silverstripe-dms/code/DMSSiteTreeExtension.php

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PHP
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<?php
class DMSSiteTreeExtension extends DataExtension {
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private static $belongs_many_many = array(
'Documents' => 'DMSDocument'
);
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private static $noDocumentsList = array();
private static $showDocumentsList = array();
/**
* Do not show the documents tab on the array of pages set here
* @static
* @param $mixed Array of page types to not show the Documents tab on
*/
static function no_documents_tab($array = array()) {
if (empty($array)) return;
if (is_array($array)) {
self::$noDocumentsList = $array;
} else {
self::$noDocumentsList = array($array);
}
}
/**
* Only show the documents tab on the list of pages set here. Any pages set in the no_documents_tab array will
* still not be shown. If this isn't called, or if it is called with an empty array, all pages will get Document tabs.
* @static
* @param $array Array of page types to show the Documents tab on
*/
static function show_documents_tab($array = array()) {
if (empty($array)) return;
if (is_array($array)) {
self::$showDocumentsList = $array;
} else {
self::$showDocumentsList = array($array);
}
}
function updateCMSFields(FieldList $fields){
//prevent certain pages from having a Document tab in the CMS
if (in_array($this->owner->ClassName,self::$noDocumentsList)) return;
if (count(self::$showDocumentsList) > 0 && !in_array($this->owner->ClassName,self::$showDocumentsList)) return;
//javascript to customize the grid field for the DMS document (overriding entwine in FRAMEWORK_DIR.'/javascript/GridField.js'
Requirements::javascript(DMS_DIR.'/javascript/DMSGridField.js');
Requirements::css(DMS_DIR.'/css/DMSMainCMS.css');
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//javascript for the link editor pop-up in TinyMCE
Requirements::javascript(DMS_DIR."/javascript/DocumentHtmlEditorFieldToolbar.js");
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// Document listing
$gridFieldConfig = GridFieldConfig::create()->addComponents(
new GridFieldToolbarHeader(),
new GridFieldFilterHeader(),
//new GridFieldSortableHeader(),
new GridFieldOrderableRows('DocumentSort'),
new GridFieldDataColumns(),
new GridFieldEditButton(),
new DMSGridFieldDeleteAction(), //special delete dialog to handle custom behaviour of unlinking and deleting
new GridFieldDetailForm()
//GridFieldLevelup::create($folder->ID)->setLinkSpec('admin/assets/show/%d')
);
if(class_exists('GridFieldPaginatorWithShowAll')){
$paginatorComponent = new GridFieldPaginatorWithShowAll(15);
}else{
$paginatorComponent = new GridFieldPaginator(15);
}
$gridFieldConfig->addComponent($paginatorComponent);
if(class_exists('GridFieldSortableRows')) {
$sortableComponent = new GridFieldSortableRows('DocumentSort');
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//setUsePagenation method removed from newer version of SortableGridField.
if(method_exists($sortableComponent,'setUsePagination')){
$sortableComponent->setUsePagination(false)->setForceRedraw(true);
}
$gridFieldConfig->addComponent($sortableComponent);
}
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// HACK: Create a singleton of DMSDocument to ensure extensions are applied before we try to get display fields.
singleton('DMSDocument');
$gridFieldConfig->getComponentByType('GridFieldDataColumns')->setDisplayFields(Config::inst()->get('DMSDocument', 'display_fields'))
->setFieldCasting(array('LastChanged'=>"Datetime->Ago"))
->setFieldFormatting(array('FilenameWithoutID'=>'<a target=\'_blank\' class=\'file-url\' href=\'$Link\'>$FilenameWithoutID</a>'));
//override delete functionality with this class
$gridFieldConfig->getComponentByType('GridFieldDetailForm')->setItemRequestClass('DMSGridFieldDetailForm_ItemRequest');
$gridField = GridField::create(
'Documents',
false,
$this->owner->Documents()->Sort('DocumentSort'),
$gridFieldConfig
);
$gridField->addExtraClass('documents');
$uploadBtn = new LiteralField(
'UploadButton',
sprintf(
'<a class="ss-ui-button ss-ui-action-constructive cms-panel-link" data-pjax-target="Content" data-icon="add" href="%s">%s</a>',
Controller::join_links(singleton('DMSDocumentAddController')->Link(), '?ID=' . $this->owner->ID),
"Add Documents"
)
);
$fields->addFieldsToTab(
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'Root.Documents (' . $this->owner->Documents()->Count() . ')',
array(
$uploadBtn,
$gridField
)
);
}
/**
* Overloaded to enforce sorting
*/
function Documents() {
return $this->owner->getManyManyComponents('Documents')->sort('DocumentSort');
}
function onBeforeDelete() {
if(Versioned::current_stage() == 'Live') {
$existsOnOtherStage = !$this->owner->getIsDeletedFromStage();
} else {
$existsOnOtherStage = $this->owner->getExistsOnLive();
}
// Only remove if record doesn't still exist on live stage.
if(!$existsOnOtherStage) {
$dmsDocuments = $this->owner->Documents();
foreach($dmsDocuments as $document) {
//if the document is only associated with one page, i.e. only associated with this page
if ($document->Pages()->Count() <= 1) {
//delete the document before deleting this page
$document->delete();
}
}
}
}
function onBeforePublish() {
$embargoedDocuments = $this->owner->Documents()->filter('EmbargoedUntilPublished',true);
if ($embargoedDocuments->Count() > 0) {
foreach($embargoedDocuments as $doc) {
$doc->EmbargoedUntilPublished = false;
$doc->write();
}
}
}
function getTitleWithNumberOfDocuments() {
return $this->owner->Title . ' (' . $this->owner->Documents()->Count() . ')';
}
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}