Add tabs support for PageContainer

3 files changed, 102 insertions, 23 deletions

diff --git a/ui/app/components/page-container/index.scss b/ui/app/components/page-container/index.scss
index 06c3ef709..14cdbacd3 100644
--- a/ui/app/components/page-container/index.scss
+++ b/ui/app/components/page-container/index.scss
@@ -109,7 +109,7 @@
 
     &--selected {
       color: $curious-blue;
-      border-bottom: 3px solid $curious-blue;
+      border-bottom: 2px solid $curious-blue;
     }
   }
 
diff --git a/ui/app/components/page-container/page-container-header/page-container-header.component.js b/ui/app/components/page-container/page-container-header/page-container-header.component.js
index 5a5de1e5a..338598e5f 100644
--- a/ui/app/components/page-container/page-container-header/page-container-header.component.js
+++ b/ui/app/components/page-container/page-container-header/page-container-header.component.js
@@ -1,8 +1,8 @@
 import React, { Component } from 'react'
 import PropTypes from 'prop-types'
+import classnames from 'classnames'
 
 export default class PageContainerHeader extends Component {
-
   static propTypes = {
     title: PropTypes.string,
     subtitle: PropTypes.string,
@@ -11,8 +11,18 @@ export default class PageContainerHeader extends Component {
     onBackButtonClick: PropTypes.func,
     backButtonStyles: PropTypes.object,
     backButtonString: PropTypes.string,
-    children: PropTypes.node,
-  };
+    tabs: PropTypes.node,
+  }
+
+  renderTabs () {
+    const { tabs } = this.props
+
+    return tabs && (
+      <ul className="page-container__tabs">
+        { tabs }
+      </ul>
+    )
+  }
 
   renderHeaderRow () {
     const { showBackButton, onBackButtonClick, backButtonStyles, backButtonString } = this.props
@@ -31,15 +41,18 @@ export default class PageContainerHeader extends Component {
   }
 
   render () {
-    const { title, subtitle, onClose, children } = this.props
+    const { title, subtitle, onClose, tabs } = this.props
 
     return (
-      <div className="page-container__header">
+      <div className={
+        classnames(
+          'page-container__header',
+          tabs && 'page-container__header--no-padding-bottom'
+        )
+      }>
 
         { this.renderHeaderRow() }
 
-        { children }
-
         {
           title && <div className="page-container__title">
             { title }
@@ -59,6 +72,7 @@ export default class PageContainerHeader extends Component {
           />
         }
 
+        { this.renderTabs() }
       </div>
     )
   }
diff --git a/ui/app/components/page-container/page-container.component.js b/ui/app/components/page-container/page-container.component.js
index 9bfb99ade..10923d2fd 100644
--- a/ui/app/components/page-container/page-container.component.js
+++ b/ui/app/components/page-container/page-container.component.js
@@ -5,26 +5,93 @@ import PageContainerHeader from './page-container-header'
 import PageContainerFooter from './page-container-footer'
 
 export default class PageContainer extends Component {
-
   static propTypes = {
     // PageContainerHeader props
-    title: PropTypes.string.isRequired,
-    subtitle: PropTypes.string,
+    backButtonString: PropTypes.string,
+    backButtonStyles: PropTypes.object,
+    onBackButtonClick: PropTypes.func,
     onClose: PropTypes.func,
     showBackButton: PropTypes.bool,
-    onBackButtonClick: PropTypes.func,
-    backButtonStyles: PropTypes.object,
-    backButtonString: PropTypes.string,
+    subtitle: PropTypes.string,
+    title: PropTypes.string.isRequired,
+    // Tabs-related props
+    defaultActiveTabIndex: PropTypes.number,
+    tabsComponent: PropTypes.node,
     // Content props
-    ContentComponent: PropTypes.func,
-    contentComponentProps: PropTypes.object,
+    contentComponent: PropTypes.node,
     // PageContainerFooter props
-    onCancel: PropTypes.func,
     cancelText: PropTypes.string,
+    disabled: PropTypes.bool,
+    onCancel: PropTypes.func,
     onSubmit: PropTypes.func,
     submitText: PropTypes.string,
-    disabled: PropTypes.bool,
-  };
+  }
+
+  state = {
+    activeTabIndex: 0,
+  }
+
+  componentDidMount () {
+    const { defaultActiveTabIndex } = this.props
+
+    if (defaultActiveTabIndex) {
+      this.setState({ activeTabIndex: defaultActiveTabIndex })
+    }
+  }
+
+  handleTabClick (tabIndex) {
+    const { activeTabIndex } = this.state
+
+    if (tabIndex !== activeTabIndex) {
+      this.setState({
+        activeTabIndex: tabIndex,
+      })
+    }
+  }
+
+  renderTabs () {
+    const { tabsComponent } = this.props
+
+    if (!tabsComponent) {
+      return
+    }
+
+    const numberOfTabs = React.Children.count(tabsComponent.props.children)
+
+    return React.Children.map(tabsComponent.props.children, (child, index) => {
+      return child && React.cloneElement(child, {
+        onClick: index => this.handleTabClick(index),
+        tabIndex: index,
+        isActive: numberOfTabs > 1 && index === this.state.activeTabIndex,
+        key: index,
+        className: 'page-container__tab',
+        activeClassName: 'page-container__tab--selected',
+      })
+    })
+  }
+
+  renderActiveTabContent () {
+    const { tabsComponent } = this.props
+    const { children } = tabsComponent.props
+    const { activeTabIndex } = this.state
+
+    return children[activeTabIndex]
+      ? children[activeTabIndex].props.children
+      : children.props.children
+  }
+
+  renderContent () {
+    const { contentComponent, tabsComponent } = this.props
+
+    switch (true) {
+      case Boolean(contentComponent):
+        return contentComponent
+      case Boolean(tabsComponent):
+        return this.renderActiveTabContent()
+      default:
+        return null
+    }
+  }
 
   render () {
     const {
@@ -35,8 +102,6 @@ export default class PageContainer extends Component {
       onBackButtonClick,
       backButtonStyles,
       backButtonString,
-      ContentComponent,
-      contentComponentProps,
       onCancel,
       cancelText,
       onSubmit,
@@ -54,9 +119,10 @@ export default class PageContainer extends Component {
           onBackButtonClick={onBackButtonClick}
           backButtonStyles={backButtonStyles}
           backButtonString={backButtonString}
+          tabs={this.renderTabs()}
         />
         <div className="page-container__content">
-          <ContentComponent { ...contentComponentProps } />
+          { this.renderContent() }
         </div>
         <PageContainerFooter
           onCancel={onCancel}
@@ -68,5 +134,4 @@ export default class PageContainer extends Component {
       </div>
     )
   }
-
 }