mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-12-07 06:14:24 +00:00
1555 lines
45 KiB
JavaScript
1555 lines
45 KiB
JavaScript
/*!
|
|
* jQuery UI Sortable @VERSION
|
|
* http://jqueryui.com
|
|
*
|
|
* Copyright jQuery Foundation and other contributors
|
|
* Released under the MIT license.
|
|
* http://jquery.org/license
|
|
*/
|
|
|
|
//>>label: Sortable
|
|
//>>group: Interactions
|
|
//>>description: Enables items in a list to be sorted using the mouse.
|
|
//>>docs: http://api.jqueryui.com/sortable/
|
|
//>>demos: http://jqueryui.com/sortable/
|
|
//>>css.structure: ../../themes/base/sortable.css
|
|
|
|
( function( factory ) {
|
|
if ( typeof define === "function" && define.amd ) {
|
|
|
|
// AMD. Register as an anonymous module.
|
|
define( [
|
|
"jquery",
|
|
"./mouse",
|
|
"../data",
|
|
"../ie",
|
|
"../scroll-parent",
|
|
"../version",
|
|
"../widget"
|
|
], factory );
|
|
} else {
|
|
|
|
// Browser globals
|
|
factory( jQuery );
|
|
}
|
|
}( function( $ ) {
|
|
|
|
return $.widget( "ui.sortable", $.ui.mouse, {
|
|
version: "@VERSION",
|
|
widgetEventPrefix: "sort",
|
|
ready: false,
|
|
options: {
|
|
appendTo: "parent",
|
|
axis: false,
|
|
connectWith: false,
|
|
containment: false,
|
|
cursor: "auto",
|
|
cursorAt: false,
|
|
dropOnEmpty: true,
|
|
forcePlaceholderSize: false,
|
|
forceHelperSize: false,
|
|
grid: false,
|
|
handle: false,
|
|
helper: "original",
|
|
items: "> *",
|
|
opacity: false,
|
|
placeholder: false,
|
|
revert: false,
|
|
scroll: true,
|
|
scrollSensitivity: 20,
|
|
scrollSpeed: 20,
|
|
scope: "default",
|
|
tolerance: "intersect",
|
|
zIndex: 1000,
|
|
|
|
// Callbacks
|
|
activate: null,
|
|
beforeStop: null,
|
|
change: null,
|
|
deactivate: null,
|
|
out: null,
|
|
over: null,
|
|
receive: null,
|
|
remove: null,
|
|
sort: null,
|
|
start: null,
|
|
stop: null,
|
|
update: null
|
|
},
|
|
|
|
_isOverAxis: function( x, reference, size ) {
|
|
return ( x >= reference ) && ( x < ( reference + size ) );
|
|
},
|
|
|
|
_isFloating: function( item ) {
|
|
return ( /left|right/ ).test( item.css( "float" ) ) ||
|
|
( /inline|table-cell/ ).test( item.css( "display" ) );
|
|
},
|
|
|
|
_create: function() {
|
|
this.containerCache = {};
|
|
this._addClass( "ui-sortable" );
|
|
|
|
//Get the items
|
|
this.refresh();
|
|
|
|
//Let's determine the parent's offset
|
|
this.offset = this.element.offset();
|
|
|
|
//Initialize mouse events for interaction
|
|
this._mouseInit();
|
|
|
|
this._setHandleClassName();
|
|
|
|
//We're ready to go
|
|
this.ready = true;
|
|
|
|
},
|
|
|
|
_setOption: function( key, value ) {
|
|
this._super( key, value );
|
|
|
|
if ( key === "handle" ) {
|
|
this._setHandleClassName();
|
|
}
|
|
},
|
|
|
|
_setHandleClassName: function() {
|
|
var that = this;
|
|
this._removeClass( this.element.find( ".ui-sortable-handle" ), "ui-sortable-handle" );
|
|
$.each( this.items, function() {
|
|
that._addClass(
|
|
this.instance.options.handle ?
|
|
this.item.find( this.instance.options.handle ) :
|
|
this.item,
|
|
"ui-sortable-handle"
|
|
);
|
|
} );
|
|
},
|
|
|
|
_destroy: function() {
|
|
this._mouseDestroy();
|
|
|
|
for ( var i = this.items.length - 1; i >= 0; i-- ) {
|
|
this.items[ i ].item.removeData( this.widgetName + "-item" );
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
_mouseCapture: function( event, overrideHandle ) {
|
|
var currentItem = null,
|
|
validHandle = false,
|
|
that = this;
|
|
|
|
if ( this.reverting ) {
|
|
return false;
|
|
}
|
|
|
|
if ( this.options.disabled || this.options.type === "static" ) {
|
|
return false;
|
|
}
|
|
|
|
//We have to refresh the items data once first
|
|
this._refreshItems( event );
|
|
|
|
//Find out if the clicked node (or one of its parents) is a actual item in this.items
|
|
$( event.target ).parents().each( function() {
|
|
if ( $.data( this, that.widgetName + "-item" ) === that ) {
|
|
currentItem = $( this );
|
|
return false;
|
|
}
|
|
} );
|
|
if ( $.data( event.target, that.widgetName + "-item" ) === that ) {
|
|
currentItem = $( event.target );
|
|
}
|
|
|
|
if ( !currentItem ) {
|
|
return false;
|
|
}
|
|
if ( this.options.handle && !overrideHandle ) {
|
|
$( this.options.handle, currentItem ).find( "*" ).addBack().each( function() {
|
|
if ( this === event.target ) {
|
|
validHandle = true;
|
|
}
|
|
} );
|
|
if ( !validHandle ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
this.currentItem = currentItem;
|
|
this._removeCurrentsFromItems();
|
|
return true;
|
|
|
|
},
|
|
|
|
_mouseStart: function( event, overrideHandle, noActivation ) {
|
|
|
|
var i, body,
|
|
o = this.options;
|
|
|
|
this.currentContainer = this;
|
|
|
|
//We only need to call refreshPositions, because the refreshItems call has been moved to
|
|
// mouseCapture
|
|
this.refreshPositions();
|
|
|
|
//Create and append the visible helper
|
|
this.helper = this._createHelper( event );
|
|
|
|
//Cache the helper size
|
|
this._cacheHelperProportions();
|
|
|
|
/*
|
|
* - Position generation -
|
|
* This block generates everything position related - it's the core of draggables.
