Class: I2CE FormStorage DB: Difference between revisions

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This article desrcibes the1 class '''I2CE_FormStorage_DB'''.
#REDIRECT [[Class: I2CE_FormStorage_DB (4.1.7)]]
*Extends the class: [[Class: I2CE_FormStorage_Mechanism | I2CE_FormStorage_Mechanism]].
It is contained in the module [[iHRIS Module List#forms-storage|forms-storage]] in the package [https://launchpad.net/i2ce I2CE]
 
The class is defined in the file: [http://bazaar.launchpad.net/~intrahealth+informatics/i2ce/4.0.0-release/annotate/head:/modules/Forms/modules/FormStorage/lib/I2CE_FormStorage_DB.php modules/Forms/modules/FormStorage/lib/I2CE_FormStorage_DB.php]
 
@subpackage Core
@filesource
Class I2CE_Module_FormStorage_DB
*Author: Carl Leitner <litlfred@ibiblio.org>
*Since: v3.2.0
==Variables==
===$db===
The database object
*Type: protected MDB2 $db
 
==Methods==
===FF_populateHistory()===
Populate the history of entries for the form field if the storage module handles history.
*Signature: public function FF_populateHistory($form_field)
*Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ]
Parameters:
* [[Class: I2CE_FormField | I2CE_FormField]] $form_field
===__construct()===
Construct this module class
*Signature: public function __construct($name,$options)
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $name
* [http://www.php.net/manual/en/language.types.array.php array ] $options
===getFields()===
Generates a SQL to select the required fields.
If it is scalar and non-boolean, it is consider to be the ID of the parent, and then we get all forms with parent the given id.
@param mixed $expr array or class implementing ArrayAccess, Iterator, and Countable (e.g. MagicDataNode) . the where data.
If it is as an array of two integers, it is the offset and then number of results to limit to.
@param callback $field_refernece_callback.  A callback function whose first arguement is the form, the second arguements
is the field and which returns the way the field value should be references as a field.  If the callback is null (the default) then
the reference used is "$form+$field"
time greater than $mod_time.  If the form storage has no way of tracking modifucation time, all entries are listed.
*Signature: public function getFields($form,$fields,$parent,$where_data,$ordering,$limit,$field_reference_callback,$mod_time)
*Returns: [http://www.php.net/manual/en/language.types.string.php string ] the SQL Query needed to get the form/field data or false on failure.
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form<br/>The form we are select from
* [http://www.php.net/manual/en/language.types.array.php array ] $fields<br/>of string.  the fields that we want to select.  the keys are the fields names, the values are what we wish to select them as.
**Default Value: array()
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $parent<br/>Defaults to false.  If true, we include the parent id as a referenced field.
*$where_data
**Default Value: array()
* [http://www.php.net/manual/en/language.types.array.php array ] $ordering<br/>An array of fields to order by.  Defaults to the empty array.  Prepend a - to order by in descending order.
**Default Value: array()
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $limit<br/>Defaults to false.  It true, returns only one result.  If an integer it is the numeber of records to limit to.
**Default Value: false
*$field_reference_callback
**Default Value: null
* integer $mod_time<br/>Defaults to -1.  If non-negative, we only list the requested fields for an id if at least one of them has a modification
**Default Value: -1
===getIdsAsChild()===
Gets the id's for the given child for this form.
@param  array/string: an optional orderBy array of fields
@param array  where
@param integer: A limit of the number of children ids to return
*Signature: public function getIdsAsChild($form,$parent_form_id,$order_by,$where,$limit)
*Returns: [http://www.php.net/manual/en/language.types.array.php array ]
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $parent_form_id<br/>the prent form and id
*$order_by
*$where
*$limit
===getRecords()===
Return an array of all the record ids for a given form.
*Signature: public function getRecords($form)
*Returns: [http://www.php.net/manual/en/language.types.array.php array ]
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form
===getRequiredFieldsQuery()===
Construct a query (to be used as a sub-select) to view the fields of the given form.  It always will return the id of the form as well
If it is scalar and non-boolean, it is consider to be the ID of the parent, and then we get all forms with parent the given id.
@param callback $field_refernece_callback.  A callback function whose first arguement is the form, the second arguements
is the field and which returns the way the field value should be references as a field.  If the callback is null (the default) then
the reference used is "$form+$field"
time greater than or equal to $mod_time.  If the form storage has no way of tracking modifucation time, all entries are listed.
*Signature: abstract public function getRequiredFieldsQuery($form,$fields,$id,$parent,$field_reference_callback,$mod_time)
*Returns: [http://www.php.net/manual/en/language.types.string.php string ] the query or false on failed.
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $fields<br/>Either a string, the field, or an array of string, the fields.
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $id<br/>Defaults to null.  If non-null it is the id that we wish to limit to.
**Default Value: null
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $parent<br/>Defaults to false.  If true, we include the parent id as a referenced field.
**Default Value: false
*$field_reference_callback
**Default Value: null
* integer $mod_time<br/>Defaults to -1. If non-negative, we only list the requested fields for an id if at least one of them has a modification
**Default Value: -1
===listDisplayFields()===
and then we get all forms with parent the given id. If true, we return the parent as one of the fields.
If it is as an array of two integers, it is the offset and then number of results to limit to.
time greater than or equal to $mod_time.  If the form storage has no way of tracking modifucation time, all entries are listed.
*Signature: public function listDisplayFields($form,$fields,$parent,$where_data,$ordering,$limit,$mod_time)
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed ] an array with key id's and value and array of values.  the array of values has as keys the fields with their corresponding value.
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form
* [http://www.php.net/manual/en/language.types.array.php array ] $fields<br/>of string. The fields we want returned
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $parent<br/>Defaults to false.    If it is scalar and non-boolean, it is consider to be the ID of the parent,
**Default Value: false
* [http://www.php.net/manual/en/language.types.array.php array ] $where_data<br/>contains the  where clause information about this form or a nested
**Default Value: array()
* [http://www.php.net/manual/en/language.types.array.php array ] $ordering<br/>An array of fields to order by.  Defaults to the empty array.  Prepend a - to order by in descending order.
**Default Value: array()
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $limit<br/>Defaults to false.  It true, returns only one result.  If an integer it is the numeber of records to limit to.
**Default Value: false
* integer $mod_time<br/>Defaults to -1.  If non-negative, we only list the requested fields for an id if at least one of them has a modification
**Default Value: -1
===listFields()===
and then we get all forms with parent the given id. If true, we return the parent as one of the fields.
If it is as an array of two integers, it is the offset and then number of results to limit to.
time greater than or equal to $mod_time.  If the form storage has no way of tracking modifucation time, all entries are listed.
*Signature: public function listFields($form,$fields,$parent,$where_data,$ordering,$limit,$mod_time)
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed ] an array with key id's and value and array of values.  the array of values has as keys the fields with their corresponding value.
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form
* [http://www.php.net/manual/en/language.types.array.php array ] $fields<br/>of string. The fields we want returned
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $parent<br/>Defaults to false.    If it is scalar and non-boolean, it is consider to be the ID of the parent,
**Default Value: false
* [http://www.php.net/manual/en/language.types.array.php array ] $where_data<br/>contains the  where clause information about this form or a nested
**Default Value: array()
* [http://www.php.net/manual/en/language.types.array.php array ] $ordering<br/>An array of fields to order by.  Defaults to the empty array.  Prepend a - to order by in descending order.
**Default Value: array()
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $limit<br/>Defaults to false.  It true, returns only one result.  If an integer it is the numeber of records to limit to.
**Default Value: false
* integer $mod_time<br/>Defaults to -1.  If non-negative, we only list the requested fields for an id if at least one of them has a modification
**Default Value: -1
===lookupDisplayField()===
Looks up the description of the item based on the code.
 
