| 1 |
/** |
| 2 |
* Builder Material Handler |
| 3 |
* Handles material upload and management for lesson popup in course builder. |
| 4 |
* Pure JavaScript implementation with optimizations |
| 5 |
* |
| 6 |
* @since 4.3.0 |
| 7 |
* @version 1.0.0 |
| 8 |
*/ |
| 9 |
|
| 10 |
export class BuilderMaterial { |
| 11 |
constructor( container = null ) { |
| 12 |
this.container = container; |
| 13 |
this.initialized = false; |
| 14 |
this.eventsBound = false; |
| 15 |
this.sortable = null; |
| 16 |
|
| 17 |
// Store references for cleanup |
| 18 |
this.boundHandlers = { |
| 19 |
handleAddMaterial: null, |
| 20 |
handleChange: null, |
| 21 |
handleClick: null, |
| 22 |
handleSaveAll: null, |
| 23 |
handleDelete: null, |
| 24 |
handleDragStart: null, |
| 25 |
handleDragOver: null, |
| 26 |
handleDrop: null, |
| 27 |
handleDragEnd: null, |
| 28 |
}; |
| 29 |
|
| 30 |
// Cache DOM elements |
| 31 |
this.elements = {}; |
| 32 |
|
| 33 |
if ( this.container ) { |
| 34 |
this.init(); |
| 35 |
} |
| 36 |
} |
| 37 |
|
| 38 |
/** |
| 39 |
* Reinitialize with new container (called from BuilderPopup) |
| 40 |
*/ |
| 41 |
reinit( container ) { |
| 42 |
if ( this.initialized ) { |
| 43 |
this.destroy(); |
| 44 |
} |
| 45 |
|
| 46 |
this.container = container; |
| 47 |
|
| 48 |
if ( this.container ) { |
| 49 |
this.init(); |
| 50 |
} |
| 51 |
} |
| 52 |
|
| 53 |
/** |
| 54 |
* Cache all DOM elements for better performance |
| 55 |
*/ |
| 56 |
cacheElements() { |
| 57 |
const el = this.elements; |
| 58 |
|
| 59 |
el.postId = this.container.querySelector( '#current-material-post-id' ); |
| 60 |
el.maxFileSize = this.container.querySelector( '#material-max-file-size' ); |
| 61 |
el.uploadField = this.container.querySelector( '.lp-material--field-upload' ); |
| 62 |
el.canUpload = this.container.querySelector( '#available-to-upload' ); |
| 63 |
el.addBtn = this.container.querySelector( '#btn-lp--add-material' ); |
| 64 |
el.groupTemplate = this.container.querySelector( '#lp-material--add-material-template' ); |
| 65 |
el.groupContainer = this.container.querySelector( '#lp-material--group-container' ); |
| 66 |
el.materialTab = this.container.querySelector( '#lp-material-container' ) || this.container; |
| 67 |
el.saveBtn = this.container.querySelector( '#btn-lp--save-material' ); |
| 68 |
el.uploadTemplate = this.container.querySelector( '#lp-material--upload-field-template' ); |
| 69 |
el.externalTemplate = this.container.querySelector( '#lp-material--external-field-template' ); |
| 70 |
el.deleteText = this.container.querySelector( '#delete-material-row-text' ); |
| 71 |
el.deleteMessage = this.container.querySelector( '#delete-material-message' ); |
| 72 |
el.materialTable = this.container.querySelector( '.lp-material--table' ); |
| 73 |
el.tbody = el.materialTable?.querySelector( 'tbody' ); |
| 74 |
el.thead = el.materialTable?.querySelector( 'thead' ); |
| 75 |
} |
| 76 |
|
| 77 |
init() { |
| 78 |
if ( ! this.container ) return; |
| 79 |
|
| 80 |
// Cache all elements |
| 81 |
this.cacheElements(); |
| 82 |
|
| 83 |
const { postId, materialTab } = this.elements; |
| 84 |
|
| 85 |
// Validate required elements |
| 86 |
if ( ! postId || ! materialTab ) return; |
