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API CHANGE: Added applicablePagesHelper to CMSBatchAction to ease the process of creating new applicable page methods.

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ENHANCEMENT: Added applicable pages checks to delete from live, delete from draft, and publish (from r94775) (from r96821)

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@102680 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2010-04-13 03:58:16 +00:00
parent 184289b3d9
commit feeb1e40fa
1 changed files with 52 additions and 0 deletions
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52
code/CMSBatchAction.php
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@ -71,6 +71,46 @@ abstract class CMSBatchAction extends Object {
return Convert::raw2json($status);
}
/**
* Helper method for applicablePages() methods. Acts as a skeleton implementation.
*
* @param $ids The IDs passed to applicablePages
* @param $methodName The canXXX() method to call on each page to check if the action is applicable
* @param $checkStagePages Set to true if you want to check stage pages
* @param $checkLivePages Set to true if you want to check live pages (e.g, for deleted-from-draft)
*/
function applicablePagesHelper($ids, $methodName, $checkStagePages = true, $checkLivePages = true) {
if(!is_array($ids)) user_error("Bad \$ids passed to applicablePagesHelper()", E_USER_WARNING);
if(!is_string($methodName)) user_error("Bad \$methodName passed to applicablePagesHelper()", E_USER_WARNING);
$applicableIDs = array();
$SQL_ids = implode(', ', array_filter($ids, 'is_numeric'));
$draftPages = DataObject::get("SiteTree", "\"SiteTree\".\"ID\" IN ($SQL_ids)");
$onlyOnLive = array_fill_keys($ids, true);
if($checkStagePages) {
foreach($draftPages as $page) {
unset($onlyOnLive[$page->ID]);
if($page->$methodName()) $applicableIDs[] = $page->ID;
}
}
// Get the pages that only exist on live (deleted from stage)
if($checkLivePages && $onlyOnLive) {
$SQL_ids = implode(', ', array_keys($onlyOnLive));
$livePages = Versioned::get_by_stage("SiteTree", "Live", "\"SiteTree\".\"ID\" IN ($SQL_ids)");
if($livePages) foreach($livePages as $page) {
if($page->$methodName()) $applicableIDs[] = $page->ID;
}
}
return $applicableIDs;
}
// if your batchaction has parameters, return a fieldset here
function getParameterFields() {
@ -94,6 +134,10 @@ class CMSBatchAction_Publish extends CMSBatchAction {
_t('CMSBatchActions.PUBLISHED_PAGES', 'Published %d pages, %d failures')
);
}
function applicablePages($ids) {
return $this->applicablePagesHelper($ids, 'canPublish', true, false);
}
}
/**
@ -155,6 +199,10 @@ class CMSBatchAction_Delete extends CMSBatchAction {
return Convert::raw2json($status);
}
function applicablePages($ids) {
return $this->applicablePagesHelper($ids, 'canDelete', true, false);
}
}
/**
@ -195,4 +243,8 @@ class CMSBatchAction_DeleteFromLive extends CMSBatchAction {
return Convert::raw2json($status);
}
function applicablePages($ids) {
return $this->applicablePagesHelper($ids, 'canDelete', false, true);
}
}