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Class PaginatorHelper

Pagination Helper class for easy generation of pagination links.

PaginationHelper encloses all methods needed when working with pagination.

Object
Extended by Overloadable
Extended by Helper
Extended by AppHelper
Extended by PaginatorHelper
Package: cake\cake\libs\view\helpers
Link: http://book.cakephp.org/1.3/en/The-Manual/Core-Helpers/Paginator.html#Paginator
Copyright: Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
License: License (http://www.opensource.org/licenses/mit-license.php)
Location: view/helpers/paginator.php

Properties summary

  • $__defaultModel public
    string
    Holds the default model for paged recordsets
  • $_ajaxHelperClass public
    string
    The class used for 'Ajax' pagination links.
  • $helpers public
    array
    Helper dependencies
  • $options public
    array
    Holds the default options for pagination links

Inherited Properties

  • __cleaned, __tainted, action, argSeparator, base, data, here, namedArgs, params, plugin, tags, theme, validationErrors, webroot

Method Summary

  • __construct() public
    Constructor for the helper. Sets up the helper that is used for creating 'AJAX' links.
  • __hasPage() public
    Does $model have $page in its range?
  • __pagingLink() public
    Protected method for generating prev/next links
  • beforeRender() public
    Before render callback. Overridden to merge passed args with url options.
  • counter() public
    Returns a counter string for the paged result set
  • current() public
    Gets the current page of the recordset for the given model
  • defaultModel() public
    Gets the default model of the paged sets
  • first() public
    Returns a first or set of numbers for the first pages
  • hasNext() public
    Returns true if the given result set is not at the last page
  • hasPage() public
    Returns true if the given result set has the page number given by $page
  • hasPrev() public
    Returns true if the given result set is not at the first page
  • last() public
    Returns a last or set of numbers for the last pages
  • link() public
    Generates a plain or Ajax link with pagination parameters
  • next() public
    Generates a "next" link for a set of paged records
  • numbers() public

    Returns a set of numbers for the paged result set uses a modulus to decide how many numbers to show on each side of the current page (default: 8)

  • options() public
    Sets default options for all pagination links
  • params() public
    Gets the current paging parameters from the resultset for the given model
  • prev() public
    Generates a "previous" link for a set of paged records
  • sort() public

    Generates a sorting link. Sets named parameters for the sort and direction. Handles direction switching automatically.

  • sortDir() public
    Gets the current direction the recordset is sorted
  • sortKey() public
    Gets the current key by which the recordset is sorted
  • url() public
    Merges passed URL options with current pagination state to generate a pagination URL.

Method Detail

__construct() public ¶

__construct( $config = array() )

Constructor for the helper. Sets up the helper that is used for creating 'AJAX' links.

Use var $helpers = array('Paginator' => array('ajax' => 'CustomHelper')); to set a custom Helper or choose a non JsHelper Helper. If you want to use a specific library with JsHelper declare JsHelper and its adapter before including PaginatorHelper in your helpers array.

The chosen custom helper must implement a link() method.

Overrides
Object::__construct()

__hasPage() public ¶

__hasPage( string $model , integer $page )

Does $model have $page in its range?

Parameters
string $model
Model name to get parameters for.
integer $page
Page number you are checking.
Returns
boolean
Whether model has $page

__pagingLink() public ¶

__pagingLink( $which , $title = null , $options = array() , $disabledTitle = null , $disabledOptions = array() )

Protected method for generating prev/next links

beforeRender() public ¶

beforeRender( )

Before render callback. Overridden to merge passed args with url options.

