Collaboration diagram for ilCloudFileTree:

Public Member Functions
	__construct ($root_path="/", $root_id="root", $id, $service_name)
	getId ()
	getRootPath ()
	getServiceName ()
	isCaseSensitive ()
	setCaseSensitive ($case_sensitive)
	getRootNode ()
	addNode ($path, $id, $is_Dir, $modified=null, $size=0)
	removeNode ($path)
	getItemList ()
	getNodeFromPath ($path="/")
	getNodeFromId ($id)
	setLoadingOfFolderComplete ($path)
	updateFileTree ($current_path)
	addItemsFromService ($folder_id)
	addFolderToService ($id, $folder_name)
	uploadFileToService ($current_id, $tmp_name, $file_name)
	deleteFromService ($id)
	downloadFromService ($id)
	storeFileTreeToSession ()
	orderListAlphabet ($path1, $path2)
	getSortedListOfChildren (ilCloudFileNode $node)
	getListForJSONEncode ()

Static Public Member Functions
static	getFileTreeFromSession ()
static	clearFileTreeSession ()

Protected Member Functions
	setId ($id)
	setRootPath ($path="/")
	setServiceName ($service_name)
	createNode ($path="/", $id, $is_dir=false)

Protected Attributes
	$id = 0
	$root_node = null
	$root_path = ""
	$item_list = array()
	$id_to_path_map = array()
	Only for better performance.
	$service_name = ""
	$case_sensitive = false

Detailed Description

ilCloudFileTree class

Representation of the structure of all files and folders so far. Not really a tree but a list simulating a tree (for faster access on the nodes). This class also calls the functions of a service to update the tree (addToFileTree, deleteItem, etc.)

Author: Timon Amstutz timon.nosp@m..ams.nosp@m.tutz@.nosp@m.ilub.nosp@m..unib.nosp@m.e.ch

Version: $Id$

Definition at line 20 of file class.ilCloudFileTree.php.

Constructor & Destructor Documentation

ilCloudFileTree::__construct	(	$root_path = `"/"`,
		$root_id = `"root"`,
		$id,
		$service_name
	)

Parameters

string	$root_path
string	$root_id
int	$id
string	$service_name
bool	$case_sensitive

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

References $id, $root_path, $service_name, createNode(), ilCloudConnector\getServiceClass(), setCaseSensitive(), setId(), and setServiceName().

    {
        $this->setId($id);
        $this->root_node = $this->createNode($root_path, $root_id, true);
        $this->setServiceName($service_name);
        $service = ilCloudConnector::getServiceClass($service_name, $id);
        $this->setCaseSensitive($service->isCaseSensitive());
    }

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Member Function Documentation

ilCloudFileTree::addFolderToService	(	$id,
		$folder_name
	)

Parameters

$id
$folder_name

Exceptions

ilCloudException

Definition at line 313 of file class.ilCloudFileTree.php.

References $id, $path, addItemsFromService(), ilCloudException\FOLDER_ALREADY_EXISTING_ON_SERVICE, ilCloudException\FOLDER_CREATION_FAILED, getId(), getNodeFromId(), getNodeFromPath(), ilCloudConnector\getServiceClass(), getServiceName(), ilCloudException\INVALID_INPUT, ilCloudUtil\joinPaths(), ilCloudUtil\normalizePath(), and storeFileTreeToSession().

    {
        try
        {
            if ($folder_name == null)
            {
                throw new ilCloudException(ilCloudException::INVALID_INPUT, $folder_name);
            }
            $current_node = $this->getNodeFromId($id);
            $path = ilCloudUtil::joinPaths($current_node->getPath(), ilCloudUtil::normalizePath($folder_name));
            if($this->getNodeFromPath($path) != null)
            {
                throw new ilCloudException(ilCloudException::FOLDER_ALREADY_EXISTING_ON_SERVICE, $folder_name);
            }
            $current_node->setLoadingComplete(false);
            $this->storeFileTreeToSession();
            $service = ilCloudConnector::getServiceClass($this->getServiceName(), $this->getId());
            $service->createFolder($path, $this);
            $this->addItemsFromService($current_node->getId());
            $new_path = ilCloudUtil::joinPaths($current_node->getPath(), $folder_name);
            $new_node = $this->getNodeFromPath($new_path);
            return $new_node;
        } catch (Exception $e)
        {
            if ($e instanceof ilCloudException)
            {
                throw $e;
            }
            throw new ilCloudException(ilCloudException::FOLDER_CREATION_FAILED, $e->getMessage());
        }
    }

