add customizer

.gitignore

@@ -6,3 +6,4 @@ public/openscad.js
 public/openscad.wasm
 src/wasm
 package-lock.json
+.DS_Store

src/components/App.tsx

@@ -9,6 +9,7 @@ import Footer from './Footer';
 import { ModelContext, FSContext } from './contexts';
 import PanelSwitcher from './PanelSwitcher';
 import { ConfirmDialog } from 'primereact/confirmdialog';
+import CustomizerPanel from './CustomizerPanel';
 
 
 // import "primereact/resources/themes/lara-light-indigo/theme.css";
@@ -30,11 +31,11 @@ export function App({initialState, statePersister, fs}: {initialState: State, st
     viewer: {
       editor: 2,
       viewer: 3,
-      customizer: 2,
+      customizer: 1,
     },
     customizer: {
       editor: 0,
-      viewer: 0,
+      viewer: 1,
       customizer: 3,
     }
   }
@@ -78,7 +79,11 @@ export function App({initialState, statePersister, fs}: {initialState: State, st
               ${layout.mode === 'single' ? 'absolute-fill' : ''}
             `} style={getPanelStyle('editor')} />
             <ViewerPanel className={layout.mode === 'single' ? `absolute-fill` : ''} style={getPanelStyle('viewer')} />
-            {/* <CustomizerPanel className={`${getPanelClasses('customizer')} absolute-fill`} style={getPanelStyle('customizer')} /> */}
+            <CustomizerPanel className={`
+              opacity-animated
+              ${layout.mode === 'single' && layout.focus !== 'customizer' ? 'opacity-0' : ''}
+              ${layout.mode === 'single' ? `absolute-fill` : ''}
+            `} style={getPanelStyle('customizer')} />
           </div>
 
