@wordpress/block-editor
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{
"version": 3,
"sources": ["../../src/hooks/layout-child.js"],
"sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useInstanceId } from '@wordpress/compose';\nimport { useSelect } from '@wordpress/data';\nimport { useState } from '@wordpress/element';\n\n/**\n * Internal dependencies\n */\nimport { store as blockEditorStore } from '../store';\nimport { useStyleOverride } from './utils';\nimport { useLayout } from '../components/block-list/layout';\nimport {\n\tGridVisualizer,\n\tGridItemResizer,\n\tGridItemMovers,\n} from '../components/grid';\n\n// Used for generating the instance ID\nconst LAYOUT_CHILD_BLOCK_PROPS_REFERENCE = {};\n\nfunction useBlockPropsChildLayoutStyles( { style } ) {\n\tconst shouldRenderChildLayoutStyles = useSelect( ( select ) => {\n\t\treturn ! select( blockEditorStore ).getSettings().disableLayoutStyles;\n\t} );\n\tconst layout = style?.layout ?? {};\n\tconst {\n\t\tselfStretch,\n\t\tflexSize,\n\t\tcolumnStart,\n\t\trowStart,\n\t\tcolumnSpan,\n\t\trowSpan,\n\t} = layout;\n\tconst parentLayout = useLayout() || {};\n\tconst { columnCount, minimumColumnWidth } = parentLayout;\n\tconst id = useInstanceId( LAYOUT_CHILD_BLOCK_PROPS_REFERENCE );\n\tconst selector = `.wp-container-content-${ id }`;\n\n\t// Check that the grid layout attributes are of the correct type, so that we don't accidentally\n\t// write code that stores a string attribute instead of a number.\n\tif ( process.env.NODE_ENV === 'development' ) {\n\t\tif ( columnStart && typeof columnStart !== 'number' ) {\n\t\t\tthrow new Error( 'columnStart must be a number' );\n\t\t}\n\t\tif ( rowStart && typeof rowStart !== 'number' ) {\n\t\t\tthrow new Error( 'rowStart must be a number' );\n\t\t}\n\t\tif ( columnSpan && typeof columnSpan !== 'number' ) {\n\t\t\tthrow new Error( 'columnSpan must be a number' );\n\t\t}\n\t\tif ( rowSpan && typeof rowSpan !== 'number' ) {\n\t\t\tthrow new Error( 'rowSpan must be a number' );\n\t\t}\n\t}\n\n\tlet css = '';\n\tif ( shouldRenderChildLayoutStyles ) {\n\t\tif ( selfStretch === 'fixed' && flexSize ) {\n\t\t\tcss = `${ selector } {\n\t\t\t\tflex-basis: ${ flexSize };\n\t\t\t\tbox-sizing: border-box;\n\t\t\t}`;\n\t\t} else if ( selfStretch === 'fill' ) {\n\t\t\tcss = `${ selector } {\n\t\t\t\tflex-grow: 1;\n\t\t\t}`;\n\t\t} else if ( columnStart && columnSpan ) {\n\t\t\tcss = `${ selector } {\n\t\t\t\tgrid-column: ${ columnStart } / span ${ columnSpan };\n\t\t\t}`;\n\t\t} else if ( columnStart ) {\n\t\t\tcss = `${ selector } {\n\t\t\t\tgrid-column: ${ columnStart };\n\t\t\t}`;\n\t\t} else if ( columnSpan ) {\n\t\t\tcss = `${ selector } {\n\t\t\t\tgrid-column: span ${ columnSpan };\n\t\t\t}`;\n\t\t}\n\t\tif ( rowStart && rowSpan ) {\n\t\t\tcss += `${ selector } {\n\t\t\t\tgrid-row: ${ rowStart } / span ${ rowSpan };\n\t\t\t}`;\n\t\t} else if ( rowStart ) {\n\t\t\tcss += `${ selector } {\n\t\t\t\tgrid-row: ${ rowStart };\n\t\t\t}`;\n\t\t} else if ( rowSpan ) {\n\t\t\tcss += `${ selector } {\n\t\t\t\tgrid-row: span ${ rowSpan };\n\t\t\t}`;\n\t\t}\n\t\t/**\n\t\t * If minimumColumnWidth is set on the parent, or if no\n\t\t * columnCount is set, the grid is responsive so a\n\t\t * container query is needed for the span to resize.\n\t\t */\n\t\tif (\n\t\t\t( columnSpan || columnStart ) &&\n\t\t\t( minimumColumnWidth || ! columnCount )\n\t\t) {\n\t\t\tlet parentColumnValue = parseFloat( minimumColumnWidth );\n\t\t\t/**\n\t\t\t * 12rem is the default minimumColumnWidth value.\n\t\t\t * If parentColumnValue is not a number, default to 12.\n\t\t\t */\n\t\t\tif ( isNaN( parentColumnValue ) ) {\n\t\t\t\tparentColumnValue = 12;\n\t\t\t}\n\n\t\t\tlet parentColumnUnit = minimumColumnWidth?.replace(\n\t\t\t\tparentColumnValue,\n\t\t\t\t''\n\t\t\t);\n\t\t\t/**\n\t\t\t * Check that parent column unit is either 'px', 'rem' or 'em'.\n\t\t\t * If not, default to 'rem'.\n\t\t\t */\n\t\t\tif ( ! [ 'px', 'rem', 'em' ].includes( parentColumnUnit ) ) {\n\t\t\t\tparentColumnUnit = 'rem';\n\t\t\t}\n\n\t\t\tlet numColsToBreakAt = 2;\n\n\t\t\tif ( columnSpan && columnStart ) {\n\t\t\t\tnumColsToBreakAt = columnSpan + columnStart - 1;\n\t\t\t} else if ( columnSpan ) {\n\t\t\t\tnumColsToBreakAt = columnSpan;\n\t\t\t} else {\n\t\t\t\tnumColsToBreakAt = columnStart;\n\t\t\t}\n\n\t\t\tconst defaultGapValue = parentColumnUnit === 'px' ? 24 : 1.5;\n\t\t\tconst containerQueryValue =\n\t\t\t\tnumColsToBreakAt * parentColumnValue +\n\t\t\t\t( numColsToBreakAt - 1 ) * defaultGapValue;\n\t\t\t// For blocks that only span one column, we want to remove any rowStart values as\n\t\t\t// the container reduces in size, so that blocks are still arranged in markup order.\n\t\t\tconst minimumContainerQueryValue =\n\t\t\t\tparentColumnValue * 2 + defaultGapValue - 1;\n\t\t\t// If a span is set we want to preserve it as long as possible, otherwise we just reset the value.\n\t\t\tconst gridColumnValue =\n\t\t\t\tcolumnSpan && columnSpan > 1 ? '1/-1' : 'auto';\n\n\t\t\tcss += `@container (max-width: ${ Math.max(\n\t\t\t\tcontainerQueryValue,\n\t\t\t\tminimumContainerQueryValue\n\t\t\t) }${ parentColumnUnit }) {\n\t\t\t\t${ selector } {\n\t\t\t\t\tgrid-column: ${ gridColumnValue };\n\t\t\t\t\tgrid-row: auto;\n\t\t\t\t}\n\t\t\t}`;\n\t\t}\n\t}\n\n\tuseStyleOverride( { css } );\n\n\t// Only attach a container class if there is generated CSS to be attached.\n\tif ( ! css ) {\n\t\treturn;\n\t}\n\n\t// Attach a `wp-container-content` id-based classname.