Add initial implementation of Dialogue Manager; include core scripts, scenes, and resources

addons/dialogue_manager/components/title_list.gd

@@ -0,0 +1,69 @@
+@tool
+extends VBoxContainer
+
+signal title_selected(title: String)
+
+
+const DialogueConstants = preload("../constants.gd")
+
+
+@onready var filter_edit: LineEdit = $FilterEdit
+@onready var list: ItemList = $List
+
+var titles: PackedStringArray:
+	set(next_titles):
+		titles = next_titles
+		apply_filter()
+	get:
+		return titles
+
+var filter: String:
+	set(next_filter):
+		filter = next_filter
+		apply_filter()
+	get:
+		return filter
+
+
+func _ready() -> void:
+	apply_theme()
+
+	filter_edit.placeholder_text = DialogueConstants.translate(&"titles_list.filter")
+
+
+func select_title(title: String) -> void:
+	list.deselect_all()
+	for i in range(0, list.get_item_count()):
+		if list.get_item_text(i) == title.strip_edges():
+			list.select(i)
+
+
+func apply_filter() -> void:
+	list.clear()
+	for title in titles:
+		if filter == "" or filter.to_lower() in title.to_lower():
+			list.add_item(title.strip_edges())
+
+
+func apply_theme() -> void:
+	if is_instance_valid(filter_edit):
+		filter_edit.right_icon = get_theme_icon("Search", "EditorIcons")
+	if is_instance_valid(list):
+		list.add_theme_stylebox_override("panel", get_theme_stylebox("panel", "Panel"))
+
+
+### Signals
+
+
+func _on_theme_changed() -> void:
+	apply_theme()
+
+
+func _on_filter_edit_text_changed(new_text: String) -> void:
+	self.filter = new_text
+
+
+func _on_list_item_clicked(index: int, at_position: Vector2, mouse_button_index: int) -> void:
+	if mouse_button_index == MOUSE_BUTTON_LEFT:
+		var title = list.get_item_text(index)
+		title_selected.emit(title)