|
|
*/
|
|
|
|
//Cache the margins of the original element
|
|
this._cacheMargins();
|
|
|
|
//Get the next scrolling parent
|
|
this.scrollParent = this.helper.scrollParent();
|
|
|
|
//The element's absolute position on the page minus margins
|
|
this.offset = this.currentItem.offset();
|
|
this.offset = {
|
|
top: this.offset.top - this.margins.top,
|
|
left: this.offset.left - this.margins.left
|
|
};
|
|
|
|
$.extend( this.offset, {
|
|
click: { //Where the click happened, relative to the element
|
|
left: event.pageX - this.offset.left,
|
|
top: event.pageY - this.offset.top
|
|
},
|
|
parent: this._getParentOffset(),
|
|
|
|
// This is a relative to absolute position minus the actual position calculation -
|
|
// only used for relative positioned helper
|
|
relative: this._getRelativeOffset()
|
|
} );
|
|
|
|
// Only after we got the offset, we can change the helper's position to absolute
|
|
// TODO: Still need to figure out a way to make relative sorting possible
|
|
this.helper.css( "position", "absolute" );
|
|
this.cssPosition = this.helper.css( "position" );
|
|
|
|
//Generate the original position
|
|
this.originalPosition = this._generatePosition( event );
|
|
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 ) );
|
|
|
|
//Cache the former DOM position
|
|
this.domPosition = {
|
|
prev: this.currentItem.prev()[ 0 ],
|
|
parent: this.currentItem.parent()[ 0 ]
|
|
};
|
|
|
|
// 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
|
|
if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
|
|
this.currentItem.hide();
|
|
}
|
|
|
|
//Create the placeholder
|
|
this._createPlaceholder();
|
|
|
|
//Set a containment if given in the options
|
|
if ( o.containment ) {
|
|
this._setContainment();
|
|
}
|
|
|
|
if ( o.cursor && o.cursor !== "auto" ) { // cursor option
|
|
body = this.document.find( "body" );
|
|
|
|
// Support: IE
|
|
this.storedCursor = body.css( "cursor" );
|
|
body.css( "cursor", o.cursor );
|
|
|
|
this.storedStylesheet =
|
|
$( "<style>*{ cursor: " + o.cursor + " !important; }</style>" ).appendTo( body );
|
|
}
|
|
|
|
if ( o.opacity ) { // opacity option
|
|
if ( this.helper.css( "opacity" ) ) {
|
|
this._storedOpacity = this.helper.css( "opacity" );
|
|
}
|
|
this.helper.css( "opacity", o.opacity );
|
|
}
|
|
|
|
if ( o.zIndex ) { // zIndex option
|
|
if ( this.helper.css( "zIndex" ) ) {
|
|
this._storedZIndex = this.helper.css( "zIndex" );
|
|
}
|
|
this.helper.css( "zIndex", o.zIndex );
|
|
}
|
|
|
|
//Prepare scrolling
|
|
if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
|
|
this.scrollParent[ 0 ].tagName !== "HTML" ) {
|
|
this.overflowOffset = this.scrollParent.offset();
|
|
}
|
|
|
|
//Call callbacks
|
|
this._trigger( "start", event, this._uiHash() );
|
|
|
|
//Recache the helper size
|
|
if ( !this._preserveHelperProportions ) {
|
|
this._cacheHelperProportions();
|
|
}
|
|
|
|
//Post "activate" events to possible containers
|
|
if ( !noActivation ) {
|
|
for ( i = this.containers.length - 1; i >= 0; i-- ) {
|
|
this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
|
|
}
|
|
}
|
|
|
|
//Prepare possible droppables
|
|
if ( $.ui.ddmanager ) {
|
|
$.ui.ddmanager.current = this;
|
|
}
|
|
|
|
if ( $.ui.ddmanager && !o.dropBehaviour ) {
|
|
$.ui.ddmanager.prepareOffsets( this, event );
|
|
}
|
|
|
|
this.dragging = true;
|
|
|
|
this._addClass( this.helper, "ui-sortable-helper" );
|
|
|
|
// Execute the drag once - this causes the helper not to be visiblebefore getting its
|
|
// correct position
|
|
this._mouseDrag( event );
|
|
return true;
|
|
|
|
},
|
|
|
|
_mouseDrag: function( event ) {
|
|
var i, item, itemElement, intersection,
|
|
o = this.options,
|
|
scrolled = false;
|
|
|
|
//Compute the helpers position
|
|
this.position = this._generatePosition( event );
|
|
this.positionAbs = this._convertPositionTo( "absolute" );
|
|
|
|
if ( !this.lastPositionAbs ) {
|
|
this.lastPositionAbs = this.positionAbs;
|
|
}
|
|
|
|
//Do scrolling
|
|
if ( this.options.scroll ) {
|
|
if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
|
|
this.scrollParent[ 0 ].tagName !== "HTML" ) {
|
|
|
|
if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) -
|
|
event.pageY < o.scrollSensitivity ) {
|
|
this.scrollParent[ 0 ].scrollTop =
|
|
scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed;
|
|
} else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) {
|
|
this.scrollParent[ 0 ].scrollTop =
|
|
scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed;
|
|
}
|
|
|
|
if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) -
|
|
event.pageX < o.scrollSensitivity ) {
|
|
this.scrollParent[ 0 ].scrollLeft = scrolled =
|
|
this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed;
|
|
} else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) {
|
|
this.scrollParent[ 0 ].scrollLeft = scrolled =
|
|
this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed;
|
|
}
|
|
|
|
} else {
|
|
|
|
if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) {
|
|
scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed );
|
|
} else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) <
|
|
o.scrollSensitivity ) {
|
|
scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed );
|
|
}
|
|
|
|
if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) {
|
|
scrolled = this.document.scrollLeft(
|
|
this.document.scrollLeft() - o.scrollSpeed
|
|
);
|
|
} else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) <
|
|
o.scrollSensitivity ) {
|
|
scrolled = this.document.scrollLeft(
|
|
this.document.scrollLeft() + o.scrollSpeed
|
|
);
|
|
}
|
|
|
|
}
|
|
|
|
if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) {
|
|
$.ui.ddmanager.prepareOffsets( this, event );
|
|
}
|
|
}
|
|
|
|
//Regenerate the absolute position used for position checks
|
|
this.positionAbs = this._convertPositionTo( "absolute" );
|
|
|
|
//Set the helper position
|
|
if ( !this.options.axis || this.options.axis !== "y" ) {
|
|
this.helper[ 0 ].style.left = this.position.left + "px";
|
|
}
|
|
if ( !this.options.axis || this.options.axis !== "x" ) {
|
|
this.helper[ 0 ].style.top = this.position.top + "px";
|
|
}
|
|
|
|
//Rearrange
|
|
for ( i = this.items.length - 1; i >= 0; i-- ) {
|
|
|
|
//Cache variables and intersection, continue if no intersection
|
|
item = this.items[ i ];
|
|
itemElement = item.item[ 0 ];
|
|
intersection = this._intersectsWithPointer( item );
|
|
if ( !intersection ) {
|
|
continue;
|
|
}
|
|
|
|
// Only put the placeholder inside the current Container, skip all
|
|
// items from other containers. This works because when moving
|
|
// an item from one container to another the
|
|
// currentContainer is switched before the placeholder is moved.
