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Added Metadata backlinks

from OFS.Folder import Folder
from OFS.SimpleItem import SimpleItem
from Globals import Persistent
from Acquisition import Implicit
from Products.PageTemplates.PageTemplateFile import PageTemplateFile
from Products.PageTemplates.PageTemplate import PageTemplate
import re
import os
import os.path
import urllib
import xml.dom.minidom

def getText(nodelist):
    
    rc = ""
    for node in nodelist:
    
    	if node.nodeType == node.TEXT_NODE:
           rc = rc + node.data
    return rc


class ImageDigilib(SimpleItem,Persistent,Implicit):
    """Anzeige object fuer digilib"""
    meta_type="ImageDigilib"

    def __init__(self,id,filename,meta=None):
        self.id=id
        self.title=filename
        self.filename=filename
        self.meta=meta

    def getMeta(self):
        """ausgabe der metadaten"""
        return self.meta
    
    def uploadImage(self,fileupload,path_name):
        """upload an Image from an Requast"""
        #path_name=self.ImageStoragePath
        filename=path_name+"/"+fileupload.filename
        filedata=fileupload.read()
        f=open(filename,"w")
        f.write(filedata)
        f.close()
        os.chmod(filename,0644)
        os.popen("ssh nausikaa2.rz-berlin.mpg.de /usr/local/mpiwg/scripts/scaleomat.pl %s /mpiwg/temp/online/scaled/small 100 &"% self.ImageViewerPath)


    
        
    def download(self):
        """download"""
        path="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/servlet/Scaler/?fn="+self.ImageViewerPath+"/"+self.filename+"&mo=rawfile,highres"
        #self.REQUEST.SESSION['string']="<img src=\"%s\">"% path
        #pt=PageTemplateFile('Products/ImageArchive/thumb.zpt').__of__(self)
        return self.REQUEST.RESPONSE.redirect(path)
    
    def thumb(self):
        """show thumb"""
        thumbname=os.path.splitext(self.filename)[0]+".jpg"
        ## if not os.path.exists("/mpiwg/temp/online/scaled/small/"+self.ImageViewerPath+"/"+thumbname):
##             image=urllib.urlopen("http://nausikaa2.rz-berlin.mpg.de:18080/digitallibrary/servlet/Scaler/?fn="+self.ImageViewerPath+"/"+self.filename+"&dw=150&mo=lores").read()
##             f=open("/mpiwg/temp/online/scaled/small/"+self.ImageViewerPath+"/"+thumbname,"w")
##             f.write(image)
##             f.close()
##             os.popen("ssh nausikaa2.rz-berlin.mpg.de /usr/local/mpiwg/scripts/scaleomat.pl %s /mpiwg/temp/online/scaled/small 150 &"% self.ImageViewerPath)
            
        
        path="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/servlet/Scaler/?fn="+self.ImageViewerPath+"/"+self.filename+"&dw=100&dh=100&mo=lores"
        #path="/thumbs"+self.ImageViewerPath+"/"+thumbname
        self.REQUEST.SESSION['string']="<img border=\"0\" src=\"%s\">"% path
        pt=PageTemplateFile('Products/ImageArchive/thumb.zpt').__of__(self)
        return pt()
    
    def index_html(self):
        """show image"""
        path="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/digilib.jsp?fn="+self.ImageViewerPath+"/"+self.filename
        #self.REQUEST.SESSION['string']="<img src=\"%s\">"% path
        #pt=PageTemplateFile('Products/ImageArchive/thumb.zpt').__of__(self)
        return self.REQUEST.RESPONSE.redirect(path)

    
def manage_AddImageDigilibForm(self):
    """Nothing yet"""
    pt=PageTemplateFile('Products/ImageArchive/AddImageDigilibForm.zpt').__of__(self)
    return pt()
    
def manage_AddImageDigilib(self,id,fileupload,meta=None,RESPONSE=None):
    """Add ImageCollection"""
    #fileupload=self.REQUEST['fileupload']
    newObj=ImageDigilib(id,fileupload.filename,meta)
    
    self._setObject(id,newObj)
    getattr(self,id).uploadImage(fileupload,self.ImageStoragePath)
    
    if RESPONSE is not None:
        RESPONSE.redirect('manage_main')

                 
class ImageCollection(Folder, Persistent, Implicit):
    """Sammelordner für Bilder"""
    meta_type="ImageCollection"
    
