Merge pull request #618 from Stefterv/pde-open-exampes

Open examples in Processing

Author: SableRaf

content/examples/Basics/Image/Alphamask/data/mask.jpg

@@ -76,6 +76,7 @@ const updateExamples = async () => {
       cwd: path.join(from, example.dirname)
     });
 
+
     for (let i = 0; i < pdes.length; i++) {
       const pde = pdes[i];
       fs.copySync(
@@ -91,6 +92,10 @@ const updateExamples = async () => {
 
     for (let i = 0; i < dataFiles.length; i++) {
       const dataFile = dataFiles[i];
+      fs.copySync(
+        path.join(from, example.dirname, dataFile),
+        path.join(to, example.dirname, dataFile)
+      )
       fs.copySync(
         path.join(from, example.dirname, dataFile),
         path.join(

content/examples/Basics/Image/Alphamask/data/moonwalk.jpg

@@ -1,6 +1,4 @@
 .root {
-  position: absolute;
-  right: var(--gutter);
   height: 32px;
   padding: 6px 12px;
   font-size: var(--text-small);

scripts/updateExamples.js

@@ -0,0 +1,63 @@
+import React, { useState, useEffect } from 'react';
+import classnames from 'classnames';
+
+import ProcessingIcon from '../images/logo-processing.svg';
+
+import * as css from './OpenWithButton.module.css';
+
+const OpenWithButton = ({ pdes, dataFiles }) => {
+    const main = pdes[0]
+    const [sketchURL, setSketchURL] = useState(`processing://open?sketch=${stringToBase64(main.code)}`)
+
+    useEffect(() => {
+        let sketchURL = `pde://sketch/base64/${stringToBase64(main.code)}?pde=`
+        for (let pde of pdes) {
+            if (pde === main) continue
+            sketchURL += `${pde.name}:${stringToBase64(pde.code)},`
+        }
+        if (dataFiles.length > 0) {
+            let data = '&data=' + dataFiles.map(file => file.relativePath.split('/').pop() + ":" + window.location.protocol + "//" + window.location.host + file.publicURL).join(',')
+            sketchURL += data
+        }
+        setSketchURL(sketchURL)
+    }, [])
+    const [showInstructions, setShowInstructions] = useState(false)
+
+    useEffect(() => {
+        const handleClickOutside = (event) => {
+            if (showInstructions && !event.target.closest(`.${css.root}`)) {
+                setShowInstructions(false);
+            }
+        };
+
+        document.addEventListener('click', handleClickOutside);
+        return () => document.removeEventListener('click', handleClickOutside);
+    }, [showInstructions]);
+
+    return (
+        <a
+            href={sketchURL}
+            type="button"
+            className={classnames(css.root)}
+            onClick={() => setShowInstructions(true)}
+        >
+            <ProcessingIcon /> {'Open In Processing'}
+            {showInstructions && (
+                <div className={classnames(css.instructions)}>
+                    <h1>Opening Processing<span className={css.ellipsis}></span></h1>
+                    <p>If nothing happens, <a href="https://www.processing.org/download/" target="_black">Download Processing</a> version 4.4.1 or later and try again.</p>
+                    <p className={classnames(css.tooltipFootnote)}>Make sure Processing is installed and was opened at least once.</p>
+                </div>
+            )}
+        </a>
+    )
+}
+
+export default OpenWithButton;
+
+function stringToBase64(str) {
+    if (typeof Buffer !== 'undefined') {
+        return Buffer.from(str).toString('base64');
+    }
+    return btoa(str)
+}

