# # $Id: gui.py,v 1.23 2005/06/05 20:29:52 pj Exp $ # from Tkinter import * from tkFileDialog import * from FileDialog import * import os, os.path, sys, galleries, functions, Queue, copy props = None class Gui(Frame): def __init__(self, requestqueue, resultqueue, xProps=None): Frame.__init__(self) global props props = xProps self.requestqueue = requestqueue self.resultqueue = resultqueue self.worker = galleries.Galleries(requestqueue, resultqueue, props) self.pack(expand=YES, fill=BOTH) self.master.title("gallery2.py") self.master.iconname("gallery2.py") self.storedMessages = [] self.listeners = {} # mappings to program options self.title = StringVar() self.columns = StringVar() self.fullsize = StringVar() self.recursion = StringVar() self.sourcedir = StringVar() self.destdir = StringVar() self.status = StringVar() #widget references self.wTitle = None #implemented self.wColumns = None self.wFullsize = None self.wRecursion = None self.wSourcedir = None self.wSestdir = None self.wStatus = None self.createWidgets() def createWidgets(self): # title self.label(self, "Title:", LEFT).grid(row=0, column=0, sticky=W, padx=3, pady=4) self.wTitle = Entry(self, width=40, textvariable=self.title) if props["title"] is not None: self.title.set(props["title"]) self.wTitle.grid(row=0, column=1, sticky=W, padx=3, pady=2) self.addlistener("recursion", "changed", self.lisTitle) # columns self.label(self, "# columns:", LEFT).grid(row=1, column=0, sticky=W, padx=3, pady=2) self.entry(self, 2, self.columns, props["columns"], LEFT, NONE).grid(row=1, column=1, sticky=W, padx=3, pady=2) fsize = 0 if props["fullsize"] == "Yes": fsize = 1 # fullsize self.checkbutton(self, LEFT, self.fullsize, fsize, "Include fullsize pictures").grid(row=2, column=1, sticky=W, padx=0, pady=2) # recursion self.checkbutton(self, LEFT, self.recursion, int(props["recurse"]), "Recurse through directory structure", self.recurseCallback).grid(row=3, column=1, sticky=W, padx=0, pady=2) self.recurseCallback() # source directory self.label(self, "Source dir:", LEFT).grid(row=4, column=0, sticky=W, padx=3, pady=2) self.entry(self, 40, self.sourcedir, props["sourcedir"], LEFT).grid(row=4, column=1, sticky=W, padx=3, pady=1) self.button(self, LEFT, "Find dir", self.findSourceDir).grid(row=4, column=2, sticky=W, padx=3, pady=2) # destination directory self.label(self, "Destination dir:", LEFT).grid(row=5, column=0, sticky=W, padx=3, pady=2) self.entry(self, 40, self.destdir, props["baseDestinationDir"], LEFT).grid(row=5, column=1, sticky=W, padx=3, pady=2) self.button(self, LEFT, "Find dir", self.findDestDir).grid(row=5, column=2, sticky=W, padx=3, pady=2) self.frame = self.getFrame(self) # Buttons self.button(self.frame, LEFT, "Create gallery", self.createGallery).grid(row=0, column=0, padx=3, pady=2) self.button(self.frame, LEFT, "Messages", self.displaybox).grid(row=0, column=1, padx=3, pady=2) self.button(self.frame, LEFT, "Quit", self.quit).grid(row=0, column=2, padx=3, pady=2) self.frame.grid(row=6, column=0, columnspan=2, sticky=W) # status line self.wStatus = Entry(self, width=67, textvariable=self.status) self.wStatus.grid(row=7, column=0, columnspan=3, sticky=W, padx=3, pady=2) self.wStatus.configure(state=NORMAL, fg="black", bg="lightgray") #-------------------------------------------------------- # Widget callbacks #-------------------------------------------------------- def findSourceDir(self): dir = None dir = askdirectory(initialdir=self.sourcedir.get(),mustexist=1) if dir != None and len(dir) != 0: self.sourcedir.set(dir.encode("ISO-8859-1")) def findDestDir(self): dir = None dir = askdirectory(initialdir=self.destdir.get(), mustexist=1) if dir != None and len(dir) != 0: self.destdir.set(dir.encode("ISO-8859-1")) def recurseCallback(self): "is called when recursion checkbutton is pressed" message = { "state" : int(self.recursion.get()) } self.broadcast("recursion", "changed", message) def createGallery(self): """User activated Create button, do the gallery""" global props if len(self.title.get()) > 0: props["title"] = self.title.get() props["columns"] = int(self.columns.get()) if self.fullsize.get() == "1": props["fullsize"] = "Yes" else: props["fullsize"] = 0 