1(function ($) { 2 3/** 4 * Provides Ajax page updating via jQuery $.ajax (Asynchronous JavaScript and XML). 5 * 6 * Ajax is a method of making a request via JavaScript while viewing an HTML 7 * page. The request returns an array of commands encoded in JSON, which is 8 * then executed to make any changes that are necessary to the page. 9 * 10 * Drupal uses this file to enhance form elements with #ajax['path'] and 11 * #ajax['wrapper'] properties. If set, this file will automatically be included 12 * to provide Ajax capabilities. 13 */ 14 15Drupal.ajax = Drupal.ajax || {}; 16 17Drupal.settings.urlIsAjaxTrusted = Drupal.settings.urlIsAjaxTrusted || {}; 18 19/** 20 * Attaches the Ajax behavior to each Ajax form element. 21 */ 22Drupal.behaviors.AJAX = { 23 attach: function (context, settings) { 24 // Load all Ajax behaviors specified in the settings. 25 for (var base in settings.ajax) { 26 if (!$('#' + base + '.ajax-processed').length) { 27 var element_settings = settings.ajax[base]; 28 29 if (typeof element_settings.selector == 'undefined') { 30 element_settings.selector = '#' + base; 31 } 32 $(element_settings.selector).each(function () { 33 element_settings.element = this; 34 Drupal.ajax[base] = new Drupal.ajax(base, this, element_settings); 35 }); 36 37 $('#' + base).addClass('ajax-processed'); 38 } 39 } 40 41 // Bind Ajax behaviors to all items showing the class. 42 $('.use-ajax:not(.ajax-processed)').addClass('ajax-processed').each(function () { 43 var element_settings = {}; 44 // Clicked links look better with the throbber than the progress bar. 45 element_settings.progress = { 'type': 'throbber' }; 46 47 // For anchor tags, these will go to the target of the anchor rather 48 // than the usual location. 49 if ($(this).attr('href')) { 50 element_settings.url = $(this).attr('href'); 51 element_settings.event = 'click'; 52 } 53 // Special handling if the data-dialog attribute is TRUE. 54 if ($(this).data('dialog')) { 55 element_settings.dialog = $(this).data('dialog-options') || {}; 56 57 var uri = element_settings.url; 58 if (uri.indexOf('?') === -1) { 59 uri += '?'; 60 } 61 else { 62 uri += '&'; 63 } 64 uri += '_format=drupal_dialog'; 65 66 element_settings.url = uri; 67 } 68 var base = $(this).attr('id'); 69 Drupal.ajax[base] = new Drupal.ajax(base, this, element_settings); 70 }); 71 72 // This class means to submit the form to the action using Ajax. 73 $('.use-ajax-submit:not(.ajax-processed)').addClass('ajax-processed').each(function () { 74 var element_settings = {}; 75 76 // Ajax submits specified in this manner automatically submit to the 77 // normal form action. 78 element_settings.url = $(this.form).attr('action'); 79 // Form submit button clicks need to tell the form what was clicked so 80 // it gets passed in the POST request. 81 element_settings.setClick = true; 82 // Form buttons use the 'click' event rather than mousedown. 83 element_settings.event = 'click'; 84 // Clicked form buttons look better with the throbber than the progress bar. 85 element_settings.progress = { 'type': 'throbber' }; 86 87 var base = $(this).attr('id'); 88 Drupal.ajax[base] = new Drupal.ajax(base, this, element_settings); 89 }); 90 } 91}; 92 93/** 94 * Ajax object. 95 * 96 * All Ajax objects on a page are accessible through the global Drupal.ajax 97 * object and are keyed by the submit button's ID. You can access them from 98 * your module's JavaScript file to override properties or functions. 