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jquery.ui.draggable.min.js

jquery.ui.draggable.min.js 18 KB
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  1. /*! jQuery UI - v1.9.2 - 2015-03-29
    2. 

  2. * http://jqueryui.com
    3. 

  3. * Copyright 2015 jQuery Foundation and other contributors; Licensed MIT */
    4. 

  4. 

  5. (function(e){e.widget("ui.draggable",e.ui.mouse,{version:"1.9.2",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},_create:function(){"original"!=this.options.helper||/^(?:r|a|f)/.test(this.element.css("position"))||(this.element[0].style.position="relative"),this.options.addClasses&&this.element.addClass("ui-draggable"),this.options.disabled&&this.element.addClass("ui-draggable-disabled"),this._mouseInit()},_destroy:function(){this.element.removeClass("ui-draggable ui-draggable-dragging ui-draggable-disabled"),this._mouseDestroy()},_mouseCapture:function(t){var i=this.options;return this.helper||i.disabled||e(t.target).is(".ui-resizable-handle")?!1:(this.handle=this._getHandle(t),this.handle?(e(i.iframeFix===!0?"iframe":i.iframeFix).each(function(){e('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>').css({width:this.offsetWidth+"px",height:this.offsetHeight+"px",position:"absolute",opacity:"0.001",zIndex:1e3}).css(e(this).offset()).appendTo("body")}),!0):!1)},_mouseStart:function(t){var i=this.options;return this.helper=this._createHelper(t),this.helper.addClass("ui-draggable-dragging"),this._cacheHelperProportions(),e.ui.ddmanager&&(e.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(),this.offset=this.positionAbs=this.element.offset(),this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left},e.extend(this.offset,{click:{left:t.pageX-this.offset.left,top:t.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()}),this.originalPosition=this.position=this._generatePosition(t),this.originalPageX=t.pageX,this.originalPageY=t.pageY,i.cursorAt&&this._adjustOffsetFromHelper(i.cursorAt),i.containment&&this._setContainment(),this._trigger("start",t)===!1?(this._clear(),!1):(this._cacheHelperProportions(),e.ui.ddmanager&&!i.dropBehaviour&&e.ui.ddmanager.prepareOffsets(this,t),this._mouseDrag(t,!0),e.ui.ddmanager&&e.ui.ddmanager.dragStart(this,t),!0)},_mouseDrag:function(t,i){if(this.position=this._generatePosition(t),this.positionAbs=this._convertPositionTo("absolute"),!i){var s=this._uiHash();if(this._trigger("drag",t,s)===!1)return this._mouseUp({}),!1;this.position=s.position}return this.options.axis&&"y"==this.options.axis||(this.helper[0].style.left=this.position.left+"px"),this.options.axis&&"x"==this.options.axis||(this.helper[0].style.top=this.position.top+"px"),e.ui.ddmanager&&e.ui.ddmanager.drag(this,t),!1},_mouseStop:function(t){var i=!1;e.ui.ddmanager&&!this.options.dropBehaviour&&(i=e.ui.ddmanager.drop(this,t)),this.dropped&&(i=this.dropped,this.dropped=!1);for(var s=this.element[0],a=!1;s&&(s=s.parentNode);)s==document&&(a=!0);if(!a&&"original"===this.options.helper)return!1;if("invalid"==this.options.revert&&!i||"valid"==this.options.revert&&i||this.options.revert===!0||e.isFunction(this.options.revert)&&this.options.revert.call(this.element,i)){var n=this;e(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){n._trigger("stop",t)!==!1&&n._clear()})}else this._trigger("stop",t)!==!1&&this._clear();return!1},_mouseUp:function(t){return e("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this)}),e.ui.ddmanager&&e.ui.ddmanager.dragStop(this,t),e.ui.mouse.prototype._mouseUp.call(this,t)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp({}):this._clear(),this},_getHandle:function(t){var i=this.options.handle&&e(this.options.handle,this.element).length?!1:!0;return e(this.options.handle,this.element).find("*").andSelf().each(function(){this==t.target&&(i=!0)}),i},_createHelper:function(t){var i=this.options,s=e.isFunction(i.helper)?e(i.helper.apply(this.element[0],[t])):"clone"==i.helper?this.element.clone().removeAttr("id"):this.element;return s.parents("body").length||s.appendTo("parent"==i.appendTo?this.element[0].parentNode:i.appendTo),s[0]==this.element[0]||/(fixed|absolute)/.test(s.css("position"))||s.css("position","absolute"),s},_adjustOffsetFromHelper:function(t){"string"==typeof t&&(t=t.split(" ")),e.isArray(t)&&(t={left:+t[0],top:+t[1]||0}),"left"in t&&(this.offset.click.left=t.left+this.margins.left),"right"in t&&(this.offset.click.left=this.helperProportions.width-t.right+this.margins.left),"top"in t&&(this.offset.click.top=t.top+this.margins.top),"bottom"in t&&(this.offset.click.top=this.helperProportions.height-t.bottom+this.margins.top)},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var t=this.offsetParent.offset();return"absolute"==this.cssPosition&&this.scrollParent[0]!