notify

plot/plot.view.tree

@@ -9,6 +9,7 @@ $mpds_visavis_plot $mol_view
 	json_cmp null
 	plot_raw null
 	show_setup false
+	notify? null
 	Fullscreen $mol_check
 		Icon <= Expand_icon $mol_icon_arrow_expand_all
 		checked? <=> fullscreen? false
@@ -61,6 +62,7 @@ $mpds_visavis_plot $mol_view
 			pie_click? <=> pie_click? null
 		scatter <= Scatter $mpds_visavis_plot_scatter
 			plot_raw <= plot_raw
+			notify? <=> notify?
 		customscatter <= Customscatter $mpds_visavis_plot_customscatter
 			plot_raw <= plot_raw
 		heatmap <= Heatmap $mpds_visavis_plot_heatmap

plot/plot.view.ts

@@ -3,7 +3,7 @@ namespace $.$$ {
 	export class $mpds_visavis_plot extends $.$mpds_visavis_plot {
 
 		@ $mol_action
-		fetch_plot_json( request: RequestInfo ){
+		fetch_plot_json( request: RequestInfo | null ){
 			if ( request == null ) return null
 
 			const json = $mol_fetch.json( request ) as any
@@ -25,6 +25,14 @@ namespace $.$$ {
 			return this.fetch_plot_json( this.json_cmp_request() )
 		}
 
+		@ $mol_mem
+		json_cmp_request( next?: string | null ) {
+			if ( next === null && $mol_wire_probe( ()=> this.json_cmp_request() ) === null ) {
+				this.notify( 'Comparison was reset' )
+			}
+			return next ?? null
+		}
+
 		@ $mol_mem
 		plot_raw() {
 			return this.json() ? 
@@ -66,6 +74,11 @@ namespace $.$$ {
 		@ $mol_action
 		on_fixel_checked( checked: boolean ) { }
 
+		@ $mol_action
+		notify( msg: string ) {
+			alert( msg )
+		}
+
 	}
 
 	$mol_view_component( $mpds_visavis_plot )

plot/scatter/scatter.view.tree

@@ -1,2 +1,3 @@
 $mpds_visavis_plot_scatter $mpds_visavis_plotly
 	plot_raw $mpds_visavis_plot_raw
+	notify? null

plot/scatter/scatter.view.ts

@@ -83,11 +83,10 @@ namespace $.$$ {
 			if (Math.abs(t_data[0] - t_data_sum/t_data.length) < 0.1 && Math.abs(p_data[0] - p_data_sum/p_data.length) > 0.1){
 				return 'pressure'
 			} else if (Math.abs(t_data[0] - t_data_sum/t_data.length) > 0.1 && Math.abs(p_data[0] - p_data_sum/p_data.length) > 0.1){
-				return $mol_fail( new $mol_data_error('Sorry, plotting both temperature and pressure is not yet supported') )
+				this.notify( 'Sorry, plotting both temperature and pressure is not yet supported' )
 				// return 'pressure and temperature'
-			} else {
-				return 'temperature'
 			}
+			return 'temperature'
 		}
 
 		@ $mol_mem