1/* 2 * jQuery UI Draggable 1.8.7 3 * 4 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about) 5 * Dual licensed under the MIT or GPL Version 2 licenses. 6 * http://jquery.org/license 7 * 8 * http://docs.jquery.com/UI/Draggables 9 * 10 * Depends: 11 * jquery.ui.core.js 12 * jquery.ui.mouse.js 13 * jquery.ui.widget.js 14 */ 15(function( $, undefined ) { 16 17$.widget("ui.draggable", $.ui.mouse, { 18 widgetEventPrefix: "drag", 19 options: { 20 addClasses: true, 21 appendTo: "parent", 22 axis: false, 23 connectToSortable: false, 24 containment: false, 25 cursor: "auto", 26 cursorAt: false, 27 grid: false, 28 handle: false, 29 helper: "original", 30 iframeFix: false, 31 opacity: false, 32 refreshPositions: false, 33 revert: false, 34 revertDuration: 500, 35 scope: "default", 36 scroll: true, 37 scrollSensitivity: 20, 38 scrollSpeed: 20, 39 snap: false, 40 snapMode: "both", 41 snapTolerance: 20, 42 stack: false, 43 zIndex: false 44 }, 45 _create: function() { 46 47 if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position"))) 48 this.element[0].style.position = 'relative'; 49 50 (this.options.addClasses && this.element.addClass("ui-draggable")); 51 (this.options.disabled && this.element.addClass("ui-draggable-disabled")); 52 53 this._mouseInit(); 54 55 }, 56 57 destroy: function() { 58 if(!this.element.data('draggable')) return; 59 this.element 60 .removeData("draggable") 61 .unbind(".draggable") 62 .removeClass("ui-draggable" 63 + " ui-draggable-dragging" 64 + " ui-draggable-disabled"); 65 this._mouseDestroy(); 66 67 return this; 68 }, 69 70 _mouseCapture: function(event) { 71 72 var o = this.options; 73 74 // among others, prevent a drag on a resizable-handle 75 if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle')) 76 return false; 77 78 //Quit if we're not on a valid handle 79 this.handle = this._getHandle(event); 80 if (!this.handle) 81 return false; 82 83 return true; 84 85 }, 86 87 _mouseStart: function(event) { 88 89 var o = this.options; 90 91 //Create and append the visible helper 92 this.helper = this._createHelper(event); 93 94 //Cache the helper size 95 this._cacheHelperProportions(); 96 97 //If ddmanager is used for droppables, set the global draggable 98 if($.ui.ddmanager) 99 $.ui.ddmanager.current = this; 100 101 /* 102 * - Position generation - 103 * This block generates everything position related - it's the core of draggables. 104 */ 105 106 //Cache the margins of the original element 107 this._cacheMargins(); 108 109 //Store the helper's css position 110 this.cssPosition = this.helper.css("position"); 111 this.scrollParent = this.helper.scrollParent(); 112 113 //The element's absolute position on the page minus margins 114 this.offset = this.positionAbs = this.element.offset(); 115 this.offset = { 116 top: this.offset.top - this.margins.top, 117 left: this.offset.left - this.margins.left 118 }; 119 120 $.extend(this.offset, { 121 click: { //Where the click happened, relative to the element 122 left: event.pageX - this.offset.left, 123 top: event.pageY - this.offset.top 124 }, 125 parent: this._getParentOffset(), 126 relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper 127 }); 128 129 //Generate the original position 130 this.originalPosition = this.position = this._generatePosition(event); 131 this.originalPageX = event.pageX; 132 this.originalPageY = event.pageY; 133 134 //Adjust the mouse offset relative to the helper if 'cursorAt' is supplied 135 (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt)); 136 137 //Set a containment if given in the options 138 if(o.containment) 139 this._setContainment(); 140 141 //Trigger event + callbacks 142 if(this._trigger("start", event) === false) { 143 this._clear(); 144 return false; 145 } 146 147 //Recache the helper size 148 this._cacheHelperProportions(); 149 150 //Prepare the droppable offsets 151 if ($.ui.ddmanager && !o.dropBehaviour) 152 $.ui.ddmanager.prepareOffsets(this, event); 153 154 this.helper.addClass("ui-draggable-dragging"); 155 this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position 156 return true; 157 }, 158 159 _mouseDrag: function(event, noPropagation) { 160 161 //Compute the helpers position 162 this.position = this._generatePosition(event); 163 this.positionAbs = this._convertPositionTo("absolute"); 164 165 //Call plugins and callbacks and use the resulting position if something is returned 166 if (!noPropagation) { 167 var ui = this._uiHash(); 168 if(this._trigger('drag', event, ui) === false) { 169 this._mouseUp({}); 170 return false;
