vendor: 46,481 bytes, lines 1-1750
1/** 2 * Owl carousel 3 * @version 2.3.4 4 * @author Bartosz Wojciechowski 5 * @author David Deutsch 6 * @license The MIT License (MIT) 7 * @todo Lazy Load Icon 8 * @todo prevent animationend bubling 9 * @todo itemsScaleUp 10 * @todo Test Zepto 11 * @todo stagePadding calculate wrong active classes 12 */ 13;(function($, window, document, undefined) { 14 15 /** 16 * Creates a carousel. 17 * @class The Owl Carousel. 18 * @public 19 * @param {HTMLElement|jQuery} element - The element to create the carousel for. 20 * @param {Object} [options] - The options 21 */ 22 function Owl(element, options) { 23 24 /** 25 * Current settings for the carousel. 26 * @public 27 */ 28 this.settings = null; 29 30 /** 31 * Current options set by the caller including defaults. 32 * @public 33 */ 34 this.options = $.extend({}, Owl.Defaults, options); 35 36 /** 37 * Plugin element. 38 * @public 39 */ 40 this.$element = $(element); 41 42 /** 43 * Proxied event handlers. 44 * @protected 45 */ 46 this._handlers = {}; 47 48 /** 49 * References to the running plugins of this carousel. 50 * @protected 51 */ 52 this._plugins = {}; 53 54 /** 55 * Currently suppressed events to prevent them from being retriggered. 56 * @protected 57 */ 58 this._supress = {}; 59 60 /** 61 * Absolute current position. 62 * @protected 63 */ 64 this._current = null; 65 66 /** 67 * Animation speed in milliseconds. 68 * @protected 69 */ 70 this._speed = null; 71 72 /** 73 * Coordinates of all items in pixel. 74 * @todo The name of this member is missleading. 75 * @protected 76 */ 77 this._coordinates = []; 78 79 /** 80 * Current breakpoint. 81 * @todo Real media queries would be nice. 82 * @protected 83 */ 84 this._breakpoint = null; 85 86 /** 87 * Current width of the plugin element. 88 */ 89 this._width = null; 90 91 /** 92 * All real items. 93 * @protected 94 */ 95 this._items = []; 96 97 /** 98 * All cloned items. 99 * @protected 100 */ 101 this._clones = []; 102 103 /** 104 * Merge values of all items. 105 * @todo Maybe this could be part of a plugin. 106 * @protected 107 */ 108 this._mergers = []; 109 110 /** 111 * Widths of all items. 112 */ 113 this._widths = []; 114 115 /** 116 * Invalidated parts within the update process. 117 * @protected 118 */ 119 this._invalidated = {}; 120 121 /** 122 * Ordered list of workers for the update process. 123 * @protected 124 */ 125 this._pipe = []; 126 127 /** 128 * Current state information for the drag operation. 129 * @todo #261 130 * @protected 131 */ 132 this._drag = { 133 time: null, 134 target: null, 135 pointer: null, 136 stage: { 137 start: null, 138 current: null 139 }, 140 direction: null 141 }; 142 143 /** 144 * Current state information and their tags. 145 * @type {Object} 146 * @protected 147 */ 148 this._states = { 149 current: {}, 150 tags: { 151 'initializing': [ 'busy' ], 152 'animating': [ 'busy' ], 153 'dragging': [ 'interacting' ] 154 } 155 }; 156 157 $.each([ 'onResize', 'onThrottledResize' ], $.proxy(function(i, handler) { 158 this._handlers[handler] = $.proxy(this[handler], this); 159 }, this)); 160 161 $.each(Owl.Plugins, $.proxy(function(key, plugin) { 162 this._plugins[key.charAt(0).toLowerCase() + key.slice(1)] 163 = new plugin(this); 164 }, this)); 165 166 $.each(Owl.Workers, $.proxy(function(priority, worker) { 167 this._pipe.push({ 168 'filter': worker.filter, 169 'run': $.proxy(worker.run, this) 170 }); 171 }, this)); 172 173 this.setup(); 174 this.initialize(); 175 } 176 177 /** 178 * Default options for the carousel. 179 * @public 180 */ 181 Owl.Defaults = { 182 items: 3, 183 loop: false, 184 center: false, 185 rewind: false, 186 checkVisibility: true, 187 188 mouseDrag: true, 189 touchDrag: true, 190 pullDrag: true, 191 freeDrag: false, 192 193 margin: 0, 194 stagePadding: 0, 195 196 merge: false, 197 mergeFit: true, 198 autoWidth: false, 199 200 startPosition: 0, 201 rtl: false, 202 203 smartSpeed: 250, 204 fluidSpeed: false, 205 dragEndSpeed: false, 206 207 responsive: {}, 208 responsiveRefreshRate: 200, 209 responsiveBaseElement: window, 210 211 fallbackEasing: 'swing', 212 slideTransition: '', 213 214 info: false, 215 216 nestedItemSelector: false, 217 itemElement: 'div', 218 stageElement: 'div', 219 220 refreshClass: 'owl-refresh', 221 loadedClass: 'owl-loaded', 222 loadingClass: 'owl-loading', 223 rtlClass: 'owl-rtl', 224 responsiveClass: 'owl-responsive', 225 dragClass: 'owl-drag', 226 itemClass: 'owl-item', 227 stageClass: 'owl-stage', 228 stageOuterClass: 'owl-stage-outer', 229 grabClass: 'owl-grab' 230 }; 231 232 /** 233 * Enumeration for width. 234 * @public 235 * @readonly 236 * @enum {String} 237 */ 238 Owl.Width = { 239 Default: 'default', 240 Inner: 'inner', 241 Outer: 'outer' 242 }; 243 244 /** 245 * Enumeration for types. 246 * @public 247 * @readonly 248 * @enum {String} 249 */ 250 Owl.Type = { 251 Event: 'event', 252 State: 'state' 253 }; 254 255 /** 256 * Contains all registered plugins. 257 * @public 258 */ 259 Owl.Plugins = {}; 260 261 /** 262 * List of workers involved in the update process. 263 */ 264 Owl.Workers = [ { 265 filter: [ 'width', 'settings' ], 266 run: function() { 267 this._width = this.$element.width(); 268 } 269 }, { 270 filter: [ 'width', 'items', 'settings' ], 271 run: function(cache) { 272 cache.current = this._items && this._items[this.relative(this._current)]; 273 } 274 }, { 275 filter: [ 'items', 'settings' ], 276 run: function() { 277 this.$stage.children('.cloned').remove(); 278 } 279 }, { 280 filter: [ 'width', 'items', 'settings' ], 281 run: function(cache) { 282 var margin = this.settings.margin || '', 283 grid = !this.settings.autoWidth, 284 rtl = this.settings.rtl, 285 css = { 286 'width': 'auto', 287 'margin-left': rtl ? margin : '', 288 'margin-right': rtl ? '' : margin 289 }; 290 291 !grid && this.