beginnings of a message box system within the UI

ui/messagebox.go

@@ -0,0 +1,62 @@
+/*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025-2026 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+// Package ui holds the support for the Amsterdam user interface, wrapping Echo and Jet templates.
+package ui
+
+import (
+	_ "embed"
+
+	"gopkg.in/yaml.v3"
+)
+
+// MBoxWarningLine defines a single warning line in a message box.
+type MBoxWarningLine struct {
+	Text string `yaml:"text"`
+	Bold bool   `yaml:"bold"`
+}
+
+// MBoxButton defines a single button on a message box.
+type MBoxButton struct {
+	Id      string `yaml:"id"`
+	Link    string `yaml:"link"`
+	Confirm bool   `yaml:"confirm"`
+	Tone    string `yaml:"tone"`
+	Icon    string `yaml:"icon"`
+	Text    string `yaml:"text"`
+}
+
+// MessageBoxDefinition defines a single message box resource.
+type MessageBoxDefinition struct {
+	Id           string            `yaml:"id"`
+	Title        string            `yaml:"title"`
+	Tone         string            `yaml:"tone"`
+	Destructive  bool              `yaml:"destructive"`
+	Message      string            `yaml:"message"`
+	WarningIcon  string            `yaml:"warningIcon"`
+	WarningLines []MBoxWarningLine `yaml:"warningLines"`
+	Buttons      []MBoxButton      `yaml:"buttons"`
+}
+
+// MessageBoxDefs is the top-level structure for defining message boxes.
+type MessageBoxDefs struct {
+	D []MessageBoxDefinition `yaml:"messagedefs"`
+}
+
+//go:embed messagedefs.yaml
+var initMessageData []byte
+
+// messageBoxDefs is the master repository for message box data.
+var messageBoxDefs MessageBoxDefs
+
+// init loads and binds the message box definitions.
+func init() {
+	if err := yaml.Unmarshal(initMessageData, &messageBoxDefs); err != nil {
+		panic(err) // can't happen
+	}
+}