From 0aab80522a24306428f4202d7255feadde449472 Mon Sep 17 00:00:00 2001
From: Aaron Louie <ajlouie@gmail.com>
Date: Sat, 23 May 2020 14:46:32 -0400
Subject: [PATCH] Enables save button when decision table is altered

---
 src/app/diagram/diagram.component.ts | 21 ++++++++++++++++-----
 src/app/modeler/modeler.component.ts |  1 +
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/app/diagram/diagram.component.ts b/src/app/diagram/diagram.component.ts
index db402f2..9c79237 100644
--- a/src/app/diagram/diagram.component.ts
+++ b/src/app/diagram/diagram.component.ts
@@ -57,6 +57,7 @@ export class DiagramComponent implements ControlValueAccessor, AfterViewInit {
   }
 
   onChange(newValue: string, svgValue: string) {
+    console.log('DiagramComponent default onChange');
   }
 
   onTouched() {
@@ -123,13 +124,20 @@ export class DiagramComponent implements ControlValueAccessor, AfterViewInit {
   }
 
   saveDiagram() {
-    this.modeler.saveSVG((svgErr, svg) => {
-      this.svg = svg;
+    if (this.modeler && this.modeler.saveSVG) {
+      this.modeler.saveSVG((svgErr, svg) => {
+        this.svg = svg;
+        this.modeler.saveXML({format: true}, (xmlErr, xml) => {
+          this.xml = xml;
+          this.writeValue(xml);
+        });
+      });
+    } else {
       this.modeler.saveXML({format: true}, (xmlErr, xml) => {
         this.xml = xml;
         this.writeValue(xml);
       });
-    });
+    }
   }
 
   saveXML() {
@@ -208,14 +216,17 @@ export class DiagramComponent implements ControlValueAccessor, AfterViewInit {
       moddleExtensions: dmnModelerConfig.moddleExtensions,
     });
 
-    this.modeler.on('commandStack.changed', () => this.saveDiagram());
+    this.modeler.on('commandStack.changed', () => {
+      this.saveDiagram();
+    });
 
     this.modeler.on('views.changed', () => {
+      this.saveDiagram();
+
       const viewer = this.modeler.getActiveViewer();
       if (viewer) {
         viewer.get('eventBus').on('commandStack.changed', () => this.saveDiagram());
       }
-      this.saveDiagram();
     });
 
     this.modeler.on('import.done', ({error}) => {
diff --git a/src/app/modeler/modeler.component.ts b/src/app/modeler/modeler.component.ts
index b8a3807..6d53c8a 100644
--- a/src/app/modeler/modeler.component.ts
+++ b/src/app/modeler/modeler.component.ts
@@ -69,6 +69,7 @@ export class ModelerComponent implements AfterViewInit {
 
   ngAfterViewInit(): void {
     this.diagramComponent.registerOnChange((newXmlValue: string, newSvgValue: string) => {
+      console.log('ModelerComponent > DiagramComponent > onChange');
       this.draftXml = newXmlValue;
       this.svg = newSvgValue;
     });