Copybara bot | be50d49 | 2023-11-30 00:16:42 +0100 | [diff] [blame] | 1 | 'use strict'; |
| 2 | |
| 3 | var _toConsumableArray2 = require('babel-runtime/helpers/toConsumableArray'); |
| 4 | |
| 5 | var _toConsumableArray3 = _interopRequireDefault(_toConsumableArray2); |
| 6 | |
| 7 | var _constants = require('../utils/constants'); |
| 8 | |
| 9 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
| 10 | |
| 11 | (function () { |
| 12 | 'use strict'; |
| 13 | |
| 14 | var ACCORDION = 'mdlext-accordion'; |
| 15 | var ACCORDION_VERTICAL = 'mdlext-accordion--vertical'; |
| 16 | var ACCORDION_HORIZONTAL = 'mdlext-accordion--horizontal'; |
| 17 | var PANEL = 'mdlext-accordion__panel'; |
| 18 | var PANEL_ROLE = 'presentation'; |
| 19 | var TAB = 'mdlext-accordion__tab'; |
| 20 | var TAB_CAPTION = 'mdlext-accordion__tab__caption'; |
| 21 | var TAB_ROLE = 'tab'; |
| 22 | var TABPANEL = 'mdlext-accordion__tabpanel'; |
| 23 | var TABPANEL_ROLE = 'tabpanel'; |
| 24 | var RIPPLE_EFFECT = 'mdlext-js-ripple-effect'; |
| 25 | var RIPPLE = 'mdlext-accordion__tab--ripple'; |
| 26 | var ANIMATION_EFFECT = 'mdlext-js-animation-effect'; |
| 27 | var ANIMATION = 'mdlext-accordion__tabpanel--animation'; |
| 28 | |
| 29 | /** |
| 30 | * @constructor |
| 31 | * @param {Element} element The element that will be upgraded. |
| 32 | */ |
| 33 | var MaterialExtAccordion = function MaterialExtAccordion(element) { |
| 34 | |
| 35 | // Stores the Accordion HTML element. |
| 36 | this.element_ = element; |
| 37 | |
| 38 | // Initialize instance. |
| 39 | this.init(); |
| 40 | }; |
| 41 | window['MaterialExtAccordion'] = MaterialExtAccordion; |
| 42 | |
| 43 | // Helpers |
| 44 | var accordionPanelElements = function accordionPanelElements(element) { |
| 45 | if (!element) { |
| 46 | return { |
| 47 | panel: null, |
| 48 | tab: null, |
| 49 | tabpanel: null |
| 50 | }; |
| 51 | } else if (element.classList.contains(PANEL)) { |
| 52 | return { |
| 53 | panel: element, |
| 54 | tab: element.querySelector('.' + TAB), |
| 55 | tabpanel: element.querySelector('.' + TABPANEL) |
| 56 | }; |
| 57 | } else { |
| 58 | return { |
| 59 | panel: element.parentNode, |
| 60 | tab: element.parentNode.querySelector('.' + TAB), |
| 61 | tabpanel: element.parentNode.querySelector('.' + TABPANEL) |
| 62 | }; |
| 63 | } |
| 64 | }; |
| 65 | |
| 66 | // Private methods. |
| 67 | |
| 68 | /** |
| 69 | * Handles custom command event, 'open', 'close', 'toggle' or upgrade |
| 70 | * @param event. A custom event |
| 71 | * @private |
| 72 | */ |
| 73 | MaterialExtAccordion.prototype.commandHandler_ = function (event) { |
| 74 | event.preventDefault(); |
| 75 | event.stopPropagation(); |
| 76 | |
| 77 | if (event && event.detail) { |
| 78 | this.command(event.detail); |
| 79 | } |
| 80 | }; |
| 81 | |
| 82 | /** |
| 83 | * Dispatch toggle event |
| 84 | * @param {string} state |
| 85 | * @param {Element} tab |
| 86 | * @param {Element} tabpanel |
| 87 | * @private |
| 88 | */ |
| 89 | MaterialExtAccordion.prototype.dispatchToggleEvent_ = function (state, tab, tabpanel) { |