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ilCloudFileTree::addItemsFromService ( $folder_id )

Parameters

$path

Exceptions

ilCloudException

Definition at line 287 of file class.ilCloudFileTree.php.

References ilCloudException\ADD_ITEMS_FROM_SERVICE_FAILED, getId(), getNodeFromId(), ilCloudConnector\getServiceClass(), getServiceName(), and ilCloudException\ID_DOES_NOT_EXIST_IN_FILE_TREE_IN_SESSION.

Referenced by addFolderToService(), and updateFileTree().

    {
        try
        {
            $node = $this->getNodeFromId($folder_id);
            if(!$node)
            {
                throw new ilCloudException(ilCloudException::ID_DOES_NOT_EXIST_IN_FILE_TREE_IN_SESSION,$folder_id);
            }
            $service = ilCloudConnector::getServiceClass($this->getServiceName(), $this->getId());
            $service->addToFileTree($this, $node->getPath());
        } catch (Exception $e)
        {
            if ($e instanceof ilCloudException)
            {
                throw $e;
            }
            throw new ilCloudException(ilCloudException::ADD_ITEMS_FROM_SERVICE_FAILED,$e->getMessage());
        }
    }

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ilCloudFileTree::addNode	(	$path,
		$id,
		$is_Dir,
		$modified = `null`,
		$size = `0`
	)

Parameters

	$path
	$is_Dir
null	$modified
int	$size

Returns: ilCloudFileNode

Definition at line 169 of file class.ilCloudFileTree.php.

References $id, $path, $size, createNode(), getNodeFromId(), getNodeFromPath(), ilCloudException\ID_ALREADY_EXISTS_IN_FILE_TREE_IN_SESSION, ilCloudUtil\normalizePath(), and ilCloudException\PATH_DOES_NOT_EXIST_IN_FILE_TREE_IN_SESSION.

    {
        $path = ilCloudUtil::normalizePath($path);
        $node = $this->getNodeFromPath($path);
        //node does not yet exist
        if (!$node)
        {
            if ($this->getNodeFromId($id))
            {
                throw new ilCloudException(ilCloudException::ID_ALREADY_EXISTS_IN_FILE_TREE_IN_SESSION);
            }
            $path_of_parent = ilCloudUtil::normalizePath(dirname($path));
            $node_parent = $this->getNodeFromPath($path_of_parent);
            if(!$node_parent)
            {
                throw new ilCloudException(ilCloudException::PATH_DOES_NOT_EXIST_IN_FILE_TREE_IN_SESSION, "Parent: ".$path_of_parent);
            }
            $node        = $this->createNode($path, $id, $is_Dir);
            $node->setParentId($node_parent->getId());
            $node_parent->addChild($node->getPath());
        }
        $node->setSize($size);
        $node->setModified($modified);
        return $node;
    }

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static ilCloudFileTree::clearFileTreeSession ( )

static

Definition at line 457 of file class.ilCloudFileTree.php.

References $_SESSION.

    {
        $_SESSION['ilCloudFileTree'] = null;
    }

ilCloudFileTree::createNode	(	$path = `"/"`,
		$id,
		$is_dir = `false`
	)

protected

Parameters

string	$path
bool	$is_dir

Returns: ilCloudFileNode

Definition at line 153 of file class.ilCloudFileTree.php.

References $id, $path, and ilCloudUtil\normalizePath().

Referenced by __construct(), and addNode().

