Initial SE Palette add-on

panels.py

@@ -0,0 +1,148 @@
+"""Video SequencerサイドバーのSE Palette UI。"""
+
+from __future__ import annotations
+
+import os
+
+import bpy
+import bpy.utils.previews as previews
+from bpy.types import Panel
+
+from .operators import populate_items
+
+
+_preview_collection = None
+
+
+def clear_previews():
+    global _preview_collection
+    if _preview_collection is not None:
+        try:
+            previews.remove(_preview_collection)
+        except Exception:
+            pass
+    _preview_collection = None
+
+
+def _custom_icon_value(item) -> int:
+    global _preview_collection
+    raw_path = item.icon_path.strip()
+    if not raw_path:
+        return 0
+    filepath = os.path.abspath(bpy.path.abspath(raw_path))
+    if not os.path.isfile(filepath):
+        return 0
+    try:
+        if _preview_collection is None:
+            _preview_collection = previews.new()
+        key = f"{filepath}:{os.path.getmtime(filepath)}"
+        if key not in _preview_collection:
+            _preview_collection.load(key, filepath, "IMAGE")
+        return _preview_collection[key].icon_id
+    except Exception:
+        return 0
+
+
+def _draw_insert_button(row, item):
+    icon_value = _custom_icon_value(item)
+    kwargs = {"text": item.label}
+    if icon_value:
+        kwargs["icon_value"] = icon_value
+    else:
+        kwargs["icon"] = item.icon or "PLAY_SOUND"
+    operator = row.operator("se_palette.insert", **kwargs)
+    operator.filepath = item.filepath
+
+
+def draw_palette(layout, context):
+    """ポップアップなど任意のUILayoutへSE Paletteを描画する。"""
+    props = context.scene.se_palette
+
+    folder_box = layout.box()
+    row = folder_box.row(align=True)
+    row.prop(props, "folder", text="")
+    row.operator("se_palette.scan", text="", icon="FILE_REFRESH")
+
+    if not props.items and os.path.isdir(os.path.abspath(bpy.path.abspath(props.folder))):
+        try:
+            populate_items(props)
+        except Exception:
+            pass
+
+    settings = layout.box()
+    row = settings.row(align=True)
+    row.prop(props, "channel")
+    row.prop(props, "volume")
+    row = settings.row(align=True)
+    row.prop(props, "advance_playhead")
+    row.prop(props, "compact")
+    settings.prop(props, "grid_columns", slider=True)
+
+    row = layout.row(align=True)
+    row.prop(props, "search", text="", icon="VIEWZOOM")
+    row.operator("se_palette.stop_preview", text="", icon="PAUSE")
+
+    folder = os.path.abspath(bpy.path.abspath(props.folder))
+    if not os.path.isdir(folder):
+        warning = layout.row()
+        warning.alert = True
+        warning.label(text="Select an SE folder", icon="ERROR")
+        return
+
+    query = props.search.strip().casefold()
+    visible_items = [
+        item
+        for item in props.items
+        if not query
+        or query in item.label.casefold()
+        or query in item.filename.casefold()
+    ]
+
+    if not visible_items:
+        layout.label(
+            text="No matching sound effects" if query else "No sound effects found",
+            icon="INFO",
+        )
+        return
+
+    grid = layout.grid_flow(
+        row_major=True,
+        columns=props.grid_columns,
+        even_columns=True,
+        even_rows=True,
+        align=True,
+    )
+    for item in visible_items:
+        card = grid.box()
+        insert_row = card.row(align=True)
+        insert_row.scale_y = 1.0 if props.compact else 1.5
+        _draw_insert_button(insert_row, item)
+
+        controls = card.row(align=True)
+        preview = controls.operator(
+            "se_palette.preview",
+            text="" if props.compact else "Preview",
+            icon="PLAY",
+        )
+        preview.filepath = item.filepath
+        edit = controls.operator(
+            "se_palette.edit_item",
+            text="" if props.compact else "Edit",
+            icon="PREFERENCES",
+        )
+        edit.filepath = item.filepath
+
+    layout.label(text=f"{len(visible_items)} / {len(props.items)} sounds", icon="SOUND")
+
+
+class SEPALETTE_PT_main(Panel):
+    """VSEサイドバーに表示するSE Palette。"""
+
+    bl_label = "SE Palette"
+    bl_idname = "SEPALETTE_PT_main"
+    bl_space_type = "SEQUENCE_EDITOR"
+    bl_region_type = "UI"
+    bl_category = "SE Palette"
+
+    def draw(self, context):
+        draw_palette(self.layout, context)