| 90 | var ce = new CustomEvent('toggle', { |
| 91 | bubbles: true, |
| 92 | cancelable: true, |
| 93 | detail: { state: state, tab: tab, tabpanel: tabpanel } |
| 94 | }); |
| 95 | this.element_.dispatchEvent(ce); |
| 96 | }; |
| 97 | |
| 98 | /** |
| 99 | * Open tab |
| 100 | * @param {Element} panel |
| 101 | * @param {Element} tab |
| 102 | * @param {Element} tabpanel |
| 103 | * @private |
| 104 | */ |
| 105 | MaterialExtAccordion.prototype.openTab_ = function (panel, tab, tabpanel) { |
| 106 | panel.classList.add(_constants.IS_EXPANDED); |
| 107 | tab.setAttribute(_constants.ARIA_EXPANDED, 'true'); |
| 108 | tabpanel.removeAttribute('hidden'); |
| 109 | tabpanel.setAttribute(_constants.ARIA_HIDDEN, 'false'); |
| 110 | this.dispatchToggleEvent_('open', tab, tabpanel); |
| 111 | }; |
| 112 | |
| 113 | /** |
| 114 | * Close tab |
| 115 | * @param {Element} panel |
| 116 | * @param {Element} tab |
| 117 | * @param {Element} tabpanel |
| 118 | * @private |
| 119 | */ |
| 120 | MaterialExtAccordion.prototype.closeTab_ = function (panel, tab, tabpanel) { |
| 121 | panel.classList.remove(_constants.IS_EXPANDED); |
| 122 | tab.setAttribute(_constants.ARIA_EXPANDED, 'false'); |
| 123 | tabpanel.setAttribute('hidden', ''); |
| 124 | tabpanel.setAttribute(_constants.ARIA_HIDDEN, 'true'); |
| 125 | this.dispatchToggleEvent_('close', tab, tabpanel); |
| 126 | }; |
| 127 | |
| 128 | /** |
| 129 | * Toggle tab |
| 130 | * @param {Element} panel |
| 131 | * @param {Element} tab |
| 132 | * @param {Element} tabpanel |
| 133 | * @private |
| 134 | */ |
| 135 | MaterialExtAccordion.prototype.toggleTab_ = function (panel, tab, tabpanel) { |
| 136 | if (!(this.element_.hasAttribute('disabled') || tab.hasAttribute('disabled'))) { |
| 137 | if (tab.getAttribute(_constants.ARIA_EXPANDED).toLowerCase() === 'true') { |
| 138 | this.closeTab_(panel, tab, tabpanel); |
| 139 | } else { |
| 140 | if (this.element_.getAttribute(_constants.ARIA_MULTISELECTABLE).toLowerCase() !== 'true') { |
| 141 | this.closeTabs_(); |
| 142 | } |
| 143 | this.openTab_(panel, tab, tabpanel); |
| 144 | } |
| 145 | } |
| 146 | }; |
| 147 | |
| 148 | /** |
| 149 | * Open tabs |
| 150 | * @private |
| 151 | */ |
| 152 | MaterialExtAccordion.prototype.openTabs_ = function () { |
| 153 | var _this = this; |
| 154 | |
| 155 | if (this.element_.getAttribute(_constants.ARIA_MULTISELECTABLE).toLowerCase() === 'true') { |
| 156 | [].concat((0, _toConsumableArray3.default)(this.element_.querySelectorAll('.' + ACCORDION + ' > .' + PANEL))).filter(function (panel) { |
| 157 | return !panel.classList.contains(_constants.IS_EXPANDED); |
| 158 | }).forEach(function (closedItem) { |
| 159 | var tab = closedItem.querySelector('.' + TAB); |
| 160 | if (!tab.hasAttribute('disabled')) { |
| 161 | _this.openTab_(closedItem, tab, closedItem.querySelector('.' + TABPANEL)); |
| 162 | } |
| 163 | }); |
| 164 | } |
| 165 | }; |
| 166 | |
| 167 | /** |
| 168 | * Close tabs |
| 169 | * @private |
