pygtk/canvas/contextmenutool.py

from gaphas.tool import Tool
import pygtk
pygtk.require('2.0') 
import gtk

class ContextMenuTool(Tool):
    """
    Context menu for blocks and connectors on the canvas, intended to be
    the main mouse-based way by which interaction with blocks occurs (blocks
    renamed, parameters specified, values examined, etc).
    Code for performing these tasks should not be here; this should just
    hook into the appropriate code in the Application layer.
    """
    def __init__(self):
        pass

    def on_button_press(self, context, event):
        if event.button != 3:
            return False
        if context.view.hovered_item:
            menu = gtk.Menu()
            menurename = gtk.MenuItem("Re_name",True);
            window = context.view.parent.parent.parent.parent
            print window.__class__
            menurename.connect("activate",self.rename,context.view.hovered_item,window)
            menu.add(menurename)
            menudelete = gtk.MenuItem("_Delete",True);
            menudelete.connect("activate",self.delete,context.view.hovered_item,context.view)
            menu.add(menudelete)
            menu.show_all()     
            menu.popup( None, None, None, event.button, event.time)

    def rename(self,widget,item,window):
        if hasattr(item,'blockinstance'):
            bi = item.blockinstance
            dia = gtk.Dialog("Rename %s '%s'" 
                % (
                    bi.blocktype.type.getName()
                    ,bi.name
                ), window,gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT
                ,(gtk.STOCK_CANCEL, 0, gtk.STOCK_OK, gtk.RESPONSE_OK)
            )
            dia.set_default_response(gtk.RESPONSE_OK)
            ent = gtk.Entry()
            ent.set_text(bi.name)
            dia.vbox.add(ent)
            dia.show_all()
            res = dia.run()
            if res == gtk.RESPONSE_OK:
                bi.name = ent.get_text()
            dia.destroy()

    def delete(self,widget,item,view):
        print "DELETING OBJECT"
        # TODO: add undo handler
        view.canvas.remove(item)

1	from gaphas.tool import Tool
2	import pygtk
3	pygtk.require('2.0')
4	import gtk
5
6	class ContextMenuTool(Tool):
7	"""
8	Context menu for blocks and connectors on the canvas, intended to be
9	the main mouse-based way by which interaction with blocks occurs (blocks
10	renamed, parameters specified, values examined, etc).
11	Code for performing these tasks should not be here; this should just
12	hook into the appropriate code in the Application layer.
13	"""
14	def __init__(self):
15	pass
16
17	def on_button_press(self, context, event):
18	if event.button != 3:
19	return False
20	if context.view.hovered_item:
21	menu = gtk.Menu()
22	menurename = gtk.MenuItem("Re_name",True);
23	window = context.view.parent.parent.parent.parent
24	print window.__class__
25	menurename.connect("activate",self.rename,context.view.hovered_item,window)
26	menu.add(menurename)
27	menudelete = gtk.MenuItem("_Delete",True);
28	menudelete.connect("activate",self.delete,context.view.hovered_item,context.view)
29	menu.add(menudelete)
30	menu.show_all()
31	menu.popup( None, None, None, event.button, event.time)
32
33	def rename(self,widget,item,window):
34	if hasattr(item,'blockinstance'):
35	bi = item.blockinstance
36	dia = gtk.Dialog("Rename %s '%s'"
37	% (
38	bi.blocktype.type.getName()
39	,bi.name
40	), window,gtk.DIALOG_MODAL \| gtk.DIALOG_DESTROY_WITH_PARENT
41	,(gtk.STOCK_CANCEL, 0, gtk.STOCK_OK, gtk.RESPONSE_OK)
42	)
43	dia.set_default_response(gtk.RESPONSE_OK)
44	ent = gtk.Entry()
45	ent.set_text(bi.name)
46	dia.vbox.add(ent)
47	dia.show_all()
48	res = dia.run()
49	if res == gtk.RESPONSE_OK:
50	bi.name = ent.get_text()
51	dia.destroy()
52
53	def delete(self,widget,item,view):
54	print "DELETING OBJECT"
55	# TODO: add undo handler
56	view.canvas.remove(item)
57