/b-gtk/fix-viz

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  • Committer: Jelmer Vernooij
  • Date: 2008-03-28 19:26:53 UTC
  • mto: (450.1.13 trunk)
  • mto: This revision was merged to the branch mainline in revision 458.
  • Revision ID: jelmer@samba.org-20080328192653-trzptkwahx1tulz9
Add module for preferences code.

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
1
# -*- coding: UTF-8 -*-
1
2
"""Difference window.
2
3
 
3
4
This module contains the code to manage the diff window which shows
4
5
the changes made between two revisions on a branch.
5
6
"""
6
7
 
7
 
__copyright__ = "Copyright 2005 Canonical Ltd."
8
 
__author__ = "Scott James Remnant <scott@ubuntu.com>"
 
8
__copyright__ = "Copyright © 2005 Canonical Ltd."
 
9
__author__    = "Scott James Remnant <scott@ubuntu.com>"
9
10
 
10
11
 
11
12
from cStringIO import StringIO
12
13
 
 
14
import pygtk
 
15
pygtk.require("2.0")
 
16
import gtk
 
17
import pango
 
18
import os
 
19
import re
13
20
import sys
14
 
import inspect
15
21
 
16
 
from gi.repository import Gtk
17
 
from gi.repository import Pango
18
22
try:
19
 
    from gi.repository import GtkSource
 
23
    import gtksourceview
20
24
    have_gtksourceview = True
21
25
except ImportError:
22
26
    have_gtksourceview = False
 
27
try:
 
28
    import gconf
 
29
    have_gconf = True
 
30
except ImportError:
 
31
    have_gconf = False
23
32
 
24
33
from bzrlib import (
25
 
    errors,
26
34
    merge as _mod_merge,
27
35
    osutils,
 
36
    progress,
28
37
    urlutils,
29
38
    workingtree,
30
 
    )
31
 
from bzrlib.diff import show_diff_trees
 
39
)
 
40
from bzrlib.diff import show_diff_trees, internal_diff
 
41
from bzrlib.errors import NoSuchFile
32
42
from bzrlib.patches import parse_patches
33
 
from bzrlib.plugins.gtk.dialog import (
34
 
    error_dialog,
35
 
    info_dialog,
36
 
    warning_dialog,
37
 
    )
38
 
from bzrlib.plugins.gtk.i18n import _i18n
 
43
from bzrlib.trace import warning
39
44
from bzrlib.plugins.gtk.window import Window
40
 
 
41
 
 
42
 
def fallback_guess_language(slm, content_type):
43
 
    for lang_id in slm.get_language_ids():
44
 
        lang = slm.get_language(lang_id)
45
 
        if "text/x-patch" in lang.get_mime_types():
46
 
            return lang
47
 
    return None
 
45
from dialog import error_dialog, info_dialog, warning_dialog
48
46
 
49
47
 
50
48
class SelectCancelled(Exception):
52
50
    pass
53
51
 
54
52
 
55
 
class DiffFileView(Gtk.ScrolledWindow):
 
53
class DiffFileView(gtk.ScrolledWindow):
56
54
    """Window for displaying diffs from a diff file"""
57
55
 
58
 
    SHOW_WIDGETS = True
59
 
 
60
56
    def __init__(self):
61
 
        super(DiffFileView, self).__init__()
 
57
        gtk.ScrolledWindow.__init__(self)
62
58
        self.construct()
63
59
        self._diffs = {}
64
60
 
65
61
    def construct(self):
66
 
        self.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
67
 
        self.set_shadow_type(Gtk.ShadowType.IN)
 
62
        self.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
 
63
        self.set_shadow_type(gtk.SHADOW_IN)
68
64
 
69
65
        if have_gtksourceview:
70
 
            self.buffer = GtkSource.Buffer()
71
 
            lang_manager = GtkSource.LanguageManager.get_default()
72
 
            language = lang_manager.guess_language(None, "text/x-patch")
73
 
            self.buffer.set_language(language)
74
 
            self.buffer.set_highlight_syntax(True)
75
 
            self.sourceview = GtkSource.View(buffer=self.buffer)
 
66
            self.buffer = gtksourceview.SourceBuffer()
 
67
            slm = gtksourceview.SourceLanguagesManager()
 
68
            gsl = slm.get_language_from_mime_type("text/x-patch")
 
69
            if have_gconf:
 
70
                self.apply_gedit_colors(gsl)
 
71
            self.apply_colordiff_colors(gsl)
 
72
            self.buffer.set_language(gsl)
 
73
            self.buffer.set_highlight(True)
 
