Attachments Macro

author	version	line-number	content
		1	{{velocity output="false"}}
		2	#if ("$!request.xpage" == 'plain')
		3	$response.setContentType('application/json')
		4	#end
		5	##
		6	## Offset = item # at which to start displaying data
		7	## -------------------------------
		8	#set ($offset = "$!request.offset")
		9	#if ($offset == '')
		10	#set ($offset = '1')
		11	#end
		12	#set ($offset = $mathtool.max($numbertool.integer($offset), 1))
		13	##
		14	## Limit = # of items to display
		15	## -------------------------------
		16	#set ($limit = "$!request.l")
		17	#if ($limit == '')
		18	#set ($limit = "$!request.limit")
		19	#end
		20	#if ($limit == '')
		21	#set ($limit = '10')
		22	#end
		23	#set ($limit = $mathtool.max($numbertool.integer($limit), 1))
		24	##
		25	## Document parameter
		26	## -------------------------------
		27	#set ($aDocFullName = "$!request.document")
		28	#if ($aDocFullName != '' && $xwiki.exists($aDocFullName))
		29	#set ($aDoc = $xwiki.getDocument($aDocFullName))
		30	#end
		31	##
		32	## Sort parameter
		33	## -------------------------------
		34	#set ($sortColumn = "$!request.sort.toLowerCase()")
		35	##
		36	## Filter by name
		37	##
		38	#set ($filterByName = false)
		39	#set ($namePattern = '')
		40	#if ("$!request.name" != '')
		41	#set ($filterByName = true)
		42	#set ($namePattern = "$!request.name.toLowerCase()")
		43	#end
		44	##
		45	## Macros
		46	## -------------------------------
		47	#macro (getOrderedAttachmentNameList)
		48	#set ($attachmentComposedNameList = [])
		49	#set ($orderedAttachmentComposedNameList = [])
		50	#foreach ($attach in $aDoc.getAttachmentList())
		51	## Filter by name
		52	#if (! $filterByName \|\| ($attach.filename.toLowerCase().indexOf($namePattern) >= 0))
		53	#set ($prefix = $attach.author)
		54	#if ($sortColumn == 'date')
		55	#set ($prefix = $datetool.format('yyyyMMddHHmmss', $attach.date))
		56	#elseif ($sortColumn == 'size')
		57	#set ($fileSize = "$!attach.filesize")
		58	#set ($maxFileSize = "100000000000")
		59	#set ($index = $maxFileSize.length() - $fileSize.length())
		60	#set ($prefix = $maxFileSize.substring(0, $index) + $fileSize)
		61	#end
		62	#set ($attachComposedName = $prefix + '\|' + $attach.filename)
		63	#set ($discard = $attachmentComposedNameList.add($attachComposedName))
		64	#end
		65	#end
		66	#set ($orderedAttachmentComposedNameList = $sorttool.sort($attachmentComposedNameList))
		67	#foreach ($attachComposedName in $orderedAttachmentComposedNameList)
		68	#set ($authorLastIndex = $attachComposedName.indexOf('\|') + 1)
		69	#set ($attachName = $attachComposedName.substring($authorLastIndex))
		70	#set ($discard = $orderedAttachmentNameList.add($attachName))
		71	#end
		72	#end
		73	## Get ordered attachments list
		74	## -------------------------------
		75	#set ($orderedAttachmentNameList = [])
		76	#set ($attachmentList = $aDoc.getAttachmentList())
		77	#if ($aDoc && $attachmentList.size() > 0)
		78	#if ($sortColumn == 'name')
		79	#foreach ($attach in $attachmentList)
		80	## Filter by name
		81	#if (! $filterByName \|\| ($attach.filename.toLowerCase().indexOf($namePattern) >= 0))
		82	#set ($discard = $orderedAttachmentNameList.add($attach.filename))
		83	#end
		84	#end
		85	#set ($orderedAttachmentNameList = $sorttool.sort($orderedAttachmentNameList))
		86	#elseif ($sortColumn == 'type')
		87	#set ($attachmentReversedNameList = [])
		88	#set ($orderedAttachmentReversedNameList = [])
		89	#foreach ($attach in $attachmentList)
		90	#set ($attachName = $attach.filename)
		91	## Filter by name
		92	#if (! $filterByName \|\| ($attach.filename.toLowerCase().indexOf($namePattern) >= 0))
		93	#set ($extensionIndex = $attachName.lastIndexOf('.'))
		94	#set ($extension = $attachName.substring($extensionIndex))
		95	#set ($fileName = $attachName.substring(0, $extensionIndex))
		96	#set ($attachReversedName = $extension + '\|' + $fileName)
		97	#set ($discard = $attachmentReversedNameList.add($attachReversedName))
		98	#end
		99	#end
		100	#set ($orderedAttachmentReversedNameList = $sorttool.sort($attachmentReversedNameList))
		101	#foreach ($attachReversedName in $orderedAttachmentReversedNameList)
		102	#set ($extensionLastIndex = $attachReversedName.indexOf('\|'))
		103	#set ($nameIndex = $extensionLastIndex + 1)
		104	#set ($attachName = $attachReversedName.substring($nameIndex) + $attachReversedName.substring(0, $extensionLastIndex))
		105	#set ($discard = $orderedAttachmentNameList.add($attachName))
		106	#end
		107	#else
		108	#getOrderedAttachmentNameList()
		109	#end
		110	#end
		111	##
		112	## Determine the attachments sub list to display.
		113	## -------------------------------
		114	#if ($xwiki.hasAccessLevel('view', $context.user, $aDoc.getPrefixedFullName()))
		115	#set ($totalRows = $orderedAttachmentNameList.size())
		116	#set ($returnedRows = $mathtool.min($limit, $totalRows))
		117	#if ($offset + $returnedRows > $totalRows)
		118	#set ($returnedRows = $totalRows - $offset + 1)
		119	#end
		120	#if ($request.dir == 'desc')
		121	#set ($discard = $collectionstool.reverse($orderedAttachmentNameList))
		122	#end
		123	#set ($start = $offset - 1)
		124	#set ($end = $start + $returnedRows)
		125	#set ($attachNames = $orderedAttachmentNameList.subList($start, $end))
		126	#else
		127	#set ($totalRows = 0)
		128	#set ($returnedRows = 0)
		129	#set ($attachNames = [])
		130	#end
		131	{{/velocity}}
		132
		133	{{velocity}}
		134	##
		135	## JSON
		136	## -------------------------------
		137	#set ($json = {
		138	"totalrows": $totalRows,
		139	"matchingtags": {},
		140	"tags": [],
		141	"returnedrows": $returnedRows,
		142	"offset": $offset,
		143	"reqNo": $numbertool.integer($request.reqNo),
		144	"rows": []
		145	})
		146	## $type is required by the user display.
		147	#set ($type = 'view')
		148	#foreach ($attachName in $attachNames)
		149	#set ($attach = $aDoc.getAttachment($attachName))
		150	## $value is required by the user display
		151	#set ($value = $attach.author)
		152	#set ($discard = $json.rows.add({
		153	"name": $attachName,
		154	"name_url": $aDoc.getAttachmentURL($attachName),
		155	"type": "#mimetypeimg($attach.mimeType.toLowerCase() $attach.filename.toLowerCase())",
		156	"size": "#dynamicsize($attach.filesize)",
		157	"author": "#template('displayer_users.vm')",
		158	"date": "$!xwiki.formatDate($attach.date)",
		159	"doc_viewable": true
		160	}))
		161	#end
		162	$jsontool.serialize($json)
		163	{{/velocity}}

Wiki source code of Attachments Macro