version 1.1, 2005/12/18 12:35:02
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version 1.8, 2006/04/11 17:27:57
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genericDigilib="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/" |
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from OFS.Folder import Folder |
from OFS.Folder import Folder |
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate |
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate |
from Products.PageTemplates.PageTemplateFile import PageTemplateFile |
from Products.PageTemplates.PageTemplateFile import PageTemplateFile |
from AccessControl import ClassSecurityInfo |
from AccessControl import ClassSecurityInfo |
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from AccessControl import getSecurityManager |
from Globals import package_home |
from Globals import package_home |
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from Ft.Xml.Domlette import NonvalidatingReader |
from Ft.Xml.Domlette import NonvalidatingReader |
Line 14 from Ft.Xml import EMPTY_NAMESPACE
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Line 12 from Ft.Xml import EMPTY_NAMESPACE
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import Ft.Xml.XPath |
import Ft.Xml.XPath |
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import os.path |
import os.path |
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import sys |
import cgi |
import cgi |
import urllib |
import urllib |
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import zLOG |
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def getInt(number, default=0): |
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"""returns always an int (0 in case of problems)""" |
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try: |
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return int(number) |
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except: |
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return default |
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def getTextFromNode(nodename): |
def getTextFromNode(nodename): |
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if nodename is None: |
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return "" |
nodelist=nodename.childNodes |
nodelist=nodename.childNodes |
rc = "" |
rc = "" |
for node in nodelist: |
for node in nodelist: |
Line 27 def getTextFromNode(nodename):
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Line 37 def getTextFromNode(nodename):
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import socket |
import socket |
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def urlopen(url): |
def urlopen(url,timeout=2): |
"""urlopen mit timeout""" |
"""urlopen mit timeout""" |
socket.setdefaulttimeout(2) |
socket.setdefaulttimeout(timeout) |
ret=urllib.urlopen(url) |
ret=urllib.urlopen(url) |
socket.setdefaulttimeout(5) |
socket.setdefaulttimeout(5) |
return ret |
return ret |
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def getParamFromDigilib(path,param): |
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## |
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## documentViewer class |
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## |
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class documentViewer(Folder): |
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"""document viewer""" |
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meta_type="Document viewer" |
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security=ClassSecurityInfo() |
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manage_options=Folder.manage_options+( |
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{'label':'main config','action':'changeDocumentViewerForm'}, |
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) |
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# templates and forms |
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viewer_main = PageTemplateFile('zpt/viewer_main', globals()) |
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thumbs_main = PageTemplateFile('zpt/thumbs_main', globals()) |
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image_main = PageTemplateFile('zpt/image_main', globals()) |
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head_main = PageTemplateFile('zpt/head_main', globals()) |
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docuviewer_css = PageTemplateFile('css/docuviewer.css', globals()) |
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security.declareProtected('View management screens','changeDocumentViewerForm') |
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changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals()) |
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def __init__(self,id,imageViewerUrl,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10,authgroups="mpiwg"): |
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"""init document viewer""" |
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self.id=id |
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self.title=title |
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self.imageViewerUrl=imageViewerUrl |
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if not digilibBaseUrl: |
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self.digilibBaseUrl = self.findDigilibUrl() |
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else: |
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self.digilibBaseUrl = digilibBaseUrl |
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self.thumbcols = thumbcols |
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self.thumbrows = thumbrows |
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# authgroups is list of authorized groups (delimited by ,) |
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self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
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# add template folder so we can always use template.something |
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self.manage_addFolder('template') |
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security.declareProtected('View','index_html') |
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def index_html(self,mode,url,start=None,pn=1): |
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''' |
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view it |
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@param mode: defines which type of document is behind url |
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@param url: url which contains display information |
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''' |
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zLOG.LOG("documentViewer (index)", zLOG.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) |
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if not hasattr(self, 'template'): |
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# create template folder if it doesn't exist |
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self.manage_addFolder('template') |
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if not self.digilibBaseUrl: |
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self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" |
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docinfo = self.getDocinfo(mode=mode,url=url) |
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pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) |
