Merge pull request #1230 from 0xProject/feature/instant/dropdown-ui

[instant] Dropdown Component Skeleton

7 files changed, 162 insertions, 36 deletions

diff --git a/packages/instant/src/components/ui/circle.tsx b/packages/instant/src/components/ui/circle.tsx
index 26764ec71..4f9f56f12 100644
--- a/packages/instant/src/components/ui/circle.tsx
+++ b/packages/instant/src/components/ui/circle.tsx
@@ -1,24 +1,27 @@
-import { styled } from '../../style/theme';
+import { ColorOption, styled, Theme, withTheme } from '../../style/theme';
 
 export interface CircleProps {
     diameter: number;
-    fillColor?: string;
+    rawColor?: string;
+    color?: ColorOption;
+    theme: Theme;
 }
 
-export const Circle =
+export const Circle = withTheme(
     styled.div <
-    CircleProps >
-    `
+        CircleProps >
+        `
     && {
         width: ${props => props.diameter}px;
         height: ${props => props.diameter}px;
-        background-color: ${props => props.fillColor};
+        background-color: ${props => (props.rawColor ? props.rawColor : props.theme[props.color || ColorOption.white])};
         border-radius: 50%;
     }
-`;
+`,
+);
 
 Circle.displayName = 'Circle';
 
 Circle.defaultProps = {
-    fillColor: 'white',
+    color: ColorOption.white,
 };
diff --git a/packages/instant/src/components/ui/container.tsx b/packages/instant/src/components/ui/container.tsx
index c42082ed5..8aa5db9e5 100644
--- a/packages/instant/src/components/ui/container.tsx
+++ b/packages/instant/src/components/ui/container.tsx
@@ -34,6 +34,7 @@ export interface ContainerProps {
     cursor?: string;
     overflow?: string;
     darkenOnHover?: boolean;
+    boxShadowOnHover?: boolean;
     flexGrow?: string | number;
 }
 