99 * 100 * For example, if your Ajax enabled button has the ID 'edit-submit', you can 101 * redefine the function that is called to insert the new content like this 102 * (inside a Drupal.behaviors attach block): 103 * @code 104 * Drupal.behaviors.myCustomAJAXStuff = { 105 * attach: function (context, settings) { 106 * Drupal.ajax['edit-submit'].commands.insert = function (ajax, response, status) { 107 * new_content = $(response.data); 108 * $('#my-wrapper').append(new_content); 109 * alert('New content was appended to #my-wrapper'); 110 * } 111 * } 112 * }; 113 * @endcode 114 */ 115Drupal.ajax = function (base, element, element_settings) { 116 var defaults = { 117 url: 'system/ajax', 118 event: 'mousedown', 119 keypress: true, 120 selector: '#' + base, 121 effect: 'none', 122 speed: 'none', 123 method: 'replaceWith', 124 progress: { 125 type: 'throbber', 126 message: Drupal.t('Please wait...') 127 }, 128 submit: { 129 'js': true 130 } 131 }; 132 133 $.extend(this, defaults, element_settings); 134 135 this.element = element; 136 this.element_settings = element_settings; 137 138 // Replacing 'nojs' with 'ajax' in the URL allows for an easy method to let 139 // the server detect when it needs to degrade gracefully. 140 // There are five scenarios to check for: 141 // 1. /nojs/ 142 // 2. /nojs$ - The end of a URL string. 143 // 3. /nojs? - Followed by a query (with clean URLs enabled). 144 // E.g.: path/nojs?destination=foobar 145 // 4. /nojs& - Followed by a query (without clean URLs enabled). 146 // E.g.: ?q=path/nojs&destination=foobar 147 // 5. /nojs# - Followed by a fragment. 148 // E.g.: path/nojs#myfragment 149 this.url = element_settings.url.replace(/\/nojs(\/|$|\?|&|#)/g, '/ajax$1'); 150 // If the 'nojs' version of the URL is trusted, also trust the 'ajax' version. 151 if (Drupal.settings.urlIsAjaxTrusted[element_settings.url]) { 152 Drupal.settings.urlIsAjaxTrusted[this.url] = true; 153 } 154 155 this.wrapper = '#' + element_settings.wrapper; 156 157 // If there isn't a form, jQuery.ajax() will be used instead, allowing us to 158 // bind Ajax to links as well. 159 if (this.element.form) { 160 this.form = $(this.element.form); 161 } 162 163 // Set the options for the ajaxSubmit function. 164 // The 'this' variable will not persist inside of the options object. 165 var ajax = this; 166 ajax.options = { 167 url: Drupal.sanitizeAjaxUrl(ajax.url), 168 data: ajax.submit, 169 beforeSerialize: function (element_settings, options) { 170 return ajax.beforeSerialize(element_settings, options); 171 }, 172 beforeSubmit: function (form_values, element_settings, options) { 173 ajax.ajaxing = true; 174 return ajax.beforeSubmit(form_values, element_settings, options); 175 }, 176 beforeSend: function (xmlhttprequest, options) { 177 ajax.ajaxing = true; 178 return ajax.beforeSend(xmlhttprequest, options); 179 }, 180 success: function (response, status, xmlhttprequest) { 181 // Sanity check for browser support (object expected). 182 // When using iFrame uploads, responses must be returned as a string. 183 if (typeof response == 'string') { 184 response = $.parseJSON(response); 185 } 186 187 // Prior to invoking the response's commands, verify that they can be 188 // trusted by checking for a response header. See 189 // ajax_set_verification_header() for details. 190 // - Empty responses are harmless so can bypass verification. This avoids 191 // an alert message for server-generated no-op responses that skip Ajax 192 // rendering. 193 // - Ajax objects with trusted URLs (e.g., ones defined server-side via 194 // #ajax) can bypass header verification. This is especially useful for 195 // Ajax with multipart forms. Because IFRAME transport is used, the 196 // response headers cannot be accessed for verification. 197 if (response !== null && !Drupal.settings.urlIsAjaxTrusted[ajax.url]) { 198 if (xmlhttprequest.getResponseHeader('X-Drupal-Ajax-Token') !== '1') { 199 var customMessage = Drupal.t("The response failed verification so will not be processed."); 200 return ajax.error(xmlhttprequest, ajax.url, customMessage); 201 } 202 } 203 204 return ajax.success(response, status); 205 }, 206 complete: function (xmlhttprequest, status) { 207 ajax.ajaxing = false;