171 } 172 this.position = ui.position; 173 } 174 175 if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; 176 if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; 177 if($.ui.ddmanager) $.ui.ddmanager.drag(this, event); 178 179 return false; 180 }, 181 182 _mouseStop: function(event) { 183 184 //If we are using droppables, inform the manager about the drop 185 var dropped = false; 186 if ($.ui.ddmanager && !this.options.dropBehaviour) 187 dropped = $.ui.ddmanager.drop(this, event); 188 189 //if a drop comes from outside (a sortable) 190 if(this.dropped) { 191 dropped = this.dropped; 192 this.dropped = false; 193 } 194 195 //if the original element is removed, don't bother to continue 196 if(!this.element[0] || !this.element[0].parentNode) 197 return false; 198 199 if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) { 200 var self = this; 201 $(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() { 202 if(self._trigger("stop", event) !== false) { 203 self._clear(); 204 } 205 }); 206 } else { 207 if(this._trigger("stop", event) !== false) { 208 this._clear(); 209 } 210 } 211 212 return false; 213 }, 214 215 cancel: function() { 216 217 if(this.helper.is(".ui-draggable-dragging")) { 218 this._mouseUp({}); 219 } else { 220 this._clear(); 221 } 222 223 return this; 224 225 }, 226 227 _getHandle: function(event) { 228 229 var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false; 230 $(this.options.handle, this.element) 231 .find("*") 232 .andSelf() 233 .each(function() { 234 if(this == event.target) handle = true; 235 }); 236 237 return handle; 238 239 }, 240 241 _createHelper: function(event) { 242 243 var o = this.options; 244 var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element); 245 246 if(!helper.parents('body').length) 247 helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo)); 248 249 if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) 250 helper.css("position", "absolute"); 251 252 return helper; 253 254 }, 255 256 _adjustOffsetFromHelper: function(obj) { 257 if (typeof obj == 'string') { 258 obj = obj.split(' '); 259 } 260 if ($.isArray(obj)) { 261 obj = {left: +obj[0], top: +obj[1] || 0}; 262 } 263 if ('left' in obj) { 264 this.offset.click.left = obj.left + this.margins.left; 265 } 266 if ('right' in obj) { 267 this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; 268 } 269 if ('top' in obj) { 270 this.offset.click.top = obj.top + this.margins.top; 271 } 272 if ('bottom' in obj) { 273 this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; 274 } 275 }, 276 277 _getParentOffset: function() { 278 279 //Get the offsetParent and cache its position 280 this.offsetParent = this.helper.offsetParent(); 281 var po = this.offsetParent.offset(); 282 283 // This is a special case where we need to modify a offset calculated on start, since the following happened: 284 // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent 285 // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that 286 // the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag 287 if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) { 288 po.left += this.scrollParent.scrollLeft(); 289 po.top += this.scrollParent.scrollTop(); 290 } 291 292 if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information 293 || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix 294 po = { top: 0, left: 0 }; 295 296 return { 297 top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),
29710) || 0), 298 left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) 299 }; 300 301 }, 302 303 _getRelativeOffset: function() { 304 305 if(this.cssPosition == "relative") { 306 var p = this.element.position(); 307 return { 308 top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(), 309 left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft() 310 }; 311 } else { 312 return { top: 0, left: 0 }; 313 } 314 315 }, 316 317 _cacheMargins: function() { 318 this.margins = { 319 left: (parseInt(this.element.css("marginLeft"),10) || 0), 320 top: (parseInt(this.element.css("marginTop"),10) || 0) 321 }; 322 }, 323 324 _cacheHelperProportions: function() { 325 this.helperProportions = { 326 width: this.helper.outerWidth(), 327 height: this.helper.outerHeight() 328 }; 329 }, 330 331 _setContainment: function() { 332 333 var o = this.options; 334 if(o.containment == 'parent') o.containment = this.helper[0].parentNode; 335 if(o.containment == 'document' || o.containment == 'window') this.containment = [ 336 (o.containment == 'document' ? 0 : $(window).scrollLeft()) - this.offset.relative.left - this.offset.parent.left, 337 (o.containment == 'document' ? 0 : $(window).scrollTop()) - this.offset.relative.top - this.offset.parent.top, 338 (o.containment == 'document' ? 0 : $(window).scrollLeft()) + $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left, 339 (o.containment == 'document' ? 0 : $(window).scrollTop()) + ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top 340 ]; 341 342 if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) { 343 var ce = $(o.containment)[0]; if(!ce) return; 344 var co = $(o.containment).offset(); 345 var over = ($(ce).css("overflow") != 'hidden'); 346 347 this.containment = [ 348 co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left, 349 co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top, 350 co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left, 351 co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top 352 ]; 353 } else if(o.containment.constructor == Array) { 354 this.containment = o.containment; 355 } 356 357 }, 358 359 _convertPositionTo: function(d, pos) { 360 361 if(!pos) pos = this.position; 362 var mod = d == "absolute" ? 