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tree.py
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tree.py
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### Copyright (C) 2002-2006 Stephen Kennedy <stevek@gnome.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
import gobject
import gtk
import gnomeglade
import paths
COL_PATH, COL_STATE, COL_TEXT, COL_ICON, COL_END = range(5)
from vc._vc import STATE_IGNORED, STATE_NONE, STATE_NORMAL, STATE_NOCHANGE, \
STATE_ERROR, STATE_EMPTY, STATE_NEW, \
STATE_MODIFIED, STATE_CONFLICT, STATE_REMOVED, \
STATE_MISSING, STATE_MAX
load = lambda x,s=14: gnomeglade.load_pixbuf(paths.icon_dir(x), s)
pixbuf_folder = load("tree-folder-normal.png", 20)
pixbuf_folder_new = load("tree-folder-new.png", 20)
pixbuf_folder_changed = load("tree-folder-changed.png", 20)
pixbuf_folder_missing = load("tree-folder-missing.png", 20)
pixbuf_file = load("tree-file-normal.png")
pixbuf_file_new = load("tree-file-new.png")
pixbuf_file_changed = load("tree-file-changed.png")
pixbuf_file_missing = load("tree-file-missing.png")
class DiffTreeStore(gtk.TreeStore):
def __init__(self, ntree = 3, num_col = COL_END):
types = [type("")] * num_col * ntree
types[COL_ICON*ntree:COL_ICON*ntree+ntree] = [type(pixbuf_file)] * ntree
gtk.TreeStore.__init__(self, *types)
self.ntree = ntree
self._setup_default_styles()
def _setup_default_styles(self):
self.textstyle = [
'<span foreground="#888888">%s</span>', # STATE_IGNORED
'<span foreground="#888888">%s</span>', # STATE_NONE
'<span foreground="black">%s</span>', # STATE_NORMAL
'<span foreground="black" style="italic">%s</span>', # STATE_NOCHANGE
'<span foreground="#ff0000" background="yellow" weight="bold">%s</span>', # STATE_ERROR
'<span foreground="#999999" style="italic">%s</span>', # STATE_EMPTY
'<span foreground="#008800" weight="bold">%s</span>', # STATE_NEW
'<span foreground="#880000" weight="bold">%s</span>', # STATE_MODIFIED
'<span foreground="#ff0000" background="#ffeeee" weight="bold">%s</span>', # STATE_CONFLICT
'<span foreground="#880000" strikethrough="true" weight="bold">%s</span>', # STATE_REMOVED
'<span foreground="#888888" strikethrough="true">%s</span>' # STATE_MISSING
]
assert len(self.textstyle) == STATE_MAX
self.pixstyle = [
(pixbuf_file, pixbuf_folder), # IGNORED
(pixbuf_file, pixbuf_folder), # NONE
(pixbuf_file, pixbuf_folder), # NORMAL
(pixbuf_file, pixbuf_folder), # NOCHANGE
(None, None), # ERROR
(None, None), # EMPTY
(pixbuf_file_new, pixbuf_folder_new), # NEW
(pixbuf_file_changed, pixbuf_folder_changed), # MODIFIED
(pixbuf_file_changed, pixbuf_folder_changed), # CONFLICT
(pixbuf_file_changed, pixbuf_folder_changed), # REMOVED
(pixbuf_file_missing, pixbuf_folder_missing) # MISSING
]
assert len(self.pixstyle) == STATE_MAX
def add_entries(self, parent, names):
child = self.append(parent)
for i,f in enumerate(names):
self.set_value( child, self.column_index(COL_PATH,i), f)
return child
def add_empty(self, parent, text="empty folder"):
child = self.append(parent)
for i in range(self.ntree):
self.set_value(child, self.column_index(COL_STATE,i), STATE_EMPTY)
self.set_value(child, self.column_index(COL_PATH,i), self.pixstyle[STATE_EMPTY])
self.set_value(child, self.column_index(COL_TEXT, i), self.textstyle[STATE_EMPTY] % gobject.markup_escape_text(text))
return child
def add_error(self, parent, msg, pane):
err = self.append(parent)
for i in range(self.ntree):
self.set_value(err, self.column_index(COL_STATE,i), STATE_ERROR)
self.set_value(err, self.column_index(COL_ICON, pane), self.pixstyle[STATE_ERROR][0] )
self.set_value(err, self.column_index(COL_TEXT, pane), self.textstyle[STATE_ERROR] % gobject.markup_escape_text(msg))
def value_paths(self, it):
return [self.value_path(it, i) for i in range(self.ntree)]
def value_path(self, it, pane):
return self.get_value(it, self.column_index(COL_PATH, pane))
def column_index(self, col, pane):
return self.ntree * col + pane
def set_state(self, it, pane, state, isdir=0):
fullname = self.get_value(it, self.column_index(COL_PATH,pane))
name = gobject.markup_escape_text(os.path.basename(fullname))
STATE = self.column_index(COL_STATE, pane)
TEXT = self.column_index(COL_TEXT, pane)
ICON = self.column_index(COL_ICON, pane)
self.set_value(it, STATE, state)
self.set_value(it, TEXT, self.textstyle[state] % name)
self.set_value(it, ICON, self.pixstyle[state][isdir])
def get_state(self, it, pane):
STATE = self.column_index(COL_STATE, pane)
return self.get_value(it, STATE)
def inorder_search_down(self, it):
while it:
child = self.iter_children(it)
if child:
it = child
else:
next = self.iter_next(it)
if next:
it = next
else:
while 1:
it = self.iter_parent(it)
if it:
next = self.iter_next(it)
if next:
it = next
break
else:
raise StopIteration()
yield it
def inorder_search_up(self, it):
while it:
path = self.get_path(it)
if path[-1]:
path = path[:-1] + (path[-1]-1,)
it = self.get_iter(path)
while 1:
nc = self.iter_n_children(it)
if nc:
it = self.iter_nth_child(it, nc-1)
else:
break
else:
up = self.iter_parent(it)
if up:
it = up
else:
raise StopIteration()
yield it