src/components/CopyButton.module.css

@@ -0,0 +1,94 @@
+.root {
+  height: 32px;
+  padding: 6px 12px;
+  font-size: var(--text-small);
+  font-weight: bold;
+  color: var(--darkgray);
+  cursor: pointer;
+  fill: var(--darkgray);
+  position: relative;
+
+  & svg {
+    height: 12px;
+    width: auto;
+  }
+}
+
+.root:hover {
+  color: var(--darkergray);
+  fill: var(--darkergray);
+}
+
+.root:active {
+  color: var(--processing-blue-mid);
+  fill: var(--processing-blue-mid);
+}
+
+.instructions {
+  bottom: 100%;
+  margin-bottom: 16px;
+  left: auto;
+  right: 0;
+  position: absolute;
+  transform: none;
+  min-width: 24em;
+  max-width: 24em;
+  width: fit-content;
+  background-color: #555;
+  color: #fff;
+  text-align: left;
+  border-radius: 6px;
+  padding: 16px 10px 10px 25px;
+  transition: opacity 0.3s;
+  pointer-events: auto;
+  a {
+    color: var(--processing-blue-light);
+    text-decoration: underline;
+    &:hover {
+      color: white;
+    }
+  }
+  h1 {
+    color: #fff;
+    font-size: 2em;
+    margin: 0 0 0.3em 0;
+    font-weight: 500;
+  }
+  &::before {
+    content: "";
+    position: absolute;
+    top: 100%;
+    left: auto;
+    right: 20px;
+    margin-left: -10px;
+    border-width: 10px;
+    border-style: solid;
+    border-color: #555 transparent transparent transparent;
+  }
+}
+
+.tooltipFootnote {
+  color: var(--gray);
+  font-size: 0.9em;
+}
+
+@keyframes ellipsis {
+  10% {
+    content: "    ";
+  }
+  25% {
+    content: " .  ";
+  }
+  50% {
+    content: " .. ";
+  }
+  75% {
+    content: " ...";
+  }
+}
+
+.ellipsis::after {
+  display: inline-block;
+  animation: ellipsis 1.5s infinite;
+  content: " ...";
+}

src/components/OpenWithButton.js

@@ -3,13 +3,14 @@ import classnames from 'classnames';
 
 import Button from './Button';
 import CopyButton from './CopyButton';
+import OpenWithButton from './OpenWithButton';
 
 import { useHighlight } from '../hooks';
 import { escapeHtml } from '../utils';
 
 import * as css from './Tabs.module.css';
 
-const Tabs = ({ pdes, className }) => {
+const Tabs = ({ pdes, className, dataFiles }) => {
   const [active, setActive] = useState(pdes[0].name);
 
   useHighlight();
@@ -40,7 +41,10 @@ const Tabs = ({ pdes, className }) => {
             [css.activeCode]: pde.name === active
           })}
           key={key}>
-          <CopyButton text={pde.code} />
+          <div className={css.actions}>
+            <CopyButton text={pde.code} />
+            <OpenWithButton pdes={pdes} dataFiles={dataFiles} />
+          </div>
           <pre className={css.codeBlock}>
             <code
               dangerouslySetInnerHTML={{

src/components/OpenWithButton.module.css

@@ -37,3 +37,8 @@
   padding-bottom: var(--gutter-double);
   white-space: break-spaces;
 }
+
+.actions{
+  position: absolute;
+  right: var(--gutter);
+}

src/components/Tabs.js

@@ -0,0 +1,23 @@
+import { useStaticQuery, graphql } from "gatsby"
+
+export const useExampleDataFiles = (sketchName) => {
+  const data = useStaticQuery(
+    graphql`
+query GetExampleDataFiles {
+  allFile(
+    filter: {sourceInstanceName: {eq: "examples"}, name: {}, relativePath: {regex: "/data/"}}
+  ) {
+    edges {
+      node {
+        relativePath
+        publicURL
+      }
+    }
+  }
+}`
+  )
+  return data.allFile.edges
+    .map((edge) => edge.node)
+    .filter(node => node.relativePath.includes(sketchName))
+    ;
+}

src/components/Tabs.module.css

@@ -22,10 +22,12 @@ import {
   useRelatedExamples,
   useTrail
 } from '../../hooks/examples';
+import { useExampleDataFiles } from '../../hooks/examples/data';
 
 import * as css from '../../styles/templates/examples/example.module.css';
 import * as grid from '../../styles/grid.module.css';
 
+
 const ExampleTemplate = ({ data, pageContext }) => {
   const [showSidebar, setShowSidebar] = useSidebar('examples');
   const intl = useIntl();
@@ -35,6 +37,7 @@ const ExampleTemplate = ({ data, pageContext }) => {
   const { image, allExamples, relatedImages, liveSketch } = data;
 
   const example = usePreparedExample(data.example);
+  const dataFiles = useExampleDataFiles(name)
   const pdes = usePdes(data.pdes.nodes, locale, name);
   const examples = usePreparedExamples(allExamples.nodes, relatedImages.nodes);
   const tree = useTree(examples);
@@ -117,7 +120,7 @@ const ExampleTemplate = ({ data, pageContext }) => {
                 />
               )}
             </div>
-            <Tabs pdes={pdes} />
+            <Tabs pdes={pdes} dataFiles={dataFiles} />
             <RelatedExamples
               examples={relatedExamples}
               heading={intl.formatMessage({ id: 'relatedExamples' })}