--- documentViewer/documentViewer.py 2006/04/06 17:13:43 1.3
+++ documentViewer/documentViewer.py 2006/04/10 10:13:01 1.5
@@ -18,6 +18,14 @@ import cgi
import urllib
import zLOG
+def getInt(number, default=0):
+ """returns always an int (0 in case of problems)"""
+ try:
+ return int(number)
+ except:
+ return default
+
+
def getTextFromNode(nodename):
nodelist=nodename.childNodes
rc = ""
@@ -79,20 +87,23 @@ class documentViewer(Folder):
changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
- def __init__(self,id,imageViewerUrl,title="",digilibBaseUrl=None):
+ def __init__(self,id,imageViewerUrl,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10):
"""init document viewer"""
self.id=id
self.title=title
self.imageViewerUrl=imageViewerUrl
- self.digilibBaseUrl = digilibBaseUrl
- if not self.digilibBaseUrl:
+ if not digilibBaseUrl:
self.digilibBaseUrl = self.findDigilibUrl()
+ else:
+ self.digilibBaseUrl = digilibBaseUrl
+ self.thumbcols = thumbcols
+ self.thumbrows = thumbrows
# add template folder so we can always use template.something
self.manage_addFolder('template')
security.declareProtected('View','index_html')
- def index_html(self,mode,url,start=0,pn=1):
+ def index_html(self,mode,url,start=None,pn=1):
'''
view it
@param mode: defines which type of document is behind url
@@ -110,73 +121,32 @@ class documentViewer(Folder):
if not self.digilibBaseUrl:
self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
- print "dlbaseurl:", self.digilibBaseUrl
-
- docinfo = self.getDocinfo(mode=mode, url=url)
- pageinfo = self.getPageinfo(start=start,current=pn)
+ docinfo = self.getDocinfo(mode=mode,url=url)
+ pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
pt = getattr(self.template, 'viewer_main')
return pt(docinfo=docinfo,pageinfo=pageinfo)
- 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 getLink(self,param=None,val=None):
+ """link to documentviewer with parameter param set to val"""
+ params=cgi.parse_qs(self.REQUEST['QUERY_STRING'])
+ if param is not None:
+ if val is None and params.has_key(param):
+ del params[param]
+ else:
+ params[param] = val
+ url=self.REQUEST['URL']+"?"+urllib.urlencode(params, doseq=True)
+ return url
+
+
def getStyle(self, idx, selected, style=""):
- """returns a string with the given style + 'sel' if path == selected."""
+ """returns a string with the given style and append 'sel' if path == selected."""
#zLOG.LOG("documentViewer (getstyle)", zLOG.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
if idx == selected:
return style + 'sel'
else:
return style
-
-
- 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+="""prev"""%newUrl
-
-
- ret+=""""
-
- if startnext"""%newUrl
-
- return ret
-
def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None):
@@ -186,7 +156,6 @@ class documentViewer(Folder):
if docinfo is None:
docinfo = {}
- metaData=self.metadata.main.meta.bib
if dom is None:
server="http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary/servlet/Texter?fn="
path="/".join(path.split("/")[0:-1])
@@ -196,17 +165,18 @@ class documentViewer(Folder):
except:
return docinfo
- type=dom.xpath("//bib/@type")
- if type and (len(type)>0):
- type=type[0].value
+ metaData=self.metadata.main.meta.bib
+ bibtype=dom.xpath("//bib/@type")
+ if bibtype and (len(bibtype)>0):
+ bibtype=bibtype[0].value
else:
- type="generic"
- type=type.replace("-"," ")# wrong typesiin index meta "-" instead of " "
- hash=metaData.generateMappingForType(type)
-
- docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%hash['author'][0])[0])
- docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%hash['title'][0])[0])
- docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%hash['year'][0])[0])
+ bibtype="generic"
+ bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
+ bibmap=metaData.generateMappingForType(bibtype)
+ if len(bibmap) > 0:
+ docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
+ docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
+ docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
return docinfo
@@ -242,7 +212,7 @@ class documentViewer(Folder):
image=image.replace("/mpiwg/online",'')
pt=getParamFromDigilib(image,'size')
docinfo['imagePath'] = image
- docinfo['numberOfPages'] = pt
+ docinfo['numPages'] = pt
viewerUrls=dom.xpath("//texttool/digiliburlprefix")
@@ -268,7 +238,7 @@ class documentViewer(Folder):
docinfo['imagePath'] = path
path=path.replace("/mpiwg/online","")
pt=getParamFromDigilib(path,'size')
- docinfo['numberOfPages'] = pt
+ docinfo['numPages'] = pt
imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%path
docinfo['imageURL'] = imageUrl
@@ -299,11 +269,28 @@ class documentViewer(Folder):
return docinfo
- def getPageinfo(self, start, current):
+ def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None):
"""returns pageinfo with the given parameters"""
pageinfo = {}
- pageinfo['start'] = start
+ current = getInt(current)
pageinfo['current'] = current
+ rows = int(rows or self.thumbrows)
+ pageinfo['rows'] = rows
+ cols = int(cols or self.thumbcols)
+ pageinfo['cols'] = cols
+ grpsize = cols * rows
+ pageinfo['groupsize'] = grpsize
+ start = getInt(start, default=(int(current / grpsize) * grpsize +1))
+ print "start3:", start
+ pageinfo['start'] = start
+ pageinfo['end'] = start + grpsize
+ if docinfo is not None:
+ np = int(docinfo['numPages'])
+ pageinfo['end'] = min(pageinfo['end'], np)
+ pageinfo['numgroups'] = int(np / grpsize)
+ if np % grpsize > 0:
+ pageinfo['numgroups'] += 1
+
return pageinfo
def text(self,mode,url,pn):
@@ -360,22 +347,6 @@ class documentViewer(Folder):
# return list
#
- def image(self,mode,url,pn):
- """give image out"""
- if mode=="texttool": #index.meta with texttool information
- (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
- if not viewerUrl:
- viewerUrl=self.imageViewerUrl
- url=viewerUrl+"pn=%s&fn=%s"%(pn,imagepath[0])
- ret=""""""%url
- return url
- elif mode=="imagepath":
- url=url.replace("/mpiwg/online","")
- url=self.imageViewerUrl+"pn=%s&fn=%s"%(pn,url)
- ret=""""""%url
- return url
-
-
def findDigilibUrl(self):
"""try to get the digilib URL from zogilib"""
url = self.imageViewerUrl[:-1] + "/getScalerUrl"
@@ -385,11 +356,13 @@ class documentViewer(Folder):
except:
return None
- def changeDocumentViewer(self,imageViewerUrl,title="",digilibBaseUrl=None,RESPONSE=None):
+ def changeDocumentViewer(self,imageViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,RESPONSE=None):
"""init document viewer"""
self.title=title
self.imageViewerUrl=imageViewerUrl
self.digilibBaseUrl = digilibBaseUrl
+ self.thumbrows = thumbrows
+ self.thumbcols = thumbcols
if RESPONSE is not None:
RESPONSE.redirect('manage_main')