--- ECHO_content/ECHO_collection.py	2004/11/27 22:38:43	1.190
+++ ECHO_content/ECHO_collection.py	2004/11/29 21:55:29	1.193
@@ -9,7 +9,13 @@ class ECHO_externalLink contains informa
 
 
 """
+from reportlab.pdfgen import canvas
+from reportlab.lib.pagesizes import A4
+    
+	
+
 import string
+import tempfile
 import re
 import os
 import OFS.Image
@@ -272,6 +278,7 @@ def manage_addECHO_fullText(self, id, ti
         REQUEST.RESPONSE.redirect(u+'/manage_main')
     return ''
 
+
 class ECHO_resource(Folder,Persistent,ECHO_basis):
     """ECHO Ressource"""
     security=ClassSecurityInfo()
@@ -283,6 +290,91 @@ class ECHO_resource(Folder,Persistent,EC
 
     security.declareProtected('View','index_html')
 
+    
+  
+    security.declareProtected('View','createPDF')
+    def createPDF(self,RESPONSE=None,local=None,dpi=150):
+	    """erzeuge pdf file"""
+	    pages=1
+	    dpi=float(dpi)
+	    imagePath=self.getImagePath().replace("/mpiwg/online","")
+	    
+	    
+	    image="http://nausikaa2.mpiwg-berlin.mpg.de/digitallibrary/servlet/Scaler?fn="+imagePath+"&dw=%i&dh=%i&pn=%i"
+	    xmlInfo="http://nausikaa2.mpiwg-berlin.mpg.de/digitallibrary/dlInfo-xml.jsp?fn="+imagePath
+
+	    dom=xml.dom.minidom.parse(urllib.urlopen(xmlInfo))
+	    for parameter in dom.getElementsByTagName('parameter'):
+		    if parameter.getAttribute('name')=="pt":
+			    pages=int(parameter.getAttribute('value'))
+			    break
+	    
+	    tempdir="/tmp/archivesImageServer"
+	    if not os.path.exists(tempdir):
+		    os.mkdir(tempdir) 
+  
+	    tmpPath=tempfile.mkdtemp(dir=tempdir)
+	    
+
+	    tmpZip=tempfile.mktemp(dir=tempdir)
+
+	    tmpFn=os.path.split(tmpZip)[1]
+
+
+	  
+	  
+
+	    if RESPONSE:
+		    RESPONSE.setHeader("Content-Type","text/html")
+		    RESPONSE.write("<h1>I am creating  the pdf</h1>")
+		    txt="<h3>1. step: getting the images( %i pages)</h3>"%pages
+		    RESPONSE.write(txt)
+
+	    c=canvas.Canvas(tmpZip)
+	    for i in range(1,pages+1):
+		    if RESPONSE:
+			    RESPONSE.write(str("<p>Get Page: %i<br>\n"%i))
+		    faktor=dpi/72.0
+		    
+		    fn=tmpPath+"/%i"%i
+
+		    width,height=A4
+		    #print image%(width*faktor,height*faktor,i)
+		    url=urllib.urlopen(image%(width*faktor,height*faktor,i)).read()
+		    fh=file(fn,"w")
+		    fh.write(url)
+		    fh.close()
+
+    
+
+		    c.drawImage(fn,0,0,width=width,height=height)
+		    c.showPage()
+	    c.save()
+	    if RESPONSE:
+		    RESPONSE.write("<p>finished<br>\n")
+
+	    if RESPONSE:
+		    len=os.stat(tmpZip)[6]
+		    downloadUrl=self.absolute_url()+"/downloadPDF"
+		    RESPONSE.write("""<h1><a href="downloadPDF?fn=%s">Click here for download ( %i Byte)</a></h1>\n"""%(tmpFn,len))
+		    RESPONSE.write("""<p>The file will be stored for a while, you can download it later, the URL is:</p>
+		    <p><a href="downloadPDF?fn=%s">%s?fn=%s</a></h1>\n"""%(tmpFn,downloadUrl,tmpFn))
+		    RESPONSE.close()
+
+
+    def downloadPDF(self,fn):
+	    """download prepared set"""
+	    filename="/tmp/archivesImageServer/"+fn
+	    namePDF=self.getId()+".pdf"
+	    self.REQUEST.RESPONSE.setHeader("Content-Disposition","""attachement; filename="%s" """%namePDF)
+	    self.REQUEST.RESPONSE.setHeader("Content-Type","application/octet-stream")
+	    len=os.stat(filename)[6]
+	    self.REQUEST.RESPONSE.setHeader("Content-Length",len)
+	    images=file(filename).read()
+	    self.REQUEST.RESPONSE.write(images)
+	    self.REQUEST.RESPONSE.close()
+
+
     def getRDF(self,urn=None):
 	    """rdf"""
 	    ret=getRDFDescription(self,self.link,urn=urn)
@@ -636,8 +728,11 @@ class ECHO_resource(Folder,Persistent,EC
 		    else:
 			    return "<error>no fulltext available</error>"
 
-
-    def getImageView(self,noredirect=None):
+    def getImagePath(self):
+	    """gibt pfad zum image aus"""
+	    return self.getImageView(noredirect="yes",onlyPath="yes")
+    
+    def getImageView(self,noredirect=None,onlyPath=None):
 	    """getImages; give Imageviewr  and <error></error> if somthing goes wrong."""
 	    try:
 		    fh=ECHO_helpers.urlopen(self.metalink)
@@ -656,7 +751,10 @@ class ECHO_resource(Folder,Persistent,EC
                             self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')	
 			    self.REQUEST.RESPONSE.redirect(imageurl)
 		    else:
-			    return imageurl
+			    if not onlyPath:
+				    return imageurl
+			    else:
+				    return archivepath+"/"+imagetemp
 	    except:
 
 		    if not noredirect:
@@ -898,9 +996,13 @@ class ECHO_resource(Folder,Persistent,EC
 		    RESPONSE.redirect('manage_main')
 
 
-    def getMDValue(self,fieldName):
-	    return self.metaDataHash.get(fieldName,'!!NOT USED HERE in Type: %s'%self.contentType)
-					 
+    def getMDValue(self,fieldName,empty=None):
+	    if empty:
+		    return self.metaDataHash.get(fieldName,'!!NOT USED HERE in Type: %s'%self.contentType)
+	    
+	    else:
+		    return self.metaDataHash.get(fieldName,empty)
+	    
     def newMetaXML(self,project=None,startpage=None,xslt=None,thumbtemplate=None,topbar=None,digiLibTemplate=None,digiliburlprefix=None):
 	    """new index.meta"""
 	    self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
@@ -1184,10 +1286,27 @@ class ECHO_resource(Folder,Persistent,EC
     def ECHO_getMD(self,item):
         """Ausgabe der MD"""
         return getattr(self,item)
-        
+
+    def checkRDF(self,path):
+	    """check if pdf in the path"""
+	    try:
+		    for fileName in os.listdir(path):
+			    if os.path.splitext(fileName)[1]==".pdf":
+				    return os.path.join(path,fileName)
+		    return None
+	    except:
+		    return None
+	    
+	    
     def index_html(self):
         """standard page"""
-        
+        pdf=self.checkRDF(self.link)
+	if pdf:
+		fh=file(pdf,'r').read()
+		self.REQUEST.RESPONSE.setHeader('Content-Type','x-Application/pdf')
+		self.REQUEST.RESPONSE.write(fh)
+		self.REQUEST.RESPONSE.close()
+		return 
         return self.REQUEST.RESPONSE.redirect(self.link)
 
     def startpage_html(self):