[added] 'Responsive embed' component

Author: AlexKVal

Diff for: docs/assets/TheresaKnott_castle.svg

@@ -7,6 +7,7 @@ import './assets/logo.png';
 import './assets/favicon.ico';
 import './assets/thumbnail.png';
 import './assets/thumbnaildiv.png';
+import './assets/TheresaKnott_castle.svg';
 
 import 'codemirror/mode/htmlmixed/htmlmixed';
 import 'codemirror/mode/javascript/javascript';

Diff for: docs/client.js

@@ -48,6 +48,7 @@
     "PanelGroup",
     "Popover",
     "ProgressBar",
+    "ResponsiveEmbed",
     "Row",
     "SplitButton",
     "Tab",

Diff for: docs/examples/.eslintrc

@@ -0,0 +1,9 @@
+const responsiveEmbedInstance = (
+  <div style={{width: 660, height: 'auto'}}>
+    <ResponsiveEmbed a16by9>
+      <embed type="image/svg+xml" src="/assets/TheresaKnott_castle.svg" />
+    </ResponsiveEmbed>
+  </div>
+);
+
+React.render(responsiveEmbedInstance, mountNode);

Diff for: docs/examples/ResponsiveEmbed.js

@@ -807,6 +807,19 @@ const ComponentsPage = React.createClass({
                   <ReactPlayground codeText={Samples.PageHeader} />
                 </div>
 
+                {/* Responsive embed */}
+                <div className="bs-docs-section">
+                  <h1 className="page-header"><Anchor id="responsive-embed">Responsive embed</Anchor></h1>
+
+                  <p>Allow browsers to determine video or slideshow dimensions based on the width of their containing block by creating an intrinsic ratio that will properly scale on any device.</p>
+                  <p>You don't need to include <code>frameborder="0"</code> in your <code>iframe</code>s.</p>
+                  <p className="bg-warning">Either <b>16by9</b> or <b>4by3</b> aspect ratio via <code>a16by9</code> or <code>a4by3</code> attribute must be set.</p>
+                  <ReactPlayground codeText={Samples.ResponsiveEmbed} />
+
+                  <h3><Anchor id="responsive-embed-props">Props</Anchor></h3>
+                  <PropTable component="ResponsiveEmbed"/>
+                </div>
+
                 {/* Wells */}
                 <div className="bs-docs-section">
                   <h1 className="page-header"><Anchor id="wells">Wells</Anchor></h1>
@@ -977,6 +990,7 @@ const ComponentsPage = React.createClass({
                     <NavItem href="#badges" key={20}>Badges</NavItem>
                     <NavItem href="#jumbotron" key={21}>Jumbotron</NavItem>
                     <NavItem href="#page-header" key={22}>Page Header</NavItem>
+                    <NavItem href="#responsive-embed" key={31}>Responsive embed</NavItem>
                     <NavItem href="#wells" key={23}>Wells</NavItem>
                     <NavItem href="#glyphicons" key={24}>Glyphicons</NavItem>
                     <NavItem href="#tables" key={25}>Tables</NavItem>

Diff for: docs/src/ComponentsPage.js

@@ -48,6 +48,7 @@ const Panel = require('../../src/Panel');
 const PanelGroup = require('../../src/PanelGroup');
 const Popover = require('../../src/Popover');
 const ProgressBar = require('../../src/ProgressBar');
+const ResponsiveEmbed = require('../../src/ResponsiveEmbed');
 const Row = require('../../src/Row');
 const SplitButton = require('../../src/SplitButton');
 const Tab = require('../../src/Tab');

Diff for: docs/src/ReactPlayground.js

@@ -108,6 +108,7 @@ export default {
   MenuItem:                      require('fs').readFileSync(__dirname + '/../examples/MenuItem.js', 'utf8'),
   ImageResponsive:               require('fs').readFileSync(__dirname + '/../examples/ImageResponsive.js', 'utf8'),
   ImageShape:                    require('fs').readFileSync(__dirname + '/../examples/ImageShape.js', 'utf8'),
+  ResponsiveEmbed:               require('fs').readFileSync(__dirname + '/../examples/ResponsiveEmbed.js', 'utf8'),
 
   Overlay:                       require('fs').readFileSync(__dirname + '/../examples/Overlay.js', 'utf8'),
   OverlayCustom:                 require('fs').readFileSync(__dirname + '/../examples/OverlayCustom.js', 'utf8')

