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/*!
* jQuery UI Draggable 1.11.4
* http://jqueryui.com
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/draggable/
*/
(function( factory ) {
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
define([
"jquery",
"./core",
"./mouse",
"./widget"
], factory );
} else {
// Browser globals
factory( jQuery );
}
}(function( $ ) {
$.widget("ui.draggable", $.ui.mouse, {
version: "1.11.4",
widgetEventPrefix: "drag",
options: {
addClasses: true,
appendTo: "parent",
axis: false,
connectToSortable: false,
containment: false,
cursor: "auto",
cursorAt: false,
grid: false,
handle: false,
helper: "original",
iframeFix: false,
opacity: false,
refreshPositions: false,
revert: false,
revertDuration: 500,
scope: "default",
scroll: true,
scrollSensitivity: 20,
scrollSpeed: 20,
snap: false,
snapMode: "both",
snapTolerance: 20,
stack: false,
zIndex: false,
// callbacks
drag: null,
start: null,
stop: null
},
_create: function() {
if ( this.options.helper === "original" ) {
this._setPositionRelative();
}
if (this.options.addClasses){
this.element.addClass("ui-draggable");
}
if (this.options.disabled){
this.element.addClass("ui-draggable-disabled");
}
this._setHandleClassName();
this._mouseInit();
},
_setOption: function( key, value ) {
this._super( key, value );
if ( key === "handle" ) {
this._removeHandleClassName();
this._setHandleClassName();
}
},
_destroy: function() {
if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
this.destroyOnClear = true;
return;
}
this.element.removeClass( "ui-draggable ui-draggable-dragging ui-draggable-disabled" );
this._removeHandleClassName();
this._mouseDestroy();
},
_mouseCapture: function(event) {
var o = this.options;
this._blurActiveElement( event );
// among others, prevent a drag on a resizable-handle
if (this.helper || o.disabled || $(event.target).closest(".ui-resizable-handle").length > 0) {
return false;
}
//Quit if we're not on a valid handle
this.handle = this._getHandle(event);
if (!this.handle) {
return false;
}
this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );
return true;
},
_blockFrames: function( selector ) {
this.iframeBlocks = this.document.find( selector ).map(function() {
var iframe = $( this );
return $( "<div>" )
.css( "position", "absolute" )
.appendTo( iframe.parent() )
.outerWidth( iframe.outerWidth() )
.outerHeight( iframe.outerHeight() )
.offset( iframe.offset() )[ 0 ];
});
},
_unblockFrames: function() {
if ( this.iframeBlocks ) {
this.iframeBlocks.remove();
delete this.iframeBlocks;
}
},
_blurActiveElement: function( event ) {
var document = this.document[ 0 ];
// Only need to blur if the event occurred on the draggable itself, see #10527
if ( !this.handleElement.is( event.target ) ) {
return;
}
// support: IE9
// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
try {
// Support: IE9, IE10
// If the <body> is blurred, IE will switch windows, see #9520
if ( document.activeElement && document.activeElement.nodeName.toLowerCase() !== "body" ) {
// Blur any element that currently has focus, see #4261
$( document.activeElement ).blur();
}
} catch ( error ) {}
},
_mouseStart: function(event) {
var o = this.options;
//Create and append the visible helper
this.helper = this._createHelper(event);
this.helper.addClass("ui-draggable-dragging");
//Cache the helper size
this._cacheHelperProportions();
//If ddmanager is used for droppables, set the global draggable
if ($.ui.ddmanager) {
$.ui.ddmanager.current = this;
}
/*
* - Position generation -
* This block generates everything position related - it's the core of draggables.
