python中的factory method 模式

下图是一个概况图，根据这个图生成代码：


代码清单1：editable.py
class Editable:
  """ 个人信息用户界面的公共接口 """
  # 获得个人信息编辑界面
  def getEditor(self):
    pass

代码清单2：editor.py
class Editor:
  """ 用户使用特定的Editor来编辑个人信息 """
  # 获取代表用户界面（UI）的对象
  def getUI(self):
    pass
  
  # 获取用户输入的数据
  def getContent(self):
    pass
  # 提交用户输入的数据
  def commitChanges(self):
    pass
    
  # 清空用户输入的数据
  def resetUI(self):
    pass

代码清单3：editableaddress.py
from editor import Editor
from editable import Editable
import Tkinter
class EditableAddress(Editable):
  """ 用于处理个人地址信息的Editable """
  
  # 构造函数
  def __init__(self, master):
    self.master = master
    self.name = ""
    self.province = ""
    self.city = ""
    self.street = ""
    self.zipcode = ""
    self.editor = AddressEditor(self)
    
  # 获取相关联的Editor
  def getEditor(self):
    return self.editor
  
  
class AddressEditor(Editor, Tkinter.Frame):
  """ 用于处理个人地址信息的Editor """
  
  # 构造函数
  def __init__(self, owner):
    Tkinter.Frame.__init__(self, owner.master)
    self.owner = owner
    self.name = Tkinter.StringVar()
    self.province = Tkinter.StringVar()
    self.city = Tkinter.StringVar()
    self.street = Tkinter.StringVar()
    self.zipcode = Tkinter.StringVar()
    self.createWidgets()
   
  # 构造用户界面
  def createWidgets(self):
    # 姓名
    nameFrame = Tkinter.Frame(self)
    nameLabel = Tkinter.Label(nameFrame, text="Name:")
    nameEntry = Tkinter.Entry(nameFrame, textvariable=self.name)
    nameLabel.config(anchor=Tkinter.E, width=8, pady=3)
    nameLabel.pack(side=Tkinter.LEFT)
    nameEntry.pack(side=Tkinter.LEFT)
    nameFrame.pack()
    
    # 省份
    provinceFrame = Tkinter.Frame(self)
    provinceLabel = Tkinter.Label(provinceFrame, text="Province:")
    provinceEntry = Tkinter.Entry(provinceFrame, textvariable=self.province)
    provinceLabel.config(anchor=Tkinter.E, width=8, pady=3)
    provinceLabel.pack(side=Tkinter.LEFT)
    provinceEntry.pack(side=Tkinter.LEFT)
    provinceFrame.pack()
    # 城市
    cityFrame = Tkinter.Frame(self)
    cityLabel = Tkinter.Label(cityFrame, text="City:")
    cityEntry = Tkinter.Entry(cityFrame, textvariable=self.city)
    cityLabel.config(anchor=Tkinter.E, width=8, pady=3)
    cityLabel.pack(side=Tkinter.LEFT)
    cityEntry.pack(side=Tkinter.LEFT)
    cityFrame.pack()
    
    # 街道
    streetFrame = Tkinter.Frame(self)
    streetLabel = Tkinter.Label(streetFrame, text="Street:")
    streetEntry = Tkinter.Entry(streetFrame, textvariable=self.street)
    streetLabel.config(anchor=Tkinter.E, width=8, pady=3)
    streetLabel.pack(side=Tkinter.LEFT)
    streetEntry.pack(side=Tkinter.LEFT)
    streetFrame.pack()
    
    # 邮编
    zipcodeFrame = Tkinter.Frame(self)
    zipcodeLabel = Tkinter.Label(zipcodeFrame, text="ZIP Code:")
    zipcodeEntry = Tkinter.Entry(zipcodeFrame, textvariable=self.zipcode)
    zipcodeLabel.config(anchor=Tkinter.E, width=8, pady=3)
    zipcodeLabel.pack(side=Tkinter.LEFT)
    zipcodeEntry.pack(side=Tkinter.LEFT)
    zipcodeFrame.pack()
    
  # 重载Editor中的方法，获取代表用户界面（UI）的对象
  def getUI(self):
    return self
  
  # 重载Editor中的方法，获取用户输入的数据
  def getContent(self):
    content  = "    Name: " + self.name.get() + "\n"
    content += "Province: " + self.province.get() + "\n" 
    content += "    City: " + self.city.get() + "\n" 
    content += "  Street: " + self.street.get() + "\n" 
    content += "ZIP Code: " + self.zipcode.get()
    return content
  