Diff for: docs/src/Samples.js

@@ -0,0 +1,56 @@
+import React, { PropTypes, cloneElement } from 'react';
+import warning from 'react/lib/warning';
+import classNames from 'classnames';
+
+class ResponsiveEmbed extends React.Component {
+  render() {
+    const { bsClass, className, a16by9, a4by3, ...props } = this.props;
+    warning(!(!a16by9 && !a4by3), '`a16by9` or `a4by3` attribute must be set.');
+    warning(!(a16by9 && a4by3), 'Either `a16by9` or `a4by3` attribute can be set. Not both.');
+
+    const aspectRatio = {
+      'embed-responsive-16by9': a16by9,
+      'embed-responsive-4by3': a4by3
+    };
+
+    return (
+      <div className={classNames(bsClass, aspectRatio)}>
+        {cloneElement(
+          this.props.children,
+          {
+            ...props,
+            className: classNames(className, 'embed-responsive-item')
+          }
+        )}
+      </div>
+    );
+  }
+}
+
+ResponsiveEmbed.defaultProps = {
+  bsClass: 'embed-responsive',
+  a16by9: false,
+  a4by3: false
+};
+
+ResponsiveEmbed.propTypes = {
+  /**
+   * bootstrap className
+   * @private
+   */
+  bsClass: PropTypes.string,
+  /**
+   * This component accepts only one child element
+   */
+  children: PropTypes.element.isRequired,
+  /**
+   * 16by9 aspect ratio
+   */
+  a16by9: PropTypes.bool,
+  /**
+   * 4by3 aspect ratio
+   */
+  a4by3: PropTypes.bool
+};
+
+export default ResponsiveEmbed;

Diff for: src/ResponsiveEmbed.js

@@ -52,6 +52,7 @@ export Panel from './Panel';
 export PanelGroup from './PanelGroup';
 export Popover from './Popover';
 export ProgressBar from './ProgressBar';
+export ResponsiveEmbed from './ResponsiveEmbed';
 export Row from './Row';
 export SafeAnchor from './SafeAnchor';
 export SplitButton from './SplitButton';

Diff for: src/index.js

@@ -0,0 +1,92 @@
+import React from 'react';
+import ReactTestUtils from 'react/lib/ReactTestUtils';
+import ResponsiveEmbed from '../src/ResponsiveEmbed';
+import { shouldWarn } from './helpers';
+
+describe('ResponsiveEmbed', () => {
+  it('should contain `embed-responsive` class', () => {
+    let instance = ReactTestUtils.renderIntoDocument(
+      <ResponsiveEmbed a16by9>
+        <div />
+      </ResponsiveEmbed>
+    );
+
+    let instanceClassName = React.findDOMNode(instance).className;
+    assert.ok(instanceClassName, 'embed-responsive');
+  });
+
+  it('should warn if neither `a16by9` nor `a4by3` attribute is set', () => {
+    ReactTestUtils.renderIntoDocument(
+      <ResponsiveEmbed>
+        <div />
+      </ResponsiveEmbed>
+    );
+
+    shouldWarn('`a16by9` or `a4by3` attribute must be set.');
+  });
+
+  it('should warn about both `a16by9` or `a4by3` attributes set', () => {
+    ReactTestUtils.renderIntoDocument(
+      <ResponsiveEmbed a16by9 a4by3>
+        <div />
+      </ResponsiveEmbed>
+    );
+
+    shouldWarn('Either `a16by9` or `a4by3` attribute can be set. Not both.');
+  });
+
+  it('should add `embed-responsive-item` class to child element', () => {
+    const instance = ReactTestUtils.renderIntoDocument(
+      <ResponsiveEmbed a16by9>
+        <div />
+      </ResponsiveEmbed>
+    );
+
+    let child = React.findDOMNode(instance).firstChild;
+    assert.ok(child.className.match(/\bembed-responsive-item\b/));
+  });
+
+  it('should add custom classes to child element', () => {
+    const instance = ReactTestUtils.renderIntoDocument(
+      <ResponsiveEmbed a16by9 className='custom-class'>
+        <div />
+      </ResponsiveEmbed>
+    );
+
+    let child = React.findDOMNode(instance).firstChild;
+    assert.ok(child.className.match(/\bcustom-class\b/));
+  });
+
+  it('should pass custom attributes to child element', () => {
+    const instance = ReactTestUtils.renderIntoDocument(
+      <ResponsiveEmbed a16by9 style={{color: 'white'}}>
+        <div />
+      </ResponsiveEmbed>
+    );
+
+    let child = React.findDOMNode(instance).firstChild;
+    assert.equal(child.style.color, 'white');
+  });
+
+  it('should add `embed-responsive-16by9` class with `a16by9` attribute set', () => {
+    const instance = ReactTestUtils.renderIntoDocument(
+      <ResponsiveEmbed a16by9>
+        <div />
+      </ResponsiveEmbed>
+    );
+
+    let wrapper = React.findDOMNode(instance);
+    assert.ok(wrapper.className.match(/\bembed-responsive-16by9\b/));
+  });
+
+  it('should add `embed-responsive-4by3` class with `a4by3` attribute set', () => {
+    const instance = ReactTestUtils.renderIntoDocument(
+      <ResponsiveEmbed a4by3>
+        <div />
+      </ResponsiveEmbed>
+    );
+
+    let wrapper = React.findDOMNode(instance);
+    assert.ok(wrapper.className.match(/\bembed-responsive-4by3\b/));
+  });
+});