--- ECHO_content/ECHO_helpers.py	2004/12/02 15:44:26	1.30
+++ ECHO_content/ECHO_helpers.py	2004/12/02 20:11:49	1.31
@@ -128,6 +128,22 @@ 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
@@ -142,6 +158,14 @@ 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
@@ -178,6 +202,95 @@ 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.REQUEST['URL1'] + "/overview"
+	src = self.getOverview().absolute_url()
+	if bt.isN4:
+	    tag += '<ilayer id="overview" visibility="show"><img src="%s"></ilayer>'%src
+	else:
+	    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"
+	tag = ""
+	if bt.isN4:
+	    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:
+	    tag = '<a id="a.%s" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" href="%s" target="_blank"'%(id,id,id,link)
+	    if ob.text:
+		tag += ' title="%s"'%ob.text
+	    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:
+	    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:
+	    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:
+		    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:
+		    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.isIEWin:
+		    tag += '<div id="i.%s" style="position:absolute; top:-100px; left:-100px;background:url(area_img)"'%(id)
+		else:
+		    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