  # 重载Editor中的方法，提交用户输入的数据
  def commitChanges(self):
    self.owner.name = self.name.get()
    self.owner.province = self.province.get()
    self.owner.city = self.city.get()
    self.owner.street = self.street.get()
    self.owner.zipcode = self.zipcode.get()
  # 重载Editor中的方法，清空用户输入的数据
  def resetUI(self):
    self.name.set("")
    self.province.set("")
    self.city.set("")
    self.street.set("")
    self.zipcode.set("") 

代码清单5：editablefactory.py
class EditableFactory:
  """ 用于创建Editable的工厂类 """
  
  #  实例化Editable对象
  def createEditable(self, master):
    pass

代码清单6：editableaddressfactory.py
from editablefactory import EditableFactory
from editableaddress import EditableAddress
class EditableAddressFactory(EditableFactory):
  """ 用于创建EditableAddress的工厂类 """
  
  # 重载EditableFactory中的方法，实例化EditableAddress对象
  def createEditable(self, master):
    address = EditableAddress(master)
    return address
代码清单7：editablephonefactory.py
from editablefactory import EditableFactory
from editablephone import EditablePhone
class EditablePhoneFactory(EditableFactory):
  """ 用于创建EditablePhone的工厂类 """
  
  # 重载EditableFactory中的方法，实例化EditablePhone对象
  def createEditable(self, master):
    phone = EditablePhone(master)
    return phone
代码清单8：pim.py
from editablephone import EditablePhone
from editableaddressfactory import EditableAddressFactory
from editablephonefactory import EditablePhoneFactory
import Tkinter
class PIM:
  """ 个人信息管理 """
  
  # 构造函数
  def __init__(self):
    mainFrame = Tkinter.Frame()    
    mainFrame.master.title("PIM")
    # 命令按钮
    addressButton = Tkinter.Button(mainFrame, width=10, text="Address")
    phoneButton = Tkinter.Button(mainFrame, width=10, text="Phone")
    commitButton = Tkinter.Button(mainFrame, width=10, text="Commit")    
    resetButton = Tkinter.Button(mainFrame, width=10, text="Reset")        
    addressButton.config(command=self.addressClicked)
    phoneButton.config(command=self.phoneClicked)    
    commitButton.config(command=self.commitClicked)        
    resetButton.config(command=self.resetClicked)        
    addressButton.grid(row=0, column=1, padx=10, pady=5, stick=Tkinter.E)
    phoneButton.grid(row=1, column=1, padx=10, pady=5, stick=Tkinter.E)
    commitButton.grid(row=2, column=1, padx=10, pady=5, stick=Tkinter.E)
    resetButton.grid(row=3, column=1, padx=10, pady=5, stick=Tkinter.E)
    
	# 用来容纳各类Editor的容器
    self.editorFrame = Tkinter.Frame(mainFrame)
    self.editorFrame.grid(row=0, column=0, rowspan=4)
    self.editorFrame.grid_configure(stick=Tkinter.N, pady=15)
    self.editor = Tkinter.Frame(self.editorFrame)
    self.editor.grid()
    
	# 个人信息显示区域
    self.content = Tkinter.StringVar()
    self.contentLabel = Tkinter.Label(mainFrame, width=50, height=5)
    self.contentLabel.configure(textvariable=self.content)
    self.contentLabel.configure(anchor=Tkinter.W, font="Arial 10 italic bold")
    self.contentLabel.configure(relief=Tkinter.RIDGE, pady=5, padx=10)
    self.contentLabel.grid(row=4, column=0, columnspan=2)
    
    mainFrame.pack()
    mainFrame.mainloop()
    
  # Address按钮的回调函数
  def addressClicked(self):
    address = EditableAddressFactory().createEditable(self.editorFrame)
    self.editor.grid_remove()
    self.editor = address.getEditor()
    self.editor.getUI().grid()
  # Phone按钮的回调函数
  def phoneClicked(self):
    phone = EditablePhoneFactory().createEditable(self.editorFrame)
    self.editor.grid_remove()
    self.editor = phone.getEditor()
    self.editor.getUI().grid()
    
  # Commit按钮的回调函数
  def commitClicked(self):
    content = self.editor.getContent()
    self.content.set(content)
  
  # Reset按钮的回调函数
  def resetClicked(self):
    self.editor.resetUI()
    
# 主函数
if (__name__ == "__main__"):
  app = PIM()