Marcos/navigation

manifest-generator/app.js

@@ -3,7 +3,6 @@ import { readManifestFromLocalStorage } from "./state.js";
 const registerServiceWorker = async () => {
   try {
     await navigator.serviceWorker.register("sw.js");
-    console.log("Service worker registered");
   } catch (e) {
     console.log(`Registration failed: ${e}`);
   }

manifest-generator/components/app-view.js

@@ -1,9 +1,12 @@
 // A split app-view to show the manifest viewer in the right pane and the editor in the left pane.
 
 import "./manifest-view/index.js";
+import "./navigation-view.js";
+import "./page-view.js";
 
 const template = document.createElement("template");
 template.innerHTML = `
+  <link rel="stylesheet" href="styles/defaults.css" />
   <style>
     :host {
       display: flex;
@@ -27,28 +30,56 @@ template.innerHTML = `
     }
   </style>
   <div class="app-view">
-    <placeholder-component></placeholder-component>
+    <navigation-view current-id="page-1" page-selector="page-view">
+      <page-view page-id="page-1" title="Page 1">
+          <p slot="text">Page 1</p>
+      </page-view> 
+      <page-view page-id="page-2" title="Page 2">
+          <p slot="text">Page 2</p>
+      </page-view>
+    </navigation-view>
     <manifest-view></manifest-view>
   </div>
 `;
 
 class AppView extends HTMLElement {
   constructor() {
     super();
+
     this.attachShadow({ mode: "open" });
     this.shadowRoot.appendChild(template.content.cloneNode(true));
+    this.navigationView = this.shadowRoot.querySelector("navigation-view");
+
+    this.pageIds = ["page-1", "page-2"];
+    this.currentPageIdIndex = 0;
+
+    this.navigationView.addEventListener("next", () => this.nextPage());
+    this.navigationView.addEventListener("prev", () => this.prevPage());
+    this.navigationView.addEventListener("skip", () => this.skipPage());
+  }
+
+  nextPage() {
+    this.jumpToPage(
+      Math.min(this.currentPageIdIndex + 1, this.pageIds.length - 1)
+    );
   }
 
-  connectedCallback() {
-    console.log("connected");
+  prevPage() {
+    this.jumpToPage(Math.max(this.currentPageIdIndex - 1, 0));
   }
 
-  disconnectedCallback() {
-    console.log("disconnected");
+  skipPage() {
+    this.jumpToPage(
+      Math.min(this.currentPageIdIndex + 1, this.pageIds.length - 1)
+    );
   }
 
-  render() {
-    console.log("render");
+  jumpToPage(pageIndex) {
+    this.currentPageIdIndex = pageIndex;
+    this.navigationView.setAttribute(
+      "current-id",
+      this.pageIds[this.currentPageIdIndex]
+    );
   }
 }
 

manifest-generator/components/manifest-view/index.js

@@ -45,18 +45,6 @@ class ManifestView extends HTMLElement {
       </div>
     `;
   }
-
-  connectedCallback() {
-    console.log("connected");
-  }
-
-  disconnectedCallback() {
-    console.log("disconnected");
-  }
-
-  render() {
-    console.log("render");
-  }
 }
 
 // create a web component

manifest-generator/components/manifest-view/json-array.js

@@ -26,15 +26,12 @@ class JSONArray extends HTMLElement {
   }
 
   connectedCallback() {
-    console.log("connected");
     const jsonValue = this.getAttribute("json");
     this.json = JSON.parse(decodeURIComponent(jsonValue));
     this.render();
   }
 
-  disconnectedCallback() {
-    console.log("disconnected");
-  }
+  disconnectedCallback() {}
 
   render() {
     const jsonValue = this.json;

manifest-generator/components/manifest-view/json.js

@@ -29,14 +29,10 @@ class JSONView extends HTMLElement {
   }
 
   connectedCallback() {
-    console.log("connected");
     const jsonValue = this.getAttribute("json");
     this.json = JSON.parse(decodeURIComponent(jsonValue));
-    this.render();
-  }
 
-  disconnectedCallback() {
-    console.log("disconnected");
+    this.render();
   }
 
   render() {

manifest-generator/components/manifest-view/node.js

@@ -35,16 +35,11 @@ class Node extends HTMLElement {
   }
 
   connectedCallback() {
-    console.log("connected");
     this.key = this.getAttribute("key");
     this.value = this.getAttribute("value");
     this.render();
   }
 
