blender/io_mspgl/util.py

   1 class Progress:
   2         def __init__(self, context):
   3                 self.task = ""
   4                 self.start = 0.0
   5                 self.delta = 1.0
   6                 self.last = 0.0
   7                 self.stack = []
   8                 self.window_manager = context.window_manager
   9                 self.window_manager.progress_begin(0.0, 1.0)
  10
  11         def push_task(self, task, low, high):
  12                 self.stack.append((task, low, high-low))
  13                 self.set_task("init", 0.0, 0.0)
  14
  15         def pop_task(self):
  16                 self.set_task("finish", 1.0, 1.0)
  17                 self.stack.pop()
  18
  19         def set_task(self, task, low, high):
  20                 if self.stack:
  21                         task = self.stack[-1][0]+": "+task
  22                         low = self.stack[-1][1]+self.stack[-1][2]*low
  23                         high = self.stack[-1][1]+self.stack[-1][2]*high
  24
  25                 self.task = task
  26                 self.start = low
  27                 self.delta = high-low
  28
  29                 self.set_progress(0)
  30
  31         def set_progress(self, value):
  32                 value = self.start+self.delta*value
  33                 if value>self.last+0.01:
  34                         self.window_manager.progress_update(value)
  35                         self.last = value