    defaultMetaString="http://fm-web.mpiwg-berlin.mpg.de:8050/FMRes/FMPJS?-db=Wissenschaftlerportraits.fp5&-layID=69&-token=25&-max=1&-format=formvwcss.htm&-mode=browse&images::filename=%s&-find" ## TEST FUER IMAGEDATENBANK WP
    
    def __init__(self,id,title,ImageStoragePath,ImageViewerPath,defaultMetaString):
        self.id=id
        self.title=title
        self.ImageStoragePath=ImageStoragePath
        self.ImageViewerPath=ImageViewerPath
        self.defaultMetaString=defaultMetaString

    manage_options = Folder.manage_options+(
        {'label':'Main Config','action':'ImageCollection_config'},
        {'label':'Import','action':'ImportFiles'},
        {'label':'Recalculate Metadate','action':'recalculateMeta'},

        )


    def meta_default(self,filename):
        """url der metadaten"""
        return self.defaultMetaString % filename
                     
    def getThumbAttribute(self,id,attr):
        if hasattr(self,id):
            return getattr(getattr(self,id),attr)
        else:
            if attr=='title':
                return "<b>Missing Image:%s</b>" % id

    def getThumbFunction(self,id,attr):
        #return "DUMP"
        if hasattr(self,id):
            return getattr(getattr(self,id),attr)()
        
            
    def xmlinput(self,url):
        """Anzeige von ausgewaehlten thumbs"""
        #return url
        xmldoc=urllib.urlopen(url).read()
        
        dom=xml.dom.minidom.parseString(xmldoc)
        
        images=dom.getElementsByTagName('imagename')
        rc=[]
        for image in images:
            text=getText(image.childNodes)
            if not text=="":
                rc.append(str(text))
        rc.sort()
        self.REQUEST.SESSION['filenames']=rc
        pt=PageTemplateFile('Products/ImageArchive/overview_selected.zpt').__of__(self)
        return pt()        

    def recalculateMeta(self):
        """recalculate the metadata"""
        
        for entryid in self.__dict__:
            entry=getattr(self,entryid)
            if hasattr(entry,'meta_type'):
                
                if entry.meta_type=="ImageDigilib":
                    entry.meta=entry.meta_default(entry.getId())
        return "OK"
    
    def addImage(self):
        """Add an Image"""
        pt=PageTemplateFile('Products/ImageArchive/addImage.zpt').__of__(self)
        return pt()
    
    def addImage2(self,fileupload,meta,use_default,RESPONSE=None):
        """Add"""
        #print "FU",fileupload

        if use_default:
            try:
                meta=self.meta_default(fileupload.filename)
            except:
                meta=None
                
        manage_AddImageDigilib(self,fileupload.filename,fileupload,meta=meta)
        return RESPONSE.redirect(self.REQUEST['URL1']+'/'+fileupload.filename)
        #return  self.REQUEST['URL1']+'/'+fileupload.filename

    def ImportFiles2(self,RESPONSE=None):
        """Import the existing files of a folder"""
        files=os.listdir(self.ImageStoragePath)
        ret=""
        #print self.__dict__
        for file in files:
            if not file[0]==".":
                if self.__dict__.has_key(file):

                    ret=ret+"<br>"+file+" already exists!"
                else:
                    ret=ret+"<br>"+file+" created!"
                    meta=self.meta_default(file)
                    newObj=ImageDigilib(file,file,meta)
                    #print newObj,file
                    #print newObj
                    self._setObject(file,newObj)
        #print ret
        #pt=PageTemplateFile('Products/ImageArchive/out.zpt').__of__(self)
        #print self.ImageStoragePath
        os.popen("ssh nausikaa2.rz-berlin.mpg.de /usr/local/mpiwg/scripts/scaleomat.pl %s /mpiwg/temp/online/scaled/small 100 &"% self.ImageViewerPath)
        RESPONSE.redirect('manage_main')
    
    def ImportFiles(self,RESPONSE=None):
        """Import the existing files of a folder"""
        files=os.listdir(self.ImageStoragePath)
        ret=""
        #print self.__dict__
        for file in files:
            if not file[0]==".":
                if self.__dict__.has_key(file):

