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<?php |
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/** |
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* Admin Page Framework |
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* |
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* http://en.michaeluno.jp/admin-page-framework/ |
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* Copyright (c) 2013-2016 Michael Uno; Licensed MIT |
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* |
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*/ |
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/** |
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* Provides methods to build forms. |
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* |
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* @package AdminPageFramework |
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* @subpackage Common/Form |
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* @since 3.7.0 |
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* @internal |
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*/ |
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class AdminPageFramework_Form extends AdminPageFramework_Form_Controller { |
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/** |
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* Indicates the structure type of the form. |
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* |
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* The form input names and ids are constructed by this type. |
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* |
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* The main routine which instantiates this class shuld have its own structure type slug |
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* such as `admin_page`, `widget`, `page_meta_box`, `post_meta_box`, `network` etc. |
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* |
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* Each extended class should override this value. |
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*/ |
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public $sStructureType = ''; |
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/** |
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* Stores field type definitions. |
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* |
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* This will be set when fields are registered. |
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*/ |
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public $aFieldTypeDefinitions = array(); |
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/** |
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* Stores section set definitions. |
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*/ |
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public $aSectionsets = array( |
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'_default' => array( |
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'section_id' => '_default', |
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), |
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); |
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/** |
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* Stores field set definitions. |
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*/ |
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public $aFieldsets = array(); |
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/** |
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* Multi-dimensional array holding the saved form data. |
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*/ |
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public $aSavedData = array(); |
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/** |
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* The capability level of the form. |
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* |
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* This value is set via a callback before the form gets rendered. |
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* |
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* Each secitonset and fieldset has individual capability. If they are not set, |
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* This value will be applied. |
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*/ |
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public $sCapability = ''; // default - an empty string |
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/** |
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* Stores callback functions. |
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* Each value will have a callback. |
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*/ |
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public $aCallbacks = array( |
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/** |
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* @return string The form default capability level. |
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*/ |
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'capability' => null, |
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/** |
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* Decides whether the form elements should be registered or not. |
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* |
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* Registration in this context means whether to load related scripts and styles. |
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* Also, a callback will be performed when a field is registered. |
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* |
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* @return boolean |
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*/ |
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'is_in_the_page' => null, |
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/** |
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* Decides whether the fieldset should load its resources. |
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* |
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* Registration in this context means whether to load related scripts and styles |
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* and run associated callback upon filed type initialization. |
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* @return boolean |
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*/ |
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'is_fieldset_registration_allowed' => null, |
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/** |
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* Called when a fieldset is parsed to add resources. |
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* The main routine can use this hook to add help pane items. |
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* @return void |
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*/ |
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'load_fieldset_resource' => null, |
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/** |
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* The saved form data. |
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* @return array |
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*/ |
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'saved_data' => null, |
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/** |
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* Output |
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*/ |
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'fieldset_output' => null, |
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'section_head_output' => null, |
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/** |
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* Called when a sectionset gets formatted. |
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* Some factory classes such as the admin page have specific arguments such as `page_slug` and `tab_slug`. |
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* This callback allows factory classes modify the formatted sectionset definition array. |
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*/ |
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'sectionset_before_output' => null, |
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'fieldset_before_output' => null, |
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/** |
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* Decides whether the section is visible or not. |
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* This will be called when the form gets rendered. |
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* @return boolen |
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*/ |
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'is_sectionset_visible' => null, |
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/** |
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* Decides whether the field is visible or not. |
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* This will be called when the form gets rendered. |
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* @return boolean |
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*/ |
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'is_fieldset_visible' => null, |
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/** |
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* Allows the main routine to modify form element definitions including sectionsets and fieldsets. |
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*/ |
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'secitonsets_before_registration' => null, |
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'fieldsets_before_registration' => null, |
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/** |
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* Allows the main routine modify form element definitions |
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*/ |
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'fieldset_after_formatting' => null, |
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'fieldsets_before_formatting' => null, |
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/** |
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* Gets triggered after the form elements are registered and before the page gets rendered. |
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* So use this hook to handle submitted form data and validate them. |
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*/ |
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'handle_form_data' => null, |
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/** |
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* Determines whether to show debug information. |
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*/ |
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'show_debug_info' => null, |
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/** |
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* Applies to form field errors array. |
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* |
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* This is introduced to customize the field errors passed to the form rendering method, |
