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			121 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			121 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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| 
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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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| 
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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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| 
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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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|     
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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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|             
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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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|         
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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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| 
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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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|     
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|  
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