74
 
 
75
            sourceview = gtksourceview.SourceView(self.buffer)
76
76
        else:
77
 
            self.buffer = Gtk.TextBuffer()
78
 
            self.sourceview = Gtk.TextView(self.buffer)
79
 
 
80
 
        self.sourceview.set_editable(False)
81
 
        self.sourceview.override_font(Pango.FontDescription("Monospace"))
82
 
        self.add(self.sourceview)
83
 
        if self.SHOW_WIDGETS:
84
 
            self.sourceview.show()
 
77
            self.buffer = gtk.TextBuffer()
 
78
            sourceview = gtk.TextView(self.buffer)
 
79
 
 
80
        sourceview.set_editable(False)
 
81
        sourceview.modify_font(pango.FontDescription("Monospace"))
 
82
        self.add(sourceview)
 
83
        sourceview.show()
 
84
 
 
85
    @staticmethod
 
86
    def apply_gedit_colors(lang):
 
87
        """Set style for lang to that specified in gedit configuration.
 
88
 
 
89
        This method needs the gconf module.
 
90
 
 
91
        :param lang: a gtksourceview.SourceLanguage object.
 
92
        """
 
93
        GEDIT_SYNTAX_PATH = '/apps/gedit-2/preferences/syntax_highlighting'
 
94
        GEDIT_LANG_PATH = GEDIT_SYNTAX_PATH + '/' + lang.get_id()
 
95
 
 
96
        client = gconf.client_get_default()
 
97
        client.add_dir(GEDIT_LANG_PATH, gconf.CLIENT_PRELOAD_NONE)
 
98
 
 
99
        for tag in lang.get_tags():
 
100
            tag_id = tag.get_id()
 
101
            gconf_key = GEDIT_LANG_PATH + '/' + tag_id
 
102
            style_string = client.get_string(gconf_key)
 
103
 
 
104
            if style_string is None:
 
105
                continue
 
106
 
 
107
            # function to get a bool from a string that's either '0' or '1'
 
108
            string_bool = lambda x: bool(int(x))
 
109
 
 
110
            # style_string is a string like "2/#FFCCAA/#000000/0/1/0/0"
 
111
            # values are: mask, fg, bg, italic, bold, underline, strike
 
112
            # this packs them into (str_value, attr_name, conv_func) tuples
 
113
            items = zip(style_string.split('/'), ['mask', 'foreground',
 
114
                'background', 'italic', 'bold', 'underline', 'strikethrough' ],
 
115
                [ int, gtk.gdk.color_parse, gtk.gdk.color_parse, string_bool,
 
116
                    string_bool, string_bool, string_bool ]
 
117
            )
 
118
 
 
119
            style = gtksourceview.SourceTagStyle()
 
120
 
 
121
            # XXX The mask attribute controls whether the present values of
 
122
            # foreground and background color should in fact be used. Ideally
 
123
            # (and that's what gedit does), one could set all three attributes,
 
124
            # and let the TagStyle object figure out which colors to use.
 
125
            # However, in the GtkSourceview python bindings, the mask attribute
 
126
            # is read-only, and it's derived instead from the colors being
 
127
            # set or not. This means that we have to sometimes refrain from
 
128
            # setting fg or bg colors, depending on the value of the mask.
 
129
            # This code could go away if mask were writable.
 
130
            mask = int(items[0][0])
 
131
            if not (mask & 1): # GTK_SOURCE_TAG_STYLE_USE_BACKGROUND
 
132
                items[2:3] = []
 
133
            if not (mask & 2): # GTK_SOURCE_TAG_STYLE_USE_FOREGROUND
 
134
                items[1:2] = []
 
135
            items[0:1] = [] # skip the mask unconditionally
 
136
 
 
137
            for value, attr, func in items:
 
138
                try:
 
139
                    value = func(value)
 
140
                except ValueError:
 
141
                    warning('gconf key %s contains an invalid value: %s'
 
142
                            % gconf_key, value)
 
143
                else:
 
144
                    setattr(style, attr, value)
 
145
 
 
146
            lang.set_tag_style(tag_id, style)
 
147
 
 
148
    @classmethod
 
149
    def apply_colordiff_colors(klass, lang):
 
150
        """Set style colors for lang using the colordiff configuration file.
 
151
 
 
152
        Both ~/.colordiffrc and ~/.colordiffrc.bzr-gtk are read.
 
153
 
 
154
        :param lang: a "Diff" gtksourceview.SourceLanguage object.
 
