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folder_views.py
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folder_views.py
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# -*- coding: UTF-8 -*-
# Copyright (C) 2008 Juan David Ibáñez Palomar <[email protected]>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
# Import from the Python Image Library
try:
from PIL import Image as PILImage
except ImportError:
PILImage = None
# Import from itools
from itools.core import merge_dicts
from itools.database import AndQuery, NotQuery, PhraseQuery, OrQuery, TextQuery
from itools.datatypes import Boolean, Enumerate, Integer, String, Unicode
from itools.gettext import MSG
from itools.handlers import checkid
from itools.handlers.utils import transmap
from itools.html import stream_is_empty
from itools.uri import get_reference, Path
from itools.web import BaseView, STLView, get_context
# Import from ikaaro
from autoform import SelectWidget, TextWidget
from buttons import PasteButton
from buttons import Remove_BrowseButton, RenameButton, CopyButton, CutButton
from buttons import ZipButton
from datatypes import CopyCookie
from exceptions import ConsistencyError
from utils import generate_name, get_base_path_query, get_content_containers
from views import IconsView, BrowseForm, ContextMenu
import messages
class SearchTypes_Enumerate(Enumerate):
def get_options(self):
context = get_context()
resource = context.resource
view = context.view
# 1. Build the query of all objects to search
query = get_base_path_query(resource.abspath)
if view.search_content_only(resource, context) is True:
content_query = PhraseQuery('is_content', True)
query = AndQuery(query, content_query)
# 2. Compute children_formats
children_formats = set()
for child in context.search(query).get_documents():
children_formats.add(child.format)
# 3. Do not show two options with the same title
formats = {}
for type in children_formats:
cls = context.database.get_resource_class(type)
title = cls.class_title.gettext()
formats.setdefault(title, []).append(type)
# 4. Build the namespace
types = []
for title, type in formats.items():
type = ','.join(type)
types.append({'name': type, 'value': title})
types.sort(key=lambda x: x['value'].lower())
return types
# This is done to fix an error: select one resource type, remove all
# resources, then traceback.
def is_valid(self, value):
return True
class ZoomMenu(ContextMenu):
title = MSG(u'Zoom')
def get_items(self):
uri = self.context.uri
# Compute previous and next sizes
current_size = self.context.query['size']
size_steps = self.resource.SIZE_STEPS
min_size = size_steps[0]
max_size = size_steps[-1]
current_size = max(min_size, min(current_size, max_size))
previous_size = min_size
next_size = max_size
for step in size_steps:
if step < current_size:
previous_size = step
if next_size is max_size and step > current_size:
next_size = step
next_size = str(next_size)
previous_size = str(previous_size)
return [
{'title': MSG(u'Zoom In'),
'src': '/ui/icons/16x16/zoom_in.png',
'href': uri.replace(size=next_size)},
{'title': MSG(u'Zoom Out'),
'src': '/ui/icons/16x16/zoom_out.png',
'href': uri.replace(size=previous_size)}
]
class Folder_View(BaseView):
access = 'is_allowed_to_view'
title = MSG(u'View')
def GET(self, resource, context):
stream = resource.get_html_field_body_stream('index')
stream = list(stream)
return stream if not stream_is_empty(stream) else ''
class Folder_NewResource(IconsView):
access = 'is_allowed_to_add'
title = MSG(u'Add resource')
icon = 'new.png'
def GET(self, resource, context):
# If only one type of event, we redirect on it
items = self.get_items(resource, context)
if len(items) == 1:
return self.get_url(items[0].class_id, context)
return super(Folder_NewResource, self).GET(resource, context)
def get_url(self, class_id, context):
query = context.uri.query.copy()
query['type'] = class_id
query['referrer'] = context.get_referrer()
uri = context.uri.resolve('./;new_resource')
uri.query = query
return uri
def get_items(self, resource, context):
# 1. Static classes
aux = set()
document_types = []
for container in get_content_containers(context):
if container.class_id in aux:
continue
aux.add(container.class_id)
for cls in container.get_document_types():
if cls not in document_types:
document_types.append(cls)
# 2. Add dynamic models
for cls in context.database.get_dynamic_classes():
