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#!/usr/bin/env python
# Test GUI for 'PyUseCase'. Illustrates use of
# (a) simple signal connection, as in buttons
# (b) text entries and
# (c) the shortcut bar
# (d) menus
# (e) notebooks
import gtk, gobject
class VideoStore:
def __init__(self):
self.model = gtk.ListStore(gobject.TYPE_STRING)
self.nameEntry = gtk.Entry()
self.nameEntry.set_name("Movie Name")
self.buttons = []
def createTopWindow(self):
# Create toplevel window to show it all.
win = gtk.Window(gtk.WINDOW_TOPLEVEL)
win.set_title("The Video Store")
win.connect("delete_event", self.quit)
vbox = self.createWindowContents()
win.add(vbox)
win.show()
win.resize(self.getWindowWidth(), self.getWindowHeight())
return win
def createWindowContents(self):
vbox = gtk.VBox()
vbox.pack_start(self.getMenuBar(), expand=False, fill=False)
vbox.pack_start(self.getTaskBar(), expand=False, fill=False)
vbox.pack_start(self.getNotebook(), expand=True, fill=True)
try:
from usecase import createShortcutBar
shortcutBar = createShortcutBar()
if shortcutBar:
vbox.pack_start(shortcutBar, expand=False, fill=False)
shortcutBar.show()
except ImportError:
pass
vbox.show()
return vbox
def getMenuBar(self):
addItem = gtk.MenuItem("Add")
deleteItem = gtk.MenuItem("Delete")
sortItem = gtk.MenuItem("Sort")
clearItem = gtk.MenuItem("Clear")
buttonsItem = gtk.CheckMenuItem("Show buttons")
buttons2Item = gtk.CheckMenuItem("Enable buttons")
sepItem = gtk.SeparatorMenuItem() # Works?
quitItem = gtk.MenuItem("Quit")
buttonsItem.set_active(True)
buttons2Item.set_active(True)
actionsSubMenu = gtk.Menu()
actionsSubMenu.append(addItem)
actionsSubMenu.append(deleteItem)
actionsSubMenu.append(sortItem)
actionsSubMenu.append(clearItem)
actionsItem = gtk.MenuItem("Actions")
actionsItem.set_submenu(actionsSubMenu)
fileMenu = gtk.Menu()
fileMenu.append(actionsItem)
fileMenu.append(buttonsItem)
fileMenu.append(buttons2Item)
fileMenu.append(quitItem)
fileItem = gtk.MenuItem("File")
fileItem.set_submenu(fileMenu)
addItem.connect("activate", self.addMovie, self.nameEntry)
deleteItem.connect("activate", self.deleteMovie, self.nameEntry)
sortItem.connect("activate", self.sortMovies)
clearItem.connect("activate", self.clearMovies)
buttonsItem.connect("activate", self.hideButtons)
buttons2Item.connect("activate", self.enableButtons)
quitItem.connect("activate", self.quit)
menuBar = gtk.MenuBar()
menuBar.append(fileItem)
menuBar.show_all()
return menuBar
def getTaskBar(self):
taskBar = gtk.HBox()
label = gtk.Label("New Movie Name ")
self.nameEntry.connect("activate", self.addMovie, self.nameEntry)
button = gtk.Button()
button.set_label("Add")
button.connect("clicked", self.addMovie, self.nameEntry)
deleteButton = gtk.Button()
deleteButton.set_label("Delete")
deleteButton.connect("clicked", self.deleteMovie, self.nameEntry)
sortButton = gtk.Button()
sortButton.set_label("Sort")
sortButton.connect("clicked", self.sortMovies)
clearButton = gtk.Button()
clearButton.set_label("Clear")
clearButton.set_property("sensitive", False)
clearButton.connect("clicked", self.clearMovies)
# Place buttons
taskBar.pack_start(label, expand=False, fill=True)
taskBar.pack_start(self.nameEntry, expand=True, fill=True)
taskBar.pack_start(button, expand=False, fill=False)
taskBar.pack_start(deleteButton, expand=False, fill=False)
taskBar.pack_start(sortButton, expand=False, fill=False)
taskBar.pack_start(clearButton, expand=False, fill=False)
# Store buttons, to be able to hide/disable them later
self.buttons.append(button)
self.buttons.append(deleteButton)
self.buttons.append(sortButton)
self.buttons.append(clearButton)
taskBar.show_all()
return taskBar
def getNotebook(self):
notebook = gtk.Notebook()
notebook.append_page(self.getTextView(), gtk.Label("text info"))
notebook.append_page(self.getVideoView(), gtk.Label("video view"))
notebook.show()
notebook.set_current_page(1)
return notebook
def getVideoView(self):
view = gtk.TreeView(self.model)
view.set_name("Movie Tree")
renderer = gtk.CellRendererText()
column = gtk.TreeViewColumn("Movie Name", renderer, text=0)
view.append_column(column)
view.expand_all()
view.show()
# Create scrollbars around the view.
scrolled = gtk.ScrolledWindow()
scrolled.add(view)
scrolled.show()
return scrolled
def getTextView(self):
textview = gtk.TextView()
textbuffer = textview.get_buffer()
textbuffer.set_text("This is the Video Store, an example program for PyUseCase")
textview.show()
return textview
def hideButtons(self, item):
if item.get_active():
for b in self.buttons:
b.show()
else:
for b in self.buttons:
b.hide()
def enableButtons(self, item):
if item.get_active():
for b in self.buttons:
b.set_sensitive(True)
else:
for b in self.buttons:
b.set_sensitive(False)
def getWindowHeight(self):
return (gtk.gdk.screen_height() * 2) / 5
def getWindowWidth(self):
return (gtk.gdk.screen_width()) / 5
def run(self):
# We've got everything and are ready to go
topWindow = self.createTopWindow()
gtk.main()
def addMovie(self, button, entry, *args):
movieName = entry.get_text()
if not movieName in self.getMovieNames():
self.model.append([ movieName ])
else:
self.showError("Movie '" + movieName + "' has already been added")
def deleteMovie(self, button, entry, *args):
movieName = entry.get_text()
if movieName in self.getMovieNames():
iter = self.model.get_iter_root()
while iter:
if self.model.get_value(iter, 0) == movieName:
self.model.remove(iter)
break
iter = self.model.iter_next(iter)
else:
self.showError("Movie '" + movieName + "' does not exist.")
def clearMovies(self, *args):
self.model.clear()
def sortMovies(self, *args):
movieNames = self.getMovieNames()
movieNames.sort()
self.model.clear()
for movie in movieNames:
self.model.append([ movie ])
def getMovieNames(self):
movies = []
iter = self.model.get_iter_root()
while iter:
movies.append(self.model.get_value(iter, 0))
iter = self.model.iter_next(iter)
return movies
def showError(self, message):
dialog = gtk.Dialog("VideoStore Error!", buttons=(gtk.STOCK_OK, gtk.RESPONSE_ACCEPT))
label = gtk.Label(message)
dialog.vbox.pack_start(label, expand=True, fill=True)
label.show()
dialog.connect("response", self.destroyErrorDialogue)
dialog.show()
def destroyErrorDialogue(self, dialog, *args):
dialog.destroy()
def quit(self, *args):
gtk.main_quit()
if __name__ == "__main__":
program = VideoStore()
program.run()
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