           <Footer />

src/components/CustomizerPanel.tsx

@@ -0,0 +1,219 @@
+// Portions of this file are Copyright 2021 Google LLC, and licensed under GPL2+. See COPYING.
+
+import { CSSProperties, useContext } from 'react';
+import { ModelContext, FSContext } from './contexts';
+
+import { Dropdown } from 'primereact/dropdown';
+import { Slider } from 'primereact/slider';
+import { Checkbox } from 'primereact/checkbox';
+import { InputNumber } from 'primereact/inputnumber';
+import { InputText } from 'primereact/inputtext';
+import { Fieldset } from 'primereact/fieldset';
+import { Parameter } from '../state/customizer-types';
+import { Button } from 'primereact/button';
+
+export default function CustomizerPanel({className, style}: {className?: string, style?: CSSProperties}) {
+
+  const model = useContext(ModelContext);
+  if (!model) throw new Error('No model');
+
+  const state = model.state;
+
+  const handleChange = (name: string, value: any) => {
+    model.setVar(name, value);
+  };
+
+  const groupedParameters = (state.parameterSet?.parameters ?? []).reduce((acc, param) => {
+    if (!acc[param.group]) {
+      acc[param.group] = [];
+    }
+    acc[param.group].push(param);
+    return acc;
+  }, {} as { [key: string]: any[] });
+
+  const groups = Object.entries(groupedParameters);
+  const collapsedTabSet = new Set(state.view.collapsedCustomizerTabs ?? []);
+  const setTabOpen = (name: string, open: boolean) => {
+    if (open) {
+      collapsedTabSet.delete(name);
+    } else {
+      collapsedTabSet.add(name)
+    }
+    model.mutate(s => s.view.collapsedCustomizerTabs = Array.from(collapsedTabSet));
+  }
+
+  return (
+    <div
+        className={className}
+        style={{
+          display: 'flex',
+          flexDirection: 'column',
+          overflow: 'scroll',
+          ...style,
+          bottom: 'unset',
+        }}>
+      {groups.map(([group, params]) => (
+        <Fieldset 
+            style={{
+              margin: '5px 10px 5px 10px',
+              // backgroundColor: 'transparent',
+              backgroundColor: 'rgba(255,255,255,0.4)',
+            }}
+            onCollapse={() => setTabOpen(group, false)}
+            onExpand={() => setTabOpen(group, true)}
+            collapsed={collapsedTabSet.has(group)}
+            key={group}
+            legend={group}
+            toggleable={true}>
+          {params.map((param) => (
+            <ParameterInput
+              key={param.name}
+              value={(state.params.vars ?? {})[param.name]}
+              param={param}
+              handleChange={handleChange} />
+          ))}
+        </Fieldset>
+      ))}
+    </div>
+  );
+};
+
+function ParameterInput({param, value, className, style, handleChange}: {param: Parameter, value: any, className?: string, style?: CSSProperties, handleChange: (key: string, value: any) => void}) {
+  return (
+    <div 
+      // ref={ref} 
+      // onClick={state.view.layout.mode === 'single' ? handleClick : undefined}
+      style={{
+        flex: 1,
+        ...style,
+        display: 'flex',
+        flexDirection: 'column',
+      }}>
+      <div 
+        style={{
+          flex: 1,
+          display: 'flex',
+          margin: '10px -10px 10px 5px',
+          flexDirection: 'row',
+          alignItems: 'center',
+          justifyContent: 'space-between',
+        }}>
+        <div 
+          // onClick={swallowClick}
+          style={{
+            flex: 1,
+            display: 'flex',
+            flexDirection: 'column',
+          }}>
+          <label><b>{param.name}</b></label>
+          <div>{param.caption}</div>
+        </div>
+        <div 
+          // onClick={swallowClick}
+          style={{
+            // flex: 1,
+            // margin: '10px',
+            display: 'flex',
+            flexDirection: 'row',
+            alignItems: 'center',
+            justifyContent: 'space-between',
+          }}>
+          {param.type === 'number' && 'options' in param && (
+            <Dropdown
+              style={{flex: 1}}
+              value={value || param.initial}
+              options={param.options}
+              onChange={(e) => handleChange(param.name, e.value)}
+              optionLabel="name"
+              optionValue="value"
+            />
+          )}
+          {param.type === 'string' && param.options && (
+            <Dropdown
+              // style={{flex: 1}}
+              value={value || param.initial}
+              options={param.options}
+              onChange={(e) => handleChange(param.name, e.value)}
+              optionLabel="name"
+              optionValue="value"
+            />
+          )}
+          {param.type === 'boolean' && (
+            <Checkbox
+              // style={{flex: 1}}
+              checked={value ?? param.initial}
+              onChange={(e) => handleChange(param.name, e.checked)}
+            />
+          )}
+          {!Array.isArray(param.initial) && param.type === 'number' && !('options' in param) && (
+            <InputNumber
+              // style={{flex: 1}}
+              value={value || param.initial}
+              showButtons
+              size={5}
+              // buttonLayout='horizontal'
+              onValueChange={(e) => handleChange(param.name, e.value)}
+            />
+          )}
+          {param.type === 'string' && !param.options && (
+            <InputText
+              style={{flex: 1}}
+              value={value || param.initial}
+              onChange={(e) => handleChange(param.name, e.target.value)}
+            />
+          )}
+          {Array.isArray(param.initial) && 'min' in param && (
+            <div style={{
+              flex: 1,
+              display: 'flex',
+              flexDirection: 'row',
+            }}>
+              {param.initial.map((_, index) => (
+                <InputNumber
+                  style={{flex: 1}}
+                  key={index}
+                  value={value?.[index] ?? (param.initial as any)[index]}
+                  min={param.min}
+                  max={param.max}
+                  showButtons
+                  // buttonLayout='horizontal'
+                  size={5}
+                  step={param.step}
+                  onValueChange={(e) => {
+                    const newArray = [...(value ?? param.initial)];
+                    newArray[index] = e.value;
+                    handleChange(param.name, newArray);
+                  }}
+                />
+              ))}
+            </div>
+          )}
+          <Button
+            onClick={() => handleChange(param.name, param.initial)}
+            style={{
+              marginRight: '0',
+              visibility: value === undefined || (JSON.stringify(value) === JSON.stringify(param.initial)) ? 'hidden' : 'visible',
+            }}
+            // tooltip={`Reset to default value (${JSON.stringify(param.initial)})`}
+            tooltipOptions={{position: 'left'}}
+            icon='pi pi-refresh'
+            className='p-button-text'/>
+        </div>
+      </div>
+      {!Array.isArray(param.initial) && param.type === 'number' && param.min !== undefined && (
+        <Slider
+          style={{
+            flex: 1,
+            minHeight: '5px',
+            margin: '5px 40px 5px 5px',
+          }}
+          value={value || param.initial}
+          min={param.min}
+          max={param.max}
+          step={param.step}
+          onChange={(e) => handleChange(param.name, e.value)}
+        />
+      )}
+    </div>
+  );
+}

src/components/HelpMenu.tsx

@@ -28,6 +28,13 @@ export default function HelpMenu() {
           url: 'http://openscad.org/documentation.html',
           target: '_blank'
         },
+        {
+          label: 'Customizer Syntax',
+          icon: 'pi pi-book',
+          url: 'https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Customizer',
+          target: '_blank'
+        },
+        
         {
           label: 'OpenSCAD Cheatsheet',
           icon: 'pi pi-palette',

