mirror of
https://github.com/Apress/foundations-of-pygtk-development.git
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89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
#!/usr/bin/python3
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import sys
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk, GObject
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BUY_IT = 0
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QUANTITY = 1
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PRODUCT = 2
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PRODUCT_CATEGORY = 0
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PRODUCT_CHILD = 1
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GroceryItem = (( PRODUCT_CATEGORY, True, 0, "Cleaning Supplies"),
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( PRODUCT_CHILD, True, 1, "Paper Towels" ),
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( PRODUCT_CHILD, True, 3, "Toilet Paper" ),
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( PRODUCT_CATEGORY, True, 0, "Food"),
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( PRODUCT_CHILD, True, 2, "Bread" ),
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( PRODUCT_CHILD, False, 1, "Butter" ),
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( PRODUCT_CHILD, True, 1, "Milk" ),
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( PRODUCT_CHILD, False, 3, "Chips" ),
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( PRODUCT_CHILD, True, 4, "Soda" ))
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class AppWindow(Gtk.ApplicationWindow):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.set_border_width(10)
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self.set_size_request(275, 270)
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treeview = Gtk.TreeView.new()
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self.setup_tree_view(treeview)
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store = Gtk.TreeStore.new((GObject.TYPE_BOOLEAN,
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GObject.TYPE_INT,
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GObject.TYPE_STRING))
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iter = None
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i = 0
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for row in GroceryItem:
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(ptype, buy, quant, prod) = row
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if ptype == PRODUCT_CATEGORY:
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j = i + 1
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(ptype1, buy1, quant1, prod1) = GroceryItem[j]
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while j < len(GroceryItem) and ptype1 == PRODUCT_CHILD:
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if buy1:
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quant += quant1
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j += 1;
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if j < len(GroceryItem):
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(ptype1, buy1, quant1, prod1) = GroceryItem[j]
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iter = store.append(None)
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store.set(iter, BUY_IT, buy, QUANTITY, quant, PRODUCT, prod)
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else:
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child = store.append(iter)
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store.set(child, BUY_IT, buy, QUANTITY, quant, PRODUCT, prod)
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i += 1
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treeview.set_model(store)
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treeview.expand_all()
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scrolled_win = Gtk.ScrolledWindow.new(None, None)
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scrolled_win.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
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scrolled_win.add(treeview)
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self.add(scrolled_win)
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def setup_tree_view(self, treeview):
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renderer = Gtk.CellRendererText.new()
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column = Gtk.TreeViewColumn("Buy", renderer, text=BUY_IT)
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treeview.append_column(column)
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renderer = Gtk.CellRendererText.new()
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column = Gtk.TreeViewColumn("Count", renderer, text=QUANTITY)
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treeview.append_column(column)
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renderer = Gtk.CellRendererText.new()
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column = Gtk.TreeViewColumn("Product", renderer, text=PRODUCT)
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treeview.append_column(column)
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class Application(Gtk.Application):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, application_id="org.example.myapp",
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**kwargs)
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self.window = None
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def do_activate(self):
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if not self.window:
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self.window = AppWindow(application=self, title="Grocery List")
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self.window.show_all()
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self.window.present()
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if __name__ == "__main__":
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app = Application()
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app.run(sys.argv)
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