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ENHANCEMENT: Modify GridFieldLevelup to be more reusable

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Naomi Guyer 2012-06-26 15:59:06 +12:00 committed by Ingo Schommer
parent c3877075b9
commit d935a74e31
1 changed files with 62 additions and 27 deletions
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85
forms/gridfield/GridFieldLevelup.php
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@ -1,49 +1,84 @@
<?php
/**
* Adds a "level up" link to a GridField table, which is useful
* when viewing hierarchical data. Requires the managed record
* to have a "getParent()" method or has_one relationship called "Parent".
*/
class GridFieldLevelup extends Object implements GridField_HTMLProvider{
class GridFieldLevelup implements GridField_HTMLProvider{
/**
* @var integer - the record id of the level up to
*/
protected $levelID = null;
protected $currentID = null;
/**
* sprintf() spec for link to link to parent.
* Only supports one variable replacement - the parent ID.
* @var string
*/
protected $linkSpec = '';
/**
* @var array Extra attributes for the link
*/
protected $attributes = array();
/**
*
* @param integer $levelID - the record id of the level up to
* @param integer $currentID - The ID of the current item; this button will find that item's parent
*/
public function __construct($levelID = null) {
if($levelID && is_numeric($levelID)) {
$this->levelID = $levelID;
}
public function __construct($currentID) {
if($currentID && is_numeric($currentID)) $this->currentID = $currentID;
}
public function getHTMLFragments($gridField) {
$modelClass = $gridField->getModelClass();
if(isset($_GET['ParentID']) && $_GET['ParentID']){
$modelObj = DataObject::get_by_id($modelClass, $_GET['ParentID']);
if(is_callable(array($modelObj, 'getParent'))){
$levelup = $modelObj->getParent();
if(!$levelup){
$parentID = 0;
}else{
$parentID = $levelup->ID;
if($this->currentID) {
$modelObj = DataObject::get_by_id($modelClass, $this->currentID);
if($modelObj->hasMethod('getParent')) {
$parent = $modelObj->getParent();
} elseif($modelObj->ParentID) {
$parent = $modelObj->Parent();
}
}
//$controller = $gridField->getForm()->Controller();
if($parent) $parentID = $parent->ID;
// Attributes
$attrs = array_merge($this->attributes, array(
'href' => sprintf($this->linkSpec, $parentID),
'class' => 'cms-panel-link list-parent-link'
));
$attrsStr = '';
foreach($attrs as $k => $v) $attrsStr .= " $k=\"" . Convert::raw2att($v) . "\"";
$forTemplate = new ArrayData(array(
'UpLink' => sprintf(
'<a class="cms-panel-link list-parent-link" href="?ParentID=%d&view=list" data-pjax-target="ListViewForm,Breadcrumbs">%s</a>',
$parentID,
_t('GridField.LEVELUP', 'Level up' )
),
'UpLink' => sprintf('<a%s>%s</a>', $attrsStr, _t('GridField.LEVELUP', 'Level up'))
));
return array(
'before' => $forTemplate->renderWith('GridFieldLevelup'),
//'header' => $forTemplate->renderWith('GridFieldLevelup_Row'),
);
}
}
public function setAttributes($attrs) {
$this->attributes = $attrs;
return $this;
}
public function getAttributes() {
return $this->attributes;
}
public function setLinkSpec($link) {
$this->linkSpec = $link;
return $this;
}
public function getLinkSpec() {
return $this->linkSpec;
}
}
?>