feat: port "copy to clipboard" / "expand/collapse all" functionality

closes #410

demo/playground/hmr-playground.tsx

@@ -24,7 +24,7 @@ const swagger = window.location.search.indexOf('swagger') > -1; // compatibility
 const specUrl = swagger ? 'swagger.yaml' : big ? 'big-openapi.json' : 'openapi.yaml';
 
 let store;
-const options: RedocRawOptions = {};
+const options: RedocRawOptions = { nativeScrollbars: true };
 
 async function init() {
   const spec = await loadAndBundleSpec(specUrl);

package.json

@@ -39,6 +39,7 @@
     "@types/react-dom": "^16.0.0",
     "@types/react-hot-loader": "^3.0.3",
     "@types/react-tabs": "^1.0.2",
+    "@types/react-tooltip": "^3.3.3",
     "@types/webpack": "^3.0.5",
     "@types/webpack-env": "^1.13.0",
     "awesome-typescript-loader": "^3.2.2",
@@ -89,8 +90,8 @@
     "prop-types": "^15.6.0",
     "react-dropdown": "^1.3.0",
     "react-hot-loader": "3.0.0-beta.6",
-    "react-perfect-scrollbar": "^0.2.2",
     "react-tabs": "^2.0.0",
+    "react-tooltip": "^3.4.0",
     "remarkable": "^1.7.1",
     "slugify": "^1.2.1",
     "stickyfill": "^1.1.1",

src/common-elements/CopyButtonWrapper.tsx

@@ -0,0 +1,55 @@
+import * as React from 'react';
+import * as ReactTooltip from 'react-tooltip';
+
+import { ClipboardService } from '../services/ClipboardService';
+
+export interface CopyButtonWrapperProps {
+  data: any;
+  children: (
+    props: {
+      renderCopyButton: (() => React.ReactNode);
+    },
+  ) => React.ReactNode;
+}
+
+export class CopyButtonWrapper extends React.PureComponent<CopyButtonWrapperProps> {
+  render() {
+    return this.props.children({ renderCopyButton: this.renderCopyButton });
+  }
+
+  copy = () => {
+    const content =
+      typeof this.props.data === 'string'
+        ? this.props.data
+        : JSON.stringify(this.props.data, null, 2);
+    ClipboardService.copyCustom(content);
+  };
+
+  renderCopyButton = () => {
+    return (
+      <>
+        <span
+          onClick={this.copy}
+          data-tip={true}
+          data-for="copy_tooltip"
+          data-event="click"
+          data-event-off="mouseleave"
+        >
+          Copy
+        </span>
+        <ReactTooltip
+          isCapture={true}
+          id="copy_tooltip"
+          place="top"
+          getContent={this.getTooltipContent}
+          type="light"
+          effect="solid"
+        />
+      </>
+    );
+  };
+
+  getTooltipContent() {
+    return ClipboardService.isSupported() ? 'Copied' : 'Not supported in your browser';
+  }
+}

src/common-elements/index.ts

@@ -7,3 +7,4 @@ export * from './schema';
 export * from './dropdown';
 export * from './mixins';
 export * from './tabs';
+export * from './samples';

src/common-elements/samples.tsx

@@ -0,0 +1,23 @@
+import styled from '../styled-components';
+
+export const SampleControls = styled.div`
+  opacity: 0.4;
+  transition: opacity 0.3s ease;
+  text-align: right;
+
+  > span {
+    display: inline-block;
+    padding: 2px 10px;
+    cursor: pointer;
+
+    :hover {
+      background: rgba(255, 255, 255, 0.1);
+    }
+  }
+`;
+
+export const SampleControlsWrap = styled.div`
+  &:hover ${SampleControls} {
+    opacity: 1;
+  }
+`;

src/components/JsonViewer/JsonViewer.tsx

@@ -1,6 +1,8 @@
 import * as React from 'react';
 import styled from '../../styled-components';
 
+import { SampleControls } from '../../common-elements';
+import { CopyButtonWrapper } from '../../common-elements/CopyButtonWrapper';
 import { jsonToHTML } from '../../utils/jsonToHtml';
 import { jsonStyles } from './style';
 
@@ -9,18 +11,51 @@ interface JsonProps {
   className?: string;
 }
 
+const JsonViewerWrap = styled.div`
+  &:hover > ${SampleControls} {
+    opacity: 1;
+  }
+`;
+
 class Json extends React.PureComponent<JsonProps> {
-  node: HTMLElement | null;
+  node: HTMLDivElement;
 
   render() {
-    return (
+    return <CopyButtonWrapper data={this.props.data}>{this.renderInner}</CopyButtonWrapper>;
+  }
+
+  renderInner = ({ renderCopyButton }) => (
+    <JsonViewerWrap>
+      <SampleControls>
+        {renderCopyButton()}
+        <span onClick={this.expandAll}> Expand all </span>
+        <span onClick={this.collapseAll}> Collapse all </span>
+      </SampleControls>
       <div
         className={this.props.className}
-        ref={node => (this.node = node)}
+        ref={node => (this.node = node!)}
         dangerouslySetInnerHTML={{ __html: jsonToHTML(this.props.data) }}
       />
-    );
-  }
+    </JsonViewerWrap>
+  );
+
+  expandAll = () => {
+    const elements = this.node.getElementsByClassName('collapsible');
+    for (const collapsed of Array.prototype.slice.call(elements)) {
+      (collapsed.parentNode as Element)!.classList.remove('collapsed');
+    }
+  };
+
+  collapseAll = () => {
+    const elements = this.node.getElementsByClassName('collapsible');
+    for (const expanded of Array.prototype.slice.call(elements)) {
+      // const collapsed = elements[i];
+      if ((expanded.parentNode as Element)!.classList.contains('redoc-json')) {
+        continue;
+      }
+      (expanded.parentNode as Element)!.classList.add('collapsed');
+    }
+  };
 
   clickListener = (event: MouseEvent) => {
     let collapsed;
@@ -44,6 +79,6 @@ class Json extends React.PureComponent<JsonProps> {
   }
 }
 
