WIP on UI for selecting animations to export in PSA.

src/__init__.py

@@ -33,10 +33,13 @@ else:
     from .psa import operator as psa_operator
 
 import bpy
+from bpy.props import IntProperty, CollectionProperty
 
 classes = [
     psk_operator.PskExportOperator,
-    psa_operator.PsaExportOperator
+    psa_operator.PsaExportOperator,
+    psa_operator.PSA_UL_ActionList,
+    psa_operator.ActionListItem
 ]
 
 def psk_menu_func(self, context):
@@ -51,8 +54,12 @@ def register():
         register_class(cls)
     bpy.types.TOPBAR_MT_file_export.append(psk_menu_func)
     bpy.types.TOPBAR_MT_file_export.append(psa_menu_func)
+    bpy.types.Scene.psa_action_list = CollectionProperty(type=psa_operator.ActionListItem)
+    bpy.types.Scene.psa_action_list_index = IntProperty(name='index for list??', default=0)
 
 def unregister():
+    del bpy.types.Scene.psa_action_list_index
+    del bpy.types.Scene.psa_action_list
     bpy.types.TOPBAR_MT_file_export.remove(psa_menu_func)
     bpy.types.TOPBAR_MT_file_export.remove(psk_menu_func)
     from bpy.utils import unregister_class

src/psa/operator.py

@@ -1,8 +1,35 @@
-from bpy.types import Operator, Action
+from bpy.types import Operator, Action, UIList, PropertyGroup
 from bpy_extras.io_utils import ExportHelper
-from bpy.props import StringProperty, BoolProperty, FloatProperty, CollectionProperty
+from bpy.props import StringProperty, BoolProperty, FloatProperty, CollectionProperty, PointerProperty
 from .builder import PsaBuilder
 from .exporter import PsaExporter
+import bpy
+import re
+
+
+class ActionListItem(PropertyGroup):
+    action: PointerProperty(type=Action)
+    is_selected: BoolProperty(default=False)
+
+    @property
+    def name(self):
+        return self.action.name
+
+
+class PSA_UL_ActionList(UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
+        layout.alignment = 'LEFT'
+        layout.prop(item, 'is_selected', icon_only=True)
+        layout.label(text=item.action.name, icon='ACTION')
+
+    def filter_items(self, context, data, property):
+        # TODO: returns two lists, apparently
+        actions = getattr(data, property)
+        flt_flags = []
+        flt_neworder = []
+        if self.filter_name:
+            flt_flags = bpy.types.UI_UL_list.filter_items_by_name(self.filter_name, self.bitflag_filter_item, actions, 'name', reverse=self.use_filter_invert)
+        return flt_flags, flt_neworder
 
 
 class PsaExportOperator(Operator, ExportHelper):
@@ -11,17 +38,32 @@ class PsaExportOperator(Operator, ExportHelper):
     __doc__ = 'PSA Exporter (.psa)'
     filename_ext = '.psa'
     filter_glob : StringProperty(default='*.psa', options={'HIDDEN'})
-
     filepath : StringProperty(
         name='File Path',
         description='File path used for exporting the PSA file',
         maxlen=1024,
         default='')
 
-    actions : CollectionProperty(
-        type=Action,
-        name='Sequences'
-    )
+    def draw(self, context):
+        layout = self.layout
+        scene = context.scene
+        row = layout.row()
+        row.label(text='Actions')
+        row = layout.row()
+        row.template_list('PSA_UL_ActionList', 'asd', scene, 'psa_action_list', scene, 'psa_action_list_index', rows=len(context.scene.psa_action_list))
+
+    def invoke(self, context, event):
+        if context.view_layer.objects.active.type != 'ARMATURE':
+            self.report({'ERROR_INVALID_CONTEXT'}, 'The selected object must be an armature.')
+            return {'CANCELLED'}
+        context.scene.psa_action_list.clear()
+        for action in bpy.data.actions:
+            item = context.scene.psa_action_list.add()
+            item.action = action
+            # TODO: add
+            item.is_selected = True
+        context.window_manager.fileselect_add(self)
+        return {'RUNNING_MODAL'}
 
     def execute(self, context):
         builder = PsaBuilder()