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pt = getattr(self.template, 'viewer_main') |
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return pt(docinfo=docinfo,pageinfo=pageinfo) |
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def getLink(self,param=None,val=None): |
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"""link to documentviewer with parameter param set to val""" |
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params=cgi.parse_qs(self.REQUEST['QUERY_STRING']) |
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if param is not None: |
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if val is None: |
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if params.has_key(param): |
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del params[param] |
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else: |
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params[param] = [str(val)] |
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ps = "&".join(["%s=%s"%(k,urllib.quote(v[0])) for (k, v) in params.items()]) |
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url=self.REQUEST['URL']+"?"+ps |
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#url=self.REQUEST['URL']+"?"+urllib.urlencode(params, doseq=True) |
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return url |
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def getStyle(self, idx, selected, style=""): |
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"""returns a string with the given style and append 'sel' if path == selected.""" |
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#zLOG.LOG("documentViewer (getstyle)", zLOG.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style)) |
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if idx == selected: |
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return style + 'sel' |
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else: |
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return style |
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def accessOK(self, docinfo): |
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"""returns if access to the resource is granted""" |
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access = docinfo.get('accessType', None) |
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if access is None: |
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# no information - no access (not yet) |
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return True |
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elif access == 'free': |
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return True |
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print "access: ", access, " authgroups: ", self.authgroups |
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if access in self.authgroups: |
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# local access OK |
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user = getSecurityManager().getUser().getUserName() |
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print "user: ", user |
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return (user != "Anonymous User") |
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zLOG.LOG("documentViewer (accessOK)", zLOG.INFO, "unknown access group %s"%access) |
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return False |
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def getDirinfoFromDigilib(self,path,docinfo=None): |
"""gibt param von dlInfo aus""" |
"""gibt param von dlInfo aus""" |
imageUrl=genericDigilib+"/dlInfo-xml.jsp?fn="+path |
if docinfo is None: |
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docinfo = {} |
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imageUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path |
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zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.INFO, "dirInfo from %s"%(imageUrl)) |
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try: |
try: |
dom = NonvalidatingReader.parseUri(imageUrl) |
dom = NonvalidatingReader.parseUri(imageUrl) |
except: |
except: |
return None |
zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.ERROR, "error reading %s"%(imageUrl)) |
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raise IOError("Unable to get dirinfo from %s"%(imageUrl)) |
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params=dom.xpath("//document-parameters/parameter[@name='%s']/@value"%param) |
params=dom.xpath("//dir/size") |
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zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.INFO, "dirInfo:size"%params) |
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if params: |
if params: |
return params[0].value |
docinfo['numPages'] = int(getTextFromNode(params[0])) |
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else: |
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docinfo['numPages'] = 0 |
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return docinfo |
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def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None): |
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"""gets authorization info from the index.meta file at url or given by dom""" |
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zLOG.LOG("documentViewer (getbibinfofromindexmeta)", zLOG.INFO,"path: %s"%(path)) |
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access = None |
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if docinfo is None: |
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docinfo = {} |
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if dom is None: |
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server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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path="/".join(path.split("/")[0:-1]) |
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metaUrl=server+path+"/index.meta" |
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try: |
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dom = NonvalidatingReader.parseUri(metaUrl) |
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except: |
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return docinfo |
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def parseUrlTextTool(url): |
acctype = dom.xpath("//access-conditions/access/@type") |
"""parse index meta""" |
if acctype and (len(acctype)>0): |
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access=acctype[0].value |
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if access == 'group': |
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access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower() |
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docinfo['accessType'] = access |
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return docinfo |
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def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None): |
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"""gets bibliographical info from the index.meta file at url or given by dom""" |
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zLOG.LOG("documentViewer (getbibinfofromindexmeta)", zLOG.INFO,"path: %s"%(path)) |
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if docinfo is None: |
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docinfo = {} |
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if dom is None: |