|
|
//
|
|
// Without this, moving items in "sub-sortables" can cause
|
|
// the placeholder to jitter between the outer and inner container.
|
|
if ( item.instance !== this.currentContainer ) {
|
|
continue;
|
|
}
|
|
|
|
// Cannot intersect with itself
|
|
// no useless actions that have been done before
|
|
// no action if the item moved is the parent of the item checked
|
|
if ( itemElement !== this.currentItem[ 0 ] &&
|
|
this.placeholder[ intersection === 1 ? "next" : "prev" ]()[ 0 ] !== itemElement &&
|
|
!$.contains( this.placeholder[ 0 ], itemElement ) &&
|
|
( this.options.type === "semi-dynamic" ?
|
|
!$.contains( this.element[ 0 ], itemElement ) :
|
|
true
|
|
)
|
|
) {
|
|
|
|
this.direction = intersection === 1 ? "down" : "up";
|
|
|
|
if ( this.options.tolerance === "pointer" || this._intersectsWithSides( item ) ) {
|
|
this._rearrange( event, item );
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
this._trigger( "change", event, this._uiHash() );
|
|
break;
|
|
}
|
|
}
|
|
|
|
//Post events to containers
|
|
this._contactContainers( event );
|
|
|
|
//Interconnect with droppables
|
|
if ( $.ui.ddmanager ) {
|
|
$.ui.ddmanager.drag( this, event );
|
|
}
|
|
|
|
//Call callbacks
|
|
this._trigger( "sort", event, this._uiHash() );
|
|
|
|
this.lastPositionAbs = this.positionAbs;
|
|
return false;
|
|
|
|
},
|
|
|
|
_mouseStop: function( event, noPropagation ) {
|
|
|
|
if ( !event ) {
|
|
return;
|
|
}
|
|
|
|
//If we are using droppables, inform the manager about the drop
|
|
if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
|
|
$.ui.ddmanager.drop( this, event );
|
|
}
|
|
|
|
if ( this.options.revert ) {
|
|
var that = this,
|
|
cur = this.placeholder.offset(),
|
|
axis = this.options.axis,
|
|
animation = {};
|
|
|
|
if ( !axis || axis === "x" ) {
|
|
animation.left = cur.left - this.offset.parent.left - this.margins.left +
|
|
( this.offsetParent[ 0 ] === this.document[ 0 ].body ?
|
|
0 :
|
|
this.offsetParent[ 0 ].scrollLeft
|
|
);
|
|
}
|
|
if ( !axis || axis === "y" ) {
|
|
animation.top = cur.top - this.offset.parent.top - this.margins.top +
|
|
( this.offsetParent[ 0 ] === this.document[ 0 ].body ?
|
|
0 :
|
|
this.offsetParent[ 0 ].scrollTop
|
|
);
|
|
}
|
|
this.reverting = true;
|
|
$( this.helper ).animate(
|
|
animation,
|
|
parseInt( this.options.revert, 10 ) || 500,
|
|
function() {
|
|
that._clear( event );
|
|
}
|
|
);
|
|
} else {
|
|
this._clear( event, noPropagation );
|
|
}
|
|
|
|
return false;
|
|
|
|
},
|
|
|
|
cancel: function() {
|
|
|
|
if ( this.dragging ) {
|
|
|
|
this._mouseUp( { target: null } );
|
|
|
|
if ( this.options.helper === "original" ) {
|
|
this.currentItem.css( this._storedCSS );
|
|
this._removeClass( this.currentItem, "ui-sortable-helper" );
|
|
} else {
|
|
this.currentItem.show();
|
|
}
|
|
|
|
//Post deactivating events to containers
|
|
for ( var i = this.containers.length - 1; i >= 0; i-- ) {
|
|
this.containers[ i ]._trigger( "deactivate", null, this._uiHash( this ) );
|
|
if ( this.containers[ i ].containerCache.over ) {
|
|
this.containers[ i ]._trigger( "out", null, this._uiHash( this ) );
|
|
this.containers[ i ].containerCache.over = 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if ( this.placeholder ) {
|
|
|
|
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
|
|
// it unbinds ALL events from the original node!
|
|
if ( this.placeholder[ 0 ].parentNode ) {
|
|
this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] );
|
|
}
|
|
if ( this.options.helper !== "original" && this.helper &&
|
|
this.helper[ 0 ].parentNode ) {
|
|
this.helper.remove();
|
|
}
|
|
|
|
$.extend( this, {
|
|
helper: null,
|
|
dragging: false,
|
|
reverting: false,
|
|
_noFinalSort: null
|
|
} );
|
|
|
|
if ( this.domPosition.prev ) {
|
|
$( this.domPosition.prev ).after( this.currentItem );
|
|
} else {
|
|
$( this.domPosition.parent ).prepend( this.currentItem );
|
|
}
|
|
}
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
serialize: function( o ) {
|
|
|
|
var items = this._getItemsAsjQuery( o && o.connected ),
|
|
str = [];
|
|
o = o || {};
|
|
|
|
$( items ).each( function() {
|
|
var res = ( $( o.item || this ).attr( o.attribute || "id" ) || "" )
|
|
.match( o.expression || ( /(.+)[\-=_](.+)/ ) );
|
|
if ( res ) {
|
|
str.push(
|
|
( o.key || res[ 1 ] + "[]" ) +
|
|
"=" + ( o.key && o.expression ? res[ 1 ] : res[ 2 ] ) );
|
|
}
|
|
} );
|
|
|
|
if ( !str.length && o.key ) {
|
|
str.push( o.key + "=" );
|
|
}
|
|
|
|
return str.join( "&" );
|
|
|
|
},
|
|
|
|
toArray: function( o ) {
|
|
|
|
var items = this._getItemsAsjQuery( o && o.connected ),
|
|
ret = [];
|
|
|
|
o = o || {};
|
|
|
|
items.each( function() {
|
|
ret.push( $( o.item || this ).attr( o.attribute || "id" ) || "" );
|
|
} );
|
|
return ret;
|
|
|
|
},
|
|
|
|
/* Be careful with the following core functions */
|
|
_intersectsWith: function( item ) {
|
|
|
|
var x1 = this.positionAbs.left,
|
|
x2 = x1 + this.helperProportions.width,
|
|
y1 = this.positionAbs.top,
|
|
y2 = y1 + this.helperProportions.height,
|
|
l = item.left,
|
|
r = l + item.width,
|
|
t = item.top,
|
|
b = t + item.height,
|
|
dyClick = this.offset.click.top,
|
|
dxClick = this.offset.click.left,
|
|
isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t &&
|
|
( y1 + dyClick ) < b ),
|
|
isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l &&
|
|
( x1 + dxClick ) < r ),
|
|
isOverElement = isOverElementHeight && isOverElementWidth;
|
|
|
|
if ( this.options.tolerance === "pointer" ||
|
|
this.options.forcePointerForContainers ||
|
|
( this.options.tolerance !== "pointer" &&
|
|
this.helperProportions[ this.floating ? "width" : "height" ] >
|
|
item[ this.floating ? "width" : "height" ] )
|
|
) {
|
|
return isOverElement;
|
|
} else {
|
|
|
|
return ( l < x1 + ( this.helperProportions.width / 2 ) && // Right Half
|
|
x2 - ( this.helperProportions.width / 2 ) < r && // Left Half
|
|
t < y1 + ( this.helperProportions.height / 2 ) && // Bottom Half
|
|
y2 - ( this.helperProportions.height / 2 ) < b ); // Top Half
|
|
|
|
}
|
|
},
|
|
|
|
_intersectsWithPointer: function( item ) {
|
|
var verticalDirection, horizontalDirection,
|
|
isOverElementHeight = ( this.options.axis === "x" ) ||
|
|
this._isOverAxis(
|
|
this.positionAbs.top + this.offset.click.top, item.top, item.height ),
|
|
isOverElementWidth = ( this.options.axis === "y" ) ||
|
|
this._isOverAxis(
|
|
this.positionAbs.left + this.offset.click.left, item.left, item.width ),
|
|
isOverElement = isOverElementHeight && isOverElementWidth;
|
|
|
|
if ( !isOverElement ) {
|
|
return false;
|
|
}
|
|
|
|
verticalDirection = this._getDragVerticalDirection();
|
|
horizontalDirection = this._getDragHorizontalDirection();
|
|
|
|
return this.floating ?
|
|
( ( horizontalDirection === "right" || verticalDirection === "down" ) ? 2 : 1 )
|
|
: ( verticalDirection && ( verticalDirection === "down" ? 2 : 1 ) );
|
|
|
|
},
|
|
|
|
_intersectsWithSides: function( item ) {
|
|
|
|
var isOverBottomHalf = this._isOverAxis( this.positionAbs.top +
|
|
this.offset.click.top, item.top + ( item.height / 2 ), item.height ),
|
|
isOverRightHalf = this._isOverAxis( this.positionAbs.left +
|
|
this.offset.click.left, item.left + ( item.width / 2 ), item.width ),
|
|
verticalDirection = this._getDragVerticalDirection(),
|
|
horizontalDirection = this._getDragHorizontalDirection();
|
|
|
|
if ( this.floating && horizontalDirection ) {
|
|
return ( ( horizontalDirection === "right" && isOverRightHalf ) ||
|
|
( horizontalDirection === "left" && !isOverRightHalf ) );
|
|
} else {
|
|
return verticalDirection && ( ( verticalDirection === "down" && isOverBottomHalf ) ||
|
|
( verticalDirection === "up" && !isOverBottomHalf ) );
|
|
}
|
|
|
|
},
|
|
|
|
_getDragVerticalDirection: function() {
|
|
var delta = this.positionAbs.top - this.lastPositionAbs.top;
|
|
return delta !== 0 && ( delta > 0 ? "down" : "up" );
|
|
},
|
|
|
|
_getDragHorizontalDirection: function() {
|
|
var delta = this.positionAbs.left - this.lastPositionAbs.left;
|
|
return delta !== 0 && ( delta > 0 ? "right" : "left" );
|
|
},
|
|
|
|
refresh: function( event ) {
|
|
this._refreshItems( event );
|
|
this._setHandleClassName();
|
|
this.refreshPositions();
|
|
return this;
|
|
},
|
|
|
|
_connectWith: function() {
|
|
var options = this.options;
|
|
return options.connectWith.constructor === String ?
|
|
[ options.connectWith ] :
|
|
options.connectWith;
|
|
},
|
|
|
|
_getItemsAsjQuery: function( connected ) {
|
|
|
|
var i, j, cur, inst,
|
|
items = [],
|
|
queries = [],
|
|
connectWith = this._connectWith();
|
|
|
|
if ( connectWith && connected ) {
|
|
for ( i = connectWith.length - 1; i >= 0; i-- ) {
|
|
cur = $( connectWith[ i ], this.document[ 0 ] );
|
|
for ( j = cur.length - 1; j >= 0; j-- ) {
|
|
inst = $.data( cur[ j ], this.widgetFullName );
|
|
if ( inst && inst !== this && !inst.options.disabled ) {
|
|
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 ] );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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 ] );
|
|
|
|
function addItems() {
|
|
items.push( this );
|
|
}
|
|
for ( i = queries.length - 1; i >= 0; i-- ) {
|
|
queries[ i ][ 0 ].each( addItems );
|
|
}
|
|
|
|
return $( items );
|
|
|
|
},
|
|
|
|
_removeCurrentsFromItems: function() {
|
|
|
|
var list = this.currentItem.find( ":data(" + this.widgetName + "-item)" );
|
|
|
|
this.items = $.grep( this.items, function( item ) {
|
|
for ( var j = 0; j < list.length; j++ ) {
|
|
if ( list[ j ] === item.item[ 0 ] ) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
} );
|
|
|
|
},
|
|
|
|
_refreshItems: function( event ) {
|
|
|
|
this.items = [];
|
|
this.containers = [ this ];
|
|
|
|
var i, j, cur, inst, targetData, _queries, item, queriesLength,
|
|
items = this.items,
|
|
queries = [ [ $.isFunction( this.options.items ) ?
|
|
this.options.items.call( this.element[ 0 ], event, { item: this.currentItem } ) :
|
|
$( this.options.items, this.element ), this ] ],
|
|
connectWith = this._connectWith();
|
|
|
|
//Shouldn't be run the first time through due to massive slow-down
|
|
if ( connectWith && this.ready ) {
|
|
for ( i = connectWith.length - 1; i >= 0; i-- ) {
|
|
cur = $( connectWith[ i ], this.document[ 0 ] );
|
|
for ( j = cur.length - 1; j >= 0; j-- ) {
|
|
inst = $.data( cur[ j ], this.widgetFullName );
|
|
if ( inst && inst !== this && !inst.options.disabled ) {
|
|
queries.push( [ $.isFunction( inst.options.items ) ?