$stage.children().css(css); 292 293 cache.css = css; 294 } 295 }, { 296 filter: [ 'width', 'items', 'settings' ], 297 run: function(cache) { 298 var width = (this.width() / this.settings.items).toFixed(3) - this.settings.margin, 299 merge = null, 300 iterator = this._items.length, 301 grid = !this.settings.autoWidth, 302 widths = []; 303 304 cache.items = { 305 merge: false, 306 width: width 307 }; 308 309 while (iterator--) { 310 merge = this._mergers[iterator]; 311 merge = this.settings.mergeFit && Math.min(merge, this.settings.items) || merge; 312 313 cache.items.merge = merge > 1 || cache.items.merge; 314 315 widths[iterator] = !grid ? this._items[iterator].width() : width * merge; 316 } 317 318 this._widths = widths; 319 } 320 }, { 321 filter: [ 'items', 'settings' ], 322 run: function() { 323 var clones = [], 324 items = this._items, 325 settings = this.settings, 326 // TODO: Should be computed from number of min width items in stage 327 view = Math.max(settings.items * 2, 4), 328 size = Math.ceil(items.length / 2) * 2, 329 repeat = settings.loop && items.length ? settings.rewind ? view : Math.max(view, size) : 0, 330 append = '', 331 prepend = ''; 332 333 repeat /= 2; 334 335 while (repeat > 0) { 336 // Switch to only using appended clones 337 clones.push(this.normalize(clones.length / 2, true)); 338 append = append + items[clones[clones.length - 1]][0].outerHTML; 339 clones.push(this.normalize(items.length - 1 - (clones.length - 1) / 2, true)); 340 prepend = items[clones[clones.length - 1]][0].outerHTML + prepend; 341 repeat -= 1; 342 } 343 344 this._clones = clones; 345 346 $(append).addClass('cloned').appendTo(this.$stage); 347 $(prepend).addClass('cloned').prependTo(this.$stage); 348 } 349 }, { 350 filter: [ 'width', 'items', 'settings' ], 351 run: function() { 352 var rtl = this.settings.rtl ? 1 : -1, 353 size = this._clones.length + this._items.length, 354 iterator = -1, 355 previous = 0, 356 current = 0, 357 coordinates = []; 358 359 while (++iterator < size) { 360 previous = coordinates[iterator - 1] || 0; 361 current = this._widths[this.relative(iterator)] + this.settings.margin; 362 coordinates.push(previous + current * rtl); 363 } 364 365 this._coordinates = coordinates; 366 } 367 }, { 368 filter: [ 'width', 'items', 'settings' ], 369 run: function() { 370 var padding = this.settings.stagePadding, 371 coordinates = this._coordinates, 372 css = { 373 'width': Math.ceil(Math.abs(coordinates[coordinates.length - 1])) + padding * 2, 374 'padding-left': padding || '', 375 'padding-right': padding || '' 376 }; 377 378 this.$stage.css(css); 379 } 380 }, { 381 filter: [ 'width', 'items', 'settings' ], 382 run: function(cache) { 383 var iterator = this._coordinates.length, 384 grid = !this.settings.autoWidth, 385 items = this.$stage.children(); 386 387 if (grid && cache.items.merge) { 388 while (iterator--) { 389 cache.css.width = this._widths[this.relative(iterator)]; 390 items.eq(iterator).css(cache.css); 391 } 392 } else if (grid) { 393 cache.css.width = cache.items.width; 394 items.css(cache.css); 395 } 396 } 397 }, { 398 filter: [ 'items' ], 399 run: function() { 400 this._coordinates.length < 1 && this.$stage.removeAttr('style'); 401 } 402 }, { 403 filter: [ 'width', 'items', 'settings' ], 404 run: function(cache) { 405 cache.current = cache.current ? this.$stage.children().index(cache.current) : 0; 406 cache.current = Math.max(this.minimum(), Math.min(this.maximum(), cache.current)); 407 this.reset(cache.current); 408 } 409 }, { 410 filter: [ 'position' ], 411 run: function() { 412 this.animate(this.coordinates(this._current)); 413 } 414 }, { 415 filter: [ 'width', 'position', 'items', 'settings' ], 416 run: function() { 417 var rtl = this.settings.rtl ? 1 : -1, 418 padding = this.settings.stagePadding * 2, 419 begin = this.coordinates(this.current()) + padding, 420 end = begin + this.width() * rtl, 421 inner, outer, matches = [], i, n; 422 423 for (i = 0, n = this._coordinates.length; i < n; i++) { 424 inner = this._coordinates[i - 1] || 0; 425 outer = Math.abs(this._coordinates[i]) + padding * rtl; 426 427 if ((this.op(inner, '<=', begin) && (this.op(inner, '>', end))) 428 || (this.op(outer, '<', begin) && this.op(outer, '>', end))) { 429 matches.push(i); 430 } 431 } 432 433 this.$stage.children('.active').removeClass('active'); 434 this.$stage.children(':eq(' + matches.join('), :eq(') + ')').addClass('active'); 435 436 this.$stage.children('.center').removeClass('center'); 437 if (this.settings.center) { 438 this.$stage.children().eq(this.current()).addClass('center'); 439 } 440 } 441 } ]; 442 443 /** 444 * Create the stage DOM element 445 */ 446 Owl.prototype.initializeStage = function() { 447 this.$stage = this.$element.find('.' + this.settings.stageClass); 448 449 // if the stage is already in the DOM, grab it and skip stage initialization 450 if (this.$stage.length) { 451 return; 452 } 453 454 this.$element.addClass(this.options.loadingClass); 455 456 // create stage 457 this.$stage = $('<' + this.settings.stageElement + '>', { 458 "class": this.settings.stageClass 459 }).wrap( $( '<div/>', { 460 "class": this.settings.stageOuterClass 461 })); 462 463 // append stage 464 this.$element.append(this.$stage.parent()); 465 }; 466 467 /** 468 * Create item DOM elements 469 */ 470 Owl.prototype.initializeItems = function() { 471 var $items = this.$element.find('.owl-item'); 472 473 // if the items are already in the DOM, grab them and skip item initialization 474 if ($items.length) { 475 this._items = $items.get().map(function(item) { 476 return $(item); 477 }); 478 479 this._mergers = this._items.map(function() { 480 return 1; 481 }); 482 483 this.refresh(); 484 485 return; 486 } 487 488 // append content 489 this.replace(this.$element.children().not(this.$stage.parent())); 490 491 // check visibility 492 if (this.isVisible()) { 493 // update view 494 this.refresh(); 495 } else { 496 // invalidate width 497 this.invalidate('width'); 498 } 499 500 this.$element 501 .removeClass(this.options.loadingClass) 502 .addClass(this.options.loadedClass); 503 }; 504 505 /** 506 * Initializes the carousel. 507 * @protected 508 */ 509 Owl.prototype.initialize = function() { 510 this.enter('initializing'); 511 this.trigger('initialize'); 512 513 this.$element.toggleClass(this.settings.rtlClass, this.settings.rtl); 514 515 if (this.settings.autoWidth && !this.is('pre-loading')) { 516 var imgs, nestedSelector, width; 517 imgs = this.$element.find('img'); 518 nestedSelector = this.settings.nestedItemSelector ? '.' + this.settings.nestedItemSelector : undefined; 519 width = this.