| 1 |
import React, { useRef, useState, useEffect } from 'react'; |
| 2 |
import { styled } from '@linaria/react'; |
| 3 |
import { |
| 4 |
CALYPSO, |
| 5 |
CALYPSO_LIGHT, |
| 6 |
CALYPSO_MEDIUM, |
| 7 |
OBSIDIAN, |
| 8 |
} from '../UIComponents/colors'; |
| 9 |
import UISpinner from '../UIComponents/UISpinner'; |
| 10 |
import LoadState, { LoadStateType } from '../enums/loadState'; |
| 11 |
|
| 12 |
const Container = styled.div` |
| 13 |
color: ${OBSIDIAN}; |
| 14 |
font-family: 'Lexend Deca', Helvetica, Arial, sans-serif; |
| 15 |
font-size: 14px; |
| 16 |
position: relative; |
| 17 |
`; |
| 18 |
|
| 19 |
interface IControlContainerProps { |
| 20 |
focused: boolean; |
| 21 |
} |
| 22 |
|
| 23 |
const ControlContainer = styled.div<IControlContainerProps>` |
| 24 |
align-items: center; |
| 25 |
background-color: hsl(0, 0%, 100%); |
| 26 |
border-color: hsl(0, 0%, 80%); |
| 27 |
border-radius: 4px; |
| 28 |
border-style: solid; |
| 29 |
border-width: ${props => (props.focused ? '0' : '1px')}; |
| 30 |
cursor: default; |
| 31 |
display: flex; |
| 32 |
flex-wrap: wrap; |
| 33 |
justify-content: space-between; |
| 34 |
min-height: 38px; |
| 35 |
outline: 0 !important; |
| 36 |
position: relative; |
| 37 |
transition: all 100ms; |
| 38 |
box-sizing: border-box; |
| 39 |
box-shadow: ${props => |
| 40 |
props.focused ? `0 0 0 2px ${CALYPSO_MEDIUM}` : 'none'}; |
| 41 |
&:hover { |
| 42 |
border-color: hsl(0, 0%, 70%); |
| 43 |
} |
| 44 |
`; |
| 45 |
|
| 46 |
const ValueContainer = styled.div` |
| 47 |
align-items: center; |
| 48 |
display: flex; |
| 49 |
flex: 1; |
| 50 |
flex-wrap: wrap; |
| 51 |
padding: 2px 8px; |
| 52 |
position: relative; |
| 53 |
overflow: hidden; |
| 54 |
box-sizing: border-box; |
| 55 |
`; |
| 56 |
|
| 57 |
const Placeholder = styled.div` |
| 58 |
color: hsl(0, 0%, 50%); |
| 59 |
margin-left: 2px; |
| 60 |
margin-right: 2px; |
| 61 |
position: absolute; |
| 62 |
top: 50%; |
| 63 |
transform: translateY(-50%); |
| 64 |
box-sizing: border-box; |
| 65 |
font-size: 16px; |
| 66 |
`; |
| 67 |
|
| 68 |
const SingleValue = styled.div` |
| 69 |
color: hsl(0, 0%, 20%); |
| 70 |
margin-left: 2px; |
| 71 |
margin-right: 2px; |
| 72 |
max-width: calc(100% - 8px); |
| 73 |
overflow: hidden; |
| 74 |
position: absolute; |
| 75 |
text-overflow: ellipsis; |
| 76 |
white-space: nowrap; |
| 77 |
top: 50%; |
| 78 |
transform: translateY(-50%); |
| 79 |
box-sizing: border-box; |
| 80 |
`; |
| 81 |
|
| 82 |
const IndicatorContainer = styled.div` |
| 83 |
align-items: center; |
| 84 |
align-self: stretch; |
| 85 |
display: flex; |
| 86 |
flex-shrink: 0; |
| 87 |
box-sizing: border-box; |
| 88 |
`; |
| 89 |
|
| 90 |
const DropdownIndicator = styled.div` |
| 91 |
border-top: 8px solid ${CALYPSO}; |
| 92 |
border-left: 6px solid transparent; |
| 93 |
border-right: 6px solid transparent; |
| 94 |
width: 0px; |
| 95 |
height: 0px; |
| 96 |
margin: 10px; |
| 97 |
`; |
| 98 |
|
| 99 |
const InputContainer = styled.div` |
| 100 |
margin: 2px; |
| 101 |
padding-bottom: 2px; |
| 102 |
padding-top: 2px; |
| 103 |
visibility: visible; |
