--- ECHO_content/ECHO_helpers.py	2004/12/02 12:01:08	1.29
+++ ECHO_content/ECHO_helpers.py	2005/01/31 11:15:50	1.37
@@ -1,9 +1,10 @@
+import re
 import string
 import socket
 import urllib
 import string
 import xml.dom.minidom
-from types import *
+import types
 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
 from OFS.SimpleItem import SimpleItem
 from Globals import package_home
@@ -36,7 +37,9 @@ class ECHO_basis:
 	    """showrdf"""
             self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
 	    ret="""<?xml version="1.0" encoding="utf-8"?>\n<RDF:RDF xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:ECHONAVIGATION="http://www.echo.eu/rdf#">\n"""
-	    ret+=self.getRDF(urn="echo:colllectionroot")+"\n"
+
+	    ret+=self.getRDF(urn="echo:collectionroot")+"\n"
+
 
 	    ret+="""</RDF:RDF>"""
     	    return ret 
@@ -94,6 +97,7 @@ class ECHO_basis:
         
     def getTitle(self):
 	"""title"""
+	return self.decode(self.title)
 	try:
 		return self.title.encode('utf-8','ignore') 
 	except:
@@ -102,6 +106,8 @@ class ECHO_basis:
 	
     def getLabel(self):
 	"""title"""
+
+	return self.decode(self.label)
 	try:
 		return self.label.encode('utf-8','ignore') 
 	except:
@@ -127,6 +133,22 @@ class ECHO_basis:
 
     manage_options=({'label':'change ECHO Navigation Entries','action':'changeECHOEntriesForm'},)
 
+
+    def hasOverview(self):
+        """returns if there is an overview graphics"""
+	return hasattr(self, 'overview')
+
+    def hasParentOverview(self):
+        """returns if the parent has an overview graphics"""
+	return hasattr(self.aq_parent, 'overview')
+
+    def getOverview(self):
+        """map overview graphics"""
+        #return self.aq_parent.ZopeFind(self.aq_parent,obj_ids=['overview'])[0][1]
+	if self.hasOverview():
+	    return getattr(self, 'overview')
+	return None
+
     def getMapAreas(self):
         """returns the list of MapAreas"""
 	# get all contained MapAreas
@@ -141,6 +163,14 @@ class ECHO_basis:
 	    newarea.id = "a%02d"%len(areas)
 	self._setObject(newarea.id, newarea)
 
+    def ECHO_graphicEntry(self):
+        """change map coordinates"""
+        if self.hasParentOverview():
+            pt=zptFile(self, 'zpt/ECHO_draw.zpt')
+            return pt()
+        else:
+            return "NO OVERVIEW GRAPHICS"
+
     def ECHO_addCoords(self,RESPONSE=None):
         """change or add MapArea"""
 	#return self.REQUEST
@@ -177,13 +207,115 @@ class ECHO_basis:
 	if RESPONSE is not None:
 	    RESPONSE.redirect('ECHO_graphicEntry')
 
