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ENHANCEMENT Using ->request in LeftAndMain->currentPageID()

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MINOR Documentation in LeftAndMain

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@92760 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2009-11-21 03:17:19 +00:00
parent 23bac6e84f
commit c65800aa57
1 changed files with 36 additions and 6 deletions
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42
code/LeftAndMain.php
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@ -846,11 +846,21 @@ JS;
); );
} }
/**
* Identifier for the currently shown record,
* in most cases a database ID. Inspects the following
* sources (in this order):
* - GET/POST parameter named 'ID'
* - URL parameter named 'ID'
* - Session value namespaced by classname, e.g. "CMSMain.currentPage"
*
* @return int
*/
public function currentPageID() { public function currentPageID() {
if(isset($_REQUEST['ID']) && is_numeric($_REQUEST['ID'])) { if($this->request->getVar('ID')) {
return $_REQUEST['ID']; return $this->request->getVar('ID');
} elseif (isset($this->urlParams['ID']) && is_numeric($this->urlParams['ID'])) { } elseif ($this->request->param('ID')) {
return $this->urlParams['ID']; return $this->request->param('ID');
} elseif(Session::get("{$this->class}.currentPage")) { } elseif(Session::get("{$this->class}.currentPage")) {
return Session::get("{$this->class}.currentPage"); return Session::get("{$this->class}.currentPage");
} else { } else {
@ -858,16 +868,36 @@ JS;
} }
} }
/**
* Forces the current page to be set in session,
* which can be retrieved later through {@link currentPageID()}.
* Keep in mind that setting an ID through GET/POST or
* as a URL parameter will overrule this value.
*
* @param int $id
*/
public function setCurrentPageID($id) { public function setCurrentPageID($id) {
Session::set("{$this->class}.currentPage", $id); Session::set("{$this->class}.currentPage", $id);
} }
/**
* Uses {@link getRecord()} and {@link currentPageID()}
* to get the currently selected record.
*
* @return DataObject
*/
public function currentPage() { public function currentPage() {
return $this->getRecord($this->currentPageID()); return $this->getRecord($this->currentPageID());
} }
public function isCurrentPage(DataObject $page) { /**
return $page->ID == Session::get("{$this->class}.currentPage"); * Compares a given record to the currently selected one (if any).
* Used for marking the current tree node.
*
* @return boolean
*/
public function isCurrentPage(DataObject $record) {
return ($record->ID == $this->currentPageID());
} }
/** /**