Aluode/PerceptionLabPortable

1"""2Using ProgressDialog to show progress updates in a nested process.3 4"""5 6import time7 8import pyqtgraph as pg9 10app = pg.mkQApp("Progress Dialog Example")11 12 13def runStage(i):14    """Waste time for 2 seconds while incrementing a progress bar.15    """16    with pg.ProgressDialog("Running stage %s.." % i, maximum=100, nested=True) as dlg:17        for j in range(100):18            time.sleep(0.02)19            dlg += 120            if dlg.wasCanceled():21                print("Canceled stage %s" % i)22                break23 24 25def runManyStages(i):26    """Iterate over runStage() 3 times while incrementing a progress bar.27    """28    with pg.ProgressDialog("Running stage %s.." % i, maximum=3, nested=True, wait=0) as dlg:29        for j in range(1,4):30            runStage('%d.%d' % (i, j))31            dlg += 132            if dlg.wasCanceled():33                print("Canceled stage %s" % i)34                break35 36 37with pg.ProgressDialog("Doing a multi-stage process..", maximum=5, nested=True, wait=0) as dlg1:38    for i in range(1,6):39        if i == 3:40            # this stage will have 3 nested progress bars41            runManyStages(i)42        else:43            # this stage will have 2 nested progress bars44            runStage(i)45        46        dlg1 += 147        if dlg1.wasCanceled():48            print("Canceled process")49            break50