|
|
inst.options.items
|
|
.call( inst.element[ 0 ], event, { item: this.currentItem } ) :
|
|
$( inst.options.items, inst.element ), inst ] );
|
|
this.containers.push( inst );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for ( i = queries.length - 1; i >= 0; i-- ) {
|
|
targetData = queries[ i ][ 1 ];
|
|
_queries = queries[ i ][ 0 ];
|
|
|
|
for ( j = 0, queriesLength = _queries.length; j < queriesLength; j++ ) {
|
|
item = $( _queries[ j ] );
|
|
|
|
// Data for target checking (mouse manager)
|
|
item.data( this.widgetName + "-item", targetData );
|
|
|
|
items.push( {
|
|
item: item,
|
|
instance: targetData,
|
|
width: 0, height: 0,
|
|
left: 0, top: 0
|
|
} );
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
refreshPositions: function( fast ) {
|
|
|
|
// Determine whether items are being displayed horizontally
|
|
this.floating = this.items.length ?
|
|
this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
|
|
false;
|
|
|
|
//This has to be redone because due to the item being moved out/into the offsetParent,
|
|
// the offsetParent's position will change
|
|
if ( this.offsetParent && this.helper ) {
|
|
this.offset.parent = this._getParentOffset();
|
|
}
|
|
|
|
var i, item, t, p;
|
|
|
|
for ( i = this.items.length - 1; i >= 0; i-- ) {
|
|
item = this.items[ i ];
|
|
|
|
//We ignore calculating positions of all connected containers when we're not over them
|
|
if ( item.instance !== this.currentContainer && this.currentContainer &&
|
|
item.item[ 0 ] !== this.currentItem[ 0 ] ) {
|
|
continue;
|
|
}
|
|
|
|
t = this.options.toleranceElement ?
|
|
$( this.options.toleranceElement, item.item ) :
|
|
item.item;
|
|
|
|
if ( !fast ) {
|
|
item.width = t.outerWidth();
|
|
item.height = t.outerHeight();
|
|
}
|
|
|
|
p = t.offset();
|
|
item.left = p.left;
|
|
item.top = p.top;
|
|
}
|
|
|
|
if ( this.options.custom && this.options.custom.refreshContainers ) {
|
|
this.options.custom.refreshContainers.call( this );
|
|
} else {
|
|
for ( i = this.containers.length - 1; i >= 0; i-- ) {
|
|
p = this.containers[ i ].element.offset();
|
|
this.containers[ i ].containerCache.left = p.left;
|
|
this.containers[ i ].containerCache.top = p.top;
|
|
this.containers[ i ].containerCache.width =
|
|
this.containers[ i ].element.outerWidth();
|
|
this.containers[ i ].containerCache.height =
|
|
this.containers[ i ].element.outerHeight();
|
|
}
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
_createPlaceholder: function( that ) {
|
|
that = that || this;
|
|
var className,
|
|
o = that.options;
|
|
|
|
if ( !o.placeholder || o.placeholder.constructor === String ) {
|
|
className = o.placeholder;
|
|
o.placeholder = {
|
|
element: function() {
|
|
|
|
var nodeName = that.currentItem[ 0 ].nodeName.toLowerCase(),
|
|
element = $( "<" + nodeName + ">", that.document[ 0 ] );
|
|
|
|
that._addClass( element, "ui-sortable-placeholder",
|
|
className || that.currentItem[ 0 ].className )
|
|
._removeClass( element, "ui-sortable-helper" );
|
|
|
|
if ( nodeName === "tbody" ) {
|
|
that._createTrPlaceholder(
|
|
that.currentItem.find( "tr" ).eq( 0 ),
|
|
$( "<tr>", that.document[ 0 ] ).appendTo( element )
|
|
);
|
|
} else if ( nodeName === "tr" ) {
|
|
that._createTrPlaceholder( that.currentItem, element );
|
|
} else if ( nodeName === "img" ) {
|
|
element.attr( "src", that.currentItem.attr( "src" ) );
|
|
}
|
|
|
|
if ( !className ) {
|
|
element.css( "visibility", "hidden" );
|
|
}
|
|
|
|
return element;
|
|
},
|
|
update: function( container, p ) {
|
|
|
|
// 1. If a className is set as 'placeholder option, we don't force sizes -
|
|
// the class is responsible for that
|
|
// 2. The option 'forcePlaceholderSize can be enabled to force it even if a
|
|
// class name is specified
|
|
if ( className && !o.forcePlaceholderSize ) {
|
|
return;
|
|
}
|
|
|
|
//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
|
|
if ( !p.height() ) {
|
|
p.height(
|
|
that.currentItem.innerHeight() -
|
|
parseInt( that.currentItem.css( "paddingTop" ) || 0, 10 ) -
|
|
parseInt( that.currentItem.css( "paddingBottom" ) || 0, 10 ) );
|
|
}
|
|
if ( !p.width() ) {
|
|
p.width(
|
|
that.currentItem.innerWidth() -
|
|
parseInt( that.currentItem.css( "paddingLeft" ) || 0, 10 ) -
|
|
parseInt( that.currentItem.css( "paddingRight" ) || 0, 10 ) );
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
//Create the placeholder
|
|
that.placeholder = $( o.placeholder.element.call( that.element, that.currentItem ) );
|
|
|
|
//Append it after the actual current item
|
|
that.currentItem.after( that.placeholder );
|
|
|
|
//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
|
|
o.placeholder.update( that, that.placeholder );
|
|
|
|
},
|
|
|
|
_createTrPlaceholder: function( sourceTr, targetTr ) {
|
|
var that = this;
|
|
|
|
sourceTr.children().each( function() {
|
|
$( "<td> </td>", that.document[ 0 ] )
|
|
.attr( "colspan", $( this ).attr( "colspan" ) || 1 )
|
|
.appendTo( targetTr );
|
|
} );
|
|
},
|
|
|
|
_contactContainers: function( event ) {
|
|
var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom,
|
|
floating, axis,
|
|
innermostContainer = null,
|
|
innermostIndex = null;
|
|
|
|
// Get innermost container that intersects with item
|
|
for ( i = this.containers.length - 1; i >= 0; i-- ) {
|
|
|
|
// Never consider a container that's located within the item itself
|
|
if ( $.contains( this.currentItem[ 0 ], this.containers[ i ].element[ 0 ] ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( this._intersectsWith( this.containers[ i ].containerCache ) ) {
|
|
|
|
// If we've already found a container and it's more "inner" than this, then continue
|
|
if ( innermostContainer &&
|
|
$.contains(
|
|
this.containers[ i ].element[ 0 ],
|
|
innermostContainer.element[ 0 ] ) ) {
|
|
continue;
|
|
}
|
|
|
|
innermostContainer = this.containers[ i ];
|
|
innermostIndex = i;
|
|
|
|
} else {
|
|
|
|