208 if (status == 'error' || status == 'parsererror') { 209 return ajax.error(xmlhttprequest, ajax.url); 210 } 211 }, 212 dataType: 'json', 213 jsonp: false, 214 type: 'POST' 215 }; 216 if (element_settings.dialog) { 217 ajax.options.data.dialogOptions = element_settings.dialog; 218 } 219 220 // For multipart forms (e.g., file uploads), jQuery Form targets the form 221 // submission to an iframe instead of using an XHR object. The initial "src" 222 // of the iframe, prior to the form submission, is set to options.iframeSrc. 223 // "about:blank" is the semantically correct, standards-compliant, way to 224 // initialize a blank iframe; however, some old IE versions (possibly only 6) 225 // incorrectly report a mixed content warning when iframes with an 226 // "about:blank" src are added to a parent document with an https:// origin. 227 // jQuery Form works around this by defaulting to "javascript:false" instead, 228 // but that breaks on Chrome 83, so here we force the semantically correct 229 // behavior for all browsers except old IE. 230 // @see https://www.drupal.org/project/drupal/issues/3143016 231 // @see https://github.com/jquery-form/form/blob/df9cb101b9c9c085c8d75ad980c7ff1cf62063a1/jquery.form.js#L68 232 // @see https://bugs.chromium.org/p/chromium/issues/detail?id=1084874 233 // @see https://html.spec.whatwg.org/multipage/browsers.html#creating-browsing-contexts 234 // @see https://developer.mozilla.org/en-US/docs/Web/Security/Same-origin_policy 235 if (navigator.userAgent.indexOf("MSIE") === -1) { 236 ajax.options.iframeSrc = 'about:blank'; 237 } 238 239 // Bind the ajaxSubmit function to the element event. 240 $(ajax.element).bind(element_settings.event, function (event) { 241 if (!Drupal.settings.urlIsAjaxTrusted[ajax.url] && !Drupal.urlIsLocal(ajax.url)) { 242 throw new Error(Drupal.t('The callback URL is not local and not trusted: !url', {'!url': ajax.url})); 243 } 244 return ajax.eventResponse(this, event); 245 }); 246 247 // If necessary, enable keyboard submission so that Ajax behaviors 248 // can be triggered through keyboard input as well as e.g. a mousedown 249 // action. 250 if (element_settings.keypress) { 251 $(ajax.element).keypress(function (event) { 252 return ajax.keypressResponse(this, event); 253 }); 254 } 255 256 // If necessary, prevent the browser default action of an additional event. 257 // For example, prevent the browser default action of a click, even if the 258 // AJAX behavior binds to mousedown. 259 if (element_settings.prevent) { 260 $(ajax.element).bind(element_settings.prevent, false); 261 } 262}; 263 264/** 265 * Handle a key press. 266 * 267 * The Ajax object will, if instructed, bind to a key press response. This 268 * will test to see if the key press is valid to trigger this event and 269 * if it is, trigger it for us and prevent other keypresses from triggering. 270 * In this case we're handling RETURN and SPACEBAR keypresses (event codes 13 271 * and 32. RETURN is often used to submit a form when in a textfield, and 272 * SPACE is often used to activate an element without submitting. 273 */ 274Drupal.ajax.prototype.keypressResponse = function (element, event) { 275 // Create a synonym for this to reduce code confusion. 276 var ajax = this; 277 278 // Detect enter key and space bar and allow the standard response for them, 279 // except for form elements of type 'text' and 'textarea', where the 280 // spacebar activation causes inappropriate activation if #ajax['keypress'] is 281 // TRUE. On a text-type widget a space should always be a space. 282 if (event.which == 13 || (event.which == 32 && element.type != 'text' && element.type != 'textarea')) { 283 $(ajax.element_settings.element).trigger(ajax.element_settings.event); 284 return false; 285 } 286}; 287 288/** 289 * Handle an event that triggers an Ajax response. 290 * 291 * When an event that triggers an Ajax response happens, this method will 292 * perform the actual Ajax call. It is bound to the event using 293 * bind() in the constructor, and it uses the options specified on the 294 * ajax object. 295 */ 296Drupal.ajax.prototype.eventResponse = function (element, event) { 297 // Create a synonym for this to reduce code confusion. 298 var ajax = this; 299 300 // Do not perform another ajax command if one is already in progress. 301 if (ajax.ajaxing) { 302 return false;