| 87 |
|
| 88 |
// Store config values |
| 89 |
this.postID = postId.value; |
| 90 |
this.maxFileSize = this.elements.maxFileSize?.value || 10; |
| 91 |
this.acceptFile = this.elements.uploadField |
| 92 |
? this.elements.uploadField |
| 93 |
.getAttribute( 'accept' ) |
| 94 |
?.split( ',' ) |
| 95 |
.map( ( s ) => s.trim() ) || [] |
| 96 |
: []; |
| 97 |
|
| 98 |
// Load existing materials |
| 99 |
this.loadMaterials(); |
| 100 |
|
| 101 |
// Bind events |
| 102 |
this.bindEvents(); |
| 103 |
|
| 104 |
// Initialize native drag & drop sortable |
| 105 |
this.initSortable(); |
| 106 |
|
| 107 |
this.initialized = true; |
| 108 |
} |
| 109 |
|
| 110 |
/** |
| 111 |
* Load materials from API with better error handling |
| 112 |
*/ |
| 113 |
async loadMaterials() { |
| 114 |
const { materialTab, tbody } = this.elements; |
| 115 |
|
| 116 |
if ( ! materialTab || ! this.postID || ! tbody ) return; |
| 117 |
|
| 118 |
try { |
| 119 |
const restUrl = this.getRestUrl(); |
| 120 |
const url = `${ restUrl }lp/v1/material/item-materials/${ this.postID }`; |
| 121 |
|
| 122 |
const response = await fetch( url, { |
| 123 |
method: 'GET', |
| 124 |
headers: { |
| 125 |
'X-WP-Nonce': this.getNonce(), |
| 126 |
'Content-Type': 'application/json', |
| 127 |
}, |
| 128 |
} ); |
| 129 |
|
| 130 |
if ( ! response.ok ) { |
| 131 |
throw new Error( `HTTP error! status: ${ response.status }` ); |
| 132 |
} |
| 133 |
|
| 134 |
const result = await response.json(); |
| 135 |
const { data, status } = result; |
| 136 |
|
| 137 |
if ( status !== 'success' ) { |
| 138 |
console.error( result.message ); |
| 139 |
return; |
| 140 |
} |
| 141 |
|
| 142 |
if ( data?.items?.length > 0 ) { |
| 143 |
// Remove skeleton loader |
| 144 |
const skeleton = materialTab.querySelector( '.lp-skeleton-animation' ); |
| 145 |
skeleton?.remove(); |
| 146 |
|
| 147 |
// Use DocumentFragment for better performance |
| 148 |
const fragment = document.createDocumentFragment(); |
| 149 |
data.items.forEach( ( item ) => { |
| 150 |
const row = this.createRow( item ); |
| 151 |
fragment.appendChild( row ); |
| 152 |
} ); |
| 153 |
tbody.appendChild( fragment ); |
| 154 |
|
| 155 |
// Reinit sortable after loading data |
| 156 |
this.initSortable(); |
| 157 |
} |
| 158 |
} catch ( error ) { |
| 159 |
console.error( 'Load materials error:', error.message ); |
| 160 |
} |
| 161 |
} |
| 162 |
|
| 163 |
/** |
| 164 |
* Create a table row element (more efficient than insertAdjacentHTML) |
| 165 |
*/ |
| 166 |
createRow( data ) { |
| 167 |
const tr = document.createElement( 'tr' ); |
| 168 |
tr.dataset.id = data.file_id; |
| 169 |
tr.dataset.sort = data.orders; |
| 170 |
tr.draggable = true; |
| 171 |
|
| 172 |
const deleteBtnText = this.elements.deleteText?.value || 'Delete'; |
| 173 |
|
| 174 |
tr.innerHTML = ` |
| 175 |
<td class="sort"> |
| 176 |
<span class="dashicons dashicons-menu"></span> ${ this.escapeHtml( data.file_name ) } |
| 177 |
</td> |
| 178 |
<td>${ this.capitalizeFirstChar( data.method ) }</td> |
| 179 |
<td> |
| 180 |
<a href="javascript:void(0)" class="delete-material-row" data-id="${ data.file_id }"> |
| 181 |
${ deleteBtnText } |
| 182 |
</a> |
| 183 |