*/
//Cache the margins of the original element
this._cacheMargins();
//Store the helper's css position
this.cssPosition = this.helper.css( "position" );
this.scrollParent = this.helper.scrollParent( true );
this.offsetParent = this.helper.offsetParent();
this.hasFixedAncestor = this.helper.parents().filter(function() {
return $( this ).css( "position" ) === "fixed";
}).length > 0;
//The element's absolute position on the page minus margins
this.positionAbs = this.element.offset();
this._refreshOffsets( event );
//Generate the original position
this.originalPosition = this.position = this._generatePosition( event, false );
this.originalPageX = event.pageX;
this.originalPageY = event.pageY;
//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
//Set a containment if given in the options
this._setContainment();
//Trigger event + callbacks
if (this._trigger("start", event) === false) {
this._clear();
return false;
}
//Recache the helper size
this._cacheHelperProportions();
//Prepare the droppable offsets
if ($.ui.ddmanager && !o.dropBehaviour) {
$.ui.ddmanager.prepareOffsets(this, event);
}
// Reset helper's right/bottom css if they're set and set explicit width/height instead
// as this prevents resizing of elements with right/bottom set (see #7772)
this._normalizeRightBottom();
this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
//If the ddmanager is used for droppables, inform the manager that dragging has started (see #5003)
if ( $.ui.ddmanager ) {
$.ui.ddmanager.dragStart(this, event);
}
return true;
},
_refreshOffsets: function( event ) {
this.offset = {
top: this.positionAbs.top - this.margins.top,
left: this.positionAbs.left - this.margins.left,
scroll: false,
parent: this._getParentOffset(),
relative: this._getRelativeOffset()
};
this.offset.click = {
left: event.pageX - this.offset.left,
top: event.pageY - this.offset.top
};
},
_mouseDrag: function(event, noPropagation) {
// reset any necessary cached properties (see #5009)
if ( this.hasFixedAncestor ) {
this.offset.parent = this._getParentOffset();
}
//Compute the helpers position
this.position = this._generatePosition( event, true );
this.positionAbs = this._convertPositionTo("absolute");
//Call plugins and callbacks and use the resulting position if something is returned
if (!noPropagation) {
var ui = this._uiHash();
if (this._trigger("drag", event, ui) === false) {
this._mouseUp({});
return false;
}
this.position = ui.position;
}
this.helper[ 0 ].style.left = this.position.left + "px";
this.helper[ 0 ].style.top = this.position.top + "px";
if ($.ui.ddmanager) {
$.ui.ddmanager.drag(this, event);
}
return false;
},
_mouseStop: function(event) {
//If we are using droppables, inform the manager about the drop
var that = this,
dropped = false;
if ($.ui.ddmanager && !this.options.dropBehaviour) {
dropped = $.ui.ddmanager.drop(this, event);
}
//if a drop comes from outside (a sortable)
if (this.dropped) {
dropped = this.dropped;
this.dropped = false;
}
if ((this.options.revert === "invalid" && !dropped) || (this.options.revert === "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
if (that._trigger("stop", event) !== false) {
that._clear();
}
});
} else {
if (this._trigger("stop", event) !== false) {
this._clear();
}
}
return false;
},
_mouseUp: function( event ) {
this._unblockFrames();
//If the ddmanager is used for droppables, inform the manager that dragging has stopped (see #5003)
if ( $.ui.ddmanager ) {
$.ui.ddmanager.dragStop(this, event);
}
// Only need to focus if the event occurred on the draggable itself, see #10527
if ( this.handleElement.is( event.target ) ) {
// The interaction is over; whether or not the click resulted in a drag, focus the element
this.element.focus();
}
return $.ui.mouse.prototype._mouseUp.call(this, event);
},
cancel: function() {
if (this.helper.is(".ui-draggable-dragging")) {
this._mouseUp({});
} else {
this._clear();
}
return this;
},
_getHandle: function(event) {
return this.options.handle ?
!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
true;
},
_setHandleClassName: function() {
this.handleElement = this.options.handle ?
this.element.find( this.options.handle ) : this.element;
this.handleElement.addClass( "ui-draggable-handle" );
},
_removeHandleClassName: function() {
this.handleElement.removeClass( "ui-draggable-handle" );
},
_createHelper: function(event) {
var o = this.options,
helperIsFunction = $.isFunction( o.helper ),
helper = helperIsFunction ?
