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Detect Inserter bounds collision by generic Popover component #1193
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| /** | ||
| * External dependencies | ||
| */ | ||
| import classnames from 'classnames'; | ||
| import { isEqual, includes } from 'lodash'; | ||
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|
||
| /** | ||
| * WordPress dependencies | ||
| */ | ||
| import { Component } from 'element'; | ||
|
|
||
| /** | ||
| * Internal dependencies | ||
| */ | ||
| import './style.scss'; | ||
|
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| class Popover extends Component { | ||
| constructor() { | ||
| super( ...arguments ); | ||
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| this.bindNode = this.bindNode.bind( this ); | ||
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| this.state = { | ||
| forcedPositions: {}, | ||
| }; | ||
| } | ||
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| componentDidMount() { | ||
| this.setForcedPositions(); | ||
| } | ||
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| componentWillReceiveProps( nextProps ) { | ||
| if ( this.props.position !== nextProps.position ) { | ||
| this.setState( { forcedPositions: {} } ); | ||
| } | ||
| } | ||
|
|
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| componentDidUpdate( prevProps ) { | ||
| if ( this.props.position !== prevProps.position ) { | ||
| this.setForcedPositions(); | ||
| } | ||
| } | ||
|
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| setForcedPositions() { | ||
| const rect = this.node.getBoundingClientRect(); | ||
| const { forcedPositions } = this.state; | ||
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| const nextForcedPositions = {}; | ||
|
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| // Check exceeding top or bottom of viewport | ||
| if ( rect.top < 0 ) { | ||
| nextForcedPositions.bottom = true; | ||
| } else if ( rect.bottom > window.innerHeight ) { | ||
| nextForcedPositions.top = true; | ||
| } | ||
|
|
||
| // Check exceeding left or right of viewport | ||
| if ( rect.left < 0 ) { | ||
| nextForcedPositions.right = true; | ||
| } else if ( rect.right > window.innerWidth ) { | ||
| nextForcedPositions.left = true; | ||
| } | ||
|
|
||
| if ( ! isEqual( nextForcedPositions, forcedPositions ) ) { | ||
| this.setState( { | ||
| forcedPositions: nextForcedPositions, | ||
| } ); | ||
| } | ||
| } | ||
|
|
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| bindNode( node ) { | ||
| this.node = node; | ||
| } | ||
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| render() { | ||
| const { position, children, className } = this.props; | ||
| const positions = position.split( ' ' ); | ||
| const { forcedPositions } = this.state; | ||
|
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||
| const classes = classnames( | ||
| 'components-popover', | ||
| className, | ||
| ...[ [ 'top', 'bottom' ], [ 'center', 'left', 'right' ] ].map( ( directions ) => { | ||
| // Consider first of directions set as the default | ||
| const defaultDirection = directions[ 0 ]; | ||
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| // Prefer the forced direction, but allow direction from props | ||
| // otherwise. Use default if neither forced nor prop value. | ||
| const direction = directions.reduce( ( result, dir ) => ( | ||
| forcedPositions[ dir ] || ( ! result && includes( positions, dir ) ) | ||
| ? dir | ||
| : result | ||
| ), null ) || defaultDirection; | ||
|
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| return 'is-' + direction; | ||
| } ) | ||
| ); | ||
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| return ( | ||
| <div | ||
| ref={ this.bindNode } | ||
| className={ classes } | ||
| tabIndex="0"> | ||
| { children } | ||
| </div> | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| export default Popover; | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| .components-popover { | ||
| box-shadow: $shadow-popover; | ||
| border: 1px solid $light-gray-500; | ||
| position: absolute; | ||
| background: $white; | ||
| z-index: z-index( ".components-popover" ); | ||
| left: 0; | ||
| right: 0; | ||
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| @include break-medium { | ||
| width: 280px; | ||
| left: -122px; | ||
| right: auto; | ||
| height: auto; | ||
| } | ||
|
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| &:before { | ||
| border: 10px dashed $light-gray-500; | ||
| display: none; | ||
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| @include break-medium { | ||
| display: block; | ||
| } | ||
| } | ||
|
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| &:after { | ||
| border: 10px solid $white; | ||
| } | ||
|
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| &:before, | ||
| &:after { | ||
| content: ""; | ||
| position: absolute; | ||
| left: 50%; | ||
| margin-left: -10px; | ||
| height: 0; | ||
| width: 0; | ||
| border-left-color: transparent; | ||
| border-right-color: transparent; | ||
| line-height: 0; | ||
| } | ||
|
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| &.is-top { | ||
| bottom: 42px; | ||
|
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| &:before { | ||
| bottom: -10px; | ||
| } | ||
|
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| &:after { | ||
| bottom: -8px; | ||
| } | ||
|
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| &:before, | ||
| &:after { | ||
| border-top-style: solid; | ||
| border-bottom: none; | ||
| } | ||
| } | ||
|
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| &.is-bottom { | ||
| top: $admin-bar-height-big + $item-spacing -1px; | ||
|
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| @include break-medium { | ||
| top: $admin-bar-height + $item-spacing; | ||
| } | ||
|
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| &:before { | ||
| top: -10px; | ||
| } | ||
|
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| &:after { | ||
| top: -8px; | ||
| } | ||
|
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| &:before, | ||
| &:after { | ||
| border-bottom-style: solid; | ||
| border-top: none; | ||
| } | ||
| } | ||
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| &.is-right { | ||
| left: -32px; | ||
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| &:before, | ||
| &:after { | ||
| left: 49px; | ||
| } | ||
| } | ||
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| &.is-left { | ||
| left: auto; | ||
| right: -42px; | ||
|
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| &:before, | ||
| &:after { | ||
| left: auto; | ||
| right: 49px; | ||
| } | ||
| } | ||
| } |
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I think if we store forced positions like this
{ forceYAxis: 'top', forceXAxis: 'left' }we could simplify the logic here and avoid some loops.