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BUGFIX #4255 sharvey: Fix application of extra db fields by DataObjectDecorators.

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API CHANGE #4255 sharvey: DataObjectDecorator::extraStatics() can no longer refer to $this because it's called staticly


git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@79430 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2009-06-17 07:01:28 +00:00
parent 1168bf07c6
commit 0540bec71f
6 changed files with 42 additions and 98 deletions
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3
core/Object.php
View File

@ -388,9 +388,10 @@ abstract class Object {
unset(self::$classes_constructed[$subclass]);
}
// merge with existing static vars
self::add_static_var($class, 'extensions', array($extension));
DataObjectDecorator::load_extra_statics($class, $extension);
}
/**

9
core/model/DataObject.php
View File

@ -386,11 +386,12 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
parent::defineMethods();
// Define the extra db fields
// Define the extra db fields - this is only necessary for extensions added in the
// class definition. Object::add_extension() will call this at definition time for
// those objects, which is a better mechanism. Perhaps extensions defined inside the
// class def can somehow be applied at definiton time also?
if($this->extension_instances) foreach($this->extension_instances as $i => $instance) {
$instance->setOwner($this);
$instance->loadExtraStatics();
$instance->clearOwner();
DataObjectDecorator::load_extra_statics($this->class, $instance->class);
}
// Set up accessors for joined items

80
core/model/DataObjectDecorator.php
View File

@ -34,65 +34,44 @@ abstract class DataObjectDecorator extends Extension {
private static $extra_statics_loaded = array();
/**
* Set the owner of this decorator.
* @param DataObject $owner
* Load the extra static definitions for the given extension
* class name, called by {@link Object::add_extension()}
*
* @param string $class Class name of the owner class (or owner base class)
* @param string $extension Class name of the extension class
*/
/*
function setOwner($owner, $ownerBaseClass = null) {
if($owner && !($owner instanceof DataObject)) {
user_error(sprintf(
"DataObjectDecorator->setOwner(): Trying to decorate an object of class '%s' with '%s',
only Dataobject subclasses are supported.",
get_class($owner), $this->class),
E_USER_ERROR
);
return false;
}
public static function load_extra_statics($class, $extension) {
if(!empty(self::$extra_statics_loaded[$class][$extension])) return;
self::$extra_statics_loaded[$class][$extension] = true;
if(!method_exists($extension, 'extraStatics')) return;
parent::setOwner($owner, $ownerBaseClass);
}
*/
/**
* Load the extra database fields defined in extraStatics.
*/
function loadExtraStatics() {
if(!empty(self::$extra_statics_loaded[$this->ownerBaseClass][$this->class])) return;
self::$extra_statics_loaded[$this->ownerBaseClass][$this->class] = true;
// If the extension has been manually applied to a subclass, we should ignore that.
if(Object::has_extension(get_parent_class($this->owner), $this->class)) return;
if($fields = $this->extraStatics()) {
foreach($fields as $relation => $newVal) {
if(isset(self::$decoratable_statics[$relation])) {
$origVal = Object::get_static($this->ownerBaseClass, $relation);
if(Object::has_extension(get_parent_class($class), $extension)) return;
$statics = call_user_func(array($extension, 'extraStatics'));
if($statics) {
foreach($statics as $name => $newVal) {
if(isset(self::$decoratable_statics[$name])) {
$origVal = self::get_static($class, $name);
// Array to be merged
if(self::$decoratable_statics[$relation]) {
if(self::$decoratable_statics[$name]) {
// Can't use add_static_var() here as it would merge the array rather than replacing
Object::set_static($this->ownerBaseClass, $relation, array_merge((array)$origVal, $newVal));
// Value to be overwritten
self::set_static($class, $name, array_merge((array)$origVal, $newVal));
// Value to be overwritten
} else {
Object::set_static ($this->ownerBaseClass, $relation, $newVal);
Object::set_static($class, $name, $newVal);
}
}
}
DataObject::$cache_has_own_table[$this->ownerBaseClass] = null;
DataObject::$cache_has_own_table_field[$this->ownerBaseClass] = null;
DataObject::$cache_has_own_table[$class] = null;
DataObject::$cache_has_own_table_field[$class] = null;
}
}
/**
* @deprecated 2.4 Use loadExtraStatics()
*/
function loadExtraDBFields() {
user_error('DataObjectDecorator::loadExtraDBFields() is deprecated. Please use loadExtraStatics() instead.', E_USER_NOTICE);
return $this->loadExtraStatics();
}
/**
* Edit the given query object to support queries for this extension
*
@ -155,16 +134,9 @@ abstract class DataObjectDecorator extends Extension {
* the values are additional fields/relations to be defined.
*/
function extraStatics() {
return $this->extraDBFields();
}
/**
* @deprecated 2.4 Use extraStatics()
*/
function extraDBFields() {
return array();
}
/**
* This function is used to provide modifications to the form in the CMS
* by the decorator. By default, no changes are made. {@link DataObject->getCMSFields()}.

22
core/model/Translatable.php
View File

@ -438,19 +438,15 @@ class Translatable extends DataObjectDecorator {
}
function extraStatics() {
if(get_class($this->owner) == ClassInfo::baseDataClass(get_class($this->owner))) {
return array(
"db" => array(
"Locale" => "DBLocale",
//"TranslationMasterID" => "Int" // optional relation to a "translation master"
),
"defaults" => array(
"Locale" => Translatable::default_locale() // as an overloaded getter as well: getLang()
)
);
} else {
return array();
}
return array(
"db" => array(
"Locale" => "DBLocale",
//"TranslationMasterID" => "Int" // optional relation to a "translation master"
),
"defaults" => array(
"Locale" => Translatable::default_locale() // as an overloaded getter as well: getLang()
)
);
}
/**

15
tests/model/TranslatableTest.php
View File

@ -33,21 +33,6 @@ class TranslatableTest extends FunctionalTest {
global $_SINGLETONS;
$_SINGLETONS = array();
// @todo Hack to refresh statics on the newly decorated classes
$newSiteTree = new SiteTree();
foreach($newSiteTree->getExtensionInstances() as $extInstance) {
$extInstance->setOwner($newSiteTree);
$extInstance->loadExtraStatics();
$extInstance->clearOwner();
}
// @todo Hack to refresh statics on the newly decorated classes
$TranslatableTest_DataObject = new TranslatableTest_DataObject();
foreach($TranslatableTest_DataObject->getExtensionInstances() as $extInstance) {
$extInstance->setOwner($TranslatableTest_DataObject);
$extInstance->loadExtraStatics();
$extInstance->clearOwner();
}
// recreate database with new settings
$dbname = self::create_temp_db();
DB::set_alternative_database_name($dbname);

11
tests/search/TranslatableSearchFormTest.php
View File

@ -32,17 +32,6 @@ class TranslatableSearchFormTest extends FunctionalTest {
// clear singletons, they're caching old extension info which is used in DatabaseAdmin->doBuild()
global $_SINGLETONS;
$_SINGLETONS = array();
// @todo Hack to refresh statics on the newly decorated classes
$newSiteTree = new SiteTree();
foreach($newSiteTree->getExtensionInstances() as $extInstance) {
$extInstance->loadExtraStatics();
}
// @todo Hack to refresh statics on the newly decorated classes
$TranslatableTest_DataObject = new TranslatableTest_DataObject();
foreach($TranslatableTest_DataObject->getExtensionInstances() as $extInstance) {
$extInstance->loadExtraStatics();
}
// recreate database with new settings
$dbname = self::create_temp_db();