python类Button()的实例源码

def create_interface():
    fig = plt.figure()
    ax = fig.add_subplot(211)#Obj
    ax2 = fig.add_subplot(212)#Acquisition


    ax.set_xlim(BOUND_L,BOUND_U)
    ax2.set_xlim(BOUND_L,BOUND_U)

    callback = Index()
    axnext = plt.axes([0.81, 0.01, 0.05, 0.05])#ButtonPosition
    bnext = Button(axnext, '+')#Button
    bnext.on_clicked(callback.next)#ButtonCallbackset

    return fig,ax,ax2,callback,bnext



#%% Functions definition

def updatePlot(self):
        self.ax.clear()
        self.ax.plot(self.x_real,self.y_real)
        self.ax.scatter(self.x_sample,self.y_sample,s=100)       
        self.ax.plot(self.x_pred,self.y_pred)

        if self.constraint:
            self.ax.plot(self.x_real,np.zeros(len(self.x_real)))
        else:
            self.ax.fill_between(self.x_pred.ravel(),self.y_pred-5*np.sqrt(self.sigma2_pred),self.y_pred+5*np.sqrt(self.sigma2_pred),color='black',alpha=0.1) #Confidence intervals
            ax2.clear()
            if ACQUIS==0:
                ax2.fill_between(self.x_acquis.ravel(),np.zeros(len(self.x_acquis)),[(1-x)*(max(self.y_acquis)) for x in infeasibility],color='red',alpha=0.1)
            ax2.fill_between(self.x_acquis.ravel(),np.zeros(len(self.y_acquis)),self.y_acquis,color='green',alpha=0.1)


#%% Index
#Button class for interactive simulation

def create_interface():
    fig = plt.figure()
    ax = fig.add_subplot(231)#Obj
    ax2 = fig.add_subplot(234)#Acquisition
    axg1 = fig.add_subplot(232)#Constraint1
    axg2 = fig.add_subplot(233)#Constraint2

    ax.set_xlim(BOUND_L,BOUND_U)
    ax2.set_xlim(BOUND_L,BOUND_U)
    axg1.set_xlim(BOUND_L,BOUND_U)
    axg2.set_xlim(BOUND_L,BOUND_U)

    callback = Index()
    axnext = plt.axes([0.81, 0.01, 0.05, 0.05])#ButtonPosition
    bnext = Button(axnext, '+')#Button
    bnext.on_clicked(callback.next)#ButtonCallbackset

    return fig,ax,ax2,axg1,axg2,callback,bnext



#%% Functions definition

def mybut(text, dummy, xl, yb, xw=0, yh=0, axisbg=None, color=0.85, fun=None, bspace=0.005):
    """ create axes and populate button with text, automatically adjusting
    xw if not given.  Has a side effect on xl. (button_layout_cursor)
    dummy is for if and when I can place these on an obect rather than using pylab
    """
    if axisbg==None: axisbg='lightgoldenrodyellow'

    global button_layout_cursor
    if xw==0: xw=0.015*(len(text)+1)
    if yh==0: yh=0.05
##    thisax=fig.add_axes([xl, yb, xw, yh], axisbg=axisbg) fundamentally wrong
    thisax=pl.axes([xl, yb, xw, yh], axisbg=axisbg)
    thisbut=Button(thisax, text)
    thisbut.on_clicked(fun)
    button_layout_cursor += xw+bspace
    return(thisbut)

def __init__(self, t, fig, axim, tracker, occ, pt_xz, pt_zy, body, bodies,
                 occultors, interval = 50, gifname = None, xy = None,
                 quiet = False):
        '''

        '''

        self.t = t
        self.fig = fig
        self.axim = axim
        self.tracker = tracker
        self.occ = occ
        self.pt_xz = pt_xz
        self.pt_zy = pt_zy
        self.body = body
        self.bodies = bodies
        self.occultors = occultors
        self.xy = xy
        self.pause = True
        self.animation = animation.FuncAnimation(self.fig, self.animate,
                                                 frames = 100,
                                                 interval = interval,
                                                 repeat = True)

        # Save?
        if gifname is not None:
            self.pause = False
            if not gifname.endswith('.gif'):
                gifname += '.gif'
            if not quiet:
                print("Saving %s..." % gifname)
            self.animation.save(gifname, writer = 'imagemagick',
                                fps = 20, dpi = 150)
            self.pause = True

        # Toggle button
        self.axbutton = pl.axes([0.185, 0.12, 0.1, 0.03])
        self.button = Button(self.axbutton, 'Play', color = 'lightgray')
        self.button.on_clicked(self.toggle)

def draw_empty_plot(self, ax):
        h, = ax.plot([], [], '.', markersize=50)
        self.button = Button(plt.axes([0.7, 0.01, 0.1, 0.05]), 'Zero')
        self.button.on_clicked(self.clicked)
        return h,

def show(self, source):

        """
        This function ...
        :param source:
        :return:
        """

        # Create a plot for the source
        source.plot(title="Is this a " + self.description + "? (" + str(self.processed) + " out of " + str(self.number_of_files) + ")", show=False, scale="log")

        # Set current and previous source
        self.previous_source = self.current_source
        self.current_source = source

        # Axes
        axyes = plt.axes([0.6, 0.05, 0.1, 0.075])
        axno = plt.axes([0.7, 0.05, 0.1, 0.075])
        axunsure = plt.axes([0.8, 0.05, 0.1, 0.075])
        axback = plt.axes([0.1, 0.05, 0.1, 0.075])

        # Buttons
        yes_button = Button(axyes, 'Yes')
        yes_button.on_clicked(self.save_yes)
        no_button = Button(axno, 'No')
        no_button.on_clicked(self.save_no)
        unsure_button = Button(axunsure, 'Unsure')
        unsure_button.on_clicked(self.dont_save)
        back_button = Button(axback, 'Back')
        back_button.on_clicked(self.go_back)