</td> |
| 184 |
`; |
| 185 |
|
| 186 |
return tr; |
| 187 |
} |
| 188 |
|
| 189 |
/** |
| 190 |
* Escape HTML to prevent XSS |
| 191 |
*/ |
| 192 |
escapeHtml( text ) { |
| 193 |
const div = document.createElement( 'div' ); |
| 194 |
div.textContent = text; |
| 195 |
return div.innerHTML; |
| 196 |
} |
| 197 |
|
| 198 |
capitalizeFirstChar( str ) { |
| 199 |
return str.charAt( 0 ).toUpperCase() + str.substring( 1 ); |
| 200 |
} |
| 201 |
|
| 202 |
/** |
| 203 |
* Bind all events with delegation for better performance |
| 204 |
*/ |
| 205 |
bindEvents() { |
| 206 |
if ( this.eventsBound ) return; |
| 207 |
|
| 208 |
const { addBtn, materialTab, saveBtn } = this.elements; |
| 209 |
|
| 210 |
// Create bound handlers for later removal |
| 211 |
this.boundHandlers.handleAddMaterial = () => this.handleAddMaterial(); |
| 212 |
this.boundHandlers.handleChange = ( e ) => this.handleChange( e ); |
| 213 |
this.boundHandlers.handleClick = ( e ) => this.handleClick( e ); |
| 214 |
this.boundHandlers.handleSaveAll = () => this.handleSaveAll(); |
| 215 |
this.boundHandlers.handleDelete = ( e ) => this.handleDelete( e ); |
| 216 |
|
| 217 |
// Add material button |
| 218 |
addBtn?.addEventListener( 'click', this.boundHandlers.handleAddMaterial ); |
| 219 |
|
| 220 |
// Use event delegation on materialTab |
| 221 |
if ( materialTab ) { |
| 222 |
materialTab.addEventListener( 'change', this.boundHandlers.handleChange ); |
| 223 |
materialTab.addEventListener( 'click', this.boundHandlers.handleClick ); |
| 224 |
} |
| 225 |
|
| 226 |
// Save all button |
| 227 |
saveBtn?.addEventListener( 'click', this.boundHandlers.handleSaveAll ); |
| 228 |
|
| 229 |
// Delete material (use event delegation on container) |
| 230 |
this.container.addEventListener( 'click', this.boundHandlers.handleDelete ); |
| 231 |
|
| 232 |
this.eventsBound = true; |
| 233 |
} |
| 234 |
|
| 235 |
/** |
| 236 |
* Handle add material button click |
| 237 |
*/ |
| 238 |
handleAddMaterial() { |
| 239 |
const { addBtn, groupContainer, groupTemplate } = this.elements; |
| 240 |
|
| 241 |
if ( ! addBtn || ! groupContainer || ! groupTemplate ) return; |
| 242 |
|
| 243 |
const canUploadData = parseInt( addBtn.getAttribute( 'can-upload' ) ) || 0; |
| 244 |
const groups = groupContainer.querySelectorAll( '.lp-material--group' ).length; |
| 245 |
|
| 246 |
if ( groups >= canUploadData ) return; |
| 247 |
|
| 248 |
groupContainer.insertAdjacentHTML( 'afterbegin', groupTemplate.innerHTML ); |
| 249 |
} |
| 250 |
|
| 251 |
/** |
| 252 |
* Handle change events with delegation |
| 253 |
*/ |
| 254 |
handleChange( event ) { |
| 255 |
const target = event.target; |
| 256 |
|
| 257 |
// Switch between upload and external |
| 258 |
if ( target.classList.contains( 'lp-material--field-method' ) ) { |
| 259 |
this.handleMethodSwitch( target ); |
| 260 |
} |
| 261 |
|
| 262 |
// File validation |
| 263 |
if ( target.classList.contains( 'lp-material--field-upload' ) ) { |
| 264 |
this.validateFile( target ); |
| 265 |
} |
| 266 |
} |
| 267 |
|
| 268 |
/** |
| 269 |
* Handle method switch (upload/external) |
| 270 |
*/ |
| 271 |
handleMethodSwitch( target ) { |
| 272 |
const method = target.value; |