| 170 | */ |
| 171 | MaterialExtAccordion.prototype.closeTabs_ = function () { |
| 172 | var _this2 = this; |
| 173 | |
| 174 | [].concat((0, _toConsumableArray3.default)(this.element_.querySelectorAll('.' + ACCORDION + ' > .' + PANEL + '.' + _constants.IS_EXPANDED))).forEach(function (panel) { |
| 175 | var tab = panel.querySelector('.' + TAB); |
| 176 | if (!tab.hasAttribute('disabled')) { |
| 177 | _this2.closeTab_(panel, tab, panel.querySelector('.' + TABPANEL)); |
| 178 | } |
| 179 | }); |
| 180 | }; |
| 181 | |
| 182 | // Public methods. |
| 183 | |
| 184 | /** |
| 185 | * Upgrade an individual accordion tab |
| 186 | * @public |
| 187 | * @param {Element} tabElement The HTML element for the accordion panel. |
| 188 | */ |
| 189 | MaterialExtAccordion.prototype.upgradeTab = function (tabElement) { |
| 190 | var _this3 = this; |
| 191 | |
| 192 | var _accordionPanelElemen = accordionPanelElements(tabElement), |
| 193 | panel = _accordionPanelElemen.panel, |
| 194 | tab = _accordionPanelElemen.tab, |
| 195 | tabpanel = _accordionPanelElemen.tabpanel; |
| 196 | |
| 197 | var disableTab = function disableTab() { |
| 198 | panel.classList.remove(_constants.IS_EXPANDED); |
| 199 | tab.setAttribute('tabindex', '-1'); |
| 200 | tab.setAttribute(_constants.ARIA_EXPANDED, 'false'); |
| 201 | tabpanel.setAttribute('hidden', ''); |
| 202 | tabpanel.setAttribute(_constants.ARIA_HIDDEN, 'true'); |
| 203 | }; |
| 204 | |
| 205 | var enableTab = function enableTab() { |
| 206 | if (!tab.hasAttribute(_constants.ARIA_EXPANDED)) { |
| 207 | tab.setAttribute(_constants.ARIA_EXPANDED, 'false'); |
| 208 | } |
| 209 | |
| 210 | tab.setAttribute('tabindex', '0'); |
| 211 | |
| 212 | if (tab.getAttribute(_constants.ARIA_EXPANDED).toLowerCase() === 'true') { |
| 213 | panel.classList.add(_constants.IS_EXPANDED); |
| 214 | tabpanel.removeAttribute('hidden'); |
| 215 | tabpanel.setAttribute(_constants.ARIA_HIDDEN, 'false'); |
| 216 | } else { |
| 217 | panel.classList.remove(_constants.IS_EXPANDED); |
| 218 | tabpanel.setAttribute('hidden', ''); |
| 219 | tabpanel.setAttribute(_constants.ARIA_HIDDEN, 'true'); |
| 220 | } |
| 221 | }; |
| 222 | |
| 223 | // In horizontal layout, caption must have a max-width defined to prevent pushing elements to the right of the caption out of view. |
| 224 | // In JsDom, offsetWidth and offsetHeight properties do not work, so this function is not testable. |
| 225 | /* istanbul ignore next */ |
| 226 | var calcMaxTabCaptionWidth = function calcMaxTabCaptionWidth() { |
| 227 | |
| 228 | var tabCaption = tab.querySelector('.' + TAB_CAPTION); |
| 229 | if (tabCaption !== null) { |
| 230 | var w = [].concat((0, _toConsumableArray3.default)(tab.children)).filter(function (el) { |
| 231 | return el.classList && !el.classList.contains(TAB_CAPTION); |
| 232 | }).reduce(function (v, el) { |
| 233 | return v + el.offsetWidth; |
| 234 | }, 0); |
| 235 | |
| 236 | var maxWidth = tab.clientHeight - w; |
| 237 | if (maxWidth > 0) { |
| 238 | tabCaption.style['max-width'] = maxWidth + 'px'; |
