mirror of https://github.com/python/cpython
122 lines
4.3 KiB
Python
122 lines
4.3 KiB
Python
"""
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Dialog that allows user to specify or edit the parameters for a user configured
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help source.
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"""
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from Tkinter import *
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import tkMessageBox
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import os
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class GetHelpSourceDialog(Toplevel):
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def __init__(self,parent,title,menuItem='',filePath=''):
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"""
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menuItem - string, the menu item to edit, if any
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filePath - string, the help file path to edit, if any
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"""
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Toplevel.__init__(self, parent)
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self.configure(borderwidth=5)
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self.resizable(height=FALSE,width=FALSE)
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self.title(title)
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self.transient(parent)
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self.grab_set()
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self.protocol("WM_DELETE_WINDOW", self.Cancel)
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self.parent = parent
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self.result=None
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self.CreateWidgets()
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self.menu.set(menuItem)
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self.path.set(filePath)
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self.withdraw() #hide while setting geometry
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self.update_idletasks()
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#needs to be done here so that the winfo_reqwidth is valid
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self.geometry("+%d+%d" %
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((parent.winfo_rootx()+((parent.winfo_width()/2)
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-(self.winfo_reqwidth()/2)),
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parent.winfo_rooty()+((parent.winfo_height()/2)
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-(self.winfo_reqheight()/2)) )) ) #centre dialog over parent
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self.deiconify() #geometry set, unhide
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self.wait_window()
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def CreateWidgets(self):
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self.menu=StringVar(self)
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self.path=StringVar(self)
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self.fontSize=StringVar(self)
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self.frameMain = Frame(self,borderwidth=2,relief=SUNKEN)
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self.frameMain.pack(side=TOP,expand=TRUE,fill=BOTH)
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labelMenu=Label(self.frameMain,anchor=W,justify=LEFT,
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text='Menu Item:')
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self.entryMenu=Entry(self.frameMain,textvariable=self.menu,width=30)
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self.entryMenu.focus_set()
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labelPath=Label(self.frameMain,anchor=W,justify=LEFT,
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text='Help File Path:')
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self.entryPath=Entry(self.frameMain,textvariable=self.path,width=40)
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self.entryMenu.focus_set()
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labelMenu.pack(anchor=W,padx=5,pady=3)
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self.entryMenu.pack(anchor=W,padx=5,pady=3)
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labelPath.pack(anchor=W,padx=5,pady=3)
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self.entryPath.pack(anchor=W,padx=5,pady=3)
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frameButtons=Frame(self)
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frameButtons.pack(side=BOTTOM,fill=X)
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self.buttonOk = Button(frameButtons,text='Ok',
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width=8,command=self.Ok)
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self.buttonOk.grid(row=0,column=0,padx=5,pady=5)
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self.buttonCancel = Button(frameButtons,text='Cancel',
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width=8,command=self.Cancel)
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self.buttonCancel.grid(row=0,column=1,padx=5,pady=5)
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def MenuOk(self):
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#simple validity check for a sensible
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#menu item name
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menuOk=1
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menu=self.menu.get()
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menu.strip()
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if not menu: #no menu item specified
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tkMessageBox.showerror(title='Menu Item Error',
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message='No menu item specified.')
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self.entryMenu.focus_set()
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menuOk=0
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elif len(menu)>30: #menu item name too long
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tkMessageBox.showerror(title='Menu Item Error',
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message='Menu item too long. It should be no more '+
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'than 30 characters.')
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self.entryMenu.focus_set()
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menuOk=0
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return menuOk
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def PathOk(self):
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#simple validity check for menu file path
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pathOk=1
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path=self.path.get()
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path.strip()
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if not path: #no path specified
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tkMessageBox.showerror(title='File Path Error',
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message='No help file path specified.')
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self.entryPath.focus_set()
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pathOk=0
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elif not os.path.exists(path):
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tkMessageBox.showerror(title='File Path Error',
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message='Help file path does not exist.')
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self.entryPath.focus_set()
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pathOk=0
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return pathOk
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def Ok(self, event=None):
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if self.MenuOk():
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if self.PathOk():
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self.result=( self.menu.get().strip(),self.path.get().strip() )
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self.destroy()
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def Cancel(self, event=None):
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self.result=None
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self.destroy()
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if __name__ == '__main__':
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#test the dialog
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root=Tk()
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def run():
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keySeq=''
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dlg=GetHelpSourceDialog(root,'Get Help Source')
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print dlg.result
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Button(root,text='Dialog',command=run).pack()
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root.mainloop()
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