| 273 |
const { uploadTemplate, externalTemplate } = this.elements; |
| 274 |
|
| 275 |
if ( ! uploadTemplate || ! externalTemplate ) return; |
| 276 |
|
| 277 |
const group = target.closest( '.lp-material--group' ); |
| 278 |
if ( ! group ) return; |
| 279 |
|
| 280 |
switch ( method ) { |
| 281 |
case 'upload': |
| 282 |
target.parentNode.insertAdjacentHTML( 'afterend', uploadTemplate.innerHTML ); |
| 283 |
group.querySelector( '.lp-material--external-wrap' )?.remove(); |
| 284 |
break; |
| 285 |
case 'external': |
| 286 |
target.parentNode.insertAdjacentHTML( 'afterend', externalTemplate.innerHTML ); |
| 287 |
group.querySelector( '.lp-material--upload-wrap' )?.remove(); |
| 288 |
break; |
| 289 |
} |
| 290 |
} |
| 291 |
|
| 292 |
/** |
| 293 |
* Validate uploaded file |
| 294 |
*/ |
| 295 |
validateFile( target ) { |
| 296 |
if ( ! target.value || ! target.files?.length ) { |
| 297 |
this.resetUploadLabel( target ); |
| 298 |
return; |
| 299 |
} |
| 300 |
|
| 301 |
const file = target.files[ 0 ]; |
| 302 |
|
| 303 |
if ( this.acceptFile.length > 0 && ! this.acceptFile.includes( file.type ) ) { |
| 304 |
alert( 'This file is not allowed! Please choose another file!' ); |
| 305 |
target.value = ''; |
| 306 |
this.resetUploadLabel( target ); |
| 307 |
return; |
| 308 |
} |
| 309 |
|
| 310 |
if ( file.size > this.maxFileSize * 1024 * 1024 ) { |
| 311 |
alert( |
| 312 |
`This file size is greater than ${ this.maxFileSize }MB! Please choose another file!` |
| 313 |
); |
| 314 |
target.value = ''; |
| 315 |
this.resetUploadLabel( target ); |
| 316 |
return; |
| 317 |
} |
| 318 |
|
| 319 |
this.updateUploadLabel( target, file.name ); |
| 320 |
} |
| 321 |
|
| 322 |
/** |
| 323 |
* Update upload label to show selected file name |
| 324 |
*/ |
| 325 |
updateUploadLabel( target, fileName ) { |
| 326 |
if ( ! fileName ) return; |
| 327 |
|
| 328 |
const uploadLabel = target |
| 329 |
.closest( '.lp-material--upload-wrap' ) |
| 330 |
?.querySelector( 'label' ); |
| 331 |
|
| 332 |
if ( ! uploadLabel ) return; |
| 333 |
|
| 334 |
uploadLabel.classList.add( 'has-selected-file' ); |
| 335 |
uploadLabel.setAttribute( 'data-file-name', fileName ); |
| 336 |
uploadLabel.setAttribute( 'title', fileName ); |
| 337 |
} |
| 338 |
|
| 339 |
/** |
| 340 |
* Reset upload label state |
| 341 |
*/ |
| 342 |
resetUploadLabel( target ) { |
| 343 |
const uploadLabel = target |
| 344 |
?.closest( '.lp-material--upload-wrap' ) |
| 345 |
?.querySelector( 'label' ); |
| 346 |
|
| 347 |
if ( ! uploadLabel ) return; |
| 348 |
|
| 349 |
uploadLabel.classList.remove( 'has-selected-file' ); |
| 350 |
uploadLabel.removeAttribute( 'data-file-name' ); |
| 351 |
uploadLabel.removeAttribute( 'title' ); |
| 352 |
} |
| 353 |
|
| 354 |
/** |
| 355 |
* Handle click events with delegation |
| 356 |
*/ |
| 357 |
handleClick( event ) { |
| 358 |
const target = event.target; |
| 359 |
|
| 360 |
// Delete group |
| 361 |
if ( target.classList.contains( 'lp-material--delete' ) && target.nodeName === 'BUTTON' ) { |
| 362 |
target.closest( '.lp-material--group' )?.remove(); |
| 363 |
return; |
| 364 |
} |
| 365 |
|
| 366 |
// Save single material |
| 367 |