+    def createJSAreas(self, areas):
+        """create area calls for JavaScript"""
+        dynamical="\n"
+        for ob in areas:
+	    if ob.isTypeArrow():
+	        dynamical+="""addArea('%s', 'overview', %s, 'arrow');\n"""%(ob.getFullId(),ob.getCoordString())
+	    else:
+	        dynamical+="""addArea('%s', 'overview', %s, 'area');\n"""%(ob.getFullId(),ob.getCoordString())
+        return dynamical
+
+    def createMapHead(self):
+        """create javascript include and script tags for head"""
+        pt=zptFile(self, 'zpt/ECHO_content_map_frag_js')
+        return pt()
+
+    def createMapImg(self):
+	"""generate img-tag for map"""
+	bt = BrowserCheck(self)
+	tag = ""
+	src = self.getOverview().absolute_url()
+	if bt.isN4:
+	    # N4 needs ilayer to create an id
+	    tag += '<ilayer id="overview" visibility="show"><img src="%s"></ilayer>'%src
+	else:
+	    # img with id
+	    tag += '<img id="overview" src="%s" />'%src
+	return tag
+        
+    def createParentMapImg(self):
+	"""generate img-tag for map of parent"""
+	return self.aq_parent.createMapImg()
+
+    def createMapLink(self, ob, text=None):
+	"""generate map link"""
+	bt = BrowserCheck(self)
+	id = ob.getFullId()
+	link = ob.getLinkId()
+	if text is None:
+	    text = ob.getLabel()
+	if text is None:
+	    text = "link"
+	tiptext = ob.getText()
+	tag = ""
+	if bt.isN4:
+	    # N4 needs layer for highlighting
+	    tag += '<ilayer id="a.%s"><a onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" href="%s" target="_blank"'%(id,id,id,link)
+	    tag += ">" + text + "</a></ilayer>"
+	else:
+	    # a-element
+	    tag = '<a id="a.%s" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" href="%s" target="_blank"'%(id,id,id,link)
+	    if tiptext:
+		tag += ' title="%s"'%tiptext
+	    tag += ">" + text + "</a>"
+	return tag
+
+    def createMapAux(self, ob, arrowsrc="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/servlet/Scaler/?dw=15&fn=icons/pfeil"):
+	"""generate map link image, text and other stuff"""
+	bt = BrowserCheck(self)
+	id = ob.getFullId()
+	link = ob.getLinkId()
+	tiptext = ob.getText()
+	tag = ""
+
+	if bt.isN4:
+	    # N4 needs layer and img elements
+	    tag += '<layer id="i.%s" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)">'%(id,id,id)
+	    if ob.isTypeArrow():
+	        rot = ob.angle
+		tag += '<a href="%s"><img border="0" src="%s&rot=%s" /></a>'%(link,arrowsrc,rot)
+	    else:
+		tag += '<a href="%s"><img border="0" width="1000" height="1000" src="trans_img"'%(link)
+		if tiptext:
+		    tag += ' alt="%s"'%tiptext
+		tag += ' /></a>'
+	    tag += '</layer>'
+	else:
+	    # create a-element
+	    tag = '<a id="b.%s" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" href="%s" target="_blank">'%(id,id,id,link)
+	    if ob.isTypeArrow():
+		rot = ob.angle
+		if bt.isIEWin and bt.versIE > 5:
+		    # IE/Win 5.5 has "feature" for PNG transparency
+		    tag += '<span id="i.%s" style="position:absolute; top:-100px; left:-100px; border-style:none; border-width=1px; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'%s&rot=%s\');"><img style="visibility:hidden" src="%s&rot=%s" /></span>'%(id,arrowsrc,rot,arrowsrc,rot)
+		else:
+		    # arrow image
+		    tag += '<img id="i.%s" src="%s&rot=%s" border="1" style="position:absolute; top:-100px; left:-100px; border-style:none;" />'%(id,arrowsrc,rot)
+	    else:
+		if bt.isIE:
+		    # IE needs transparent img for area
+		    tag += '<img id="i.%s" border="0" style="position:absolute; top:-100px; left:-100px;" src="trans_img"'%(id)
+		    if tiptext:
+			tag += ' title="%s"'%tiptext
+		    tag += " />"
+		else:
+		    # div for area
+		    tag += '<div id="i.%s" style="position:absolute; top:-100px; left:-100px;"'%(id)
+		    if tiptext:
+			tag += ' title="%s"'%tiptext
+		    tag += '> </div>'
+	    tag += '</a>'
+	return tag
+
 
     #ende der echo erweiterungen
 
 
 def toList(field):
     """Einzelfeld in Liste umwandeln"""
-    if type(field)==StringType:
+    if type(field)==types.StringType:
         return [field]
     else:
         return field
@@ -256,12 +388,12 @@ def checkOnlyOneInGroup(object):
 		return displayedObjects[0][1]
 	else:		return object
 
-def getSubCols(self,sortfield="weight",subColTypes= displayTypes,sortFieldMD=None):
+def getSubCols(self, sortfield="weight", subColTypes=displayTypes, sortFieldMD=None):
 
 	def sortfnc(sortfield,x,y):
 		xa=x[1].getMDValue(sortfield)
 		ya=y[1].getMDValue(sortfield)
-		print xa,ya
+		#print xa,ya
 		return cmp(xa,ya)
 	
 	sortWithMD = lambda sortfield : (lambda x,y : sortfnc(sortfield,x,y))
@@ -280,23 +412,24 @@ def getSubCols(self,sortfield="weight",s
             """nothing"""
             
         tmplist=[]
-        for x in ids:
-            if hasattr(x,sortfield):
-                try:
 