\n\treturn { className: `wp-container-content-${ id }` };\n}\n\nfunction ChildLayoutControlsPure( { clientId, style, setAttributes } ) {\n\tconst parentLayout = useLayout() || {};\n\tconst {\n\t\ttype: parentLayoutType = 'default',\n\t\tallowSizingOnChildren = false,\n\t\tisManualPlacement,\n\t} = parentLayout;\n\n\tif ( parentLayoutType !== 'grid' ) {\n\t\treturn null;\n\t}\n\n\treturn (\n\t\t<GridTools\n\t\t\tclientId={ clientId }\n\t\t\tstyle={ style }\n\t\t\tsetAttributes={ setAttributes }\n\t\t\tallowSizingOnChildren={ allowSizingOnChildren }\n\t\t\tisManualPlacement={ isManualPlacement }\n\t\t\tparentLayout={ parentLayout }\n\t\t/>\n\t);\n}\n\nfunction GridTools( {\n\tclientId,\n\tstyle,\n\tsetAttributes,\n\tallowSizingOnChildren,\n\tisManualPlacement,\n\tparentLayout,\n} ) {\n\tconst { rootClientId, isVisible } = useSelect(\n\t\t( select ) => {\n\t\t\tconst {\n\t\t\t\tgetBlockRootClientId,\n\t\t\t\tgetBlockEditingMode,\n\t\t\t\tgetTemplateLock,\n\t\t\t} = select( blockEditorStore );\n\n\t\t\tconst _rootClientId = getBlockRootClientId( clientId );\n\n\t\t\tif (\n\t\t\t\tgetTemplateLock( _rootClientId ) ||\n\t\t\t\tgetBlockEditingMode( _rootClientId ) !== 'default'\n\t\t\t) {\n\t\t\t\treturn {\n\t\t\t\t\trootClientId: _rootClientId,\n\t\t\t\t\tisVisible: false,\n\t\t\t\t};\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\trootClientId: _rootClientId,\n\t\t\t\tisVisible: true,\n\t\t\t};\n\t\t},\n\t\t[ clientId ]\n\t);\n\n\t// Use useState() instead of useRef() so that GridItemResizer updates when ref is set.\n\tconst [ resizerBounds, setResizerBounds ] = useState();\n\n\tif ( ! isVisible ) {\n\t\treturn null;\n\t}\n\n\tfunction updateLayout( layout ) {\n\t\tsetAttributes( {\n\t\t\tstyle: {\n\t\t\t\t...style,\n\t\t\t\tlayout: {\n\t\t\t\t\t...style?.layout,\n\t\t\t\t\t...layout,\n\t\t\t\t},\n\t\t\t},\n\t\t} );\n\t}\n\n\treturn (\n\t\t<>\n\t\t\t<GridVisualizer\n\t\t\t\tclientId={ rootClientId }\n\t\t\t\tcontentRef={ setResizerBounds }\n\t\t\t\tparentLayout={ parentLayout }\n\t\t\t/>\n\t\t\t{ allowSizingOnChildren && (\n\t\t\t\t<GridItemResizer\n\t\t\t\t\tclientId={ clientId }\n\t\t\t\t\t// Don't allow resizing beyond the grid visualizer.\n\t\t\t\t\tbounds={ resizerBounds }\n\t\t\t\t\tonChange={ updateLayout }\n\t\t\t\t\tparentLayout={ parentLayout }\n\t\t\t\t/>\n\t\t\t) }\n\t\t\t{ isManualPlacement &&\n\t\t\t\twindow.__experimentalEnableGridInteractivity && (\n\t\t\t\t\t<GridItemMovers\n\t\t\t\t\t\tlayout={ style?.layout }\n\t\t\t\t\t\tparentLayout={ parentLayout }\n\t\t\t\t\t\tonChange={ updateLayout }\n\t\t\t\t\t\tgridClientId={ rootClientId }\n\t\t\t\t\t\tblockClientId={ clientId }\n\t\t\t\t\t/>\n\t\t\t\t) }\n\t\t</>\n\t);\n}\n\nexport default {\n\tuseBlockProps: useBlockPropsChildLayoutStyles,\n\tedit: ChildLayoutControlsPure,\n\tattributeKeys: [ 'style' ],\n\thasSupport() {\n\t\treturn true;\n\t},\n};\n"],
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