| "Dialog to specify or edit the parameters for a user configured help source." |
| |
| import os |
| import sys |
| |
| from Tkinter import * |
| import tkMessageBox |
| import 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() |
