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# A little debug helper marking and numbering the connection points
# of selected objects
# Copyright (c) 2013 Hans Breuer <hans@breuer.org>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import dia
def mark_cps (data, flags) :
objs = data.get_sorted_selected()
layer = data.active_layer
if len(objs) == 0 :
dia.message (1, "Select objects for marking it's connection points!")
return
textType = dia.get_object_type("Standard - Text")
for o in objs:
for i in range(0, len(o.connections)):
cp = o.connections[i]
t, h1, h2 = textType.create (cp.pos.x, cp.pos.y)
t.properties["text"] = str(i)
# align the text based on the given directions
if cp.flags & 0x3 : #CP_FLAGS_MAIN
t.properties["text_vert_alignment"] = 3 # first line
if cp.directions & 0x1: # north
t.properties["text_vert_alignment"] = 1 # bottom
elif cp.directions & 0x4: # south
t.properties["text_vert_alignment"] = 0 # top
else :
t.properties["text_vert_alignment"] = 2 # center
if cp.flags & 0x3 : #CP_FLAGS_MAIN
t.properties["text_alignment"] = 1 # middle
elif cp.directions & 0x2: # east
t.properties["text_alignment"] = 0 # left
elif cp.directions & 0x8: # west
t.properties["text_alignment"] = 2 # right
else :
t.properties["text_alignment"] = 1 # middle
# tint it with the connection point color
if cp.flags & 0x3 : #CP_FLAGS_MAIN
t.properties["text_colour"] = "red"
elif cp.directions == 0 : # not necessarily a bug
t.properties["text_colour"] = "green"
else :
t.properties["text_colour"] = "blue"
# add it to the diagram
layer.add_object(t)
# connect the object with the cp at hand
h2.connect(cp)
# update the object and it's connected?
data.update_extents ()
adisp = dia.active_display()
if adisp :
adisp.diagram.update_extents()
adisp.diagram.flush()
dia.register_action("DebugMarkConnectionPoints", "Mark Connection Points",
"/DisplayMenu/Debug/DebugExtensionStart", mark_cps)
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