initial code for namespace prefix lists

__init__.py

@@ -4,7 +4,7 @@ bl_info = {
 "name": "GP toolbox",
 "description": "Tool set for Grease Pencil in animation production",
 "author": "Samuel Bernou, Christophe Seux",
-"version": (2, 0, 3),
+"version": (2, 0, 4),
 "blender": (2, 91, 0),
 "location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
 "warning": "",
@@ -52,14 +52,21 @@ from .OP_pseudo_tint import GPT_OT_auto_tint_gp_layers
 
 from . import UI_tools
 
-from .properties import GP_PG_ToolsSettings, GP_PG_FixSettings
+from .properties import (
+                        GP_PG_ToolsSettings,
+                        GP_PG_FixSettings,
+                        GP_PG_namespace_props,
+                        GP_PG_namespaces,
+                        )
 
 
 from bpy.props import (FloatProperty,
                         BoolProperty,
                         EnumProperty,
                         StringProperty,
-                        IntProperty)
+                        IntProperty,
+                        PointerProperty
+                        )
 
 import bpy
 import os
@@ -103,6 +110,110 @@ def remap_on_save_update(self, context):
 #     kmi.active = self.use_precise_eraser
 
 
+
+class GPTB_OT_add_namespace_prefix(bpy.types.Operator):
+    bl_idname = "gptb.add_namespace_prefix"
+    bl_label = "Add"
+    bl_description = "Add item in list"
+    bl_options = {'REGISTER', 'INTERNAL'}
+
+    idx : bpy.props.IntProperty()
+    new : bpy.props.BoolProperty(default=True, options={'SKIP_SAVE'})
+
+    def invoke(self, context, event):
+        self.pg = get_addon_prefs().user_prefixes
+        # self.pg.namespaces.add()
+        # return {'FINISHED'}# can just add empty entry and leave...
+        if self.new:
+            self.pg.namespaces.add()
+            self.idx = len(self.pg.namespaces) - 1
+        return context.window_manager.invoke_props_dialog(self, width=650)
+
+    def draw(self, context):
+        import re
+        layout = self.layout
+        # layout.use_property_split = True
+        item = self.pg.namespaces[self.idx]
+        layout.label(text='Enter prefix:', icon='INFO')
+        layout.prop(item, 'prefix')
+        if item.prefix and not re.match(r'^[A-Z]{2}$', item.prefix):
+            layout.label(text='Prefix are preferably two capital letter (ex: CO)', icon='ERROR')
+
+        layout.separator()
+        layout.label(text='Provide a name (Optional):', icon='INFO')
+        layout.prop(item, 'name')      
+
+    def execute(self, context):
+        item = self.pg.namespaces[self.idx]
+        ## Here can perform post add checks
+        # (check for duplicate ?)
+        # all_prefix = [n.prefix for i, n in enumerate(self.pg.namespaces) if i != self.pg.idx]
+        
+        if self.new:
+            # in case of new addition, remove just added if nothing specified
+            if not item.prefix and not item.name:
+                self.pg.dirs.remove(self.idx)
+
+        context.area.tag_redraw()
+        return {'FINISHED'}
+class GPTB_OT_move_item(bpy.types.Operator):
+    bl_idname = "gptb.move_item"
+    bl_label = "Move Item"
+    bl_description = "Move item in list up or down"
+    bl_options = {'REGISTER', 'INTERNAL'}
+
+    # direction : bpy.props.IntProperty(default=1)
+    direction : bpy.props.EnumProperty(
+        items=(
+            ('UP', 'Move Up', 'Move up'),
+            ('DOWN', 'Move down', 'Move down'),
+        ),
+        default='UP',
+
+    )
+    # prop_name : bpy.props.StringProperty()
+
+    def execute(self, context):
+        pg = get_addon_prefs().user_prefixes
+        # uilist = getattr(pg, self.prop_name)
+        uilist = pg.namespaces
+        index = pg.idx
+
+        neighbor = index + (-1 if self.direction == 'UP' else 1)
+        uilist.move(neighbor, index)
+        list_length = len(uilist) - 1 # (index starts at 0)
+        new_index = index + (-1 if self.direction == 'UP' else 1)
+        list_index = max(0, min(new_index, list_length))
+
+        # index = list_index
+        # setattr(pg, self.prop_name + '_idx', list_index)
+        setattr(pg, 'idx', list_index)
+        return {'FINISHED'}
+
+class GPTB_UL_namespace_list(bpy.types.UIList):
+
+    # show_desc : BoolProperty(name="Show Description", default=True,
+    # description="Display Description")
+
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        # self.use_filter_show = True # force open/close the search feature
+        # prefs = get_addon_prefs()
+        # split = layout.split(align=False, factor=0.3)
+        row = layout.row()
+        ico = 'HIDE_ON' if item.hide else 'HIDE_OFF'
+        row.prop(item, 'hide', text='', icon=ico, invert_checkbox=True) 
+        row.prop(item, 'prefix', text='')
+        row.prop(item, 'name', text='')
+
+        # row = layout.split(align=False)
+        # row.label(text=item.prefix)
+        # row.label(text=item.name)
+        
+        # if self.show_desc:
+        #     row.label(text=item.description)
+        # row.operator('sbam.open_online_repo', text='', icon='URL')
+
+
 class GPTB_prefs(bpy.types.AddonPreferences):
     bl_idname = __name__
     