Overrides
Helper::beforeRender()

counter() public ¶

counter( mixed $options = array() )

Returns a counter string for the paged result set

Options

  • model The model to use, defaults to PaginatorHelper::defaultModel();
  • format The format string you want to use, defaults to 'pages' Which generates output like '1 of 5' set to 'range' to generate output like '1 - 3 of 13'. Can also be set to a custom string, containing the following placeholders %page%, %pages%, %current%, %count%, %start%, %end% and any custom content you would like.
  • separator The separator string to use, default to ' of '
Parameters
mixed $options optional array()
Options for the counter string. See #options for list of keys.
Returns
string
Counter string.

current() public ¶

current( string $model = null )

Gets the current page of the recordset for the given model

Parameters
string $model optional null
Optional model name. Uses the default if none is specified.
Returns
string
The current page number of the recordset.

defaultModel() public ¶

defaultModel( )

Gets the default model of the paged sets

Returns
string
Model name or null if the pagination isn't initialized.

first() public ¶

first( mixed $first = '<< first' , mixed $options = array() )

Returns a first or set of numbers for the first pages

Options:

  • tag The tag wrapping tag you want to use, defaults to 'span'
  • after Content to insert after the link/tag
  • model The model to use defaults to PaginatorHelper::defaultModel()
  • separator Content between the generated links, defaults to ' | '
Parameters
mixed $first optional '<< first'
if string use as label for the link, if numeric print page numbers
mixed $options optional array()
Returns
string
numbers string.

hasNext() public ¶

hasNext( string $model = null )

Returns true if the given result set is not at the last page

Parameters
string $model optional null
Optional model name. Uses the default if none is specified.
Returns
boolean
True if the result set is not at the last page.

hasPage() public ¶

hasPage( string $model = null , integer $page = 1 )

Returns true if the given result set has the page number given by $page

Parameters
string $model optional null
Optional model name. Uses the default if none is specified.
integer $page optional 1
The page number - if not set defaults to 1.
Returns
boolean
True if the given result set has the specified page number.

hasPrev() public ¶

hasPrev( string $model = null )

Returns true if the given result set is not at the first page

Parameters
string $model optional null
Optional model name. Uses the default if none is specified.
Returns
boolean
True if the result set is not at the first page.

last() public ¶

last( mixed $last = 'last >>' , mixed $options = array() )

Returns a last or set of numbers for the last pages

Options:

  • tag The tag wrapping tag you want to use, defaults to 'span'
  • before Content to insert before the link/tag
  • model The model to use defaults to PaginatorHelper::defaultModel()
  • separator Content between the generated links, defaults to ' | '
Parameters
mixed $last optional 'last >>'
if string use as label for the link, if numeric print page numbers
mixed $options optional array()
Array of options
Returns
string
numbers string.

link() public ¶

link( string $title , mixed $url = array() , array $options = array() )

Generates a plain or Ajax link with pagination parameters

Options

  • update The Id of the DOM element you wish to update. Creates Ajax enabled links with the AjaxHelper.
  • escape Whether you want the contents html entity encoded, defaults to true
  • model The model to use, defaults to PaginatorHelper::defaultModel()
Parameters
string $title
Title for the link.
mixed $url optional array()
Url for the action. See Router::url()
array $options optional array()
Options for the link. See #options for list of keys.
Returns
string
A link with pagination parameters.

next() public ¶

next( string $title = 'Next >>' , mixed $options = array() , string $disabledTitle = null , mixed $disabledOptions = array() )

Generates a "next" link for a set of paged records

Options:

  • tag The tag wrapping tag you want to use, defaults to 'span'
  • escape Whether you want the contents html entity encoded, defaults to true
  • model The model to use, defaults to PaginatorHelper::defaultModel()
Parameters
string $title optional 'Next >>'
Title for the link. Defaults to 'Next >>'.
mixed $options optional array()
Options for pagination link. See above for list of keys.
string $disabledTitle optional null
Title when the link is disabled.
mixed $disabledOptions optional array()
Options for the disabled pagination link. See above for list of keys.
Returns
string
A "next" link or or $disabledTitle text if the link is disabled.

numbers() public ¶

numbers( mixed $options = array() )

Returns a set of numbers for the paged result set uses a modulus to decide how many numbers to show on each side of the current page (default: 8)

Options

  • before Content to be inserted before the numbers
  • after Content to be inserted after the numbers
  • model Model to create numbers for, defaults to PaginatorHelper::defaultModel()
  • modulus how many numbers to include on either side of the current page, defaults to 8.
  • separator Separator content defaults to ' | '
  • tag The tag to wrap links in, defaults to 'span'
  • first Whether you want first links generated, set to an integer to define the number of 'first' links to generate
  • last Whether you want last links generated, set to an integer to define the number of 'last' links to generate
Parameters
mixed $options optional array()
Options for the numbers, (before, after, model, modulus, separator)
Returns
string
numbers string.

options() public ¶

options( mixed $options = array() )

Sets default options for all pagination links

Parameters
mixed $options optional array()

Default options for pagination links. If a string is supplied - it is used as the DOM id element to update. See PaginatorHelper::$options for list of keys.

params() public ¶

params( string $model = null )

Gets the current paging parameters from the resultset for the given model

Parameters
string $model optional null
Optional model name. Uses the default if none is specified.
Returns
array
The array of paging parameters for the paginated resultset.

prev() public ¶

prev( string $title = '<< Previous' , mixed $options = array() , string $disabledTitle = null , mixed $disabledOptions = array() )

Generates a "previous" link for a set of paged records

Options:

  • tag The tag wrapping tag you want to use, defaults to 'span'
  • escape Whether you want the contents html entity encoded, defaults to true
  • model The model to use, defaults to PaginatorHelper::defaultModel()
Parameters
string $title optional '<< Previous'
Title for the link. Defaults to '<< Previous'.
mixed $options optional array()
Options for pagination link. See #options for list of keys.
string $disabledTitle optional null
Title when the link is disabled.
mixed $disabledOptions optional array()
Options for the disabled pagination link. See #options for list of keys.
Returns
string
A "previous" link or $disabledTitle text if the link is disabled.

sort() public ¶

sort( string $title , string $key = null , array $options = array() )

Generates a sorting link. Sets named parameters for the sort and direction. Handles direction switching automatically.

Options:

  • escape Whether you want the contents html entity encoded, defaults to true
  • model The model to use, defaults to PaginatorHelper::defaultModel()
Parameters
string $title
Title for the link.
string $key optional null

The name of the key that the recordset should be sorted. If $key is null $title will be used for the key, and a title will be generated by inflection.

array $options optional array()
Options for sorting link. See above for list of keys.
Returns
string

A link sorting default by 'asc'. If the resultset is sorted 'asc' by the specified key the returned link will sort by 'desc'.


sortDir() public ¶

sortDir( string $model = null , mixed $options = array() )

Gets the current direction the recordset is sorted

Parameters
string $model optional null
Optional model name. Uses the default if none is specified.
mixed $options optional array()
Options for pagination links. See #options for list of keys.
Returns
string

The direction by which the recordset is being sorted, or null if the results are not currently sorted.


sortKey() public ¶

sortKey( string $model = null , mixed $options = array() )

Gets the current key by which the recordset is sorted

Parameters
string $model optional null
Optional model name. Uses the default if none is specified.
mixed $options optional array()
Options for pagination links. See #options for list of keys.
Returns
string

The name of the key by which the recordset is being sorted, or null if the results are not currently sorted.


url() public ¶

url( array $options = array() , boolean $asArray = false , string $model = null )

Merges passed URL options with current pagination state to generate a pagination URL.

Parameters
array $options optional array()
Pagination/URL options array
boolean $asArray optional false
Return the url as an array, or a URI string
string $model optional null
Which model to paginate on
Returns
mixed
By default, returns a full pagination URL string for use in non-standard contexts (i.e. JavaScript)
Overrides
Helper::url()

Methods inherited from Helper

__clean() public ¶

__clean( )

Removes harmful content from output

__formatAttribute() public ¶

__formatAttribute( string $key , string $value , $escape = true )

Formats an individual attribute, and returns the string value of the composed attribute. Works with minimized attributes that have the same value as their name such as 'disabled' and 'checked'

Parameters
string $key
The name of the attribute to create
string $value
The value of the attribute to create.
$escape optional true
Returns
string
The composed attribute.

