From d531555fe3483fac7676aa634f3787e8eab9b67f Mon Sep 17 00:00:00 2001
From: Matthias Baumgartner <dev@igsor.net>
Date: Wed, 25 Jan 2023 17:31:10 +0100
Subject: grouping

---
 .gitignore                                         |   1 +
 tagit/actions/__init__.py                          |  10 +-
 tagit/actions/grouping.py                          |  65 ++++-----
 tagit/apps/port-config.yaml                        |  17 ++-
 tagit/assets/icons/scalable/grouping/add.svg       | 147 +++++++++++++++++++++
 tagit/assets/icons/scalable/grouping/create.svg    | 135 +++++++++++++++++++
 tagit/assets/icons/scalable/grouping/group.svg     | 127 ++++++++++++++++++
 tagit/assets/icons/scalable/grouping/remove.svg    | 133 +++++++++++++++++++
 tagit/assets/icons/scalable/grouping/represent.svg | 133 +++++++++++++++++++
 tagit/assets/icons/scalable/grouping/ungroup.svg   | 134 +++++++++++++++++++
 10 files changed, 861 insertions(+), 41 deletions(-)
 create mode 100644 tagit/assets/icons/scalable/grouping/add.svg
 create mode 100644 tagit/assets/icons/scalable/grouping/create.svg
 create mode 100644 tagit/assets/icons/scalable/grouping/group.svg
 create mode 100644 tagit/assets/icons/scalable/grouping/remove.svg
 create mode 100644 tagit/assets/icons/scalable/grouping/represent.svg
 create mode 100644 tagit/assets/icons/scalable/grouping/ungroup.svg

diff --git a/.gitignore b/.gitignore
index 5c8310a..084e82d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,6 +34,7 @@ tagit/external/setproperty/setproperty.cpython*
 # assets
 tagit/assets/icons/kivy/browser*
 tagit/assets/icons/kivy/filter*
+tagit/assets/icons/kivy/grouping*
 tagit/assets/icons/kivy/misc*
 tagit/assets/icons/kivy/planes*
 tagit/assets/icons/kivy/search*
diff --git a/tagit/actions/__init__.py b/tagit/actions/__init__.py
index 6416a4b..7144e44 100644
--- a/tagit/actions/__init__.py
+++ b/tagit/actions/__init__.py
@@ -13,7 +13,7 @@ from tagit.utils.builder import BuilderBase
 # inner-module imports
 from . import browser
 from . import filter
-#from . import grouping
+from . import grouping
 from . import misc
 #from . import objects
 from . import planes
@@ -67,10 +67,10 @@ class ActionBuilder(BuilderBase):
         #'SearchByAddressOnce': filter.SearchByAddressOnce,
         #'SearchmodeSwitch': filter.SearchmodeSwitch,
         ## grouping
-        #'CreateGroup': grouping.CreateGroup,
-        #'DissolveGroup': grouping.DissolveGroup,
-        #'AddToGroup': grouping.AddToGroup,
-        #'OpenGroup': grouping.OpenGroup,
+        'CreateGroup': grouping.CreateGroup,
+        'DissolveGroup': grouping.DissolveGroup,
+        'AddToGroup': grouping.AddToGroup,
+        'OpenGroup': grouping.OpenGroup,
         #'RepresentGroup': grouping.RepresentGroup,
         #'RemoveFromGroup': grouping.RemoveFromGroup,
         ## misc
diff --git a/tagit/actions/grouping.py b/tagit/actions/grouping.py
index eddaeb6..05c651e 100644
--- a/tagit/actions/grouping.py
+++ b/tagit/actions/grouping.py
@@ -15,14 +15,16 @@ import kivy.properties as kp
 
 # tagit imports
 from tagit import config, dialogues
-#from tagit.parsing.search import ast # FIXME: mb/port
-#from tagit.storage.broker import Representative # FIXME: mb/port
+from tagit.utils import Frame, ns
+from tagit.utils.bsfs import Namespace, ast, uuid
 from tagit.widgets import Binding
-from tagit.utils import Frame
 