if ( target.classList.contains( 'lp-material-save-field' ) ) { |
| 368 |
const material = target.closest( '.lp-material--group' ); |
| 369 |
if ( material ) { |
| 370 |
this.saveMaterial( [ material ], true, target ); |
| 371 |
} |
| 372 |
} |
| 373 |
} |
| 374 |
|
| 375 |
/** |
| 376 |
* Handle save all button |
| 377 |
*/ |
| 378 |
handleSaveAll() { |
| 379 |
const { groupContainer, saveBtn } = this.elements; |
| 380 |
|
| 381 |
if ( ! groupContainer ) return; |
| 382 |
|
| 383 |
const materials = Array.from( groupContainer.querySelectorAll( '.lp-material--group' ) ); |
| 384 |
if ( materials.length > 0 ) { |
| 385 |
this.saveMaterial( materials, false, saveBtn ); |
| 386 |
} |
| 387 |
} |
| 388 |
|
| 389 |
/** |
| 390 |
* Save material(s) with improved validation |
| 391 |
*/ |
| 392 |
async saveMaterial( materials, isSingle = false, targetBtn ) { |
| 393 |
if ( ! materials.length ) return; |
| 394 |
|
| 395 |
const materialData = []; |
| 396 |
const formData = new FormData(); |
| 397 |
let isValid = true; |
| 398 |
|
| 399 |
for ( const ele of materials ) { |
| 400 |
const label = ele.querySelector( '.lp-material--field-title' )?.value; |
| 401 |
const method = ele.querySelector( '.lp-material--field-method' )?.value; |
| 402 |
const externalField = ele.querySelector( '.lp-material--field-external-link' ); |
| 403 |
const uploadField = ele.querySelector( '.lp-material--field-upload' ); |
| 404 |
|
| 405 |
if ( ! label ) { |
| 406 |
isValid = false; |
| 407 |
break; |
| 408 |
} |
| 409 |
|
| 410 |
let file = ''; |
| 411 |
let link = ''; |
| 412 |
|
| 413 |
switch ( method ) { |
| 414 |
case 'upload': |
| 415 |
if ( uploadField?.value && uploadField.files?.length > 0 ) { |
| 416 |
file = uploadField.files[ 0 ].name; |
| 417 |
formData.append( 'file[]', uploadField.files[ 0 ] ); |
| 418 |
} else { |
| 419 |
isValid = false; |
| 420 |
} |
| 421 |
break; |
| 422 |
case 'external': |
| 423 |
link = externalField?.value || ''; |
| 424 |
if ( ! link ) { |
| 425 |
isValid = false; |
| 426 |
} |
| 427 |
break; |
| 428 |
} |
| 429 |
|
| 430 |
if ( ! isValid ) break; |
| 431 |
|
| 432 |
materialData.push( { label, method, file, link } ); |
| 433 |
} |
| 434 |
|
| 435 |
if ( ! isValid ) { |
| 436 |
alert( 'Enter file title, choose file or enter file link!' ); |
| 437 |
return; |
| 438 |
} |
| 439 |
|
| 440 |
formData.append( 'data', JSON.stringify( materialData ) ); |
| 441 |
targetBtn?.classList.add( 'loading' ); |
| 442 |
|
| 443 |
try { |
| 444 |
const restUrl = this.getRestUrl(); |
| 445 |
const url = `${ restUrl }lp/v1/material/item-materials/${ this.postID }`; |
| 446 |
|
| 447 |
const response = await fetch( url, { |
| 448 |
method: 'POST', |
| 449 |
headers: { |
| 450 |
'X-WP-Nonce': this.getNonce(), |
| 451 |
}, |
| 452 |
body: formData, |
| 453 |
} ); |
| 454 |
|
| 455 |
if ( ! response.ok ) { |
| 456 |
throw new Error( `HTTP error! status: ${ response.status }` ); |
| 457 |
} |
| 458 |
|
| 459 |
const text = await response.text(); |
| 460 |
let res; |
| 461 |
|
| 462 |
try { |
| 463 |
res = JSON.parse( text ); |
| 464 |
} catch ( e ) { |
| 465 |
console.error( 'Response is not valid JSON:', text.substring( 0, 200 ) ); |
| 466 |
