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# Group Properties Prototype
# Copyright (c) 2003, Hans Breuer <hans@breuer.org>
#
# with multiple selected (but not grouped) objects builds a dialog
# which contains widgets to change all different properties of the
# objects.
#
# Known Issues :
# - Currently the options to be changed are represented by strings
# This is a limitation of PyDia, which does not wrap Dia's UI
# elements yet
# - ...
# 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 sys, dia
class CPropsDialog :
def __init__(self, diagram, data, props) :
import pygtk
pygtk.require("2.0")
import gtk
self.diagram = diagram
self.data = data
self.props = props
self.win = gtk.Window ()
self.win.connect("delete_event", self.on_delete)
self.win.set_title("Group Properties")
box1 = gtk.VBox()
self.win.add(box1)
box1.show()
box2 = gtk.VBox(spacing=2)
box2.set_border_width(10)
box1.pack_start(box2)
box2.show()
self.checkboxes = []
self.optionmenues = []
if len(props) :
table = gtk.Table(2, len(props), 0)
else :
table = gtk.Table(2, 1, 0)
table.set_row_spacings(2)
table.set_col_spacings(5)
table.set_border_width(5)
if len(props) :
y = 0
for s in props.keys() :
w = gtk.CheckButton(s)
self.checkboxes.append(w)
table.attach(w, 0, 1, y, y+1)
w.show()
menu = gtk.Menu()
milist = None
for opt in props[s].opts :
#print opt
menuitem = gtk.RadioMenuItem (milist, str(opt.value))
milist = menuitem # GSlist
menu.append(menuitem)
menuitem.show()
menu.show ()
w = gtk.OptionMenu()
w.set_menu(menu)
self.optionmenues.append(w)
table.attach(w, 1, 2, y, y+1)
w.show()
y = y + 1
else :
w = gtk.Label("The selected objects don't share any\n properties to change at once.")
table.attach(w, 0, 1, y, y+1)
w.show()
box2.pack_start(table)
table.show()
separator = gtk.HSeparator()
box1.pack_start(separator, expand=0)
separator.show()
box2 = gtk.VBox(spacing=10)
box2.set_border_width(10)
box1.pack_start(box2, expand=0)
box2.show()
button = gtk.Button("Ok")
button.connect("clicked", self.on_ok)
box2.pack_start(button)
button.set_flags(gtk.CAN_DEFAULT)
button.grab_default()
button.show()
self.win.show()
def on_ok (self, *args) :
grp = self.diagram.get_sorted_selected()
# change the requested properties
for i in range(0, len(self.checkboxes)) :
cb = self.checkboxes[i]
om = self.optionmenues[i]
if cb.get_active() :
for o in grp :
s = self.props.keys()[i]
o.properties[s] = self.props[s].opts[om.get_history()]
self.data.update_extents ()
self.diagram.flush()
self.win.destroy()
def on_delete (self, *args) :
self.win.destroy ()
class PropInfo :
def __init__ (self, t, n, o) :
self.num = 1
self.type = t
self.name = n
self.opts = [o]
def __str__ (self) :
return self.name + ":" + str(self.opts)
def Add (self, o) :
self.num = self.num + 1
self.opts.append(o)
def dia_objects_props_cb (data, flags) :
d = dia.active_display().diagram
grp = d.get_sorted_selected()
allProps = {}
numProps = len(grp)
# check for properties common to all select objects
for o in grp :
props = o.properties
for s in props.keys() :
if props[s].visible :
if allProps.has_key(s) :
allProps[s].Add(props[s])
else :
allProps[s] = PropInfo(props[s].type, props[s].name, props[s])
# now eliminate all props not common ...
for s in allProps.keys() :
if allProps[s].num < numProps :
del allProps[s]
# ... and all props already equal
for s in allProps.keys() :
o1 = allProps[s].opts[0]
for o in allProps[s].opts :
if o1.value != o.value :
o1 = None
break
if o1 != None :
del allProps[s]
else :
# if there is something left ensure unique values
uniques = {}
for o in allProps[s].opts :
if uniques.has_key(o.value) :
continue
uniques[o.value] = o
allProps[s].opts = []
for v in uniques.keys() :
allProps[s].opts.append(uniques[v])
# display the dialog
try :
dlg = CPropsDialog(d, data, allProps)
except ImportError :
dia.message(0, "Dialog creation failed. Missing pygtk?")
dia.register_action ("DialogsGroupproperties", "Dia Group Properties",
"/DisplayMenu/Dialogs/DialogsExtensionStart",
dia_objects_props_cb)
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