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server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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path="/".join(path.split("/")[0:-1]) |
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metaUrl=server+path+"/index.meta" |
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try: |
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dom = NonvalidatingReader.parseUri(metaUrl) |
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except: |
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return docinfo |
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metaData=self.metadata.main.meta.bib |
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bibtype=dom.xpath("//bib/@type") |
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if bibtype and (len(bibtype)>0): |
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bibtype=bibtype[0].value |
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else: |
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bibtype="generic" |
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bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC) |
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bibmap=metaData.generateMappingForType(bibtype) |
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print "bibmap: ", bibmap, " for: ", bibtype |
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# if there is no mapping bibmap is empty (mapping sometimes has empty fields) |
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if len(bibmap) > 0 and len(bibmap['author'][0]) > 0: |
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docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0]) |
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docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0]) |
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docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0]) |
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return docinfo |
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def getDocinfoFromTextTool(self,url,dom=None,docinfo=None): |
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"""parse texttool tag in index meta""" |
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zLOG.LOG("documentViewer (getdocinfofromtexttool)", zLOG.INFO,"url: %s"%(url)) |
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if docinfo is None: |
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docinfo = {} |
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if dom is None: |
try: |
try: |
dom = NonvalidatingReader.parseUri(url) |
dom = NonvalidatingReader.parseUri(url) |
except: |
except: |
zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2]) |
zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2]) |
return (None,None,None) |
raise IOError("Unable to get texttool info from %s"%(url)) |
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archivePaths=dom.xpath("//resource/archive-path") |
archiveNames=dom.xpath("//resource/name") |
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if archiveNames and (len(archiveNames)>0): |
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archiveName=getTextFromNode(archiveNames[0]) |
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archivePaths=dom.xpath("//resource/archive-path") |
if archivePaths and (len(archivePaths)>0): |
if archivePaths and (len(archivePaths)>0): |
archivePath=getTextFromNode(archivePaths[0]) |
archivePath=getTextFromNode(archivePaths[0]) |
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# clean up archive path |
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if archivePath[0] != '/': |
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archivePath = '/' + archivePath |
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if not archivePath.endswith(archiveName): |
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archivePath += "/" + archiveName |
else: |
else: |
archivePath=None |
archivePath=None |
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images=dom.xpath("//texttool/image") |
images=dom.xpath("//texttool/image") |
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if images and (len(images)>0): |
if images and (len(images)>0): |
image=getTextFromNode(images[0]) |
image=getTextFromNode(images[0]) |
else: |
else: |
image=None |
image=None |
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if image and archivePath: |
if image and archivePath: |
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print "image: ", image, " archivepath: ", archivePath |
image=os.path.join(archivePath,image) |
image=os.path.join(archivePath,image) |
image=image.replace("/mpiwg/online",'') |
image=image.replace("/mpiwg/online",'') |
pt=getParamFromDigilib(image,'pt') |
docinfo=self.getDirinfoFromDigilib(image,docinfo=docinfo) |
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docinfo['imagePath'] = image |
else: |
docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+image |
image=None |
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viewerUrls=dom.xpath("//texttool/digiliburlprefix") |
viewerUrls=dom.xpath("//texttool/digiliburlprefix") |
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if viewerUrls and (len(viewerUrls)>0): |
if viewerUrls and (len(viewerUrls)>0): |
viewerUrl=getTextFromNode(viewerUrls[0]) |
viewerUrl=getTextFromNode(viewerUrls[0]) |
else: |
docinfo['viewerURL'] = viewerUrl |
viewerUrl=None |
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textUrls=dom.xpath("//texttool/text") |
textUrls=dom.xpath("//texttool/text") |
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if textUrls and (len(textUrls)>0): |
if textUrls and (len(textUrls)>0): |
textUrl=getTextFromNode(textUrls[0]) |
textUrl=getTextFromNode(textUrls[0]) |
else: |
docinfo['textURL'] = textUrl |
textUrl=None |
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return viewerUrl,(image,pt),textUrl |
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class documentViewer(ZopePageTemplate): |
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"""document viewer""" |
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meta_type="Document viewer" |
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security=ClassSecurityInfo() |
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manage_options=ZopePageTemplate.manage_options+( |
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{'label':'main config','action':'changeDocumentViewerForm'}, |
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) |
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_default_content_fn = os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt') |
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def __init__(self,id,imageViewerUrl,title=""): |
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"""init document viewer""" |
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self.id=id |
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self.title=title |
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self.imageViewerUrl=imageViewerUrl |
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security.declareProtected('View management screens','changeDocumentViewerForm') |
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def changeDocumentViewerForm(self): |
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"""change it""" |
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pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeDocumentViewer.zpt')).__of__(self) |
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return pt() |
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def changeDocumentViewer(self,imageViewerUrl,title="",RESPONSE=None): |