$element.children(nestedSelector).width(); 520 521 if (imgs.length && width <= 0) { 522 this.preloadAutoWidthImages(imgs); 523 } 524 } 525 526 this.initializeStage(); 527 this.initializeItems(); 528 529 // register event handlers 530 this.registerEventHandlers(); 531 532 this.leave('initializing'); 533 this.trigger('initialized'); 534 }; 535 536 /** 537 * @returns {Boolean} visibility of $element 538 * if you know the carousel will always be visible you can set `checkVisibility` to `false` to 539 * prevent the expensive browser layout forced reflow the $element.is(':visible') does 540 */ 541 Owl.prototype.isVisible = function() { 542 return this.settings.checkVisibility 543 ? this.$element.is(':visible') 544 : true; 545 }; 546 547 /** 548 * Setups the current settings. 549 * @todo Remove responsive classes. Why should adaptive designs be brought into IE8? 550 * @todo Support for media queries by using `matchMedia` would be nice. 551 * @public 552 */ 553 Owl.prototype.setup = function() { 554 var viewport = this.viewport(), 555 overwrites = this.options.responsive, 556 match = -1, 557 settings = null; 558 559 if (!overwrites) { 560 settings = $.extend({}, this.options); 561 } else { 562 $.each(overwrites, function(breakpoint) { 563 if (breakpoint <= viewport && breakpoint > match) { 564 match = Number(breakpoint); 565 } 566 }); 567 568 settings = $.extend({}, this.options, overwrites[match]); 569 if (typeof settings.stagePadding === 'function') { 570 settings.stagePadding = settings.stagePadding(); 571 } 572 delete settings.responsive; 573 574 // responsive class 575 if (settings.responsiveClass) { 576 this.$element.attr('class', 577 this.$element.attr('class').replace(new RegExp('(' + this.options.responsiveClass + '-)\\S+\\s', 'g'), '$1' + match) 578 ); 579 } 580 } 581 582 this.trigger('change', { property: { name: 'settings', value: settings } }); 583 this._breakpoint = match; 584 this.settings = settings; 585 this.invalidate('settings'); 586 this.trigger('changed', { property: { name: 'settings', value: this.settings } }); 587 }; 588 589 /** 590 * Updates option logic if necessery. 591 * @protected 592 */ 593 Owl.prototype.optionsLogic = function() { 594 if (this.settings.autoWidth) { 595 this.settings.stagePadding = false; 596 this.settings.merge = false; 597 } 598 }; 599 600 /** 601 * Prepares an item before add. 602 * @todo Rename event parameter `content` to `item`. 603 * @protected 604 * @returns {jQuery|HTMLElement} - The item container. 605 */ 606 Owl.prototype.prepare = function(item) { 607 var event = this.trigger('prepare', { content: item }); 608 609 if (!event.data) { 610 event.data = $('<' + this.settings.itemElement + '/>') 611 .addClass(this.options.itemClass).append(item) 612 } 613 614 this.trigger('prepared', { content: event.data }); 615 616 return event.data; 617 }; 618 619 /** 620 * Updates the view. 621 * @public 622 */ 623 Owl.prototype.update = function() { 624 var i = 0, 625 n = this._pipe.length, 626 filter = $.proxy(function(p) { return this[p] }, this._invalidated), 627 cache = {}; 628 629 while (i < n) { 630 if (this._invalidated.all || $.grep(this._pipe[i].filter, filter).length > 0) { 631 this._pipe[i].run(cache); 632 } 633 i++; 634 } 635 636 this._invalidated = {}; 637 638 !this.is('valid') && this.enter('valid'); 639 }; 640 641 /** 642 * Gets the width of the view. 643 * @public 644 * @param {Owl.Width} [dimension=Owl.Width.Default] - The dimension to return. 645 * @returns {Number} - The width of the view in pixel. 646 */ 647 Owl.prototype.width = function(dimension) { 648 dimension = dimension || Owl.Width.Default; 649 switch (dimension) { 650 case Owl.Width.Inner: 651 case Owl.Width.Outer: 652 return this._width; 653 default: 654 return this._width - this.settings.stagePadding * 2 + this.settings.margin; 655 } 656 }; 657 658 /** 659 * Refreshes the carousel primarily for adaptive purposes. 660 * @public 661 */ 662 Owl.prototype.refresh = function() { 663 this.enter('refreshing'); 664 this.trigger('refresh'); 665 666 this.setup(); 667 668 this.optionsLogic(); 669 670 this.$element.addClass(this.options.refreshClass); 671 672 this.update(); 673 674 this.$element.removeClass(this.options.refreshClass); 675 676 this.leave('refreshing'); 677 this.trigger('refreshed'); 678 }; 679 680 /** 681 * Checks window `resize` event. 682 * @protected 683 */ 684 Owl.prototype.onThrottledResize = function() { 685 window.clearTimeout(this.resizeTimer); 686 this.resizeTimer = window.setTimeout(this._handlers.onResize, this.settings.responsiveRefreshRate); 687 }; 688 689 /** 690 * Checks window `resize` event. 691 * @protected 692 */ 693 Owl.prototype.onResize = function() { 694 if (!this._items.length) { 695 return false; 696 } 697 698 if (this._width === this.$element.width()) { 699 return false; 700 } 701 702 if (!this.isVisible()) { 703 return false; 704 } 705 706 this.enter('resizing'); 707 708 if (this.trigger('resize').isDefaultPrevented()) { 709 this.leave('resizing'); 710 return false; 711 } 712 713 this.invalidate('width'); 714 715 this.refresh(); 716 717 this.leave('resizing'); 718 this.trigger('resized'); 719 }; 720 721 /** 722 * Registers event handlers. 723 * @todo Check `msPointerEnabled` 724 * @todo #261 725 * @protected 726 */ 727 Owl.prototype.registerEventHandlers = function() { 728 if ($.support.transition) { 729 this.$stage.on($.support.transition.end + '.owl.core', $.proxy(this.onTransitionEnd, this)); 730 } 731 732 if (this.settings.responsive !== false) { 733 this.on(window, 'resize', this._handlers.onThrottledResize); 734 } 735 736 if (this.settings.mouseDrag) { 737 this.$element.addClass(this.options.dragClass); 738 this.$stage.on('mousedown.owl.core', $.proxy(this.onDragStart, this)); 739 this.$stage.on('dragstart.owl.core selectstart.owl.core', function() { return false }); 740 } 741 742 if (this.settings.touchDrag){ 743 this.$stage.on('touchstart.owl.core', $.proxy(this.onDragStart, this)); 744 this.$stage.on('touchcancel.owl.core', $.proxy(this.onDragEnd, this)); 745 } 746 }; 747 748 /** 749 * Handles `touchstart` and `mousedown` events. 750 * @todo Horizontal swipe threshold as option 751 * @todo #261 752 * @protected 753 * @param {Event} event - The event arguments. 754 */ 755 Owl.prototype.onDragStart = function(event) { 756 var stage = null; 757 758 if (event.which === 3) { 759 return; 760 } 761 762 if ($.support.transform) { 763 stage = this.$stage.css('transform').replace(/.