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/**
* JavaScript code for the "Import Screen" component.
*
* @package TablePress
* @subpackage Import Screen
* @author Tobias Bäthge
* @since 2.2.0
*/
/* globals tp */
/**
* WordPress dependencies.
*/
import { useEffect, useRef, useState } from 'react';
import { __, _n, _x, sprintf } from '@wordpress/i18n';
// Details for the available import sources.
const importSources = {
'file-upload': {
label: __( 'File Upload', 'tablepress' ),
instruction: __( 'Select files', 'tablepress' ),
},
url: {
label: __( 'URL', 'tablepress' ),
instruction: __( 'File URL', 'tablepress' ),
},
server: {
label: __( 'File on server', 'tablepress' ),
instruction: __( 'Server Path to file', 'tablepress' ),
},
'form-field': {
label: __( 'Manual Input', 'tablepress' ),
instruction: __( 'Import data', 'tablepress' ),
},
};
if ( ! tp.import.showImportSourceServer ) {
delete importSources.server;
}
// Number of tables.
const tablesCount = Object.keys( tp.import.tables ).length;
// The <option> entries for the dropdown do not depend on the state, so they can be created once.
const tablesSelectOptions = Object.entries( tp.import.tables ).map( ( [ tableId, tableName ] ) => {
if ( '' === tableName.trim() ) {
tableName = __( '(no name)', 'tablepress' );
}
const optionText = sprintf( __( 'ID %1$s: %2$s', 'tablepress' ), tableId, tableName );
return <option key={ tableId } value={ tableId }>{ optionText }</option>;
} );
/**
* Returns the "Import Screen" component's JSX markup.
*
* @return {Object} Import Screen component.
*/
const ImportScreen = () => {
const [ screenData, setScreenData ] = useState( {
importSource: tp.import.importSource,
importType: tp.import.importType,
importFileUpload: [],
importUrl: tp.import.importUrl,
importServer: tp.import.importServer,
importFormField: tp.import.importFormField,
importExistingTable: tp.import.importExistingTable,
validationHighlighting: false,
} );
/**
* Handles screen data state changes.
*
* @param {string} item Configuration item name.
* @param {string|null} value Value for configuration item.
*/
const updateScreenData = ( item, value ) => {
const newScreenData = {
...screenData,
validationHighlighting: false, // Reset with every UI state change.
[ item ]: value,
};
setScreenData( newScreenData );
};
// References to DOM elements.
const importServerInput = useRef( null );
const appendReplaceDropdown = useRef( null );
const fileUploadDropzone = useRef( null );
// Initialize the jSuites dropdown when the component is mounted.
useEffect( () => {
jSuites.dropdown( appendReplaceDropdown.current, {
autocomplete: true,
placeholder: __( '— Select or type —', 'tablepress' ),
onchange: ( element, index, oldValue, newValue ) => {
// Directly update the state with an updater function, as the state is otherwise reset.
setScreenData( ( newScreenData ) => ( {
...newScreenData,
validationHighlighting: false,
importExistingTable: newValue,
} ) );
},
} );
}, [] );
// Update the validation highlighting (using APIs and DOM elements outside of the React components) when the state changes.
useEffect( () => {
document.getElementById( 'tablepress_import-import-form' ).classList.toggle( 'no-validation-highlighting', ! screenData.validationHighlighting );
if ( ! screenData.validationHighlighting ) {
importServerInput.current?.setCustomValidity( '' );
appendReplaceDropdown.current.previousElementSibling.querySelector( '.jdropdown-header' )?.setCustomValidity( '' );
}
}, [ screenData.validationHighlighting ] );
// Determine calculated state variables to avoid repeating calculations.
const fileUploadMultipleFilesChosen = (
'file-upload' === screenData.importSource
&& (
1 < screenData.importFileUpload.length
|| (
1 === screenData.importFileUpload.length
&& screenData.importFileUpload[0].name.endsWith( '.zip' )
)
)
);
const appendReplaceDropdownDisabled = (
0 === tablesCount
|| 'add' === screenData.importType
|| fileUploadMultipleFilesChosen
);
// Disable the artificial dropdown (not inserted by React) via a class, as it can not use :disabled.
useEffect( () => {
appendReplaceDropdown.current.previousElementSibling.classList.toggle( 'disabled', appendReplaceDropdownDisabled );
}, [ appendReplaceDropdownDisabled ] );
return (
<table className="tablepress-postbox-table fixed">
<tbody>
<tr>
<th className="column-1" scope="row" id="import-source-header">
{ __( 'Import Source', 'tablepress' ) }:
</th>
<td className="column-2">
{
Object.entries( importSources ) .map( ( [ importSource, importSourceData ] ) => (
<label
key={ importSource }
htmlFor={ `tables-import-source-${ importSource }` }
>
<input
name="import[source]"
id={ `tables-import-source-${ importSource }` }
type="radio"
aria-labelledby="import-source-header"
value={ importSource }
checked={ importSource === screenData.importSource }
onChange={ ( event ) => updateScreenData( 'importSource', event.target.value ) }
/> { importSourceData.label }
</label>
) )
}
</td>
</tr>
<tr className="top-border bottom-border">
<th className="column-1 top-align" scope="row">
<label htmlFor={ `tables-import-${ screenData.importSource }` }>
{ importSources[ screenData.importSource ].instruction }:
</label>
</th>
<td className="column-2">
{
/*
* Always add the "File Upload" UI to the DOM, but hide it using `style="display: none;"` below.
* This ensures that the <input type="file"> field works, as that is "uncontrolled" in React, and setting its value (files) is not possible.
