ui: Improved Discovery Chain resizing (#9360)

* install on-resize modifier

* Rerrange things to use on-resize modifier for positioning

ui/packages/consul-ui/app/components/consul/discovery-chain/index.hbs

@@ -16,6 +16,7 @@
     }
   {{/if}}
 </style>
+
 <div class="routes">
   <header>
     <h2>
@@ -29,12 +30,14 @@
   <div role="group">
     {{#each routes as |item|}}
       <Consul::DiscoveryChain::RouteCard
+        {{on-resize (dom-position (set item 'rect') from=this.edges)}}
         @item={{item}}
         @onclick={{action "click"}}
       />
     {{/each}}
   </div>
 </div>
+
 <div class="splitters">
   <header>
     <h2>
@@ -48,66 +51,84 @@
   <div role="group">
     {{#each (sort-by 'Name' splitters) as |item|}}
       <Consul::DiscoveryChain::SplitterCard
+        {{on-resize (dom-position (set item 'rect') from=this.edges)}}
         @item={{item}}
         @onclick={{action "click"}}
       />
     {{/each}}
   </div>
 </div>
+
 <div class="resolvers">
   <header>
     <h2>
       Resolvers
-      <span {{tooltip "Resolvers are used to define which instances of a service should satisfy discovery requests."}}>
+      <span
+        {{tooltip "Resolvers are used to define which instances of a service should satisfy discovery requests."}}
+      >
       </span>
     </h2>
   </header>
   <div role="group">
     {{#each (sort-by 'Name' resolvers) as |item|}}
       <Consul::DiscoveryChain::ResolverCard
+        {{on-resize (dom-position (set item 'rect') from=this.edges)}}
         @item={{item}}
+        @edges={{this.edges}}
         @onclick={{action "click"}}
       />
     {{/each}}
   </div>
 </div>
+
+{{nodes}}
+
 <svg class="edges"
+  {{did-insert (set this 'edges')}}
   width="100%"
   height="100%"
-  viewBox={{concat '0 0 ' width ' ' height}}
   preserveAspectRatio="none"
 >
   {{#each routes as |item|}}
-    {{#let (dom-position (concat '#' item.ID) '.edges') as |src|}}
+    {{#if item.rect}}
-      {{#let (dom-position (concat '#' item.NextNode) '.edges') as |destRect|}}
+      {{#let item.rect item.NextItem.rect as |src destRect|}}
         {{#let (tween-to (hash
           x=destRect.x
           y=(add destRect.y (div destRect.height 2))
         ) (concat item.ID)) as |dest|}}
+
     <path
       id={{concat item.ID '>' item.NextNode}}
       d={{
         svg-curve (hash
           x=dest.x
-                y=dest.y
+          y=(sub dest.y 0)
         ) src=(hash
-                x=(add src.x src.width)
+          x=src.right
           y=(add src.y (div src.height 2))
-          )}} />
+      )}}
-        {{/let}}
+    />
+
         {{/let}}
       {{/let}}
+    {{/if}}
   {{/each}}
+
   {{#each splitters as |splitter|}}
-    {{#let (dom-position (concat '#' splitter.ID) '.edges') as |src|}}
+    {{#if splitter.rect}}
+      {{#let splitter.rect as |src|}}
         {{#each splitter.Splits as |item index|}}
-        {{#let (dom-position (concat '#' item.NextNode) '.edges') as |destRect|}}
+          {{#let item.NextItem.rect as |destRect|}}
             {{#let (tween-to (hash
               x=destRect.x
               y=(add destRect.y (div destRect.height 2))
             ) (concat splitter.ID '-' index)) as |dest|}}
+
       <path
-      {{tooltip (concat (round (or item.Weight 0) decimals=2) '%') options=(hash followCursor=true)}}
+        {{tooltip
+          (concat (round (or item.Weight 0) decimals=2) '%')
+          options=(hash followCursor=true)
+        }}
         id={{concat 'splitter:' splitter.Name '>' item.NextNode}}
         class="split"
         d={{
@@ -115,35 +136,41 @@
             x=dest.x
             y=dest.y
           ) src=(hash
-          x=(add src.x src.width)
+            x=src.right
             y=(add src.y (div src.height 2))
-      )}} />
+        )}}
+      />
+
             {{/let}}
           {{/let}}
         {{/each}}
       {{/let}}
+    {{/if}}
   {{/each}}
+
 </svg>
-<svg class="resolver-inlets" viewBox={{concat '0 0 10 ' height}}>
+
+<svg class="resolver-inlets" height="100%">
   {{#each routes as |item|}}
     {{#if (string-starts-with item.NextNode 'resolver:') }}
-      {{#let (dom-position (concat '#' item.NextNode) '.edges') as |dest|}}
+      {{#let (or item.NextItem.rect (hash y=0 height=0)) as |dest|}}
         <circle r="2.5" cx="5" cy={{add dest.y (div dest.height 2)}} />
       {{/let}}
     {{/if}}
   {{/each}}
   {{#each splitters as |item|}}
       {{#each item.Splits as |item|}}
-        {{#let (dom-position (concat '#' item.NextNode) '.edges') as |dest|}}
+        {{#let (or item.NextItem.rect (hash y=0 height=0)) as |dest|}}
           <circle r="2.5" cx="5" cy={{add dest.y (div dest.height 2)}} />
         {{/let}}
       {{/each}}
   {{/each}}
 </svg>
-<svg class="splitter-inlets" viewBox={{concat '0 0 10 ' height}}>
+
+<svg class="splitter-inlets" height="100%">
   {{#each routes as |item|}}
     {{#if (string-starts-with item.NextNode 'splitter:') }}
-      {{#let (dom-position (concat '#' item.NextNode) '.edges') as |dest|}}
+      {{#let (or item.NextItem.rect (hash y=0 height=0)) as |dest|}}
         <circle r="2.5" cx="5" cy={{add dest.y (div dest.height 2)}} />
       {{/let}}
     {{/if}}