$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
( o.helper === "clone" ?
this.element.clone().removeAttr( "id" ) :
this.element );
if (!helper.parents("body").length) {
helper.appendTo((o.appendTo === "parent" ? this.element[0].parentNode : o.appendTo));
}
// http://bugs.jqueryui.com/ticket/9446
// a helper function can return the original element
// which wouldn't have been set to relative in _create
if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
this._setPositionRelative();
}
if (helper[0] !== this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) {
helper.css("position", "absolute");
}
return helper;
},
_setPositionRelative: function() {
if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
this.element[ 0 ].style.position = "relative";
}
},
_adjustOffsetFromHelper: function(obj) {
if (typeof obj === "string") {
obj = obj.split(" ");
}
if ($.isArray(obj)) {
obj = { left: +obj[0], top: +obj[1] || 0 };
}
if ("left" in obj) {
this.offset.click.left = obj.left + this.margins.left;
}
if ("right" in obj) {
this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
}
if ("top" in obj) {
this.offset.click.top = obj.top + this.margins.top;
}
if ("bottom" in obj) {
this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
}
},
_isRootNode: function( element ) {
return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
},
_getParentOffset: function() {
//Get the offsetParent and cache its position
var po = this.offsetParent.offset(),
document = this.document[ 0 ];
// This is a special case where we need to modify a offset calculated on start, since the following happened:
// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
// the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
if (this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
po.left += this.scrollParent.scrollLeft();
po.top += this.scrollParent.scrollTop();
}
if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
po = { top: 0, left: 0 };
}
return {
top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"), 10) || 0),
left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"), 10) || 0)
};
},
_getRelativeOffset: function() {
if ( this.cssPosition !== "relative" ) {
return { top: 0, left: 0 };
}
var p = this.element.position(),
scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
return {
top: p.top - ( parseInt(this.helper.css( "top" ), 10) || 0 ) + ( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
left: p.left - ( parseInt(this.helper.css( "left" ), 10) || 0 ) + ( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
};
},
_cacheMargins: function() {
this.margins = {
left: (parseInt(this.element.css("marginLeft"), 10) || 0),
top: (parseInt(this.element.css("marginTop"), 10) || 0),
right: (parseInt(this.element.css("marginRight"), 10) || 0),
bottom: (parseInt(this.element.css("marginBottom"), 10) || 0)
};
},
_cacheHelperProportions: function() {
this.helperProportions = {
width: this.helper.outerWidth(),
height: this.helper.outerHeight()
};
},
_setContainment: function() {
var isUserScrollable, c, ce,
o = this.options,
document = this.document[ 0 ];
this.relativeContainer = null;
if ( !o.containment ) {
this.containment = null;
return;
}
if ( o.containment === "window" ) {
this.containment = [
$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
$( window ).scrollLeft() + $( window ).width() - this.helperProportions.width - this.margins.left,
$( window ).scrollTop() + ( $( window ).height() || document.body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top
];
return;
}
if ( o.containment === "document") {
this.containment = [
0,
0,
$( document ).width() - this.helperProportions.width - this.margins.left,
( $( document ).height() || document.body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top
];
return;
}
if ( o.containment.constructor === Array ) {
this.containment = o.containment;
return;
}
if ( o.containment === "parent" ) {
o.containment = this.helper[ 0 ].parentNode;
}
c = $( o.containment );
ce = c[ 0 ];
if ( !ce ) {
return;
}
isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );
this.containment = [
( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) + ( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) + ( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
this.helperProportions.width -
this.margins.left -
this.margins.right,
( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
this.helperProportions.height -
this.margins.top -
this.margins.bottom
];
this.relativeContainer = c;
},
_convertPositionTo: function(d, pos) {
if (!pos) {
pos = this.position;
}
var mod = d === "absolute" ? 1 : -1,
scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
return {
top: (
pos.top + // The absolute mouse position
this.offset.relative.top * mod + // Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.parent.top * mod - // The offsetParent's offset without borders (offset + border)
( ( this.cssPosition === "fixed" ? -this.offset.scroll.top : ( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod)
),
left: (
pos.left + // The absolute mouse position
this.offset.relative.left * mod + // Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.parent.left * mod - // The offsetParent's offset without borders (offset + border)
( ( this.cssPosition === "fixed" ? -this.offset.scroll.left : ( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod)
)
};
},
_generatePosition: function( event, constrainPosition ) {
var containment, co, top, left,
o = this.options,
scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
pageX = event.pageX,
pageY = event.pageY;
// Cache the scroll
if ( !scrollIsRootNode || !this.offset.scroll ) {
this.offset.scroll = {
top: this.scrollParent.scrollTop(),
left: this.scrollParent.scrollLeft()
};
}
/*
* - Position constraining -
* Constrain the position to a mix of grid, containment.