src/components/PanelSwitcher.tsx

@@ -16,8 +16,10 @@ export default function PanelSwitcher() {
   const singleTargets: {id: SingleLayoutComponentId, icon: string, label: string}[] = [
     { id: 'editor', icon: 'pi pi-pencil', label: 'Edit' },
     { id: 'viewer', icon: 'pi pi-box', label: 'View' },
-    { id: 'customizer', icon: 'pi pi-sliders-h', label: 'Customize' },
   ];
+  if ((state.parameterSet?.parameters?.length ?? 0) > 0) {
+    singleTargets.push({ id: 'customizer', icon: 'pi pi-sliders-h', label: 'Customize' });
+  }
   const multiTargets = singleTargets;
 
   return (
@@ -45,7 +47,6 @@ export default function PanelSwitcher() {
                     onIcon={icon}
                     offIcon={icon}
                     // icon={icon}
-                    disabled={id === 'customizer'}
                     // onClick={() => model.changeMultiVisibility(id, !(state.view.layout as any)[id])}
                     onChange={e => model.changeMultiVisibility(id, e.value)}
                     />
@@ -59,7 +60,7 @@ export default function PanelSwitcher() {
                     // justifyContent: 'center'
                   }}
                   model={singleTargets.map(({icon, label, id}) => 
-                  ({icon, label, disabled: id === 'customizer', command: () => model.changeSingleVisibility(id)}))} />
+                  ({icon, label/*, disabled: id === 'customizer' && state?.parameterSet == null*/, command: () => model.changeSingleVisibility(id)}))} />
               </>
         }
         <SettingsMenu style={{

src/runner/actions.ts

@@ -5,20 +5,23 @@ import { getParentDir } from '../fs/filesystem';
 import { spawnOpenSCAD } from "./openscad-runner";
 import { processMergedOutputs } from "./output-parser";
 import { AbortablePromise, turnIntoDelayableExecution } from '../utils';
+import { ParameterSet } from '../state/customizer-types';
 
 const syntaxDelay = 300;
 
-type SyntaxCheckOutput = {logText: string, markers: monaco.editor.IMarkerData[]};
+type SyntaxCheckOutput = {logText: string, markers: monaco.editor.IMarkerData[], parameterSet?: ParameterSet};
 export const checkSyntax =
   turnIntoDelayableExecution(syntaxDelay, (source: string, sourcePath: string) => {
     // const timestamp = Date.now(); 
     
     source = '$preview=true;\n' + source;
 
+    const outFile = 'out.json';
     const job = spawnOpenSCAD({
       inputs: [[sourcePath, source + '\n']],
-      args: [sourcePath, "-o", "out.ast"],
+      args: [sourcePath, "-o", outFile, "--export-format=param"],
       // workingDir: sourcePath.startsWith('/') ? getParentDir(sourcePath) : '/home'
+      outputPaths: [outFile],
     });
 
     return AbortablePromise<SyntaxCheckOutput>((res, rej) => {
@@ -26,10 +29,28 @@ export const checkSyntax =
         try {
           const result = await job;
           // console.log(result);
-          res(processMergedOutputs(result.mergedOutputs, {shiftSourceLines: {
+
+          let parameterSet: ParameterSet | undefined = undefined;
+          if (result.outputs && result.outputs.length == 1) {
+            let [[, content]] = result.outputs;
+            content = new TextDecoder().decode(content as any);
+            try {
+              parameterSet = JSON.parse(content)
+              // console.log('PARAMETER SET', JSON.stringify(parameterSet, null, 2))
+            } catch (e) {
+              console.error(`Error while parsing parameter set: ${e}\n${content}`);
+            }
+          } else {
+            console.error('No output from runner!');
+          }
+
+          res({
+            ...processMergedOutputs(result.mergedOutputs, {shiftSourceLines: {
               sourcePath,
               skipLines: 1,
-          }}));
+            }}),
+            parameterSet,
+          });
         } catch (e) {
           console.error(e);
           rej(e);
@@ -45,12 +66,23 @@ export type RenderOutput = {stlFile: File, logText: string, markers: monaco.edit
 export type RenderArgs = {
   source: string,
   sourcePath: string,
+  vars?: {[name: string]: any},
   features?: string[],
   extraArgs?: string[],
   isPreview: boolean
 }
+
+function formatValue(any: any): string {
+  if (typeof any === 'string') {
+    return `"${any}"`;
+  } else if (any instanceof Array) {
+    return `[${any.map(formatValue).join(', ')}]`;
+  } else {
+    return `${any}`;
+  }
+}
 export const render =
- turnIntoDelayableExecution(renderDelay, ({sourcePath, source, isPreview, features, extraArgs}: RenderArgs) => {
+ turnIntoDelayableExecution(renderDelay, ({sourcePath, source, isPreview, vars, features, extraArgs}: RenderArgs) => {
 
     const prefixLines: string[] = [];
     if (isPreview) {
@@ -62,6 +94,7 @@ export const render =
       sourcePath,
       "-o", "out.stl",
       "--export-format=binstl",
+      ...(Object.entries(vars ?? {}).flatMap(([k, v]) => [`-D${k}=${formatValue(v)}`])),
       ...(features ?? []).map(f => `--enable=${f}`),
       ...(extraArgs ?? [])
     ]

src/state/app-state.ts

@@ -1,6 +1,7 @@
 // Portions of this file are Copyright 2021 Google LLC, and licensed under GPL2+. See COPYING.
 
