ENHANCEMENT: Show list of documents when page is selected in dropdown

code/cms/DMSDocumentAddController.php

@@ -196,6 +196,23 @@ class DMSDocumentAddController extends LeftAndMain {
 
 		return json_encode($return);
 	}
+
+	public function documentlist() {
+		$page = DataObject::get_by_id('SiteTree', (int) $_GET['pageID']);
+		if($page && $page->Documents()) {
+			$list = '<ul>';
+
+			foreach($page->Documents() as $document) {
+				$list .= '<li>' . $document->ID . ' - ' . Convert::raw2xml($document->Title) . '</li>';
+			}
+
+			$list .= '</ul>';
+
+			return $list;
+		} else {
+			return '<p>There are no documents attached to the selected page.</p>';
+		}
+	}
 }
 
 

javascript/DMSDocumentAddExistingField.js

@@ -40,5 +40,11 @@
 			}
 		});
 
+		$('.document-add-existing input[name=PageSelector]').entwine({
+			onchange: function(event) {
+				$(this).closest('.document-add-existing').find('.document-list').load('admin/pages/adddocument/documentlist?pageID=' + $(this).val());
+			}
+		});
+
 	});
 }(jQuery));

templates/DMSDocumentAddExistingField.ss

@@ -12,6 +12,10 @@
 		<span>or Add from page</span>
 		$fieldByName(PageSelector)
 
+		<div class="document-list">
+
+		</div>
+
 	</div>
 
 	<div class="ss-assetuploadfield">