*/
// If we are not dragging yet, we won't check for options
if ( constrainPosition ) {
if ( this.containment ) {
if ( this.relativeContainer ){
co = this.relativeContainer.offset();
containment = [
this.containment[ 0 ] + co.left,
this.containment[ 1 ] + co.top,
this.containment[ 2 ] + co.left,
this.containment[ 3 ] + co.top
];
} else {
containment = this.containment;
}
if (event.pageX - this.offset.click.left < containment[0]) {
pageX = containment[0] + this.offset.click.left;
}
if (event.pageY - this.offset.click.top < containment[1]) {
pageY = containment[1] + this.offset.click.top;
}
if (event.pageX - this.offset.click.left > containment[2]) {
pageX = containment[2] + this.offset.click.left;
}
if (event.pageY - this.offset.click.top > containment[3]) {
pageY = containment[3] + this.offset.click.top;
}
}
if (o.grid) {
//Check for grid elements set to 0 to prevent divide by 0 error causing invalid argument errors in IE (see ticket #6950)
top = o.grid[1] ? this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1] : this.originalPageY;
pageY = containment ? ((top - this.offset.click.top >= containment[1] || top - this.offset.click.top > containment[3]) ? top : ((top - this.offset.click.top >= containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
left = o.grid[0] ? this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0] : this.originalPageX;
pageX = containment ? ((left - this.offset.click.left >= containment[0] || left - this.offset.click.left > containment[2]) ? left : ((left - this.offset.click.left >= containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
}
if ( o.axis === "y" ) {
pageX = this.originalPageX;
}
if ( o.axis === "x" ) {
pageY = this.originalPageY;
}
}
return {
top: (
pageY - // The absolute mouse position
this.offset.click.top - // Click offset (relative to the element)
this.offset.relative.top - // Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.parent.top + // The offsetParent's offset without borders (offset + border)
( this.cssPosition === "fixed" ? -this.offset.scroll.top : ( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
),
left: (
pageX - // The absolute mouse position
this.offset.click.left - // Click offset (relative to the element)
this.offset.relative.left - // Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.parent.left + // The offsetParent's offset without borders (offset + border)
( this.cssPosition === "fixed" ? -this.offset.scroll.left : ( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
)
};
},
_clear: function() {
this.helper.removeClass("ui-draggable-dragging");
if (this.helper[0] !== this.element[0] && !this.cancelHelperRemoval) {
this.helper.remove();
}
this.helper = null;
this.cancelHelperRemoval = false;
if ( this.destroyOnClear ) {
this.destroy();
}
},
_normalizeRightBottom: function() {
if ( this.options.axis !== "y" && this.helper.css( "right" ) !== "auto" ) {
this.helper.width( this.helper.width() );
this.helper.css( "right", "auto" );
}
if ( this.options.axis !== "x" && this.helper.css( "bottom" ) !== "auto" ) {
this.helper.height( this.helper.height() );
this.helper.css( "bottom", "auto" );
}
},
// From now on bulk stuff - mainly helpers
_trigger: function( type, event, ui ) {
ui = ui || this._uiHash();
$.ui.plugin.call( this, type, [ event, ui, this ], true );
// Absolute position and offset (see #6884 ) have to be recalculated after plugins
if ( /^(drag|start|stop)/.test( type ) ) {
this.positionAbs = this._convertPositionTo( "absolute" );
ui.offset = this.positionAbs;
}
return $.Widget.prototype._trigger.call( this, type, event, ui );
},
plugins: {},
_uiHash: function() {
return {
helper: this.helper,
position: this.position,
originalPosition: this.originalPosition,
offset: this.positionAbs
};
}
});
$.ui.plugin.add( "draggable", "connectToSortable", {
start: function( event, ui, draggable ) {
var uiSortable = $.extend( {}, ui, {
item: draggable.element
});
draggable.sortables = [];
$( draggable.options.connectToSortable ).each(function() {
var sortable = $( this ).sortable( "instance" );
if ( sortable && !sortable.options.disabled ) {
draggable.sortables.push( sortable );
// refreshPositions is called at drag start to refresh the containerCache
// which is used in drag. This ensures it's initialized and synchronized
// with any changes that might have happened on the page since initialization.
