slate/components/core/SearchDropdown.js

202 lines
5.3 KiB
JavaScript
Raw Normal View History

import * as React from "react";
import * as Constants from "~/common/constants";
import * as SVG from "~/common/svg";
import { css } from "@emotion/react";
const STYLES_DROPDOWN_CONTAINER = css`
box-sizing: border-box;
z-index: ${Constants.zindex.modal};
`;
const STYLES_DROPDOWN = css`
box-sizing: border-box;
position: absolute;
display: flex;
flex-direction: column;
background-color: ${Constants.system.white};
overflow: hidden;
width: 100%;
2020-08-31 00:02:34 +03:00
scrollbar-width: none;
2020-09-01 07:44:56 +03:00
padding-bottom: 24px;
2020-08-31 00:02:34 +03:00
::-webkit-scrollbar {
display: none;
}
`;
const STYLES_DROPDOWN_ITEM = css`
box-sizing: border-box;
padding: 8px;
font-size: 0.8em;
border-radius: 16px;
border: 1px solid ${Constants.system.white};
cursor: pointer;
:hover {
border-color: ${Constants.system.border} !important;
}
`;
const STYLES_INPUT = css`
font-family: ${Constants.font.text};
-webkit-appearance: none;
width: 100%;
height: 40px;
background: ${Constants.system.foreground};
color: ${Constants.system.black};
display: flex;
font-size: 14px;
align-items: center;
justify-content: flex-start;
outline: 0;
border: 0;
box-sizing: border-box;
transition: 200ms ease all;
padding: 0 24px 0 48px;
text-overflow: ellipsis;
white-space: nowrap;
border-radius: 12px;
margin-bottom: 16px;
::placeholder {
/* Chrome, Firefox, Opera, Safari 10.1+ */
color: ${Constants.system.black};
opacity: 1; /* Firefox */
}
:-ms-input-placeholder {
/* Internet Explorer 10-11 */
color: ${Constants.system.black};
}
::-ms-input-placeholder {
/* Microsoft Edge */
color: ${Constants.system.black};
}
`;
export class SearchDropdown extends React.Component {
_input;
_optionRoot;
static defaultProps = {
defaultResults: [],
};
state = {
selectedIndex: -1,
};
componentDidMount = () => {
window.addEventListener("keydown", this._handleDocumentKeydown);
this._input.focus();
};
componentWillUnmount = () => {
window.removeEventListener("keydown", this._handleDocumentKeydown);
};
_handleChange = (e) => {
if (this.state.selectedIndex !== -1) {
this.setState({ selectedIndex: -1 });
}
this.props.onChange(e);
};
_handleSelect = (index) => {
this.props.onSelect(this.props.results[index].value);
};
_handleDocumentKeydown = (e) => {
if (e.keyCode === 27) {
this._handleDelete();
e.preventDefault();
} else if (e.keyCode === 9) {
this._handleDelete();
} else if (e.keyCode === 40) {
if (this.state.selectedIndex < this.props.results.length - 1) {
let listElem = this._optionRoot.children[this.state.selectedIndex + 1];
let elemRect = listElem.getBoundingClientRect();
let rootRect = this._optionRoot.getBoundingClientRect();
if (elemRect.bottom > rootRect.bottom) {
this._optionRoot.scrollTop =
listElem.offsetTop +
listElem.offsetHeight -
this._optionRoot.offsetHeight;
}
this.setState({ selectedIndex: this.state.selectedIndex + 1 });
}
e.preventDefault();
} else if (e.keyCode === 38) {
if (this.state.selectedIndex > 0) {
let listElem = this._optionRoot.children[this.state.selectedIndex - 1];
let elemRect = listElem.getBoundingClientRect();
let rootRect = this._optionRoot.getBoundingClientRect();
if (elemRect.top < rootRect.top) {
this._optionRoot.scrollTop = listElem.offsetTop;
}
this.setState({ selectedIndex: this.state.selectedIndex - 1 });
}
e.preventDefault();
} else if (e.keyCode === 13) {
if (
this.props.results.length > this.state.selectedIndex &&
this.state.selectedIndex !== -1
) {
this._handleSelect(this.state.selectedIndex);
}
e.preventDefault();
}
};
render() {
return (
<div css={STYLES_DROPDOWN_CONTAINER} style={this.props.containerStyle}>
<div style={{ position: "relative" }}>
<input
css={STYLES_INPUT}
value={this.props.inputValue}
placeholder={this.props.placeholder}
style={this.props.inputStyle}
onChange={this._handleChange}
ref={(c) => {
this._input = c;
}}
/>
<SVG.Search
height="20px"
style={{ position: "absolute", left: "12px", top: "10px" }}
/>
</div>
2020-09-01 07:44:56 +03:00
<div
data-menu
ref={(c) => {
this._optionRoot = c;
}}
css={STYLES_DROPDOWN}
style={this.props.style}
>
{(this.props.results && this.props.results.length
? this.props.results
: this.props.defaultResults
).map((each, i) => (
<div
key={each.value.data.id}
css={STYLES_DROPDOWN_ITEM}
style={{
borderColor:
this.state.selectedIndex === i
? Constants.system.border
: Constants.system.white,
...this.props.itemStyle,
}}
onClick={() => this.props.onSelect(each.value)}
>
{each.component}
</div>
))}
</div>
</div>
);
}
}