__reset() public ¶

__reset( )

Resets the vars used by Helper::clean() to null

__selectedArray() public ¶

__selectedArray( mixed $data , string $key = 'id' )

Transforms a recordset from a hasAndBelongsToMany association to a list of selected options for a multiple select element

Parameters
mixed $data
string $key optional 'id'
Returns
array

_initInputField() public ¶

_initInputField( string $field , array $options = array() )

Sets the defaults for an input tag. Will set the name, value, and id attributes for an array of html attributes. Will also add a 'form-error' class if the field contains validation errors.

Parameters
string $field
The field name to initialize.
array $options optional array()
Array of options to use while initializing an input field.
Returns
array
Array options for the form input.

_name() public ¶

_name( mixed $options = array() , string $field = null , string $key = 'name' )

Gets the input field name for the current tag. Creates input name attributes using CakePHP's data[Model][field] formatting.

Parameters
mixed $options optional array()

If an array, should be an array of attributes that $key needs to be added to. If a string or null, will be used as the View entity.

string $field optional null
string $key optional 'name'
The name of the attribute to be set, defaults to 'name'
Returns
mixed

If an array was given for $options, an array with $key set will be returned. If a string was supplied a string will be returned.


_parseAttributes() public ¶

_parseAttributes( array $options , array $exclude = null , string $insertBefore = ' ' , string $insertAfter = null )

Returns a space-delimited string with items of the $options array. If a key of $options array happens to be one of:

  • 'compact'
  • 'checked'
  • 'declare'
  • 'readonly'
  • 'disabled'
  • 'selected'
  • 'defer'
  • 'ismap'
  • 'nohref'
  • 'noshade'
  • 'nowrap'
  • 'multiple'
  • 'noresize'

And its value is one of:

  • '1' (string)
  • 1 (integer)
  • true (boolean)
  • 'true' (string)

Then the value will be reset to be identical with key's name. If the value is not one of these 3, the parameter is not output.

'escape' is a special option in that it controls the conversion of attributes to their html-entity encoded equivalents. Set to false to disable html-encoding.

If value for any option key is set to null or false, that option will be excluded from output.

Parameters
array $options
Array of options.
array $exclude optional null
Array of options to be excluded, the options here will not be part of the return.
string $insertBefore optional ' '
String to be inserted before options.
string $insertAfter optional null
String to be inserted after options.
Returns
string
Composed attributes.

addClass() public ¶

addClass( array $options = array() , string $class = null , string $key = 'class' )

Adds the given class to the element options

Parameters
array $options optional array()
Array options/attributes to add a class to
string $class optional null
The classname being added.
string $key optional 'class'
the key to use for class.
Returns
array
Array of options with $key set.

afterLayout() public ¶

afterLayout( )

After layout callback. afterLayout is called after the layout has rendered.

Overridden in subclasses.

afterRender() public ¶

afterRender( )

After render callback. afterRender is called after the view file is rendered but before the layout has been rendered.

Overridden in subclasses.

assetTimestamp() public ¶

assetTimestamp( string $path )

Adds a timestamp to a file based resource based on the value of Asset.timestamp in Configure. If Asset.timestamp is true and debug > 0, or Asset.timestamp == 'force' a timestamp will be added.

Parameters
string $path
The file path to timestamp, the path must be inside WWW_ROOT
Returns
string
Path with a timestamp added, or not.

beforeLayout() public ¶

beforeLayout( )

Before layout callback. beforeLayout is called before the layout is rendered.