// container doesn't intersect. trigger "out" event if necessary
|
|
if ( this.containers[ i ].containerCache.over ) {
|
|
this.containers[ i ]._trigger( "out", event, this._uiHash( this ) );
|
|
this.containers[ i ].containerCache.over = 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// If no intersecting containers found, return
|
|
if ( !innermostContainer ) {
|
|
return;
|
|
}
|
|
|
|
// Move the item into the container if it's not there already
|
|
if ( this.containers.length === 1 ) {
|
|
if ( !this.containers[ innermostIndex ].containerCache.over ) {
|
|
this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
|
|
this.containers[ innermostIndex ].containerCache.over = 1;
|
|
}
|
|
} else {
|
|
|
|
// When entering a new container, we will find the item with the least distance and
|
|
// append our item near it
|
|
dist = 10000;
|
|
itemWithLeastDistance = null;
|
|
floating = innermostContainer.floating || this._isFloating( this.currentItem );
|
|
posProperty = floating ? "left" : "top";
|
|
sizeProperty = floating ? "width" : "height";
|
|
axis = floating ? "pageX" : "pageY";
|
|
|
|
for ( j = this.items.length - 1; j >= 0; j-- ) {
|
|
if ( !$.contains(
|
|
this.containers[ innermostIndex ].element[ 0 ], this.items[ j ].item[ 0 ] )
|
|
) {
|
|
continue;
|
|
}
|
|
if ( this.items[ j ].item[ 0 ] === this.currentItem[ 0 ] ) {
|
|
continue;
|
|
}
|
|
|
|
cur = this.items[ j ].item.offset()[ posProperty ];
|
|
nearBottom = false;
|
|
if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
|
|
nearBottom = true;
|
|
}
|
|
|
|
if ( Math.abs( event[ axis ] - cur ) < dist ) {
|
|
dist = Math.abs( event[ axis ] - cur );
|
|
itemWithLeastDistance = this.items[ j ];
|
|
this.direction = nearBottom ? "up" : "down";
|
|
}
|
|
}
|
|
|
|
//Check if dropOnEmpty is enabled
|
|
if ( !itemWithLeastDistance && !this.options.dropOnEmpty ) {
|
|
return;
|
|
}
|
|
|
|
if ( this.currentContainer === this.containers[ innermostIndex ] ) {
|
|
if ( !this.currentContainer.containerCache.over ) {
|
|
this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
|
|
this.currentContainer.containerCache.over = 1;
|
|
}
|
|
return;
|
|
}
|
|
|
|
itemWithLeastDistance ?
|
|
this._rearrange( event, itemWithLeastDistance, null, true ) :
|
|
this._rearrange( event, null, this.containers[ innermostIndex ].element, true );
|
|
this._trigger( "change", event, this._uiHash() );
|
|
this.containers[ innermostIndex ]._trigger( "change", event, this._uiHash( this ) );
|
|
this.currentContainer = this.containers[ innermostIndex ];
|
|
|
|
//Update the placeholder
|
|
this.options.placeholder.update( this.currentContainer, this.placeholder );
|
|
|
|
this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
|
|
this.containers[ innermostIndex ].containerCache.over = 1;
|
|
}
|
|
|
|
},
|
|
|
|
_createHelper: function( event ) {
|
|
|
|
var o = this.options,
|
|
helper = $.isFunction( o.helper ) ?
|
|
$( o.helper.apply( this.element[ 0 ], [ event, this.currentItem ] ) ) :
|
|
( o.helper === "clone" ? this.currentItem.clone() : this.currentItem );
|
|
|
|
//Add the helper to the DOM if that didn't happen already
|
|
if ( !helper.parents( "body" ).length ) {
|
|
$( o.appendTo !== "parent" ?
|
|
o.appendTo :
|
|
this.currentItem[ 0 ].parentNode )[ 0 ].appendChild( helper[ 0 ] );
|
|
}
|
|
|
|
if ( helper[ 0 ] === this.currentItem[ 0 ] ) {
|
|
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" )
|
|
};
|
|
}
|
|
|
|
if ( !helper[ 0 ].style.width || o.forceHelperSize ) {
|
|
helper.width( this.currentItem.width() );
|
|
}
|
|
if ( !helper[ 0 ].style.height || o.forceHelperSize ) {
|
|
helper.height( this.currentItem.height() );
|
|
}
|
|
|
|
return helper;
|
|
|
|
},
|
|
|
|
_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;
|
|
}
|
|
},
|
|
|
|
_getParentOffset: function() {
|
|
|
|
//Get the offsetParent and cache its position
|
|
this.offsetParent = this.helper.offsetParent();
|
|
var po = this.offsetParent.offset();
|
|
|
|
// 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 ] !== this.document[ 0 ] &&
|
|
$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
|
|
po.left += this.scrollParent.scrollLeft();
|
|
po.top += this.scrollParent.scrollTop();
|
|
}
|
|
|
|
// This needs to be actually done for all browsers, since pageX/pageY includes this
|
|
// information with an ugly IE fix
|
|
if ( this.offsetParent[ 0 ] === this.document[ 0 ].body ||
|
|
( this.offsetParent[ 0 ].tagName &&
|
|
this.offsetParent[ 0 ].tagName.toLowerCase() === "html" && $.ui.ie ) ) {
|
|
po = { top: 0, left: 0 };
|
|
}
|
|
|
|
return {
|
|
top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
|
|
left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
|
|
};
|
|
|
|
},
|
|
|
|
_getRelativeOffset: function() {
|
|
|
|
if ( this.cssPosition === "relative" ) {
|
|
var p = this.currentItem.position();
|
|
return {
|
|
top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
|
|
this.scrollParent.scrollTop(),
|
|
left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
|
|
this.scrollParent.scrollLeft()
|
|
};
|
|
} else {
|
|
return { top: 0, left: 0 };
|
|
}
|
|
|
|
},
|
|
|
|
_cacheMargins: function() {
|
|
this.margins = {
|
|
left: ( parseInt( this.currentItem.css( "marginLeft" ), 10 ) || 0 ),
|
|
top: ( parseInt( this.currentItem.css( "marginTop" ), 10 ) || 0 )
|
|
};
|
|
},
|
|
|
|
_cacheHelperProportions: function() {
|
|
this.helperProportions = {
|
|
width: this.helper.outerWidth(),
|
|
height: this.helper.outerHeight()
|
|
};
|
|
},
|
|
|
|
_setContainment: function() {
|
|
|
|
var ce, co, over,
|
|
o = this.options;
|
|
if ( o.containment === "parent" ) {
|
|
o.containment = this.helper[ 0 ].parentNode;
|
|
}
|
|
if ( o.containment === "document" || o.containment === "window" ) {
|
|
this.containment = [
|
|
0 - this.offset.relative.left - this.offset.parent.left,
|
|
0 - this.offset.relative.top - this.offset.parent.top,
|
|
o.containment === "document" ?