155
        """
 
156
        colors = {}
 
157
 
 
158
        for f in ('~/.colordiffrc', '~/.colordiffrc.bzr-gtk'):
 
159
            f = os.path.expanduser(f)
 
160
            if os.path.exists(f):
 
161
                try:
 
162
                    f = file(f)
 
163
                except IOError, e:
 
164
                    warning('could not open file %s: %s' % (f, str(e)))
 
165
                else:
 
166
                    colors.update(klass.parse_colordiffrc(f))
 
167
                    f.close()
 
168
 
 
169
        if not colors:
 
170
            # ~/.colordiffrc does not exist
 
171
            return
 
172
 
 
173
        mapping = {
 
174
                # map GtkSourceView tags to colordiff names
 
175
                # since GSV is richer, accept new names for extra bits,
 
176
                # defaulting to old names if they're not present
 
177
                'Added@32@line': ['newtext'],
 
178
                'Removed@32@line': ['oldtext'],
 
179
                'Location': ['location', 'diffstuff'],
 
180
                'Diff@32@file': ['file', 'diffstuff'],
 
181
                'Special@32@case': ['specialcase', 'diffstuff'],
 
182
        }
 
183
 
 
184
        for tag in lang.get_tags():
 
185
            tag_id = tag.get_id()
 
186
            keys = mapping.get(tag_id, [])
 
187
            color = None
 
188
 
 
189
            for key in keys:
 
190
                color = colors.get(key, None)
 
191
                if color is not None:
 
192
                    break
 
193
 
 
194
            if color is None:
 
195
                continue
 
196
 
 
197
            style = gtksourceview.SourceTagStyle()
 
198
            try:
 
199
                style.foreground = gtk.gdk.color_parse(color)
 
200
            except ValueError:
 
201
                warning('not a valid color: %s' % color)
 
202
            else:
 
203
                lang.set_tag_style(tag_id, style)
 
204
 
 
205
    @staticmethod
 
206
    def parse_colordiffrc(fileobj):
 
207
        """Parse fileobj as a colordiff configuration file.
 
208
 
 
209
        :return: A dict with the key -> value pairs.
 
210
        """
 
211
        colors = {}
 
212
        for line in fileobj:
 
213
            if re.match(r'^\s*#', line):
 
214
                continue
 
215
            if '=' not in line:
 
216
                continue
 
217
            key, val = line.split('=', 1)
 
218
            colors[key.strip()] = val.strip()
 
219
        return colors
85
220
 
86
221
    def set_trees(self, rev_tree, parent_tree):
87
222
        self.rev_tree = rev_tree
92
227
#        self.parent_tree.lock_read()
93
228
#        self.rev_tree.lock_read()
94
229
#        try:
95
 
#            self.delta = iter_changes_to_status(
96
 
#               self.parent_tree, self.rev_tree)
 
230
#            self.delta = iter_changes_to_status(self.parent_tree, self.rev_tree)
97
231
#            self.path_to_status = {}
98
232
#            self.path_to_diff = {}
99
233
#            source_inv = self.parent_tree.inventory
100
234
#            target_inv = self.rev_tree.inventory
101
235
#            for (file_id, real_path, change_type, display_path) in self.delta:
102
 
#                self.path_to_status[real_path] = u'=== %s %s' % (
103
 
#                    change_type, display_path)
 
236
#                self.path_to_status[real_path] = u'=== %s %s' % (change_type, display_path)
104
237
#                if change_type in ('modified', 'renamed and modified'):
105
238
#                    source_ie = source_inv[file_id]
106
239
#                    target_ie = target_inv[file_id]
108
241
#                    source_ie.diff(internal_diff, *old path, *old_tree,
109
242
#                                   *new_path, target_ie, self.rev_tree,
110
243
#                                   sio)
111
 
#                    self.path_to_diff[real_path] =
 
244
#                    self.path_to_diff[real_path] = 
112
245
#
113
246
#        finally:
114
247
#            self.rev_tree.unlock()
128
261
    """This is the soft and chewy filling for a DiffWindow."""
129
262
 
130
263
    def __init__(self):
131
 
        super(DiffView, self).__init__()
 
264
        DiffFileView.__init__(self)
132
265
        self.rev_tree = None
133
266
        self.parent_tree = None
134
267
 
158
291
        self.buffer.set_text(decoded.encode('UTF-8'))
159
292
 
160
293
 
161
 
class DiffWidget(Gtk.HPaned):
 
294
class DiffWidget(gtk.HPaned):
162
295
    """Diff widget
163
296
 
164
297
    """
165
 
 
166
 
    SHOW_WIDGETS = True
167
 
 
168
298
    def __init__(self):
169
299
        super(DiffWidget, self).__init__()
170
300
 