Overridden in subclasses.

call__() public ¶

call__( $method , $params )

clean() public ¶

clean( mixed $output )

Used to remove harmful tags from content. Removes a number of well known XSS attacks from content. However, is not guaranteed to remove all possiblities. Escaping content is the best way to prevent all possible attacks.

Parameters
mixed $output
Either an array of strings to clean or a single string to clean.
Returns
cleaned
content for output

domId() public ¶

domId( mixed $options = null , string $id = 'id' )

Generates a DOM ID for the selected element, if one is not set. Uses the current View::entity() settings to generate a CamelCased id attribute.

Parameters
mixed $options optional null

Either an array of html attributes to add $id into, or a string with a view entity path to get a domId for.

string $id optional 'id'
The name of the 'id' attribute.
Returns
mixed

If $options was an array, an array will be returned with $id set. If a string was supplied, a string will be returned.


field() public ¶

field( )

Gets the currently-used model field of the rendering context.

Returns
string

get__() public ¶

get__( $name )

Default overload methods

loadConfig() public ¶

loadConfig( $name = 'tags' )

Parses tag templates into $this->tags.

Parameters
$name optional 'tags'
name inside app/config to load.
Returns
array
merged tags from config/$name.php

model() public ¶

model( )

Gets the currently-used model of the rendering context.

Returns
string

modelID() public ¶

modelID( )

Gets the ID of the currently-used model of the rendering context.

Returns
mixed

output() public deprecated ¶

output( string $str )

Returns a string generated by a helper method

This method can be overridden in subclasses to do generalized output post-processing

Deprecated
This method will be removed in future versions.
Parameters
string $str
String to be output.
Returns
string

setEntity() public ¶

setEntity( mixed $entity , boolean $setScope = false )

Sets this helper's model and field properties to the dot-separated value-pair in $entity.

Parameters
mixed $entity
A field name, like "ModelName.fieldName" or "ModelName.ID.fieldName"
boolean $setScope optional false
Sets the view scope to the model specified in $tagValue

set__() public ¶

set__( $name , $value )

tagIsInvalid() public ¶

tagIsInvalid( string $model = null , string $field = null , integer $modelID = null )

Returns null if given FORM field has no errors. Otherwise it returns the constant set in the array Model->validationErrors.

Parameters
string $model optional null
Model name as a string
string $field optional null
Fieldname as a string
integer $modelID optional null
Unique index identifying this record within the form
Returns
mixed
Null if no errors, string with error otherwhise.

value() public ¶

value( mixed $options = array() , string $field = null , string $key = 'value' )

Gets the data for the current tag

Parameters
mixed $options optional array()

If an array, should be an array of attributes that $key needs to be added to. If a string or null, will be used as the View entity.

string $field optional null
string $key optional 'value'
The name of the attribute to be set, defaults to 'value'
Returns
mixed

If an array was given for $options, an array with $key set will be returned. If a string was supplied a string will be returned.


webroot() public ¶

webroot( string $file )

Checks if a file exists when theme is used, if no file is found default location is returned

Parameters
string $file
The file to create a webroot path to.
Returns
string
Web accessible path to file.

Methods inherited from Overloadable

__call() public ¶

__call( string $method , array $params )

Magic method handler.

Parameters
string $method
Method name
array $params
Parameters to send to method
Returns
mixed
Return value from method

overload() public ¶

overload( )

Overload implementation. No need for implementation in PHP5.