|
|
this.document.width() :
|
|
this.window.width() - this.helperProportions.width - this.margins.left,
|
|
( o.containment === "document" ?
|
|
( this.document.height() || document.body.parentNode.scrollHeight ) :
|
|
this.window.height() || this.document[ 0 ].body.parentNode.scrollHeight
|
|
) - this.helperProportions.height - this.margins.top
|
|
];
|
|
}
|
|
|
|
if ( !( /^(document|window|parent)$/ ).test( o.containment ) ) {
|
|
ce = $( o.containment )[ 0 ];
|
|
co = $( o.containment ).offset();
|
|
over = ( $( ce ).css( "overflow" ) !== "hidden" );
|
|
|
|
this.containment = [
|
|
co.left + ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) +
|
|
( parseInt( $( ce ).css( "paddingLeft" ), 10 ) || 0 ) - this.margins.left,
|
|
co.top + ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) +
|
|
( parseInt( $( ce ).css( "paddingTop" ), 10 ) || 0 ) - this.margins.top,
|
|
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,
|
|
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
|
|
];
|
|
}
|
|
|
|
},
|
|
|
|
_convertPositionTo: function( d, pos ) {
|
|
|
|
if ( !pos ) {
|
|
pos = this.position;
|
|
}
|
|
var mod = d === "absolute" ? 1 : -1,
|
|
scroll = this.cssPosition === "absolute" &&
|
|
!( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
|
|
$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
|
|
this.offsetParent :
|
|
this.scrollParent,
|
|
scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );
|
|
|
|
return {
|
|
top: (
|
|
|
|
// The absolute mouse position
|
|
pos.top +
|
|
|
|
// Only for relative positioned nodes: Relative offset from element to offset parent
|
|
this.offset.relative.top * mod +
|
|
|
|
// The offsetParent's offset without borders (offset + border)
|
|
this.offset.parent.top * mod -
|
|
( ( this.cssPosition === "fixed" ?
|
|
-this.scrollParent.scrollTop() :
|
|
( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod )
|
|
),
|
|
left: (
|
|
|
|
// The absolute mouse position
|
|
pos.left +
|
|
|
|
// Only for relative positioned nodes: Relative offset from element to offset parent
|
|
this.offset.relative.left * mod +
|
|
|
|
// The offsetParent's offset without borders (offset + border)
|
|
this.offset.parent.left * mod -
|
|
( ( this.cssPosition === "fixed" ?
|
|
-this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 :
|
|
scroll.scrollLeft() ) * mod )
|
|
)
|
|
};
|
|
|
|
},
|
|
|
|
_generatePosition: function( event ) {
|
|
|
|
var top, left,
|
|
o = this.options,
|
|
pageX = event.pageX,
|
|
pageY = event.pageY,
|
|
scroll = this.cssPosition === "absolute" &&
|
|
!( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
|
|
$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
|
|
this.offsetParent :
|
|
this.scrollParent,
|
|
scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );
|
|
|
|
// This is another very weird special case that only happens for relative elements:
|
|
// 1. If the css position is relative
|
|
// 2. and the scroll parent is the document or similar to the offset parent
|
|
// we have to refresh the relative offset during the scroll so there are no jumps
|
|
if ( this.cssPosition === "relative" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
|
|
this.scrollParent[ 0 ] !== this.offsetParent[ 0 ] ) ) {
|
|
this.offset.relative = this._getRelativeOffset();
|
|
}
|
|
|
|
/*
|
|
* - Position constraining -
|
|
* Constrain the position to a mix of grid, containment.
|
|
*/
|
|
|
|
if ( this.originalPosition ) { //If we are not dragging yet, we won't check for options
|
|
|
|
if ( this.containment ) {
|
|
if ( event.pageX - this.offset.click.left < this.containment[ 0 ] ) {
|
|
pageX = this.containment[ 0 ] + this.offset.click.left;
|
|
}
|
|
if ( event.pageY - this.offset.click.top < this.containment[ 1 ] ) {
|
|
pageY = this.containment[ 1 ] + this.offset.click.top;
|
|
}
|
|
if ( event.pageX - this.offset.click.left > this.containment[ 2 ] ) {
|
|
pageX = this.containment[ 2 ] + this.offset.click.left;
|
|
}
|
|
if ( event.pageY - this.offset.click.top > this.containment[ 3 ] ) {
|
|
pageY = this.containment[ 3 ] + this.offset.click.top;
|
|
}
|
|
}
|
|
|
|
if ( o.grid ) {
|
|
top = this.originalPageY + Math.round( ( pageY - this.originalPageY ) /
|
|
o.grid[ 1 ] ) * o.grid[ 1 ];
|
|
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;
|
|
|
|
left = this.originalPageX + Math.round( ( pageX - this.originalPageX ) /
|
|
o.grid[ 0 ] ) * o.grid[ 0 ];
|
|
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;
|
|
}
|
|
|
|
}
|
|
|
|
return {
|
|
top: (
|
|
|
|
// The absolute mouse position
|
|
pageY -
|
|
|
|
// Click offset (relative to the element)
|
|
this.offset.click.top -
|
|
|
|
// Only for relative positioned nodes: Relative offset from element to offset parent
|
|
this.offset.relative.top -
|
|
|
|
// The offsetParent's offset without borders (offset + border)
|
|
this.offset.parent.top +
|
|
( ( this.cssPosition === "fixed" ?
|
|
-this.scrollParent.scrollTop() :
|
|
( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) )
|
|
),
|
|
left: (
|
|
|
|
// The absolute mouse position
|
|
pageX -
|
|
|
|
// Click offset (relative to the element)
|
|
this.offset.click.left -
|
|
|
|
// Only for relative positioned nodes: Relative offset from element to offset parent
|
|
this.offset.relative.left -
|
|
|
|
// The offsetParent's offset without borders (offset + border)
|
|
this.offset.parent.left +
|
|
( ( this.cssPosition === "fixed" ?
