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170 lines
6.5 KiB
170 lines
6.5 KiB
4 months ago
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"Dialog to specify or edit the parameters for a user configured help source."
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import os
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import sys
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from Tkinter import *
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import tkMessageBox
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import tkFileDialog
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class GetHelpSourceDialog(Toplevel):
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def __init__(self, parent, title, menuItem='', filePath=''):
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"""Get menu entry and url/ local file location for Additional Help
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User selects a name for the Help resource and provides a web url
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or a local file as its source. The user can enter a url or browse
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for the file.
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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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#needs to be done here so that the winfo_reqwidth is valid
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self.update_idletasks()
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#centre dialog over parent:
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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)))))
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self.deiconify() #geometry set, unhide
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self.bind('<Return>', self.Ok)
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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=GROOVE)
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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,
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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: Enter URL or browse for file')
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self.entryPath = Entry(self.frameMain, textvariable=self.path,
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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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browseButton = Button(self.frameMain, text='Browse', width=8,
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command=self.browseFile)
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browseButton.pack(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, default=ACTIVE, 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 browseFile(self):
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filetypes = [
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("HTML Files", "*.htm *.html", "TEXT"),
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("PDF Files", "*.pdf", "TEXT"),
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("Windows Help Files", "*.chm"),
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("Text Files", "*.txt", "TEXT"),
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("All Files", "*")]
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path = self.path.get()
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if path:
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dir, base = os.path.split(path)
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else:
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base = None
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if sys.platform[:3] == 'win':
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dir = os.path.join(os.path.dirname(sys.executable), 'Doc')
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if not os.path.isdir(dir):
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dir = os.getcwd()
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else:
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dir = os.getcwd()
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opendialog = tkFileDialog.Open(parent=self, filetypes=filetypes)
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file = opendialog.show(initialdir=dir, initialfile=base)
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if file:
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self.path.set(file)
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def MenuOk(self):
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"Simple validity check for a sensible menu item name"
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menuOk = True
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menu = self.menu.get()
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menu.strip()
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if not menu:
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tkMessageBox.showerror(title='Menu Item Error',
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message='No menu item specified',
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parent=self)
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self.entryMenu.focus_set()
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menuOk = False
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elif len(menu) > 30:
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tkMessageBox.showerror(title='Menu Item Error',
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message='Menu item too long:'
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'\nLimit 30 characters.',
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parent=self)
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self.entryMenu.focus_set()
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menuOk = False
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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 = True
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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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parent=self)
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self.entryPath.focus_set()
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pathOk = False
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elif path.startswith(('www.', 'http')):
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pass
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else:
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if path[:5] == 'file:':
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path = path[5:]
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if 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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parent=self)
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self.entryPath.focus_set()
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pathOk = False
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return pathOk
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def Ok(self, event=None):
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if self.MenuOk() and self.PathOk():
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self.result = (self.menu.get().strip(),
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self.path.get().strip())
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if sys.platform == 'darwin':
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path = self.result[1]
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if path.startswith(('www', 'file:', 'http:')):
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pass
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else:
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# Mac Safari insists on using the URI form for local files
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self.result = list(self.result)
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self.result[1] = "file://" + path
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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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