*\(|\)| /g, '').split(','); 764 stage = { 765 x: stage[stage.length === 16 ? 12 : 4], 766 y: stage[stage.length === 16 ? 13 : 5] 767 }; 768 } else { 769 stage = this.$stage.position(); 770 stage = { 771 x: this.settings.rtl ? 772 stage.left + this.$stage.width() - this.width() + this.settings.margin : 773 stage.left, 774 y: stage.top 775 }; 776 } 777 778 if (this.is('animating')) { 779 $.support.transform ? this.animate(stage.x) : this.$stage.stop() 780 this.invalidate('position'); 781 } 782 783 this.$element.toggleClass(this.options.grabClass, event.type === 'mousedown'); 784 785 this.speed(0); 786 787 this._drag.time = new Date().getTime(); 788 this._drag.target = $(event.target); 789 this._drag.stage.start = stage; 790 this._drag.stage.current = stage; 791 this._drag.pointer = this.pointer(event); 792 793 $(document).on('mouseup.owl.core touchend.owl.core', $.proxy(this.onDragEnd, this)); 794 795 $(document).one('mousemove.owl.core touchmove.owl.core', $.proxy(function(event) { 796 var delta = this.difference(this._drag.pointer, this.pointer(event)); 797 798 $(document).on('mousemove.owl.core touchmove.owl.core', $.proxy(this.onDragMove, this)); 799 800 if (Math.abs(delta.x) < Math.abs(delta.y) && this.is('valid')) { 801 return; 802 } 803 804 event.preventDefault(); 805 806 this.enter('dragging'); 807 this.trigger('drag'); 808 }, this)); 809 }; 810 811 /** 812 * Handles the `touchmove` and `mousemove` events. 813 * @todo #261 814 * @protected 815 * @param {Event} event - The event arguments. 816 */ 817 Owl.prototype.onDragMove = function(event) { 818 var minimum = null, 819 maximum = null, 820 pull = null, 821 delta = this.difference(this._drag.pointer, this.pointer(event)), 822 stage = this.difference(this._drag.stage.start, delta); 823 824 if (!this.is('dragging')) { 825 return; 826 } 827 828 event.preventDefault(); 829 830 if (this.settings.loop) { 831 minimum = this.coordinates(this.minimum()); 832 maximum = this.coordinates(this.maximum() + 1) - minimum; 833 stage.x = (((stage.x - minimum) % maximum + maximum) % maximum) + minimum; 834 } else { 835 minimum = this.settings.rtl ? this.coordinates(this.maximum()) : this.coordinates(this.minimum()); 836 maximum = this.settings.rtl ? this.coordinates(this.minimum()) : this.coordinates(this.maximum()); 837 pull = this.settings.pullDrag ? -1 * delta.x / 5 : 0; 838 stage.x = Math.max(Math.min(stage.x, minimum + pull), maximum + pull); 839 } 840 841 this._drag.stage.current = stage; 842 843 this.animate(stage.x); 844 }; 845 846 /** 847 * Handles the `touchend` and `mouseup` events. 848 * @todo #261 849 * @todo Threshold for click event 850 * @protected 851 * @param {Event} event - The event arguments. 852 */ 853 Owl.prototype.onDragEnd = function(event) { 854 var delta = this.difference(this._drag.pointer, this.pointer(event)), 855 stage = this._drag.stage.current, 856 direction = delta.x > 0 ^ this.settings.rtl ? 'left' : 'right'; 857 858 $(document).off('.owl.core'); 859 860 this.$element.removeClass(this.options.grabClass); 861 862 if (delta.x !== 0 && this.is('dragging') || !this.is('valid')) { 863 this.speed(this.settings.dragEndSpeed || this.settings.smartSpeed); 864 this.current(this.closest(stage.x, delta.x !== 0 ? direction : this._drag.direction)); 865 this.invalidate('position'); 866 this.update(); 867 868 this._drag.direction = direction; 869 870 if (Math.abs(delta.x) > 3 || new Date().getTime() - this._drag.time > 300) { 871 this._drag.target.one('click.owl.core', function() { return false; }); 872 } 873 } 874 875 if (!this.is('dragging')) { 876 return; 877 } 878 879 this.leave('dragging'); 880 this.trigger('dragged'); 881 }; 882 883 /** 884 * Gets absolute position of the closest item for a coordinate. 885 * @todo Setting `freeDrag` makes `closest` not reusable. See #165. 886 * @protected 887 * @param {Number} coordinate - The coordinate in pixel. 888 * @param {String} direction - The direction to check for the closest item. Ether `left` or `right`. 889 * @return {Number} - The absolute position of the closest item. 890 */ 891 Owl.prototype.closest = function(coordinate, direction) { 892 var position = -1, 893 pull = 30, 894 width = this.width(), 895 coordinates = this.coordinates(); 896 897 if (!this.settings.freeDrag) { 898 // check closest item 899 $.each(coordinates, $.proxy(function(index, value) { 900 // on a left pull, check on current index 901 if (direction === 'left' && coordinate > value - pull && coordinate < value + pull) { 902 position = index; 903 // on a right pull, check on previous index 904 // to do so, subtract width from value and set position = index + 1 905 } else if (direction === 'right' && coordinate > value - width - pull && coordinate < value - width + pull) { 906 position = index + 1; 907 } else if (this.op(coordinate, '<', value) 908 && this.op(coordinate, '>', coordinates[index + 1] !== undefined ? coordinates[index + 1] : value - width)) { 909 position = direction === 'left' ? index + 1 : index; 910 } 911 return position === -1; 912 }, this)); 913 } 914 915 if (!this.settings.loop) { 916 // non loop boundries 917 if (this.op(coordinate, '>', coordinates[this.minimum()])) { 918 position = coordinate = this.minimum(); 919 } else if (this.op(coordinate, '<', coordinates[this.maximum()])) { 920 position = coordinate = this.maximum(); 921 } 922 } 923 924 return position; 925 }; 926 927 /** 928 * Animates the stage. 929 * @todo #270 930 * @public 931 * @param {Number} coordinate - The coordinate in pixels. 932 */ 933 Owl.prototype.animate = function(coordinate) { 934 var animate = this.speed() > 0; 935 936 this.is('animating') && this.onTransitionEnd(); 937 938 if (animate) { 939 this.enter('animating'); 940 this.trigger('translate'); 941 } 942 943 if ($.support.transform3d && $.support.transition) { 944 this.$stage.css({ 945 transform: 'translate3d(' + coordinate + 'px,0px,0px)', 946 transition: (this.speed() / 1000) + 's' + ( 947 this.settings.slideTransition ? ' ' + this.settings.slideTransition : '' 948 ) 949 }); 950 } else if (animate) { 951 this.$stage.animate({ 952 left: coordinate + 'px' 953 }, this.speed(), this.settings.fallbackEasing, $.proxy(this.onTransitionEnd, this)); 954 } else { 955 this.