silverstripe-dms/code/cms/DMSDocumentAddExistingField.php

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<?php
class DMSDocumentAddExistingField extends CompositeField {
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public $useFieldContext = true;
function __construct($name, $title = null) {
$this->name = $name;
$this->title = ($title === null) ? $name : $title;
parent::__construct(new TreeDropdownField('PageSelector', 'Add from another page', 'SiteTree', 'ID', 'TitleWithNumberOfDocuments'));
}
/**
* Force a record to be used as "Parent" for uploaded Files (eg a Page with a has_one to File)
* @param DataObject $record
*/
public function setRecord($record) {
$this->record = $record;
return $this;
}
/**
* Get the record to use as "Parent" for uploaded Files (eg a Page with a has_one to File) If none is set, it will use Form->getRecord() or Form->Controller()->data()
* @return DataObject
*/
public function getRecord() {
if (!$this->record && $this->form) {
if ($this->form->getRecord() && is_a($this->form->getRecord(), 'DataObject')) {
$this->record = $this->form->getRecord();
} elseif ($this->form->Controller() && $this->form->Controller()->hasMethod('data')
&& $this->form->Controller()->data() && is_a($this->form->Controller()->data(), 'DataObject')) {
$this->record = $this->form->Controller()->data();
}
}
return $this->record;
}
public function FieldHolder($properties = array()) {
return $this->Field($properties);
}
public function Field($properties = array()) {
Requirements::javascript(DMS_DIR.'/javascript/DMSDocumentAddExistingField.js');
Requirements::javascript(DMS_DIR."/javascript/DocumentHtmlEditorFieldToolbar.js");
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return $this->renderWith('DMSDocumentAddExistingField');
}
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/**
* Sets or unsets the use of the "field" class in the template. The "field" class adds Javascript behaviour
* that causes unwelcome hiding side-effects when this Field is used within the link editor pop-up
*/
public function setUseFieldClass($use = false) {
$this->useFieldContext = $use;
}
}