303 } 304 305 try { 306 if (ajax.form) { 307 // If setClick is set, we must set this to ensure that the button's 308 // value is passed. 309 if (ajax.setClick) { 310 // Mark the clicked button. 'form.clk' is a special variable for 311 // ajaxSubmit that tells the system which element got clicked to 312 // trigger the submit. Without it there would be no 'op' or 313 // equivalent. 314 element.form.clk = element; 315 } 316 317 ajax.form.ajaxSubmit(ajax.options); 318 } 319 else { 320 ajax.beforeSerialize(ajax.element, ajax.options); 321 $.ajax(ajax.options); 322 } 323 } 324 catch (e) { 325 // Unset the ajax.ajaxing flag here because it won't be unset during 326 // the complete response. 327 ajax.ajaxing = false; 328 alert("An error occurred while attempting to process " + ajax.options.url + ": " + e.message); 329 } 330 331 // For radio/checkbox, allow the default event. On IE, this means letting 332 // it actually check the box. 333 if (typeof element.type != 'undefined' && (element.type == 'checkbox' || element.type == 'radio')) { 334 return true; 335 } 336 else { 337 return false; 338 } 339 340}; 341 342/** 343 * Handler for the form serialization. 344 * 345 * Runs before the beforeSend() handler (see below), and unlike that one, runs 346 * before field data is collected. 347 */ 348Drupal.ajax.prototype.beforeSerialize = function (element, options) { 349 // Allow detaching behaviors to update field values before collecting them. 350 // This is only needed when field values are added to the POST data, so only 351 // when there is a form such that this.form.ajaxSubmit() is used instead of 352 // $.ajax(). When there is no form and $.ajax() is used, beforeSerialize() 353 // isn't called, but don't rely on that: explicitly check this.form. 354 if (this.form) { 355 var settings = this.settings || Drupal.settings; 356 Drupal.detachBehaviors(this.form, settings, 'serialize'); 357 } 358 359 // Prevent duplicate HTML ids in the returned markup. 360 // @see drupal_html_id() 361 options.data['ajax_html_ids[]'] = []; 362 $('[id]').each(function () { 363 options.data['ajax_html_ids[]'].push(this.id); 364 }); 365 366 // Allow Drupal to return new JavaScript and CSS files to load without 367 // returning the ones already loaded. 368 // @see ajax_base_page_theme() 369 // @see drupal_get_css() 370 // @see drupal_get_js() 371 options.data['ajax_page_state[theme]'] = Drupal.settings.ajaxPageState.theme; 372 options.data['ajax_page_state[theme_token]'] = Drupal.settings.ajaxPageState.theme_token; 373 for (var key in Drupal.settings.ajaxPageState.css) { 374 options.data['ajax_page_state[css][' + key + ']'] = 1; 375 } 376 for (var key in Drupal.settings.ajaxPageState.js) { 377 options.data['ajax_page_state[js][' + key + ']'] = 1; 378 } 379 380 // Provide an error if the dialog options can't be parsed. 381 if (this.options.data.dialogOptions && typeof this.options.data.dialogOptions !== 'object') { 382 $.error(Drupal.t('The data-dialog-options property on this link is not valid JSON.')); 383 } 384}; 385 386/** 387 * Modify form values prior to form submission. 388 */ 389Drupal.ajax.prototype.beforeSubmit = function (form_values, element, options) { 390 // This function is left empty to make it simple to override for modules 391 // that wish to add functionality here. 392}; 393 394/** 395 * Prepare the Ajax request before it is sent. 396 */ 397Drupal.ajax.prototype.beforeSend = function (xmlhttprequest, options) { 398 // For forms without file inputs, the jQuery Form plugin serializes the form 399 // values, and then calls jQuery's $.ajax() function, which invokes this 400 // handler. In this circumstance, options.extraData is never used. For forms 401 // with file