171
301
        # The file hierarchy: a scrollable treeview
172
 
        scrollwin = Gtk.ScrolledWindow()
173
 
        scrollwin.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
174
 
        scrollwin.set_shadow_type(Gtk.ShadowType.IN)
 
302
        scrollwin = gtk.ScrolledWindow()
 
303
        scrollwin.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 
304
        scrollwin.set_shadow_type(gtk.SHADOW_IN)
175
305
        self.pack1(scrollwin)
176
 
        if self.SHOW_WIDGETS:
177
 
            scrollwin.show()
 
306
        scrollwin.show()
178
307
 
179
 
        self.model = Gtk.TreeStore(str, str)
180
 
        self.treeview = Gtk.TreeView(model=self.model)
 
308
        self.model = gtk.TreeStore(str, str)
 
309
        self.treeview = gtk.TreeView(self.model)
181
310
        self.treeview.set_headers_visible(False)
182
311
        self.treeview.set_search_column(1)
183
312
        self.treeview.connect("cursor-changed", self._treeview_cursor_cb)
184
313
        scrollwin.add(self.treeview)
185
 
        if self.SHOW_WIDGETS:
186
 
            self.treeview.show()
 
314
        self.treeview.show()
187
315
 
188
 
        cell = Gtk.CellRendererText()
 
316
        cell = gtk.CellRendererText()
189
317
        cell.set_property("width-chars", 20)
190
 
        column = Gtk.TreeViewColumn()
191
 
        column.pack_start(cell, True)
 
318
        column = gtk.TreeViewColumn()
 
319
        column.pack_start(cell, expand=True)
192
320
        column.add_attribute(cell, "text", 0)
193
321
        self.treeview.append_column(column)
194
322
 
199
327
        """
200
328
        # The diffs of the  selected file: a scrollable source or
201
329
        # text view
202
 
 
203
 
    def set_diff_text_sections(self, sections):
204
 
        if getattr(self, 'diff_view', None) is None:
205
 
            self.diff_view = DiffFileView()
206
 
            self.pack2(self.diff_view)
207
 
        if self.SHOW_WIDGETS:
208
 
            self.diff_view.show()
209
 
        for oldname, newname, patch in sections:
 
330
        self.diff_view = DiffFileView()
 
331
        self.diff_view.show()
 
332
        self.pack2(self.diff_view)
 
333
        self.model.append(None, [ "Complete Diff", "" ])
 
334
        self.diff_view._diffs[None] = ''.join(lines)
 
335
        for patch in parse_patches(lines):
 
336
            oldname = patch.oldname.split('\t')[0]
 
337
            newname = patch.newname.split('\t')[0]
 
338
            self.model.append(None, [oldname, newname])
210
339
            self.diff_view._diffs[newname] = str(patch)
211
 
            if newname is None:
212
 
                newname = ''
213
 
            self.model.append(None, [oldname, newname])
214
340
        self.diff_view.show_diff(None)
215
341
 
216
342
    def set_diff(self, rev_tree, parent_tree):
219
345
        Compares the two trees and populates the window with the
220
346
        differences.
221
347
        """
222
 
        if getattr(self, 'diff_view', None) is None:
223
 
            self.diff_view = DiffView()
224
 
            self.pack2(self.diff_view)
225
 
        if self.SHOW_WIDGETS:
226
 
            self.diff_view.show()
 
348
        self.diff_view = DiffView()
 
349
        self.pack2(self.diff_view)
 
350
        self.diff_view.show()
227
351
        self.diff_view.set_trees(rev_tree, parent_tree)
228
352
        self.rev_tree = rev_tree
229
353
        self.parent_tree = parent_tree
231
355
        self.model.clear()
232
356
        delta = self.rev_tree.changes_from(self.parent_tree)
233
357
 
234
 
        self.model.append(None, ["Complete Diff", ""])
 
358
        self.model.append(None, [ "Complete Diff", "" ])
235
359
 
236
360
        if len(delta.added):
237
 
            titer = self.model.append(None, ["Added", None])
 
361
            titer = self.model.append(None, [ "Added", None ])
238
362
            for path, id, kind in delta.added:
239
 
                self.model.append(titer, [path, path])
 
363
                self.model.append(titer, [ path, path ])
240
364
 
241
365
        if len(delta.removed):
242
 
            titer = self.model.append(None, ["Removed", None])
 
366
            titer = self.model.append(None, [ "Removed", None ])
243
367
            for path, id, kind in delta.removed:
244
 
                self.model.append(titer, [path, path])
 
368
                self.model.append(titer, [ path, path ])
245
369
 
246
370
        if len(delta.renamed):
247
 
            titer = self.model.append(None, ["Renamed", None])
 