| 239 | } |
| 240 | } |
| 241 | }; |
| 242 | |
| 243 | var selectTab = function selectTab() { |
| 244 | if (!tab.hasAttribute(_constants.ARIA_SELECTED)) { |
| 245 | [].concat((0, _toConsumableArray3.default)(_this3.element_.querySelectorAll('.' + TAB + '[aria-selected="true"]'))).forEach(function (selectedTab) { |
| 246 | return selectedTab.removeAttribute(_constants.ARIA_SELECTED); |
| 247 | }); |
| 248 | tab.setAttribute(_constants.ARIA_SELECTED, 'true'); |
| 249 | } |
| 250 | }; |
| 251 | |
| 252 | var tabClickHandler = function tabClickHandler() { |
| 253 | _this3.toggleTab_(panel, tab, tabpanel); |
| 254 | selectTab(); |
| 255 | }; |
| 256 | |
| 257 | var tabFocusHandler = function tabFocusHandler() { |
| 258 | selectTab(); |
| 259 | }; |
| 260 | |
| 261 | var tabpanelClickHandler = function tabpanelClickHandler() { |
| 262 | selectTab(); |
| 263 | }; |
| 264 | |
| 265 | var tabpanelFocusHandler = function tabpanelFocusHandler() { |
| 266 | selectTab(); |
| 267 | }; |
| 268 | |
| 269 | var tabKeydownHandler = function tabKeydownHandler(e) { |
| 270 | |
| 271 | if (_this3.element_.hasAttribute('disabled')) { |
| 272 | return; |
| 273 | } |
| 274 | |
| 275 | if (e.keyCode === _constants.VK_END || e.keyCode === _constants.VK_HOME || e.keyCode === _constants.VK_ARROW_UP || e.keyCode === _constants.VK_ARROW_LEFT || e.keyCode === _constants.VK_ARROW_DOWN || e.keyCode === _constants.VK_ARROW_RIGHT) { |
| 276 | |
| 277 | var nextTab = null; |
| 278 | var keyCode = e.keyCode; |
| 279 | |
| 280 | if (keyCode === _constants.VK_HOME) { |
| 281 | nextTab = _this3.element_.querySelector('.' + PANEL + ':first-child > .' + TAB); |
| 282 | if (nextTab && nextTab.hasAttribute('disabled')) { |
| 283 | nextTab = null; |
| 284 | keyCode = _constants.VK_ARROW_DOWN; |
| 285 | } |
| 286 | } else if (keyCode === _constants.VK_END) { |
| 287 | nextTab = _this3.element_.querySelector('.' + PANEL + ':last-child > .' + TAB); |
| 288 | if (nextTab && nextTab.hasAttribute('disabled')) { |
| 289 | nextTab = null; |
| 290 | keyCode = _constants.VK_ARROW_UP; |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | if (!nextTab) { |
| 295 | var nextPanel = panel; |
| 296 | |
| 297 | do { |
| 298 | if (keyCode === _constants.VK_ARROW_UP || keyCode === _constants.VK_ARROW_LEFT) { |
| 299 | nextPanel = nextPanel.previousElementSibling; |
| 300 | if (!nextPanel) { |
| 301 | nextPanel = _this3.element_.querySelector('.' + PANEL + ':last-child'); |
| 302 | } |
| 303 | if (nextPanel) { |
| 304 | nextTab = nextPanel.querySelector('.' + PANEL + ' > .' + TAB); |
| 305 | } |
| 306 | } else if (keyCode === _constants.VK_ARROW_DOWN || keyCode === _constants.VK_ARROW_RIGHT) { |
| 307 | nextPanel = nextPanel.nextElementSibling; |
| 308 | if (!nextPanel) { |
| 309 | nextPanel = _this3.element_.querySelector('.' + PANEL + ':first-child'); |
| 310 | } |
| 311 | if (nextPanel) { |
| 312 | nextTab = nextPanel.querySelector('.' + PANEL + ' > .' + TAB); |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | if (nextTab && nextTab.hasAttribute('disabled')) { |