    {
        $node                              = new ilCloudFileNode(ilCloudUtil::normalizePath($path),$id);
        $this->item_list[$node->getPath()] = $node;
        $this->id_to_path_map[$node->getId()] = $node->getPath();
        $node->setIsDir($is_dir);
        return $node;
    }

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ilCloudFileTree::deleteFromService ( $id )

Parameters

$id

Exceptions

ilCloudException

Definition at line 394 of file class.ilCloudFileTree.php.

References $id, ilCloudException\DELETE_FAILED, getId(), getNodeFromId(), ilCloudConnector\getServiceClass(), getServiceName(), removeNode(), and storeFileTreeToSession().

    {
        $item_node = $this->getNodeFromId($id);
        try
        {
            $service = ilCloudConnector::getServiceClass($this->getServiceName(), $this->getId());
            $service->deleteItem($item_node->getPath(), $this);
            $this->removeNode($item_node->getPath());
            $this->storeFileTreeToSession();
        } catch (Exception $e)
        {
            if ($e instanceof ilCloudException)
            {
                throw $e;
            }
            throw new ilCloudException(ilCloudException::DELETE_FAILED, $e->getMessage());
        }
    }

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ilCloudFileTree::downloadFromService ( $id )

Parameters

$id

Exceptions

ilCloudException

Definition at line 418 of file class.ilCloudFileTree.php.

References $id, ilCloudException\DOWNLOAD_FAILED, getId(), getNodeFromId(), ilCloudConnector\getServiceClass(), and getServiceName().

    {
        try
        {
            $service = ilCloudConnector::getServiceClass($this->getServiceName(), $this->getId());
            $node = $this->getNodeFromId($id);
            $service->getFile($node->getPath(), $this);
        } catch (Exception $e)
        {
            if ($e instanceof ilCloudException)
            {
                throw $e;
            }
            throw new ilCloudException(ilCloudException::DOWNLOAD_FAILED, $e->getMessage());
        }
    }

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static ilCloudFileTree::getFileTreeFromSession ( )

static

Returns: ilCloudFileTree fileTree;

Definition at line 444 of file class.ilCloudFileTree.php.

References $_SESSION.

Referenced by ilCloudPluginDeleteGUI\asyncDeleteItem(), ilObjCloudGUI\asyncGetActionListContent(), ilObjCloudGUI\asyncGetBlock(), ilCloudPluginCreateFolderGUI\createFolder(), ilCloudPluginDeleteGUI\deleteItem(), ilObjCloudGUI\executeCommand(), ilObjCloudGUI\getFile(), and ilCloudPluginUploadGUI\handleFileUpload().

    {
        if(isset($_SESSION['ilCloudFileTree']))
        {
            return unserialize($_SESSION['ilCloudFileTree']);
        }
        else
        {
            return false;
        }
    }

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ilCloudFileTree::getId ( )

Returns: int

Definition at line 86 of file class.ilCloudFileTree.php.

References $id.

Referenced by addFolderToService(), addItemsFromService(), deleteFromService(), downloadFromService(), and uploadFileToService().

    {
        return $this->id;
    }

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ilCloudFileTree::getItemList ( )

Returns: array

Definition at line 214 of file class.ilCloudFileTree.php.

References $item_list.

Referenced by getListForJSONEncode().

    {
        return $this->item_list;
    }

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ilCloudFileTree::getListForJSONEncode ( )

Returns: array

Definition at line 494 of file class.ilCloudFileTree.php.

References $path, and getItemList().

    {
        $list = array();
        foreach ($this->getItemList() as $path => $node)
        {
            $list[$node->getId()] = $node->getJSONEncode();
        }
        return $list;
    }

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ilCloudFileTree::getNodeFromId ( $id )

Parameters

$id

Returns: bool|ilCloudFileNode

Definition at line 245 of file class.ilCloudFileTree.php.

References $id.

Referenced by addFolderToService(), addItemsFromService(), addNode(), deleteFromService(), downloadFromService(), removeNode(), and uploadFileToService().

    {
        return $this->item_list[$this->id_to_path_map[$id]];
    }

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ilCloudFileTree::getNodeFromPath ( $path = "/" )

Parameters

string $path

Returns: ilCloudFileNode node;

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

References $path, and isCaseSensitive().