-  disconnectedCallback() {
-    console.log("disconnected");
-  }
-
   observedAttributes() {
     return ["key", "value"];
   }

manifest-generator/components/navigation-view.js

@@ -0,0 +1,128 @@
+const template = document.createElement("template");
+template.innerHTML = `
+  <link rel="stylesheet" href="styles/defaults.css" />
+  <link rel="stylesheet" href="styles/button.css" />
+  <style> 
+    .left-pane {
+      height: 100%;
+      overflow: hidden;
+      display: flex;
+      flex-direction: column;
+    }
+
+    .page-wrapper {
+      flex-grow: 1;
+    }
+
+    .nav-bar {
+      display: grid;
+      padding: 10px;
+      width: 100%;
+      grid-template-columns: 1fr auto auto; 
+    }
+
+    #prev, #skip, #next {
+      justify-self: start;
+    } 
+  </style>
+  <div class="left-pane">
+    <div class="page-wrapper">
+      <slot></slot>
+    </div>
+    <div class="nav-bar">
+      <button class="btn-secondary" id="prev">prev</button>
+      <button class="btn-secondary" id="skip">skip</button>
+      <button class="btn-primary" id="next">next</button>
+    </div>
+  </div>
+`;
+
+const attributes = {
+  currentId: {
+    name: "current-id",
+    required: true,
+  },
+  pageSelector: {
+    name: "page-selector",
+    required: true,
+  },
+};
+
+class NavigationView extends HTMLElement {
+  constructor() {
+    super();
+    const shadow = this.attachShadow({ mode: "open" });
+    shadow.append(template.content.cloneNode(true));
+    this.prevButton = this.shadowRoot.querySelector("#prev");
+    this.nextButton = this.shadowRoot.querySelector("#next");
+    this.skipButton = this.shadowRoot.querySelector("#skip");
+
+    this.prevButton.addEventListener("click", () => {
+      this.shadowRoot.dispatchEvent(
+        new CustomEvent("prev", {
+          composed: true,
+          bubbles: true,
+        })
+      );
+    });
+
+    this.nextButton.addEventListener("click", () => {
+      this.shadowRoot.dispatchEvent(
+        new CustomEvent("next", {
+          composed: true,
+          bubbles: true,
+        })
+      );
+    });
+
+    this.skipButton.addEventListener("click", () => {
+      this.shadowRoot.dispatchEvent(
+        new CustomEvent("skip", {
+          composed: true,
+          bubbles: true,
+        })
+      );
+    });
+
+    this.shadowRoot.querySelector("slot").addEventListener("slotchange", () => {
+      this.togglePage(this.currentId);
+    });
+  }
+
+  static get observedAttributes() {
+    return Object.values(attributes).map((opt) => opt.name);
+  }
+
+  // This method doesn't validate any form inputs, just html attributes.
+  validateAttributes(changedValue) {
+    Object.entries(attributes).forEach(([field, opts]) => {
+      if (changedValue !== undefined && opts.name !== changedValue) return;
+      const attribute = this.getAttribute(opts.name);
+      if (opts.required && !attribute)
+        throw new Error(
+          `Attribute ${opts.name} should be set in component ${this.tagName}`
+        );
+      this[field] = attribute;
+    });
+  }
+
+  togglePage(id) {
+    const pages = this.querySelectorAll(this.pageSelector);
+    pages.forEach((page) => {
+      page.toggleAttribute("hidden", page.pageId !== id);
+    });
+  }
+
+  connectedCallback() {
+    this.validateAttributes();
+  }
+
+  attributeChangedCallback(attr, oldVal, newVal) {
+    this.validateAttributes();
+    if (oldVal !== null && attr == attributes.currentId.name) {
+      this.togglePage(newVal);
+    }
+  }
+}
+
+customElements.define("navigation-view", NavigationView);

manifest-generator/components/page-view.js

@@ -10,25 +10,25 @@ class PageView extends HTMLElement {
 
     const pageViewTemplate = document.createElement("template");
     pageViewTemplate.innerHTML = `
+    <link rel="stylesheet" href="styles/defaults.css" />
     <style>
       #title {
         text-align: center;
       }
     </style>
 
     <h1 id="title">${this.getAttribute("title")}</h1>
-    <slot name="my-text">My Default Text</slot>`;
+    <slot name="text">My Default Text</slot>`;
 
     // Create a shadow root
     this.attachShadow({ mode: "open" });
     this.shadowRoot.appendChild(pageViewTemplate.content.cloneNode(true));
 
     // Set the id field based on the id attribute
     this.#id = this.getAttribute("page-id");
-    console.log("this page's ID is = " + this.#id);
   }
 
-  getId() {
+  get pageId() {
     return this.#id;
   }
 }

manifest-generator/index.html

@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
@@ -14,10 +14,8 @@
     />
   </head>
   <body>
-    <h1>Manifest generator</h1>
-    <a href="/design-reference.html" class="btn-primary">design reference</a>
+    <!-- <a href="/design-reference.html" class="btn-primary">design reference</a> -->
     <script type="module" src="app.js"></script>
-    <script type="module" src="styles/shared-style.js"></script>
     <script type="module" src="state.js"></script>
     <script type="module" src="components/app-view.js"></script>
     <app-view></app-view>