1 : -1; 363 var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); 364 365 return { 366 top: ( 367 pos.top // The absolute mouse position 368 + this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent 369 + this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border) 370 - ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod) 371 ), 372 left: ( 373 pos.left // The absolute mouse position 374 + this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent 375 + this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border) 376 - ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod) 377 ) 378 }; 379 380 }, 381 382 _generatePosition: function(event) { 383 384 var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); 385 var pageX = event.pageX; 386 var pageY = event.pageY; 387 388 /* 389 * - Position constraining - 390 * Constrain the position to a mix of grid, containment. 391 */ 392 393 if(this.originalPosition) { //If we are not dragging yet, we won't check for options 394 395 if(this.containment) { 396 if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left; 397 if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top; 398 if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left; 399 if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top; 400 } 401 402 if(o.grid) { 403 var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]; 404 pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; 405 406 var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]; 407 pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; 408 } 409 410 } 411 412 return { 413 top: ( 414 pageY // The absolute mouse position 415 - this.offset.click.top // Click offset (relative to the element) 416 - this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent 417 - this.offset.parent.top // The offsetParent's offset without borders (offset + border) 418 + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) )) 419 ), 420 left: ( 421 pageX // The absolute mouse position 422 - this.offset.click.left // Click offset (relative to the element) 423 - this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent 424 - this.offset.parent.left // The offsetParent's offset without borders (offset + border) 425 + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )) 426 ) 427 }; 428 429 }, 430 431 _clear: function() { 432 this.helper.removeClass("ui-draggable-dragging"); 433 if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove(); 434 //if($.ui.ddmanager) $.ui.ddmanager.current = null; 435 this.helper = null; 436 this.cancelHelperRemoval = false;
437 }, 438 439 // From now on bulk stuff - mainly helpers 440 441 _trigger: function(type, event, ui) { 442 ui = ui || this._uiHash(); 443 $.ui.plugin.call(this, type, [event, ui]); 444 if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins 445 return $.Widget.prototype._trigger.call(this, type, event, ui); 446 }, 447 448 plugins: {}, 449 450 _uiHash: function(event) { 451 return { 452 helper: this.helper, 453 position: this.position, 454 originalPosition: this.originalPosition, 455 offset: this.positionAbs 456 }; 457 } 458 459}); 460 461$.extend($.ui.draggable, { 462 version: "1.8.7" 463}); 464 465$.ui.plugin.add("draggable", "connectToSortable", { 466 start: function(event, ui) { 467 468 var inst = $(this).data("draggable"), o = inst.options, 469 uiSortable = $.extend({}, ui, { item: inst.element }); 470 inst.sortables = []; 471 $(o.connectToSortable).each(function() { 472 var sortable = $.data(this, 'sortable'); 473 if (sortable && !sortable.options.disabled) { 474 inst.sortables.push({ 475 instance: sortable, 476 shouldRevert: sortable.options.revert 477 }); 478 sortable._refreshItems(); //Do a one-time refresh at start to refresh the containerCache 479 sortable._trigger("activate", event, uiSortable); 480 } 481 }); 482 483 }, 484 stop: function(event, ui) { 485 486 //If we are still over the sortable, we fake the stop event of the sortable, but also remove helper 487 var inst = $(this).data("draggable"), 488 uiSortable = $.extend({}, ui, { item: inst.element }); 489 490 $.each(inst.sortables, function() { 491 if(this.instance.isOver) { 492 493 this.instance.isOver = 0; 494 495 inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance 496 this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work) 497 498 //The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid' 499 if(this.shouldRevert) this.instance.options.revert = true; 500 501 //Trigger the stop of the sortable 502 this.instance._mouseStop(event); 503 504 this.instance.options.helper = this.instance.options._helper; 505 506 //If the helper has been the original item, restore properties in the sortable 507 if(inst.options.helper == 'original') 508 this.instance.currentItem.css({ top: 'auto', left: 'auto' }); 509 510 } else { 511 this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance 512 this.instance._trigger("deactivate", event, uiSortable); 513 } 514 515 }); 516 517 }, 518 drag: function(event, ui) { 519 520 var inst = $(this).data("draggable"), self = this; 521 522 var checkPos = function(o) { 523 var dyClick = this.offset.click.top, dxClick = this.offset.click.left; 524 var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left; 525 var itemHeight = o.height, itemWidth = o.width; 526 var itemTop = o.top, itemLeft = o.left; 527 528 return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth); 529 }; 530 531 $.each(inst.sortables, function(i) { 532 533 //Copy over some variables to allow calling the sortable's native _intersectsWith 534 this.instance.positionAbs = inst.positionAbs; 535 this.instance.helperProportions = inst.helperProportions; 536 this.instance.offset.click = inst.offset.click; 537 538 if(this.instance._intersectsWith(this.instance.containerCache)) { 539 540 //If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once 541 if(!this.instance.isOver) { 542 543 this.instance.isOver = 1; 544 //Now we fake the start of dragging for the sortable instance, 545 //by cloning the list group item, appending it to the sortable and using it as inst.currentItem 546 //We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one) 547 this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true); 548 this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it 549 this.instance.options.helper = function() { return ui.helper[0]; }; 550 551 event.target = this.instance.currentItem[0]; 552 this.instance._mouseCapture(event, true); 553 this.instance._mouseStart(event, true, true); 554
555 //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes 556 this.instance.offset.click.top = inst.offset.click.top; 557 this.instance.offset.click.left = inst.offset.click.left; 558 this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; 559 this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; 560 561 inst._trigger("toSortable", event); 562 inst.dropped = this.instance.element; //draggable revert needs that 563 //hack so receive/update callbacks work (mostly) 564 inst.currentItem = inst.element; 565 this.instance.fromOutside = inst; 566 567 } 568 569 //Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable 570 if(this.instance.currentItem) this.instance._mouseDrag(event); 571 572 } else { 573 574 //If it doesn't intersect with the sortable, and it intersected before, 575 //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval 576 if(this.instance.isOver) { 577 578 this.instance.isOver = 0; 579 this.instance.cancelHelperRemoval = true; 580 581 //Prevent reverting on this forced stop 582 this.instance.options.revert = false; 583 584 // The out event needs to be triggered independently 585 this.instance._trigger('out', event, this.instance._uiHash(this.instance)); 586 587 this.instance._mouseStop(event, true); 588 this.instance.options.helper = this.instance.options._helper; 589 590 //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size 591 this.instance.currentItem.remove(); 592 if(this.instance.placeholder) this.instance.placeholder.remove(); 593 594 inst._trigger("fromSortable", event); 595 inst.dropped = false; //draggable revert needs that 596 } 597 598 }; 599 600 }); 601 602 } 603}); 604 605$.ui.plugin.add("draggable", "cursor", { 606 start: function(event, ui) { 607 var t = $('body'), o = $(this).data('draggable').options; 608 if (t.css("cursor")) o._cursor = t.css("cursor"); 609 t.css("cursor", o.cursor); 610 }, 611 stop: function(event, ui) { 612 var o = $(this).data('draggable').options; 613 if (o._cursor) $('body').css("cursor", o._cursor); 614 } 615}); 616 617$.ui.plugin.add("draggable", "iframeFix", { 618 start: function(event, ui) { 619 var o = $(this).data('draggable').options; 620 $(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() { 621 $('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>') 622 .css({ 623 width: this.offsetWidth+"px", height: this.offsetHeight+"px", 624 position: "absolute", opacity: "0.001", zIndex: 1000 625 }) 626 .css($(this).offset()) 627 .appendTo("body"); 628 }); 629 }, 630 stop: function(event, ui) { 631 $("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers 632 } 633}); 634 635$.ui.plugin.add("draggable", "opacity", { 636 start: function(event, ui) { 637 var t = $(ui.helper), o = $(this).data('draggable').options; 638 if(t.css("opacity")) o._opacity = t.css("opacity"); 639 t.css('opacity', o.opacity); 640 }, 641 stop: function(event, ui) { 642 var o = $(this).data('draggable').options; 643 if(o._opacity) $(ui.helper).css('opacity', o._opacity); 644 } 645}); 646 647$.ui.plugin.add("draggable", "scroll", { 648 start: function(event, ui) { 649 var i = $(this).data("draggable"); 650 if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset(); 651 }, 652 drag: function(event, ui) { 653 654 var i = $(this).data("draggable"), o = i.options, scrolled = false; 655 656 if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') { 657 658 if(!o.axis || o.axis != 'x') { 659 if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) 660 i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed; 661 else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity) 662 i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed; 663 } 664 665 if(!o.axis || o.axis != 'y') { 666 if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) 667 i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed; 668 else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity) 669 i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed; 670 } 671 672 } else { 673 674 if(!o.axis || o.axis != 'x') { 675 if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) 676 scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); 677 else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) 678 scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); 679 } 680 681 if(!o.axis || o.axis != 'y') { 682 if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) 683 scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); 684 else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) 685 scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); 686 } 687 688 } 689 690 if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) 691 $.ui.ddmanager.prepareOffsets(i, event); 692 693 } 694}); 695 696$.ui.plugin.add("draggable", "snap", { 697 start: function(event, ui) { 698 699 var i = $(this).data("draggable"), o = i.options; 700 i.snapElements = []; 701 702 $(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() { 703 var $t = $(this); var $o = $t.offset(); 704 if(this != i.element[0]) i.snapElements.push({ 705 item: this, 706 width: $t.outerWidth(), height: $t.outerHeight(), 707 top: $o.top, left: $o.left 708 }); 709 }); 710 711 }, 712 drag: function(event, ui) { 713 714 var inst = $(this).data("draggable"), o = inst.options; 715 var d = o.snapTolerance; 716 717 var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width, 718 y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height; 719 720 for (var i = inst.snapElements.length - 1; i >= 0; i--){ 721 722 var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width, 723 t = inst.snapElements[i].top, b = t + inst.snapElements[i].height; 724 725 //Yes, I know, this is insane ;) 726 if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) { 727 if(inst.snapElements[i].snapping) (inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); 728 inst.snapElements[i].snapping = false;
729 continue; 730 } 731 732 if(o.snapMode != 'inner') { 733 var ts = Math.abs(t - y2) <= d; 734 var bs = Math.abs(b - y1) <= d; 735 var ls = Math.abs(l - x2) <= d; 736 var rs = Math.abs(r - x1) <= d; 737 if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top; 738 if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top; 739 if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left; 740 if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left; 741 } 742 743 var first = (ts || bs || ls || rs); 744 745 if(o.snapMode != 'outer') { 746 var ts = Math.abs(t - y1) <= d; 747 var bs = Math.abs(b - y2) <= d; 748 var ls = Math.abs(l - x1) <= d; 749 var rs = Math.abs(r - x2) <= d; 750 if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top; 751 if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top; 752 if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left; 753 if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left; 754 } 755 756 if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) 757 (inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); 758 inst.snapElements[i].snapping = (ts || bs || ls || rs || first); 759 760 }; 761 762 } 763}); 764 765$.ui.plugin.add("draggable", "stack", { 766 start: function(event, ui) { 767 768 var o = $(this).data("draggable").options; 769 770 var group = $.makeArray($(o.stack)).sort(function(a,b) { 771 return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0); 772 }); 773 if (!group.length) { return; } 774 775 var min = parseInt(group[0].style.zIndex) || 0; 776 $(group).each(function(i) { 777 this.style.zIndex = min + i; 778 }); 779 780 this[0].style.zIndex = min + group.length; 781 782 } 783}); 784 785$.ui.plugin.add("draggable", "zIndex", { 786 start: function(event, ui) { 787 var t = $(ui.helper), o = $(this).data("draggable").options; 788 if(t.css("zIndex")) o._zIndex = t.css("zIndex"); 789 t.css('zIndex', o.zIndex); 790 }, 791 stop: function(event, ui) { 792 var o = $(this).data("draggable").options; 793 if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex); 794 } 795}); 796 797})(jQuery);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.