Referenced by addFolderToService(), addNode(), orderListAlphabet(), removeNode(), setLoadingOfFolderComplete(), and updateFileTree().

    {
        if (!$this->isCaseSensitive() || $this->item_list[$path])
        {
            return $this->item_list[$path];
        }
        foreach (array_keys($this->item_list) as $item)
        {
            if (strtolower($item) == strtolower($path))
            {
                return $this->item_list[$item];
            }
        }
        return null;
    }

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ilCloudFileTree::getRootNode ( )

Returns: ilCloudFileNode|null

Definition at line 143 of file class.ilCloudFileTree.php.

References $root_node.

    {
        return $this->root_node;
    }

ilCloudFileTree::getRootPath ( )

Returns: string

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

References $root_path.

    {
        return $this->root_path;
    }

ilCloudFileTree::getServiceName ( )

Returns: string

Definition at line 119 of file class.ilCloudFileTree.php.

References $service_name.

Referenced by addFolderToService(), addItemsFromService(), deleteFromService(), downloadFromService(), and uploadFileToService().

    {
        return $this->service_name;
    }

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ilCloudFileTree::getSortedListOfChildren ( ilCloudFileNode $node )

Parameters

ilCloudFileNode $node

Returns: array|null

Definition at line 484 of file class.ilCloudFileTree.php.

References ilCloudFileNode\getChildrenPathes().

    {
        $children = $node->getChildrenPathes();
        usort($children, array("ilCloudFileTree", "orderListAlphabet"));
        return $children;
    }

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ilCloudFileTree::isCaseSensitive ( )

Returns: boolean

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

References $case_sensitive.

Referenced by getNodeFromPath().

    {
        return $this->case_sensitive;
    }

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ilCloudFileTree::orderListAlphabet	(	$path1,
		$path2
	)

Parameters

$path1
$path2

Returns: int

Definition at line 467 of file class.ilCloudFileTree.php.

References getNodeFromPath().

    {
        $node1 = $this->getNodeFromPath($path1);
        $node2 = $this->getNodeFromPath($path2);
        if ($node1->getIsDir() != $node2->getIsDir())
        {
            return $node2->getIsDir() ? +1 : -1;
        }
        $nameNode1 = strtolower(basename($node1->getPath()));
        $nameNode2 = strtolower(basename($node2->getPath()));
        return ($nameNode1 > $nameNode2) ? +1 : -1;
    }

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ilCloudFileTree::removeNode ( $path )

Parameters

$path

Definition at line 202 of file class.ilCloudFileTree.php.

References $path, getNodeFromId(), and getNodeFromPath().

Referenced by deleteFromService().

    {
        $node   = $this->getNodeFromPath($path);
        $parent = $this->getNodeFromId($node->getParentId());
        $parent->removeChild($path);
        unset($this->item_list[$node->getPath()]);
        unset($this->id_to_path_map[$node->getId()]);
    }

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ilCloudFileTree::setCaseSensitive ( $case_sensitive )

Parameters

boolean $case_sensitive

Definition at line 135 of file class.ilCloudFileTree.php.

References $case_sensitive.

Referenced by __construct().

    {
        $this->case_sensitive = $case_sensitive;
    }

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ilCloudFileTree::setId ( $id )

protected

Parameters

int $id

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

References $id.

Referenced by __construct().

    {
        $this->id = $id;
    }

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ilCloudFileTree::setLoadingOfFolderComplete ( $path )

Parameters

$path

Exceptions

ilCloudException

Definition at line 254 of file class.ilCloudFileTree.php.

References $path, getNodeFromPath(), and ilCloudException\PATH_DOES_NOT_EXIST_IN_FILE_TREE_IN_SESSION.

    {
        $node = $this->getNodeFromPath($path);
        if(!$node)
        {
            throw new ilCloudException(ilCloudException::PATH_DOES_NOT_EXIST_IN_FILE_TREE_IN_SESSION,$path);
        }
        $node->setLoadingComplete(true);
    }

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ilCloudFileTree::setRootPath ( $path = "/" )

protected

Parameters

string $path

Definition at line 95 of file class.ilCloudFileTree.php.