 # inner-module imports
 from .action import Action
 
+# constants
+GROUP_PREFIX = Namespace('http://example.com/me/group')
+
 # exports
 __all__ = []
 
@@ -54,30 +56,30 @@ class CreateGroup(Action):
         if len(self.root.browser.selection) > 1:
             with self.root.browser as browser, \
                  self.root.session as session:
-
                 # create group
-                grp = Group.Create()
+                grp = session.storage.node(ns.bsfs.Group, GROUP_PREFIX[uuid.UUID()()])
                 if label is not None:
-                    grp.label = label
+                    grp.set(ns.bsg.label, label)
 
                 # add items to group
-                ents = self.root.session.storage.entities(browser.unfold(browser.selection))
-                ents.group += grp
+                ents = browser.unfold(browser.selection)
+                ents.set(ns.bse.group, grp)
 
                 # select a random representative
-                grp.represented_by = random.choice(ents)
+                rep = random.choice(list(ents))
+                grp.set(ns.bsg.represented_by, rep)
 
                 # set selection and cursor to representative
                 # the representative will become valid after the search was re-applied
                 browser.selection.clear()
-                browser.selection.add(grp.represented_by)
+                browser.selection.add(rep)
                 browser.cursor = rep
 
                 # notification
-                logger.info(f'Grouped {len(items)} items')
+                logger.info(f'Grouped {len(ents)} items')
 
                 # change event
-                session.dispatch('on_predicate_modified', 'group', items, {grp})
+                session.dispatch('on_predicate_modified', ns.bse.group, ents, {grp})
 
             # jump to cursor
             # needs to be done *after* the browser was updated
@@ -96,13 +98,11 @@ class DissolveGroup(Action):
              self.root.session as session:
             cursor = browser.cursor
             if cursor is not None and cursor in browser.folds:
-                # remove tag from items
-                items = list(cursor.members())
-                #ents = ...
-                #grp = ...
-                #ents.group -= grp
-                for obj in items:
-                    obj.group -= [cursor.represents()] # FIXME
+                grp = browser.folds[cursor].group
+                ents = session.storage.get(ns.bsfs.Entity,
+                        ast.filter.Any(ns.bse.group, ast.filter.Is(grp)))
+                #ents.remove(ns.bse.group, grp) # FIXME: mb/port
+                #grp.delete() # FIXME: mb/port
 
                 # FIXME: fix cursor and selection
                 # cursor: leave at item that was the representative
@@ -110,10 +110,10 @@ class DissolveGroup(Action):
                 browser.frame = Frame()
 
                 # notification
-                logger.info(f'Ungrouped {len(items)} items')
+                logger.info(f'Ungrouped {len(ents)} items')
 
                 # change event
-                session.dispatch('on_predicate_modified', 'group', items, {cursor.represents()})
+                session.dispatch('on_predicate_modified', ns.bse.group, ents, {grp})
 
         self.root.trigger('JumpToCursor')
 
@@ -130,12 +130,14 @@ class AddToGroup(Action):
              self.root.session as session:
             cursor = browser.cursor
             if cursor is not None and cursor in browser.folds:
-                items = browser.unfold(browser.selection)
-                for obj in items:
+                grp = browser.folds[cursor].group
+                ents = browser.unfold(browser.selection)
+
+                for obj in ents:
                     if obj == cursor:
                         # don't add group to itself
                         continue
-                    obj.group += [cursor.represents()] # FIXME: Not quite sure how to handle this
+                    obj.set(ns.bse.group, gr)
 
                 # all selected items will be folded, hence it becomes empty
                 if cursor in browser.selection:
@@ -144,7 +146,7 @@ class AddToGroup(Action):
                     browser.selection.clear()
 