-                    x=int(x)
-                except:
-                    """nothing"""
-                tmp=getattr(x,sortfield)
-            else:
-                tmp=10000000
-            tmplist.append((tmp,x))
+        for x in ids:
+		if hasattr(x,sortfield):
+			try:
+				tmp=int(getattr(x,sortfield))
+			except:
+				tmp=getattr(x,sortfield)
+				
+		else:
+			tmp=10000000
+			
+		tmplist.append((tmp,x))
 
 	if not sortFieldMD:
 		tmplist.sort()
 	else:
 		tmplist.sort(sortWithMD(sortFieldMD))
-		
+	
         return [x for (key,x) in tmplist]
 
 def ECHO_rerenderLinksMD(self,obj=None,types=['title','label']):
@@ -453,23 +586,46 @@ def checkDiffs(self,metadict):
 	    return diffs
     
 
-def zptFile(self, path):
+def zptFile(self, path, orphaned=False):
     """returns a page template file from the product"""
-    pt=PageTemplateFile(os.path.join(package_home(globals()), path)).__of__(self)
+    if orphaned:
+	# unusual case
+	pt=PageTemplateFile(os.path.join(package_home(globals()), path))
+    else:
+	pt=PageTemplateFile(os.path.join(package_home(globals()), path)).__of__(self)
     return pt
 
 
-def sendFile(self, filename, type):
-    """sends an object or a local file (in the product) as response"""
+def findObjectPath(startobject, filename):
+    """returns the object with the name filename starting at startobject"""
+    if startobject is None:
+	return None
     paths = filename.split('/')
-    object = self
-    # look for an object called filename
+    object = startobject
     for path in paths:
         if hasattr(object, path):
 	    object = getattr(object, path)
 	else:
 	    object = None
 	    break
+    return object
+
+
+def zptObjectOrFile(self, filename, localdir='zpt', orphaned=False):
+    """returns a page template instance or a file from the product"""
+    # look for an object called path
+    pt = findObjectPath(self, filename)
+    # the object should also not be a python function
+    if (pt is None) or isinstance(pt, types.FunctionType):
+	# get a ZPT file
+	pt = zptFile(self, localdir+'/'+filename, orphaned=orphaned)
+    return pt
+
+
+def sendFile(self, filename, type):
+    """sends an object or a local file (in the product) as response"""
+    # look for an object called filename
+    object = findObjectPath(self, filename)
     if object:
 	# if the object exists then send it
 	return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
@@ -536,12 +692,12 @@ def writeMetadata(url,metadict,project=N
 	else:
 		try:
 			geturl=""
-			for line in ECHO_helpers.urlopen(url).readlines():
+			for line in urlopen(url).readlines():
 				geturl=geturl+line
 
 
 		except:
-			return (None,"Cannot open: "+url)
+			return (None,"XCannot open: "+url)
 
 		try:
 			dom=xml.dom.minidom.parseString(geturl)
@@ -620,9 +776,10 @@ def readMetadata(url):
     Vorerst noch Typ bib"""
     
     metadict={}
+    
     try:
         geturl=""
-        for line in ECHO_helpers.urlopen(url).readlines():
+        for line in urlopen(url).readlines():
             geturl=geturl+line
         
         
@@ -632,7 +789,7 @@ def readMetadata(url):
     try:
         dom=xml.dom.minidom.parseString(geturl)
     except:
-        return (None,"Cannot parse: "+url+"<br>"+geturl)
+	    return (None,"Cannot parse: "+url+"<br>"+geturl)
 
     metanode=dom.getElementsByTagName('bib')
     metadict['bib_type']='Book'
@@ -650,11 +807,11 @@ def readMetadata(url):
             """nothing"""
         
         for node in metacontent:
-            try:
-		    #print urllib.unquote(getText(node.childNodes)),getText(node.childNodes)
-		    metadict[re.sub('-','_',node.tagName.lower())]=urllib.unquote(getText(node.childNodes))
-            except:
-                """nothing"""
+		try:
+			#print urllib.unquote(getText(node.childNodes)),getText(node.childNodes)
+			metadict[re.sub('-','_',node.tagName.lower())]=urllib.unquote(getText(node.childNodes))
+		except:
+			"""nothing"""
 
 
     return metadict,""