        # Show the plot
        plt.show()

        # Increment the counter
        self.processed += 1

    # -----------------------------------------------------------------

def show(self, source):

        """
        This function ...
        :param source:
        :return:
        """

        # Create a plot for the source
        source.plot(title="Is this a " + self.description + "? (" + str(self.processed) + " out of " + str(self.number_of_files) + ")", show=False, scale="log")

        # Set current and previous source
        self.previous_source = self.current_source
        self.current_source = source

        # Axes
        axyes = plt.axes([0.6, 0.05, 0.1, 0.075])
        axno = plt.axes([0.7, 0.05, 0.1, 0.075])
        axunsure = plt.axes([0.8, 0.05, 0.1, 0.075])
        axback = plt.axes([0.1, 0.05, 0.1, 0.075])

        # Buttons
        yes_button = Button(axyes, 'Yes')
        yes_button.on_clicked(self.save_yes)
        no_button = Button(axno, 'No')
        no_button.on_clicked(self.save_no)
        unsure_button = Button(axunsure, 'Unsure')
        unsure_button.on_clicked(self.dont_save)
        back_button = Button(axback, 'Back')
        back_button.on_clicked(self.go_back)

        # Show the plot
        plt.show()

        # Increment the counter
        self.processed += 1

    # -----------------------------------------------------------------

def _initialize_buttons(self):
        self._buttons = {}
        for key, action in self._actions.iteritems():
            if action.axis_pos is None:
                continue

            button_name = '%s\n(%s)' % (action.name, action.kb)
            if ROS_ENABLED and action.pb:
                ps3_buttons = [config['inverted_ps3_button'][i] for i in action.pb]
                button_name += '\n(%s)' % ',\n'.join(ps3_buttons)

            self._buttons[key] = Button(self._axarr[action.axis_pos], button_name)
            self._buttons[key].on_clicked(action.func)

def _initialize_buttons(self):
        self._buttons = {}
        for key, action in self._actions.iteritems():
            if action.axis_pos is None:
                continue

            button_name = '%s\n(%s)' % (action.name, action.kb)
            if ROS_ENABLED and action.pb:
                ps3_buttons = [config['inverted_ps3_button'][i] for i in action.pb]
                button_name += '\n(%s)' % ',\n'.join(ps3_buttons)

            self._buttons[key] = Button(self._axarr[action.axis_pos], button_name)
            self._buttons[key].on_clicked(action.func)

def updatePlot(self):
        self.ax.clear()
        self.ax.plot(self.x_real,self.y_real)
        self.ax.scatter(self.x_sample,self.y_sample,s=100)       
        self.ax.plot(self.x_pred,self.y_pred)

        self.ax.fill_between(self.x_pred.ravel(),self.y_pred-2*np.sqrt(self.sigma2_pred),self.y_pred+2*np.sqrt(self.sigma2_pred),color='black',alpha=0.1) #Confidence intervals
        ax2.clear()
        ax2.fill_between(self.x_acquis.ravel(),np.zeros(len(self.y_acquis)),self.y_acquis,color='green',alpha=0.1)


#%% Index
#Button class for interactive simulation

def ShotWid():
        """ this simple widget accepts a shot and sets the current one
        It is a function in the IntegerCtl class, so it communicates with
        its vars easily and calls do_shot to update the shot.  THe
        shot pulldown stops working in python (ordinary) after 1
        pulldown?

        """
        global hist_box, select_box, wild_box
#        root=Tix.Tk(className='ShotSelect')  # was here but needs to
#        be in effect before Tix.StringVar() is called
        top = Tix.Frame(root, bd=1, relief=Tix.RAISED)
        hist_box=Tix.ComboBox(top, label="Shot", editable=True, history=True,
                             variable=shot_string, command=do_shot,
                             options='entry.width 8 listbox.height 10 ')
        hist_box.pack(side=Tix.TOP, anchor=Tix.W)
        hist_box.set_silent('33373')
        hist_balloon=Tix.Balloon(top)
        hist_balloon.bind_widget(hist_box, balloonmsg='Choose or enter shot number, valid ones are saved here')

        wild_box=Tix.ComboBox(top, label="Filter", editable=1, history=1,
                             variable=wild_string, command=update_select,
                             options='entry.width 20 listbox.height 5 ')   # allow room for expressions
        wild_box.pack(side=Tix.TOP, anchor=Tix.W)
        wild_balloon=Tix.Balloon(top)
        wild_balloon.bind_widget(wild_box, 
                                 balloonmsg='Choose or enter new filter in one of three forms,' + 
                                 'a Python expression (must have () or []), '+ 
                                 'a directory specification including a * or ' +
                                 'the name of a file containing lines beginning with a shot number. '
                                 'Results can be chosen using "Filtered Shots"')

        select_box=Tix.ComboBox(top, label="Filtered Shots", history=False,
                             variable=select_string, command=do_shot,
                             options='entry.width 8 listbox.height 40 ')
        btn = Tix.Button(select_box, text='Clear',command=clear_select)
        btn.pack(anchor=Tix.CENTER)
        select_box.pack(side=Tix.TOP, anchor=Tix.W)
        select_balloon=Tix.Balloon(top)
        select_balloon.bind_widget(select_box, balloonmsg='pull down to find a shot selected by "Filter""')
        #wild_box.set_silent('MP1')  # not silent - want it all to happen, but setvar doesn't work

        update_select(partial_name=wild_card)

        top.pack(side=Tix.TOP, fill=Tix.BOTH, expand=1)
# no need in pylab provided tkagg is used     root.mainloop()
# in fact, may conflict and block - hard to sort out what blocks and when, why