$stage.css({ 956 left: coordinate + 'px' 957 }); 958 } 959 }; 960 961 /** 962 * Checks whether the carousel is in a specific state or not. 963 * @param {String} state - The state to check. 964 * @returns {Boolean} - The flag which indicates if the carousel is busy. 965 */ 966 Owl.prototype.is = function(state) { 967 return this._states.current[state] && this._states.current[state] > 0; 968 }; 969 970 /** 971 * Sets the absolute position of the current item. 972 * @public 973 * @param {Number} [position] - The new absolute position or nothing to leave it unchanged. 974 * @returns {Number} - The absolute position of the current item. 975 */ 976 Owl.prototype.current = function(position) { 977 if (position === undefined) { 978 return this._current; 979 } 980 981 if (this._items.length === 0) { 982 return undefined; 983 } 984 985 position = this.normalize(position); 986 987 if (this._current !== position) { 988 var event = this.trigger('change', { property: { name: 'position', value: position } }); 989 990 if (event.data !== undefined) { 991 position = this.normalize(event.data); 992 } 993 994 this._current = position; 995 996 this.invalidate('position'); 997 998 this.trigger('changed', { property: { name: 'position', value: this._current } }); 999 } 1000 1001 return this._current; 1002 }; 1003 1004 /** 1005 * Invalidates the given part of the update routine. 1006 * @param {String} [part] - The part to invalidate. 1007 * @returns {Array.<String>} - The invalidated parts. 1008 */ 1009 Owl.prototype.invalidate = function(part) { 1010 if ($.type(part) === 'string') { 1011 this._invalidated[part] = true; 1012 this.is('valid') && this.leave('valid'); 1013 } 1014 return $.map(this._invalidated, function(v, i) { return i }); 1015 }; 1016 1017 /** 1018 * Resets the absolute position of the current item. 1019 * @public 1020 * @param {Number} position - The absolute position of the new item. 1021 */ 1022 Owl.prototype.reset = function(position) { 1023 position = this.normalize(position); 1024 1025 if (position === undefined) { 1026 return; 1027 } 1028 1029 this._speed = 0; 1030 this._current = position; 1031 1032 this.suppress([ 'translate', 'translated' ]); 1033 1034 this.animate(this.coordinates(position)); 1035 1036 this.release([ 'translate', 'translated' ]); 1037 }; 1038 1039 /** 1040 * Normalizes an absolute or a relative position of an item. 1041 * @public 1042 * @param {Number} position - The absolute or relative position to normalize. 1043 * @param {Boolean} [relative=false] - Whether the given position is relative or not. 1044 * @returns {Number} - The normalized position. 1045 */ 1046 Owl.prototype.normalize = function(position, relative) { 1047 var n = this._items.length, 1048 m = relative ? 0 : this._clones.length; 1049 1050 if (!this.isNumeric(position) || n < 1) { 1051 position = undefined; 1052 } else if (position < 0 || position >= n + m) { 1053 position = ((position - m / 2) % n + n) % n + m / 2; 1054 } 1055 1056 return position; 1057 }; 1058 1059 /** 1060 * Converts an absolute position of an item into a relative one. 1061 * @public 1062 * @param {Number} position - The absolute position to convert. 1063 * @returns {Number} - The converted position. 1064 */ 1065 Owl.prototype.relative = function(position) { 1066 position -= this._clones.length / 2; 1067 return this.normalize(position, true); 1068 }; 1069 1070 /** 1071 * Gets the maximum position for the current item. 1072 * @public 1073 * @param {Boolean} [relative=false] - Whether to return an absolute position or a relative position. 1074 * @returns {Number} 1075 */ 1076 Owl.prototype.maximum = function(relative) { 1077 var settings = this.settings, 1078 maximum = this._coordinates.length, 1079 iterator, 1080 reciprocalItemsWidth, 1081 elementWidth; 1082 1083 if (settings.loop) { 1084 maximum = this._clones.length / 2 + this._items.length - 1; 1085 } else if (settings.autoWidth || settings.merge) { 1086 iterator = this._items.length; 1087 if (iterator) { 1088 reciprocalItemsWidth = this._items[--iterator].width(); 1089 elementWidth = this.$element.width(); 1090 while (iterator--) { 1091 reciprocalItemsWidth += this._items[iterator].width() + this.settings.margin; 1092 if (reciprocalItemsWidth > elementWidth) { 1093 break; 1094 } 1095 } 1096 } 1097 maximum = iterator + 1; 1098 } else if (settings.center) { 1099 maximum = this._items.length - 1; 1100 } else { 1101 maximum = this._items.length - settings.items; 1102 } 1103 1104 if (relative) { 1105 maximum -= this._clones.length / 2; 1106 } 1107 1108 return Math.max(maximum, 0); 1109 }; 1110 1111 /** 1112 * Gets the minimum position for the current item. 1113 * @public 1114 * @param {Boolean} [relative=false] - Whether to return an absolute position or a relative position. 1115 * @returns {Number} 1116 */ 1117 Owl.prototype.minimum = function(relative) { 1118 return relative ? 0 : this._clones.length / 2; 1119 }; 1120 1121 /** 1122 * Gets an item at the specified relative position. 1123 * @public 1124 * @param {Number} [position] - The relative position of the item. 1125 * @return {jQuery|Array.<jQuery>} - The item at the given position or all items if no position was given. 1126 */ 1127 Owl.prototype.items = function(position) { 1128 if (position === undefined) { 1129 return this._items.slice(); 1130 } 1131 1132 position = this.normalize(position, true); 1133 return this._items[position]; 1134 }; 1135 1136 /** 1137 * Gets an item at the specified relative position. 1138 * @public 1139 * @param {Number} [position] - The relative position of the item. 1140 * @return {jQuery|Array.<jQuery>} - The item at the given position or all items if no position was given. 1141 */ 1142 Owl.prototype.mergers = function(position) { 1143 if (position === undefined) { 1144 return this._mergers.slice(); 1145 } 1146 1147 position = this.normalize(position, true); 1148 return this._mergers[position]; 1149 }; 1150 1151 /** 1152 * Gets the absolute positions of clones for an item. 1153 * @public 1154 * @param {Number} [position] - The relative position of the item. 1155 * @returns {Array.<Number>} - The absolute positions of clones for the item or all if no position was given. 