Python Treeview.parent方法代码示例

# 需要导入模块: from ttk import Treeview [as 别名]
# 或者: from ttk.Treeview import parent [as 别名]
class Display:
    def __init__(self, controller):
        self.controller = controller

        self.currIndex = 0

        # initialize the GUI
        self.app = Tk()
        self.app.title('Jack Magee\'s Pub')

        self.tree = Treeview(self.app, height=30)
        
        # name the tree columns, not sure if they have to be named numbers but that's how the example did it
        self.tree["columns"]=("one", "two", "three", "four")
        
        # set the column widths
        self.tree.column("one", width=200)
        self.tree.column("two", width=300)
        self.tree.column("three", width=200)
        self.tree.column("four", width=200)

        # set the column headings
        self.tree.heading("#0", text= "ID")
        self.tree.heading("one", text="Name")
        self.tree.heading("two", text="Order")
        self.tree.heading("three", text="Price")
        self.tree.heading("four", text="Respond (double-click)")

        self.tree.pack()
        
        # register handler for double-clicks
        self.tree.bind("<Double-1>", self.OnDoubleClick)

    def mainloop(self):
        self.app.mainloop()

    # this is like making tree entries buttons
    def OnDoubleClick(self, event):
        # get the pressed item
        item = self.tree.selection()[0]
        # get the item's text
        response =  self.tree.item(item,"text")

        # this is the only response we are sending for now
        if response == 'rdy':
            # get the parent directory whose text is the customer id
            parent = self.tree.parent(item)
            customer_id = self.tree.item(parent,"text")
            # remove it from the tree
            self.tree.delete(parent)
            # send the message to the customer
            self.controller.send_msg(customer_id, response)

    # add a new order to the tree
    def takeOrder(self, customer_id, name, order, price):
        # just a row identifier
        thisRow = str(self.currIndex)

        # insert the i.d. and name at the top level
        self.tree.insert("", self.currIndex, thisRow, text=customer_id, values=(name, "", "", ""))
        # insert the "button" for sending notification to clients
        self.tree.insert(thisRow, 0, text='rdy', values=("", "", "", "Ready For Pick Up"))

        # this is a hacky solution to get multiline orders to appear because treeviews will 
        # crop anything more than 1 line so I just make a new entry for every line
        multiline_order = order.split('\n')
        this_line = 1
        for line in multiline_order[:-1]:   # exclude the last end line
            if this_line == 1:  # the first line has the name of the order and it's price
                self.tree.insert(thisRow, 1, text="order",values=("", order, price, ""))
            else: # just keep printing the extra options, sides, and add ons
                self.tree.insert(thisRow, this_line, text="order",values=("", line, "", ""))
            this_line += 1

        self.currIndex += 1

# 需要导入模块: from ttk import Treeview [as 别名]
# 或者: from ttk.Treeview import parent [as 别名]

#.........这里部分代码省略.........
        
        b2 = Button(frame, text="Result", width=15, command=lambda: self.create_window())
        b2.grid(row=2, column=2)
        
        
        if self.__status and '--------' in self.__status: self.__finished = False
        else: self.__finished = True
        
        if self.__status and self.__finished:
            ECs.set_analytics()
        
        
        

        
        
        nb.add(frame, text='Analyze', underline=0, padding=2)
        return
    
    def _populate_tree(self, root, lock=None):
        
        if lock: lock.acquire()
        if len(self.tree.get_children(self.tree.get_children())) > 1: 
            for i in self.tree.get_children(self.tree.get_children()): self.tree.delete(i)
        #self.tree.delete(self.tree.get_children())
        status, paths = self.check_calc()
        
        for key in status.keys():
            #print paths[key].lstrip(self.__workdir).split('/')
            self.tree.insert(root, END, text = status[key], values=['text3','text4', paths[key]])
        if lock: lock.release()
        
    
    def _create_treeview(self, parent):
        f = Frame(parent)
        #f.pack(side=TOP, fill=BOTH, expand=Y)
        f.grid(row=0, column=0, sticky=NSEW, columnspan=3)
        
        # create the tree and scrollbars
        self.dataCols = ('fullpath', 'type', 'status')       
        self.tree = Treeview(columns=self.dataCols,
                                 displaycolumns='status')
        
        ysb = Scrollbar(orient=VERTICAL, command= self.tree.yview)
        xsb = Scrollbar(orient=HORIZONTAL, command= self.tree.xview)
        self.tree['yscroll'] = ysb.set
        self.tree['xscroll'] = xsb.set
        
        # setup column headings
        self.tree.heading('#0', text='Directory Structure', anchor=W)
        self.tree.heading('status', text='Status', anchor=W)
        self.tree.column('status', stretch=0, width=100)
        
        # add tree and scrollbars to frame
        self.tree.grid(in_=f, row=0, column=0, sticky=NSEW)
        ysb.grid(in_=f, row=0, column=1, sticky=NS)
        xsb.grid(in_=f, row=1, column=0, sticky=EW)
        
        # set frame resizing priorities
        f.rowconfigure(0, weight=1)
        f.columnconfigure(0, weight=1)
        
        # action to perform when a node is expanded
        self.tree.bind('<<TreeviewOpen>>', self._update_tree)
        
        self.tree.bind("<Double-1>", self.OnDoubleClick)