props["recurse"] = int(self.recursion.get()) props["sourcedir"] = self.sourcedir.get() props["baseDestinationDir"] = self.destdir.get() props["forcecreate"] = 1 requestID = self.worker.perform() self.requestqueue.put((requestID, props)) self.status.set("Job no '%s' put in queue for processing" % requestID) self.after(300, self.displayResultqueue) def displayResultqueue(self): """ Grap items from resultqueue and display appropriate messages in status bar Store messages for later display in separatre window, don't store messages of type status_working """ try: (requestID, msg, status) = self.resultqueue.get_nowait() m = None if status == functions.status_working: m = "JOB[%s]: INFO: working: %s"% (requestID, msg) elif status == functions.status_finished_ok: m = "JOB[%s]: INFO: completed successfully."% requestID elif status == functions.status_finished: m = "JOB[%s]: INFO: %s" % (requestID,msg) elif status == functions.status_info: m = "JOB[%s]: INFO: %s" % (requestID,msg) elif status == functions.status_error: m = "JOB[%s]: ERROR: %s" % (requestID,msg) if status != functions.status_working: self.storedMessages.append(m) if m: self.status.set(m) except Queue.Empty: requestID=None msg=None status=None self.after(300, self.displayResultqueue) # look for queue messeage in 300 milli secs """ # Defined listeners Listener item action message ------------------------------------------------------------------ lisTitle() 'recursion' 'changed' 'state': 0 or 1 """ #-------------------------------------------------- # Listeners #-------------------------------------------------- def lisTitle(self, message): """change title state according to recursion button. As it does not make sense to have a single title when recursing, the interface reflects that. Message is a dict, key is 'state', values: 0 or 1""" if message["state"] == 0: self.wTitle.configure(state=NORMAL, fg="black") self.status.set("Title field enabled") else: self.wTitle.configure(state=DISABLED, fg="white") self.status.set("Title field disabled") #---------------------------------- # Publish / subscribe #---------------------------------- def addlistener(self, item, action, listener): """Register a listener for a given event. Callback method will be executed given a dictionary with event information Example: item='recursion', action='changed', listerner=self.configureTitleEntry""" if not self.listeners.has_key((item, action)): self.listeners[(item,action)] = [] self.listeners[(item,action)].append(listener) def broadcast(self, item, action, message): """Broadcast a message to listeners who have registered an interest in (item, action) message is a dictionary""" for listener in self.listeners[(item,action)]: listener(message) # ---------------------------------------- # Widget generators # ---------------------------------------- def getFrame(self, root, anchor=W): w = Frame(root) w.place(anchor=anchor) return w def button(self, root, side, text, command=None): w = Button(root, text=text, command=command) w.pack(side=side, expand=NO, fill=NONE) return w def label(self, root, text, side): w = Label(root, text=text,justify=LEFT) w.pack(side=side) return w def checkbutton(self, root, side, variable, value, text, command=None): w = Checkbutton(root, text=text, variable=variable, command=command) variable.set(value) w.pack(side=side) return w def entry(self, root,width, variable, text, side, fill=BOTH, command=None): w = Entry(root, width=width, textvariable=variable, command=command) variable.set(text) w.pack(side=side, expand=YES, fill=fill, anchor=W) return w def displaybox(self): """window showing messages""" root = Tk() frame = Frame(root) text = Text(frame, width=70, height=8, highlightthickness=2) scroll = Scrollbar(frame, command=text.yview) text.configure(yscrollcommand=scroll.set) for i in xrange(len(self.storedMessages)-1, 0, -1): text.insert(END, "%s\n" % self.storedMessages[i]) if len(self.storedMessages)>0: text.insert(END, "%s\n" % self.storedMessages[0]) text.pack(side=LEFT, fill=BOTH, expand=YES) scroll.pack(side=RIGHT, fill=Y) frame.pack(fill=BOTH, expand=YES) frame.master.title("gallery2.py messages") root.mainloop() if __name__ == '__main__': Gui().mainloop()