|
|
-this.scrollParent.scrollLeft() :
|
|
scrollIsRootNode ? 0 : scroll.scrollLeft() ) )
|
|
)
|
|
};
|
|
|
|
},
|
|
|
|
_rearrange: function( event, i, a, hardRefresh ) {
|
|
|
|
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 ) );
|
|
|
|
//Various things done here to improve the performance:
|
|
// 1. we create a setTimeout, that calls refreshPositions
|
|
// 2. on the instance, we have a counter variable, that get's higher after every append
|
|
// 3. on the local scope, we copy the counter variable, and check in the timeout,
|
|
// if it's still the same
|
|
// 4. this lets only the last addition to the timeout stack through
|
|
this.counter = this.counter ? ++this.counter : 1;
|
|
var counter = this.counter;
|
|
|
|
this._delay( function() {
|
|
if ( counter === this.counter ) {
|
|
|
|
//Precompute after each DOM insertion, NOT on mousemove
|
|
this.refreshPositions( !hardRefresh );
|
|
}
|
|
} );
|
|
|
|
},
|
|
|
|
_clear: function( event, noPropagation ) {
|
|
|
|
this.reverting = false;
|
|
|
|
// We delay all events that have to be triggered to after the point where the placeholder
|
|
// has been removed and everything else normalized again
|
|
var i,
|
|
delayedTriggers = [];
|
|
|
|
// We first have to update the dom position of the actual currentItem
|
|
// Note: don't do it if the current item is already removed (by a user), or it gets
|
|
// reappended (see #4088)
|
|
if ( !this._noFinalSort && this.currentItem.parent().length ) {
|
|
this.placeholder.before( this.currentItem );
|
|
}
|
|
this._noFinalSort = null;
|
|
|
|
if ( this.helper[ 0 ] === this.currentItem[ 0 ] ) {
|
|
for ( i in this._storedCSS ) {
|
|
if ( this._storedCSS[ i ] === "auto" || this._storedCSS[ i ] === "static" ) {
|
|
this._storedCSS[ i ] = "";
|
|
}
|
|
}
|
|
this.currentItem.css( this._storedCSS );
|
|
this._removeClass( this.currentItem, "ui-sortable-helper" );
|
|
} else {
|
|
this.currentItem.show();
|
|
}
|
|
|
|
if ( this.fromOutside && !noPropagation ) {
|
|
delayedTriggers.push( function( event ) {
|
|
this._trigger( "receive", event, this._uiHash( this.fromOutside ) );
|
|
} );
|
|
}
|
|
if ( ( this.fromOutside ||
|
|
this.domPosition.prev !==
|
|
this.currentItem.prev().not( ".ui-sortable-helper" )[ 0 ] ||
|
|
this.domPosition.parent !== this.currentItem.parent()[ 0 ] ) && !noPropagation ) {
|
|
|
|
// Trigger update callback if the DOM position has changed
|
|
delayedTriggers.push( function( event ) {
|
|
this._trigger( "update", event, this._uiHash() );
|
|
} );
|
|
}
|
|
|
|
// Check if the items Container has Changed and trigger appropriate
|
|
// events.
|
|
if ( this !== this.currentContainer ) {
|
|
if ( !noPropagation ) {
|
|
delayedTriggers.push( function( event ) {
|
|
this._trigger( "remove", event, this._uiHash() );
|
|
} );
|
|
delayedTriggers.push( ( function( c ) {
|
|
return function( event ) {
|
|
c._trigger( "receive", event, this._uiHash( this ) );
|
|
};
|
|
} ).call( this, this.currentContainer ) );
|
|
delayedTriggers.push( ( function( c ) {
|
|
return function( event ) {
|
|
c._trigger( "update", event, this._uiHash( this ) );
|
|
};
|
|
} ).call( this, this.currentContainer ) );
|
|
}
|
|
}
|
|
|
|
//Post events to containers
|
|
function delayEvent( type, instance, container ) {
|
|
return function( event ) {
|
|
container._trigger( type, event, instance._uiHash( instance ) );
|
|
};
|
|
}
|
|
for ( i = this.containers.length - 1; i >= 0; i-- ) {
|
|
if ( !noPropagation ) {
|
|
delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
|
|
}
|
|
if ( this.containers[ i ].containerCache.over ) {
|
|
delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) );
|
|
this.containers[ i ].containerCache.over = 0;
|
|
}
|
|
}
|
|
|
|
//Do what was originally in plugins
|
|
if ( this.storedCursor ) {
|
|
this.document.find( "body" ).css( "cursor", this.storedCursor );
|
|
this.storedStylesheet.remove();
|
|
}
|
|
if ( this._storedOpacity ) {
|
|
this.helper.css( "opacity", this._storedOpacity );
|
|
}
|
|
if ( this._storedZIndex ) {
|
|
this.helper.css( "zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex );
|
|
}
|
|
|
|
this.dragging = false;
|
|
|
|
if ( !noPropagation ) {
|
|
this._trigger( "beforeStop", event, this._uiHash() );
|
|
}
|
|
|
|
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
|
|
// it unbinds ALL events from the original node!
|
|
this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] );
|
|
|
|
if ( !this.cancelHelperRemoval ) {
|
|
if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
|
|
this.helper.remove();
|
|
}
|
|
this.helper = null;
|
|
}
|
|
|
|
if ( !noPropagation ) {
|
|
for ( i = 0; i < delayedTriggers.length; i++ ) {
|
|
|
|
// Trigger all delayed events
|
|
delayedTriggers[ i ].call( this, event );
|
|
}
|
|
this._trigger( "stop", event, this._uiHash() );
|
|
}
|
|
|
|
this.fromOutside = false;
|
|
return !this.cancelHelperRemoval;
|
|
|
|
},
|
|
|
|
_trigger: function() {
|
|
if ( $.Widget.prototype._trigger.apply( this, arguments ) === false ) {
|
|
this.cancel();
|
|
}
|
|
},
|
|
|
|
_uiHash: function( _inst ) {
|
|
var inst = _inst || this;
|
|
return {
|
|
helper: inst.helper,
|
|
placeholder: inst.placeholder || $( [] ),
|
|
position: inst.position,
|
|
originalPosition: inst.originalPosition,
|
|
offset: inst.positionAbs,
|
|
item: inst.currentItem,
|
|
sender: _inst ? _inst.element : null
|
|
};
|
|
}
|
|
|
|
} );
|
|
|
|
} ) );
|