| 317 | nextTab = null; |
| 318 | } else { |
| 319 | break; |
| 320 | } |
| 321 | } while (nextPanel !== panel); |
| 322 | } |
| 323 | |
| 324 | if (nextTab) { |
| 325 | e.preventDefault(); |
| 326 | e.stopPropagation(); |
| 327 | nextTab.focus(); |
| 328 | |
| 329 | // Workaround for JSDom testing: |
| 330 | // In JsDom 'element.focus()' does not trigger any focus event |
| 331 | if (!nextTab.hasAttribute(_constants.ARIA_SELECTED)) { |
| 332 | |
| 333 | [].concat((0, _toConsumableArray3.default)(_this3.element_.querySelectorAll('.' + TAB + '[aria-selected="true"]'))).forEach(function (selectedTab) { |
| 334 | return selectedTab.removeAttribute(_constants.ARIA_SELECTED); |
| 335 | }); |
| 336 | |
| 337 | nextTab.setAttribute(_constants.ARIA_SELECTED, 'true'); |
| 338 | } |
| 339 | } |
| 340 | } else if (e.keyCode === _constants.VK_ENTER || e.keyCode === _constants.VK_SPACE) { |
| 341 | e.preventDefault(); |
| 342 | e.stopPropagation(); |
| 343 | _this3.toggleTab_(panel, tab, tabpanel); |
| 344 | } |
| 345 | }; |
| 346 | |
| 347 | if (tab === null) { |
| 348 | throw new Error('There must be a tab element for each accordion panel.'); |
| 349 | } |
| 350 | |
| 351 | if (tabpanel === null) { |
| 352 | throw new Error('There must be a tabpanel element for each accordion panel.'); |
| 353 | } |
| 354 | |
| 355 | panel.setAttribute('role', PANEL_ROLE); |
| 356 | tab.setAttribute('role', TAB_ROLE); |
| 357 | tabpanel.setAttribute('role', TABPANEL_ROLE); |
| 358 | |
| 359 | if (tab.hasAttribute('disabled')) { |
| 360 | disableTab(); |
| 361 | } else { |
| 362 | enableTab(); |
| 363 | } |
| 364 | |
| 365 | if (this.element_.classList.contains(ACCORDION_HORIZONTAL)) { |
| 366 | calcMaxTabCaptionWidth(); |
| 367 | } |
| 368 | |
| 369 | if (this.element_.classList.contains(RIPPLE_EFFECT)) { |
| 370 | tab.classList.add(RIPPLE); |
| 371 | } |
| 372 | |
| 373 | if (this.element_.classList.contains(ANIMATION_EFFECT)) { |
| 374 | tabpanel.classList.add(ANIMATION); |
| 375 | } |
| 376 | |
| 377 | // Remove listeners, just in case ... |
| 378 | tab.removeEventListener('click', tabClickHandler); |
| 379 | tab.removeEventListener('focus', tabFocusHandler); |
| 380 | tab.removeEventListener('keydown', tabKeydownHandler); |
| 381 | tabpanel.removeEventListener('click', tabpanelClickHandler); |
| 382 | tabpanel.removeEventListener('focus', tabpanelFocusHandler); |
| 383 | |
| 384 | tab.addEventListener('click', tabClickHandler); |
| 385 | tab.addEventListener('focus', tabFocusHandler); |
| 386 | tab.addEventListener('keydown', tabKeydownHandler); |
| 387 | tabpanel.addEventListener('click', tabpanelClickHandler, true); |
| 388 | tabpanel.addEventListener('focus', tabpanelFocusHandler, true); |
| 389 | }; |
| 390 | MaterialExtAccordion.prototype['upgradeTab'] = MaterialExtAccordion.prototype.upgradeTab; |
| 391 | |
| 392 | /** |
| 393 | * Execute command |
| 394 | * @param detail |
| 395 | */ |
| 396 | MaterialExtAccordion.prototype.command = function (detail) { |
