many-items.js
| 1 | ( function () { |
| 2 | let menuSelector, nonceInput; |
| 3 | const initializedTables = new Set(); |
| 4 | |
| 5 | const methods = { |
| 6 | init: function ( table ) { |
| 7 | let tbody = table.lastElementChild; |
| 8 | while ( tbody && tbody.tagName !== 'TBODY' ) { |
| 9 | tbody = tbody.previousElementSibling; |
| 10 | } |
| 11 | const row = tbody.querySelector( 'tr:first-child' ).cloneNode( true ); |
| 12 | |
| 13 | table.dataset.form = table.closest( 'form' ); |
| 14 | table.dataset.tbody = tbody; |
| 15 | table.dataset.row = row; |
| 16 | table.dataset.currentRow = row; |
| 17 | |
| 18 | menuSelector = document.getElementById( 'nova-menu-tax' ); |
| 19 | nonceInput = document.getElementById( '_wpnonce' ); |
| 20 | |
| 21 | table.addEventListener( 'keypress', function ( event ) { |
| 22 | if ( event.which !== 13 ) return; |
| 23 | |
| 24 | event.preventDefault(); |
| 25 | if ( typeof FormData === 'function' ) { |
| 26 | methods.submitRow.call( table ); |
| 27 | } |
| 28 | methods.addRow.call( table ); |
| 29 | } ); |
| 30 | |
| 31 | table.addEventListener( 'focusin', function ( event ) { |
| 32 | if ( event.target.tagName === 'INPUT' || event.target.tagName === 'TEXTAREA' ) { |
| 33 | table.dataset.currentRow = event.target.closest( 'tr' ); |
| 34 | } |
| 35 | } ); |
| 36 | |
| 37 | initializedTables.add( table ); |
| 38 | return table; |
| 39 | }, |
| 40 | |
| 41 | destroy: function ( table ) { |
| 42 | if ( this.observer ) { |
| 43 | this.observer.disconnect(); |
| 44 | } |
| 45 | table.removeEventListener( 'keypress', methods.keypressHandler ); |
| 46 | table.removeEventListener( 'focusin', methods.focusinHandler ); |
| 47 | initializedTables.delete( table ); |
| 48 | return table; |
| 49 | }, |
| 50 | |
| 51 | submitRow: function ( table ) { |
| 52 | const submittedRow = table.dataset.currentRow; |
| 53 | const currentInputs = submittedRow.querySelectorAll( 'input, textarea, select' ); |
| 54 | const form = document.querySelector( table.dataset.form ); |
| 55 | const allInputs = Array.from( form.querySelectorAll( 'input, textarea, select' ) ); |
| 56 | |
| 57 | currentInputs.forEach( input => ( input.disabled = true ) ); |
| 58 | allInputs |
| 59 | .filter( input => ! currentInputs.includes( input ) ) |
| 60 | .forEach( input => ( input.disabled = true ) ); |
| 61 | |
| 62 | const partialFormData = new FormData( form ); |
| 63 | partialFormData.append( 'ajax', '1' ); |
| 64 | partialFormData.append( 'nova_menu_tax', menuSelector.value ); |
| 65 | partialFormData.append( '_wpnonce', nonceInput.value ); |
| 66 | |
| 67 | fetch( '', { |
| 68 | method: 'POST', |
| 69 | body: partialFormData, |
| 70 | } ) |
| 71 | .then( response => response.text() ) |
| 72 | .then( responseText => { |
| 73 | submittedRow.innerHTML = responseText; |
| 74 | } ); |
| 75 | |
| 76 | allInputs.forEach( input => ( input.disabled = false ) ); |
| 77 | |
| 78 | return table; |
| 79 | }, |
| 80 | |
| 81 | addRow: function ( table ) { |
| 82 | const row = table.dataset.row.cloneNode( true ); |
| 83 | |
| 84 | const tbody = table.dataset.tbody; |
| 85 | tbody.appendChild( row ); |
| 86 | |
| 87 | const firstInput = row.querySelector( 'input, textarea, select' ); |
| 88 | if ( firstInput ) firstInput.focus(); |
| 89 | |
| 90 | return table; |
| 91 | }, |
| 92 | |
| 93 | clickAddRow: function ( table ) { |
| 94 | let tbody = table.lastElementChild; |
| 95 | |
| 96 | while ( tbody && tbody.tagName !== 'TBODY' ) { |
| 97 | tbody = tbody.previousElementSibling; |
| 98 | } |
| 99 | const row = tbody.querySelector( 'tr:first-child' ).cloneNode( true ); |
| 100 | |
| 101 | row.querySelectorAll( 'input, textarea' ).forEach( input => { |
| 102 | input.value = ''; |
| 103 | } ); |
| 104 | |
| 105 | tbody.appendChild( row ); |
| 106 | }, |
| 107 | }; |
| 108 | |
| 109 | const observeTableRemoval = function ( list ) { |
| 110 | const observer = new MutationObserver( mutations => { |
| 111 | mutations.forEach( mutation => { |
| 112 | mutation.removedNodes.forEach( node => { |
| 113 | if ( node.matches && node.matches( '.many-items-table' ) ) { |
| 114 | methods.destroy( node ); |
| 115 | } |
| 116 | } ); |
| 117 | } ); |
| 118 | } ); |
| 119 | |
| 120 | observer.observe( list, { childList: true, subtree: true } ); |
| 121 | }; |
| 122 | |
| 123 | // Initialization for many-items-table |
| 124 | document.addEventListener( 'focusin', event => { |
| 125 | const table = event.target.closest( '.many-items-table' ); |
| 126 | if ( table && ! initializedTables.has( table ) ) { |
| 127 | methods.init( table ); |
| 128 | } |
| 129 | } ); |
| 130 | |
| 131 | document.addEventListener( 'click', event => { |
| 132 | if ( event.target.matches( 'a.nova-new-row' ) ) { |
| 133 | const table = event.target.closest( '.many-items-table' ); |
| 134 | if ( table ) { |
| 135 | event.preventDefault(); |
| 136 | methods.clickAddRow( table ); |
| 137 | } |
| 138 | } |
| 139 | } ); |
| 140 | const list = document.querySelector( '#the-list' ); // Scope to the specific table |
| 141 | if ( list ) { |
| 142 | observeTableRemoval( list ); |
| 143 | } |
| 144 | } )(); |
| 145 |