silverstripe-subsites/code/RelatedPageLink.php

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2010-03-01 04:01:50 +01:00
<?php
/**
* This DataObject only exists to provide a link between related pages.
* Unfortunately, there is no way to provide a decent GUI otherwise.
*/
class RelatedPageLink extends DataObject {
static $db = array(
);
static $has_one = array(
'RelatedPage' => 'SiteTree',
// Note: The *last* matching has_one relation to SiteTree is used as the link field for the
// has_many (RelatedPages) on SiteTree. This isn't obvious and the framework could be
// extended in a future version to allow for explicit selection of a has_one relation to
// bind a has_many to.
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'MasterPage' => 'SiteTree',
);
function getCMSFields() {
$subsites = Subsite::getSubsitesForMember();
if(!$subsites) $subsites = new DataObjectSet();
if(Subsite::hasMainSitePermission()) {
$subsites->push(new ArrayData(array('Title' => 'Main site', 'ID' => 0)));
}
if($subsites->Count()) {
$subsiteSelectionField = new DropdownField(
"CopyContentFromID_SubsiteID",
"Subsite",
$subsites->toDropdownMap('ID', 'Title'),
($this->CopyContentFromID) ? $this->CopyContentFrom()->SubsiteID : Session::get('SubsiteID')
);
}
// Setup the linking to the original page.
$pageSelectionField = new SubsitesTreeDropdownField(
"RelatedPageID",
_t('VirtualPage.CHOOSE', "Choose a page to link to"),
"SiteTree",
"ID",
"MenuTitle"
);
if(Controller::curr()->getRequest()) {
$subsiteID = Controller::curr()->getRequest()->getVar('TreeDropdownField_ComplexTableField_Popup_AddForm_RelatedPageID_SubsiteID');
$pageSelectionField->setSubsiteID($subsiteID);
}
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$pageSelectionField->setFilterFunction(create_function('$item', 'return $item->ClassName != "VirtualPage";'));
if($subsites->Count()) {
$fields = new FieldSet(
$subsiteSelectionField,
$pageSelectionField
);
} else {
$fields = new FieldSet(
$pageSelectionField
);
}
return $fields;
}
function RelatedPageAdminLink() {
return '<a href="admin/show/' . $this->RelatedPage()->ID . '" class="externallink" >' . Convert::raw2xml($this->RelatedPage()->Title) . '</a>';
}
}
?>