 import * as monaco from 'monaco-editor/esm/vs/editor/editor.api';
+import { ParameterSet } from './customizer-types';
 
 export type MultiLayoutComponentId = 'editor' | 'viewer' | 'customizer';
 export type SingleLayoutComponentId = MultiLayoutComponentId;
@@ -9,6 +10,7 @@ export interface State {
   params: {
     sourcePath: string,
     source: string,
+    vars?: {[name: string]: any},
     features: string[],
   },
 
@@ -21,6 +23,8 @@ export interface State {
       mode: 'multi',
     } & { [K in MultiLayoutComponentId]: boolean })
 
+    collapsedCustomizerTabs?: string[],
+    
     color: string,
     showAxes?: boolean,
     showShadows?: boolean,
@@ -35,6 +39,7 @@ export interface State {
   previewing?: boolean,
   checkingSyntax?: boolean,
 
+  parameterSet?: ParameterSet,
   error?: string,
   output?: {
     isPreview: boolean,

src/state/customizer-types.ts

@@ -0,0 +1,46 @@
+export type ParameterOption = {
+  name: string;
+  value: number | string;
+};
+
+export type BaseParameter = {
+  caption: string;
+  group: string;
+  name: string;
+  type: 'number' | 'string' | 'boolean';
+};
+
+export type NumberParameter = BaseParameter & {
+  type: 'number';
+  initial: number;
+  min?: number;
+  max?: number;
+  step?: number;
+  options?: ParameterOption[];
+};
+
+export type StringParameter = BaseParameter & {
+  type: 'string';
+  initial: string;
+  options?: ParameterOption[];
+};
+
+export type BooleanParameter = BaseParameter & {
+  type: 'boolean';
+  initial: boolean;
+};
+
+export type VectorParameter = BaseParameter & {
+  type: 'number';
+  initial: number[];
+  min: number;
+  max: number;
+  step: number;
+};
+
+export type Parameter = NumberParameter | StringParameter | BooleanParameter | VectorParameter;
+
+export type ParameterSet = {
+  parameters: Parameter[];
+  title: string;
+};

src/state/fragment-state.ts

@@ -63,6 +63,7 @@ export async function readStateFromFragment(): Promise<State | null> {
           sourcePath: validateString(params?.sourcePath),
           source: validateString(params?.source),
           features: validateArray(params?.features, validateString),
+          vars: params?.vars, // TODO: validate!
         },
         view: {
           layout: {
@@ -72,6 +73,7 @@ export async function readStateFromFragment(): Promise<State | null> {
             viewer: validateBoolean(view?.layout['viewer']),
             customizer: validateBoolean(view?.layout['customizer']),
           },
+          collapsedCustomizerTabs: validateArray(view?.collapsedCustomizerTabs, validateString),
           color: validateString(view?.color, () => defaultModelColor),
           showAxes: validateBoolean(view?.layout?.showAxis, () => true),
           showShadows: validateBoolean(view?.layout?.showShadow, () => true),

src/state/model.ts

@@ -35,6 +35,11 @@ export class Model {
     return false;
   }
 
+  setVar(name: string, value: any) {
+    this.mutate(s => s.params.vars = {...s.params.vars ?? {}, [name]: value});
+    this.render({isPreview: true, now: false});
+  }
+
   set logsVisible(value: boolean) {
     if (value) {
       if (this.state.view.layout.mode === 'single') {
@@ -131,6 +136,7 @@ export class Model {
         console.error('Error while checking syntax:', err)
       } else {
         s.lastCheckerRun = checkerRun;
+        s.parameterSet = checkerRun?.parameterSet;
         s.checkingSyntax = false;
       }
     })});
@@ -146,9 +152,9 @@ export class Model {
     }
     this.mutate(s => setRendering(s, true));
 
-    const {source, sourcePath, features} = this.state.params;
+    const {source, sourcePath, vars, features} = this.state.params;
     
-    render({source, sourcePath, features, extraArgs: [], isPreview})({now, callback: (output, err) => {
+    render({source, sourcePath, vars, features, extraArgs: [], isPreview})({now, callback: (output, err) => {
       this.mutate(s => {
         setRendering(s, false);
         if (err != null) {