throw new Error( 'Server returned invalid response. Check console for details.' ); |
| 467 |
} |
| 468 |
|
| 469 |
// Clear or remove materials |
| 470 |
if ( ! isSingle ) { |
| 471 |
materials.forEach( ( ele ) => { |
| 472 |
ele.querySelector( '.lp-material--field-title' ).value = ''; |
| 473 |
const uploadField = ele.querySelector( '.lp-material--field-upload' ); |
| 474 |
if ( uploadField ) { |
| 475 |
uploadField.value = ''; |
| 476 |
this.resetUploadLabel( uploadField ); |
| 477 |
} |
| 478 |
const externalField = ele.querySelector( '.lp-material--field-external-link' ); |
| 479 |
if ( externalField ) externalField.value = ''; |
| 480 |
} ); |
| 481 |
} else { |
| 482 |
materials[ 0 ].remove(); |
| 483 |
} |
| 484 |
|
| 485 |
const { message, data, status } = res; |
| 486 |
// console.log( message ); |
| 487 |
|
| 488 |
if ( status === 'success' && data?.length > 0 ) { |
| 489 |
const { thead, tbody } = this.elements; |
| 490 |
|
| 491 |
thead?.classList.remove( 'hidden' ); |
| 492 |
|
| 493 |
if ( tbody ) { |
| 494 |
const fragment = document.createDocumentFragment(); |
| 495 |
data.forEach( ( row ) => { |
| 496 |
fragment.appendChild( this.createRow( row ) ); |
| 497 |
} ); |
| 498 |
tbody.appendChild( fragment ); |
| 499 |
} |
| 500 |
|
| 501 |
this.updateCanUploadCount( -data.length ); |
| 502 |
this.initSortable(); |
| 503 |
} |
| 504 |
} catch ( err ) { |
| 505 |
console.error( 'Save material error:', err ); |
| 506 |
alert( 'Error saving material: ' + err.message ); |
| 507 |
} finally { |
| 508 |
targetBtn?.classList.remove( 'loading' ); |
| 509 |
} |
| 510 |
} |
| 511 |
|
| 512 |
/** |
| 513 |
* Handle delete material |
| 514 |
*/ |
| 515 |
async handleDelete( e ) { |
| 516 |
const target = e.target; |
| 517 |
|
| 518 |
if ( ! target.classList.contains( 'delete-material-row' ) || target.nodeName !== 'A' ) { |
| 519 |
return; |
| 520 |
} |
| 521 |
|
| 522 |
e.preventDefault(); |
| 523 |
|
| 524 |
const rowID = target.dataset.id; |
| 525 |
const message = |
| 526 |
this.elements.deleteMessage?.value || 'Are you sure you want to delete this material?'; |
| 527 |
|
| 528 |
if ( ! confirm( message ) ) return; |
| 529 |
|
| 530 |
try { |
| 531 |
const restUrl = this.getRestUrl(); |
| 532 |
const url = `${ restUrl }lp/v1/material/${ rowID }`; |
| 533 |
|
| 534 |
const response = await fetch( url, { |
| 535 |
method: 'DELETE', |
| 536 |
headers: { |
| 537 |
'X-WP-Nonce': this.getNonce(), |
| 538 |
'Content-Type': 'application/json', |
| 539 |
}, |
| 540 |
body: JSON.stringify( { |
| 541 |
item_id: this.postID, |
| 542 |
} ), |
| 543 |
} ); |
| 544 |
|
| 545 |
const res = await response.json(); |
| 546 |
|
| 547 |
if ( res.status !== 200 || ! res.delete ) { |
| 548 |
alert( res.message ); |
| 549 |
} else { |
| 550 |
target.closest( 'tr' )?.remove(); |
| 551 |
this.updateCanUploadCount( 1 ); |
| 552 |
} |
| 553 |
} catch ( err ) { |
| 554 |
console.error( 'Delete material error:', err ); |
| 555 |
alert( 'Error deleting material: ' + err.message ); |
| 556 |
} |
| 557 |
} |
| 558 |
|
| 559 |
/** |
| 560 |
* Update can upload count |
| 561 |
*/ |
| 562 |
updateCanUploadCount( delta ) { |
| 563 |
const { canUpload, addBtn } = this.elements; |
