import Process

colours = {'created':'c',
           'ready':'r',
           'running':'.',
           'waiting':'w',
           'terminated':'t'}

# the interesting bit
def render_tasks(PT, title, result):
  print title
  line=sep=''
  for i in range(100):
    line+="%1d" % (i % 10)
  print "%20s %s" % (' ',line)
  for p in PT.pt.keys():
    pr = PT.pt[p]
    t = "process number %2d " % pr.num
    h = pr.history
    lenh = len(h)
    line1="%20s " % t
    line2=200*[' ']
    for i in range(100): line2[i]=' '
    c = ' '; t=0; i=0
    tt1,ts1 = h[t];
    while i < 100:
      #print tt1,ts1,i
      while i<tt1:
        if i<100: line2[i]=c
        i+=1
      while tt1==i and t<lenh:
        #print tt1,i,c
        c = colours[ts1]
        if i<100: line2[i]=c
        t+=1
        if t<lenh:
          tt1,ts1 = h[t]
        else:
          tt1,ts1 = 300,'terminated'
      i+=1
    print "%s%s" % (line1,sep.join(line2))
    
def Gantt(h, title, result):
  render_tasks(h, title, result);
  pass

# end of module