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			119 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			119 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.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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