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* especially for front-end forms which does not reload the page after the form validation process. |
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* |
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* @since 3.8.11 |
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*/ |
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'field_errors' => null, |
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/** |
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* Field elements |
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*/ |
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'hfID' => null, // the input id attribute |
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'hfTagID' => null, // the fields & fieldset & field row container id attribute |
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'hfName' => null, // the input name attribute |
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'hfNameFlat' => null, // the flat input name attribute |
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'hfInputName' => null, // 3.6.0+ the field input name attribute |
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'hfInputNameFlat' => null, // 3.6.0+ the flat field input name |
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'hfClass' => null, // the class attribute |
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'hfSectionName' => null, // 3.6.0+ |
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); |
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/** |
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* Stores the message object. |
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*/ |
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public $oMsg; |
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/** |
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* Stores arguments which define the behaviour of the class object. |
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*/ |
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public $aArguments = array( |
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/** |
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* A caller id |
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* |
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* This is used when field types are registered and for field error transient IDs to retrieve field errors. |
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*/ |
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'caller_id' => '', |
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/** |
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* @var string The structure type of the form. |
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*/ |
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'structure_type' => 'admin_page', |
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/** |
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* should return the action hook name that the class calls back |
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* to determine the action hook for form element registration and validation. |
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* @return string |
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*/ |
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'action_hook_form_registration' => 'current_screen', |
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/** |
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* If `true` and if the form registration (loading resources) action hook is already triggerd, |
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* the callback will be triggered right away. If `false`, it must be dealt manually. |
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* This allows an option of not auto-register. This is useful for widget forms that get called multiple times |
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* so the form object need to be initialized many times. In that case, this value can be `false` |
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* so that it won't reset the options (form data) right away. |
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*/ |
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'register_if_action_already_done' => true, |
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); |
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/** |
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* A submit notice object. |
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*/ |
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public $oSubmitNotice; |
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/** |
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* A field error object. |
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*/ |
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public $oFieldError; |
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/** |
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* Last inputs handler object. |
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*/ |
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public $oLastInputs; |
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/** |
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* Stores sub-object class names. |
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* |
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* This allows extended form classes to define their own sub-classes. |
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* For example, for front-end forms, setting notices and field errors may not need to use transients. |
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* In that case, use a custom class to handle them. |
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* |
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* Also set an empty string to disable those objects. |
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* |
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* @since 3.8.11 |
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*/ |
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public $aSubClasses = array( |
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'submit_notice' => 'AdminPageFramework_Form___SubmitNotice', |
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'field_error' => 'AdminPageFramework_Form___FieldError', |
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'last_input' => 'AdminPageFramework_Form_Model___LastInput', |
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'message' => 'AdminPageFramework_Message', |
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); |
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/** |
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* Sets up properties. |
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* @since 3.7.0 |
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*/ |
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public function __construct( /* array $aArguments, array $aCallbacks=array(), $oMsg */ ) { |
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$_aParameters = func_get_args() + array( |
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$this->aArguments, |
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$this->aCallbacks, |
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$this->oMsg, |
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); |
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$this->aArguments = $this->___getArgumentsFormatted( $_aParameters[ 0 ] ); |
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$this->aCallbacks = $this->getAsArray( $_aParameters[ 1 ] ) + $this->aCallbacks; |
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$this->oMsg = $_aParameters[ 2 ] ? $_aParameters[ 2 ] : new $this->aSubClasses[ 'message' ]; |
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// Sub-class objects |
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$this->___setSubClassObjects(); |
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parent::__construct(); |
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$this->construct(); |
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} |
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/** |
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* Formats the argument array. |
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* @return array The formatted argument array. |
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* @since 3.7.0 |
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*/ |
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private function ___getArgumentsFormatted( $aArguments ) { |
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$aArguments = $this->getAsArray( $aArguments ) |
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+ $this->aArguments; |
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$aArguments[ 'caller_id' ] = $aArguments[ 'caller_id' ] |
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? $aArguments[ 'caller_id' ] |
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: get_class( $this ); // if a caller id is empty, this class name will be used. |
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if ( $this->sStructureType ) { |
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$aArguments[ 'structure_type' ] = $this->sStructureType; |
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} |
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return $aArguments; |
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} |
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/** |
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* @since 3.8.11 |
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*/ |
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private function ___setSubClassObjects() { |
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if ( class_exists( $this->aSubClasses[ 'submit_notice' ] ) ) { |
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$this->oSubmitNotice = new $this->aSubClasses[ 'submit_notice' ]; |
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} |
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if ( class_exists( $this->aSubClasses[ 'field_error' ] ) ) { |
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$this->oFieldError = new $this->aSubClasses[ 'field_error' ]( $this->aArguments[ 'caller_id' ] ); |
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} |
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if ( class_exists( $this->aSubClasses[ 'last_input' ] ) ) { |
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$this->oLastInputs = new $this->aSubClasses[ 'last_input' ]( $this->aArguments[ 'caller_id' ] ); |
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} |
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} |
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/** |
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* User constructor. |
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* Extended classes override this method to do set ups. |
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* @since 3.7.0 |
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*/ |
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public function construct() {} |
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} |
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