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# .context : Application View Controller
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# .title : tree view widget display capabilities (GTK)
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# .kind : python source
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# .author : Fabrizio Pollastri
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# .site : Revello - Italy
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# .creation : 3-Aug-2008
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# .copyright : (c) 2008 Fabrizio Pollastri.
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# .license : GNU General Public License (see below)
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# This file is part of "AVC, Application View Controller".
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# AVC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# AVC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import gtk #- gimp tool kit bindings
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import gtk.glade # glade bindings
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from avc import * # AVC
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import copy # object cloning support
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GLADE_XML = 'gtk_listtreeview.glade' # GUI glade descriptor
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UPDATE_PERIOD = 2000 # ms
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Showcase of display capabilities for the tree view widget
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self.glade = gtk.glade.XML(GLADE_XML)
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# autoconnect GUI signal handlers
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self.glade.signal_autoconnect(self)
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# make tree view rows reorderable
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self.glade.get_widget('list__treeview').set_reorderable(True)
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self.glade.get_widget('tree__treeview').set_reorderable(True)
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self.list = {'head':['col1 int','col2 str'], \
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'body':[[1,'one'],[2,'two'],[3,'three']]}
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self.list_work = copy.deepcopy(self.list)
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self.tree = {'head':['col1 int','col2 str'],'body':{ \
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# children of root row '1'
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'1.1':[11,'one one'], \
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'1.2':[12,'one two'], \
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# children of root row '2'
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'2.1':[21,'two one'], \
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'2.2':[22,'two two']}}
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# start variables update
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update = self.update()
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gobject.timeout_add(UPDATE_PERIOD,update.next)
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Tabular data rows data are rolled down.
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rows_num = len(self.list['body'])
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# save last row of data
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last_row = self.list_work['body'][-1]
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# shift down one position each data row
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for i in range(1,rows_num):
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self.list_work['body'][-i] = \
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self.list_work['body'][-1-i]
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# copy last row into first position
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self.list_work['body'][0] = last_row
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# copy working copy into connected variable
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self.list = self.list_work
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def on_destroy(self,window):
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"Terminate program at window destroy"
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example = Example() # instantiate the application
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example.avc_init() # connect widgets with variables
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gtk.main() # run GTK event loop until quit
added
removed
examples/gtk_listtreeview.py
