Attachments Macro

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