                    ret=ret+"<br>"+file+" already exists!"
                else:
                    ret=ret+"<br>"+file+" created!"
                    newObj=ImageDigilib(file,file)
                    #print newObj,file
                    #print newObj
                    self._setObject(file,newObj)
        #print ret
        #pt=PageTemplateFile('Products/ImageArchive/out.zpt').__of__(self)
        #print self.ImageStoragePath
        os.popen("ssh nausikaa2.rz-berlin.mpg.de /usr/local/mpiwg/scripts/scaleomat.pl %s /mpiwg/temp/online/scaled/small 100 &"% self.ImageViewerPath)
        RESPONSE.redirect('manage_main')
        
    def ImageCollection_config(self):
        """Nothing yet"""
        if not hasattr(self,'defaultMetaString'):
            self.defaultMetaString=""
            
        pt=PageTemplateFile('Products/ImageArchive/ChangeImageCollectionForm.zpt').__of__(self)
        return pt()

    def ChangeImageCollection(self,title,ImageStoragePath,ImageViewerPath,defaultMetaString,RESPONSE=None):
        """Change"""
        self.title=title
        self.ImageStoragePath=ImageStoragePath
        self.ImageViewerPath=ImageViewerPath
        self.defaultMetaString=defaultMetaString
        
        if RESPONSE is not None:
            RESPONSE.redirect('manage_main')

    def show_selected_thumbs(self):
        #ids=[]
        
        return self.REQUEST.SESSION['filenames']

    def show_thumbs(self):
        ids=[]
        for entry in self.__dict__:
            #print entry
            if hasattr(getattr(self,entry),'thumb'):
                ids.append(entry)
                
        #print ids
        ids.sort()
        return ids

    def show_thumbs_selected_rows(self,numberOfColumns):
        """Ausgabe anzahl"""
        ids=self.show_selected_thumbs()
        self.REQUEST.SESSION['ids']=ids
        number=int(len(ids)/numberOfColumns)+1
        self.REQUEST.SESSION['number']=range(number)
        return range(number+1)

    def show_thumbs_rows(self,numberOfColumns):
        """Ausgabe anzahl"""
        ids=self.show_thumbs()
        self.REQUEST.SESSION['ids']=ids
        number=int(len(ids)/numberOfColumns)+1
        
        return range(number+1)

    def show_thumbs_columns(self,row,numberOfColumns):
        """Ausgabe einer Liste der Reihe"""
        ids=self.REQUEST.SESSION['ids']
        max=len(ids)
        if (row*numberOfColumns)<max:
            return ids[(row-1)*numberOfColumns:row*numberOfColumns]
        else:
            return ids[(row-1)*numberOfColumns:]
    def thumblistSelected_old(self):
        """main template collection"""
        pt=PageTemplateFile('Products/ImageArchive/thumbselected.zpt').__of__(self)
        return pt()

    def thumblistSelected(self):
        """main template collection"""
        pt=PageTemplateFile('Products/ImageArchive/thumbselected2.zpt').__of__(self)
        return pt()
    
    def thumblist_old(self):
        """main template collection"""
        pt=PageTemplateFile('Products/ImageArchive/thumbs.zpt').__of__(self)
        return pt()

    def thumblist(self):
        """main template collection"""
        pt=PageTemplateFile('Products/ImageArchive/thumb2.zpt').__of__(self)
        return pt()

    def navig_html(self):
        """navigation"""
        pt=PageTemplateFile('Products/ImageArchive/navigation.zpt').__of__(self)
        return pt()


    def index_html(self):
        """main template collection"""
        if self.REQUEST.has_key('filename'):
            filen=self.REQUEST['filename']
        else:
            filen=""
        self.REQUEST.SESSION['filename']=filen
        pt=PageTemplateFile('Products/ImageArchive/overview.zpt').__of__(self)
        return pt()
    
def manage_AddImageCollectionForm(self):
    """Nothing yet"""
    pt=PageTemplateFile('Products/ImageArchive/AddImageCollectionForm.zpt').__of__(self)
    return pt()
    
def manage_AddImageCollection(self,id,title,ImageStoragePath,ImageViewerPath,defaultMetaString,RESPONSE=None):
    """Add ImageCollection"""
    newObj=ImageCollection(id,title,ImageStoragePath,ImageViewerPath,defaultMetaString)
    self._setObject(id,newObj)
    
    if RESPONSE is not None:
        RESPONSE.redirect('manage_main')