JezK
Edit File: configHelpSourceEdit.py
"Dialog to specify or edit the parameters for a user configured help source." import os import sys from tkinter import * import tkinter.messagebox as tkMessageBox import tkinter.filedialog as tkFileDialog class GetHelpSourceDialog(Toplevel): def __init__(self, parent, title, menuItem='', filePath=''): """Get menu entry and url/ local file location for Additional Help User selects a name for the Help resource and provides a web url or a local file as its source. The user can enter a url or browse for the file. """ Toplevel.__init__(self, parent) self.configure(borderwidth=5) self.resizable(height=FALSE, width=FALSE) self.title(title) self.transient(parent) self.grab_set() self.protocol("WM_DELETE_WINDOW", self.Cancel) self.parent = parent self.result = None self.CreateWidgets() self.menu.set(menuItem) self.path.set(filePath) self.withdraw() #hide while setting geometry #needs to be done here so that the winfo_reqwidth is valid self.update_idletasks() #centre dialog over parent: self.geometry("+%d+%d" % ((parent.winfo_rootx() + ((parent.winfo_width()/2) -(self.winfo_reqwidth()/2)), parent.winfo_rooty() + ((parent.winfo_height()/2) -(self.winfo_reqheight()/2))))) self.deiconify() #geometry set, unhide self.bind('<Return>', self.Ok) self.wait_window() def CreateWidgets(self): self.menu = StringVar(self) self.path = StringVar(self) self.fontSize = StringVar(self) self.frameMain = Frame(self, borderwidth=2, relief=GROOVE) self.frameMain.pack(side=TOP, expand=TRUE, fill=BOTH) labelMenu = Label(self.frameMain, anchor=W, justify=LEFT, text='Menu Item:') self.entryMenu = Entry(self.frameMain, textvariable=self.menu, width=30) self.entryMenu.focus_set() labelPath = Label(self.frameMain, anchor=W, justify=LEFT, text='Help File Path: Enter URL or browse for file') self.entryPath = Entry(self.frameMain, textvariable=self.path, width=40) self.entryMenu.focus_set() labelMenu.pack(anchor=W, padx=5, pady=3) self.entryMenu.pack(anchor=W, padx=5, pady=3) labelPath.pack(anchor=W, padx=5, pady=3) self.entryPath.pack(anchor=W, padx=5, pady=3) browseButton = Button(self.frameMain, text='Browse', width=8, command=self.browseFile) browseButton.pack(pady=3) frameButtons = Frame(self) frameButtons.pack(side=BOTTOM, fill=X) self.buttonOk = Button(frameButtons, text='OK', width=8, default=ACTIVE, command=self.Ok) self.buttonOk.grid(row=0, column=0, padx=5,pady=5) self.buttonCancel = Button(frameButtons, text='Cancel', width=8, command=self.Cancel) self.buttonCancel.grid(row=0, column=1, padx=5, pady=5) def browseFile(self): filetypes = [ ("HTML Files", "*.htm *.html", "TEXT"), ("PDF Files", "*.pdf", "TEXT"), ("Windows Help Files", "*.chm"), ("Text Files", "*.txt", "TEXT"), ("All Files", "*")] path = self.path.get() if path: dir, base = os.path.split(path) else: base = None if sys.platform[:3] == 'win': dir = os.path.join(os.path.dirname(sys.executable), 'Doc') if not os.path.isdir(dir): dir = os.getcwd() else: dir = os.getcwd() opendialog = tkFileDialog.Open(parent=self, filetypes=filetypes) file = opendialog.show(initialdir=dir, initialfile=base) if file: self.path.set(file) def MenuOk(self): "Simple validity check for a sensible menu item name" menuOk = True menu = self.menu.get() menu.strip() if not menu: tkMessageBox.showerror(title='Menu Item Error', message='No menu item specified', parent=self) self.entryMenu.focus_set() menuOk = False elif len(menu) > 30: tkMessageBox.showerror(title='Menu Item Error', message='Menu item too long:' '\nLimit 30 characters.', parent=self) self.entryMenu.focus_set() menuOk = False return menuOk def PathOk(self): "Simple validity check for menu file path" pathOk = True path = self.path.get() path.strip() if not path: #no path specified tkMessageBox.showerror(title='File Path Error', message='No help file path specified.', parent=self) self.entryPath.focus_set() pathOk = False elif path.startswith(('www.', 'http')): pass else: if path[:5] == 'file:': path = path[5:] if not os.path.exists(path): tkMessageBox.showerror(title='File Path Error', message='Help file path does not exist.', parent=self) self.entryPath.focus_set() pathOk = False return pathOk def Ok(self, event=None): if self.MenuOk() and self.PathOk(): self.result = (self.menu.get().strip(), self.path.get().strip()) if sys.platform == 'darwin': path = self.result[1] if path.startswith(('www', 'file:', 'http:')): pass else: # Mac Safari insists on using the URI form for local files self.result = list(self.result) self.result[1] = "file://" + path self.destroy() def Cancel(self, event=None): self.result = None self.destroy() if __name__ == '__main__': #test the dialog root = Tk() def run(): keySeq = '' dlg = GetHelpSourceDialog(root, 'Get Help Source') print(dlg.result) Button(root,text='Dialog', command=run).pack() root.mainloop()