Class: I2CE FormStorage Mechanism: Difference between revisions

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This article desrcibes the1 class '''I2CE_FormStorage_Mechanism'''.
#REDIRECT [[Class: I2CE_FormStorage_Mechanism (4.1.7)]]
*Extends the class: [[Class: I2CE_Fuzzy | I2CE_Fuzzy]].
*Location: Part of the module [[iHRIS Module List#forms-storage|forms-storage]] in the package [https://launchpad.net/i2ce I2CE]
*Source: Defined in the file [http://bazaar.launchpad.net/~intrahealth+informatics/i2ce/4.0.0-release/annotate/head:/modules/Forms/modules/FormStorage/lib/I2CE_FormStorage_Mechanism.php modules/Forms/modules/FormStorage/lib/I2CE_FormStorage_Mechanism.php]
 
*Author: Carl Leitner <litlfred@ibiblio.org>
*Since: v3.2.0
@filesource
Class I2CE_Module_FormStorage_Mechanism
==Constants==
===I2CE_FormStorage_Mechanism::CHANGE_INITIAL===
Constant signifying an initial entry.
Defined as: 1
===I2CE_FormStorage_Mechanism::CHANGE_VERIFY===
Constant signifying a verified entry.
Defined as: 2
===I2CE_FormStorage_Mechanism::CHANGE_CORRECTION===
Constant signifying a corrected entry.
Defined as: 3
===I2CE_FormStorage_Mechanism::CHANGE_UPDATE===
Constant signifying an updated entry.
Defined as: 4
==Variables==
===$name===
The short name for this storage mechanism
*Type: protected ng $name
 
===$global_options===
*Type: protected $global_options
 
===$ordering===
*Type: protected $ordering
 
==Methods==
===FF_IG_setSequence()===
Set FormField_INT_GENERATE sequence
*Signature: public function FF_IG_setSequence($form_field)
*Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ]
Parameters:
* [[Class: I2CE_FormField_INT_GENERATE | I2CE_FormField_INT_GENERATE]] $form_field
===FF_populateHistory()===
populate FormField history.  By default does nothing.
*Signature: public function FF_populateHistory($form_field)
Parameters:
* [[Class: I2CE_FormField | I2CE_FormField]] $form_field
===FF_save()===
Save the FormField to the database.
*Signature: public function FF_save($form_field,$do_check,$user)
*Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ]
Parameters:
* [[Class: I2CE_FormField | I2CE_FormField]] $form_field
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $do_check<br/>: A flag to determine if a check should be made for the same value being saved.
* [[Class: I2CE_User | I2CE_User]] $user<br/>: The user saving this data.
===__construct()===
The constructor for the storage mechanism
the same across all all forms which share a commone storage mechanisms
*Signature: public function __construct($name,$global_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 ] $global_options<br/>Default to empty array. The array of options that are
**Default Value: array()
===compareFormsByFields()===
Compares two forms to see which is greater based on the field ordering set in $this->ordering
@param $form1
@param $form2
*Signature: protected function compareFormsByFields($form1,$form2)
*Returns: [http://www.php.net/manual/en/language.types.integer.php int ]
Parameters:
*$form1
*$form2
===delete()===
Deletes a form from the entry tables.
table. default: false
*Signature: public function delete($form,$transact,$complete,$deleted_records)
*Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ]
Parameters:
* [[Class: I2CE_Form | I2CE_Form]] $form
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $transact<br/>: a flag to use transactions or not. default: true
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $complete<br/>: a flag to determine if a complete delete should happen.  default: false
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $deleted_records<br/>: a flag to determine if the record should not go to the deleted_records
===getFormsById()===
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.
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+$field"
*Signature: public function getFormsById($form,$parent,$where_data,$ordering,$limit)
*Returns: [http://www.php.net/manual/en/language.types.array.php array ] with keys id's and values the I2CE_Form instance.
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.boolean.php boolean ] $parent<br/>Defaults to false.  If true, we include the parent id as a referenced field.
* [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 ] $limit<br/>Defaults to false.  It true, returns only one result.  If an integer it is the numeber of records to limit to.
**Default Value: false
===getIdsAsChild()===
Gets the id's for the given child for this form.
@param  array/string: an optional orderBy array of fields
@param array  where
@param integer: A limit of the number of children ids to return
*Signature: public function getIdsAsChild($form_name,$parent_form_id,$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_name
* [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $parent_form_id<br/>the prent form id
*$order_by
*$where
*$limit
===getLimitedFields()===
*Signature: protected function getLimitedFields($expr)
Parameters:
*$expr
===getRecords()===
Return an array of all the record ids for a given form.
*Signature: abstract 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
===isWritable()===
Checks to see if this storage mechansim implements the writing methods.
You need to override this in a subclass that implements writable
*Signature: abstract public function isWritable()
*Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ]
===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<br/>THe form name
* [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<br/>THe form name
* [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 cache and returns it.
than one.  If false, returns the values 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 cache and returns it.
than one.  If false, returns the values 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 ] $delim<br/>The delimiter to put between returned fields if there are more
===populate()===
Populate the member variables of the object from the database.
*Signature: abstract public function populate($form)
Parameters:
* [[Class: I2CE_Form | I2CE_Form]] $form
===populateHistory()===
Populate the member variables of the object from the database.
*Signature: public function populateHistory($form)
Parameters:
* [[Class: I2CE_Form | I2CE_Form]] $form
===save()===
Save a form object into entry tables.
If this functio is over-written, it should include the fuzzy method call
foreach ($form as $field) {
$field->save(true/false, $user)
}
*Signature: public function save($form,$user,$transact)
Parameters:
* [[Class: I2CE_Form | I2CE_Form]] $form
* [[Class: I2CE_User | I2CE_User]] $user
* [http://www.php.net/manual/en/language.types.boolean.php boolean ] $transact
===search()===
and then we get all forms with parent the given id.
If it is as an array of two integers, it is the offset and then number of results to limit to.
*Signature: public function search($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 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