document_types.append(cls)
# Ok
return document_types
def get_namespace(self, resource, context):
items = [
{'icon': '/ui/' + cls.class_icon48,
'title': cls.class_title,
'description': cls.class_description,
'url': self.get_url(cls.class_id, context)}
for cls in self.get_items(resource, context) ]
return {'batch': None, 'items': items}
class Folder_Rename(STLView):
access = 'is_allowed_to_edit'
title = MSG(u'Rename resources')
template = '/ui/folder/rename.xml'
query_schema = {
'ids': String(multiple=True)}
schema = {
'paths': String(multiple=True, mandatory=True),
'new_names': String(multiple=True, mandatory=True)}
goto_after = ';browse_content'
def get_namespace(self, resource, context):
ids = context.query['ids']
# Filter names which the authenticated user is not allowed to move
root = context.root
user = context.user
paths = [ x for x in ids
if root.is_allowed_to_move(user, resource.get_resource(x)) ]
# Build the namespace
paths.sort()
paths.reverse()
items = []
for path in paths:
if '/' in path:
parent_path, name = path.rsplit('/', 1)
parent_path += '/'
else:
parent_path = ''
name = path
items.append({
'path': path,
'parent_path': parent_path,
'name': name})
return {'items': items}
def action(self, resource, context, form):
paths = form['paths']
new_names = form['new_names']
paths.sort()
paths.reverse()
# Clean the copy cookie if needed
cut, cp_paths = context.get_cookie('ikaaro_cp', datatype=CopyCookie)
renamed = []
referenced = []
# Process input data
abspath = resource.abspath
for i, path in enumerate(paths):
new_name = new_names[i]
new_name = checkid(new_name)
if new_name is None:
context.message = messages.MSG_BAD_NAME
return
# Split the path
if '/' in path:
parent_path, old_name = path.rsplit('/', 1)
container = resource.get_resource(parent_path)
else:
old_name = path
container = resource
# Check the name really changed
if new_name == old_name:
continue
# Check there is not another resource with the same name
if container.get_resource(new_name, soft=True) is not None:
context.message = messages.MSG_EXISTANT_FILENAME
return
# Clean cookie (FIXME Do not clean the cookie, update it)
if cp_paths and str(abspath.resolve2(path)) in cp_paths:
context.del_cookie('ikaaro_cp')
cp_paths = []
# Rename
try:
container.move_resource(old_name, new_name)
except ConsistencyError:
referenced.append(old_name)
continue
else:
renamed.append(old_name)
if referenced and not renamed:
resources = ', '.join(referenced)
message = messages.MSG_RESOURCES_REFERENCED(resources=resources)
else:
message = messages.MSG_RENAMED
return context.come_back(message, goto=self.goto_after)
class Folder_BrowseContent(BrowseForm):
access = 'is_allowed_to_view'
title = MSG(u'Browse Content')
context_menus = []
query_schema = merge_dicts(BrowseForm.query_schema,
sort_by=String(default='mtime'),
reverse=Boolean(default=True))
schema = {
'ids': String(multiple=True, mandatory=True)}
# Search Form
search_widgets = [
TextWidget('text', title=MSG(u'Text')),
SelectWidget('format', title=MSG(u'Type'))]
search_schema = {
'text': Unicode,
'format': SearchTypes_Enumerate}
# Table
table_columns = [
('checkbox', None),
('icon', None),
('abspath', MSG(u'Path')),
('title', MSG(u'Title')),
('format', MSG(u'Type')),
('mtime', MSG(u'Last Modified')),
('last_author', MSG(u'Last Author'))]
table_actions = [
Remove_BrowseButton, RenameButton,
CopyButton, CutButton, PasteButton,
ZipButton]
def search_content_only(self, resource, context):
return resource.is_content
def get_scripts(self, context):
scripts = []
if self.search_widgets:
for widget in self.search_widgets:
for script in widget.scripts:
if script not in scripts:
scripts.append(script)
return scripts
def get_styles(self, context):
styles = []
if self.search_widgets:
for widget in self.search_widgets:
for style in widget.styles:
if style not in styles:
styles.append(style)
return styles
depth = None
base_classes = None
def get_items_query(self, resource, context):
# Search in subtree
query = get_base_path_query(resource.abspath, max_depth=self.depth)
# Base classes
base_classes = self.base_classes
if base_classes is not None:
base_classes_query = OrQuery(*
[ PhraseQuery('base_classes', x) for x in base_classes ])
query = AndQuery(query, base_classes_query)
# Exclude non-content
if self.search_content_only(resource, context) is True:
query = AndQuery(query, PhraseQuery('is_content', True))
return query