This is the default method that most implementations of {@link lookup()} use.  It finds the description of
the object based on the code and saves it in the {@link cache} and returns it.
than one. If false, it returns it as an array.
*Signature: public function lookupDisplayField($form,$id,$fields,$delim)
*Returns: [http://www.php.net/manual/en/language.types.string.php string ] false on failure
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form<br/>The name of the form in the database.
* integer $id<br/>The code of the entry to lookup.
* [http://www.php.net/manual/en/language.types.array.php array ] $fields<br/>A list of fields to look up and return.
* [http://www.php.net/manual/en/language.types.string.php string ] $delim<br/>The delimiter to put between returned fields if there are more
===lookupField()===
Looks up the description of the item based on the code.
 
This is the default method that most implementations of {@link lookup()} use.  It finds the description of
the object based on the code and saves it in the {@link cache} and returns it.
than one. If false, it returns it as an array.
*Signature: public function lookupField($form,$id,$fields,$delim)
*Returns: [http://www.php.net/manual/en/language.types.string.php string ] false on failure
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form<br/>The name of the form in the database.
* integer $id<br/>The code of the entry to lookup.
* [http://www.php.net/manual/en/language.types.array.php array ] $fields<br/>A list of fields to look up and return.
* [http://www.php.net/manual/en/language.types.string.php string ] $delim<br/>The delimiter to put between returned fields if there are more
===populate()===
Populate the member variables of the object from the database.
*Signature: public function populate($form)
Parameters:
* [[Class: I2CE_Form | I2CE_Form]] $form
===search()===
and then we get all forms with parent the given id.
If it is as an array of two integers, it is the offset and then number of results to limit to.
*Signature: public function search($form,$parent,$where_data,$ordering,$limit)
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed ] an array of matching form ids.  However, ff $limit_one is true or 1 or
array ($offset,1) then then we return either the id or false,  if none found or there was an error.
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string ] $form<br/>The form name.
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $parent<br/>Defaults to false.    If it is scalar and non-boolean, it is consider to be the ID of the parent,
**Default Value: false
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $where_data<br/>array or class implementing ArrayAccess, Iterator, and Countable (e.g. MagicDataNode) . the where data.
**Default Value: array()
* [http://www.php.net/manual/en/language.types.array.php array ] $ordering<br/>An array of fields to order by.  Defaults to the empty array.  Prepend a - to order by in descending order.
**Default Value: array()
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $limit<br/>Defaults to false.  It true, returns only one result.  If an integer it is the numeber of records to limit to.
**Default Value: false
==Inherited Variables==
===$name===
Theis protected variable is inherited from [[Class: I2CE_FormStorage_Mechanism#$name | I2CE_FormStorage_Mechanism->$name]]
 
===$global_options===
Theis protected variable is inherited from [[Class: I2CE_FormStorage_Mechanism#$global_options | I2CE_FormStorage_Mechanism->$global_options]]
 
===$ordering===
Theis protected variable is inherited from [[Class: I2CE_FormStorage_Mechanism#$ordering | I2CE_FormStorage_Mechanism->$ordering]]
==Inherited Fuzzy Methods==
===userMessage()===
This method is inherited from [[Class: I2CE_Fuzzy#userMessage() | I2CE_Fuzzy->userMessage()]]
 
 
[[Category:Class Documentation]]

Latest revision as of 08:39, 23 August 2013