inputs, the jQuery Form plugin uses the browser's normal form 402 // submission mechanism, but captures the response in a hidden IFRAME. In this 403 // circumstance, it calls this handler first, and then appends hidden fields 404 // to the form to submit the values in options.extraData. There is no simple 405 // way to know which submission mechanism will be used, so we add to extraData 406 // regardless, and allow it to be ignored in the former case. 407 if (this.form) { 408 options.extraData = options.extraData || {}; 409 410 // Let the server know when the IFRAME submission mechanism is used. The 411 // server can use this information to wrap the JSON response in a TEXTAREA, 412 // as per http://jquery.malsup.com/form/#file-upload. 413 options.extraData.ajax_iframe_upload = '1'; 414 415 // The triggering element is about to be disabled (see below), but if it 416 // contains a value (e.g., a checkbox, textfield, select, etc.), ensure that 417 // value is included in the submission. As per above, submissions that use 418 // $.ajax() are already serialized prior to the element being disabled, so 419 // this is only needed for IFRAME submissions. 420 var v = $.fieldValue(this.element); 421 if (v !== null) { 422 options.extraData[this.element.name] = Drupal.checkPlain(v); 423 } 424 } 425 426 // Disable the element that received the change to prevent user interface 427 // interaction while the Ajax request is in progress. ajax.ajaxing prevents 428 // the element from triggering a new request, but does not prevent the user 429 // from changing its value. 430 $(this.element).addClass('progress-disabled').attr('disabled', true); 431 432 // Insert progressbar or throbber. 433 if (this.progress.type == 'bar') { 434 var progressBar = new Drupal.progressBar('ajax-progress-' + this.element.i
434d, $.noop, this.progress.method, $.noop); 435 if (this.progress.message) { 436 progressBar.setProgress(-1, this.progress.message); 437 } 438 if (this.progress.url) { 439 progressBar.startMonitoring(this.progress.url, this.progress.interval || 1500); 440 } 441 this.progress.element = $(progressBar.element).addClass('ajax-progress ajax-progress-bar'); 442 this.progress.object = progressBar; 443 $(this.element).after(this.progress.element); 444 } 445 else if (this.progress.type == 'throbber') { 446 this.progress.element = $('<div class="ajax-progress ajax-progress-throbber"><div class="throbber"> </div></div>'); 447 if (this.progress.message) { 448 $('.throbber', this.progress.element).after('<div class="message">' + this.progress.message + '</div>'); 449 } 450 $(this.element).after(this.progress.element); 451 } 452}; 453 454/** 455 * Handler for the form redirection completion. 456 */ 457Drupal.ajax.prototype.success = function (response, status) { 458 // Remove the progress element. 459 if (this.progress.element) { 460 $(this.progress.element).remove(); 461 } 462 if (this.progress.object) { 463 this.progress.object.stopMonitoring(); 464 } 465 $(this.element).removeClass('progress-disabled').removeAttr('disabled'); 466 467 Drupal.freezeHeight(); 468 469 for (var i in response) { 470 if (response.hasOwnProperty(i) && response[i]['command'] && this.commands[response[i]['command']]) { 471 this.commands[response[i]['command']](this, response[i], status); 472 } 473 } 474 475 // Reattach behaviors, if they were detached in beforeSerialize(). The 476 // attachBehaviors() called on the new content from processing the response 477 // commands is not sufficient, because behaviors from the entire form need 478 // to be reattached. 479 if (this.form) { 480 var settings = this.settings || Drupal.settings; 481 Drupal.attachBehaviors(this.form, settings); 482 } 483 484 Drupal.unfreezeHeight(); 485 486 // Remove any response-specific settings so they don't get used on the next 487 // call by mistake. 