-export const StyledJson = styled(Json)`
+export const JsonViewer = styled(Json)`
   ${jsonStyles};
 `;

src/components/PayloadSamples/MediaTypeSamples.tsx

@@ -2,8 +2,8 @@ import * as React from 'react';
 
 import { SmallTabs, Tab, TabList, TabPanel } from '../../common-elements';
 import { MediaTypeModel } from '../../services/models';
-import { StyledJson } from '../JsonViewer/JsonViewer';
-import { SourceCode } from '../SourceCode/SourceCode';
+import { JsonViewer } from '../JsonViewer/JsonViewer';
+import { SourceCodeWithCopy } from '../SourceCode/SourceCode';
 import { NoSampleLabel } from './styled.elements';
 
 import { isJsonLike, langFromMime } from '../../utils';
@@ -19,9 +19,11 @@ export class MediaTypeSamples extends React.Component<PayloadSamplesProps> {
 
     const noSample = <NoSampleLabel>No sample</NoSampleLabel>;
     const sampleView = isJsonLike(mimeType)
-      ? sample => <StyledJson data={sample} />
+      ? sample => <JsonViewer data={sample} />
       : sample =>
-          (sample && <SourceCode lang={langFromMime(mimeType)} source={sample} />) || { noSample };
+          (sample && <SourceCodeWithCopy lang={langFromMime(mimeType)} source={sample} />) || {
+            noSample,
+          };
 
     const examplesNames = Object.keys(examples);
     if (examplesNames.length === 0) {

src/components/RequestSamples/RequestSamples.tsx

@@ -2,7 +2,7 @@ import { observer } from 'mobx-react';
 import * as React from 'react';
 import { OperationModel } from '../../services/models';
 import { PayloadSamples } from '../PayloadSamples/PayloadSamples';
-import { SourceCode } from '../SourceCode/SourceCode';
+import { SourceCodeWithCopy } from '../SourceCode/SourceCode';
 
 import { Tab, TabList, TabPanel, Tabs } from '../../common-elements';
 
@@ -40,7 +40,7 @@ export class RequestSamples extends React.Component<RequestSamplesProps> {
             )}
             {samples.map(sample => (
               <TabPanel key={sample.lang}>
-                <SourceCode lang={sample.lang} source={sample.source} />
+                <SourceCodeWithCopy lang={sample.lang} source={sample.source} />
               </TabPanel>
             ))}
           </Tabs>

src/components/SourceCode/SourceCode.tsx

@@ -2,11 +2,15 @@ import * as React from 'react';
 import styled from '../../styled-components';
 import { highlight } from '../../utils';
 
+import { SampleControls, SampleControlsWrap } from '../../common-elements';
+import { CopyButtonWrapper } from '../../common-elements/CopyButtonWrapper';
+
 const StyledPre = styled.pre`
   font-family: ${props => props.theme.code.fontFamily};
   font-size: ${props => props.theme.code.fontSize};
   overflow-x: auto;
   font-size: 0.9em;
+  margin: 0;
 `;
 
 export interface SourceCodeProps {
@@ -20,3 +24,18 @@ export class SourceCode extends React.PureComponent<SourceCodeProps> {
     return <StyledPre dangerouslySetInnerHTML={{ __html: highlight(source, lang) }} />;
   }
 }
+
+export class SourceCodeWithCopy extends React.PureComponent<SourceCodeProps> {
+  render() {
+    return (
+      <CopyButtonWrapper data={this.props.source}>
+        {({ renderCopyButton }) => (
+          <SampleControlsWrap>
+            <SampleControls>{renderCopyButton()}</SampleControls>
+            <SourceCode lang={this.props.lang} source={this.props.source} />
+          </SampleControlsWrap>
+        )}
+      </CopyButtonWrapper>
+    );
+  }
+}

yarn.lock

@@ -94,6 +94,12 @@
   dependencies:
     "@types/react" "*"
 
+"@types/react-tooltip@^3.3.3":
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/@types/react-tooltip/-/react-tooltip-3.3.3.tgz#3b6dbb278fc8317ad04f0ce1972a0972f5450aa7"
+  dependencies:
+    "@types/react" "*"
+
 "@types/react@*", "@types/react@^16.0.30":
   version "16.0.34"
   resolved "https://registry.yarnpkg.com/@types/react/-/react-16.0.34.tgz#7a8f795afd8a404a9c4af9539b24c75d3996914e"
@@ -1091,7 +1097,7 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-classnames@^2.2.0, classnames@^2.2.3:
+classnames@^2.2.0, classnames@^2.2.3, classnames@^2.2.5:
   version "2.2.5"
   resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.5.tgz#fb3801d453467649ef3603c7d61a02bd129bde6d"
 
@@ -5848,6 +5854,13 @@ react-test-renderer@^16.0.0-0:
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
+react-tooltip@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/react-tooltip/-/react-tooltip-3.4.0.tgz#037f38f797c3e6b1b58d2534ccc8c2c76af4f52d"
+  dependencies:
+    classnames "^2.2.5"
+    prop-types "^15.6.0"
+
 react@^16.2.0:
   version "16.2.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.2.0.tgz#a31bd2dab89bff65d42134fa187f24d054c273ba"