ui/packages/consul-ui/app/components/consul/discovery-chain/index.js

@@ -73,6 +73,37 @@ export default Component.extend({
     }
     return routes;
   }),
+  nodes: computed('routes', 'splitters', 'resolvers', function() {
+    let nodes = this.resolvers.reduce((prev, item) => {
+      prev[`resolver:${item.ID}`] = item;
+      item.Children.reduce((prev, item) => {
+        prev[`resolver:${item.ID}`] = item;
+        return prev;
+      }, prev);
+      return prev;
+    }, {});
+    nodes = this.splitters.reduce((prev, item) => {
+      prev[item.ID] = item;
+      return prev;
+    }, nodes);
+    nodes = this.routes.reduce((prev, item) => {
+      prev[item.ID] = item;
+      return prev;
+    }, nodes);
+    Object.entries(nodes).forEach(([key, value]) => {
+      if (typeof value.NextNode !== 'undefined') {
+        value.NextItem = nodes[value.NextNode];
+      }
+      if (typeof value.Splits !== 'undefined') {
+        value.Splits.forEach(item => {
+          if (typeof item.NextNode !== 'undefined') {
+            item.NextItem = nodes[item.NextNode];
+          }
+        });
+      }
+    });
+    return '';
+  }),
   resolvers: computed('chain.{Nodes,Targets}', function() {
     return getResolvers(
       this.chain.Datacenter,
@@ -117,12 +148,6 @@ export default Component.extend({
       edges: edges.map(item => `#${CSS.escape(item)}`),
     };
   }),
-  width: computed('chain.{Nodes,Targets}', function() {
-    return this.element.offsetWidth;
-  }),
-  height: computed('chain.{Nodes,Targets}', function() {
-    return this.element.offsetHeight;
-  }),
   actions: {
     click: function(e) {
       const id = e.currentTarget.getAttribute('id');

ui/packages/consul-ui/app/components/consul/discovery-chain/resolver-card/index.hbs

@@ -1,8 +1,9 @@
 <div
   class="resolver-card"
-  ...attributes
 >
-  <header onclick={{optional @onclick}} id={{concat 'resolver:' @item.ID}}>
+  <header
+    ...attributes
+    onclick={{optional @onclick}} id={{concat 'resolver:' @item.ID}}>
     <a name="">
       <h3>{{@item.Name}}</h3>
 {{#if item.Failover}}
@@ -28,7 +29,11 @@
 {{#if (gt @item.Children.length 0)}}
     <ul>
   {{#each @item.Children as |child|}}
-      <li onclick={{optional @onclick}} id={{concat 'resolver:' child.ID}}>
+      <li
+        onclick={{optional @onclick}}
+        id={{concat 'resolver:' child.ID}}
+        {{on-resize (dom-position (set child 'rect') from=@edges)}}
+      >
         <a name="">
     {{#if child.Redirect}}
           <dl class="redirect">

ui/packages/consul-ui/app/components/consul/discovery-chain/route-card/index.hbs

@@ -2,6 +2,7 @@
   class="route-card"
   onclick={{@onclick}}
   id={{@item.ID}}
+  ...attributes
 >
   <header class={{if (eq this.path.value '/') 'short'}}>
 {{#if (gt @item.Definition.Match.HTTP.Methods.length 0) }}

ui/packages/consul-ui/app/components/consul/discovery-chain/splitter-card/index.hbs