488 this.settings = null; 489}; 490 491/** 492 * Build an effect object which tells us how to apply the effect when adding new HTML. 493 */ 494Drupal.ajax.prototype.getEffect = function (response) { 495 var type = response.effect || this.effect; 496 var speed = response.speed || this.speed; 497 498 var effect = {}; 499 if (type == 'none') { 500 effect.showEffect = 'show'; 501 effect.hideEffect = 'hide'; 502 effect.showSpeed = ''; 503 } 504 else if (type == 'fade') { 505 effect.showEffect = 'fadeIn'; 506 effect.hideEffect = 'fadeOut'; 507 effect.showSpeed = speed; 508 } 509 else { 510 effect.showEffect = type + 'Toggle'; 511 effect.hideEffect = type + 'Toggle'; 512 effect.showSpeed = speed; 513 } 514 515 return effect; 516}; 517 518/** 519 * Handler for the form redirection error. 520 */ 521Drupal.ajax.prototype.error = function (xmlhttprequest, uri, customMessage) { 522 Drupal.displayAjaxError(Drupal.ajaxError(xmlhttprequest, uri, customMessage)); 523 // Remove the progress element. 524 if (this.progress.element) { 525 $(this.progress.element).remove(); 526 } 527 if (this.progress.object) { 528 this.progress.object.stopMonitoring(); 529 } 530 // Undo hide. 531 $(this.wrapper).show(); 532 // Re-enable the element. 533 $(this.element).removeClass('progress-disabled').removeAttr('disabled'); 534 // Reattach behaviors, if they were detached in beforeSerialize(). 535 if (this.form) { 536 var settings = this.settings || Drupal.settings; 537 Drupal.attachBehaviors(this.form, settings); 538 } 539}; 540 541/** 542 * Provide a series of commands that the server can request the client perform. 543 */ 544Drupal.ajax.prototype.commands = { 545 /** 546 * Command to insert new content into the DOM. 547 */ 548 insert: function (ajax, response, status) { 549 // Get information from the response. If it is not there, default to 550 // our presets. 551 var wrapper = response.selector ? $(response.selector) : $(ajax.wrapper); 552 var method = response.method || ajax.method; 553 var effect = ajax.getEffect(response); 554 555 // We don't know what response.data contains: it might be a string of text 556 // without HTML, so don't rely on jQuery correctly iterpreting 557 // $(response.data) as new HTML rather than a CSS selector. Also, if 558 // response.data contains top-level text nodes, they get lost with either 559 // $(response.data) or $('<div></div>').replaceWith(response.data). 560 var new_content_wrapped = $('<div></div>').html(response.data); 561 var new_content = new_content_wrapped.contents(); 562 563 // For legacy reasons, the effects processing code assumes that new_content 564 // consists of a single top-level element. Also, it has not been 565 // sufficiently tested whether attachBehaviors() can be successfully called 566 // with a context object that includes top-level text nodes. However, to 567 // give developers full control of the HTML appearing in the page, and to 568 // enable Ajax content to be inserted in places where DIV elements are not 569 // allowed (e.g., within TABLE, TR, and SPAN parents), we check if the new 570 // content satisfies the requirement of a single top-level element, and 571 // only use the container DIV created above when it doesn't. For more 572 // information, please see http://drupal.org/node/736066. 573 if (new_content.length != 1 || new_content.get(0).nodeType != 1) { 574 new_content = new_content_wrapped; 575 } 576 577 // If removing content from the wrapper, detach behaviors first. 578 switch (method) { 579 case 'html': 580 case 'replaceWith': 581 case 'replaceAll': 582 case 'empty': 583 case 'remove': 584 var settings = response.settings || ajax.settings || Drupal.settings; 585 Drupal.detachBehaviors(wrapper, settings); 586 } 587 588 // Add the new content to the page. 589 wrapper[method](new_content); 590 591 // Immediately hide the new content if we're using any effects. 592 if (effect.showEffect != 'show') { 593 new_content.hide(); 594 } 595 596 // Determine which effect to use and what content will receive the 597 // effect, then show the new content. 