From 3ba2b6c763c3faf205a82a6be4124a6b5d3855b3 Mon Sep 17 00:00:00 2001
From: "Bruce W. Herr II" <bherr@indiana.edu>
Date: Fri, 8 Mar 2024 08:53:32 -0500
Subject: [PATCH] Dispatch events

---
 docs/hra-node-dist-vis.wc.js | 29 +++++++++++++++++++++++++++--
 src/hra-node-dist-vis.js     | 30 ++++++++++++++++++++++++++++--
 2 files changed, 55 insertions(+), 4 deletions(-)

diff --git a/docs/hra-node-dist-vis.wc.js b/docs/hra-node-dist-vis.wc.js
index d818443..6ff1efb 100644
--- a/docs/hra-node-dist-vis.wc.js
+++ b/docs/hra-node-dist-vis.wc.js
@@ -62162,8 +62162,18 @@ void main(void) {
       this.$canvas = root.getElementById("vis");
       this.$canvas.addEventListener("contextmenu", (e2) => e2.preventDefault());
     }
+    dispatch(eventName, payload = void 0) {
+      let event;
+      if (payload) {
+        event = new CustomEvent(eventName, { detail: payload });
+      } else {
+        event = new Event(eventName);
+      }
+      this.dispatchEvent(event);
+    }
     async connectedCallback() {
       let isHovering = false;
+      let hoveredObject = void 0;
       this.deck = new Deck({
         canvas: this.$canvas,
         controller: true,
@@ -62179,10 +62189,23 @@ void main(void) {
           dragMode: "rotate",
           target: [0.5, 0.5]
         },
-        onClick: (e2) => e2.picked && console.log("Node Clicked", e2.object.x, e2.object.y),
+        onClick: (e2) => e2.picked ? this.dispatch("nodeClicked", e2.object) : void 0,
         onViewStateChange: ({ viewState }) => this.viewState.value = viewState,
         onLoad: () => this.viewState.value = this.deck.viewState,
-        onHover: (e2) => isHovering = e2.picked,
+        onHover: (e2) => {
+          isHovering = e2.picked;
+          if (isHovering) {
+            if (hoveredObject !== e2.object) {
+              this.dispatch("nodeHovering", e2.object);
+              hoveredObject = e2.object;
+            }
+          } else {
+            if (hoveredObject) {
+              this.dispatch("nodeHovering", void 0);
+              hoveredObject = void 0;
+            }
+          }
+        },
         getCursor: (e2) => isHovering ? "pointer" : e2.isDragging ? "grabbing" : "grab",
         layers: []
       });
@@ -62196,12 +62219,14 @@ void main(void) {
         O(async () => {
           this.nodes.value = [];
           this.nodes.value = await this.nodes$.value;
+          this.dispatch("nodes", this.nodes.value);
         })
       );
       this.trackDisposal(
         O(async () => {
           this.edges.value = [];
           this.edges.value = await this.edges$.value;
+          this.dispatch("edges", this.edges.value);
         })
       );
       this.trackDisposal(
diff --git a/src/hra-node-dist-vis.js b/src/hra-node-dist-vis.js
index 9318f05..699be15 100644
--- a/src/hra-node-dist-vis.js
+++ b/src/hra-node-dist-vis.js
@@ -220,8 +220,19 @@ class HraNodeDistanceVisualization extends HTMLElement {
     this.$canvas.addEventListener('contextmenu', (e) => e.preventDefault());
   }
 
+  dispatch(eventName, payload = undefined) {
+    let event;
+    if (payload) {
+      event = new CustomEvent(eventName, { detail: payload });
+    } else {
+      event = new Event(eventName);
+    }
+    this.dispatchEvent(event);
+  }
+
   async connectedCallback() {
     let isHovering = false;
+    let hoveredObject = undefined;
     this.deck = new Deck({
       canvas: this.$canvas,
       controller: true,
@@ -237,10 +248,23 @@ class HraNodeDistanceVisualization extends HTMLElement {
         dragMode: 'rotate',
         target: [0.5, 0.5],
       },
-      onClick: (e) => e.picked && console.log('Node Clicked', e.object.x, e.object.y),
+      onClick: (e) => e.picked ? this.dispatch('nodeClicked', e.object) : undefined,
       onViewStateChange: ({ viewState }) => (this.viewState.value = viewState),
       onLoad: () => (this.viewState.value = this.deck.viewState),
-      onHover: (e) => (isHovering = e.picked),
+      onHover: (e) => {
+        isHovering = e.picked;
+        if (isHovering) {
+          if (hoveredObject !== e.object) {
+            this.dispatch('nodeHovering', e.object);
+            hoveredObject = e.object;
+          }
+        } else {
+          if (hoveredObject) {
+            this.dispatch('nodeHovering', undefined);
+            hoveredObject = undefined;
+          }
+        }
+      },
       getCursor: (e) => (isHovering ? 'pointer' : e.isDragging ? 'grabbing' : 'grab'),
       layers: [],
     });
@@ -256,6 +280,7 @@ class HraNodeDistanceVisualization extends HTMLElement {
       effect(async () => {
         this.nodes.value = [];
         this.nodes.value = await this.nodes$.value;
+        this.dispatch('nodes', this.nodes.value);
       })
     );
 
@@ -263,6 +288,7 @@ class HraNodeDistanceVisualization extends HTMLElement {
       effect(async () => {
         this.edges.value = [];
         this.edges.value = await this.edges$.value;
+        this.dispatch('edges', this.edges.value);
       })
     );