def get_search_query(self, resource, context):
query = AndQuery()
form = context.query
for key, datatype in self.search_schema.items():
value = form[key]
if value is None or value == '':
continue
# Special case: search on text, title and name AS AndQuery
if key == 'text':
text_query = []
value = value.split(' ')
for v in value:
t_query = OrQuery(TextQuery('title', v),
TextQuery('text', v),
PhraseQuery('name', v))
text_query.append(t_query)
if len(text_query) == 1:
text_query = text_query[0]
else:
text_query = AndQuery(*text_query)
query.append(text_query)
# Special case: type
elif key == 'format':
squery = [ PhraseQuery('format', x) for x in value.split(',') ]
squery = squery[0] if len(squery) == 1 else OrQuery(*squery)
query.append(squery)
# Multiple
elif datatype.multiple is True:
query.append(OrQuery(*[ PhraseQuery(key, x) for x in value ]))
# Singleton
else:
if value is False:
# FIXME No value means False in xapian
query.append(NotQuery(PhraseQuery(key, True)))
else:
query.append(PhraseQuery(key, value))
return query
def get_items(self, resource, context):
# Base query
query = self.get_items_query(resource, context)
# Search form
search_query = self.get_search_query(resource, context)
if search_query:
query = AndQuery(query, search_query)
# Search
return context.search(query)
def _get_key_sorted_by_unicode(self, field):
def key(item):
return getattr(item, field).lower().translate(transmap)
return key
def _get_key_sorted_by_user(self, field):
get_user_title = self.context.root.get_user_title
def key(item, cache={}):
user = getattr(item, field)
if user in cache:
return cache[user]
if user:
title = get_user_title(user)
value = title.lower().translate(transmap)
else:
value = None
cache[user] = value
return value
return key
def get_key_sorted_by_title(self):
return self._get_key_sorted_by_unicode('title')
def get_key_sorted_by_format(self):
database = self.context.database
def key(item, cache={}):
format = item.format
if format in cache:
return cache[format]
cls = database.get_resource_class(format)
value = cls.class_title.gettext().lower().translate(transmap)
cache[format] = value
return value
return key
def get_key_sorted_by_last_author(self):
return self._get_key_sorted_by_user('last_author')
def sort_and_batch(self, resource, context, results):
start = context.query['batch_start']
size = context.query['batch_size']
sort_by = context.query['sort_by']
reverse = context.query['reverse']
if sort_by is None:
get_key = None
else:
get_key = getattr(self, 'get_key_sorted_by_' + sort_by, None)
# Case 1: Custom but slower sort algorithm
if get_key:
items = results.get_documents()
items.sort(key=get_key(), reverse=reverse)
if size:
items = items[start:start+size]
elif start:
items = items[start:]
database = resource.database
return [ database.get_resource(x.abspath) for x in items ]
# Case 2: Faster Xapian sort algorithm
items = results.get_resources(sort_by, reverse, start, size)
return list(items)
def get_item_value(self, resource, context, item, column):
if column == 'checkbox':
# checkbox
parent = item.parent
if parent is None:
return None
if item.name in parent.__fixed_handlers__:
return None
id = resource.abspath.get_pathto(item.abspath)
id = str(id)
return id, False
elif column == 'icon':
# icon
path_to_icon = item.get_resource_icon(16)
if not path_to_icon:
return None
if path_to_icon.startswith(';'):
path_to_icon = Path('%s/' % item.name).resolve(path_to_icon)
return path_to_icon
elif column == 'abspath':
# Name
id = resource.abspath.get_pathto(item.abspath)
id = str(id)
view = item.get_view(None)
if view is None:
return id
href = '%s/' % context.get_link(item)
return id, href
elif column == 'format':
# Type
return item.class_title.gettext()
elif column == 'mtime':
# Last Modified
mtime = item.get_value('mtime')
if mtime:
return context.format_datetime(mtime)
return None
elif column == 'last_author':
# Last author
author = item.get_value('last_author')
return context.root.get_user_title(author) if author else None
elif column == 'row_css':
return None
# Default
return item.get_value_title(column)
#######################################################################
# Form Actions
#######################################################################
def action_remove(self, resource, context, form):
ids = form['ids']
# Remove resources
removed = []
referenced = []
not_removed = []
user = context.user
root = context.root