*/
}
<div
className="file-upload-area"
style={ {
display: ( 'file-upload' === screenData.importSource ) ? 'block' : 'none',
} }
>
<input
name="import_file_upload[]"
id="tables-import-file-upload"
type="file"
multiple
required={ 'file-upload' === screenData.importSource }
onChange={ ( event ) => ( event.target.files && updateScreenData( 'importFileUpload', event.target.files ) ) }
onDragEnter={ () => fileUploadDropzone.current.classList.add( 'dragover' ) }
onDragLeave={ () => fileUploadDropzone.current.classList.remove( 'dragover' ) }
/>
<div
ref={ fileUploadDropzone }
className="dropzone"
>
<span>
{ 0 === screenData.importFileUpload.length && __( 'Click to select files, or drag them here.', 'tablepress' ) }
{ 0 < screenData.importFileUpload.length && sprintf( _n( 'You have selected %1$d file:', 'You have selected %1$d files:', screenData.importFileUpload.length, 'tablepress' ), screenData.importFileUpload.length ) }
</span>
{
[ ...screenData.importFileUpload ].map( ( file ) =>
<span key={ file.name }>{ file.name }</span>
)
}
</div>
</div>
{ 'url' === screenData.importSource &&
<input
type="url"
name="import[url]"
id="tables-import-url"
className="large-text code"
required={ true }
value={ screenData.importUrl }
onChange={ ( event ) => updateScreenData( 'importUrl', event.target.value ) }
/>
}
{ tp.import.showImportSourceServer && 'server' === screenData.importSource &&
<input
ref={ importServerInput }
type="text"
name="import[server]"
id="tables-import-server"
className="large-text code"
required={ true }
value={ screenData.importServer }
onChange={ ( event ) => updateScreenData( 'importServer', event.target.value ) }
/>
}
{ 'form-field' === screenData.importSource &&
<textarea
name="import[form-field]"
id="tables-import-form-field"
rows="15"
cols="40"
className="large-text code"
required={ true }
value={ screenData.importFormField }
onChange={ ( event ) => updateScreenData( 'importFormField', event.target.value ) }
/>
}
{ tp.import.zipSupportAvailable && 'form-field' !== screenData.importSource &&
<span className="description">
{ __( 'You can also import multiple tables by placing them in a ZIP file.', 'tablepress' ) }
</span>
}
</td>
</tr>
<tr className="top-border">
<th className="column-1" scope="row" id="import-type-header">
{ __( 'Add, Replace, or Append?', 'tablepress' ) }:
</th>
<td className="column-2">
<label htmlFor="tables-import-type-add">
<input
name="import[type]"
id="tables-import-type-add"
type="radio"
aria-labelledby="import-type-header"
value="add"
checked={ 'add' === screenData.importType || 0 === tablesCount }
onChange={ ( event ) => updateScreenData( 'importType', event.target.value ) }
/> { __( 'Add as new table', 'tablepress' ) }
</label>
<label htmlFor="tables-import-type-replace">
<input
name="import[type]"
id="tables-import-type-replace"
type="radio"
aria-labelledby="import-type-header"
value="replace"
disabled={ 0 === tablesCount }
checked={ 'replace' === screenData.importType }
onChange={ ( event ) => updateScreenData( 'importType', event.target.value ) }
/> { __( 'Replace existing table', 'tablepress' ) }
</label>
<label htmlFor="tables-import-type-append">
<input
name="import[type]"
id="tables-import-type-append"
type="radio"
aria-labelledby="import-type-header"
value="append"
disabled={ 0 === tablesCount }
checked={ 'append' === screenData.importType }
onChange={ ( event ) => updateScreenData( 'importType', event.target.value ) }
/> { __( 'Append rows to existing table', 'tablepress' ) }
</label>
</td>
</tr>
<tr className="top-border bottom-border">
<th className="column-1" scope="row">
<label htmlFor="tables-import-existing-table">
{ __( 'Table to replace or append to', 'tablepress' ) }:
</label>
</th>
<td className="column-2">
<select
ref={ appendReplaceDropdown }
id="tables-import-existing-table"
name="import[existing_table]"
disabled={ appendReplaceDropdownDisabled }
value={ screenData.importExistingTable }
>
<option value="">
{
' ' // Use a space as an empty string will be printed as ` ` by jSuites.
}
</option>
{ tablesSelectOptions }
</select>
</td>
</tr>
<tr className="top-border">
<td className="column-1"></td>
<td className="column-2">
<input
type="hidden"
name="import[legacy_import]"
value={ tp.import.legacyImport }
/>
<input
type="submit"
value={ _x( 'Import', 'button', 'tablepress' ) }
className="button button-primary button-large"
id="import-submit-button"
onClick={ () => {
// Show validation :invalid CSS pseudo-selector highlighting.
updateScreenData( 'validationHighlighting', true );
// When importing from the server, the value must have been changed from the default (normally ABSPATH).
if ( 'server' === screenData.importSource && tp.import.importServer === screenData.importServer ) {
importServerInput.current.setCustomValidity( __( 'You must specify a path to a file on the server.', 'tablepress' ) );
}
// If the table selection dropdown for replace or append is enabled, a table must be selected.
if ( ! appendReplaceDropdownDisabled && '' === screenData.importExistingTable ) {
// Use the jSuites dropdown input field, as the actual <select> is hidden.
appendReplaceDropdown.current.previousElementSibling.querySelector( '.jdropdown-header' ).setCustomValidity( __( 'You must select a table.', 'tablepress' ) );
}
} }
/>
</td>
</tr>
</tbody>
</table>
);
};
export default ImportScreen;