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<?php |
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/* |
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Copyight: Deux Huit Huit 2014 |
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LICENCE: MIT http://deuxhuithuit.mit-license.org; |
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*/ |
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if(!defined("__IN_SYMPHONY__")) die("<h2>Error</h2><p>You cannot directly access this file</p>"); |
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require_once(EXTENSIONS . '/entry_relationship_field/fields/field.entry_relationship.php'); |
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/** |
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* |
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* @author Deux Huit Huit |
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* https://deuxhuithuit.com/ |
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* |
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*/ |
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class extension_entry_relationship_field extends Extension { |
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/** |
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* Name of the extension |
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* @var string |
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*/ |
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const EXT_NAME = 'Entry Relationship Field'; |
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/** |
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* Symphony utility function that permits to |
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* implement the Observer/Observable pattern. |
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* We register here delegate that will be fired by Symphony |
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*/ |
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public function getSubscribedDelegates(){ |
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return array( |
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array( |
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'page' => '/backend/', |
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'delegate' => 'InitaliseAdminPageHead', |
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'callback' => 'appendAssets' |
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) |
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); |
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} |
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/** |
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* |
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* Appends javascript file references into the head, if needed |
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* @param array $context |
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*/ |
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public function appendAssets(array $context) { |
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// store the callback array locally |
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$c = Administration::instance()->getPageCallback(); |
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// publish page |
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if($c['driver'] == 'publish') { |
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Administration::instance()->Page->addStylesheetToHead( |
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URL . '/extensions/entry_relationship_field/assets/publish.entry_relationship_field.css', |
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'screen', |
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time() + 1, |
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false |
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); |
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Administration::instance()->Page->addScriptToHead( |
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URL . '/extensions/entry_relationship_field/assets/publish.entry_relationship_field.js', |
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time(), |
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false |
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); |
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} else if ($c['driver'] == 'blueprintssections') { |
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Administration::instance()->Page->addStylesheetToHead( |
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URL . '/extensions/entry_relationship_field/assets/section.entry_relationship_field.css', |
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'screen', |
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time() + 1, |
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false |
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); |
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Administration::instance()->Page->addScriptToHead( |
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URL . '/extensions/entry_relationship_field/assets/section.entry_relationship_field.js', |
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time(), |
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false |
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); |
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} |
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} |
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/* ********* INSTALL/UPDATE/UNINSTALL ******* */ |
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/** |
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* Creates the table needed for the settings of the field |
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*/ |
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public function install() { |
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General::realiseDirectory(WORKSPACE . '/er-templates'); |
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return FieldEntry_relationship::createFieldTable(); |
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} |
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/** |
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* This method will update the extension according to the |
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* previous and current version parameters. |
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* @param string $previousVersion |
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*/ |
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public function update($previousVersion = false) { |
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$ret = true; |
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if (!$previousVersion) { |
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$previousVersion = '0.0.1'; |
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} |
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// less than 1.0.2 |
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if ($ret && version_compare($previousVersion, '1.0.2') == -1) { |
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$ret = FieldEntry_relationship::update_102(); |
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} |
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// less than 1.0.3 |
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if ($ret && version_compare($previousVersion, '1.0.3') == -1) { |
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$ret = FieldEntry_relationship::update_103(); |
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} |
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// less than 2.0.0 |
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if ($ret && version_compare($previousVersion, '2.0.0') == -1) { |
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$ret = FieldEntry_relationship::update_200(); |
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} |
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return $ret; |
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} |
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/** |
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* Drops the table needed for the settings of the field |
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*/ |
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public function uninstall() { |
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return FieldEntry_relationship::deleteFieldTable(); |
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} |
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} |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: