Restructure & refactor codebase

internal/glance/widget-group.go

@@ -0,0 +1,52 @@
+package glance
+
+import (
+	"context"
+	"errors"
+	"html/template"
+	"time"
+)
+
+var groupWidgetTemplate = mustParseTemplate("group.html", "widget-base.html")
+
+type groupWidget struct {
+	widgetBase          `yaml:",inline"`
+	containerWidgetBase `yaml:",inline"`
+}
+
+func (widget *groupWidget) initialize() error {
+	widget.withError(nil)
+	widget.HideHeader = true
+
+	for i := range widget.Widgets {
+		widget.Widgets[i].setHideHeader(true)
+
+		if widget.Widgets[i].GetType() == "group" {
+			return errors.New("nested groups are not supported")
+		} else if widget.Widgets[i].GetType() == "split-column" {
+			return errors.New("split columns inside of groups are not supported")
+		}
+	}
+
+	if err := widget.containerWidgetBase._initializeWidgets(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (widget *groupWidget) update(ctx context.Context) {
+	widget.containerWidgetBase._update(ctx)
+}
+
+func (widget *groupWidget) setProviders(providers *widgetProviders) {
+	widget.containerWidgetBase._setProviders(providers)
+}
+
+func (widget *groupWidget) requiresUpdate(now *time.Time) bool {
+	return widget.containerWidgetBase._requiresUpdate(now)
+}
+
+func (widget *groupWidget) Render() template.HTML {
+	return widget.renderTemplate(widget, groupWidgetTemplate)
+}