# We sort and reverse ids in order to
# remove the childs then their parents
ids.sort()
ids.reverse()
for name in ids:
child = resource.get_resource(name)
if root.is_allowed_to_remove(user, child):
# Remove resource
try:
resource.del_resource(name)
except ConsistencyError:
referenced.append(name)
continue
removed.append(name)
else:
not_removed.append(name)
message = []
if removed:
resources = ', '.join(removed)
msg = messages.MSG_RESOURCES_REMOVED(resources=resources)
message.append(msg)
if referenced:
items = []
for name in referenced:
item = resource.get_resource(name)
view = item.get_view('backlinks')
if context.is_access_allowed(item, view):
items.append({'title': item.get_title(),
'href': '%s/;backlinks' % item.abspath})
msg = messages.MSG_RESOURCES_REFERENCED_HTML(resources=items)
message.append(msg)
if not_removed:
resources = ', '.join(not_removed)
msg = messages.MSG_RESOURCES_NOT_REMOVED(resources=resources)
message.append(msg)
if not removed and not referenced and not not_removed:
message.append(messages.MSG_NONE_REMOVED)
context.message = message
def action_rename(self, resource, context, form):
ids = form['ids']
# Filter names which the authenticated user is not allowed to move
root = context.root
user = context.user
paths = [ x for x in ids
if root.is_allowed_to_move(user, resource.get_resource(x)) ]
# Check input data
if not paths:
context.message = messages.MSG_NONE_SELECTED
return
# FIXME Hack to get rename working. The current user interface forces
# the rename_form to be called as a form action, hence with the POST
# method, but it should be a GET method. Maybe it will be solved after
# the needed folder browse overhaul.
ids_list = '&'.join([ 'ids=%s' % x for x in paths ])
uri = '%s/;rename?%s' % (context.get_link(resource), ids_list)
return get_reference(uri)
def action_copy(self, resource, context, form):
ids = form['ids']
# Filter names which the authenticated user is not allowed to copy
root = context.root
user = context.user
names = [ x for x in ids
if root.is_allowed_to_copy(user, resource.get_resource(x)) ]
# Check input data
if not names:
context.message = messages.MSG_NONE_SELECTED
return
abspath = resource.abspath
cp = (False, [ str(abspath.resolve2(x)) for x in names ])
cp = CopyCookie.encode(cp)
context.set_cookie('ikaaro_cp', cp, path='/')
# Ok
context.message = messages.MSG_COPIED
def action_cut(self, resource, context, form):
ids = form['ids']
# Filter names which the authenticated user is not allowed to move
root = context.root
user = context.user
names = [ x for x in ids
if root.is_allowed_to_move(user, resource.get_resource(x)) ]
# Check input data
if not names:
context.message = messages.MSG_NONE_SELECTED
return
abspath = resource.abspath
cp = (True, [ str(abspath.resolve2(x)) for x in names ])
cp = CopyCookie.encode(cp)
context.set_cookie('ikaaro_cp', cp, path='/')
context.message = messages.MSG_CUT
action_paste_schema = {}
def action_paste(self, resource, context, form):
# Check there is something to paste
cut, paths = context.get_cookie('ikaaro_cp', datatype=CopyCookie)
if len(paths) == 0:
context.message = messages.MSG_NO_PASTE
return
# Paste
target = resource
pasted = []
not_allowed = []
for path in paths:
# Check the source resource still exists
source = target.get_resource(path, soft=True)
if source is None:
continue
# If cut&paste in the same place, do nothing
if cut is True:
if target == source.parent:
pasted.append(source.name)
continue
name = generate_name(source.name, target.get_names(), '_copy_')
if cut is True:
# Cut&Paste
try:
target.move_resource(path, name)
except ConsistencyError:
not_allowed.append(source.name)
continue
else:
pasted.append(name)
else:
# Copy&Paste
try:
target.copy_resource(path, name)
except ConsistencyError:
not_allowed.append(source.name)
continue
else:
pasted.append(name)
# Cut, clean cookie
if cut is True:
context.del_cookie('ikaaro_cp')
message = []
if pasted:
resources = ', '.join(pasted)
message.append(messages.MSG_RESOURCES_PASTED(resources=resources))
if not_allowed:
resources = ', '.join(not_allowed)
msg = messages.MSG_RESOURCES_NOT_PASTED(resources=resources)
message.append(msg)
context.message = message
def action_zip(self, resource, context, form):
names = sorted(form['ids'], reverse=True)
data = resource.export_zip(names)
# Content-Type & Content-Disposition
context.set_content_type('application/zip')
filename = 'archive.zip'