References $path, and ilCloudUtil\normalizePath().

    {
        $this->root_path = ilCloudUtil::normalizePath($path);
    }

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ilCloudFileTree::setServiceName ( $service_name )

protected

Parameters

string $service_name

Definition at line 111 of file class.ilCloudFileTree.php.

References $service_name.

Referenced by __construct().

    {
        $this->service_name = $service_name;
    }

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ilCloudFileTree::storeFileTreeToSession ( )

Definition at line 435 of file class.ilCloudFileTree.php.

References $_SESSION.

Referenced by addFolderToService(), deleteFromService(), ilCloudPluginInitGUI\initGUI(), updateFileTree(), and uploadFileToService().

    {
        $_SESSION['ilCloudFileTree'] = null;
        $_SESSION['ilCloudFileTree'] = serialize($this);
    }

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ilCloudFileTree::updateFileTree ( $current_path )

Parameters

$current_path

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

References addItemsFromService(), getNodeFromPath(), and storeFileTreeToSession().

    {
        $node = $this->getNodeFromPath($current_path);
        if (!$node)
        {
            $this->updateFileTree(dirname($current_path));
            $node = $this->getNodeFromPath($current_path);
        }
        if (!$node->getLoadingComplete())
        {
            $this->addItemsFromService($node->getId());
        }
        $this->storeFileTreeToSession();
    }

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ilCloudFileTree::uploadFileToService	(	$current_id,
		$tmp_name,
		$file_name
	)

Parameters

$id
$tmp_name
$file_name

Exceptions

ilCloudException

Definition at line 358 of file class.ilCloudFileTree.php.

References getId(), getNodeFromId(), ilCloudConnector\getPluginClass(), ilCloudConnector\getServiceClass(), getServiceName(), storeFileTreeToSession(), ilCloudException\UPLOAD_FAILED, and ilCloudException\UPLOAD_FAILED_MAX_FILESIZE.

    {
        $plugin = ilCloudConnector::getPluginClass($this->getServiceName(), $this->getId());
        $max_file_size = $plugin->getMaxFileSize();
        if($max_file_size >= filesize($tmp_name)/(1024 * 1024))
        {
            $current_node = $this->getNodeFromId($current_id);
            $current_node->setLoadingComplete(false);
            $this->storeFileTreeToSession();
            try
            {
                $service = ilCloudConnector::getServiceClass($this->getServiceName(), $this->getId());
                $service->putFile($tmp_name, $file_name, $current_node->getPath(), $this);
            } catch (Exception $e)
            {
                if ($e instanceof ilCloudException)
                {
                    throw $e;
                }
                throw new ilCloudException(ilCloudException::UPLOAD_FAILED, $e->getMessage());
            }
        }
        else
        {
            throw new ilCloudException(ilCloudException::UPLOAD_FAILED_MAX_FILESIZE, filesize($tmp_name) / (1024 * 1024) . " MB");
        }
    }

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Field Documentation

ilCloudFileTree::$case_sensitive = false

protected

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

Referenced by isCaseSensitive(), and setCaseSensitive().

ilCloudFileTree::$id = 0

protected

Definition at line 27 of file class.ilCloudFileTree.php.

Referenced by __construct(), addFolderToService(), addNode(), createNode(), deleteFromService(), downloadFromService(), getId(), getNodeFromId(), and setId().

ilCloudFileTree::$id_to_path_map = array()

protected

Only for better performance.

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

ilCloudFileTree::$item_list = array()

protected

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

Referenced by getItemList().

ilCloudFileTree::$root_node = null

protected

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

Referenced by getRootNode().

ilCloudFileTree::$root_path = ""

protected

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

Referenced by __construct(), and getRootPath().

string ilCloudFileTree::$service_name = ""

protected

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

Referenced by __construct(), getServiceName(), and setServiceName().

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

Modules/Cloud/classes/class.ilCloudFileTree.php

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation