HasCategoriesAdminController class - Documentation for SproutCMS

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class HasCategoriesAdminController

An abstract class for controllers of things which have categories.

File: /sprout/Controllers/Admin/HasCategoriesAdminController.php
Namespace: Sprout\Controllers\Admin
Extends: ManagedAdminController
This class is abstract

Variables

Name	Visibility	Description
`$action_log`		Should this controller log add/edit/delete actions?
`$add_defaults`
`$category_archive`		Do we have the 'archive' feature for categories? You will need a "show_admin TINYINT UNSIGNED DEFAULT 1" column on the category table.
`$category_reorder`		Enables re-ordering for categories. You will need a "record_order" column on the category table.
`$category_single`		Enables single-cat mode. This uses radiobuttons instead of checkboxes in the category selection UI.
`$controller_name`
`$db`
`$duplicate_defaults`		Default values used for duplicating a record.
`$duplicate_enabled`		Flag to turn duplication on or off
`$export_modifiers`		Modifiers applied to data prior to export Should be a class which extends ColModifier Can be an object instance or string of a class name
`$friendly_name`
`$import_columns`		The columns to allow import for
`$import_duplicates`		The default selection for the "duplicates" option Values are "new", "merge", "merge_blank" and "skip".
`$import_headings`		If a client is providing CSVs which don't have headings You'll need to provide them in this array
`$import_id_column`		Typically, we don't want to import the ID, and just let autoinc do it's thing
`$main_actions`		Actions for the itemlist
`$main_add`		Should a link be shown above the list for adding records? (default yes)
`$main_columns`
`$main_delete`		Is deletion allowed, with an option shown in the UI? (default: no)
`$main_modes`		Different modes available for the main view By default, there is only one mode: list
`$main_order`		Order of main view records
`$main_where`		An additional where clause for the main view
`$navigation_name`		The friendly name used in the sidebar navigation. Defaults to matching the friendly name.
`$per_subsite`		Should a UI for editing the "subsite_id" field on a record be shown? If enabled by extending classes, then the table should contain a 'subsite_id' INT UNSIGNED column
`$records_per_page`		The default number of records to show per page
`$refine_bar`		Defines the widgets for the refine bar
`$table_name`		This is the name of the table to get data from. Will be automatically deducted from the controller name if not specified

Functions

Name	Visibility	Description
__call	public	Handles methods that do not exist.
__construct	public	Constructor
_actionLog	public
_addPreRender	protected	Hook called by _getAddForm() just before the view is rendered
_addSave	public	Process the saving of an add.
_deletePostSave	public	Does custom actions after the _deleteSave method is called, e.g. clearing cache data
_deletePreSave	public	Does custom actions before _deleteSave method is called, e.g. extra security checks
_deleteSave	public	Deletes an item and logs the deleted data
_duplicatePreRender	protected	Hook called by _getDuplicateForm() just before the view is rendered
_duplicateSave	public	Process the saving of a duplication. Basic version just calls _editSave
_editPreRender	protected	Hook called by _getEditForm() just before the view is rendered
_editSave	public	Process the saving of a record.
_exportData	public	Does the actual export. Return false on error.
_extraMultiCategorise	public	Form to change the categories for a number of records
_extraMultiDelete	public	Form to delete multiple records
_getAddForm	public	Returns a page title and HTML for a form to add a record
_getAddSubActions	public	Return the sub-actions for adding a record (e.g. preview)
_getContents	public	Returns the main list of records for this controller
_getContentsQuery	protected	Returns the SQL query for use by the contents list.
_getContentsView	public	Return HTML for a resultset of items
_getContentsViewList	public	Formats a resultset of items into an Itemlist
_getCustomAddSaveHTML	public	Optional custom HTML for the save box
_getCustomDuplicateSaveHTML	public	Optional custom HTML for the save box
_getCustomEditSaveHTML	public	Optional custom HTML for the save box
_getDeleteForm	public	Return HTML which represents the form for deleting a record
_getDeleteSubActions	public	Return the sub-actions for deleting a record (e.g. cancel)
_getDuplicateForm	public	Returns the edit form for duplicating a record
_getDuplicateSubActions	public	Return the sub-actions for duplicating a record
_getEditForm	public	Returns the edit form for adding a record
_getEditLiveUrl	public	Return the URL to use for the 'view live site' button, when editing a given record
_getEditSubActions	public	Return the sub-actions for editing a record (e.g. deleting)
_getExport	public	Returns form for doing exports
_getExportQuery	protected	Returns the SQL query for use by the export tools.
_getImport	public	Returns a form which contains options for doing an export
_getNavigation	public	Returns the contents of the navigation pane
_getRecord	protected	Fetch the record with a given id
_getRefineClause	protected	Return the WHERE clause to use for a given key which is provided by the RefineBar
_getSearchForm	public	Return HTML for a search form
_getTools	public	Additional categry tools
_getVisibilityFields	public	Return the fields to show in the sidebar when adding or editing a record.
_identifier	public	Creates the identifier used in the heading, and for reordering.
_importColGuess	protected	Try to guess the database name for a given CSV heading.
_importData	public	Does the actual import
_importExtraOptions	protected	Called when the import form is being built.
_importPost	protected	Called at the end of the the import process, after everything has been done.
_importPostRecord	protected	Called after a record has been inserted or updated.
_importPre	protected	Called at the beginning of the the import process.
_importPreRecord	protected	Called after the field data has been determined, but before the insert or update is run.
_intro	public	Returns the intro HTML for this controller.
_invalidateCaches	public	This is called after every add, edit and delete, as well as other (i.e. bulk) actions.
_isAddSaved	public	Is the "add" action saved?
_isDeleteSaved	public	Check if deletion of a particular record is allowed
_isEditSaved	public	Is the "edit" action saved?
_modeSelector	protected	Returns HTML for a ui component to update the current main view mode
_paginationBar	protected	Builds the HTML for showing the navigation through pages in the admin.
_preSave	protected
_run	public	The router/kohana will invoke this method to invoke an action.
ajaxLookup	public	Return list of records for given search term
ajaxLookupList	public	Return list of records for given search term
applyRefineFilter	protected	Applies filters defined in the query string using a LIKE contains
autoSetEmptyParam	protected	Auto-set the "empty" param for fields with foreign keys to be NULL
catAllowAdd	public	Return true if categories are allowed to be added.
catAllowDelete	public	Return true if categories are allowed to be deleted.
catAllowEdit	public	Return true if categories are allowed to be edited.
deleteRecord	protected	Deletes a record, and logs the deletion
generateFormView	protected	Generates a form view from a JSON config file
getCategoryArchive	public	Returns TRUE if category archive is enabled, FALSE otherwise
getControllerName	public	Returns the defined controller name.
getCssClassName	public	Return the class name for this controller, expressed in CSS style, i.e. with dashes
getDuplicateEnabled	public	Returns the duplication enabling flag
getFriendlyName	public	Returns the defined controller friendly name
getModulePath	public	Gets the relative path to the module the controller lives in, or sprout itself
getNavigationName	public	Returns the defined controller navigation name
getTableName	public	Returns the defined table name
getTopnavName	public	Gets the name of the controller to use for the top nav
initRefineBar	protected	Initialises the refine bar if it isn't already set, with a search widget for the 'name' field if it exists
initTableName	protected	Initialises the table name if it isn't already set, using the plural of the shorthand controller name
injectVisiblityFields	protected	Inject the visiblity fields into a loaded json configuration, so they actually save
isPerSubsite	public	If true, then a UI for editing the "subsite_id" for a record should be shown
jsonExtraValidate	protected	Do any additional validation prior to saving the record
loadEditJson	protected	Loads a JSON config file for an automated edit-type form for this controller
loadFormJson	protected	Loads a config file for a JsonForm associated with this controller
loadRecord	protected	Fetches the pre-update record from the database.
logAction	protected	Stores a history item in the database, recording an add (i.e. insert), edit, or delete.
logAdd	protected	Logs an add action. This is a wrapper for Controller::logAction
logAddCategory	protected	Logs the adding of a record to a category. This is a wrapper for Controller::logAction
logDelete	protected	Logs a delete action. This is a wrapper for Controller::logAction
logDeleteCategory	protected	Logs the removal of a record from a category. This is a wrapper for Controller::logAction
logEdit	protected	Logs an edit action. This is a wrapper for Controller::logAction
postJsonMultiTag	public	Multi-tag some items. Uses AJAX. Returns JSON.
postMultiCategorise	public	Change the categories for a number of records
postMultiDelete	public	Delete multiple records
replaceSet	protected	Inserts records which are in $new_records, but are not in the specified table
saveJsonData	protected	Automatically saves the data associated with a submission on a JSON-generated form
updateCategories	protected	Updates the category table for this controller (so for articles, the updated table will be articles_cat_join)

public __call (from BaseController)

void $BaseController->__call ( string $method , array $args );

Handles methods that do not exist.

public __construct

void $HasCategoriesAdminController->__construct ( );

Constructor

public _actionLog (from ManagedAdminController)

unknown $ManagedAdminController->_actionLog ( );

This function does not have a description

protected _addPreRender (from ManagedAdminController)

void $ManagedAdminController->_addPreRender ( mixed $view );

Hook called by _getAddForm() just before the view is rendered

public _addSave (from ManagedAdminController)

boolean $ManagedAdminController->_addSave ( int &$item_id );

Process the saving of an add.

public _deletePostSave (from ManagedAdminController)

void $ManagedAdminController->_deletePostSave ( int $item_id );

Does custom actions after the _deleteSave method is called, e.g. clearing cache data

public _deletePreSave (from ManagedAdminController)

void $ManagedAdminController->_deletePreSave ( int $item_id );

Does custom actions before _deleteSave method is called, e.g. extra security checks

public _deleteSave

bool $HasCategoriesAdminController->_deleteSave ( int $item_id );

Deletes an item and logs the deleted data

This method should not be overridden unless absolutely necessary.

protected _duplicatePreRender (from ManagedAdminController)

void $ManagedAdminController->_duplicatePreRender ( mixed $view , mixed $item_id );

Hook called by _getDuplicateForm() just before the view is rendered

public _duplicateSave (from ManagedAdminController)

boolean $ManagedAdminController->_duplicateSave ( int $id );

Process the saving of a duplication. Basic version just calls _editSave

protected _editPreRender (from ManagedAdminController)

void $ManagedAdminController->_editPreRender ( mixed $view , mixed $item_id );

Hook called by _getEditForm() just before the view is rendered

public _editSave (from ManagedAdminController)

boolean $ManagedAdminController->_editSave ( int $item_id );

Process the saving of a record.

public _exportData (from ManagedAdminController)

array $ManagedAdminController->_exportData ( );

Does the actual export. Return false on error.

public _extraMultiCategorise

unknown $HasCategoriesAdminController->_extraMultiCategorise ( );

Form to change the categories for a number of records

public _extraMultiDelete (from ManagedAdminController)

unknown $ManagedAdminController->_extraMultiDelete ( );

Form to delete multiple records

public _getAddForm

array $HasCategoriesAdminController->_getAddForm ( );

Returns a page title and HTML for a form to add a record

public _getAddSubActions (from ManagedAdminController)

array $ManagedAdminController->_getAddSubActions ( );

Return the sub-actions for adding a record (e.g. preview)
These are rendered into HTML using AdminController::renderSubActions

public _getContents

unknown $HasCategoriesAdminController->_getContents ( );

Returns the main list of records for this controller

protected _getContentsQuery (from ManagedAdminController)

string $ManagedAdminController->_getContentsQuery ( string $where , string $order , array &$params );

Returns the SQL query for use by the contents list.

The query MUST NOT include a LIMIT clause.
The query MUST include a SQL_CALC_FOUND_ROWS clause.
The main table SHOULD be aliased to 'item'.

public _getContentsView

unknown $HasCategoriesAdminController->_getContentsView ( Traversable $items , string $mode , StdClass $category );

Return HTML for a resultset of items
The returned HTML will be sandwiched between the refinebar and the pagination bar.

public _getContentsViewList

unknown $HasCategoriesAdminController->_getContentsViewList ( Traversable $items , StdClass $category );

Formats a resultset of items into an Itemlist

public _getCustomAddSaveHTML (from ManagedAdminController)

unknown $ManagedAdminController->_getCustomAddSaveHTML ( );

Optional custom HTML for the save box
Return NULL to use the default HTML

public _getCustomDuplicateSaveHTML (from ManagedAdminController)

unknown $ManagedAdminController->_getCustomDuplicateSaveHTML ( return $item_id );

Optional custom HTML for the save box
Return NULL to use the default HTML

public _getCustomEditSaveHTML (from ManagedAdminController)

unknown $ManagedAdminController->_getCustomEditSaveHTML ( return $item_id );

Optional custom HTML for the save box
Return NULL to use the default HTML

public _getDeleteForm (from ManagedAdminController)

string $ManagedAdminController->_getDeleteForm ( int $id );

Return HTML which represents the form for deleting a record

public _getDeleteSubActions (from ManagedAdminController)

array $ManagedAdminController->_getDeleteSubActions ( mixed $item_id );

Return the sub-actions for deleting a record (e.g. cancel)
These are rendered into HTML using AdminController::renderSubActions

public _getDuplicateForm

unknown $HasCategoriesAdminController->_getDuplicateForm ( int $id );

Returns the edit form for duplicating a record

public _getDuplicateSubActions (from ManagedAdminController)

array $ManagedAdminController->_getDuplicateSubActions ( mixed $item_id );

Return the sub-actions for duplicating a record
These are rendered into HTML using AdminController::renderSubActions

public _getEditForm

unknown $HasCategoriesAdminController->_getEditForm ( int $id );

Returns the edit form for adding a record

public _getEditLiveUrl (from ManagedAdminController)

string|null $ManagedAdminController->_getEditLiveUrl ( int $item_id );

Return the URL to use for the 'view live site' button, when editing a given record

public _getEditSubActions (from ManagedAdminController)

array $ManagedAdminController->_getEditSubActions ( mixed $item_id );

Return the sub-actions for editing a record (e.g. deleting)
These are rendered into HTML using AdminController::renderSubActions

public _getExport (from ManagedAdminController)

unknown $ManagedAdminController->_getExport ( );

Returns form for doing exports

protected _getExportQuery (from ManagedAdminController)

unknown $ManagedAdminController->_getExportQuery ( [ string $where ] );

Returns the SQL query for use by the export tools.
The query does MUST NOT include a LIMIT clause.

public _getImport (from ManagedAdminController)

unknown $ManagedAdminController->_getImport ( mixed $filename );

Returns a form which contains options for doing an export

public _getNavigation

unknown $HasCategoriesAdminController->_getNavigation ( );

Returns the contents of the navigation pane

protected _getRecord (from ManagedAdminController)

array $ManagedAdminController->_getRecord ( int $id );

Fetch the record with a given id

protected _getRefineClause

string $HasCategoriesAdminController->_getRefineClause ( string $key , string $val , array &$query_params );

Return the WHERE clause to use for a given key which is provided by the RefineBar

Allows custom non-table clauses to be added.
Is only called for key names which begin with an underscore.
The base table is aliased to 'item'.

public _getSearchForm (from ManagedAdminController)

unknown $ManagedAdminController->_getSearchForm ( );

Return HTML for a search form

public _getTools

unknown $HasCategoriesAdminController->_getTools ( );

Additional categry tools

public _getVisibilityFields (from ManagedAdminController)

array $ManagedAdminController->_getVisibilityFields ( );

Return the fields to show in the sidebar when adding or editing a record.
These fields are shown under a heading of "Visibility"

Key is the field name, value is the field label

public _identifier (from ManagedAdminController)

string $ManagedAdminController->_identifier ( array $item );

Creates the identifier used in the heading, and for reordering.

protected _importColGuess (from ManagedAdminController)

string $ManagedAdminController->_importColGuess ( string $csv_heading );

Try to guess the database name for a given CSV heading.
If you can't figure it out, return NULL.
If NULL is returned, the rudimentry almost-exact guesser will be run.

public _importData (from ManagedAdminController)

unknown $ManagedAdminController->_importData ( string $filename );

Does the actual import

protected _importExtraOptions

unknown $HasCategoriesAdminController->_importExtraOptions ( );

Called when the import form is being built.

Returns HTML of extra options to display, or null if no extra options.

protected _importPost (from ManagedAdminController)

unknown $ManagedAdminController->_importPost ( );

Called at the end of the the import process, after everything has been done.
Is called from within a transaction.
Return FALSE to abort the import.

protected _importPostRecord

unknown $HasCategoriesAdminController->_importPostRecord ( int $record_id , array $new_data , array $existing_record , string $type , boolean $raw_data );

Called after a record has been inserted or updated.

protected _importPre (from ManagedAdminController)

unknown $ManagedAdminController->_importPre ( );

Called at the beginning of the the import process.
Is called from within a transaction.
Return FALSE to abort the import.

protected _importPreRecord (from ManagedAdminController)

unknown $ManagedAdminController->_importPreRecord ( array &$new_data , array $raw_data );

Called after the field data has been determined, but before the insert or update is run.

Return FALSE to skip the record.

public _intro (from ManagedAdminController)

void $ManagedAdminController->_intro ( );

Returns the intro HTML for this controller.

public _invalidateCaches (from ManagedAdminController)

void $ManagedAdminController->_invalidateCaches ( string $action [, int $item_id ] );

This is called after every add, edit and delete, as well as other (i.e. bulk) actions.
Use it to clear any frontend caches. The default is an empty method.

public _isAddSaved (from ManagedAdminController)

bool $ManagedAdminController->_isAddSaved ( );

Is the "add" action saved?
These may be false if the UI provides its own save mechanism (e.g. multi-add)

public _isDeleteSaved (from ManagedAdminController)

bool $ManagedAdminController->_isDeleteSaved ( int $item_id );

Check if deletion of a particular record is allowed
This method may be overridden if ignoring the $main_delete property is desired

public _isEditSaved (from ManagedAdminController)

bool $ManagedAdminController->_isEditSaved ( mixed $item_id );

Is the "edit" action saved?
These may be false if the UI provides its own save mechanism

protected _modeSelector (from ManagedAdminController)

unknown $ManagedAdminController->_modeSelector ( mixed $current_mode );

Returns HTML for a ui component to update the current main view mode

protected _paginationBar (from ManagedAdminController)

HTML $ManagedAdminController->_paginationBar ( The $current_page , The $total_row_count );

Builds the HTML for showing the navigation through pages in the admin.
This method is FINAL to help keep the user interface consistent.

protected _preSave (from ManagedAdminController)

void $ManagedAdminController->_preSave ( mixed $id , mixed &$data );

This function does not have a description

public _run (from BaseController)

void $BaseController->_run ( mixed $method , mixed $args );

The router/kohana will invoke this method to invoke an action.

If you please, you may wrap this method to create before/after hooks.

public ajaxLookup (from ManagedAdminController)

void $ManagedAdminController->ajaxLookup ( );

Return list of records for given search term
Used for Fb::autocomplete

public ajaxLookupList (from ManagedAdminController)

void $ManagedAdminController->ajaxLookupList ( );

Return list of records for given search term
Used for Fb::autocompleteList

protected applyRefineFilter (from ManagedAdminController)

array $ManagedAdminController->applyRefineFilter ( [ array $source_data ] );

Applies filters defined in the query string using a LIKE contains
Only fields which exist in the RefineBar will be filtered

protected autoSetEmptyParam (from Controller)

null $Controller->autoSetEmptyParam ( array &$conf );

Auto-set the "empty" param for fields with foreign keys to be NULL

This greatly reduces the number of foreign-key constraints hit in day-to-day use,
especially with file fields.

public catAllowAdd

unknown $HasCategoriesAdminController->catAllowAdd ( );

Return true if categories are allowed to be added.

public catAllowDelete

unknown $HasCategoriesAdminController->catAllowDelete ( mixed $category_id );

Return true if categories are allowed to be deleted.

public catAllowEdit

unknown $HasCategoriesAdminController->catAllowEdit ( mixed $category_id );

Return true if categories are allowed to be edited.

protected deleteRecord (from Controller)

int $Controller->deleteRecord ( string $table , int $record_id [, int $parent_log_id ] );

Deletes a record, and logs the deletion
This should be used by all _deleteSave methods
Starts a transaction and commits it if not already in a transaction when called

protected generateFormView (from Controller)

array $Controller->generateFormView ( mixed $file_name );

Generates a form view from a JSON config file

public getCategoryArchive

unknown $HasCategoriesAdminController->getCategoryArchive ( );

Returns TRUE if category archive is enabled, FALSE otherwise

public getControllerName (from ManagedAdminController)

unknown $ManagedAdminController->getControllerName ( );

Returns the defined controller name.

public getCssClassName (from BaseController)

string $BaseController->getCssClassName ( );

Return the class name for this controller, expressed in CSS style, i.e. with dashes

Example: When called from BlogPostController --> 'blog-post-controller'

public getDuplicateEnabled (from ManagedAdminController)

unknown $ManagedAdminController->getDuplicateEnabled ( );

Returns the duplication enabling flag

public getFriendlyName (from ManagedAdminController)

unknown $ManagedAdminController->getFriendlyName ( );

Returns the defined controller friendly name

public getModulePath (from BaseController)

string $BaseController->getModulePath ( );

Gets the relative path to the module the controller lives in, or sprout itself

public getNavigationName (from ManagedAdminController)

unknown $ManagedAdminController->getNavigationName ( );

Returns the defined controller navigation name

public getTableName (from ManagedAdminController)

unknown $ManagedAdminController->getTableName ( );

Returns the defined table name

public getTopnavName (from ManagedAdminController)

unknown $ManagedAdminController->getTopnavName ( );

Gets the name of the controller to use for the top nav

protected initRefineBar (from ManagedAdminController)

void $ManagedAdminController->initRefineBar ( );

Initialises the refine bar if it isn't already set, with a search widget for the 'name' field if it exists
Most controllers which need a custom refine bar should call this before adding their own search widgets

protected initTableName (from ManagedAdminController)

void $ManagedAdminController->initTableName ( );

Initialises the table name if it isn't already set, using the plural of the shorthand controller name

protected injectVisiblityFields (from ManagedAdminController)

void $ManagedAdminController->injectVisiblityFields ( array &$conf );

Inject the visiblity fields into a loaded json configuration, so they actually save

public isPerSubsite (from ManagedAdminController)

unknown $ManagedAdminController->isPerSubsite ( );

If true, then a UI for editing the "subsite_id" for a record should be shown

protected jsonExtraValidate (from Controller)

void $Controller->jsonExtraValidate ( int $id , Validator $validator );

Do any additional validation prior to saving the record

protected loadEditJson (from Controller)

array $Controller->loadEditJson ( );

Loads a JSON config file for an automated edit-type form for this controller

protected loadFormJson (from Controller)

array $Controller->loadFormJson ( string $file_name );

Loads a config file for a JsonForm associated with this controller

protected loadRecord (from Controller)

bool|array $Controller->loadRecord ( string $table , int $record_id );

Fetches the pre-update record from the database.
Used by the action log system, and disabled if the action log system has been turned off

protected logAction (from Controller)

int $Controller->logAction ( string $table , int $record_id , int $type , array $data [, int $parent_log_id ] );

Stores a history item in the database, recording an add (i.e. insert), edit, or delete.
Should be called AFTER the action has been made.
N.B. This is a low-level method; the friendlier wrapper methods are preferred;
e.g. Controller::logAdd, Controller::logEdit

protected logAdd (from Controller)

int $Controller->logAdd ( string $table , int $record_id );

Logs an add action. This is a wrapper for Controller::logAction

protected logAddCategory (from Controller)

int $Controller->logAddCategory ( string $table , int $record_id , int $cat_id );

Logs the adding of a record to a category. This is a wrapper for Controller::logAction

protected logDelete (from Controller)

int $Controller->logDelete ( string $table , int $record_id , array $data [, int $parent_log_id ] );

Logs a delete action. This is a wrapper for Controller::logAction

protected logDeleteCategory (from Controller)

int $Controller->logDeleteCategory ( string $table , int $record_id , int $cat_id );

Logs the removal of a record from a category. This is a wrapper for Controller::logAction

protected logEdit (from Controller)

int $Controller->logEdit ( string $table , int $record_id , array $data );

Logs an edit action. This is a wrapper for Controller::logAction

public postJsonMultiTag (from ManagedAdminController)

void $ManagedAdminController->postJsonMultiTag ( );

Multi-tag some items. Uses AJAX. Returns JSON.

public postMultiCategorise

void $HasCategoriesAdminController->postMultiCategorise ( );

Change the categories for a number of records

public postMultiDelete (from ManagedAdminController)

void $ManagedAdminController->postMultiDelete ( );

Delete multiple records

protected replaceSet (from Controller)

void $Controller->replaceSet ( string $table , array $new_records , array $conditions );

Inserts records which are in $new_records, but are not in the specified table
Deletes records which are in the specified table, but not in $new_records
Updates records which are in both

Matching is done on the 'id' field, as a result the $new_records arrays MUST contain an id field.

protected saveJsonData (from Controller)

bool $Controller->saveJsonData ( array $conf , int &$item_id [, string $mode ] );

Automatically saves the data associated with a submission on a JSON-generated form

protected updateCategories

boolean $HasCategoriesAdminController->updateCategories ( mixed $item_id , array $categories );

Updates the category table for this controller (so for articles, the updated table will be articles_cat_join)
so that the records for the specified item match the category ids provided.

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