📰 Preview in frontmatter editor (#2688)

frontend/common/useDialog.js

@@ -13,12 +13,9 @@ export const useDialog = ({ light_dismiss = false } = {}) => {
         if (dialog_ref.current != null) dialogPolyfill.registerDialog(dialog_ref.current)
     }, [dialog_ref.current])
 
-    //@ts-ignore
-    const open = () => dialog_ref.current.showModal()
-    //@ts-ignore
-    const close = () => dialog_ref.current.close()
-    //@ts-ignore
-    const toggle = () => (dialog_ref.current.open ? dialog_ref.current?.close() : dialog_ref.current?.showModal())
+    const open = () => dialog_ref.current?.showModal()
+    const close = () => dialog_ref.current?.close()
+    const toggle = () => (dialog_ref.current?.open === true ? dialog_ref.current?.close() : dialog_ref.current?.showModal())
 
     useEffect(() => {
         if (light_dismiss) {

frontend/components/Editor.js

@@ -1562,7 +1562,8 @@ patch: ${JSON.stringify(
                             )}
                     />
                     <${EditorLaunchBackendButton} editor=${this} launch_params=${launch_params} status=${status} />
-                    <${FrontMatterInput} 
+                    <${FrontMatterInput}
+                        filename=${notebook.shortpath}
                         remote_frontmatter=${notebook.metadata?.frontmatter} 
                         set_remote_frontmatter=${(newval) =>
                             this.actions.update_notebook((nb) => {

frontend/components/FrontmatterInput.js

@@ -8,14 +8,16 @@ import "https://cdn.jsdelivr.net/gh/fonsp/[email protected]/lib/rebel-tag-in
 import dialogPolyfill from "https://cdn.jsdelivr.net/npm/[email protected]/dist/dialog-polyfill.esm.min.js"
 import immer from "../imports/immer.js"
 import { useDialog } from "../common/useDialog.js"
+import { FeaturedCard } from "./welcome/FeaturedCard.js"
 
 /**
  * @param {{
+ *  filename: String,
  *  remote_frontmatter: Record<String,any>?,
  *  set_remote_frontmatter: (newval: Record<String,any>) => Promise<void>,
  * }} props
  * */
-export const FrontMatterInput = ({ remote_frontmatter, set_remote_frontmatter }) => {
+export const FrontMatterInput = ({ filename, remote_frontmatter, set_remote_frontmatter }) => {
     const [frontmatter, set_frontmatter] = useState(remote_frontmatter ?? {})
 
     useEffect(() => {
@@ -138,6 +140,19 @@ export const FrontMatterInput = ({ remote_frontmatter, set_remote_frontmatter })
             If you are publishing this notebook on the web, you can set the parameters below to provide HTML metadata. This is useful for search engines and
             social media.
         </p>
+        <div class="card-preview">
+            <h2>Preview</h2>
+            <${FeaturedCard}
+                entry=${
+                    /** @type {import("./welcome/Featured.js").SourceManifestNotebookEntry} */ ({
+                        id: filename.replace(/\.jl$/, ""),
+                        hash: "xx",
+                        frontmatter,
+                    })
+                }
+                disable_links=${true}
+            />
+        </div>
         <div class="fm-table">
             ${entries_input(frontmatter_with_defaults, ``)}
             ${!_.isArray(frontmatter_with_defaults.author)
@@ -205,11 +220,13 @@ const Input = ({ value, on_value, type, id }) => {
         }
     }, [input_ref.current])
 
+    const placeholder = type === "url" ? "https://..." : undefined
+
     return type === "tags"
         ? html`<rbl-tag-input id=${id} ref=${input_ref} />`
         : type === "license"
         ? LicenseInput({ ref: input_ref, id })
-        : html`<input type=${type} id=${id} ref=${input_ref} />`
+        : html`<input type=${type} id=${id} ref=${input_ref} placeholder=${placeholder} />`
 }
 
 // https://choosealicense.com/licenses/

frontend/components/welcome/FeaturedCard.js

@@ -9,19 +9,22 @@ const str_to_degree = (s) => ([...s].reduce((a, b) => a + b.charCodeAt(0), 0) *
 
 /**
  * @param {{
- *  source_manifest: import("./Featured.js").SourceManifest,
+ *  source_manifest?: import("./Featured.js").SourceManifest,
  *  entry: import("./Featured.js").SourceManifestNotebookEntry,
  *  direct_html_links: boolean,
+ *  disable_links: boolean,
  * }} props
  */
-export const FeaturedCard = ({ entry, source_manifest, direct_html_links }) => {
+export const FeaturedCard = ({ entry, source_manifest, direct_html_links, disable_links }) => {
     const title = entry.frontmatter?.title
 
-    const { source_url } = source_manifest
+    const { source_url } = source_manifest ?? {}
 
     const u = (/** @type {string | null | undefined} */ x) =>
         source_url == null
-            ? x
+            ? _.isEmpty(x)
+                ? null
+                : x
             : x == null
             ? null
             : // URLs are relative to the source URL...
@@ -32,7 +35,9 @@ export const FeaturedCard = ({ entry, source_manifest, direct_html_links }) => {
               ).href
 