@@ -42,7 +43,6 @@ export const Container =
     ContainerProps >
     `
     && {
-        all: initial;
         box-sizing: border-box;
         ${props => cssRuleIfExists(props, 'flex-grow')}
         ${props => cssRuleIfExists(props, 'position')}
@@ -79,6 +79,7 @@ export const Container =
                           props.backgroundColor ? darken(0.05, props.theme[props.backgroundColor]) : 'none'
                       }`
                     : ''};
+            ${props => (props.boxShadowOnHover ? 'box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1)' : '')};
         }
     }
 `;
diff --git a/packages/instant/src/components/ui/dropdown.tsx b/packages/instant/src/components/ui/dropdown.tsx
new file mode 100644
index 000000000..3a23f456d
--- /dev/null
+++ b/packages/instant/src/components/ui/dropdown.tsx
@@ -0,0 +1,134 @@
+import * as _ from 'lodash';
+import * as React from 'react';
+
+import { ColorOption, completelyTransparent } from '../../style/theme';
+import { zIndex } from '../../style/z_index';
+
+import { Container } from './container';
+import { Flex } from './flex';
+import { Icon } from './icon';
+import { Overlay } from './overlay';
+import { Text } from './text';
+
+export interface DropdownItemConfig {
+    text: string;
+    onClick?: () => void;
+}
+
+export interface DropdownProps {
+    value: string;
+    label?: string;
+    items: DropdownItemConfig[];
+}
+
+export interface DropdownState {
+    isOpen: boolean;
+}
+
+export class Dropdown extends React.Component<DropdownProps, DropdownState> {
+    public static defaultProps = {
+        items: [],
+    };
+    public state: DropdownState = {
+        isOpen: false,
+    };
+    public render(): React.ReactNode {
+        const { value, label, items } = this.props;
+        const { isOpen } = this.state;
+        const hasItems = !_.isEmpty(items);
+        const borderRadius = isOpen ? '4px 4px 0px 0px' : '4px';
+        return (
+            <React.Fragment>
+                {isOpen && (
+                    <Overlay
+                        zIndex={zIndex.dropdownItems - 1}
+                        backgroundColor={completelyTransparent}
+                        onClick={this._closeDropdown}
+                    />
+                )}
+                <Container position="relative">
+                    <Container
+                        cursor={hasItems ? 'pointer' : undefined}
+                        onClick={this._handleDropdownClick}
+                        hasBoxShadow={isOpen}
+                        boxShadowOnHover={true}
+                        borderRadius={borderRadius}
+                        border="1px solid"
+                        borderColor={ColorOption.feintGrey}
+                        padding="0.8em"
+                    >
+                        <Flex justify="space-between">
+                            <Text fontSize="16px" fontColor={ColorOption.darkGrey}>
+                                {value}
+                            </Text>
+                            <Container>
+                                {label && (
+                                    <Text fontSize="16px" fontColor={ColorOption.lightGrey}>
+                                        {label}
+                                    </Text>
+                                )}
+                                {hasItems && (
+                                    <Container marginLeft="5px" display="inline-block" position="relative" bottom="2px">
+                                        <Icon padding="3px" icon="chevron" width={12} stroke={ColorOption.grey} />
+                                    </Container>
+                                )}
+                            </Container>
+                        </Flex>
+                    </Container>
+                    {isOpen && (
+                        <Container
+                            width="100%"
+                            position="absolute"
+                            onClick={this._closeDropdown}
+                            backgroundColor={ColorOption.white}
+                            hasBoxShadow={true}
+                            zIndex={zIndex.dropdownItems}
+                        >
+                            {_.map(items, (item, index) => (
+                                <DropdownItem key={item.text} {...item} isLast={index === items.length - 1} />
+                            ))}
+                        </Container>
+                    )}
+                </Container>
+            </React.Fragment>
+        );
+    }
+    private readonly _handleDropdownClick = (): void => {
+        if (_.isEmpty(this.props.items)) {
+            return;
+        }
+        this.setState({
+            isOpen: !this.state.isOpen,
+        });
+    };
+    private readonly _closeDropdown = (): void => {
+        this.setState({
+            isOpen: false,
+        });
+    };
+}
+
+export interface DropdownItemProps extends DropdownItemConfig {
+    text: string;
+    onClick?: () => void;
+    isLast: boolean;
+}
+
+export const DropdownItem: React.StatelessComponent<DropdownItemProps> = ({ text, onClick, isLast }) => (
+    <Container
+        onClick={onClick}
+        cursor="pointer"
+        darkenOnHover={true}
+        backgroundColor={ColorOption.white}
+        padding="0.8em"
+        borderTop="0"
+        border="1px solid"
+        borderRadius={isLast ? '0px 0px 4px 4px' : undefined}
+        width="100%"
+        borderColor={ColorOption.feintGrey}
+    >
+        <Text fontSize="14px" fontColor={ColorOption.darkGrey}>
+            {text}
+        </Text>
+    </Container>
+);
diff --git a/packages/instant/src/components/ui/flex.tsx b/packages/instant/src/components/ui/flex.tsx
index 5b00138b8..274c46b9e 100644
--- a/packages/instant/src/components/ui/flex.tsx
+++ b/packages/instant/src/components/ui/flex.tsx
@@ -19,7 +19,6 @@ export const Flex =
     FlexProps >
     `
     && {
-        all: initial;
         display: ${props => (props.inline ? 'inline-flex' : 'flex')};
         flex-direction: ${props => props.direction};
         flex-wrap: ${props => props.flexWrap};
diff --git a/packages/instant/src/components/ui/icon.tsx b/packages/instant/src/components/ui/icon.tsx
index 2679dad1a..a88fa87dd 100644
--- a/packages/instant/src/components/ui/icon.tsx
+++ b/packages/instant/src/components/ui/icon.tsx
@@ -9,7 +9,6 @@ interface IconInfo {
     path: string;
     fillRule?: svgRule;
     clipRule?: svgRule;
-    stroke?: string;
     strokeOpacity?: number;
     strokeWidth?: number;
     strokeLinecap?: 'butt' | 'round' | 'square' | 'inherit';
@@ -47,7 +46,6 @@ const ICONS: IconInfoMapping = {
     chevron: {
         viewBox: '0 0 12 7',
         path: 'M11 1L6 6L1 1',
-        stroke: 'white',
         strokeOpacity: 0.5,
         strokeWidth: 1.5,
         strokeLinecap: 'round',
@@ -67,6 +65,7 @@ export interface IconProps {
     width: number;
     height?: number;
     color?: ColorOption;
+    stroke?: ColorOption;
     icon: keyof IconInfoMapping;
     onClick?: (event: React.MouseEvent<HTMLElement>) => void;
     padding?: string;
@@ -75,6 +74,7 @@ export interface IconProps {
 const PlainIcon: React.StatelessComponent<IconProps> = props => {
     const iconInfo = ICONS[props.icon];
     const colorValue = _.isUndefined(props.color) ? undefined : props.theme[props.color];
+    const strokeValue = _.isUndefined(props.stroke) ? undefined : props.theme[props.stroke];
     return (
         <div onClick={props.onClick} className={props.className}>
             <svg
@@ -89,7 +89,7 @@ const PlainIcon: React.StatelessComponent<IconProps> = props => {
                     fill={colorValue}
                     fillRule={iconInfo.fillRule || 'nonzero'}
                     clipRule={iconInfo.clipRule || 'nonzero'}
-                    stroke={iconInfo.stroke}
+                    stroke={strokeValue}
                     strokeOpacity={iconInfo.strokeOpacity}
                     strokeWidth={iconInfo.strokeWidth}
                     strokeLinecap={iconInfo.strokeLinecap}
@@ -102,7 +102,8 @@ const PlainIcon: React.StatelessComponent<IconProps> = props => {
 