sortable.refreshPositions();
sortable._trigger("activate", event, uiSortable);
}
});
},
stop: function( event, ui, draggable ) {
var uiSortable = $.extend( {}, ui, {
item: draggable.element
});
draggable.cancelHelperRemoval = false;
$.each( draggable.sortables, function() {
var sortable = this;
if ( sortable.isOver ) {
sortable.isOver = 0;
// Allow this sortable to handle removing the helper
draggable.cancelHelperRemoval = true;
sortable.cancelHelperRemoval = false;
// Use _storedCSS To restore properties in the sortable,
// as this also handles revert (#9675) since the draggable
// may have modified them in unexpected ways (#8809)
sortable._storedCSS = {
position: sortable.placeholder.css( "position" ),
top: sortable.placeholder.css( "top" ),
left: sortable.placeholder.css( "left" )
};
sortable._mouseStop(event);
// Once drag has ended, the sortable should return to using
// its original helper, not the shared helper from draggable
sortable.options.helper = sortable.options._helper;
} else {
// Prevent this Sortable from removing the helper.
// However, don't set the draggable to remove the helper
// either as another connected Sortable may yet handle the removal.
sortable.cancelHelperRemoval = true;
sortable._trigger( "deactivate", event, uiSortable );
}
});
},
drag: function( event, ui, draggable ) {
$.each( draggable.sortables, function() {
var innermostIntersecting = false,
sortable = this;
// Copy over variables that sortable's _intersectsWith uses
sortable.positionAbs = draggable.positionAbs;
sortable.helperProportions = draggable.helperProportions;
sortable.offset.click = draggable.offset.click;
if ( sortable._intersectsWith( sortable.containerCache ) ) {
innermostIntersecting = true;
$.each( draggable.sortables, function() {
// Copy over variables that sortable's _intersectsWith uses
this.positionAbs = draggable.positionAbs;
this.helperProportions = draggable.helperProportions;
this.offset.click = draggable.offset.click;
if ( this !== sortable &&
this._intersectsWith( this.containerCache ) &&
$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
innermostIntersecting = false;
}
return innermostIntersecting;
});
}
if ( innermostIntersecting ) {
// If it intersects, we use a little isOver variable and set it once,
// so that the move-in stuff gets fired only once.
if ( !sortable.isOver ) {
sortable.isOver = 1;
// Store draggable's parent in case we need to reappend to it later.
draggable._parent = ui.helper.parent();
sortable.currentItem = ui.helper
.appendTo( sortable.element )
.data( "ui-sortable-item", true );
// Store helper option to later restore it
sortable.options._helper = sortable.options.helper;
sortable.options.helper = function() {
return ui.helper[ 0 ];
};
// Fire the start events of the sortable with our passed browser event,
// and our own helper (so it doesn't create a new one)
event.target = sortable.currentItem[ 0 ];
sortable._mouseCapture( event, true );
sortable._mouseStart( event, true, true );
// Because the browser event is way off the new appended portlet,
// modify necessary variables to reflect the changes
sortable.offset.click.top = draggable.offset.click.top;
sortable.offset.click.left = draggable.offset.click.left;
sortable.offset.parent.left -= draggable.offset.parent.left -
sortable.offset.parent.left;
sortable.offset.parent.top -= draggable.offset.parent.top -
sortable.offset.parent.top;
draggable._trigger( "toSortable", event );
// Inform draggable that the helper is in a valid drop zone,
// used solely in the revert option to handle "valid/invalid".
