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11 lines
18 KiB
11 lines
18 KiB
6 years ago
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/*!
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* jQuery UI Draggable 1.11.4
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* http://jqueryui.com
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*
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* Copyright jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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* http://api.jqueryui.com/draggable/
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*/
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!function(a){"function"==typeof define&&define.amd?define(["jquery","./core","./mouse","./widget"],a):a(jQuery)}(function(a){return a.widget("ui.draggable",a.ui.mouse,{version:"1.11.4",widgetEventPrefix:"drag",options:{addClasses:!0,appendTo:"parent",axis:!1,connectToSortable:!1,containment:!1,cursor:"auto",cursorAt:!1,grid:!1,handle:!1,helper:"original",iframeFix:!1,opacity:!1,refreshPositions:!1,revert:!1,revertDuration:500,scope:"default",scroll:!0,scrollSensitivity:20,scrollSpeed:20,snap:!1,snapMode:"both",snapTolerance:20,stack:!1,zIndex:!1,drag:null,start:null,stop:null},_create:function(){"original"===this.options.helper&&this._setPositionRelative(),this.options.addClasses&&this.element.addClass("ui-draggable"),this.options.disabled&&this.element.addClass("ui-draggable-disabled"),this._setHandleClassName(),this._mouseInit()},_setOption:function(a,b){this._super(a,b),"handle"===a&&(this._removeHandleClassName(),this._setHandleClassName())},_destroy:function(){return(this.helper||this.element).is(".ui-draggable-dragging")?void(this.destroyOnClear=!0):(this.element.removeClass("ui-draggable ui-draggable-dragging ui-draggable-disabled"),this._removeHandleClassName(),void this._mouseDestroy())},_mouseCapture:function(b){var c=this.options;return this._blurActiveElement(b),!(this.helper||c.disabled||a(b.target).closest(".ui-resizable-handle").length>0)&&(this.handle=this._getHandle(b),!!this.handle&&(this._blockFrames(c.iframeFix===!0?"iframe":c.iframeFix),!0))},_blockFrames:function(b){this.iframeBlocks=this.document.find(b).map(function(){var b=a(this);return a("<div>").css("position","absolute").appendTo(b.parent()).outerWidth(b.outerWidth()).outerHeight(b.outerHeight()).offset(b.offset())[0]})},_unblockFrames:function(){this.iframeBlocks&&(this.iframeBlocks.remove(),delete this.iframeBlocks)},_blurActiveElement:function(b){var c=this.document[0];if(this.handleElement.is(b.target))try{c.activeElement&&"body"!==c.activeElement.nodeName.toLowerCase()&&a(c.activeElement).blur()}catch(d){}},_mouseStart:function(b){var c=this.options;return this.helper=this._createHelper(b),this.helper.addClass("ui-draggable-dragging"),this._cacheHelperProportions(),a.ui.ddmanager&&(a.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(!0),this.offsetParent=this.helper.offsetParent(),this.hasFixedAncestor=this.helper.parents().filter(function(){return"fixed"===a(this).css("position")}).length>0,this.positionAbs=this.element.offset(),this._refreshOffsets(b),this.originalPosition=this.position=this._generatePosition(b,!1),this.originalPageX=b.pageX,this.originalPageY=b.pageY,c.cursorAt&&this._adjustOffsetFromHelper(c.cursorAt),this._setContainment(),this._trigger("start",b)===!1?(this._clear(),!1):(this._cacheHelperProportions(),a.ui.ddmanager&&!c.dropBehaviour&&a.ui.ddmanager.prepareOffsets(this,b),this._normalizeRightBottom(),this._mouseDrag(b,!0),a.ui.ddmanager&&a.ui.ddmanager.dragStart(this,b),!0)},_refreshOffsets:function(a){this.offset={top:this.positionAbs.top-this.margins.top,left:this.positionAbs.left-this.margins.left,scroll:!1,parent:this._getParentOffset(),relative:this._getRelativeOffset()},this.offset.click={left:a.pageX-this.offset.left,top:a.pageY-this.offset.top}},_mouseDrag:function(b,c){if(this.hasFixedAncestor&&(this.offset.parent=this._getParentOffset()),this.position=this._generatePosition(b,!0),this.positionAbs=this._convertPositionTo("absolute"),!c){var d=this._uiHash();if(this._trigger("drag",b,d)===!1)return this._mouseUp({}),!1;this.position=d.position}return this.helper[0].style.left=this.position.left+"px",this.helper[0].style.top=this.position.top+"px",a.ui.ddmanager&&a.ui.ddmanager.drag(this,b),!1},_mouseStop:function(b){var c=this,d=!1;return a.ui.ddmanager&&!this.options.dropBehaviour&&(d=a.ui.ddmanager.drop(this,b)),this.dropped&&(d=this.dropped,this.dropped=!1),"invalid"===this.options.revert&&!d||"valid"===this.options.revert&&d||this.options.revert===!0||a.isFunction(this.options.revert)&&this.options.revert.call(this.el
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