diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | combox/gui.py | 104 |
2 files changed, 105 insertions, 3 deletions
@@ -1,5 +1,9 @@ 2015-12-03 Siddharth Ravikumar <sravik@bgsu.edu> + * combox/gui.py: input validation kinda done + added status bar. + +2015-12-03 Siddharth Ravikumar <sravik@bgsu.edu> + commit 952906378f80 * combox/gui.py: added "re-enter passphrase" field + validation for it. diff --git a/combox/gui.py b/combox/gui.py index f196e37..b6e9eab 100644 --- a/combox/gui.py +++ b/combox/gui.py @@ -45,6 +45,7 @@ class ComboxConfigDialog(object): self.body_frame.pack(padx=5, pady=5, fill=BOTH) self.buttonbox() + self.statusbar() # init. lists to store fields related to "node information". self.node_path_labels = [] @@ -121,6 +122,42 @@ class ComboxConfigDialog(object): return self.cb_name_entry # initial focus + # + # status bar methods start + # + # adapted from: + # http://effbot.org/tkinterbook/tkinter-application-windows.htm + def statusbar(self): + """ + Init status bar. + """ + # status bar + box = Frame(self.root) + box.pack(fill=BOTH) + + self.status_bar = Label(box, bd=1, relief=SUNKEN, anchor=W) + self.status_bar.pack(fill=X) + + + def status_bar_set(self, format, *args): + """ + Set status bar text. + """ + self.status_bar.config(text=format % args) + self.status_bar.update_idletasks() + + + def status_bar_clear(self): + """ + Clear status bar text. + """ + self.status_bar.config(text="") + self.status_bar.update_idletasks() + + # + # status bar methods end + + def buttonbox(self): # add standard button box. override if you don't want the # standard buttons @@ -144,7 +181,6 @@ class ComboxConfigDialog(object): def ok(self, event=None): if not self.validate(): - self.root.initial_focus.focus_set() # put focus back return self.root.withdraw() @@ -175,7 +211,65 @@ class ComboxConfigDialog(object): def validate(self): - return 1 # override + """ + Validates the inputs. + """ + + if not self.cb_name_entry.get(): + self.status_bar_set("%s", "give this combox a name") + self.cb_name_entry.focus_set() + return False + elif not self.cb_dir_entry.get(): + self.status_bar_set("%s", "give the path to combox directory") + self.cb_dir_entry.focus_set() + return False + elif not self.validate_passphrase(): + return False + elif self.validate_passphrase(): + # ok, check if passphrase is empty. + if not self.cb_pp_entry.get(): + self.status_bar_set("%s", "give a passphrase") + self.cb_pp_entry.focus_set() + return False + + # validate node information + try: + int(self.cb_no_nodes_entry.get()) + except ValueError: + self.status_bar_set("%s", "Oops! You got to enter a number") + self.cb_no_nodes_entry.focus_set() + return False + + no_nodes = int(self.cb_no_nodes_entry.get()) + if no_nodes < 2: + self.status_bar_set("%s", "no. of nodes must be > 2") + self.cb_no_nodes_entry.focus_set() + return False + + # validate node paths + for i in xrange(len(self.node_path_entries)): + if not self.node_path_entries[i].get(): + self.status_bar_set("%s %d", "give the path for node", i) + self.node_path_entries[i].focus_set() + return False + + # validate node sizes + for i in xrange(len(self.node_size_entries)): + if not self.node_size_entries[i].get(): + self.status_bar_set("%s %d", "give the size of node", i) + self.node_size_entries[i].focus_set() + return False + + # check if it is a number. + try: + int(self.node_size_entries[i].get()) + except ValueError: + self.status_bar_set("%s %d %s", "the size of node", i, + "must be a number") + self.node_size_entries[i].focus_set() + return False + + return True def apply(self): @@ -252,9 +346,13 @@ class ComboxConfigDialog(object): try: no_nodes = int(no_nodes_str) except ValueError: - print "Oops! You got to enter a number in here." + self.status_bar_set("%s", "Oops! You got to enter a number") + self.cb_no_nodes_entry.focus_set() return + # clear status bar + self.status_bar_clear() + # last occupied row number in self.body_frame. last_occ_row = 4 if self.node_path_labels: |