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Notes / Best Practices for Coding
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General
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* Class QuickFormQuery is the main entry point called by:
* T3 Extension 'QFQ': called once per tt_content-record. 'bodytext' will be transferred to class QuickFormQuery.
* The 'bodytext' contains:
* Report definiton: 10.sql=SELECT ...
* Form definition (explizit): form=Person
* <Empty>: do nothing
* api/save.php: wrapper to receive AJAX post request and instantiate QuickFormQuery.
* api/load.php: not implemented yet.
* Wrapper to receive AJAX get requests.
* delivers data for jqw grid
* delivers data for typeahed fields
* delivers data for select list
* delivers data for depended (user select/unselect former elements) form elements
LOAD
----
* When qfq starts,
* (Form) Looking for a formname at:
1. Typo3 Bodytext Element,
2. For the 'SIP' ($_GET['s'])
3. $_GET variables 'form' and 'r' (=recordId) - the parameter 'form' has to be allowed in 'Permit URL Parameter' of
the specified form. This means: load the form to check, if it is allowed to load the form!?
* If a formname is found, the search stops and the specified form will be processed.
* (Report)
* Process all <number>.[<number.>].sql statements
* Access code variables:
* active/valid formname: [$this->store->setVar(SYSTEM_FORM, $formName, STORE_SYSTEM);]
* SIP: [$this->store->getVar('form', STORE_SIP)]
* All parameters from active SIP: [$this->store->getStore(STORE_SIP)]
* Check Contstants.php for known Store members
* In QuickFormQuery.php the whole Form will be copied to $this->formSpec and depending on further processing, the elements are
available in $this->feNative and $this->feAction.
* The Form specificaton (table form) will be evaluated direct after loading.
* The FormElement specification will be evaluated later on in BuildForm*.php
SAVE
----
* Via wrapper api/save.php
* SID must be supplied via FORM POST
* The SID supplies the <formname> and the <redordid>
* form.render: plain/table/bootstrap
* Client will handle the response of save.php.
* Optional redirection initiated by client.
Debug / Log / Errormessages
===========================
* Before firing a SQL or doing processing of an FormElement, set some debugging / error variables:
[src] $this->store->setVar(SYSTEM_SQL_RAW, STORE_SYSTEM)
* Available fields:
<code>
SYSTEM_SQL_RAW
SYSTEM_SQL_FINAL
SYSTEM_SQL_COUNT
SYSTEM_SQL_PARAM_ARRAY
SYSTEM_FORM = CLIENT_FORM; // '<formName> / <formId>'
SYSTEM_FORM_ELEMENT = 'formElement'; // '<formElementName> / <formElementeId>'
SYSTEM_FORM_ELEMENT_COLUMN = 'formElementColumn'; // '<columnname of current processed formElement>'
</code>
Stores
======
* Retrieve 'get' or 'post' variables by:
[src] $values = $this->store->getStore(STORE_CLIENT)
Primary Table
=============
* For the primary table all informations are available in STORE_TABLE_DEFAULT and STORE_TABLE_COLUMN_TYPES.
* Get all columns of the primary table by
[src] array_keys($this->getStore(STORE_TABLE_COLUMN_TYPES))
* Get the recent record in STORE_RECORD and the parent record (multiforms) in STORE_PARENT_RECORD.
Typo3
=====
* $GLOBALS["TSFE"]->id current Page
* $GLOBALS["TSFE"]->fe_user->user["uid"] fe_user_uid
* https://wiki.typo3.org/Extbase_HowTos
* Old: $this->cObj->data['bodytext']
* New:
$contentObject = $this->configurationManager->getContentObject();
$configuration = $contentObject->data['bodytext'];
* Verzeichnisstruktur Extension: https://docs.typo3.org/typo3cms/CoreApiReference/ExtensionArchitecture/FilesAndLocations/Index.html
* http://api.typo3.org/
* http://api.typo3.org/typo3cms/62/html/index.html
* https://docs.typo3.org/typo3cms/CoreApiReference/Introduction/Index.html
SIP
===
Page loaded: www.example.com?index.php&id=start&s=badcaffee1234&type=2&L=3, with $_SESSION['badcaffee1234'] => 'form=Person&r=1'
* $_SESSION[$sip] => <urlparam> >> $_SESSION['badcaffee1234'] => 'form=Person&r=1'
* $_SESSION[$urlparam] => <sip> >> $_SESSION['form=Person&r=1'] => 'badcaffee1234'