371
            titer = self.model.append(None, [ "Renamed", None ])
248
372
            for oldpath, newpath, id, kind, text_modified, meta_modified \
249
373
                    in delta.renamed:
250
 
                self.model.append(titer, [oldpath, newpath])
 
374
                self.model.append(titer, [ oldpath, newpath ])
251
375
 
252
376
        if len(delta.modified):
253
 
            titer = self.model.append(None, ["Modified", None])
 
377
            titer = self.model.append(None, [ "Modified", None ])
254
378
            for path, id, kind, text_modified, meta_modified in delta.modified:
255
 
                self.model.append(titer, [path, path])
 
379
                self.model.append(titer, [ path, path ])
256
380
 
257
381
        self.treeview.expand_all()
258
 
        self.diff_view.show_diff(None)
259
382
 
260
383
    def set_file(self, file_path):
261
384
        """Select the current file to display"""
266
389
                    tv_path = child.path
267
390
                    break
268
391
        if tv_path is None:
269
 
            raise errors.NoSuchFile(file_path)
270
 
        self.treeview.set_cursor(tv_path, None, False)
 
392
            raise NoSuchFile(file_path)
 
393
        self.treeview.set_cursor(tv_path)
271
394
        self.treeview.scroll_to_cell(tv_path)
272
395
 
273
396
    def _treeview_cursor_cb(self, *args):
274
397
        """Callback for when the treeview cursor changes."""
275
398
        (path, col) = self.treeview.get_cursor()
276
 
        if path is None:
277
 
            return
278
 
        specific_files = [self.model[path][1]]
279
 
        if specific_files == [None]:
280
 
            return
281
 
        elif specific_files == [""]:
 
399
        specific_files = [ self.model[path][1] ]
 
400
        if specific_files == [ None ]:
 
401
            return
 
402
        elif specific_files == [ "" ]:
282
403
            specific_files = None
283
404
 
284
405
        self.diff_view.show_diff(specific_files)
285
406
 
286
 
    def _on_wraplines_toggled(self, widget=None, wrap=False):
287
 
        """Callback for when the wrap lines checkbutton is toggled"""
288
 
        if wrap or widget.get_active():
289
 
            self.diff_view.sourceview.set_wrap_mode(Gtk.WrapMode.WORD)
290
 
        else:
291
 
            self.diff_view.sourceview.set_wrap_mode(Gtk.WrapMode.NONE)
292
 
 
293
407
 
294
408
class DiffWindow(Window):
295
409
    """Diff window.
298
412
    differences between two revisions on a branch.
299
413
    """
300
414
 
301
 
    SHOW_WIDGETS = True
302
 
 
303
 
    def __init__(self, parent=None, operations=None):
304
 
        super(DiffWindow, self).__init__(parent=parent)
 
415
    def __init__(self, parent=None):
 
416
        Window.__init__(self, parent)
305
417
        self.set_border_width(0)
306
 
        self.set_title("bzr diff")
 
418
        self.set_title("bzrk diff")
307
419
 
308
420
        # Use two thirds of the screen by default
309
421
        screen = self.get_screen()
311
423
        width = int(monitor.width * 0.66)
312
424
        height = int(monitor.height * 0.66)
313
425
        self.set_default_size(width, height)
314
 
        self.construct(operations)
315
 
 
316
 
    def construct(self, operations):
 
426
 
 
427
        self.construct()
 
428
 
 
429
    def construct(self):
317
430
        """Construct the window contents."""
318
 
        self.vbox = Gtk.VBox()
 
431
        self.vbox = gtk.VBox()
319
432
        self.add(self.vbox)
320
 
        if self.SHOW_WIDGETS:
321
 
            self.vbox.show()
 
433
        self.vbox.show()
 
434
        hbox = self._get_button_bar()
 
435
        if hbox is not None:
 
436
            self.vbox.pack_start(hbox, expand=False, fill=True)
322
437
        self.diff = DiffWidget()
323
 