@@ -213,6 +324,9 @@ class GPTB_prefs(bpy.types.AddonPreferences):
         name="Layers Prefixes",
         description="List of prefixes (two capital letters) available for layers(ex: AN,CO,CL)",
         default="", maxlen=0)
+    
+    # user_prefixes : PointerProperty(type=GP_PG_namespaces)
+    ### proj_prefixes : PointerProperty(type=GP_PG_namespaces) # Store in the same list ?
 
     suffixes : StringProperty(
         name="Layers Suffixes",
@@ -397,6 +511,7 @@ class GPTB_prefs(bpy.types.AddonPreferences):
             subbox.label(text='Namespace:')
             subbox.prop(self, 'separator')
             subbox.prop(self, 'show_prefix_buttons', text='Use Prefixes Toggles')
+            
             if self.show_prefix_buttons:
                 # subbox.prop(self, 'use_env_namespace')
                 row = subbox.row()
@@ -405,6 +520,22 @@ class GPTB_prefs(bpy.types.AddonPreferences):
                 row = subbox.row()
                 row.prop(self, 'suffixes')
                 row.operator('prefs.reset_gp_toolbox_env', text='', icon='LOOP_BACK').mode = 'SUFFIXES'
+                
+                ## Collection UI list version # WIP # TODO
+                """ 
+                pg = self.user_prefixes
+                row = subbox.row(align=True)
+                row.template_list("GPTB_UL_namespace_list", "", pg, "namespaces", pg, "idx", rows=6)
+                subcol = row.column(align=True) # Lateral right
+                subcol.operator("gptb.add_namespace_prefix", icon="PLUS", text="")
+                subcol.separator()
+                op_move = subcol.operator("gptb.move_item", icon="TRIA_UP", text="")
+                # op_move.prop_name = 'namespaces'
+                op_move.direction = 'UP'
+                op_move = subcol.operator("gptb.move_item", icon="TRIA_DOWN", text="")
+                # op_move.prop_name = 'namespaces'
+                op_move.direction = 'DOWN'
+                 """
 
             ### TODO add render settings
 
@@ -677,6 +808,11 @@ class GPTB_set_env_settings(bpy.types.Operator):
 
 
 classes = (
+    # GP_PG_namespace_props,
+    # GP_PG_namespaces,
+    # GPTB_OT_add_namespace_prefix,
+    # GPTB_OT_move_item,
+    # GPTB_UL_namespace_list,
     GP_PG_FixSettings,
     GP_PG_ToolsSettings,
     GPTB_set_env_settings,