     // `direct_html_links` means that we will navigate you directly to the exported HTML file. Otherwise, we use our local editor, with the exported state as parameters. This lets users run the featured notebooks locally.
-    const href = direct_html_links
+    const href = disable_links
+        ? "#"
+        : direct_html_links
         ? u(entry.html_path)
         : with_query_params(`edit`, {
               statefile: u(entry.statefile_path),
@@ -41,7 +46,7 @@ export const FeaturedCard = ({ entry, source_manifest, direct_html_links }) => {
               disable_ui: `true`,
               name: title == null ? null : `sample ${title}`,
               pluto_server_url: `.`,
-              slider_server_url: u(source_manifest.slider_server_url),
+              slider_server_url: u(source_manifest?.slider_server_url),
           })
 
     const author = author_info(entry.frontmatter)
@@ -96,7 +101,7 @@ const author_info_item = (x) => {
     } else if (x instanceof Object) {
         let { name, image, url } = x
 
-        if (image == null && url != null) {
+        if (image == null && !_.isEmpty(url)) {
             image = url + ".png?size=48"
         }
 

frontend/editor.css

@@ -23,6 +23,8 @@
 @import url("./light_color.css");
 @import url("./dark_color.css");
 
+@import url("./featured-card.css");
+
 /* VARIABLES */
 
 :root {
@@ -3501,6 +3503,19 @@ pluto-cell.hooked_up pluto-output {
     padding: 1em 1.5em;
 }
 
+.pluto-frontmatter .card-preview {
+    background: var(--white);
+    padding: 1.2rem 1.1rem;
+    margin: 1rem 0;
+    box-shadow: inset 0px 0px 15px -4px #00000054;
+    border-radius: 1rem;
+}
+
+.pluto-frontmatter .card-preview > h2 {
+    margin-block-start: 0;
+    color: var(--black);
+}
+
 .pluto-frontmatter button {
     cursor: pointer;
     background-color: var(--frontmatter-button-bg-color);

frontend/featured-card.css

@@ -0,0 +1,142 @@
+:root {
+    --card-width: 15rem;
+}
+
+featured-card {
+    --card-color: hsl(var(--card-color-hue), 77%, 82%);
+    --card-border-radius: 10px;
+    --card-border-width: 3px;
+
+    display: block;
+    /* width: var(--card-width); */
+    border: var(--card-border-width) solid var(--card-color);
+    border-radius: var(--card-border-radius);
+    margin: 10px;
+    padding-bottom: 0.3rem;
+    box-shadow: 0px 2px 6px 0px #00000014;
+    font-family: var(--inter-ui-font-stack);
+    position: relative;
+    word-break: break-word;
+    hyphens: auto;
+    background: var(--index-card-bg);
+    max-width: var(--card-width);
+}
+
+featured-card .banner img {
+    --zz: calc(var(--card-border-radius) - var(--card-border-width));
+    width: 100%;
+    /* height: 8rem; */
+    aspect-ratio: 3/2;
+    object-fit: cover;
+    /* background-color: hsl(16deg 100% 66%); */
+    background: var(--card-color);
+    border-radius: var(--zz) var(--zz) 0 0;
+    flex: 1 1 200px;
+    min-width: 0;
+}
+
+featured-card a {
+    text-decoration: none;
+    /* font-weight: 800; */
+}
+
+featured-card a.banner {
+    display: flex;
+}
+
+featured-card .author {
+    font-weight: 600;
+}
+
+featured-card .author {
+    position: absolute;
+    top: 0.3em;
+    right: 0.3em;
+    background: var(--welcome-card-author-backdrop);
+    /* background: hsl(var(--card-color-hue) 34% 46% / 59%); */
+    backdrop-filter: blur(15px);
+    color: black;
+    border-radius: 117px;
+    /* height: 2.5em; */
+    padding: 0.3em;
+    padding-right: 0.8em;
+    display: flex;
+}
+
+featured-card .author img {
+    --size: 1.6em;
+    /* margin: 0.4em 0.4em; */
+    /* margin-bottom: -0.4em; */
+    width: var(--size);
+    height: var(--size);
+    object-fit: cover;
+    border-radius: 100%;
+    background: #b6b6b6;
+    display: inline-block;
+    overflow: hidden;
+}
+
+featured-card .author a {
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    gap: 0.4ch;
+}
+
+featured-card h3 a {
+    padding: 0.6em;
+    padding-bottom: 0;
+    -webkit-line-clamp: 2;
+    display: inline-block;
+    display: -webkit-inline-box;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+    background: var(--index-card-bg);
+    border-radius: 0.6em;
+    /* border-top-left-radius: 0; */
+}
+
+featured-card p {
+    margin: 0.3rem 0.8rem;
+    /* padding-top: 0; */
+    /* margin-block: 0; */
+    color: #838383;
+    -webkit-line-clamp: 4;
+    display: inline-block;
+    display: -webkit-inline-box;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+}
+
+featured-card h3 {
+    margin: -1.1rem 0rem 0rem 0rem;
+}
+
+featured-card.big {
+    grid-column-end: span 2;
+    grid-row-end: span 2;
+    /* width: 2000px; */
+}
+
+featured-card.big .banner img {
+    height: 16rem;
+}
+
+featured-card.special::before {
+    content: "New!";
+    font-size: 1.4rem;
+    font-weight: 700;
+    text-transform: uppercase;
+    font-style: italic;
+    display: block;
+    background: #fcf492;
+    color: #833bc6;
+    text-shadow: 0 0 1px #ff6767;
+    position: absolute;
+    transform: translateY(calc(-100% - -15px)) rotate(-5deg);
+    padding: 2px 19px;
+    left: -9px;
+    /* right: 51px; */
+    /* border: 2px solid #ffca62; */
+    pointer-events: none;
+}