--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/__init__.py	Sun Dec 18 13:35:02 2005 +0100
@@ -0,0 +1,12 @@
+import documentViewer
+
+
+def initialize(context):
+    """initialize ImageCollection"""
+    context.registerClass(
+        documentViewer.documentViewer,
+        constructors = (
+          documentViewer.manage_AddDocumentViewerForm,
+          documentViewer.manage_AddDocumentViewer
+          )
+        )

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/documentViewer.py	Sun Dec 18 13:35:02 2005 +0100
@@ -0,0 +1,293 @@
+
+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')
+    
\ No newline at end of file