| 397 | var _this4 = this; |
| 398 | |
| 399 | var openTab = function openTab(tabElement) { |
| 400 | |
| 401 | if (tabElement === undefined) { |
| 402 | _this4.openTabs_(); |
| 403 | } else if (tabElement !== null) { |
| 404 | var _accordionPanelElemen2 = accordionPanelElements(tabElement), |
| 405 | panel = _accordionPanelElemen2.panel, |
| 406 | tab = _accordionPanelElemen2.tab, |
| 407 | tabpanel = _accordionPanelElemen2.tabpanel; |
| 408 | |
| 409 | if (tab.getAttribute(_constants.ARIA_EXPANDED).toLowerCase() !== 'true') { |
| 410 | _this4.toggleTab_(panel, tab, tabpanel); |
| 411 | } |
| 412 | } |
| 413 | }; |
| 414 | |
| 415 | var closeTab = function closeTab(tabElement) { |
| 416 | if (tabElement === undefined) { |
| 417 | _this4.closeTabs_(); |
| 418 | } else if (tabElement !== null) { |
| 419 | var _accordionPanelElemen3 = accordionPanelElements(tabElement), |
| 420 | panel = _accordionPanelElemen3.panel, |
| 421 | tab = _accordionPanelElemen3.tab, |
| 422 | tabpanel = _accordionPanelElemen3.tabpanel; |
| 423 | |
| 424 | if (tab.getAttribute(_constants.ARIA_EXPANDED).toLowerCase() === 'true') { |
| 425 | _this4.toggleTab_(panel, tab, tabpanel); |
| 426 | } |
| 427 | } |
| 428 | }; |
| 429 | |
| 430 | var toggleTab = function toggleTab(tabElement) { |
| 431 | if (tabElement) { |
| 432 | var _accordionPanelElemen4 = accordionPanelElements(tabElement), |
| 433 | panel = _accordionPanelElemen4.panel, |
| 434 | tab = _accordionPanelElemen4.tab, |
| 435 | tabpanel = _accordionPanelElemen4.tabpanel; |
| 436 | |
| 437 | _this4.toggleTab_(panel, tab, tabpanel); |
| 438 | } |
| 439 | }; |
| 440 | |
| 441 | if (detail && detail.action) { |
| 442 | var action = detail.action, |
| 443 | target = detail.target; |
| 444 | |
| 445 | |
| 446 | switch (action.toLowerCase()) { |
| 447 | case 'open': |
| 448 | openTab(target); |
| 449 | break; |
| 450 | case 'close': |
| 451 | closeTab(target); |
| 452 | break; |
| 453 | case 'toggle': |
| 454 | toggleTab(target); |
| 455 | break; |
| 456 | case 'upgrade': |
| 457 | if (target) { |
| 458 | this.upgradeTab(target); |
| 459 | } |
| 460 | break; |
| 461 | default: |
| 462 | throw new Error('Unknown action "' + action + '". Action must be one of "open", "close", "toggle" or "upgrade"'); |
| 463 | } |
| 464 | } |
| 465 | }; |
| 466 | MaterialExtAccordion.prototype['command'] = MaterialExtAccordion.prototype.command; |
| 467 | |
| 468 | /** |
| 469 | * Initialize component |
| 470 | */ |
| 471 | MaterialExtAccordion.prototype.init = function () { |
| 472 | var _this5 = this; |
| 473 | |
| 474 | if (this.element_) { |
| 475 | // Do the init required for this component to work |
| 476 | if (!(this.element_.classList.contains(ACCORDION_HORIZONTAL) || this.element_.classList.contains(ACCORDION_VERTICAL))) { |
| 477 | throw new Error('Accordion must have one of the classes "' + ACCORDION_HORIZONTAL + '" or "' + ACCORDION_VERTICAL + '"'); |
| 478 | } |
| 479 | |
| 480 | this.element_.setAttribute('role', 'tablist'); |
