90 lines
2.1 KiB
PHP
90 lines
2.1 KiB
PHP
<?php
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use SilverStripe\ORM\DataObject;
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/**
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* Adds a "level up" link to a GridField table, which is useful when viewing
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* hierarchical data. Requires the managed record to have a "getParent()"
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* method or has_one relationship called "Parent".
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*
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* @package forms
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* @subpackage fields-gridfield
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*/
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class GridFieldLevelup extends Object implements GridField_HTMLProvider {
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/**
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* @var integer - the record id of the level up to
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*/
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protected $currentID = null;
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/**
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* sprintf() spec for link to link to parent.
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* Only supports one variable replacement - the parent ID.
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* @var string
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*/
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protected $linkSpec = '';
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/**
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* @var array Extra attributes for the link
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*/
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protected $attributes = array();
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/**
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*
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* @param integer $currentID - The ID of the current item; this button will find that item's parent
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*/
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public function __construct($currentID) {
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if($currentID && is_numeric($currentID)) $this->currentID = $currentID;
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}
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public function getHTMLFragments($gridField) {
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$modelClass = $gridField->getModelClass();
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$parentID = 0;
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if($this->currentID) {
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$modelObj = DataObject::get_by_id($modelClass, $this->currentID);
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if($modelObj->hasMethod('getParent')) {
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$parent = $modelObj->getParent();
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} elseif($modelObj->ParentID) {
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$parent = $modelObj->Parent();
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}
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if($parent) $parentID = $parent->ID;
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// Attributes
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$attrs = array_merge($this->attributes, array(
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'href' => sprintf($this->linkSpec, $parentID),
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'class' => 'cms-panel-link ss-ui-button font-icon-level-up no-text grid-levelup'
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));
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$attrsStr = '';
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foreach($attrs as $k => $v) $attrsStr .= " $k=\"" . Convert::raw2att($v) . "\"";
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$forTemplate = new ArrayData(array(
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'UpLink' => sprintf('<a%s></a>', $attrsStr)
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));
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return array(
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'before' => $forTemplate->renderWith('GridFieldLevelup'),
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);
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}
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}
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public function setAttributes($attrs) {
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$this->attributes = $attrs;
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return $this;
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}
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public function getAttributes() {
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return $this->attributes;
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}
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public function setLinkSpec($link) {
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$this->linkSpec = $link;
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return $this;
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}
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public function getLinkSpec() {
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return $this->linkSpec;
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}
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}
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