        self.vbox.pack_end(self.diff, True, True, 0)
324
 
        if self.SHOW_WIDGETS:
325
 
            self.diff.show_all()
326
 
        # Build after DiffWidget to connect signals
327
 
        menubar = self._get_menu_bar()
328
 
        self.vbox.pack_start(menubar, False, False, 0)
329
 
        hbox = self._get_button_bar(operations)
330
 
        if hbox is not None:
331
 
            self.vbox.pack_start(hbox, False, True, 0)
332
 
 
333
 
    def _get_menu_bar(self):
334
 
        menubar = Gtk.MenuBar()
335
 
        # View menu
336
 
        mb_view = Gtk.MenuItem.new_with_mnemonic(_i18n("_View"))
337
 
        mb_view_menu = Gtk.Menu()
338
 
        mb_view_wrapsource = Gtk.CheckMenuItem.new_with_mnemonic(
339
 
            _i18n("Wrap _Long Lines"))
340
 
        mb_view_wrapsource.connect('activate', self.diff._on_wraplines_toggled)
341
 
        mb_view_menu.append(mb_view_wrapsource)
342
 
        mb_view.set_submenu(mb_view_menu)
343
 
        menubar.append(mb_view)
344
 
        if self.SHOW_WIDGETS:
345
 
            menubar.show_all()
346
 
        return menubar
347
 
 
348
 
    def _get_button_bar(self, operations):
 
438
        self.vbox.add(self.diff)
 
439
        self.diff.show_all()
 
440
 
 
441
    def _get_button_bar(self):
349
442
        """Return a button bar to use.
350
443
 
351
444
        :return: None, meaning that no button bar will be used.
352
445
        """
353
 
        if operations is None:
354
 
            return None
355
 
        hbox = Gtk.HButtonBox()
356
 
        hbox.set_layout(Gtk.ButtonBoxStyle.START)
357
 
        for title, method in operations:
358
 
            merge_button = Gtk.Button(title)
359
 
            if self.SHOW_WIDGETS:
360
 
                merge_button.show()
361
 
            merge_button.set_relief(Gtk.ReliefStyle.NONE)
362
 
            merge_button.connect("clicked", method)
363
 
            hbox.pack_start(merge_button, False, True, 0)
364
 
        if self.SHOW_WIDGETS:
365
 
            hbox.show()
366
 
        return hbox
367
 
 
368
 
    def _get_merge_target(self):
369
 
        d = Gtk.FileChooserDialog('Merge branch', self,
370
 
                                  Gtk.FileChooserAction.SELECT_FOLDER,
371
 
                                  buttons=(Gtk.STOCK_OK, Gtk.ResponseType.OK,
372
 
                                           Gtk.STOCK_CANCEL,
373
 
                                           Gtk.ResponseType.CANCEL,))
374
 
        try:
375
 
            result = d.run()
376
 
            if result != Gtk.ResponseType.OK:
377
 
                raise SelectCancelled()
378
 
            return d.get_current_folder_uri()
379
 
        finally:
380
 
            d.destroy()
381
 
 
382
 
    def _merge_successful(self):
383
 
        # No conflicts found.
384
 
        info_dialog(_i18n('Merge successful'),
385
 
                    _i18n('All changes applied successfully.'))
386
 
 
387
 
    def _conflicts(self):
388
 
        warning_dialog(_i18n('Conflicts encountered'),
389
 
                       _i18n('Please resolve the conflicts manually'
390
 
                             ' before committing.'))
391
 
 
392
 
    def _handle_error(self, e):
393
 
        error_dialog('Error', str(e))
394
 
 
395
 
    def _get_save_path(self, basename):
396
 
        d = Gtk.FileChooserDialog('Save As', self,
397
 
                                  Gtk.FileChooserAction.SAVE,
398
 
                                  buttons=(Gtk.STOCK_OK, Gtk.ResponseType.OK,
399
 
                                           Gtk.STOCK_CANCEL,
400
 
                                           Gtk.ResponseType.CANCEL,))
401
 
        d.set_current_name(basename)
402
 
        try:
403
 
            result = d.run()
404
 
            if result != Gtk.ResponseType.OK:
405
 
                raise SelectCancelled()
406
 
            return urlutils.local_path_from_url(d.get_uri())
407
 
        finally:
408
 
            d.destroy()
 
446
        return None
 
447
 
 
448
    def set_diff_text(self, description, lines):
 
449
        """Set the diff from a text.
 
450
 
 
451
        The diff must be in unified diff format, and will be parsed to
 
452
        determine filenames.
 
453
        """
 
454
        self.diff.set_diff_text(lines)
 
455
        self.set_title(description + " - bzrk diff")
409
456
 
410
457
    def set_diff(self, description, rev_tree, parent_tree):
411
458
        """Set the differences showed by this window.
420
467
        self.diff.set_file(file_path)
421
468
 
422
469
 
423
 
class DiffController(object):
 
470
class MergeDirectiveWindow(DiffWindow):
424
471
 
425
 
    def __init__(self, path, patch, window=None, allow_dirty=False):
 
472
    def __init__(self, directive, path):
 