                 # change event
-                session.dispatch('on_predicate_modified', 'group', items, {cursor.represents()})
+                session.dispatch('on_predicate_modified', ns.bse.group, ents, {grp})
 
 
 class OpenGroup(Action):
@@ -155,11 +157,12 @@ class OpenGroup(Action):
         return Binding.check(evt, self.cfg('bindings', 'grouping', 'open'))
 
     def apply(self, cursor=None):
-       if cursor is None:
-           cursor = self.root.browser.cursor
-       if cursor is not None and cursor in self.root.browser.folds:
-           token = ast.Token('group', ast.SetInclude(cursor.represents()))
-           self.root.trigger('AddToken', token)
+        if cursor is None:
+            cursor = self.root.browser.cursor
+        elif cursor in self.root.browser.folds:
+            grp = self.root.browser.folds[cursor].group
+            self.root.trigger('AddToken', ast.filter.Any(
+                ns.bse.group, ast.filter.Is(grp)))
 
 
 class RepresentGroup(Action):
@@ -170,6 +173,7 @@ class RepresentGroup(Action):
         return Binding.check(evt, self.cfg('bindings', 'grouping', 'represent'))
 
     def apply(self):
+        return # FIXME: mb/port
         with self.root.browser as browser, \
              self.root.filter as filter, \
              self.root.session as session:
@@ -191,6 +195,7 @@ class RemoveFromGroup(Action):
         return Binding.check(evt, self.cfg('bindings', 'grouping', 'remove'))
 
     def apply(self):
+        return # FIXME: mb/port
         with self.root.browser as browser, \
              self.root.filter as filter, \
              self.root.session as session:
diff --git a/tagit/apps/port-config.yaml b/tagit/apps/port-config.yaml
index 33afbbd..6b0b06d 100644
--- a/tagit/apps/port-config.yaml
+++ b/tagit/apps/port-config.yaml
@@ -20,6 +20,9 @@ ui:
   standalone:
     plane: browsing
     keytriggers:
+      - CreateGroup
+      - DissolveGroup
+      - AddToGroup
       - MoveCursorUp
       - MoveCursorDown
       - MoveCursorLeft
@@ -39,6 +42,8 @@ ui:
       - SelectRange
       - AddTag
       - EditTag
+      - OpenGroup
+      #- RepresentGroup
       - ShowHelp
     browser:
       maxcols: 8
@@ -50,8 +55,8 @@ ui:
       - AddToken
       - AddTag
       - EditTag
-      #- CreateGroup
-      #- DissolveGroup
+      - CreateGroup
+      - DissolveGroup
       - SelectAll
       - SelectNone
       - SelectInvert
@@ -76,10 +81,10 @@ ui:
     #  clipboard:
     #  - ClipboardCopy
     #  - ClipboardPaste
-    #  grouping:
-    #  - CreateGroup
-    #  - DissolveGroup
-    #  - AddToGroup
+      grouping:
+      - CreateGroup
+      - DissolveGroup
+      - AddToGroup
     #  - RepresentGroup
     #  - RemoveFromGroup
     #  root:
diff --git a/tagit/assets/icons/scalable/grouping/add.svg b/tagit/assets/icons/scalable/grouping/add.svg
new file mode 100644
index 0000000..3069273
--- /dev/null
+++ b/tagit/assets/icons/scalable/grouping/add.svg
@@ -0,0 +1,147 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="100mm"
+   height="100mm"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   sodipodi:docname="add.svg"
+   inkscape:export-filename="../../kivy/grouping/create.png"
+   inkscape:export-xdpi="7.6199999"
+   inkscape:export-ydpi="7.6199999">
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diff --git a/tagit/assets/icons/scalable/grouping/create.svg b/tagit/assets/icons/scalable/grouping/create.svg
new file mode 100644
index 0000000..549f27e
--- /dev/null
+++ b/tagit/assets/icons/scalable/grouping/create.svg
@@ -0,0 +1,135 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="100mm"
+   height="100mm"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   sodipodi:docname="create_group.svg"
+   inkscape:export-filename="../../kivy/grouping/create.png"
+   inkscape:export-xdpi="7.6199999"
+   inkscape:export-ydpi="7.6199999">
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+        <dc:title />
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+  </g>
+</svg>
diff --git a/tagit/assets/icons/scalable/grouping/group.svg b/tagit/assets/icons/scalable/grouping/group.svg
new file mode 100644
index 0000000..975f413
--- /dev/null
+++ b/tagit/assets/icons/scalable/grouping/group.svg
@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
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