| 104 |
color: hsl(0, 0%, 20%); |
| 105 |
box-sizing: border-box; |
| 106 |
`; |
| 107 |
|
| 108 |
const Input = styled.input` |
| 109 |
box-sizing: content-box; |
| 110 |
background: rgba(0, 0, 0, 0) none repeat scroll 0px center; |
| 111 |
border: 0px none; |
| 112 |
font-size: inherit; |
| 113 |
opacity: 1; |
| 114 |
outline: currentcolor none 0px; |
| 115 |
padding: 0px; |
| 116 |
color: inherit; |
| 117 |
font-family: inherit; |
| 118 |
`; |
| 119 |
|
| 120 |
const InputShadow = styled.div` |
| 121 |
position: absolute; |
| 122 |
opacity: 0; |
| 123 |
font-size: inherit; |
| 124 |
`; |
| 125 |
|
| 126 |
const MenuContainer = styled.div` |
| 127 |
position: absolute; |
| 128 |
top: 100%; |
| 129 |
background-color: #fff; |
| 130 |
border-radius: 4px; |
| 131 |
margin-bottom: 8px; |
| 132 |
margin-top: 8px; |
| 133 |
z-index: 9999; |
| 134 |
box-shadow: 0 0 0 1px hsla(0, 0%, 0%, 0.1), 0 4px 11px hsla(0, 0%, 0%, 0.1); |
| 135 |
width: 100%; |
| 136 |
`; |
| 137 |
|
| 138 |
const MenuList = styled.div` |
| 139 |
max-height: 300px; |
| 140 |
overflow-y: auto; |
| 141 |
padding-bottom: 4px; |
| 142 |
padding-top: 4px; |
| 143 |
position: relative; |
| 144 |
`; |
| 145 |
|
| 146 |
const MenuGroup = styled.div` |
| 147 |
padding-bottom: 8px; |
| 148 |
padding-top: 8px; |
| 149 |
`; |
| 150 |
|
| 151 |
const MenuGroupHeader = styled.div` |
| 152 |
color: #999; |
| 153 |
cursor: default; |
| 154 |
font-size: 75%; |
| 155 |
font-weight: 500; |
| 156 |
margin-bottom: 0.25em; |
| 157 |
text-transform: uppercase; |
| 158 |
padding-left: 12px; |
| 159 |
padding-left: 12px; |
| 160 |
`; |
| 161 |
|
| 162 |
interface IMenuItemProps { |
| 163 |
selected: boolean; |
| 164 |
} |
| 165 |
|
| 166 |
const MenuItem = styled.div<IMenuItemProps>` |
| 167 |
display: block; |
| 168 |
background-color: ${props => |
| 169 |
props.selected ? CALYPSO_MEDIUM : 'transparent'}; |
| 170 |
color: ${props => (props.selected ? '#fff' : 'inherit')}; |
| 171 |
cursor: default; |
| 172 |
font-size: inherit; |
| 173 |
width: 100%; |
| 174 |
padding: 8px 12px; |
| 175 |
&:hover { |
| 176 |
background-color: ${props => |
| 177 |
props.selected ? CALYPSO_MEDIUM : CALYPSO_LIGHT}; |
| 178 |
} |
| 179 |
`; |
| 180 |
|
| 181 |
interface IAsyncSelectProps { |
| 182 |
placeholder: string; |
| 183 |
value: any; |
| 184 |
loadOptions?: Function; |
| 185 |
defaultOptions?: any[]; |
| 186 |
onChange: Function; |
| 187 |
} |
| 188 |
|
| 189 |
export default function AsyncSelect({ |
| 190 |
placeholder, |
| 191 |
value, |
| 192 |
loadOptions, |
| 193 |
onChange, |
| 194 |
defaultOptions, |
| 195 |
}: IAsyncSelectProps) { |
| 196 |
const inputEl = useRef<HTMLInputElement>(null); |
| 197 |
const inputShadowEl = useRef<HTMLDivElement>(null); |
| 198 |
const [isFocused, setFocus] = useState(false); |
| 199 |
const [loadState, setLoadState] = useState<LoadStateType>( |
| 200 |
LoadState.NotLoaded |
| 201 |
); |
| 202 |
const [localValue, setLocalValue] = useState(''); |
| 203 |
const [options, setOptions] = useState(defaultOptions); |
| 204 |
|
| 205 |
