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#!/usr/bin/env python
title = "File List (GenericTreeModel)"
description = """
This is a file list demo which makes use of the GenericTreeModel python
implementation of the Gtk.TreeModel interface. This demo shows what methods
need to be overridden to provide a valid TreeModel to a TreeView.
"""
import os
import stat
import time
import pygtkcompat
pygtkcompat.enable()
pygtkcompat.enable_gtk('3.0')
import gtk
folderxpm = [
"17 16 7 1",
" c #000000",
". c #808000",
"X c yellow",
"o c #808080",
"O c #c0c0c0",
"+ c white",
"@ c None",
"@@@@@@@@@@@@@@@@@",
"@@@@@@@@@@@@@@@@@",
"@@+XXXX.@@@@@@@@@",
"@+OOOOOO.@@@@@@@@",
"@+OXOXOXOXOXOXO. ",
"@+XOXOXOXOXOXOX. ",
"@+OXOXOXOXOXOXO. ",
"@+XOXOXOXOXOXOX. ",
"@+OXOXOXOXOXOXO. ",
"@+XOXOXOXOXOXOX. ",
"@+OXOXOXOXOXOXO. ",
"@+XOXOXOXOXOXOX. ",
"@+OOOOOOOOOOOOO. ",
"@ ",
"@@@@@@@@@@@@@@@@@",
"@@@@@@@@@@@@@@@@@"
]
folderpb = gtk.gdk.pixbuf_new_from_xpm_data(folderxpm)
filexpm = [
"12 12 3 1",
" c #000000",
". c #ffff04",
"X c #b2c0dc",
"X XXX",
"X ...... XXX",
"X ...... X",
"X . ... X",
"X ........ X",
"X . .... X",
"X ........ X",
"X . .. X",
"X ........ X",
"X . .. X",
"X ........ X",
"X X"
]
filepb = gtk.gdk.pixbuf_new_from_xpm_data(filexpm)
class FileListModel(gtk.GenericTreeModel):
__gtype_name__ = 'DemoFileListModel'
column_types = (gtk.gdk.Pixbuf, str, int, str, str)
column_names = ['Name', 'Size', 'Mode', 'Last Changed']
def __init__(self, dname=None):
gtk.GenericTreeModel.__init__(self)
self._sort_column_id = 0
self._sort_order = gtk.SORT_ASCENDING
if not dname:
self.dirname = os.path.expanduser('~')
else:
self.dirname = os.path.abspath(dname)
self.files = ['..'] + [f for f in os.listdir(self.dirname)]
return
def get_pathname(self, path):
filename = self.files[path[0]]
return os.path.join(self.dirname, filename)
def is_folder(self, path):
filename = self.files[path[0]]
pathname = os.path.join(self.dirname, filename)
filestat = os.stat(pathname)
if stat.S_ISDIR(filestat.st_mode):
return True
return False
def get_column_names(self):
return self.column_names[:]
#
# GenericTreeModel Implementation
#
def on_get_flags(self):
return 0 # gtk.TREE_MODEL_ITERS_PERSIST
def on_get_n_columns(self):
return len(self.column_types)
def on_get_column_type(self, n):
return self.column_types[n]
def on_get_iter(self, path):
return self.files[path[0]]
def on_get_path(self, rowref):
return self.files.index(rowref)
def on_get_value(self, rowref, column):
fname = os.path.join(self.dirname, rowref)
try:
filestat = os.stat(fname)
except OSError:
return None
mode = filestat.st_mode
if column is 0:
if stat.S_ISDIR(mode):
return folderpb
else:
return filepb
elif column is 1:
return rowref
elif column is 2:
return filestat.st_size
elif column is 3:
return oct(stat.S_IMODE(mode))
return time.ctime(filestat.st_mtime)
def on_iter_next(self, rowref):
try:
i = self.files.index(rowref) + 1
return self.files[i]
except IndexError:
return None
def on_iter_children(self, rowref):
if rowref:
return None
return self.files[0]
def on_iter_has_child(self, rowref):
return False
def on_iter_n_children(self, rowref):
if rowref:
return 0
return len(self.files)
def on_iter_nth_child(self, rowref, n):
if rowref:
return None
try:
return self.files[n]
except IndexError:
return None
def on_iter_parent(child):
return None
class GenericTreeModelExample:
def delete_event(self, widget, event, data=None):
gtk.main_quit()
return False
def __init__(self):
# Create a new window
self.window = gtk.Window(type=gtk.WINDOW_TOPLEVEL)
self.window.set_size_request(300, 200)
self.window.connect("delete_event", self.delete_event)
self.listmodel = FileListModel()
# create the TreeView
self.treeview = gtk.TreeView()
self.tvcolumns = []
# create the TreeViewColumns to display the data
for n, name in enumerate(self.listmodel.get_column_names()):
if n == 0:
cellpb = gtk.CellRendererPixbuf()
col = gtk.TreeViewColumn(name, cellpb, pixbuf=0)
cell = gtk.CellRendererText()
col.pack_start(cell, False)
col.add_attribute(cell, 'text', 1)
else:
cell = gtk.CellRendererText()
col = gtk.TreeViewColumn(name, cell, text=n + 1)
if n == 1:
cell.set_property('xalign', 1.0)
self.treeview.append_column(col)
self.treeview.connect('row-activated', self.open_file)
self.scrolledwindow = gtk.ScrolledWindow()
self.scrolledwindow.add(self.treeview)
self.window.add(self.scrolledwindow)
self.treeview.set_model(self.listmodel)
self.window.set_title(self.listmodel.dirname)
self.window.show_all()
def open_file(self, treeview, path, column):
model = treeview.get_model()
if model.is_folder(path):
pathname = model.get_pathname(path)
new_model = FileListModel(pathname)
self.window.set_title(new_model.dirname)
treeview.set_model(new_model)
return
def main(demoapp=None):
demo = GenericTreeModelExample()
demo
gtk.main()
if __name__ == "__main__":
main()
|