| 564 |
|
| 565 |
if ( canUpload && addBtn ) { |
| 566 |
const newCount = parseInt( canUpload.textContent ) + delta; |
| 567 |
canUpload.textContent = newCount; |
| 568 |
addBtn.setAttribute( 'can-upload', newCount ); |
| 569 |
} |
| 570 |
} |
| 571 |
|
| 572 |
/** |
| 573 |
* Initialize native drag & drop sortable (no jQuery) |
| 574 |
*/ |
| 575 |
initSortable() { |
| 576 |
const { tbody } = this.elements; |
| 577 |
|
| 578 |
if ( ! tbody ) return; |
| 579 |
|
| 580 |
// Remove existing listeners |
| 581 |
this.destroySortable(); |
| 582 |
|
| 583 |
const rows = tbody.querySelectorAll( 'tr' ); |
| 584 |
|
| 585 |
// Create bound handlers |
| 586 |
this.boundHandlers.handleDragStart = ( e ) => this.handleDragStart( e ); |
| 587 |
this.boundHandlers.handleDragOver = ( e ) => this.handleDragOver( e ); |
| 588 |
this.boundHandlers.handleDrop = ( e ) => this.handleDrop( e ); |
| 589 |
this.boundHandlers.handleDragEnd = () => this.handleDragEnd(); |
| 590 |
|
| 591 |
rows.forEach( ( row ) => { |
| 592 |
row.draggable = true; |
| 593 |
row.addEventListener( 'dragstart', this.boundHandlers.handleDragStart ); |
| 594 |
row.addEventListener( 'dragover', this.boundHandlers.handleDragOver ); |
| 595 |
row.addEventListener( 'drop', this.boundHandlers.handleDrop ); |
| 596 |
row.addEventListener( 'dragend', this.boundHandlers.handleDragEnd ); |
| 597 |
} ); |
| 598 |
|
| 599 |
this.sortable = { tbody, rows }; |
| 600 |
} |
| 601 |
|
| 602 |
handleDragStart( e ) { |
| 603 |
this.draggedElement = e.currentTarget; |
| 604 |
e.currentTarget.style.opacity = '0.4'; |
| 605 |
e.dataTransfer.effectAllowed = 'move'; |
| 606 |
e.dataTransfer.setData( 'text/html', e.currentTarget.innerHTML ); |
| 607 |
} |
| 608 |
|
| 609 |
handleDragOver( e ) { |
| 610 |
if ( e.preventDefault ) { |
| 611 |
e.preventDefault(); |
| 612 |
} |
| 613 |
e.dataTransfer.dropEffect = 'move'; |
| 614 |
|
| 615 |
const target = e.currentTarget; |
| 616 |
if ( this.draggedElement !== target ) { |
| 617 |
const rect = target.getBoundingClientRect(); |
| 618 |
const next = ( e.clientY - rect.top ) / ( rect.bottom - rect.top ) > 0.5; |
| 619 |
target.parentNode.insertBefore( this.draggedElement, next ? target.nextSibling : target ); |
| 620 |
} |
| 621 |
|
| 622 |
return false; |
| 623 |
} |
| 624 |
|
| 625 |
handleDrop( e ) { |
| 626 |
if ( e.stopPropagation ) { |
| 627 |
e.stopPropagation(); |
| 628 |
} |
| 629 |
return false; |
| 630 |
} |
| 631 |
|
| 632 |
handleDragEnd() { |
| 633 |
this.draggedElement.style.opacity = '1'; |
| 634 |
this.draggedElement = null; |
| 635 |
|
| 636 |
// Update sort order after drag ends |
| 637 |
this.updateSort(); |
| 638 |
} |
| 639 |
|
| 640 |
/** |
| 641 |
* Update sort order |
| 642 |
*/ |
| 643 |
async updateSort() { |
| 644 |
const { tbody } = this.elements; |
| 645 |
if ( ! tbody ) return; |
| 646 |
|
| 647 |
const items = tbody.querySelectorAll( 'tr' ); |
| 648 |
const data = Array.from( items ).map( ( item, index ) => { |
| 649 |
item.dataset.sort = index + 1; |
| 650 |
return { |
| 651 |
file_id: parseInt( item.dataset.id ), |
| 652 |
orders: index + 1, |
| 653 |
}; |
| 654 |
} ); |
| 655 |
|
| 656 |
try { |
| 657 |