 export const Icon = withTheme(styled(PlainIcon)`
     && {
-        cursor: ${props => (!_.isUndefined(props.onClick) ? 'pointer' : 'default')};
+        display: inline-block;
+        ${props => (!_.isUndefined(props.onClick) ? 'cursor: pointer' : '')};
         transition: opacity 0.5s ease;
         padding: ${props => props.padding};
         opacity: ${props => (!_.isUndefined(props.onClick) ? 0.7 : 1)};
diff --git a/packages/instant/src/components/ui/overlay.tsx b/packages/instant/src/components/ui/overlay.tsx
index 8c9572615..c5f55f9c0 100644
--- a/packages/instant/src/components/ui/overlay.tsx
+++ b/packages/instant/src/components/ui/overlay.tsx
@@ -1,29 +1,17 @@
 import * as _ from 'lodash';
-import * as React from 'react';
 
-import { ColorOption, overlayBlack, styled } from '../../style/theme';
-
-import { Container } from './container';
-import { Flex } from './flex';
-import { Icon } from './icon';
+import { overlayBlack, styled } from '../../style/theme';
+import { zIndex } from '../../style/z_index';
 
 export interface OverlayProps {
-    className?: string;
-    onClose?: () => void;
     zIndex?: number;
+    backgroundColor?: string;
 }
 
-const PlainOverlay: React.StatelessComponent<OverlayProps> = ({ children, className, onClose }) => (
-    <Flex height="100vh" className={className}>
-        <Container position="absolute" top="0px" right="0px" display={{ default: 'initial', sm: 'none' }}>
-            <Icon height={18} width={18} color={ColorOption.white} icon="closeX" onClick={onClose} padding="2em 2em" />
-        </Container>
-        <Container width={{ default: 'auto', sm: '100%' }} height={{ default: 'auto', sm: '100%' }}>
-            {children}
-        </Container>
-    </Flex>
-);
-export const Overlay = styled(PlainOverlay)`
+export const Overlay =
+    styled.div <
+    OverlayProps >
+    `
     && {
         position: fixed;
         top: 0;
@@ -31,12 +19,13 @@ export const Overlay = styled(PlainOverlay)`
         bottom: 0;
         left: 0;
         z-index: ${props => props.zIndex}
-        background-color: ${overlayBlack};
+        background-color: ${props => props.backgroundColor};
     }
 `;
 
 Overlay.defaultProps = {
-    zIndex: 100,
+    zIndex: zIndex.overlayDefault,
+    backgroundColor: overlayBlack,
 };
 
 Overlay.displayName = 'Overlay';
diff --git a/packages/instant/src/components/ui/text.tsx b/packages/instant/src/components/ui/text.tsx
index c6a76ff18..4fe429d25 100644
--- a/packages/instant/src/components/ui/text.tsx
+++ b/packages/instant/src/components/ui/text.tsx
@@ -28,7 +28,6 @@ export const Text =
     TextProps >
     `
     && {
-        all: initial;
         font-family: 'Inter UI', sans-serif;
         font-style: ${props => props.fontStyle};
         font-weight: ${props => props.fontWeight};