473
        DiffWindow.__init__(self, None)
 
474
        self._merge_target = None
 
475
        self.directive = directive
426
476
        self.path = path
427
 
        self.patch = patch
428
 
        self.allow_dirty = allow_dirty
429
 
        if window is None:
430
 
            window = DiffWindow(operations=self._provide_operations())
431
 
            self.initialize_window(window)
432
 
        self.window = window
433
 
 
434
 
    def initialize_window(self, window):
435
 
        window.diff.set_diff_text_sections(self.get_diff_sections())
436
 
        window.set_title(self.path + " - diff")
437
 
 
438
 
    def get_diff_sections(self):
439
 
        yield "Complete Diff", None, ''.join(self.patch)
440
 
        # allow_dirty was added to parse_patches in bzrlib 2.2b1
441
 
        if 'allow_dirty' in inspect.getargspec(parse_patches).args:
442
 
            patches = parse_patches(self.patch, allow_dirty=self.allow_dirty)
443
 
        else:
444
 
            patches = parse_patches(self.patch)
445
 
        for patch in patches:
446
 
            oldname = patch.oldname.split('\t')[0]
447
 
            newname = patch.newname.split('\t')[0]
448
 
            yield oldname, newname, str(patch)
449
 
 
450
 
    def perform_save(self, window):
451
 
        try:
452
 
            save_path = self.window._get_save_path(osutils.basename(self.path))
453
 
        except SelectCancelled:
454
 
            return
455
 
        source = open(self.path, 'rb')
456
 
        try:
457
 
            target = open(save_path, 'wb')
458
 
            try:
459
 
                osutils.pumpfile(source, target)
460
 
            finally:
461
 
                target.close()
462
 
        finally:
463
 
            source.close()
464
 
 
465
 
    def _provide_operations(self):
466
 
        return [('Save', self.perform_save)]
467
 
 
468
 
 
469
 
class MergeDirectiveController(DiffController):
470
 
 
471
 
    def __init__(self, path, directive, window=None):
472
 
        super(MergeDirectiveController, self).__init__(
473
 
            path, directive.patch.splitlines(True), window)
474
 
        self.directive = directive
475
 
        self.merge_target = None
476
 
 
477
 
    def _provide_operations(self):
478
 
        return [('Merge', self.perform_merge), ('Save', self.perform_save)]
 
477
 
 
478
    def _get_button_bar(self):
 
479
        """The button bar has only the Merge button"""
 
480
        merge_button = gtk.Button('Merge')
 
481
        merge_button.show()
 
482
        merge_button.set_relief(gtk.RELIEF_NONE)
 
483
        merge_button.connect("clicked", self.perform_merge)
 
484
 
 
485
        save_button = gtk.Button('Save')
 
486
        save_button.show()
 
487
        save_button.set_relief(gtk.RELIEF_NONE)
 
488
        save_button.connect("clicked", self.perform_save)
 
489
 
 
490
        hbox = gtk.HButtonBox()
 
491
        hbox.set_layout(gtk.BUTTONBOX_START)
 
492
        hbox.pack_start(merge_button, expand=False, fill=True)
 
493
        hbox.pack_start(save_button, expand=False, fill=True)
 
494
        hbox.show()
 
495
        return hbox
479
496
 
480
497
    def perform_merge(self, window):
481
 
        if self.merge_target is None:
482
 
            try:
483
 
                self.merge_target = self.window._get_merge_target()
484
 
            except SelectCancelled:
485
 
                return
486
 
        tree = workingtree.WorkingTree.open(self.merge_target)
 
498
        try:
 
499
            tree = self._get_merge_target()
 
500
        except SelectCancelled:
 
501
            return
487
502
        tree.lock_write()
488
503
        try:
489
504
            try:
490
 
                if tree.has_changes():
491
 
                    raise errors.UncommittedChanges(tree)
492
 
                merger, verified = _mod_merge.Merger.from_mergeable(
493
 
                    tree, self.directive, pb=None)
 
505
                merger, verified = _mod_merge.Merger.from_mergeable(tree,
 
506
                    self.directive, progress.DummyProgress())
 
507
                merger.check_basis(True)
494
508
                merger.merge_type = _mod_merge.Merge3Merger
495
509
                conflict_count = merger.do_merge()
496
510
                merger.set_pending()
497
511
                if conflict_count == 0:
498
 
                    self.window._merge_successful()
 
512
                    # No conflicts found.
 
513
                    info_dialog(_('Merge successful'),
 
514
                                _('All changes applied successfully.'))
499
515
                else:
500
 
                    self.window._conflicts()
501
516
                    # There are conflicts to be resolved.
502
 
                self.window.destroy()
 
517
                    warning_dialog(_('Conflicts encountered'),
 
518
                                   _('Please resolve the conflicts manually'
 
519
                                     ' before committing.'))
 
