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ilCtrlArrayClassPath Class Reference

Class ilCtrlArrayClassPath. More...

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Public Member Functions

 __construct (ilCtrlStructureInterface $structure, ilCtrlContextInterface $context, array $target_classes)
 ilCtrlArrayClassPath Constructor More...
 
- Public Member Functions inherited from ilCtrlAbstractPath
 __construct (ilCtrlStructureInterface $structure)
 ilCtrlAbstractPath Constructor More...
 
 getCidPath ()
 
 getCurrentCid ()
 
 getNextCid (string $current_class)
 
 getCidPaths (int $order=SORT_DESC)
 
 getCidArray (int $order=SORT_DESC)
 
 getBaseClass ()
 
 getException ()
 

Private Member Functions

 getCidPathByArray (array $target_classes)
 Generates a cid path from the given class array. More...
 

Private Attributes

ilCtrlContextInterface $context
 

Additional Inherited Members

- Data Fields inherited from ilCtrlPathInterface
const CID_PATH_SEPARATOR = ':'
 
- Protected Member Functions inherited from ilCtrlAbstractPath
 getPathToRelatedClassInContext (ilCtrlContextInterface $context, string $target_class)
 Returns the path to a class within the given contexts current path that has a relation to the given target. More...
 
 isClassChildOf (string $child_class, string $parent_class)
 Returns whether the given target class is a child of the other given class. More...
 
 isClassParentOf (string $parent_class, string $child_class)
 Returns whether the given target class is a parent of the other given class. More...
 
 appendCid (string $cid, ?string $path=null)
 Helper function to add CIDs to a given path. More...
 
- Protected Attributes inherited from ilCtrlAbstractPath
ilCtrlStructureInterface $structure
 
ilCtrlException $exception = null
 
string $cid_path = null
 

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

ilCtrlArrayClassPath::__construct ( ilCtrlStructureInterface  $structure,
ilCtrlContextInterface  $context,
array  $target_classes 
)

ilCtrlArrayClassPath Constructor

Parameters
ilCtrlStructureInterface$structure
ilCtrlContextInterface$context
string[]$target_classes

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

References $context, ilCtrlAbstractPath\$exception, ILIAS\GlobalScreen\Provider\__construct(), and getCidPathByArray().

41  {
42  parent::__construct($structure);
43 
44  $this->context = $context;
45 
46  try {
47  $this->cid_path = $this->getCidPathByArray($target_classes);
48  } catch (ilCtrlException $exception) {
49  $this->exception = $exception;
50  }
51  }
This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Le...
__construct(Container $dic, ilPlugin $plugin)
ilCtrlContextInterface $context
getCidPathByArray(array $target_classes)
Generates a cid path from the given class array.
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Member Function Documentation

◆ getCidPathByArray()

ilCtrlArrayClassPath::getCidPathByArray ( array  $target_classes)
private

Generates a cid path from the given class array.

If the given class array does not contain a valid path an according exception will be thrown.

Parameters
string[]$target_classes
Returns
string
Exceptions
ilCtrlExceptionif classes within the classes array are not related.

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

References ilCtrlAbstractPath\$cid_path, ilCtrlAbstractPath\appendCid(), ilCtrlAbstractPath\getPathToRelatedClassInContext(), ilCtrlAbstractPath\isClassParentOf(), and null.

Referenced by __construct().

64  : string
65  {
66  // abort if the provided targets are empty.
67  if (empty($target_classes)) {
68  throw new ilCtrlException(__METHOD__ . " must be provided with a list of classes.");
69  }
70 
71  // loop through each provided class in descending order
72  // and check if they are all related to one another and
73  // convert them to a cid path.
74  $cid_path = $previous_class = null;
75  foreach ($target_classes as $current_class) {
76  $current_cid = $this->structure->getClassCidByName($current_class);
77 
78  // abort if the current class cannot be found.
79  if (null === $current_cid) {
80  throw new ilCtrlException("Class '$current_class' was not found in the control structure, try `composer du` to read artifacts.");
81  }
82 
83  // abort if the current and previous classes are
84  // not related.
85  if (null !== $previous_class && !$this->isClassParentOf($previous_class, $current_class)) {
86  throw new ilCtrlException("Class '$current_class' is not a child of '$previous_class'.");
87  }
88 
89  $cid_path = $this->appendCid($current_cid, $cid_path);
90  $previous_class = $current_class;
91  }
92 
93  // if the first provided class is a baseclass the
94  // created cid path can be returned.
95  $first_array_class = $target_classes[array_key_first($target_classes)];
96  if ($this->structure->isBaseClass($first_array_class)) {
97  return $cid_path;
98  }
99 
100  // check if the first command class is related to one
101  // of the current context.
102  $related_class_path = $this->getPathToRelatedClassInContext($this->context, $first_array_class);
103  if (null === $related_class_path) {
104  throw new ilCtrlException("Class '$first_array_class' is not a baseclass and the current context doesn't have one either.");
105  }
106 
107  return $this->appendCid($cid_path, $related_class_path);
108  }
isClassParentOf(string $parent_class, string $child_class)
Returns whether the given target class is a parent of the other given class.
getPathToRelatedClassInContext(ilCtrlContextInterface $context, string $target_class)
Returns the path to a class within the given contexts current path that has a relation to the given t...
while($session_entry=$r->fetchRow(ilDBConstants::FETCHMODE_ASSOC)) return null
This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Le...
appendCid(string $cid, ?string $path=null)
Helper function to add CIDs to a given path.
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Field Documentation

◆ $context

ilCtrlContextInterface ilCtrlArrayClassPath::$context
private

Definition at line 31 of file class.ilCtrlArrayClassPath.php.

Referenced by __construct().


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