Place privacy dropdown menu top if it is closer to the bottom of the viewport (#7106)

This commit is contained in:
ThibG 2018-04-11 20:42:50 +02:00 committed by Eugen Rochko
parent 6c2344d4dd
commit 47cb9587b7

View file

@ -32,6 +32,10 @@ class PrivacyDropdownMenu extends React.PureComponent {
onChange: PropTypes.func.isRequired, onChange: PropTypes.func.isRequired,
}; };
state = {
mounted: false,
};
handleDocumentClick = e => { handleDocumentClick = e => {
if (this.node && !this.node.contains(e.target)) { if (this.node && !this.node.contains(e.target)) {
this.props.onClose(); this.props.onClose();
@ -54,6 +58,7 @@ class PrivacyDropdownMenu extends React.PureComponent {
componentDidMount () { componentDidMount () {
document.addEventListener('click', this.handleDocumentClick, false); document.addEventListener('click', this.handleDocumentClick, false);
document.addEventListener('touchend', this.handleDocumentClick, listenerOptions); document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
this.setState({ mounted: true });
} }
componentWillUnmount () { componentWillUnmount () {
@ -66,12 +71,16 @@ class PrivacyDropdownMenu extends React.PureComponent {
} }
render () { render () {
const { mounted } = this.state;
const { style, items, value } = this.props; const { style, items, value } = this.props;
return ( return (
<Motion defaultStyle={{ opacity: 0, scaleX: 0.85, scaleY: 0.75 }} style={{ opacity: spring(1, { damping: 35, stiffness: 400 }), scaleX: spring(1, { damping: 35, stiffness: 400 }), scaleY: spring(1, { damping: 35, stiffness: 400 }) }}> <Motion defaultStyle={{ opacity: 0, scaleX: 0.85, scaleY: 0.75 }} style={{ opacity: spring(1, { damping: 35, stiffness: 400 }), scaleX: spring(1, { damping: 35, stiffness: 400 }), scaleY: spring(1, { damping: 35, stiffness: 400 }) }}>
{({ opacity, scaleX, scaleY }) => ( {({ opacity, scaleX, scaleY }) => (
<div className='privacy-dropdown__dropdown' style={{ ...style, opacity: opacity, transform: `scale(${scaleX}, ${scaleY})` }} ref={this.setRef}> // It should not be transformed when mounting because the resulting
// size will be used to determine the coordinate of the menu by
// react-overlays
<div className='privacy-dropdown__dropdown' style={{ ...style, opacity: opacity, transform: mounted ? `scale(${scaleX}, ${scaleY})` : null }} ref={this.setRef}>
{items.map(item => ( {items.map(item => (
<div role='button' tabIndex='0' key={item.value} data-index={item.value} onKeyDown={this.handleClick} onClick={this.handleClick} className={classNames('privacy-dropdown__option', { active: item.value === value })}> <div role='button' tabIndex='0' key={item.value} data-index={item.value} onKeyDown={this.handleClick} onClick={this.handleClick} className={classNames('privacy-dropdown__option', { active: item.value === value })}>
<div className='privacy-dropdown__option__icon'> <div className='privacy-dropdown__option__icon'>
@ -107,9 +116,10 @@ export default class PrivacyDropdown extends React.PureComponent {
state = { state = {
open: false, open: false,
placement: null,
}; };
handleToggle = () => { handleToggle = ({ target }) => {
if (this.props.isUserTouching()) { if (this.props.isUserTouching()) {
if (this.state.open) { if (this.state.open) {
this.props.onModalClose(); this.props.onModalClose();
@ -120,6 +130,8 @@ export default class PrivacyDropdown extends React.PureComponent {
}); });
} }
} else { } else {
const { top } = target.getBoundingClientRect();
this.setState({ placement: top * 2 < innerHeight ? 'bottom' : 'top' });
this.setState({ open: !this.state.open }); this.setState({ open: !this.state.open });
} }
} }
@ -136,7 +148,7 @@ export default class PrivacyDropdown extends React.PureComponent {
handleKeyDown = e => { handleKeyDown = e => {
switch(e.key) { switch(e.key) {
case 'Enter': case 'Enter':
this.handleToggle(); this.handleToggle(e);
break; break;
case 'Escape': case 'Escape':
this.handleClose(); this.handleClose();
@ -165,7 +177,7 @@ export default class PrivacyDropdown extends React.PureComponent {
render () { render () {
const { value, intl } = this.props; const { value, intl } = this.props;
const { open } = this.state; const { open, placement } = this.state;
const valueOption = this.options.find(item => item.value === value); const valueOption = this.options.find(item => item.value === value);
@ -185,7 +197,7 @@ export default class PrivacyDropdown extends React.PureComponent {
/> />
</div> </div>
<Overlay show={open} placement='bottom' target={this}> <Overlay show={open} placement={placement} target={this}>
<PrivacyDropdownMenu <PrivacyDropdownMenu
items={this.options} items={this.options}
value={value} value={value}