1156 */ 1157 Owl.prototype.clones = function(position) { 1158 var odd = this._clones.length / 2, 1159 even = odd + this._items.length, 1160 map = function(index) { return index % 2 === 0 ? even + index / 2 : odd - (index + 1) / 2 }; 1161 1162 if (position === undefined) { 1163 return $.map(this._clones, function(v, i) { return map(i) }); 1164 } 1165 1166 return $.map(this._clones, function(v, i) { return v === position ? map(i) : null }); 1167 }; 1168 1169 /** 1170 * Sets the current animation speed. 1171 * @public 1172 * @param {Number} [speed] - The animation speed in milliseconds or nothing to leave it unchanged. 1173 * @returns {Number} - The current animation speed in milliseconds. 1174 */ 1175 Owl.prototype.speed = function(speed) { 1176 if (speed !== undefined) { 1177 this._speed = speed; 1178 } 1179 1180 return this._speed; 1181 }; 1182 1183 /** 1184 * Gets the coordinate of an item. 1185 * @todo The name of this method is missleanding. 1186 * @public 1187 * @param {Number} position - The absolute position of the item within `minimum()` and `maximum()`. 1188 * @returns {Number|Array.<Number>} - The coordinate of the item in pixel or all coordinates. 1189 */ 1190 Owl.prototype.coordinates = function(position) { 1191 var multiplier = 1, 1192 newPosition = position - 1, 1193 coordinate; 1194 1195 if (position === undefined) { 1196 return $.map(this._coordinates, $.proxy(function(coordinate, index) { 1197 return this.coordinates(index); 1198 }, this)); 1199 } 1200 1201 if (this.settings.center) { 1202 if (this.settings.rtl) { 1203 multiplier = -1; 1204 newPosition = position + 1; 1205 } 1206 1207 coordinate = this._coordinates[position]; 1208 coordinate += (this.width() - coordinate + (this._coordinates[newPosition] || 0)) / 2 * multiplier; 1209 } else { 1210 coordinate = this._coordinates[newPosition] || 0; 1211 } 1212 1213 coordinate = Math.ceil(coordinate); 1214 1215 return coordinate; 1216 }; 1217 1218 /** 1219 * Calculates the speed for a translation. 1220 * @protected 1221 * @param {Number} from - The absolute position of the start item. 1222 * @param {Number} to - The absolute position of the target item. 1223 * @param {Number} [factor=undefined] - The time factor in milliseconds. 1224 * @returns {Number} - The time in milliseconds for the translation. 1225 */ 1226 Owl.prototype.duration = function(from, to, factor) { 1227 if (factor === 0) { 1228 return 0; 1229 } 1230 1231 return Math.min(Math.max(Math.abs(to - from), 1), 6) * Math.abs((factor || this.settings.smartSpeed)); 1232 }; 1233 1234 /** 1235 * Slides to the specified item. 1236 * @public 1237 * @param {Number} position - The position of the item. 1238 * @param {Number} [speed] - The time in milliseconds for the transition. 1239 */ 1240 Owl.prototype.to = function(position, speed) { 1241 var current = this.current(), 1242 revert = null, 1243 distance = position - this.relative(current), 1244 direction = (distance > 0) - (distance < 0), 1245 items = this._items.length, 1246 minimum = this.minimum(), 1247 maximum = this.maximum(); 1248 1249 if (this.settings.loop) { 1250 if (!this.settings.rewind && Math.abs(distance) > items / 2) { 1251 distance += direction * -1 * items; 1252 } 1253 1254 position = current + distance; 1255 revert = ((position - minimum) % items + items) % items + minimum; 1256 1257 if (revert !== position && revert - distance <= maximum && revert - distance > 0) { 1258 current = revert - distance; 1259 position = revert; 1260 this.reset(current); 1261 } 1262 } else if (this.settings.rewind) { 1263 maximum += 1; 1264 position = (position % maximum + maximum) % maximum; 1265 } else { 1266 position = Math.max(minimum, Math.min(maximum, position)); 1267 } 1268 1269 this.speed(this.duration(current, position, speed)); 1270 this.current(position); 1271 1272 if (this.isVisible()) { 1273 this.update(); 1274 } 1275 }; 1276 1277 /** 1278 * Slides to the next item. 1279 * @public 1280 * @param {Number} [speed] - The time in milliseconds for the transition. 1281 */ 1282 Owl.prototype.next = function(speed) { 1283 speed = speed || false; 1284 this.to(this.relative(this.current()) + 1, speed); 1285 }; 1286 1287 /** 1288 * Slides to the previous item. 1289 * @public 1290 * @param {Number} [speed] - The time in milliseconds for the transition. 1291 */ 1292 Owl.prototype.prev = function(speed) { 1293 speed = speed || false; 1294 this.to(this.relative(this.current()) - 1, speed); 1295 }; 1296 1297 /** 1298 * Handles the end of an animation. 1299 * @protected 1300 * @param {Event} event - The event arguments. 1301 */ 1302 Owl.prototype.onTransitionEnd = function(event) { 1303 1304 // if css2 animation then event object is undefined 1305 if (event !== undefined) { 1306 event.stopPropagation(); 1307 1308 // Catch only owl-stage transitionEnd event 1309 if ((event.target || event.srcElement || event.originalTarget) !== this.$stage.get(0)) { 1310 return false; 1311 } 1312 } 1313 1314 this.leave('animating'); 1315 this.trigger('translated'); 1316 }; 1317 1318 /** 1319 * Gets viewport width. 1320 * @protected 1321 * @return {Number} - The width in pixel. 1322 */ 1323 Owl.prototype.viewport = function() { 1324 var width; 1325 if (this.options.responsiveBaseElement !== window) { 1326 width = $(this.options.responsiveBaseElement).width(); 1327 } else if (window.innerWidth) { 1328 width = window.innerWidth; 1329 } else if (document.documentElement && document.documentElement.clientWidth) { 1330 width = document.documentElement.clientWidth; 1331 } else { 1332 console.warn('Can not detect viewport width.'); 1333 } 1334 return width; 1335 }; 1336 1337 /** 1338 * Replaces the current content. 1339 * @public 1340 * @param {HTMLElement|jQuery|String} content - The new content. 1341 */ 1342 Owl.prototype.replace = function(content) { 1343 this.$stage.empty(); 1344 this._items = []; 1345 1346 if (content) { 1347 content = (content instanceof jQuery) ? content : $(content); 1348 } 1349 1350 if (this.settings.nestedItemSelector) { 1351 content = content.find('.' + this.settings.nestedItemSelector); 1352 } 1353 1354 content.filter(function() { 1355 return this.nodeType === 1; 1356 }).each($.proxy(function(index, item) { 1357 item = this.prepare(item); 1358 this.$stage.append(item); 1359 this._items.push(item); 1360 this._mergers.push(item.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1); 1361 }, this)); 1362 1363 this.reset(this.isNumeric(this.settings.startPosition) ? this.settings.startPosition : 0); 1364 1365 this.invalidate('items'); 1366 }; 1367 1368 /** 1369 * Adds an item. 1370 * @todo Use `item` instead of `content` for the event arguments. 