draggable.dropped = sortable.element;
// Need to refreshPositions of all sortables in the case that
// adding to one sortable changes the location of the other sortables (#9675)
$.each( draggable.sortables, function() {
this.refreshPositions();
});
// hack so receive/update callbacks work (mostly)
draggable.currentItem = draggable.element;
sortable.fromOutside = draggable;
}
if ( sortable.currentItem ) {
sortable._mouseDrag( event );
// Copy the sortable's position because the draggable's can potentially reflect
// a relative position, while sortable is always absolute, which the dragged
// element has now become. (#8809)
ui.position = sortable.position;
}
} else {
// If it doesn't intersect with the sortable, and it intersected before,
// we fake the drag stop of the sortable, but make sure it doesn't remove
// the helper by using cancelHelperRemoval.
if ( sortable.isOver ) {
sortable.isOver = 0;
sortable.cancelHelperRemoval = true;
// Calling sortable's mouseStop would trigger a revert,
// so revert must be temporarily false until after mouseStop is called.
sortable.options._revert = sortable.options.revert;
sortable.options.revert = false;
sortable._trigger( "out", event, sortable._uiHash( sortable ) );
sortable._mouseStop( event, true );
// restore sortable behaviors that were modfied
// when the draggable entered the sortable area (#9481)
sortable.options.revert = sortable.options._revert;
sortable.options.helper = sortable.options._helper;
if ( sortable.placeholder ) {
sortable.placeholder.remove();
}
// Restore and recalculate the draggable's offset considering the sortable
// may have modified them in unexpected ways. (#8809, #10669)
ui.helper.appendTo( draggable._parent );
draggable._refreshOffsets( event );
ui.position = draggable._generatePosition( event, true );
draggable._trigger( "fromSortable", event );
// Inform draggable that the helper is no longer in a valid drop zone
draggable.dropped = false;
// Need to refreshPositions of all sortables just in case removing
// from one sortable changes the location of other sortables (#9675)
$.each( draggable.sortables, function() {
this.refreshPositions();
});
}
}
});
}
});
$.ui.plugin.add("draggable", "cursor", {
start: function( event, ui, instance ) {
var t = $( "body" ),
o = instance.options;
if (t.css("cursor")) {
o._cursor = t.css("cursor");
}
t.css("cursor", o.cursor);
},
stop: function( event, ui, instance ) {
var o = instance.options;
if (o._cursor) {
$("body").css("cursor", o._cursor);
}
}
});
$.ui.plugin.add("draggable", "opacity", {
start: function( event, ui, instance ) {
var t = $( ui.helper ),
o = instance.options;
if (t.css("opacity")) {
o._opacity = t.css("opacity");
}
t.css("opacity", o.opacity);
},
stop: function( event, ui, instance ) {
var o = instance.options;
if (o._opacity) {
$(ui.helper).css("opacity", o._opacity);
}
}
});
$.ui.plugin.add("draggable", "scroll", {
start: function( event, ui, i ) {
if ( !i.scrollParentNotHidden ) {
i.scrollParentNotHidden = i.helper.scrollParent( false );
}
if ( i.scrollParentNotHidden[ 0 ] !== i.document[ 0 ] && i.scrollParentNotHidden[ 0 ].tagName !== "HTML" ) {
i.overflowOffset = i.scrollParentNotHidden.offset();
}
},
drag: function( event, ui, i ) {
var o = i.options,
scrolled = false,
scrollParent = i.scrollParentNotHidden[ 0 ],
document = i.document[ 0 ];
if ( scrollParent !== document && scrollParent.tagName !== "HTML" ) {
if ( !o.axis || o.axis !== "x" ) {
if ( ( i.overflowOffset.top + scrollParent.offsetHeight ) - event.pageY < o.scrollSensitivity ) {
scrollParent.scrollTop = scrolled = scrollParent.scrollTop + o.scrollSpeed;
} else if ( event.pageY - i.overflowOffset.top < o.scrollSensitivity ) {
scrollParent.scrollTop = scrolled = scrollParent.scrollTop - o.scrollSpeed;
