boartty/gertty/view/unified_diff.py

263 lines
12 KiB
Python

# Copyright 2014 OpenStack Foundation
# Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import urwid
from gertty import gitrepo
from gertty import mywid
from gertty.view.diff import BaseDiffCommentEdit, BaseDiffComment, BaseDiffLine
from gertty.view.diff import BaseFileHeader, BaseFileReminder, BaseDiffView
LN_COL_WIDTH = 5
class UnifiedDiffCommentEdit(BaseDiffCommentEdit):
def __init__(self, app, context, oldnew, key=None, comment=u''):
super(UnifiedDiffCommentEdit, self).__init__([])
self.context = context
self.oldnew = oldnew
# If we save a comment, the resulting key will be stored here
self.key = key
self.comment = mywid.MyEdit(edit_text=comment, multiline=True,
ring=app.ring)
self.contents.append((urwid.Text(u''), ('given', 8, False)))
self.contents.append((urwid.AttrMap(self.comment, 'draft-comment'),
('weight', 1, False)))
self.focus_position = 1
class UnifiedDiffComment(BaseDiffComment):
def __init__(self, context, oldnew, comment):
super(UnifiedDiffComment, self).__init__([])
self.context = context
text = urwid.AttrMap(urwid.Text(comment), 'comment')
self.contents.append((urwid.Text(u''), ('given', 8, False)))
self.contents.append((text, ('weight', 1, False)))
class UnifiedDiffLine(BaseDiffLine):
def __init__(self, app, context, oldnew, old, new, callback=None):
super(UnifiedDiffLine, self).__init__('', on_press=callback)
self.context = context
self.oldnew = oldnew
(old_ln, old_action, old_line) = old
(new_ln, new_action, new_line) = new
if old_ln is None:
old_ln = ''
else:
old_ln = '%*i' % (LN_COL_WIDTH-1, old_ln)
if new_ln is None:
new_ln = ''
else:
new_ln = '%*i' % (LN_COL_WIDTH-1, new_ln)
old_ln_col = urwid.Text(('line-number', old_ln))
old_ln_col.set_wrap_mode('clip')
new_ln_col = urwid.Text(('line-number', new_ln))
new_ln_col.set_wrap_mode('clip')
if oldnew == gitrepo.OLD:
action = old_action
line = old_line
columns = [(LN_COL_WIDTH, old_ln_col), (LN_COL_WIDTH, urwid.Text(u''))]
elif oldnew == gitrepo.NEW:
action = new_action
line = new_line
columns = [(LN_COL_WIDTH, urwid.Text(u'')), (LN_COL_WIDTH, new_ln_col)]
if new_action == ' ':
columns = [(LN_COL_WIDTH, old_ln_col), (LN_COL_WIDTH, new_ln_col)]
line_col = mywid.SearchableText(line)
self.text_widget = line_col
if action == '':
line_col = urwid.AttrMap(line_col, 'nonexistent')
columns += [line_col]
col = urwid.Columns(columns)
map = {None: 'focused',
'added-line': 'focused-added-line',
'added-word': 'focused-added-word',
'removed-line': 'focused-removed-line',
'removed-word': 'focused-removed-word',
'nonexistent': 'focused-nonexistent',
'line-number': 'focused-line-number',
}
self._w = urwid.AttrMap(col, None, focus_map=map)
def search(self, search, attribute):
return self.text_widget.search(search, attribute)
class UnifiedFileHeader(BaseFileHeader):
def __init__(self, app, context, oldnew, old, new, callback=None):
super(UnifiedFileHeader, self).__init__('', on_press=callback)
self.context = context
self.oldnew = oldnew
if oldnew == gitrepo.OLD:
col = urwid.Columns([
urwid.Text(('filename', old))])
elif oldnew == gitrepo.NEW:
col = urwid.Columns([
(LN_COL_WIDTH, urwid.Text(u'')),
urwid.Text(('filename', new))])
map = {None: 'focused-filename',
'filename': 'focused-filename'}
self._w = urwid.AttrMap(col, None, focus_map=map)
class UnifiedFileReminder(BaseFileReminder):
def __init__(self):
self.old_text = urwid.Text(('filename', ''))
self.new_text = urwid.Text(('filename', ''))
self.col = urwid.Columns([('pack', self.old_text),
('pack', self.new_text),
urwid.Text(u'')], dividechars=2)
super(UnifiedFileReminder, self).__init__(self.col)
def set(self, old, new):
self.old_text.set_text(('filename', old))
self.new_text.set_text(('filename', new))
self.col._invalidate()
class UnifiedDiffView(BaseDiffView):
def makeLines(self, diff, lines_to_add, comment_lists):
lines = []
old_cache = []
new_cache = []
for old, new in lines_to_add:
context = self.makeContext(diff, old[0], new[0])
if context.old_ln is not None:
old_cache.append(UnifiedDiffLine(self.app, context, gitrepo.OLD, old, new,
callback=self.onSelect))
else:
lines.extend(old_cache)
lines.extend(new_cache)
old_cache = []
new_cache = []
# see if there are any comments for this line
key = 'old-%s-%s' % (old[0], diff.oldname)
old_list = comment_lists.pop(key, [])
while old_list:
(old_comment_key, old_comment) = old_list.pop(0)
old_cache.append(UnifiedDiffComment(context, gitrepo.OLD, old_comment))
# see if there are any draft comments for this line
key = 'olddraft-%s-%s' % (old[0], diff.oldname)
old_list = comment_lists.pop(key, [])
while old_list:
(old_comment_key, old_comment) = old_list.pop(0)
old_cache.append(UnifiedDiffCommentEdit(self.app,
context,
gitrepo.OLD,
old_comment_key,
old_comment))
# new line
if context.new_ln is not None and new[1] != ' ':
if old_cache:
new_cache.append(UnifiedDiffLine(self.app, context, gitrepo.NEW, old, new,
callback=self.onSelect))
else:
lines.append(UnifiedDiffLine(self.app, context, gitrepo.NEW, old, new,
callback=self.onSelect))
# see if there are any comments for this line
key = 'new-%s-%s' % (new[0], diff.newname)
new_list = comment_lists.pop(key, [])
while new_list:
(new_comment_key, new_comment) = new_list.pop(0)
if old_cache:
new_cache.append(UnifiedDiffComment(context, gitrepo.NEW, new_comment))
else:
lines.append(UnifiedDiffComment(context, gitrepo.NEW, new_comment))
# see if there are any draft comments for this line
key = 'newdraft-%s-%s' % (new[0], diff.newname)
new_list = comment_lists.pop(key, [])
while new_list:
(new_comment_key, new_comment) = new_list.pop(0)
if old_cache:
new_cache.append(UnifiedDiffCommentEdit(self.app,
context,
gitrepo.NEW,
new_comment_key,
new_comment))
else:
lines.append(UnifiedDiffCommentEdit(self.app,
context,
gitrepo.NEW,
new_comment_key,
new_comment))
else:
if old_cache:
lines.extend(old_cache)
if new_cache:
lines.extend(new_cache)
return lines
def makeFileReminder(self):
return UnifiedFileReminder()
def makeFileHeader(self, diff, comment_lists):
context = self.makeContext(diff, None, None, header=True)
lines = []
lines.append(UnifiedFileHeader(self.app, context, gitrepo.OLD,
diff.oldname, diff.newname,
callback=self.onSelect))
# see if there are any comments for this file
key = 'old-None-%s' % (diff.oldname,)
old_list = comment_lists.pop(key, [])
while old_list:
(old_comment_key, old_comment) = old_list.pop(0)
lines.append(UnifiedDiffComment(context, gitrepo.OLD, old_comment))
# see if there are any draft comments for this file
key = 'olddraft-None-%s' % (diff.oldname,)
old_list = comment_lists.pop(key, [])
while old_list:
(old_comment_key, old_comment) = old_list.pop(0)
lines.append(UnifiedDiffCommentEdit(self.app,
context,
gitrepo.OLD,
old_comment_key,
old_comment))
# new line
lines.append(UnifiedFileHeader(self.app, context, gitrepo.NEW,
diff.oldname, diff.newname,
callback=self.onSelect))
# see if there are any comments for this file
key = 'new-None-%s' % (diff.newname,)
new_list = comment_lists.pop(key, [])
while new_list:
(new_comment_key, new_comment) = new_list.pop(0)
lines.append(UnifiedDiffComment(context, gitrepo.NEW, new_comment))
# see if there are any draft comments for this file
key = 'newdraft-None-%s' % (diff.newname,)
new_list = comment_lists.pop(key, [])
while new_list:
(new_comment_key, new_comment) = new_list.pop(0)
lines.append(UnifiedDiffCommentEdit(self.app,
context,
gitrepo.NEW,
new_comment_key,
new_comment))
return lines
def makeCommentEdit(self, edit):
return UnifiedDiffCommentEdit(self.app,
edit.context,
edit.oldnew)
def cleanupEdit(self, edit):
if edit.key:
self.deleteComment(edit.key)
edit.key = None
comment = edit.comment.edit_text.strip()
if comment:
new = False
if edit.oldnew == gitrepo.NEW:
new = True
edit.key = self.saveComment(
edit.context, comment, new=new)
else:
self.listbox.body.remove(edit)