1371 * @public 1372 * @param {HTMLElement|jQuery|String} content - The item content to add. 1373 * @param {Number} [position] - The relative position at which to insert the item otherwise the item will be added to the end. 1374 */ 1375 Owl.prototype.add = function(content, position) { 1376 var current = this.relative(this._current); 1377 1378 position = position === undefined ? this._items.length : this.normalize(position, true); 1379 content = content instanceof jQuery ? content : $(content); 1380 1381 this.trigger('add', { content: content, position: position }); 1382 1383 content = this.prepare(content); 1384 1385 if (this._items.length === 0 || position === this._items.length) { 1386 this._items.length === 0 && this.$stage.append(content); 1387 this._items.length !== 0 && this._items[position - 1].after(content); 1388 this._items.push(content); 1389 this._mergers.push(content.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1); 1390 } else { 1391 this._items[position].before(content); 1392 this._items.splice(position, 0, content); 1393 this._mergers.splice(position, 0, content.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1); 1394 } 1395 1396 this._items[current] && this.reset(this._items[current].index()); 1397 1398 this.invalidate('items'); 1399 1400 this.trigger('added', { content: content, position: position }); 1401 }; 1402 1403 /** 1404 * Removes an item by its position. 1405 * @todo Use `item` instead of `content` for the event arguments. 1406 * @public 1407 * @param {Number} position - The relative position of the item to remove. 1408 */ 1409 Owl.prototype.remove = function(position) { 1410 position = this.normalize(position, true); 1411 1412 if (position === undefined) { 1413 return; 1414 } 1415 1416 this.trigger('remove', { content: this._items[position], position: position }); 1417 1418 this._items[position].remove(); 1419 this._items.splice(position, 1); 1420 this._mergers.splice(position, 1); 1421 1422 this.invalidate('items'); 1423 1424 this.trigger('removed', { content: null, position: position }); 1425 }; 1426 1427 /** 1428 * Preloads images with auto width. 1429 * @todo Replace by a more generic approach 1430 * @protected 1431 */ 1432 Owl.prototype.preloadAutoWidthImages = function(images) { 1433 images.each($.proxy(function(i, element) { 1434 this.enter('pre-loading'); 1435 element = $(element); 1436 $(new Image()).one('load', $.proxy(function(e) { 1437 element.attr('src', e.target.src); 1438 element.css('opacity', 1); 1439 this.leave('pre-loading'); 1440 !this.is('pre-loading') && !this.is('initializing') && this.refresh(); 1441 }, this)).attr('src', element.attr('src') || element.attr('data-src') || element.attr('data-src-retina')); 1442 }, this)); 1443 }; 1444 1445 /** 1446 * Destroys the carousel. 1447 * @public 1448 */ 1449 Owl.prototype.destroy = function() { 1450 1451 this.$element.off('.owl.core'); 1452 this.$stage.off('.owl.core'); 1453 $(document).off('.owl.core'); 1454 1455 if (this.settings.responsive !== false) { 1456 window.clearTimeout(this.resizeTimer); 1457 this.off(window, 'resize', this._handlers.onThrottledResize); 1458 } 1459 1460 for (var i in this._plugins) { 1461 this._plugins[i].destroy(); 1462 } 1463 1464 this.$stage.children('.cloned').remove(); 1465 1466 this.$stage.unwrap(); 1467 this.$stage.children().contents().unwrap(); 1468 this.$stage.children().unwrap(); 1469 this.$stage.remove(); 1470 this.$element 1471 .removeClass(this.options.refreshClass) 1472 .removeClass(this.options.loadingClass) 1473 .removeClass(this.options.loadedClass) 1474 .removeClass(this.options.rtlClass) 1475 .removeClass(this.options.dragClass) 1476 .removeClass(this.options.grabClass) 1477 .attr('class', this.$element.attr('class').replace(new RegExp(this.options.responsiveClass + '-\\S+\\s', 'g'), '')) 1478 .removeData('owl.carousel'); 1479 }; 1480 1481 /** 1482 * Operators to calculate right-to-left and left-to-right. 1483 * @protected 1484 * @param {Number} [a] - The left side operand. 1485 * @param {String} [o] - The operator. 1486 * @param {Number} [b] - The right side operand. 1487 */ 1488 Owl.prototype.op = function(a, o, b) { 1489 var rtl = this.settings.rtl; 1490 switch (o) { 1491 case '<': 1492 return rtl ? a > b : a < b; 1493 case '>': 1494 return rtl ? a < b : a > b; 1495 case '>=': 1496 return rtl ? a <= b : a >= b; 1497 case '<=': 1498 return rtl ? a >= b : a <= b; 1499 default: 1500 break; 1501 } 1502 }; 1503 1504 /** 1505 * Attaches to an internal event. 1506 * @protected 1507 * @param {HTMLElement} element - The event source. 1508 * @param {String} event - The event name. 1509 * @param {Function} listener - The event handler to attach. 1510 * @param {Boolean} capture - Wether the event should be handled at the capturing phase or not. 1511 */ 1512 Owl.prototype.on = function(element, event, listener, capture) { 1513 if (element.addEventListener) { 1514 element.addEventListener(event, listener, capture); 1515 } else if (element.attachEvent) { 1516 element.attachEvent('on' + event, listener); 1517 } 1518 }; 1519 1520 /** 1521 * Detaches from an internal event. 1522 * @protected 1523 * @param {HTMLElement} element - The event source. 1524 * @param {String} event - The event name. 1525 * @param {Function} listener - The attached event handler to detach. 1526 * @param {Boolean} capture - Wether the attached event handler was registered as a capturing listener or not. 1527 */ 1528 Owl.prototype.off = function(element, event, listener, capture) { 1529 if (element.removeEventListener) { 1530 element.removeEventListener(event, listener, capture); 1531 } else if (element.detachEvent) { 1532 element.detachEvent('on' + event, listener); 1533 } 1534 }; 1535 1536 /** 1537 * Triggers a public event. 1538 * @todo Remove `status`, `relatedTarget` should be used instead. 1539 * @protected 1540 * @param {String} name - The event name. 1541 * @param {*} [data=null] - The event data. 1542 * @param {String} [namespace=carousel] - The event namespace. 1543 * @param {String} [state] - The state which is associated with the event. 1544 * @param {Boolean} [enter=false] - Indicates if the call enters the specified state or not. 1545 * @returns {Event} - The event arguments. 