}
}
if ( !o.axis || o.axis !== "y" ) {
if ( ( i.overflowOffset.left + scrollParent.offsetWidth ) - event.pageX < o.scrollSensitivity ) {
scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft + o.scrollSpeed;
} else if ( event.pageX - i.overflowOffset.left < o.scrollSensitivity ) {
scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft - o.scrollSpeed;
}
}
} else {
if (!o.axis || o.axis !== "x") {
if (event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
} else if ($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
}
}
if (!o.axis || o.axis !== "y") {
if (event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
} else if ($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
}
}
}
if (scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
$.ui.ddmanager.prepareOffsets(i, event);
}
}
});
$.ui.plugin.add("draggable", "snap", {
start: function( event, ui, i ) {
var o = i.options;
i.snapElements = [];
$(o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap).each(function() {
var $t = $(this),
$o = $t.offset();
if (this !== i.element[0]) {
i.snapElements.push({
item: this,
width: $t.outerWidth(), height: $t.outerHeight(),
top: $o.top, left: $o.left
});
}
});
},
drag: function( event, ui, inst ) {
var ts, bs, ls, rs, l, r, t, b, i, first,
o = inst.options,
d = o.snapTolerance,
x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;
for (i = inst.snapElements.length - 1; i >= 0; i--){
l = inst.snapElements[i].left - inst.margins.left;
r = l + inst.snapElements[i].width;
t = inst.snapElements[i].top - inst.margins.top;
b = t + inst.snapElements[i].height;
if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d || !$.contains( inst.snapElements[ i ].item.ownerDocument, inst.snapElements[ i ].item ) ) {
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 })));
}
inst.snapElements[i].snapping = false;
continue;
}
if (o.snapMode !== "inner") {
ts = Math.abs(t - y2) <= d;
bs = Math.abs(b - y1) <= d;
ls = Math.abs(l - x2) <= d;
rs = Math.abs(r - x1) <= d;
if (ts) {
ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top;
}
if (bs) {
ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top;
}
if (ls) {
ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left;
}
if (rs) {
ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left;
}
}
first = (ts || bs || ls || rs);
if (o.snapMode !== "outer") {
ts = Math.abs(t - y1) <= d;
bs = Math.abs(b - y2) <= d;
ls = Math.abs(l - x1) <= d;
rs = Math.abs(r - x2) <= d;
if (ts) {
ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top;
}
if (bs) {
ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top;
}
if (ls) {
ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left;
}
if (rs) {
ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left;
}
}
if (!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) {
(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
}
inst.snapElements[i].snapping = (ts || bs || ls || rs || first);
}
}
});
$.ui.plugin.add("draggable", "stack", {
start: function( event, ui, instance ) {
var min,
o = instance.options,
group = $.makeArray($(o.stack)).sort(function(a, b) {
return (parseInt($(a).css("zIndex"), 10) || 0) - (parseInt($(b).css("zIndex"), 10) || 0);
});
if (!group.length) { return; }
min = parseInt($(group[0]).css("zIndex"), 10) || 0;
$(group).each(function(i) {
$(this).css("zIndex", min + i);
});
this.css("zIndex", (min + group.length));
}
});
$.ui.plugin.add("draggable", "zIndex", {
start: function( event, ui, instance ) {
var t = $( ui.helper ),
o = instance.options;
if (t.css("zIndex")) {
o._zIndex = t.css("zIndex");
}
t.css("zIndex", o.zIndex);
},
stop: function( event, ui, instance ) {
var o = instance.options;
if (o._zIndex) {
$(ui.helper).css("zIndex", o._zIndex);
}
}
});
return $.ui.draggable;
}));