Methods inherited from Object

Object() public ¶

Object( )

A hack to support __construct() on PHP 4 Hint: descendant classes have no PHP4 class_name() constructors, so this constructor gets called first and calls the top-layer __construct() which (if present) should call parent::__construct()

Returns
Object

__openPersistent() public ¶

__openPersistent( string $name , string $type = null )

Open the persistent class file for reading Used by Object::_persist()

Parameters
string $name
Name of persisted class
string $type optional null
Type of persistance (e.g: registry)

_persist() public ¶

_persist( string $name , string $return , $object , $type = null )

Checks for a persistent class file, if found file is opened and true returned If file is not found a file is created and false returned If used in other locations of the model you should choose a unique name for the persistent file There are many uses for this method, see manual for examples

Parameters
string $name
name of the class to persist
string $return
$object the object to persist
$object
$type optional null
Returns
boolean
Success

_savePersistent() public ¶

_savePersistent( string $name , object $object )

You should choose a unique name for the persistent file

There are many uses for this method, see manual for examples

Parameters
string $name
name used for object to cache
object $object
the object to persist
Returns
boolean
true on save, throws error if file can not be created

_set() public ¶

_set( array $properties = array() )

Allows setting of multiple properties of the object in a single line of code. Will only set properties that are part of a class declaration.

Parameters
array $properties optional array()
An associative array containing properties and corresponding values.

_stop() public ¶

_stop( $status = 0 )

Stop execution of the current script. Wraps exit() making testing easier.

Parameters
$status optional 0
http://php.net/exit for values

cakeError() public ¶

cakeError( string $method , array $messages = array() )

Used to report user friendly errors. If there is a file app/error.php or app/app_error.php this file will be loaded error.php is the AppError class it should extend ErrorHandler class.

Parameters
string $method
Method to be called in the error class (AppError or ErrorHandler classes)
array $messages optional array()
Message that is to be displayed by the error class
Returns
error
message

dispatchMethod() public ¶

dispatchMethod( string $method , array $params = array() )

Calls a method on this object with the given parameters. Provides an OO wrapper for call_user_func_array

Parameters
string $method
Name of the method to call
array $params optional array()
Parameter list to use when calling $method
Returns
mixed
Returns the result of the method call

log() public ¶

log( string $msg , integer $type = LOG_ERROR )

Convience method to write a message to CakeLog. See CakeLog::write() for more information on writing to logs.

Parameters
string $msg
Log message
integer $type optional LOG_ERROR
Error type constant. Defined in app/config/core.php.
Returns
boolean
Success of log write

requestAction() public ¶

requestAction( mixed $url , array $extra = array() )

Calls a controller's method from any location. Can be used to connect controllers together or tie plugins into a main application. requestAction can be used to return rendered views or fetch the return value from controller actions.

Parameters
mixed $url
String or array-based url.
array $extra optional array()
if array includes the key "return" it sets the AutoRender to true.
Returns
mixed

Boolean true or false on success/failure, or contents of rendered action if 'return' is set in $extra.


toString() public ¶

toString( )

Object-to-string conversion. Each class can override this method as necessary.

Returns
string
The name of this class

Properties detail

$__defaultModel ¶

public string

Holds the default model for paged recordsets

null

$_ajaxHelperClass ¶

public string

The class used for 'Ajax' pagination links.

'Js'

$helpers ¶

public array

Helper dependencies

array('Html')

$options ¶

public array

Holds the default options for pagination links

The values that may be specified are:

  • $options['format'] Format of the counter. Supported formats are 'range' and 'pages' and custom (default). In the default mode the supplied string is parsed and constants are replaced by their actual values. Constants: %page%, %pages%, %current%, %count%, %start%, %end% .
  • $options['separator'] The separator of the actual page and number of pages (default: ' of ').
  • $options['url'] Url of the action. See Router::url()
  • $options['url']['sort'] the key that the recordset is sorted.
  • $options['url']['direction'] Direction of the sorting (default: 'asc').
  • $options['url']['page'] Page # to display.
  • $options['model'] The name of the model.
  • $options['escape'] Defines if the title field for the link should be escaped (default: true).
  • $options['update'] DOM id of the element updated with the results of the AJAX call. If this key isn't specified Paginator will use plain HTML links.
  • $options['indicator'] DOM id of the element that will be shown when doing AJAX requests. Only supported by AjaxHelper
array()
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