| 481 | |
| 482 | if (!this.element_.hasAttribute(_constants.ARIA_MULTISELECTABLE)) { |
| 483 | this.element_.setAttribute(_constants.ARIA_MULTISELECTABLE, 'false'); |
| 484 | } |
| 485 | |
| 486 | this.element_.removeEventListener('command', this.commandHandler_); |
| 487 | this.element_.addEventListener('command', this.commandHandler_.bind(this), false); |
| 488 | |
| 489 | [].concat((0, _toConsumableArray3.default)(this.element_.querySelectorAll('.' + ACCORDION + ' > .' + PANEL))).forEach(function (panel) { |
| 490 | return _this5.upgradeTab(panel); |
| 491 | }); |
| 492 | |
| 493 | // Set upgraded flag |
| 494 | this.element_.classList.add(_constants.IS_UPGRADED); |
| 495 | } |
| 496 | }; |
| 497 | |
| 498 | /* |
| 499 | * Downgrade component |
| 500 | * E.g remove listeners and clean up resources |
| 501 | * |
| 502 | * Nothing to downgrade |
| 503 | * |
| 504 | MaterialExtAccordion.prototype.mdlDowngrade_ = function() { |
| 505 | 'use strict'; |
| 506 | console.log('***** MaterialExtAccordion.mdlDowngrade'); |
| 507 | }; |
| 508 | */ |
| 509 | |
| 510 | // The component registers itself. It can assume componentHandler is available |
| 511 | // in the global scope. |
| 512 | /* eslint no-undef: 0 */ |
| 513 | componentHandler.register({ |
| 514 | constructor: MaterialExtAccordion, |
| 515 | classAsString: 'MaterialExtAccordion', |
| 516 | cssClass: 'mdlext-js-accordion', |
| 517 | widget: true |
| 518 | }); |
| 519 | })(); /** |
| 520 | * @license |
| 521 | * Copyright 2016 Leif Olsen. All Rights Reserved. |
| 522 | * |
| 523 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 524 | * you may not use this file except in compliance with the License. |
| 525 | * You may obtain a copy of the License at |
| 526 | * |
| 527 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 528 | * |
| 529 | * Unless required by applicable law or agreed to in writing, software |
| 530 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 531 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 532 | * See the License for the specific language governing permissions and |
| 533 | * limitations under the License. |
| 534 | * |
| 535 | * This code is built with Google Material Design Lite, |
| 536 | * which is Licensed under the Apache License, Version 2.0 |
| 537 | */ |
| 538 | |
| 539 | /** |
| 540 | * A WAI-ARIA friendly accordion component. |
| 541 | * An accordion is a collection of expandable panels associated with a common outer container. Panels consist |
| 542 | * of a header and an associated content region or tabpanel. The primary use of an Accordion is to present multiple sections |
| 543 | * of content on a single page without scrolling, where all of the sections are peers in the application or object hierarchy. |
| 544 | * The general look is similar to a tree where each root tree node is an expandable accordion header. The user navigates |
| 545 | * and makes the contents of each panel visible (or not) by interacting with the Accordion Header |
| 546 | */ |