520
                self.destroy()
503
521
            except Exception, e:
504
 
                self.window._handle_error(e)
 
522
                error_dialog('Error', str(e))
505
523
        finally:
506
524
            tree.unlock()
507
525
 
 
526
    def _get_merge_target(self):
 
527
        if self._merge_target is not None:
 
528
            return self._merge_target
 
529
        d = gtk.FileChooserDialog('Merge branch', self,
 
530
                                  gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER,
 
531
                                  buttons=(gtk.STOCK_OK, gtk.RESPONSE_OK,
 
532
                                           gtk.STOCK_CANCEL,
 
533
                                           gtk.RESPONSE_CANCEL,))
 
534
        try:
 
535
            result = d.run()
 
536
            if result != gtk.RESPONSE_OK:
 
537
                raise SelectCancelled()
 
538
            uri = d.get_current_folder_uri()
 
539
        finally:
 
540
            d.destroy()
 
541
        return workingtree.WorkingTree.open(uri)
 
542
 
 
543
    def perform_save(self, window):
 
544
        d = gtk.FileChooserDialog('Save As', self,
 
545
                                  gtk.FILE_CHOOSER_ACTION_SAVE,
 
546
                                  buttons=(gtk.STOCK_OK, gtk.RESPONSE_OK,
 
547
                                           gtk.STOCK_CANCEL,
 
548
                                           gtk.RESPONSE_CANCEL,))
 
549
        d.set_current_name(osutils.basename(self.path))
 
550
        try:
 
551
            try:
 
552
                result = d.run()
 
553
                if result != gtk.RESPONSE_OK:
 
554
                    raise SelectCancelled()
 
555
                uri = d.get_uri()
 
556
            finally:
 
557
                d.destroy()
 
558
        except SelectCancelled:
 
559
            return
 
560
        source = open(self.path, 'rb')
 
561
        try:
 
562
            target = open(urlutils.local_path_from_url(uri), 'wb')
 
563
            try:
 
564
                target.write(source.read())
 
565
            finally:
 
566
                target.close()
 
567
        finally:
 
568
            source.close()
 
569
 
508
570
 
509
571
def iter_changes_to_status(source, target):
510
572
    """Determine the differences between trees.
522
584
    renamed_and_modified = 'renamed and modified'
523
585
    modified = 'modified'
524
586
    kind_changed = 'kind changed'
525
 
    missing = 'missing'
526
587
 
527
588
    # TODO: Handle metadata changes
528
589
 
543
604
                    source_marker = ''
544
605
                else:
545
606
                    source_marker = osutils.kind_marker(kinds[0])
546
 
 
547
607
                if kinds[1] is None:
548
 
                    if kinds[0] is None:
549
 
                        # We assume bzr will flag only files in that case,
550
 
                        # there may be a bzr bug there as only files seems to
551
 
                        # not receive any kind.
552
 
                        marker = osutils.kind_marker('file')
553
 
                    else:
554
 
                        marker = osutils.kind_marker(kinds[0])
 
608
                    assert kinds[0] is not None
 
609
                    marker = osutils.kind_marker(kinds[0])
555
610
                else:
556
611
                    marker = osutils.kind_marker(kinds[1])
557
612
 
559
614
                if real_path is None:
560
615
                    real_path = paths[0]
561
616
                assert real_path is not None
 
617
                display_path = real_path + marker
562
618
 
563
619
                present_source = versioned[0] and kinds[0] is not None
564
620
                present_target = versioned[1] and kinds[1] is not None
565
621
 
566
 
                if kinds[0] is None and kinds[1] is None:
567
 
                    change_type = missing
568
 
                    display_path = real_path + marker
569
 
                elif present_source != present_target:
 
622
                if present_source != present_target:
570
623
                    if present_target:
571
624
                        change_type = added
572
625
                    else:
573
626
                        assert present_source
574
627
                        change_type = removed
575
 
                    display_path = real_path + marker
576
628
                elif names[0] != names[1] or parent_ids[0] != parent_ids[1]:
577
629
                    # Renamed
578
630
                    if changed_content or executables[0] != executables[1]:
586
638
                    change_type = kind_changed
587
639
                    display_path = (paths[0] + source_marker
588
640
                                    + ' => ' + paths[1] + marker)
589
 
                elif changed_content or executables[0] != executables[1]:
 
641
                elif changed_content is True or executables[0] != executables[1]:
590
642
                    change_type = modified
591
 
                    display_path = real_path + marker
592
643
                else:
593
644
                    assert False, "How did we get here?"
594
645