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"""init document viewer""" |
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self.title=title |
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self.imageViewerUrl=imageViewerUrl |
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if RESPONSE is not None: |
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RESPONSE.redirect('manage_main') |
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def imageLink(self,nr): |
docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) |
"""link hinter den images""" |
docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) |
paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING']) |
return docinfo |
params={} |
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for x in paramsTmp.iteritems(): |
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params[x[0]]=x[1][0] |
def getDocinfoFromImagePath(self,path,docinfo=None): |
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"""path ist the path to the images it assumes that the index.meta file is one level higher.""" |
params['pn']=nr |
zLOG.LOG("documentViewer (getdocinfofromimagepath)", zLOG.INFO,"path: %s"%(path)) |
newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params) |
if docinfo is None: |
return newUrl |
docinfo = {} |
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path=path.replace("/mpiwg/online","") |
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docinfo['imagePath'] = path |
def thumbruler(self,cols,rows,start,maximum): |
docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo) |
"""ruler for thumbs""" |
imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path |
ret="" |
docinfo['imageURL'] = imageUrl |
paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING']) |
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params={} |
docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo) |
for x in paramsTmp.iteritems(): |
docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo) |
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return docinfo |
if not x[0]=="start": |
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params[x[0]]=x[1][0] |
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def getDocinfo(self, mode, url): |
newUrlSelect=self.REQUEST['URL']+"?"+urllib.urlencode(params) |
"""returns docinfo depending on mode""" |
if start>0: |
zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"mode: %s, url: %s"%(mode,url)) |
newStart=max(start-cols*rows,0) |
# look for cached docinfo in session |
params['start']=newStart |
if self.REQUEST.SESSION.has_key('docinfo'): |
newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params) |
docinfo = self.REQUEST.SESSION['docinfo'] |
ret+="""<a href="%s">prev</a>"""%newUrl |
# check if its still current |
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if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url: |
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zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo in session: %s"%docinfo) |
ret+="""<select onChange="location.href='%s&start='+this.options[this.selectedIndex].value" """%newUrlSelect |
return docinfo |
nr,rest=divmod(maximum,cols*rows) |
# new docinfo |
if rest > 0: |
docinfo = {'mode': mode, 'url': url} |
nr+=1 |
if mode=="texttool": #index.meta with texttool information |
for i in range(nr): |
docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo) |
nr=i*cols*rows |
elif mode=="imagepath": |
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docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo) |
if (start >= nr) and (start < nr+cols*rows): |
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ret+="""<option value="%s" selected>%s</option>"""%(nr,nr) |
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else: |
else: |
ret+="""<option value="%s">%s</option>"""%(nr,nr) |
zLOG.LOG("documentViewer (getdocinfo)", zLOG.ERROR,"unknown mode!") |
ret+="</select>" |
zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo: %s"%docinfo) |
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self.REQUEST.SESSION['docinfo'] = docinfo |
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return docinfo |
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def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None): |
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"""returns pageinfo with the given parameters""" |
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pageinfo = {} |
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current = getInt(current) |
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pageinfo['current'] = current |
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rows = int(rows or self.thumbrows) |
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pageinfo['rows'] = rows |
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cols = int(cols or self.thumbcols) |
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pageinfo['cols'] = cols |
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grpsize = cols * rows |
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pageinfo['groupsize'] = grpsize |
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start = getInt(start, default=(int(current / grpsize) * grpsize +1)) |
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pageinfo['start'] = start |
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pageinfo['end'] = start + grpsize |
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if docinfo is not None: |
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np = int(docinfo['numPages']) |
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pageinfo['end'] = min(pageinfo['end'], np) |
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pageinfo['numgroups'] = int(np / grpsize) |
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if np % grpsize > 0: |
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pageinfo['numgroups'] += 1 |
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if start<maximum: |
return pageinfo |
newStart=min(start+cols*rows,maximum) |
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params['start']=newStart |
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newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params) |
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ret+="""<a href="%s">next</a>"""%newUrl |
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return ret |
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def textToolThumb(self,url,start=0): |
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"""understands the texttool format |
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@param url: url to index.meta with texttool tag |
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""" |
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(viewerUrl,imagepath,textpath)=parseUrlTextTool(url) |
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imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%imagepath[0] |
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pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','thumbs.zpt')).__of__(self) |
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return pt(imageUrl=imageUrl,pt=imagepath[1],start=start) |
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def text(self,mode,url,pn): |
def text(self,mode,url,pn): |
"""give text""" |
"""give text""" |
Line 234 class documentViewer(ZopePageTemplate):
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Line 400 class documentViewer(ZopePageTemplate):
