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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 shared methods for the form class. |
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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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abstract class AdminPageFramework_Form_Base extends AdminPageFramework_Form_Utility { |
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/** |
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* Stores resource items. |
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* |
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* @internal |
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*/ |
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static public $_aResources = array( |
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'internal_styles' => array(), |
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'internal_styles_ie' => array(), |
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'internal_scripts' => array(), |
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'src_styles' => array(), |
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'src_scripts' => array(), |
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); |
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/** |
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* Checks if a given array holds fieldsets or not. |
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* |
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* @todo It seems this method is not used. If so deprecate it. |
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* @return boolean |
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*/ |
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// public function isFieldsets( array $aItems ) { |
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// $_aItem = $this->getFirstElement( $aItems ); |
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// return isset( $_aItem[ 'field_id' ], $_aItem[ 'section_id' ] ); |
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// } |
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/** |
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* Determines whether the given ID is of a registered form section. |
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* |
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* Consider the possibility that the given ID may be used both for a section and a field. |
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* |
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* 1. Check if the given ID is not a section. |
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* 2. Parse stored fields and check their ID. If one matches, return false. |
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* |
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* @since 3.0.0 |
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* @since 3.7.0 Moved from `AdminPageFramework_FormDefinition_Base`. |
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*/ |
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public function isSection( $sID ) { |
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// @todo Find a way for nested sections. |
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// Integer IDs are not accepted as they are reserved for sub-sections. |
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if ( $this->isNumericInteger( $sID ) ) { |
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return false; |
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} |
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// If the section ID is not registered, return false. |
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if ( ! array_key_exists( $sID, $this->aSectionsets ) ) { |
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return false; |
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} |
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// the fields array's first dimension is also filled with the keys of section ids. |
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if ( ! array_key_exists( $sID, $this->aFieldsets ) ) { |
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return false; |
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} |
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// Since numeric IDs are denied at the beginning of the method, the elements will not be sub-sections. |
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$_bIsSeciton = false; |
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foreach( $this->aFieldsets as $_sSectionID => $_aFields ) { |
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if ( $_sSectionID == $sID ) { |
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$_bIsSeciton = true; |
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} |
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// a field using the ID is found, and it precedes a section match. |
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if ( array_key_exists( $sID, $_aFields ) ) { |
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return false; |
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} |
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} |
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return $_bIsSeciton; |
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} |
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/** |
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* Decides whether the current user including guests can view the form or not. |
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* |
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* To allow guests to view the form set an empty value to it. |
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* |
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* @since 3.7.0 |
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* @return boolean |
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*/ |
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public function canUserView( $sCapability ) { |
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if ( ! $sCapability ) { |
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return true; |
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} |
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return ( boolean ) current_user_can( $sCapability ); |
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} |
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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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* @access public A delegation class accesses this method so it must be public. |
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* @since 3.7.0 |
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* @return boolean |
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*/ |
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public function isInThePage() { |
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return $this->callBack( |
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$this->aCallbacks[ 'is_in_the_page' ], |
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true |
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); |
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} |
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/** |
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* Prevents the output from getting too long when the object is dumped. |
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* |
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* Field definition arrays contain the factory object reference and when the debug log method tries to dump it, the output gets too long. |
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* So shorten it here. |
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* |
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* @remark Called when the object is called as a string. |
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* @since 3.7.0 |
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*/ |
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public function __toString() { |
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return $this->getObjectInfo( $this ); |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: