| 1 |
/*! |
| 2 |
* jQuery UI Sortable 1.10.3 |
| 3 |
* http://jqueryui.com |
| 4 |
* |
| 5 |
* Copyright 2013 jQuery Foundation and other contributors |
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* Released under the MIT license. |
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* http://jquery.org/license |
| 8 |
* |
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* http://api.jqueryui.com/sortable/ |
| 10 |
* |
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* Depends: |
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* jquery.ui.core.js |
| 13 |
* jquery.ui.mouse.js |
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* jquery.ui.widget.js |
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*/ |
| 16 |
(function( $, undefined ) { |
| 17 |
|
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/*jshint loopfunc: true */ |
| 19 |
|
| 20 |
function isOverAxis( x, reference, size ) { |
| 21 |
return ( x > reference ) && ( x < ( reference + size ) ); |
| 22 |
} |
| 23 |
|
| 24 |
function isFloating(item) { |
| 25 |
return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display")); |
| 26 |
} |
| 27 |
|
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$.widget("ui.sortable", $.ui.mouse, { |
| 29 |
version: "1.10.3", |
| 30 |
widgetEventPrefix: "sort", |
| 31 |
ready: false, |
| 32 |
options: { |
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appendTo: "parent", |
| 34 |
axis: false, |
| 35 |
connectWith: false, |
| 36 |
containment: false, |
| 37 |
cursor: "auto", |
| 38 |
cursorAt: false, |
| 39 |
dropOnEmpty: true, |
| 40 |
forcePlaceholderSize: false, |
| 41 |
forceHelperSize: false, |
| 42 |
grid: false, |
| 43 |
handle: false, |
| 44 |
helper: "original", |
| 45 |
items: "> *", |
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opacity: false, |
| 47 |
placeholder: false, |
| 48 |
revert: false, |
| 49 |
scroll: true, |
| 50 |
scrollSensitivity: 20, |
| 51 |
scrollSpeed: 20, |
| 52 |
scope: "default", |
| 53 |
tolerance: "intersect", |
| 54 |
zIndex: 1000, |
| 55 |
|
| 56 |
// callbacks |
| 57 |
activate: null, |
| 58 |
beforeStop: null, |
| 59 |
change: null, |
| 60 |
deactivate: null, |
| 61 |
out: null, |
| 62 |
over: null, |
| 63 |
receive: null, |
| 64 |
remove: null, |
| 65 |
sort: null, |
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start: null, |
| 67 |
stop: null, |
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update: null |
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}, |
| 70 |
_create: function() { |
| 71 |
|
| 72 |
var o = this.options; |
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this.containerCache = {}; |
| 74 |
this.element.addClass("ui-sortable"); |
| 75 |
|
| 76 |
//Get the items |
| 77 |
this.refresh(); |
| 78 |
|
| 79 |
//Let's determine if the items are being displayed horizontally |
| 80 |
this.floating = this.items.length ? o.axis === "x" || isFloating(this.items[0].item) : false; |
| 81 |
|
| 82 |
//Let's determine the parent's offset |
| 83 |
this.offset = this.element.offset(); |
| 84 |
|
| 85 |
//Initialize mouse events for interaction |
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this._mouseInit(); |
| 87 |
|
| 88 |
//We're ready to go |
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this.ready = true; |
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|
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}, |
| 92 |
|
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_destroy: function() { |
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this.element |
| 95 |
.removeClass("ui-sortable ui-sortable-disabled"); |
| 96 |
this._mouseDestroy(); |
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|
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for ( var i = this.items.length - 1; i >= 0; i-- ) { |
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this.items[i].item.removeData(this.widgetName + "-item"); |
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} |
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|
| 102 |
return this; |
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}, |
| 104 |
|
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_setOption: function(key, value){ |
| 106 |
if ( key === "disabled" ) { |
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this.options[ key ] = value; |
| 108 |
|
| 109 |
this.widget().toggleClass( "ui-sortable-disabled", !!value ); |
| 110 |
} else { |
| 111 |
// Don't call widget base _setOption for disable as it adds ui-state-disabled class |
| 112 |
$.Widget.prototype._setOption.apply(this, arguments); |
| 113 |
} |
| 114 |
}, |
| 115 |
|
| 116 |
_mouseCapture: function(event, overrideHandle) { |
| 117 |
var currentItem = null, |
| 118 |
validHandle = false, |
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that = this; |
| 120 |
|
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if (this.reverting) { |
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return false; |
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} |
| 124 |
|
| 125 |
if(this.options.disabled || this.options.type === "static") { |
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return false; |
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} |
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|
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//We have to refresh the items data once first |
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this._refreshItems(event); |
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|
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//Find out if the clicked node (or one of its parents) is a actual item in this.items |
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$(event.target).parents().each(function() { |
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if($.data(this, that.widgetName + "-item") === that) { |
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currentItem = $(this); |
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return false; |
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} |
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}); |
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if($.data(event.target, that.widgetName + "-item") === that) { |
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currentItem = $(event.target); |
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} |
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|
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if(!currentItem) { |
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return false; |
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} |
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if(this.options.handle && !overrideHandle) { |
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$(this.options.handle, currentItem).find("*").addBack().each(function() { |
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if(this === event.target) { |
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validHandle = true; |
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} |
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}); |
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if(!validHandle) { |
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return false; |
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} |
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} |
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|
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this.currentItem = currentItem; |
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this._removeCurrentsFromItems(); |
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return true; |
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|
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}, |
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|
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_mouseStart: function(event, overrideHandle, noActivation) { |
| 164 |
|
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var i, body, |
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o = this.options; |
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|
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this.currentContainer = this; |
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|
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//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture |
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this.refreshPositions(); |
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|
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//Create and append the visible helper |
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this.helper = this._createHelper(event); |
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|
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//Cache the helper size |
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this._cacheHelperProportions(); |
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|
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/* |
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* - Position generation - |
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* This block generates everything position related - it's the core of draggables. |
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*/ |
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|
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//Cache the margins of the original element |
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this._cacheMargins(); |
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|
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//Get the next scrolling parent |
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this.scrollParent = this.helper.scrollParent(); |
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|
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//The element's absolute position on the page minus margins |
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this.offset = this.currentItem.offset(); |
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this.offset = { |
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top: this.offset.top - this.margins.top, |
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left: this.offset.left - this.margins.left |
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}; |
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|
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$.extend(this.offset, { |
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click: { //Where the click happened, relative to the element |
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left: event.pageX - this.offset.left, |
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top: event.pageY - this.offset.top |
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}, |
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parent: this._getParentOffset(), |
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relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper |
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}); |
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|
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// Only after we got the offset, we can change the helper's position to absolute |
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// TODO: Still need to figure out a way to make relative sorting possible |
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this.helper.css("position", "absolute"); |
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this.cssPosition = this.helper.css("position"); |
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|
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//Generate the original position |
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this.originalPosition = this._generatePosition(event); |
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this.originalPageX = event.pageX; |
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this.originalPageY = event.pageY; |
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|
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//Adjust the mouse offset relative to the helper if "cursorAt" is supplied |
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(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt)); |
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|
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//Cache the former DOM position |
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this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] }; |
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|
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//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way |
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if(this.helper[0] !== this.currentItem[0]) { |
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this.currentItem.hide(); |
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} |
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|
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//Create the placeholder |
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this._createPlaceholder(); |
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|
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//Set a containment if given in the options |
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if(o.containment) { |
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this._setContainment(); |
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} |
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|
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if( o.cursor && o.cursor !== "auto" ) { // cursor option |
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body = this.document.find( "body" ); |
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|
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// support: IE |
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this.storedCursor = body.css( "cursor" ); |
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body.css( "cursor", o.cursor ); |
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|
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this.storedStylesheet = $( "<style>*{ cursor: "+o.cursor+" !important; }</style>" ).appendTo( body ); |
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} |
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|
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if(o.opacity) { // opacity option |
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if (this.helper.css("opacity")) { |
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this._storedOpacity = this.helper.css("opacity"); |
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} |
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this.helper.css("opacity", o.opacity); |
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} |
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|
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if(o.zIndex) { // zIndex option |
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if (this.helper.css("zIndex")) { |
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this._storedZIndex = this.helper.css("zIndex"); |
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} |
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this.helper.css("zIndex", o.zIndex); |
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} |
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|
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//Prepare scrolling |
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if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") { |
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this.overflowOffset = this.scrollParent.offset(); |
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} |
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|
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//Call callbacks |
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this._trigger("start", event, this._uiHash()); |
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|
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//Recache the helper size |
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if(!this._preserveHelperProportions) { |
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this._cacheHelperProportions(); |
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} |
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|
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|
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//Post "activate" events to possible containers |
| 274 |
if( !noActivation ) { |
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for ( i = this.containers.length - 1; i >= 0; i-- ) { |
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this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) ); |
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} |
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} |
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|
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//Prepare possible droppables |
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if($.ui.ddmanager) { |
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$.ui.ddmanager.current = this; |
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} |
| 284 |
|
| 285 |
if ($.ui.ddmanager && !o.dropBehaviour) { |
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$.ui.ddmanager.prepareOffsets(this, event); |
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} |
| 288 |
|
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this.dragging = true; |
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|
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this.helper.addClass("ui-sortable-helper"); |
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this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position |
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return true; |
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|
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}, |
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|
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_mouseDrag: function(event) { |
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var i, item, itemElement, intersection, |
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o = this.options, |
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scrolled = false; |
| 301 |
|
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//Compute the helpers position |
| 303 |
this.position = this._generatePosition(event); |
| 304 |
this.positionAbs = this._convertPositionTo("absolute"); |
| 305 |
|
| 306 |
if (!this.lastPositionAbs) { |
| 307 |
this.lastPositionAbs = this.positionAbs; |
| 308 |
} |
| 309 |
|
| 310 |
//Do scrolling |
| 311 |
if(this.options.scroll) { |
| 312 |
if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") { |
| 313 |
|
| 314 |
if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) { |
| 315 |
this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed; |
| 316 |
} else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) { |
| 317 |
this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed; |
| 318 |
} |
| 319 |
|
| 320 |
if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) { |
| 321 |
this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed; |
| 322 |
} else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) { |
| 323 |
this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed; |
| 324 |
} |
| 325 |
|
| 326 |
} else { |
| 327 |
|
| 328 |
if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) { |
| 329 |
scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); |
| 330 |
} else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) { |
| 331 |
scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); |
| 332 |
} |
| 333 |
|
| 334 |
if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) { |
| 335 |
scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); |
| 336 |
} else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) { |
| 337 |
scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); |
| 338 |
} |
| 339 |
|
| 340 |
} |
| 341 |
|
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if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) { |
| 343 |
$.ui.ddmanager.prepareOffsets(this, event); |
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} |
| 345 |
} |
| 346 |
|
| 347 |
//Regenerate the absolute position used for position checks |
| 348 |
this.positionAbs = this._convertPositionTo("absolute"); |
| 349 |
|
| 350 |
//Set the helper position |
| 351 |
if(!this.options.axis || this.options.axis !== "y") { |
| 352 |
this.helper[0].style.left = this.position.left+"px"; |
| 353 |
} |
| 354 |
if(!this.options.axis || this.options.axis !== "x") { |
| 355 |
this.helper[0].style.top = this.position.top+"px"; |
| 356 |
} |
| 357 |
|
| 358 |
//Rearrange |
| 359 |
for (i = this.items.length - 1; i >= 0; i--) { |
| 360 |
|
| 361 |
//Cache variables and intersection, continue if no intersection |
| 362 |
item = this.items[i]; |
| 363 |
itemElement = item.item[0]; |
| 364 |
intersection = this._intersectsWithPointer(item); |
| 365 |
if (!intersection) { |
| 366 |
continue; |
| 367 |
} |
| 368 |
|
| 369 |
// Only put the placeholder inside the current Container, skip all |
| 370 |
// items form other containers. This works because when moving |
| 371 |
// an item from one container to another the |
| 372 |
// currentContainer is switched before the placeholder is moved. |
| 373 |
// |
| 374 |
// Without this moving items in "sub-sortables" can cause the placeholder to jitter |
| 375 |
// beetween the outer and inner container. |
| 376 |
if (item.instance !== this.currentContainer) { |
| 377 |
continue; |
| 378 |
} |
| 379 |
|
| 380 |
// cannot intersect with itself |
| 381 |
// no useless actions that have been done before |
| 382 |
// no action if the item moved is the parent of the item checked |
| 383 |
if (itemElement !== this.currentItem[0] && |
| 384 |
this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement && |
| 385 |
!$.contains(this.placeholder[0], itemElement) && |
| 386 |
(this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true) |
| 387 |
) { |
| 388 |
|
| 389 |
this.direction = intersection === 1 ? "down" : "up"; |
| 390 |
|
| 391 |
if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) { |
| 392 |
this._rearrange(event, item); |
| 393 |
} else { |
| 394 |
break; |
| 395 |
} |
| 396 |
|
| 397 |
this._trigger("change", event, this._uiHash()); |
| 398 |
break; |
| 399 |
} |
| 400 |
} |
| 401 |
|
| 402 |
//Post events to containers |
| 403 |
this._contactContainers(event); |
| 404 |
|
| 405 |
//Interconnect with droppables |
| 406 |
if($.ui.ddmanager) { |
| 407 |
$.ui.ddmanager.drag(this, event); |
| 408 |
} |
| 409 |
|
| 410 |
//Call callbacks |
| 411 |
this._trigger("sort", event, this._uiHash()); |
| 412 |
|
| 413 |
this.lastPositionAbs = this.positionAbs; |
| 414 |
return false; |
| 415 |
|
| 416 |
}, |
| 417 |
|
| 418 |
_mouseStop: function(event, noPropagation) { |
| 419 |
|
| 420 |
if(!event) { |
| 421 |
return; |
| 422 |
} |
| 423 |
|
| 424 |
//If we are using droppables, inform the manager about the drop |
| 425 |
if ($.ui.ddmanager && !this.options.dropBehaviour) { |
| 426 |
$.ui.ddmanager.drop(this, event); |
| 427 |
} |
| 428 |
|
| 429 |
if(this.options.revert) { |
| 430 |
var that = this, |
| 431 |
cur = this.placeholder.offset(), |
| 432 |
axis = this.options.axis, |
| 433 |
animation = {}; |
| 434 |
|
| 435 |
if ( !axis || axis === "x" ) { |
| 436 |
animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollLeft); |
| 437 |
} |
| 438 |
if ( !axis || axis === "y" ) { |
| 439 |
animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollTop); |
| 440 |
} |
| 441 |
this.reverting = true; |
| 442 |
$(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() { |
| 443 |
that._clear(event); |
| 444 |
}); |
| 445 |
} else { |
| 446 |
this._clear(event, noPropagation); |
| 447 |
} |
| 448 |
|
| 449 |
return false; |
| 450 |
|
| 451 |
}, |
| 452 |
|
| 453 |
cancel: function() { |
| 454 |
|
| 455 |
if(this.dragging) { |
| 456 |
|
| 457 |
this._mouseUp({ target: null }); |
| 458 |
|
| 459 |
if(this.options.helper === "original") { |
| 460 |
this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper"); |
| 461 |
} else { |
| 462 |
this.currentItem.show(); |
| 463 |
} |
| 464 |
|
| 465 |
//Post deactivating events to containers |
| 466 |
for (var i = this.containers.length - 1; i >= 0; i--){ |
| 467 |
this.containers[i]._trigger("deactivate", null, this._uiHash(this)); |
| 468 |
if(this.containers[i].containerCache.over) { |
| 469 |
this.containers[i]._trigger("out", null, this._uiHash(this)); |
| 470 |
this.containers[i].containerCache.over = 0; |
| 471 |
} |
| 472 |
} |
| 473 |
|
| 474 |
} |
| 475 |
|
| 476 |
if (this.placeholder) { |
| 477 |
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node! |
| 478 |
if(this.placeholder[0].parentNode) { |
| 479 |
this.placeholder[0].parentNode.removeChild(this.placeholder[0]); |
| 480 |
} |
| 481 |
if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) { |
| 482 |
this.helper.remove(); |
| 483 |
} |
| 484 |
|
| 485 |
$.extend(this, { |
| 486 |
helper: null, |
| 487 |
dragging: false, |
| 488 |
reverting: false, |
| 489 |
_noFinalSort: null |
| 490 |
}); |
| 491 |
|
| 492 |
if(this.domPosition.prev) { |
| 493 |
$(this.domPosition.prev).after(this.currentItem); |
| 494 |
} else { |
| 495 |
$(this.domPosition.parent).prepend(this.currentItem); |
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
return this; |
| 500 |
|
| 501 |
}, |
| 502 |
|
| 503 |
serialize: function(o) { |
| 504 |
|
| 505 |
var items = this._getItemsAsjQuery(o && o.connected), |
| 506 |
str = []; |
| 507 |
o = o || {}; |
| 508 |
|
| 509 |
$(items).each(function() { |
| 510 |
var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/)); |
| 511 |
if (res) { |
| 512 |
str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2])); |
| 513 |
} |
| 514 |
}); |
| 515 |
|
| 516 |
if(!str.length && o.key) { |
| 517 |
str.push(o.key + "="); |
| 518 |
} |
| 519 |
|
| 520 |
return str.join("&"); |
| 521 |
|
| 522 |
}, |
| 523 |
|
| 524 |
toArray: function(o) { |
| 525 |
|
| 526 |
var items = this._getItemsAsjQuery(o && o.connected), |
| 527 |
ret = []; |
| 528 |
|
| 529 |
o = o || {}; |
| 530 |
|
| 531 |
items.each(function() { ret.push($(o.item || this).attr(o.attribute || "id") || ""); }); |
| 532 |
return ret; |
| 533 |
|
| 534 |
}, |
| 535 |
|
| 536 |
/* Be careful with the following core functions */ |
| 537 |
_intersectsWith: function(item) { |
| 538 |
|
| 539 |
var x1 = this.positionAbs.left, |
| 540 |
x2 = x1 + this.helperProportions.width, |
| 541 |
y1 = this.positionAbs.top, |
| 542 |
y2 = y1 + this.helperProportions.height, |
| 543 |
l = item.left, |
| 544 |
r = l + item.width, |
| 545 |
t = item.top, |
| 546 |
b = t + item.height, |
| 547 |
dyClick = this.offset.click.top, |
| 548 |
dxClick = this.offset.click.left, |
| 549 |
isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t && ( y1 + dyClick ) < b ), |
| 550 |
isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l && ( x1 + dxClick ) < r ), |
| 551 |
isOverElement = isOverElementHeight && isOverElementWidth; |
| 552 |
|
| 553 |
if ( this.options.tolerance === "pointer" || |
| 554 |
this.options.forcePointerForContainers || |
| 555 |
(this.options.tolerance !== "pointer" && this.helperProportions[this.floating ? "width" : "height"] > item[this.floating ? "width" : "height"]) |
| 556 |
) { |
| 557 |
return isOverElement; |
| 558 |
} else { |
| 559 |
|
| 560 |
return (l < x1 + (this.helperProportions.width / 2) && // Right Half |
| 561 |
x2 - (this.helperProportions.width / 2) < r && // Left Half |
| 562 |
t < y1 + (this.helperProportions.height / 2) && // Bottom Half |
| 563 |
y2 - (this.helperProportions.height / 2) < b ); // Top Half |
| 564 |
|
| 565 |
} |
| 566 |
}, |
| 567 |
|
| 568 |
_intersectsWithPointer: function(item) { |
| 569 |
|
| 570 |
var isOverElementHeight = (this.options.axis === "x") || isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height), |
| 571 |
isOverElementWidth = (this.options.axis === "y") || isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width), |
| 572 |
isOverElement = isOverElementHeight && isOverElementWidth, |
| 573 |
verticalDirection = this._getDragVerticalDirection(), |
| 574 |
horizontalDirection = this._getDragHorizontalDirection(); |
| 575 |
|
| 576 |
if (!isOverElement) { |
| 577 |
return false; |
| 578 |
} |
| 579 |
|
| 580 |
return this.floating ? |
| 581 |
( ((horizontalDirection && horizontalDirection === "right") || verticalDirection === "down") ? 2 : 1 ) |
| 582 |
: ( verticalDirection && (verticalDirection === "down" ? 2 : 1) ); |
| 583 |
|
| 584 |
}, |
| 585 |
|
| 586 |
_intersectsWithSides: function(item) { |
| 587 |
|
| 588 |
var isOverBottomHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height), |
| 589 |
isOverRightHalf = isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width), |
| 590 |
verticalDirection = this._getDragVerticalDirection(), |
| 591 |
horizontalDirection = this._getDragHorizontalDirection(); |
| 592 |
|
| 593 |
if (this.floating && horizontalDirection) { |
| 594 |
return ((horizontalDirection === "right" && isOverRightHalf) || (horizontalDirection === "left" && !isOverRightHalf)); |
| 595 |
} else { |
| 596 |
return verticalDirection && ((verticalDirection === "down" && isOverBottomHalf) || (verticalDirection === "up" && !isOverBottomHalf)); |
| 597 |
} |
| 598 |
|
| 599 |
}, |
| 600 |
|
| 601 |
_getDragVerticalDirection: function() { |
| 602 |
var delta = this.positionAbs.top - this.lastPositionAbs.top; |
| 603 |
return delta !== 0 && (delta > 0 ? "down" : "up"); |
| 604 |
}, |
| 605 |
|
| 606 |
_getDragHorizontalDirection: function() { |
| 607 |
var delta = this.positionAbs.left - this.lastPositionAbs.left; |
| 608 |
return delta !== 0 && (delta > 0 ? "right" : "left"); |
| 609 |
}, |
| 610 |
|
| 611 |
refresh: function(event) { |
| 612 |
this._refreshItems(event); |
| 613 |
this.refreshPositions(); |
| 614 |
return this; |
| 615 |
}, |
| 616 |
|
| 617 |
_connectWith: function() { |
| 618 |
var options = this.options; |
| 619 |
return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith; |
| 620 |
}, |
| 621 |
|
| 622 |
_getItemsAsjQuery: function(connected) { |
| 623 |
|
| 624 |
var i, j, cur, inst, |
| 625 |
items = [], |
| 626 |
queries = [], |
| 627 |
connectWith = this._connectWith(); |
| 628 |
|
| 629 |
if(connectWith && connected) { |
| 630 |
for (i = connectWith.length - 1; i >= 0; i--){ |
| 631 |
cur = $(connectWith[i]); |
| 632 |
for ( j = cur.length - 1; j >= 0; j--){ |
| 633 |
inst = $.data(cur[j], this.widgetFullName); |
| 634 |
if(inst && inst !== this && !inst.options.disabled) { |
| 635 |
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]); |
| 636 |
} |
| 637 |
} |
| 638 |
} |
| 639 |
} |
| 640 |
|
| 641 |
queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), this]); |
| 642 |
|
| 643 |
for (i = queries.length - 1; i >= 0; i--){ |
| 644 |
queries[i][0].each(function() { |
| 645 |
items.push(this); |
| 646 |
}); |
| 647 |
} |
| 648 |
|
| 649 |
return $(items); |
| 650 |
|
| 651 |
}, |
| 652 |
|
| 653 |
_removeCurrentsFromItems: function() { |
| 654 |
|
| 655 |
var list = this.currentItem.find(":data(" + this.widgetName + "-item)"); |
| 656 |
|
| 657 |
this.items = $.grep(this.items, function (item) { |
| 658 |
for (var j=0; j < list.length; j++) { |
| 659 |
if(list[j] === item.item[0]) { |
| 660 |
return false; |
| 661 |
} |
| 662 |
} |
| 663 |
return true; |
| 664 |
}); |
| 665 |
|
| 666 |
}, |
| 667 |
|
| 668 |
_refreshItems: function(event) { |
| 669 |
|
| 670 |
this.items = []; |
| 671 |
this.containers = [this]; |
| 672 |
|
| 673 |
var i, j, cur, inst, targetData, _queries, item, queriesLength, |
| 674 |
items = this.items, |
| 675 |
queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]], |
| 676 |
connectWith = this._connectWith(); |
| 677 |
|
| 678 |
if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down |
| 679 |
for (i = connectWith.length - 1; i >= 0; i--){ |
| 680 |
cur = $(connectWith[i]); |
| 681 |
for (j = cur.length - 1; j >= 0; j--){ |
| 682 |
inst = $.data(cur[j], this.widgetFullName); |
| 683 |
if(inst && inst !== this && !inst.options.disabled) { |
| 684 |
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]); |
| 685 |
this.containers.push(inst); |
| 686 |
} |
| 687 |
} |
| 688 |
} |
| 689 |
} |
| 690 |
|
| 691 |
for (i = queries.length - 1; i >= 0; i--) { |
| 692 |
targetData = queries[i][1]; |
| 693 |
_queries = queries[i][0]; |
| 694 |
|
| 695 |
for (j=0, queriesLength = _queries.length; j < queriesLength; j++) { |
| 696 |
item = $(_queries[j]); |
| 697 |
|
| 698 |
item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager) |
| 699 |
|
| 700 |
items.push({ |
| 701 |
item: item, |
| 702 |
instance: targetData, |
| 703 |
width: 0, height: 0, |
| 704 |
left: 0, top: 0 |
| 705 |
}); |
| 706 |
} |
| 707 |
} |
| 708 |
|
| 709 |
}, |
| 710 |
|
| 711 |
refreshPositions: function(fast) { |
| 712 |
|
| 713 |
//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change |
| 714 |
if(this.offsetParent && this.helper) { |
| 715 |
this.offset.parent = this._getParentOffset(); |
| 716 |
} |
| 717 |
|
| 718 |
var i, item, t, p; |
| 719 |
|
| 720 |
for (i = this.items.length - 1; i >= 0; i--){ |
| 721 |
item = this.items[i]; |
| 722 |
|
| 723 |
//We ignore calculating positions of all connected containers when we're not over them |
| 724 |
if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) { |
| 725 |
continue; |
| 726 |
} |
| 727 |
|
| 728 |
t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item; |
| 729 |
|
| 730 |
if (!fast) { |
| 731 |
item.width = t.outerWidth(); |
| 732 |
item.height = t.outerHeight(); |
| 733 |
} |
| 734 |
|
| 735 |
p = t.offset(); |
| 736 |
item.left = p.left; |
| 737 |
item.top = p.top; |
| 738 |
} |
| 739 |
|
| 740 |
if(this.options.custom && this.options.custom.refreshContainers) { |
| 741 |
this.options.custom.refreshContainers.call(this); |
| 742 |
} else { |
| 743 |
for (i = this.containers.length - 1; i >= 0; i--){ |
| 744 |
p = this.containers[i].element.offset(); |
| 745 |
this.containers[i].containerCache.left = p.left; |
| 746 |
this.containers[i].containerCache.top = p.top; |
| 747 |
this.containers[i].containerCache.width = this.containers[i].element.outerWidth(); |
| 748 |
this.containers[i].containerCache.height = this.containers[i].element.outerHeight(); |
| 749 |
} |
| 750 |
} |
| 751 |
|
| 752 |
return this; |
| 753 |
}, |
| 754 |
|
| 755 |
_createPlaceholder: function(that) { |
| 756 |
that = that || this; |
| 757 |
var className, |
| 758 |
o = that.options; |
| 759 |
|
| 760 |
if(!o.placeholder || o.placeholder.constructor === String) { |
| 761 |
className = o.placeholder; |
| 762 |
o.placeholder = { |
| 763 |
element: function() { |
| 764 |
|
| 765 |
var nodeName = that.currentItem[0].nodeName.toLowerCase(), |
| 766 |
element = $( "<" + nodeName + ">", that.document[0] ) |
| 767 |
.addClass(className || that.currentItem[0].className+" ui-sortable-placeholder") |
| 768 |
.removeClass("ui-sortable-helper"); |
| 769 |
|
| 770 |
if ( nodeName === "tr" ) { |
| 771 |
that.currentItem.children().each(function() { |
| 772 |
$( "<td> </td>", that.document[0] ) |
| 773 |
.attr( "colspan", $( this ).attr( "colspan" ) || 1 ) |
| 774 |
.appendTo( element ); |
| 775 |
}); |
| 776 |
} else if ( nodeName === "img" ) { |
| 777 |
element.attr( "src", that.currentItem.attr( "src" ) ); |
| 778 |
} |
| 779 |
|
| 780 |
if ( !className ) { |
| 781 |
element.css( "visibility", "hidden" ); |
| 782 |
} |
| 783 |
|
| 784 |
return element; |
| 785 |
}, |
| 786 |
update: function(container, p) { |
| 787 |
|
| 788 |
// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that |
| 789 |
// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified |
| 790 |
if(className && !o.forcePlaceholderSize) { |
| 791 |
return; |
| 792 |
} |
| 793 |
|
| 794 |
//If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item |
| 795 |
if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css("paddingTop")||0, 10) - parseInt(that.currentItem.css("paddingBottom")||0, 10)); } |
| 796 |
if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css("paddingLeft")||0, 10) - parseInt(that.currentItem.css("paddingRight")||0, 10)); } |
| 797 |
} |
| 798 |
}; |
| 799 |
} |
| 800 |
|
| 801 |
//Create the placeholder |
| 802 |
that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem)); |
| 803 |
|
| 804 |
//Append it after the actual current item |
| 805 |
that.currentItem.after(that.placeholder); |
| 806 |
|
| 807 |
//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317) |
| 808 |
o.placeholder.update(that, that.placeholder); |
| 809 |
|
| 810 |
}, |
| 811 |
|
| 812 |
_contactContainers: function(event) { |
| 813 |
var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, base, cur, nearBottom, floating, |
| 814 |
innermostContainer = null, |
| 815 |
innermostIndex = null; |
| 816 |
|
| 817 |
// get innermost container that intersects with item |
| 818 |
for (i = this.containers.length - 1; i >= 0; i--) { |
| 819 |
|
| 820 |
// never consider a container that's located within the item itself |
| 821 |
if($.contains(this.currentItem[0], this.containers[i].element[0])) { |
| 822 |
continue; |
| 823 |
} |
| 824 |
|
| 825 |
if(this._intersectsWith(this.containers[i].containerCache)) { |
| 826 |
|
| 827 |
// if we've already found a container and it's more "inner" than this, then continue |
| 828 |
if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) { |
| 829 |
continue; |
| 830 |
} |
| 831 |
|
| 832 |
innermostContainer = this.containers[i]; |
| 833 |
innermostIndex = i; |
| 834 |
|
| 835 |
} else { |
| 836 |
// container doesn't intersect. trigger "out" event if necessary |
| 837 |
if(this.containers[i].containerCache.over) { |
| 838 |
this.containers[i]._trigger("out", event, this._uiHash(this)); |
| 839 |
this.containers[i].containerCache.over = 0; |
| 840 |
} |
| 841 |
} |
| 842 |
|
| 843 |
} |
| 844 |
|
| 845 |
// if no intersecting containers found, return |
| 846 |
if(!innermostContainer) { |
| 847 |
return; |
| 848 |
} |
| 849 |
|
| 850 |
// move the item into the container if it's not there already |
| 851 |
if(this.containers.length === 1) { |
| 852 |
if (!this.containers[innermostIndex].containerCache.over) { |
| 853 |
this.containers[innermostIndex]._trigger("over", event, this._uiHash(this)); |
| 854 |
this.containers[innermostIndex].containerCache.over = 1; |
| 855 |
} |
| 856 |
} else { |
| 857 |
|
| 858 |
//When entering a new container, we will find the item with the least distance and append our item near it |
| 859 |
dist = 10000; |
| 860 |
itemWithLeastDistance = null; |
| 861 |
floating = innermostContainer.floating || isFloating(this.currentItem); |
| 862 |
posProperty = floating ? "left" : "top"; |
| 863 |
sizeProperty = floating ? "width" : "height"; |
| 864 |
base = this.positionAbs[posProperty] + this.offset.click[posProperty]; |
| 865 |
for (j = this.items.length - 1; j >= 0; j--) { |
| 866 |
if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) { |
| 867 |
continue; |
| 868 |
} |
| 869 |
if(this.items[j].item[0] === this.currentItem[0]) { |
| 870 |
continue; |
| 871 |
} |
| 872 |
if (floating && !isOverAxis(this.positionAbs.top + this.offset.click.top, this.items[j].top, this.items[j].height)) { |
| 873 |
continue; |
| 874 |
} |
| 875 |
cur = this.items[j].item.offset()[posProperty]; |
| 876 |
nearBottom = false; |
| 877 |
if(Math.abs(cur - base) > Math.abs(cur + this.items[j][sizeProperty] - base)){ |
| 878 |
nearBottom = true; |
| 879 |
cur += this.items[j][sizeProperty]; |
| 880 |
} |
| 881 |
|
| 882 |
if(Math.abs(cur - base) < dist) { |
| 883 |
dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j]; |
| 884 |
this.direction = nearBottom ? "up": "down"; |
| 885 |
} |
| 886 |
} |
| 887 |
|
| 888 |
//Check if dropOnEmpty is enabled |
| 889 |
if(!itemWithLeastDistance && !this.options.dropOnEmpty) { |
| 890 |
return; |
| 891 |
} |
| 892 |
|
| 893 |
if(this.currentContainer === this.containers[innermostIndex]) { |
| 894 |
return; |
| 895 |
} |
| 896 |
|
| 897 |
itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true); |
| 898 |
this._trigger("change", event, this._uiHash()); |
| 899 |
this.containers[innermostIndex]._trigger("change", event, this._uiHash(this)); |
| 900 |
this.currentContainer = this.containers[innermostIndex]; |
| 901 |
|
| 902 |
//Update the placeholder |
| 903 |
this.options.placeholder.update(this.currentContainer, this.placeholder); |
| 904 |
|
| 905 |
this.containers[innermostIndex]._trigger("over", event, this._uiHash(this)); |
| 906 |
this.containers[innermostIndex].containerCache.over = 1; |
| 907 |
} |
| 908 |
|
| 909 |
|
| 910 |
}, |
| 911 |
|
| 912 |
_createHelper: function(event) { |
| 913 |
|
| 914 |
var o = this.options, |
| 915 |
helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem); |
| 916 |
|
| 917 |
//Add the helper to the DOM if that didn't happen already |
| 918 |
if(!helper.parents("body").length) { |
| 919 |
$(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]); |
| 920 |
} |
| 921 |
|
| 922 |
if(helper[0] === this.currentItem[0]) { |
| 923 |
this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") }; |
| 924 |
} |
| 925 |
|
| 926 |
if(!helper[0].style.width || o.forceHelperSize) { |
| 927 |
helper.width(this.currentItem.width()); |
| 928 |
} |
| 929 |
if(!helper[0].style.height || o.forceHelperSize) { |
| 930 |
helper.height(this.currentItem.height()); |
| 931 |
} |
| 932 |
|
| 933 |
return helper; |
| 934 |
|
| 935 |
}, |
| 936 |
|
| 937 |
_adjustOffsetFromHelper: function(obj) { |
| 938 |
if (typeof obj === "string") { |
| 939 |
obj = obj.split(" "); |
| 940 |
} |
| 941 |
if ($.isArray(obj)) { |
| 942 |
obj = {left: +obj[0], top: +obj[1] || 0}; |
| 943 |
} |
| 944 |
if ("left" in obj) { |
| 945 |
this.offset.click.left = obj.left + this.margins.left; |
| 946 |
} |
| 947 |
if ("right" in obj) { |
| 948 |
this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; |
| 949 |
} |
| 950 |
if ("top" in obj) { |
| 951 |
this.offset.click.top = obj.top + this.margins.top; |
| 952 |
} |
| 953 |
if ("bottom" in obj) { |
| 954 |
this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; |
| 955 |
} |
| 956 |
}, |
| 957 |
|
| 958 |
_getParentOffset: function() { |
| 959 |
|
| 960 |
|
| 961 |
//Get the offsetParent and cache its position |
| 962 |
this.offsetParent = this.helper.offsetParent(); |
| 963 |
var po = this.offsetParent.offset(); |
| 964 |
|
| 965 |
// This is a special case where we need to modify a offset calculated on start, since the following happened: |
| 966 |
// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent |
| 967 |
// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that |
| 968 |
// the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag |
| 969 |
if(this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) { |
| 970 |
po.left += this.scrollParent.scrollLeft(); |
| 971 |
po.top += this.scrollParent.scrollTop(); |
| 972 |
} |
| 973 |
|
| 974 |
// This needs to be actually done for all browsers, since pageX/pageY includes this information |
| 975 |
// with an ugly IE fix |
| 976 |
if( this.offsetParent[0] === document.body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) { |
| 977 |
po = { top: 0, left: 0 }; |
| 978 |
} |
| 979 |
|
| 980 |
return { |
| 981 |
top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), |
| 982 |
left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) |
| 983 |
}; |
| 984 |
|
| 985 |
}, |
| 986 |
|
| 987 |
_getRelativeOffset: function() { |
| 988 |
|
| 989 |
if(this.cssPosition === "relative") { |
| 990 |
var p = this.currentItem.position(); |
| 991 |
return { |
| 992 |
top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(), |
| 993 |
left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft() |
| 994 |
}; |
| 995 |
} else { |
| 996 |
return { top: 0, left: 0 }; |
| 997 |
} |
| 998 |
|
| 999 |
}, |
| 1000 |
|
| 1001 |
_cacheMargins: function() { |
| 1002 |
this.margins = { |
| 1003 |
left: (parseInt(this.currentItem.css("marginLeft"),10) || 0), |
| 1004 |
top: (parseInt(this.currentItem.css("marginTop"),10) || 0) |
| 1005 |
}; |
| 1006 |
}, |
| 1007 |
|
| 1008 |
_cacheHelperProportions: function() { |
| 1009 |
this.helperProportions = { |
| 1010 |
width: this.helper.outerWidth(), |
| 1011 |
height: this.helper.outerHeight() |
| 1012 |
}; |
| 1013 |
}, |
| 1014 |
|
| 1015 |
_setContainment: function() { |
| 1016 |
|
| 1017 |
var ce, co, over, |
| 1018 |
o = this.options; |
| 1019 |
if(o.containment === "parent") { |
| 1020 |
o.containment = this.helper[0].parentNode; |
| 1021 |
} |
| 1022 |
if(o.containment === "document" || o.containment === "window") { |
| 1023 |
this.containment = [ |
| 1024 |
0 - this.offset.relative.left - this.offset.parent.left, |
| 1025 |
0 - this.offset.relative.top - this.offset.parent.top, |
| 1026 |
$(o.containment === "document" ? document : window).width() - this.helperProportions.width - this.margins.left, |
| 1027 |
($(o.containment === "document" ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top |
| 1028 |
]; |
| 1029 |
} |
| 1030 |
|
| 1031 |
if(!(/^(document|window|parent)$/).test(o.containment)) { |
| 1032 |
ce = $(o.containment)[0]; |
| 1033 |
co = $(o.containment).offset(); |
| 1034 |
over = ($(ce).css("overflow") !== "hidden"); |
| 1035 |
|
| 1036 |
this.containment = [ |
| 1037 |
co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left, |
| 1038 |
co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top, |
| 1039 |
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, |
| 1040 |
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 |
| 1041 |
]; |
| 1042 |
} |
| 1043 |
|
| 1044 |
}, |
| 1045 |
|
| 1046 |
_convertPositionTo: function(d, pos) { |
| 1047 |
|
| 1048 |
if(!pos) { |
| 1049 |
pos = this.position; |
| 1050 |
} |
| 1051 |
var mod = d === "absolute" ? 1 : -1, |
| 1052 |
scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, |
| 1053 |
scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); |
| 1054 |
|
| 1055 |
return { |
| 1056 |
top: ( |
| 1057 |
pos.top + // The absolute mouse position |
| 1058 |
this.offset.relative.top * mod + // Only for relative positioned nodes: Relative offset from element to offset parent |
| 1059 |
this.offset.parent.top * mod - // The offsetParent's offset without borders (offset + border) |
| 1060 |
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod) |
| 1061 |
), |
| 1062 |
left: ( |
| 1063 |
pos.left + // The absolute mouse position |
| 1064 |
this.offset.relative.left * mod + // Only for relative positioned nodes: Relative offset from element to offset parent |
| 1065 |
this.offset.parent.left * mod - // The offsetParent's offset without borders (offset + border) |
| 1066 |
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod) |
| 1067 |
) |
| 1068 |
}; |
| 1069 |
|
| 1070 |
}, |
| 1071 |
|
| 1072 |
_generatePosition: function(event) { |
| 1073 |
|
| 1074 |
var top, left, |
| 1075 |
o = this.options, |
| 1076 |
pageX = event.pageX, |
| 1077 |
pageY = event.pageY, |
| 1078 |
scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); |
| 1079 |
|
| 1080 |
// This is another very weird special case that only happens for relative elements: |
| 1081 |
// 1. If the css position is relative |
| 1082 |
// 2. and the scroll parent is the document or similar to the offset parent |
| 1083 |
// we have to refresh the relative offset during the scroll so there are no jumps |
| 1084 |
if(this.cssPosition === "relative" && !(this.scrollParent[0] !== document && this.scrollParent[0] !== this.offsetParent[0])) { |
| 1085 |
this.offset.relative = this._getRelativeOffset(); |
| 1086 |
} |
| 1087 |
|
| 1088 |
/* |
| 1089 |
* - Position constraining - |
| 1090 |
* Constrain the position to a mix of grid, containment. |
| 1091 |
*/ |
| 1092 |
|
| 1093 |
if(this.originalPosition) { //If we are not dragging yet, we won't check for options |
| 1094 |
|
| 1095 |
if(this.containment) { |
| 1096 |
if(event.pageX - this.offset.click.left < this.containment[0]) { |
| 1097 |
pageX = this.containment[0] + this.offset.click.left; |
| 1098 |
} |
| 1099 |
if(event.pageY - this.offset.click.top < this.containment[1]) { |
| 1100 |
pageY = this.containment[1] + this.offset.click.top; |
| 1101 |
} |
| 1102 |
if(event.pageX - this.offset.click.left > this.containment[2]) { |
| 1103 |
pageX = this.containment[2] + this.offset.click.left; |
| 1104 |
} |
| 1105 |
if(event.pageY - this.offset.click.top > this.containment[3]) { |
| 1106 |
pageY = this.containment[3] + this.offset.click.top; |
| 1107 |
} |
| 1108 |
} |
| 1109 |
|
| 1110 |
if(o.grid) { |
| 1111 |
top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]; |
| 1112 |
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; |
| 1113 |
|
| 1114 |
left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]; |
| 1115 |
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; |
| 1116 |
} |
| 1117 |
|
| 1118 |
} |
| 1119 |
|
| 1120 |
return { |
| 1121 |
top: ( |
| 1122 |
pageY - // The absolute mouse position |
| 1123 |
this.offset.click.top - // Click offset (relative to the element) |
| 1124 |
this.offset.relative.top - // Only for relative positioned nodes: Relative offset from element to offset parent |
| 1125 |
this.offset.parent.top + // The offsetParent's offset without borders (offset + border) |
| 1126 |
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) )) |
| 1127 |
), |
| 1128 |
left: ( |
| 1129 |
pageX - // The absolute mouse position |
| 1130 |
this.offset.click.left - // Click offset (relative to the element) |
| 1131 |
this.offset.relative.left - // Only for relative positioned nodes: Relative offset from element to offset parent |
| 1132 |
this.offset.parent.left + // The offsetParent's offset without borders (offset + border) |
| 1133 |
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )) |
| 1134 |
) |
| 1135 |
}; |
| 1136 |
|
| 1137 |
}, |
| 1138 |
|
| 1139 |
_rearrange: function(event, i, a, hardRefresh) { |
| 1140 |
|
| 1141 |
a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction === "down" ? i.item[0] : i.item[0].nextSibling)); |
| 1142 |
|
| 1143 |
//Various things done here to improve the performance: |
| 1144 |
// 1. we create a setTimeout, that calls refreshPositions |
| 1145 |
// 2. on the instance, we have a counter variable, that get's higher after every append |
| 1146 |
// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same |
| 1147 |
// 4. this lets only the last addition to the timeout stack through |
| 1148 |
this.counter = this.counter ? ++this.counter : 1; |
| 1149 |
var counter = this.counter; |
| 1150 |
|
| 1151 |
this._delay(function() { |
| 1152 |
if(counter === this.counter) { |
| 1153 |
this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove |
| 1154 |
} |
| 1155 |
}); |
| 1156 |
|
| 1157 |
}, |
| 1158 |
|
| 1159 |
_clear: function(event, noPropagation) { |
| 1160 |
|
| 1161 |
this.reverting = false; |
| 1162 |
// We delay all events that have to be triggered to after the point where the placeholder has been removed and |
| 1163 |
// everything else normalized again |
| 1164 |
var i, |
| 1165 |
delayedTriggers = []; |
| 1166 |
|
| 1167 |
// We first have to update the dom position of the actual currentItem |
| 1168 |
// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088) |
| 1169 |
if(!this._noFinalSort && this.currentItem.parent().length) { |
| 1170 |
this.placeholder.before(this.currentItem); |
| 1171 |
} |
| 1172 |
this._noFinalSort = null; |
| 1173 |
|
| 1174 |
if(this.helper[0] === this.currentItem[0]) { |
| 1175 |
for(i in this._storedCSS) { |
| 1176 |
if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") { |
| 1177 |
this._storedCSS[i] = ""; |
| 1178 |
} |
| 1179 |
} |
| 1180 |
this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper"); |
| 1181 |
} else { |
| 1182 |
this.currentItem.show(); |
| 1183 |
} |
| 1184 |
|
| 1185 |
if(this.fromOutside && !noPropagation) { |
| 1186 |
delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); }); |
| 1187 |
} |
| 1188 |
if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) { |
| 1189 |
delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed |
| 1190 |
} |
| 1191 |
|
| 1192 |
// Check if the items Container has Changed and trigger appropriate |
| 1193 |
// events. |
| 1194 |
if (this !== this.currentContainer) { |
| 1195 |
if(!noPropagation) { |
| 1196 |
delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); }); |
| 1197 |
delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); }; }).call(this, this.currentContainer)); |
| 1198 |
delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this)); }; }).call(this, this.currentContainer)); |
| 1199 |
} |
| 1200 |
} |
| 1201 |
|
| 1202 |
|
| 1203 |
//Post events to containers |
| 1204 |
for (i = this.containers.length - 1; i >= 0; i--){ |
| 1205 |
if(!noPropagation) { |
| 1206 |
delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); }; }).call(this, this.containers[i])); |
| 1207 |
} |
| 1208 |
if(this.containers[i].containerCache.over) { |
| 1209 |
delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); }; }).call(this, this.containers[i])); |
| 1210 |
this.containers[i].containerCache.over = 0; |
| 1211 |
} |
| 1212 |
} |
| 1213 |
|
| 1214 |
//Do what was originally in plugins |
| 1215 |
if ( this.storedCursor ) { |
| 1216 |
this.document.find( "body" ).css( "cursor", this.storedCursor ); |
| 1217 |
this.storedStylesheet.remove(); |
| 1218 |
} |
| 1219 |
if(this._storedOpacity) { |
| 1220 |
this.helper.css("opacity", this._storedOpacity); |
| 1221 |
} |
| 1222 |
if(this._storedZIndex) { |
| 1223 |
this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex); |
| 1224 |
} |
| 1225 |
|
| 1226 |
this.dragging = false; |
| 1227 |
if(this.cancelHelperRemoval) { |
| 1228 |
if(!noPropagation) { |
| 1229 |
this._trigger("beforeStop", event, this._uiHash()); |
| 1230 |
for (i=0; i < delayedTriggers.length; i++) { |
| 1231 |
delayedTriggers[i].call(this, event); |
| 1232 |
} //Trigger all delayed events |
| 1233 |
this._trigger("stop", event, this._uiHash()); |
| 1234 |
} |
| 1235 |
|
| 1236 |
this.fromOutside = false; |
| 1237 |
return false; |
| 1238 |
} |
| 1239 |
|
| 1240 |
if(!noPropagation) { |
| 1241 |
this._trigger("beforeStop", event, this._uiHash()); |
| 1242 |
} |
| 1243 |
|
| 1244 |
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node! |
| 1245 |
this.placeholder[0].parentNode.removeChild(this.placeholder[0]); |
| 1246 |
|
| 1247 |
if(this.helper[0] !== this.currentItem[0]) { |
| 1248 |
this.helper.remove(); |
| 1249 |
} |
| 1250 |
this.helper = null; |
| 1251 |
|
| 1252 |
if(!noPropagation) { |
| 1253 |
for (i=0; i < delayedTriggers.length; i++) { |
| 1254 |
delayedTriggers[i].call(this, event); |
| 1255 |
} //Trigger all delayed events |
| 1256 |
this._trigger("stop", event, this._uiHash()); |
| 1257 |
} |
| 1258 |
|
| 1259 |
this.fromOutside = false; |
| 1260 |
return true; |
| 1261 |
|
| 1262 |
}, |
| 1263 |
|
| 1264 |
_trigger: function() { |
| 1265 |
if ($.Widget.prototype._trigger.apply(this, arguments) === false) { |
| 1266 |
this.cancel(); |
| 1267 |
} |
| 1268 |
}, |
| 1269 |
|
| 1270 |
_uiHash: function(_inst) { |
| 1271 |
var inst = _inst || this; |
| 1272 |
return { |
| 1273 |
helper: inst.helper, |
| 1274 |
placeholder: inst.placeholder || $([]), |
| 1275 |
position: inst.position, |
| 1276 |
originalPosition: inst.originalPosition, |
| 1277 |
offset: inst.positionAbs, |
| 1278 |
item: inst.currentItem, |
| 1279 |
sender: _inst ? _inst.element : null |
| 1280 |
}; |
| 1281 |
} |
| 1282 |
|
| 1283 |
}); |
| 1284 |
|
| 1285 |
})(jQuery); |
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