@@ -1,7 +1,7 @@
 <div
-  ...attributes
 >
   <a
+    ...attributes
     id={{@item.ID}}
     class="splitter-card"
     onclick={{optional @onclick}}

ui/packages/consul-ui/app/helpers/dom-position.js

@@ -1,16 +1,18 @@
 import Helper from '@ember/component/helper';
-import { inject as service } from '@ember/service';
 
 export default class DomPosition extends Helper {
-  @service('dom') dom;
+  compute([target], { from }) {
-
+    if (typeof target === 'function') {
-  compute([target, from], hash) {
+      return entry => {
-    const $target = this.dom.element(target);
+        const $target = entry.target;
-    const $from = this.dom.element(from);
+        let rect = $target.getBoundingClientRect();
-    const fromRect = $from.getBoundingClientRect();
+        if (typeof from !== 'undefined') {
-    const rect = $target.getBoundingClientRect();
+          const fromRect = from.getBoundingClientRect();
           rect.x = rect.x - fromRect.x;
           rect.y = rect.y - fromRect.y;
-    return rect;
+        }
+        return target(rect);
+      };
+    }
   }
 }

ui/packages/consul-ui/package.json

@@ -120,6 +120,7 @@
     "ember-modifier": "^2.1.1",
     "ember-named-blocks-polyfill": "^0.2.3",
     "ember-on-helper": "^0.1.0",
+    "ember-on-resize-modifier": "^0.3.0",
     "ember-page-title": "^5.2.3",
     "ember-power-select": "^4.0.5",
     "ember-power-select-with-create": "^0.8.0",

ui/yarn.lock

@@ -8135,7 +8135,7 @@ ember-modifier-manager-polyfill@^1.1.0, ember-modifier-manager-polyfill@^1.2.0:
     ember-cli-version-checker "^2.1.2"
     ember-compatibility-helpers "^1.2.0"
 
-ember-modifier@^2.1.1:
+ember-modifier@^2.1.0, ember-modifier@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ember-modifier/-/ember-modifier-2.1.1.tgz#aa3a12e2d6cf1622f774f3f1eab4880982a43fa9"
   integrity sha512-g9mcpFWgw5lgNU40YNf0USNWqoGTJ+EqjDQKjm7556gaRNDeGnLylFKqx9O3opwLHEt6ZODnRDy9U0S5YEMREg==
@@ -8171,6 +8171,16 @@ ember-on-helper@^0.1.0:
   dependencies:
     ember-cli-babel "^7.7.3"
 
+ember-on-resize-modifier@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/ember-on-resize-modifier/-/ember-on-resize-modifier-0.3.0.tgz#6c8b0fda3cd77c9f51c5e8394ed7af13b2c20fcb"
+  integrity sha512-LUZcO3dYJXTcUFI2/8X+wyZXEp0p/xDZS3UHxwI/j99MprL4ZNxdYELQ5Rhq0sR/eGMBaJMEMzgM7I62+irOrg==
+  dependencies:
+    ember-cli-babel "^7.20.5"
+    ember-cli-htmlbars "^5.1.2"
+    ember-modifier "^2.1.0"
+    ember-resize-observer-service "^0.3.0"
+
 ember-page-title@^5.2.3:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/ember-page-title/-/ember-page-title-5.2.3.tgz#63b039d70d4a5d7db9c00de5b2108823fb90bb9d"
@@ -8243,6 +8253,14 @@ ember-require-module@^0.3.0:
   dependencies:
     ember-cli-babel "^6.9.2"
 
+ember-resize-observer-service@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/ember-resize-observer-service/-/ember-resize-observer-service-0.3.0.tgz#69b6e29bd6d742001ebe0ec70249f20f46fedc4a"
+  integrity sha512-FrKPowJ9CwLBok+WZOhudoRXPg9xHArpotMdZ2FyztcBHIb8D1mVB6ELLw62KGa62Wf7RoRhfmkloZax/5WHwg==
+  dependencies:
+    ember-cli-babel "^7.20.5"
+    ember-cli-htmlbars "^5.1.2"
+
 ember-resolver@^8.0.0:
   version "8.0.2"
   resolved "https://registry.yarnpkg.com/ember-resolver/-/ember-resolver-8.0.2.tgz#8a45a744aaf5391eb52b4cb393b3b06d2db1975c"