598 if ($('.ajax-new-content', new_content).length > 0) { 599 $('.ajax-new-content', new_content).hide(); 600 new_content.show(); 601 $('.ajax-new-content', new_content)[effect.showEffect](effect.showSpeed); 602 } 603 else if (effect.showEffect != 'show') { 604 new_content[effect.showEffect](effect.showSpeed); 605 } 606 607 // Attach all JavaScript behaviors to the new content, if it was successfully 608 // added to the page, this if statement allows #ajax['wrapper'] to be 609 // optional. 610 if (new_content.parents('html').length > 0) { 611 // Apply any settings from the returned JSON if available. 612 var settings = response.settings || ajax.settings || Drupal.settings; 613 Drupal.attachBehaviors(new_content, settings); 614 } 615 }, 616 617 /** 618 * Command to remove a chunk from the page. 619 */ 620 remove: function (ajax, response, status) { 621 var settings = response.settings || ajax.settings || Drupal.settings; 622 Drupal.detachBehaviors($(response.selector), settings); 623 $(response.selector).remove(); 624 }, 625 626 /** 627 * Command to mark a chunk changed. 628 */ 629 changed: function (ajax, response, status) { 630 if (!$(response.selector).hasClass('ajax-changed')) { 631 $(response.selector).addClass('ajax-changed'); 632 if (response.asterisk) { 633 $(response.selector).find(response.asterisk).append(' <span class="ajax-changed">*</span> '); 634 } 635 } 636 }, 637 638 /** 639 * Command to provide an alert. 640 */ 641 alert: function (ajax, response, status) { 642 alert(response.text, response.title); 643 }, 644 645 /** 646 * Command to provide the jQuery css() function. 647 */ 648 css: function (ajax, response, status) { 649 $(response.selector).css(response.argument); 650 }, 651 652 /** 653 * Command to set the settings that will be used for other commands in this response. 654 */ 655 settings: function (ajax, response, status) { 656 if (response.merge) { 657 $.extend(true, Drupal.settings, response.settings); 658 } 659 else { 660 ajax.settings = response.settings; 661 } 662 }, 663 664 /** 665 * Command to attach data using jQuery's data API. 666 */ 667 data: function (ajax, response, status) { 668 $(response.selector).data(response.name, response.value); 669 }, 670 671 /** 672 * Command to apply a jQuery method. 673 */ 674 invoke: function (ajax, response, status) { 675 var $element = $(response.selector); 676 $element[response.method].apply($element, response.arguments); 677 }, 678 679 /** 680 * Command to restripe a table. 681 */ 682 restripe: function (ajax, response, status) { 683 // :even and :odd are reversed because jQuery counts from 0 and 684 // we count from 1, so we're out of sync. 685 // Match immediate children of the parent element to allow nesting. 686 $('> tbody > tr:visible, > tr:visible', $(response.selector)) 687 .removeClass('odd even') 688 .filter(':even').addClass('odd').end() 689 .filter(':odd').addClass('even'); 690 }, 691 692 /** 693 * Command to add css. 694 * 695 * Uses the proprietary addImport method if available as browsers which 696 * support that method ignore @import statements in dynamically added 697 * stylesheets. 698 */ 699 add_css: function (ajax, response, status) { 700 // Add the styles in the normal way. 701 $('head').prepend(response.data); 702 // Add imports in the styles using the addImport method if available. 703 var match, importMatch = /^@import url\("(.*)"\);$/igm; 704 if (document.styleSheets[0].addImport && importMatch.test(response.data)) { 705 importMatch.lastIndex = 0; 706 while (match = importMatch.exec(response.data)) { 707 document.styleSheets[0].addImport(match[1]); 708 } 709 } 710 }, 711 712 /** 713 * Command to update a form's build ID. 714 */ 715 updateBuildId: function(ajax, response, status) { 716 $('input[name="form_build_id"][value="' + response['old'] + '"]').val(response['new']); 717 } 718}; 719 720})(jQuery);
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