def __init__(self, parent=None):
# boilerplate
QtGui.QDialog.__init__(self, parent)
self.ui = Ui_Helper()
self.ui.setupUi(self)
# load sorting orders into combobox
from vrptw import sort_keys
self.ui.greedyOrder.addItems(sorted(sort_keys.keys()))
# add custom mpl canvas
self.plot = Plot(self)
# the worker thread (one, for now)
self.worker = Worker(self)
# the stopwatch placeholder
self.watch = '(no watch set!)'
QtCore.QObject.connect(self.ui.update, QtCore.SIGNAL("clicked()"), self.plot_savings)
QtCore.QObject.connect(self.ui.best, QtCore.SIGNAL("clicked()"), self.plot_best)
QtCore.QObject.connect(self.ui.greedy, QtCore.SIGNAL("clicked()"), self.plot_greedy)
QtCore.QObject.connect(self.ui.clearPlot, QtCore.SIGNAL("clicked()"), self.clear_plot)
class Helper(QtGui.QDialog):
def __init__(self, parent=None):
# boilerplate
QtGui.QDialog.__init__(self, parent)
self.ui = Ui_Helper()
self.ui.setupUi(self)
# load sorting orders into combobox
from vrptw import sort_keys
self.ui.greedyOrder.addItems(sorted(sort_keys.keys()))
# add custom mpl canvas
self.plot = Plot(self)
# the worker thread (one, for now)
self.worker = Worker(self)
# the stopwatch placeholder
self.watch = '(no watch set!)'
QtCore.QObject.connect(self.ui.update, QtCore.SIGNAL("clicked()"), self.plot_savings)
QtCore.QObject.connect(self.ui.best, QtCore.SIGNAL("clicked()"), self.plot_best)
QtCore.QObject.connect(self.ui.greedy, QtCore.SIGNAL("clicked()"), self.plot_greedy)
QtCore.QObject.connect(self.ui.clearPlot, QtCore.SIGNAL("clicked()"), self.clear_plot)
def lock_ui(self):
"""Called before entering the background operation."""
from stopwatch import StopWatch
self.watch = StopWatch()
self.ui.update.setEnabled(False)
self.ui.best.setEnabled(False)
def background_done(self):
"""Slot to unlock some UI elements after finished background operation."""
self.ui.update.setEnabled(True)
self.ui.best.setEnabled(True)
self.ui.progressBar.setEnabled(False)
self.ui.textEdit.append("Processing finished in %s seconds" % self.watch)
print "What now?", self.watch
def plot_best(self):
self.worker.performOperation(BestOperation(self.tests_chosen()))
def plot_savings(self):
mi = self.ui.mi.value()
waitlimit = self.ui.waitlimit.value() if self.ui.has_waitlimit.checkState() else None
mfs = self.ui.mfs.checkState()
self.worker.performOperation(SavingsOperation(self.tests_chosen(), mi, waitlimit, mfs))
def plot_greedy(self):
order = str(self.ui.greedyOrder.currentText())
self.worker.performOperation(GreedyOperation(self.tests_chosen(), order))
def clear_plot(self):
"""Slot for clearing the plot."""
self.plot.reset()
def init_progress(self, maxProgress):
"""Slot for resetting the progress bar's value to 0 with a new maximum."""
self.ui.progressBar.setEnabled(True)
self.ui.progressBar.setMaximum(maxProgress)
self.ui.progressBar.setValue(0)
def update_progress(self, progress):
"""Slot for updating the progress bar."""
print "--- one done ---"
self.ui.progressBar.setValue(progress)
def tests_chosen(self):
"""Return the selected pattern in the families list."""
return str(self.ui.families.currentItem().text())