1546 */ 1547 Owl.prototype.trigger = function(name, data, namespace, state, enter) { 1548 var status = { 1549 item: { count: this._items.length, index: this.current() } 1550 }, handler = $.camelCase( 1551 $.grep([ 'on', name, namespace ], function(v) { return v }) 1552 .join('-').toLowerCase() 1553 ), event = $.Event( 1554 [ name, 'owl', namespace || 'carousel' ].join('.').toLowerCase(), 1555 $.extend({ relatedTarget: this }, status, data) 1556 ); 1557 1558 if (!this._supress[name]) { 1559 $.each(this._plugins, function(name, plugin) { 1560 if (plugin.onTrigger) { 1561 plugin.onTrigger(event); 1562 } 1563 }); 1564 1565 this.register({ type: Owl.Type.Event, name: name }); 1566 this.$element.trigger(event); 1567 1568 if (this.settings && typeof this.settings[handler] === 'function') { 1569 this.settings[handler].call(this, event); 1570 } 1571 } 1572 1573 return event; 1574 }; 1575 1576 /** 1577 * Enters a state. 1578 * @param name - The state name. 1579 */ 1580 Owl.prototype.enter = function(name) { 1581 $.each([ name ].concat(this._states.tags[name] || []), $.proxy(function(i, name) { 1582 if (this._states.current[name] === undefined) { 1583 this._states.current[name] = 0; 1584 } 1585 1586 this._states.current[name]++; 1587 }, this)); 1588 }; 1589 1590 /** 1591 * Leaves a state. 1592 * @param name - The state name. 1593 */ 1594 Owl.prototype.leave = function(name) { 1595 $.each([ name ].concat(this._states.tags[name] || []), $.proxy(function(i, name) { 1596 this._states.current[name]--; 1597 }, this)); 1598 }; 1599 1600 /** 1601 * Registers an event or state. 1602 * @public 1603 * @param {Object} object - The event or state to register. 1604 */ 1605 Owl.prototype.register = function(object) { 1606 if (object.type === Owl.Type.Event) { 1607 if (!$.event.special[object.name]) { 1608 $.event.special[object.name] = {}; 1609 } 1610 1611 if (!$.event.special[object.name].owl) { 1612 var _default = $.event.special[object.name]._default; 1613 $.event.special[object.name]._default = function(e) { 1614 if (_default && _default.apply && (!e.namespace || e.namespace.indexOf('owl') === -1)) { 1615 return _default.apply(this, arguments); 1616 } 1617 return e.namespace && e.namespace.indexOf('owl') > -1; 1618 }; 1619 $.event.special[object.name].owl = true; 1620 } 1621 } else if (object.type === Owl.Type.State) { 1622 if (!this._states.tags[object.name]) { 1623 this._states.tags[object.name] = object.tags; 1624 } else { 1625 this._states.tags[object.name] = this._states.tags[object.name].concat(object.tags); 1626 } 1627 1628 this._states.tags[object.name] = $.grep(this._states.tags[object.name], $.proxy(function(tag, i) { 1629 return $.inArray(tag, this._states.tags[object.name]) === i; 1630 }, this)); 1631 } 1632 }; 1633 1634 /** 1635 * Suppresses events. 1636 * @protected 1637 * @param {Array.<String>} events - The events to suppress. 1638 */ 1639 Owl.prototype.suppress = function(events) { 1640 $.each(events, $.proxy(function(index, event) { 1641 this._supress[event] = true; 1642 }, this)); 1643 }; 1644 1645 /** 1646 * Releases suppressed events. 1647 * @protected 1648 * @param {Array.<String>} events - The events to release. 1649 */ 1650 Owl.prototype.release = function(events) { 1651 $.each(events, $.proxy(function(index, event) { 1652 delete this._supress[event]; 1653 }, this)); 1654 }; 1655 1656 /** 1657 * Gets unified pointer coordinates from event. 1658 * @todo #261 1659 * @protected 1660 * @param {Event} - The `mousedown` or `touchstart` event. 1661 * @returns {Object} - Contains `x` and `y` coordinates of current pointer position. 1662 */ 1663 Owl.prototype.pointer = function(event) { 1664 var result = { x: null, y: null }; 1665 1666 event = event.originalEvent || event || window.event; 1667 1668 event = event.touches && event.touches.length ? 1669 event.touches[0] : event.changedTouches && event.changedTouches.length ? 1670 event.changedTouches[0] : event; 1671 1672 if (event.pageX) { 1673 result.x = event.pageX; 1674 result.y = event.pageY; 1675 } else { 1676 result.x = event.clientX; 1677 result.y = event.clientY; 1678 } 1679 1680 return result; 1681 }; 1682 1683 /** 1684 * Determines if the input is a Number or something that can be coerced to a Number 1685 * @protected 1686 * @param {Number|String|Object|Array|Boolean|RegExp|Function|Symbol} - The input to be tested 1687 * @returns {Boolean} - An indication if the input is a Number or can be coerced to a Number 1688 */ 1689 Owl.prototype.isNumeric = function(number) { 1690 return !isNaN(parseFloat(number)); 1691 }; 1692 1693 /** 1694 * Gets the difference of two vectors. 1695 * @todo #261 1696 * @protected 1697 * @param {Object} - The first vector. 1698 * @param {Object} - The second vector. 1699 * @returns {Object} - The difference. 1700 */ 1701 Owl.prototype.difference = function(first, second) { 1702 return { 1703 x: first.x - second.x, 1704 y: first.y - second.y 1705 }; 1706 }; 1707 1708 /** 1709 * The jQuery Plugin for the Owl Carousel 1710 * @todo Navigation plugin `next` and `prev` 1711 * @public 1712 */ 1713 $.fn.owlCarousel = function(option) { 1714 var args = Array.prototype.slice.call(arguments, 1); 1715 1716 return this.each(function() { 1717 var $this = $(this), 1718 data = $this.data('owl.carousel'); 1719 1720 if (!data) { 1721 data = new Owl(this, typeof option == 'object' && option); 1722 $this.data('owl.carousel', data); 1723 1724 $.each([ 1725 'next', 'prev', 'to', 'destroy', 'refresh', 'replace', 'add', 'remove' 1726 ], function(i, event) { 1727 data.register({ type: Owl.Type.Event, name: event }); 1728 data.$element.on(event + '.owl.carousel.core', $.proxy(function(e) { 1729 if (e.namespace && e.relatedTarget !== this) { 1730 this.suppress([ event ]); 1731 data[event].apply(this, [].slice.call(arguments, 1)); 1732 this.release([ event ]); 1733 } 1734 }, data)); 1735 }); 1736 } 1737 1738 if (typeof option == 'string' && option.charAt(0) !== '_') { 1739 data[option].apply(data, args); 1740 } 1741 }); 1742 }; 1743 1744 /** 1745 * The constructor for the jQuery Plugin 1746 * @public 1747 */ 1748 $.fn.owlCarousel.Constructor = Owl; 1749 1750})(window.Zepto || window.jQuery, window, document);
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