }

        // add fullscreen modals
        $page = $this->getPage();
        $suffix = "-" . $page->getParentType() . "-" . $page->getId();
        $modal = $this->ui->factory()->modal()->roundtrip(
            $this->lng->txt("cont_fullscreen"),
            $this->ui->factory()->legacy("<iframe class='il-copg-mob-fullscreen' id='il-copg-mob-fullscreen" . $suffix . "'></iframe>")
        );
        $show_signal = $modal->getShowSignal();

        return $a_html . "<div class='il-copg-mob-fullscreen-modal'>" . $this->ui->renderer()->render($modal) . "</div><script>$(function () { il.COPagePres.setFullscreenModalShowSignal('" .
            $show_signal . "', '" . $suffix . "'); });</script>";
    }

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readMediaObject()

ilPCMediaObject::readMediaObject

(

$a_mob_id = 0

)

Read/get Media Object.

Parameters

int	media object ID

Definition at line 58 of file class.ilPCMediaObject.php.

References setMediaObject().

    {
        if ($a_mob_id > 0) {
            $mob = new ilObjMediaObject($a_mob_id);
            $this->setMediaObject($mob);
        }
    }

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saveMobUsage()

static ilPCMediaObject::saveMobUsage (   $a_page,   $a_domdoc,   $a_old_nr = 0  )

static

Save all usages of media objects (media aliases, media objects, internal links)

Parameters

string

$a_xml

xml data of page

Definition at line 370 of file class.ilPCMediaObject.php.

References ilPageContent\$node, ilObjMediaObject\_deleteAllUsages(), ilObject\_lookupType(), and ilObjMediaObject\_saveUsage().

    {
        $usages = array();
        
        // media aliases
        $xpath = new DOMXPath($a_domdoc);
        $nodes = $xpath->query('//MediaAlias');
        foreach ($nodes as $node) {
            $id_arr = explode("_", $node->getAttribute("OriginId"));
            $mob_id = $id_arr[count($id_arr) - 1];
            if ($mob_id > 0 && $id_arr[1] == "") {
                $usages[$mob_id] = true;
            }
        }

        // media objects
        $xpath = new DOMXPath($a_domdoc);
        $nodes = $xpath->query('//MediaObject/MetaData/General/Identifier');
        foreach ($nodes as $node) {
            $mob_entry = $node->getAttribute("Entry");
            $mob_arr = explode("_", $mob_entry);
            $mob_id = $mob_arr[count($mob_arr) - 1];
            if ($mob_id > 0 && $mob_arr[1] == "") {
                $usages[$mob_id] = true;
            }
        }

        // internal links
        $xpath = new DOMXPath($a_domdoc);
        $nodes = $xpath->query("//IntLink[@Type='MediaObject']");
        foreach ($nodes as $node) {
            $mob_target = $node->getAttribute("Target");
            $mob_arr = explode("_", $mob_target);
            //echo "<br>3<br>";
            //echo $mob_target."<br>";
            //var_dump($mob_arr);
            $mob_id = $mob_arr[count($mob_arr) - 1];
            if ($mob_id > 0 && $mob_arr[1] == "") {
                $usages[$mob_id] = true;
            }
        }

        include_once("./Services/MediaObjects/classes/class.ilObjMediaObject.php");
        ilObjMediaObject::_deleteAllUsages(
            $a_page->getParentType() . ":pg",
            $a_page->getId(),
            $a_old_nr,
            $a_page->getLanguage()
        );
        foreach ($usages as $mob_id => $val) {
            // save usage, if object exists...
            if (ilObject::_lookupType($mob_id) == "mob") {
                ilObjMediaObject::_saveUsage(
                    $mob_id,
                    $a_page->getParentType() . ":pg",
                    $a_page->getId(),
                    $a_old_nr,
                    $a_page->getLanguage()
                );
            }
        }
        
        return $usages;
    }

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setClass()

ilPCMediaObject::setClass

(

$a_class

)

Set Style Class of table.

Parameters

string

$a_class

class

Definition at line 247 of file class.ilPCMediaObject.php.

    {
        if (is_object($this->mob_node)) {
            $mal_node = $this->mob_node->first_child();
            if (is_object($mal_node)) {
                if (!empty($a_class)) {
                    $mal_node->set_attribute("Class", $a_class);
                } else {
                    if ($mal_node->has_attribute("Class")) {
                        $mal_node->remove_attribute("Class");
                    }
                }
            }
        }
    }

setDom()

ilPCMediaObject::setDom

(

&

$a_dom

)

set dom object

Definition at line 75 of file class.ilPCMediaObject.php.

    {
        $this->dom = $a_dom;
    }

setHierId()

ilPCMediaObject::setHierId

(

$a_hier_id

)

set hierarchical edit id

Definition at line 83 of file class.ilPCMediaObject.php.

    {
        $this->hier_id = $a_hier_id;
    }

setMediaObject()

ilPCMediaObject::setMediaObject

(

$a_mediaobject

)

Set Media Object.

Parameters

object

$a_mediaobject

Media Object

Definition at line 93 of file class.ilPCMediaObject.php.

Referenced by createMediaObject(), and readMediaObject().

    {
        $this->mediaobject = $a_mediaobject;
    }

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setNode()

ilPCMediaObject::setNode

(

$a_node

)

Definition at line 66 of file class.ilPCMediaObject.php.

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

updateObjectReference()

ilPCMediaObject::updateObjectReference

(

)

Updates the media object referenced by the media alias.

This makes only sense, after the media object has changed. (-> change object reference function)

Definition at line 223 of file class.ilPCMediaObject.php.

References getMediaObject().

    {
        if (is_object($this->mob_node)) {
            $this->mal_node = $this->mob_node->first_child();
            if (is_object($this->mal_node) && $this->mal_node->node_name() == "MediaAlias") {
                $this->mal_node->set_attribute("OriginId", "il__mob_" . $this->getMediaObject()->getId());
            }
        }
    }

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Field Documentation

$lng

ilPCMediaObject::$lng

protected

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

$mediaobject

ilPCMediaObject::$mediaobject

protected

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

Referenced by getMediaObject().

$mob_node

ilPCMediaObject::$mob_node

protected

Definition at line 23 of file class.ilPCMediaObject.php.

$ui

ilPCMediaObject::$ui

protected

Definition at line 28 of file class.ilPCMediaObject.php.

$user

ilPCMediaObject::$user

protected

Definition at line 21 of file class.ilPCMediaObject.php.

Referenced by modifyPageContentPostXsl().

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

• Services/COPage/classes/class.ilPCMediaObject.php