#!/usr/local/bin/python

import sys
import string
import cgi

from swlib.imports import *
from Default import *
try:
    from Config import *
except:
    pass

def displayItem(req, node):
    model = req.model
    res = model[node]
    req.model("<li class=\"rdf_instance\">\n")
    labels = string.join(model.labels(node), ", ")
    req.model("<a href=\"/rdf/instance/?" + urlencode({"inst": model.encodeResource(node)}) + "\">\n")
    req.model("<img class=\"image-instance\" width=\"100\" src=\"" + str(node) + "\" alt=\"" + labels + "\" title=\"" + labels + "\"/>\n")
    req.model("</a>\n")
    #print "<span title=\"" + str(node) + "\">"
    #print string.join(model.labels(node), ", ")
    #print "</span>"
    #print "<ul>"
    foundsome = 0
    for pred in res.properties(model.fpDict().addLabels().addStandard()):
        if foundsome == 0:
            foundsome = 1
            req.model("<ul>\n")
        label = string.join(model.labels(pred), ", ")
        d = dict()
        for obj in res.objects(pred):
            d[obj] = 1
        ls = d.keys()
        if(type(ls[0]) == Literal): 
            req.model("<li><strong title=\"" + str(pred) + "\">" + label + ":</strong> ")
            req.write(cgi.escape(str(ls[0])))
        else:
            #sys.stdout.write("<li><a title=\"" + str(pred) + "\" href=\"" + str(ls[0]) + "\">" + label + "</a>")

            foo = model.encodeResource(ls[0])
            if foo == None:
                foo = ls[0]
            bar = "/rdf/instance/?" + urlencode({"inst": str(foo)})
            #sys.stdout.write("<a href=\"" + str(item) + "\">" + "(additional value)</a>")
            req.write("<li><strong title=\"" + str(pred) + "\">" + label + ": </strong><a href=\"" + str(bar) + "\">" + string.join(model.labels(ls[0]), ", ") + "</a>")
        if(len(ls) > 1):
            for item in ls[1:]:
                req.write(", ")
                if(type(item) == Literal):
                    req.write(cgi.escape(str(item)))
                else:
                    foo = model.encodeResource(item)
                    if foo == None:
                        foo = item
                    bar = "/rdf/instance/?" + urlencode({"inst": str(foo)})
                    #sys.stdout.write("<a href=\"" + str(item) + "\">" + "(additional value)</a>")
                    #sys.stdout.write("<a href=\"" + str(item) + "\">" + "(additional value)</a>")
                    req.write("<a href=\"" + str(bar) + "\">" + string.join(model.labels(item), ", ") + "</a>")
        req.write("</li>\n")
    if foundsome == 1:
        req.write("</ul>\n") 


    req.write("</li>\n")

def printAllSubClasses(req, root, showinstances):
    model = req.model
    req.write("<li>\n")
   
    req.write("<a title=\"" + str(root) + "\" href=\"?" + urlencode({"classuri": root}) + "\">" + string.join(model.labels(root), ", ") + "</a>\n")
    foundsome = 0
    if(showinstances):
        for item in model.specificIndividuals(root).sortByValue():
            if(foundsome == 0):
                req.write("<ul>\n")
            foundsome = 1
            displayItem(req, item)
    for item in model.specificSubClasses(root).sortByValue():
    	if(foundsome == 0):
    		req.write("<ul>\n")
		foundsome = 1
        printAllSubClasses(req, item, showinstances)
    if(foundsome == 1):
    	req.write("</ul>\n")
    req.write("</li>\n")

def html(req):
    model = req.model
    args = req.args
    req.setPageWrap(True)

    #if(len(sys.argv) > 1):
    if(args.has_key("classuri")):
        classuri = URIRef(args["classuri"][0])
    else:
        classuri = URIRef(IMAGE)


    title = string.join(model.labels(classuri), ", ")
    req.header.setTitle(title)
    req.write("<h1>Displaying image class", "<span title=\"" + classuri + "\">" + title +  "</span></h1>\n")
    req.write("<ul>\n")
    printAllSubClasses(req, classuri, 1)
    req.write("</ul>\n")

    return

options = { "application/xhtml+xml": (html, .8), "text/html": (html, .9)}
options.setStandardController(('classuri',))