context.set_content_disposition('inline', filename)
# Ok
return data
class Folder_PreviewContent(Folder_BrowseContent):
title = MSG(u'Preview Content')
styles = ['/ui/gallery/style.css']
context_menus = Folder_BrowseContent.context_menus + [ZoomMenu()]
base_classes = ('image',)
def get_query_schema(self):
# Define a huge batch limit, and the image size parameter
schema = super(Folder_PreviewContent, self).get_query_schema()
return merge_dicts(schema,
batch_size=Integer(default=0),
size=Integer(default=128),
width=String,
height=String)
# Table
table_template = '/ui/folder/browse_image.xml'
def get_table_head(self, resource, context, items):
actions = self.actions_namespace
# Get from the query
query = context.query
sort_by = query['sort_by']
reverse = query['reverse']
columns = self._get_table_columns(resource, context)
columns_ns = []
for name, title, sortable, css in columns:
if name == 'checkbox':
# Type: checkbox
if actions:
columns_ns.append({'is_checkbox': True})
elif title is None:
# Type: nothing
continue
elif not sortable:
# Type: nothing or not sortable
columns_ns.append({
'is_checkbox': False,
'title': title,
'href': None})
else:
# Type: normal
kw = {'sort_by': name}
if name == sort_by:
col_reverse = (not reverse)
order = 'up' if reverse else 'down'
else:
col_reverse = False
order = 'none'
kw['reverse'] = Boolean.encode(col_reverse)
columns_ns.append({
'is_checkbox': False,
'title': title,
'order': order,
'href': context.uri.replace(**kw),
})
def get_table_namespace(self, resource, context, items):
# Get from the query
query = context.query
width = query['width']
height = query['height']
# (0) Zoom
current_size = query['size']
min_size = resource.SIZE_STEPS[0]
max_size = resource.SIZE_STEPS[-1]
current_size = max(min_size, min(current_size, max_size))
# (1) Actions (submit buttons)
self._items = items
actions = self.actions_namespace
# (2) Table Head: columns
table_head = self.get_table_head(resource, context, items)
# (3) Table Body: rows
columns = self._get_table_columns(resource, context)
rows = []
for item in items:
row = {'checkbox': False,
# These are required for internal use
'title_or_name': item.get_title()}
# XXX Already hard-coded in the catalog search
row['is_folder'] = (item.class_id == 'folder')
for name, title, sortable, css in columns:
value = self.get_item_value(resource, context, item, name)
if value is None:
continue
elif name == 'checkbox':
if actions:
value, checked = value
row['checkbox'] = True
row['id'] = value
row['checked'] = checked
elif name == 'abspath':
if type(value) is tuple:
row['name'], row['href'] = value
else:
row['name'] = value
row['href'] = None
else:
row[name] = value
rows.append(row)
return {
'root': resource.parent is None,
'size': current_size,
'width': width,
'height': height,
'css': self.table_css,
'columns': table_head,
'rows': rows,
'actions': actions}
class Folder_Thumbnail(BaseView):
access = True
default_icon = '/ui/gallery/folder.png'
def GET(self, resource, context):
default_icon = context.get_template(self.default_icon)
if PILImage is None:
# Full size but better than nothing
data = default_icon.to_str()
format = 'png'
else:
# Default icon for empty or inaccessible folders
width = context.get_form_value('width', type=Integer, default=48)
height = context.get_form_value('height', type=Integer, default=48)
data, format = default_icon.get_thumbnail(width, height)
# XXX Don't cache nothing here
# The image thumbnail was cached in the image handler
# The folder thumbnail was cached in the folder handler
# Accessible images depend on too many parameters
context.content_type = 'image/%s' % format
return data
class GoToSpecificDocument(BaseView):
access = 'is_allowed_to_view'
title = MSG(u'Front Page')
icon = 'view.png'
specific_document = 'FrontPage'
specific_view = None
def get_specific_document(self, resource, context):
return self.specific_document
def get_specific_view(self, resource, context):
return self.specific_view
def GET(self, resource, context):
specific_document = self.get_specific_document(resource, context)
specific_view = self.get_specific_view(resource, context)
goto = '%s/%s' % (context.get_link(resource), specific_document)
if specific_view:
goto = '%s/;%s' % (goto, specific_view)
goto = get_reference(goto)
# Keep the message
message = context.get_form_value('message')
if message:
goto = goto.replace(message=message)
return goto