const restUrl = this.getRestUrl(); |
| 658 |
const url = `${ restUrl }lp/v1/material/item-materials/${ this.postID }`; |
| 659 |
|
| 660 |
const response = await fetch( url, { |
| 661 |
method: 'PUT', |
| 662 |
headers: { |
| 663 |
'X-WP-Nonce': this.getNonce(), |
| 664 |
'Content-Type': 'application/json', |
| 665 |
}, |
| 666 |
body: JSON.stringify( { |
| 667 |
sort_arr: JSON.stringify( data ), |
| 668 |
} ), |
| 669 |
} ); |
| 670 |
|
| 671 |
const res = await response.json(); |
| 672 |
|
| 673 |
if ( res.status !== 200 ) { |
| 674 |
console.error( 'Sort table fail.' ); |
| 675 |
} |
| 676 |
} catch ( err ) { |
| 677 |
console.error( 'Update sort error:', err ); |
| 678 |
} |
| 679 |
} |
| 680 |
|
| 681 |
/** |
| 682 |
* Helper methods for REST URL and nonce |
| 683 |
*/ |
| 684 |
getRestUrl() { |
| 685 |
return window.lpGlobalSettings?.rest || window.lpData?.lp_rest_url || '/wp-json/'; |
| 686 |
} |
| 687 |
|
| 688 |
getNonce() { |
| 689 |
return window.lpGlobalSettings?.nonce || window.lpData?.nonce || ''; |
| 690 |
} |
| 691 |
|
| 692 |
/** |
| 693 |
* Destroy sortable |
| 694 |
*/ |
| 695 |
destroySortable() { |
| 696 |
if ( ! this.sortable ) return; |
| 697 |
|
| 698 |
const { rows } = this.sortable; |
| 699 |
rows?.forEach( ( row ) => { |
| 700 |
row.removeEventListener( 'dragstart', this.boundHandlers.handleDragStart ); |
| 701 |
row.removeEventListener( 'dragover', this.boundHandlers.handleDragOver ); |
| 702 |
row.removeEventListener( 'drop', this.boundHandlers.handleDrop ); |
| 703 |
row.removeEventListener( 'dragend', this.boundHandlers.handleDragEnd ); |
| 704 |
} ); |
| 705 |
|
| 706 |
this.sortable = null; |
| 707 |
} |
| 708 |
|
| 709 |
/** |
| 710 |
* Destroy instance and cleanup |
| 711 |
*/ |
| 712 |
destroy() { |
| 713 |
const { addBtn, materialTab, saveBtn } = this.elements; |
| 714 |
|
| 715 |
// Remove event listeners |
| 716 |
if ( addBtn ) { |
| 717 |
addBtn.removeEventListener( 'click', this.boundHandlers.handleAddMaterial ); |
| 718 |
} |
| 719 |
|
| 720 |
if ( materialTab ) { |
| 721 |
materialTab.removeEventListener( 'change', this.boundHandlers.handleChange ); |
| 722 |
materialTab.removeEventListener( 'click', this.boundHandlers.handleClick ); |
| 723 |
} |
| 724 |
|
| 725 |
if ( saveBtn ) { |
| 726 |
saveBtn.removeEventListener( 'click', this.boundHandlers.handleSaveAll ); |
| 727 |
} |
| 728 |
|
| 729 |
if ( this.container ) { |
| 730 |
this.container.removeEventListener( 'click', this.boundHandlers.handleDelete ); |
| 731 |
} |
| 732 |
|
| 733 |
// Destroy sortable |
| 734 |
this.destroySortable(); |
| 735 |
|
| 736 |
// Reset bound handlers |
| 737 |
this.boundHandlers = { |
| 738 |
handleAddMaterial: null, |
| 739 |
handleChange: null, |
| 740 |
handleClick: null, |
| 741 |
handleSaveAll: null, |
| 742 |
handleDelete: null, |
| 743 |
handleDragStart: null, |
| 744 |
handleDragOver: null, |
| 745 |
handleDrop: null, |
| 746 |
handleDragEnd: null, |
| 747 |
}; |
| 748 |
|
| 749 |
// Clear cached elements |
| 750 |
this.elements = {}; |
| 751 |
|
| 752 |
this.initialized = false; |
| 753 |
this.eventsBound = false; |
| 754 |
} |
| 755 |
} |
| 756 |
|
| 757 |
export default BuilderMaterial; |
| 758 |
|
