genericDigilib="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/"
from OFS.Folder import Folder
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
from Products.PageTemplates.PageTemplateFile import PageTemplateFile
from AccessControl import ClassSecurityInfo
from Globals import package_home
from Ft.Xml.Domlette import NonvalidatingReader
from Ft.Xml.Domlette import PrettyPrint, Print
from Ft.Xml import EMPTY_NAMESPACE
import Ft.Xml.XPath
import os.path
import cgi
import urllib
def getTextFromNode(nodename):
nodelist=nodename.childNodes
rc = ""
for node in nodelist:
if node.nodeType == node.TEXT_NODE:
rc = rc + node.data
return rc
import socket
def urlopen(url):
"""urlopen mit timeout"""
socket.setdefaulttimeout(2)
ret=urllib.urlopen(url)
socket.setdefaulttimeout(5)
return ret
def getParamFromDigilib(path,param):
"""gibt param von dlInfo aus"""
imageUrl=genericDigilib+"/dlInfo-xml.jsp?fn="+path
try:
dom = NonvalidatingReader.parseUri(imageUrl)
except:
return None
params=dom.xpath("//document-parameters/parameter[@name='%s']/@value"%param)
if params:
return params[0].value
def parseUrlTextTool(url):
"""parse index meta"""
try:
dom = NonvalidatingReader.parseUri(url)
except:
zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2])
return (None,None,None)
archivePaths=dom.xpath("//resource/archive-path")
if archivePaths and (len(archivePaths)>0):
archivePath=getTextFromNode(archivePaths[0])
else:
archivePath=None
images=dom.xpath("//texttool/image")
if images and (len(images)>0):
image=getTextFromNode(images[0])
else:
image=None
if image and archivePath:
image=os.path.join(archivePath,image)
image=image.replace("/mpiwg/online",'')
pt=getParamFromDigilib(image,'pt')
else:
image=None
viewerUrls=dom.xpath("//texttool/digiliburlprefix")
if viewerUrls and (len(viewerUrls)>0):
viewerUrl=getTextFromNode(viewerUrls[0])
else:
viewerUrl=None
textUrls=dom.xpath("//texttool/text")
if textUrls and (len(textUrls)>0):
textUrl=getTextFromNode(textUrls[0])
else:
textUrl=None
return viewerUrl,(image,pt),textUrl
class documentViewer(ZopePageTemplate):
"""document viewer"""
meta_type="Document viewer"
security=ClassSecurityInfo()
manage_options=ZopePageTemplate.manage_options+(
{'label':'main config','action':'changeDocumentViewerForm'},
)
_default_content_fn = os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')
def __init__(self,id,imageViewerUrl,title=""):
"""init document viewer"""
self.id=id
self.title=title
self.imageViewerUrl=imageViewerUrl
security.declareProtected('View management screens','changeDocumentViewerForm')
def changeDocumentViewerForm(self):
"""change it"""
pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeDocumentViewer.zpt')).__of__(self)
return pt()
def changeDocumentViewer(self,imageViewerUrl,title="",RESPONSE=None):
"""init document viewer"""
self.title=title
self.imageViewerUrl=imageViewerUrl
if RESPONSE is not None:
RESPONSE.redirect('manage_main')
def imageLink(self,nr):
"""link hinter den images"""
paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])
params={}
for x in paramsTmp.iteritems():
params[x[0]]=x[1][0]
params['pn']=nr
newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
return newUrl
def thumbruler(self,cols,rows,start,maximum):
"""ruler for thumbs"""
ret=""
paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])
params={}
for x in paramsTmp.iteritems():
if not x[0]=="start":
params[x[0]]=x[1][0]
newUrlSelect=self.REQUEST['URL']+"?"+urllib.urlencode(params)
if start>0:
newStart=max(start-cols*rows,0)
params['start']=newStart
newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
ret+="""<a href="%s">prev</a>"""%newUrl
ret+="""<select onChange="location.href='%s&start='+this.options[this.selectedIndex].value" """%newUrlSelect
nr,rest=divmod(maximum,cols*rows)
if rest > 0:
nr+=1
for i in range(nr):
nr=i*cols*rows
if (start >= nr) and (start < nr+cols*rows):
ret+="""<option value="%s" selected>%s</option>"""%(nr,nr)
else:
ret+="""<option value="%s">%s</option>"""%(nr,nr)
ret+="</select>"
if start<maximum:
newStart=min(start+cols*rows,maximum)
params['start']=newStart
newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
ret+="""<a href="%s">next</a>"""%newUrl
return ret
def textToolThumb(self,url,start=0):
"""understands the texttool format
@param url: url to index.meta with texttool tag
"""
(viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%imagepath[0]
pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','thumbs.zpt')).__of__(self)
return pt(imageUrl=imageUrl,pt=imagepath[1],start=start)
def text(self,mode,url,pn):
"""give text"""
if mode=="texttool": #index.meta with texttool information
(viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
print textpath
try:
dom = NonvalidatingReader.parseUri(textpath)
except:
return None
list=[]
nodes=dom.xpath("//pb")
node=nodes[int(pn)-1]
p=node
while p.tagName!="p":
p=p.parentNode
endNode=nodes[int(pn)]
e=endNode
while e.tagName!="p":
e=e.parentNode
next=node.parentNode
#sammle s
while next and (next!=endNode.parentNode):
list.append(next)
next=next.nextSibling
list.append(endNode.parentNode)
if p==e:# beide im selben paragraphen
else:
next=p
while next!=e:
print next,e
list.append(next)
next=next.nextSibling
for x in list:
PrettyPrint(x)
return list
def image(self,mode,url,pn):
"""give image out"""
if mode=="texttool": #index.meta with texttool information
(viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
url=viewerUrl+"pn=%s&fn=%s"%(pn,imagepath[0])
ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url
return url
def thumbs(self,mode,url,start):
"""give thumbs out"""
if mode=="texttool": #index.meta with texttool information
return self.textToolThumb(url,int(start))
security.declareProtected('View','index_html')
def index_html(self,mode,url,start=0,pn=0):
'''
view it
@param mode: defines which type of document is behind url
@param url: url which contains display information
'''
pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')).__of__(self)
return pt(mode=mode,url=url,start=start,pn=pn)
# security.declareProtected('View management screens','renameImageForm')
def manage_AddDocumentViewerForm(self):
"""add the viewer form"""
pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','addDocumentViewer.zpt')).__of__(self)
return pt()
def manage_AddDocumentViewer(self,id,imageViewerUrl="",title="",RESPONSE=None):
"""add the viewer"""
newObj=documentViewer(id,imageViewerUrl,title)
self._setObject(id,newObj)
if RESPONSE is not None:
RESPONSE.redirect('manage_main')
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