const inputSize = `${ |
| 206 |
inputShadowEl.current ? inputShadowEl.current.clientWidth + 10 : 2 |
| 207 |
}px`; |
| 208 |
|
| 209 |
useEffect(() => { |
| 210 |
if (loadOptions && loadState === LoadState.NotLoaded) { |
| 211 |
loadOptions('', (result: any) => { |
| 212 |
setOptions(result); |
| 213 |
setLoadState(LoadState.Idle); |
| 214 |
}); |
| 215 |
} |
| 216 |
}, [loadOptions, loadState]); |
| 217 |
|
| 218 |
const renderItems = (items: any[] = [], parentKey?: number) => { |
| 219 |
return items.map((item, index) => { |
| 220 |
if (item.options) { |
| 221 |
return ( |
| 222 |
<MenuGroup key={`async-select-item-${index}`}> |
| 223 |
<MenuGroupHeader id={`${index}-heading`}> |
| 224 |
{item.label} |
| 225 |
</MenuGroupHeader> |
| 226 |
<div>{renderItems(item.options, index)}</div> |
| 227 |
</MenuGroup> |
| 228 |
); |
| 229 |
} else { |
| 230 |
const key = `async-select-item-${ |
| 231 |
parentKey !== undefined ? `${parentKey}-${index}` : index |
| 232 |
}`; |
| 233 |
return ( |
| 234 |
<MenuItem |
| 235 |
key={key} |
| 236 |
id={key} |
| 237 |
selected={value && item.value === value.value} |
| 238 |
onClick={() => { |
| 239 |
onChange(item); |
| 240 |
setFocus(false); |
| 241 |
}} |
| 242 |
> |
| 243 |
{item.label} |
| 244 |
</MenuItem> |
| 245 |
); |
| 246 |
} |
| 247 |
}); |
| 248 |
}; |
| 249 |
|
| 250 |
return ( |
| 251 |
<Container> |
| 252 |
<ControlContainer |
| 253 |
id="leadin-async-selector" |
| 254 |
focused={isFocused} |
| 255 |
onClick={() => { |
| 256 |
if (isFocused) { |
| 257 |
if (inputEl.current) { |
| 258 |
inputEl.current.blur(); |
| 259 |
} |
| 260 |
setFocus(false); |
| 261 |
setLocalValue(''); |
| 262 |
} else { |
| 263 |
if (inputEl.current) { |
| 264 |
inputEl.current.focus(); |
| 265 |
} |
| 266 |
setFocus(true); |
| 267 |
} |
| 268 |
}} |
| 269 |
> |
| 270 |
<ValueContainer> |
| 271 |
{localValue === '' && |
| 272 |
(!value ? ( |
| 273 |
<Placeholder>{placeholder}</Placeholder> |
| 274 |
) : ( |
| 275 |
<SingleValue>{value.label}</SingleValue> |
| 276 |
))} |
| 277 |
<InputContainer> |
| 278 |
<Input |
| 279 |
ref={inputEl} |
| 280 |
onFocus={() => { |
| 281 |
setFocus(true); |
| 282 |
}} |
| 283 |
onChange={e => { |
| 284 |
setLocalValue(e.target.value); |
| 285 |
setLoadState(LoadState.Loading); |
| 286 |
loadOptions && |
| 287 |
loadOptions(e.target.value, (result: any) => { |
| 288 |
setOptions(result); |
| 289 |
setLoadState(LoadState.Idle); |
| 290 |
}); |
| 291 |
}} |
| 292 |
value={localValue} |
| 293 |
width={inputSize} |
| 294 |
id="asycn-select-input" |
| 295 |
/> |
| 296 |
<InputShadow ref={inputShadowEl}>{localValue}</InputShadow> |
| 297 |
</InputContainer> |
| 298 |
</ValueContainer> |
| 299 |
<IndicatorContainer> |
| 300 |
{loadState === LoadState.Loading && <UISpinner />} |
| 301 |
<DropdownIndicator /> |
| 302 |
</IndicatorContainer> |
| 303 |
</ControlContainer> |
| 304 |
{isFocused && ( |
| 305 |
<MenuContainer> |
| 306 |
<MenuList>{renderItems(options)}</MenuList> |
| 307 |
</MenuContainer> |
| 308 |
)} |
| 309 |
</Container> |
| 310 |
); |
| 311 |
} |
| 312 |
|
