Difference between revisions of "JTableNested"
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=={{JVer|11.1}} JTableNested== | =={{JVer|11.1}} JTableNested== | ||
===Description=== | ===Description=== | ||
− | + | JTableNested is a table class which supports modified pre-order [[wikipedia:tree traversal|tree traversal]] behaviour. This class is derived from the base JTable class and adds methods to support a binary tree structure in the database, with pre-order being the preferred method of traversal. | |
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===Methods=== | ===Methods=== | ||
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* {{JVer|11.1}} Subpackage [[API17:Subpackage Database|Database]] | * {{JVer|11.1}} Subpackage [[API17:Subpackage Database|Database]] | ||
* [[API17:JTableNested|Other versions of JTableNested]] | * [[API17:JTableNested|Other versions of JTableNested]] | ||
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===User contributed notes=== | ===User contributed notes=== | ||
− | + | === Code Examples === | |
<dpl> | <dpl> | ||
noresultsheader=\n | noresultsheader=\n | ||
category=JTableNested | category=JTableNested | ||
− | + | namespace=CodeExample | |
category=ClassExample | category=ClassExample | ||
include=* | include=* |
Latest revision as of 22:49, 24 March 2017
The "API17" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
JTableNested[edit]
Description[edit]
JTableNested is a table class which supports modified pre-order tree traversal behaviour. This class is derived from the base JTable class and adds methods to support a binary tree structure in the database, with pre-order being the preferred method of traversal.
Methods[edit]
Visibility | Method name | Description |
---|---|---|
public | check | Asset that the nested set data is valid. |
public | debug | Sets the debug level on or off. |
public | delete | Method to delete a node, and optionally its child nodes, from the table. |
public | getPath | Method to get an array of nodes from a given node to its root. |
public | getRootId | Gets the ID of the root item in the tree. |
public | getTree | Method to get a node and all its child nodes. |
public | isLeaf | Method to determine if a node is a leaf node in the tree (has no children). |
public | move | Method to move a row in the ordering sequence of a group of rows defined by an SQL WHERE clause. |
public | moveByReference | Method to move a node and its children to a new location in the tree. |
public | orderDown | Method to move a node one position to the right in the same level. |
public | orderUp | Method to move a node one position to the left in the same level. |
public | publish | Method to set the publishing state for a node or list of nodes in the database table. |
public | rebuild | Method to recursively rebuild the whole nested set tree. |
public | rebuildPath | Method to rebuild the node's path field from the alias values of the nodes from the current node to the root node of the tree. |
public | saveorder | Method to update order of table rows. |
public | setLocation | Method to set the location of a node in the tree object. |
public | store | Method to store a node in the database table. |
protected | _getNode | Method to get nested set properties for a node in the tree. |
protected | _getTreeRepositionData | Method to get various data necessary to make room in the tree at a location for a node and its children. |
protected | _logtable | |
protected | _runQuery |
- Defined in libraries/joomla/database/tablenested.php
- Extends JTable
- Extended by
Importing[edit]
jimport( 'joomla.database.tablenested' );
See also[edit]
- JTableNested source code on BitBucket
- Subpackage Database
- Other versions of JTableNested
User contributed notes[edit]
Code Examples[edit]