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list.append(endNode.parentNode) |
list.append(endNode.parentNode) |
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if p==e:# beide im selben paragraphen |
if p==e:# beide im selben paragraphen |
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pass |
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# else: |
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# next=p |
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# while next!=e: |
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# print next,e |
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# list.append(next) |
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# next=next.nextSibling |
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# |
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# for x in list: |
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# PrettyPrint(x) |
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# |
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# return list |
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# |
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def findDigilibUrl(self): |
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"""try to get the digilib URL from zogilib""" |
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url = self.imageViewerUrl[:-1] + "/getScalerUrl" |
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try: |
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scaler = urlopen(url).read() |
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return scaler.replace("/servlet/Scaler?", "") |
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except: |
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return None |
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else: |
def changeDocumentViewer(self,imageViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None): |
next=p |
"""init document viewer""" |
while next!=e: |
self.title=title |
print next,e |
self.imageViewerUrl=imageViewerUrl |
list.append(next) |
self.digilibBaseUrl = digilibBaseUrl |
next=next.nextSibling |
self.thumbrows = thumbrows |
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self.thumbcols = thumbcols |
for x in list: |
self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
PrettyPrint(x) |
if RESPONSE is not None: |
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RESPONSE.redirect('manage_main') |
return list |
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def image(self,mode,url,pn): |
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"""give image out""" |
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if mode=="texttool": #index.meta with texttool information |
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(viewerUrl,imagepath,textpath)=parseUrlTextTool(url) |
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url=viewerUrl+"pn=%s&fn=%s"%(pn,imagepath[0]) |
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ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url |
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return url |
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def thumbs(self,mode,url,start): |
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"""give thumbs out""" |
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if mode=="texttool": #index.meta with texttool information |
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return self.textToolThumb(url,int(start)) |
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security.declareProtected('View','index_html') |
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def index_html(self,mode,url,start=0,pn=0): |
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''' |
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view it |
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@param mode: defines which type of document is behind url |
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@param url: url which contains display information |
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''' |
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pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')).__of__(self) |
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return pt(mode=mode,url=url,start=start,pn=pn) |
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Line 280 class documentViewer(ZopePageTemplate):
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Line 441 class documentViewer(ZopePageTemplate):
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def manage_AddDocumentViewerForm(self): |
def manage_AddDocumentViewerForm(self): |
"""add the viewer form""" |
"""add the viewer form""" |
pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','addDocumentViewer.zpt')).__of__(self) |
pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self) |
return pt() |
return pt() |
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def manage_AddDocumentViewer(self,id,imageViewerUrl="",title="",RESPONSE=None): |
def manage_AddDocumentViewer(self,id,imageViewerUrl="",title="",RESPONSE=None): |
Line 291 def manage_AddDocumentViewer(self,id,ima
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Line 452 def manage_AddDocumentViewer(self,id,ima
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if RESPONSE is not None: |
if RESPONSE is not None: |
RESPONSE.redirect('manage_main') |
RESPONSE.redirect('manage_main') |
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## |
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## DocumentViewerTemplate class |
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## |
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class DocumentViewerTemplate(ZopePageTemplate): |
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"""Template for document viewer""" |
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meta_type="DocumentViewer Template" |
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def manage_addDocumentViewerTemplateForm(self): |
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"""Form for adding""" |
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pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self) |
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return pt() |
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def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None, |
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REQUEST=None, submit=None): |
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"Add a Page Template with optional file content." |
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self._setObject(id, DocumentViewerTemplate(id)) |
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ob = getattr(self, id) |
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ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/viewer_main.zpt')).read(),None) |
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if title: |
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ob.pt_setTitle(title) |
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try: |
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u = self.DestinationURL() |
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except AttributeError: |
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u = REQUEST['URL1'] |
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u = "%s/%s" % (u, urllib.quote(id)) |
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REQUEST.RESPONSE.redirect(u+'/manage_main') |
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return '' |
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