=document&&e.contains(this.scrollParent[0],this.offsetParent[0])&&(t.left+=this.scrollParent.scrollLeft(),t.top+=this.scrollParent.scrollTop()),(this.offsetParent[0]==document.body||this.offsetParent[0].tagName&&"html"==this.offsetParent[0].tagName.toLowerCase()&&e.ui.ie)&&(t={top:0,left:0}),{top:t.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:t.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"==this.cssPosition){var e=this.element.position();return{top:e.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:e.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}return{top:0,left: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 t=this.options;if("parent"==t.containment&&(t.containment=this.helper[0].parentNode),("document"==t.containment||"window"==t.containment)&&(this.containment=["document"==t.containment?0:e(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,"document"==t.containment?0:e(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,("document"==t.containment?0:e(window).scrollLeft())+e("document"==t.containment?document:window).width()-this.helperProportions.width-this.margins.left,("document"==t.containment?0:e(window).scrollTop())+(e("document"==t.containment?document:window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]),/^(document|window|parent)$/.test(t.containment)||t.containment.constructor==Array)t.containment.constructor==Array&&(this.containment=t.containment);else{var i=e(t.containment),s=i[0];if(!s)return;i.offset();var a="hidden"!=e(s).css("overflow");this.containment=[(parseInt(e(s).css("borderLeftWidth"),10)||0)+(parseInt(e(s).css("paddingLeft"),10)||0),(parseInt(e(s).css("borderTopWidth"),10)||0)+(parseInt(e(s).css("paddingTop"),10)||0),(a?Math.max(s.scrollWidth,s.offsetWidth):s.offsetWidth)-(parseInt(e(s).css("borderLeftWidth"),10)||0)-(parseInt(e(s).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(a?Math.max(s.scrollHeight,s.offsetHeight):s.offsetHeight)-(parseInt(e(s).css("borderTopWidth"),10)||0)-(parseInt(e(s).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relative_container=i}},_convertPositionTo:function(t,i){i||(i=this.position);var s="absolute"==t?1:-1,a=(this.options,"absolute"!=this.cssPosition||this.scrollParent[0]!=document&&e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent),n=/(html|body)/i.test(a[0].tagName);return{top:i.top+this.offset.relative.top*s+this.offset.parent.top*s-("fixed"==this.cssPosition?-this.scrollParent.scrollTop():n?0:a.scrollTop())*s,left:i.left+this.offset.relative.left*s+this.offset.parent.left*s-("fixed"==this.cssPosition?-this.scrollParent.scrollLeft():n?0:a.scrollLeft())*s}},_generatePosition:function(t){var i=this.options,s="absolute"!=this.cssPosition||this.scrollParent[0]!=document&&e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,a=/(html|body)/i.test(s[0].tagName),n=t.pageX,r=t.pageY;if(this.originalPosition){var o;if(this.containment){if(this.relative_container){var h=this.relative_container.offset();o=[this.containment[0]+h.left,this.containment[1]+h.top,this.containment[2]+h.left,this.containment[3]+h.top]}else o=this.containment;t.pageX-this.offset.click.left<o[0]&&(n=o[0]+this.offset.click.left),t.pageY-this.offset.click.top<o[1]&&(r=o[1]+this.offset.click.top),t.pageX-this.offset.click.left>o[2]&&(n=o[2]+this.offset.click.left),t.pageY-this.offset.click.top>o[3]&&(r=o[3]+this.offset.click.top)}if(i.grid){var l=i.grid[1]?this.originalPageY+Math.round((r-this.originalPageY)/i.grid[1])*i.grid[1]:this.originalPageY;r=o?l-this.offset.click.top<o[1]||l-this.offset.click.top>o[3]?l-this.offset.click.top<o[1]?l+i.grid[1]:l-i.grid[1]:l:l;var u=i.grid[0]?this.originalPageX+Math.round((n-this.originalPageX)/i.grid[0])*i.grid[0]:this.originalPageX;n=o?u-this.offset.click.left<o[0]||u-this.offset.click.left>o[2]?u-this.offset.click.left<o[0]?u+i.grid[0]:u-i.grid[0]:u:u}}return{top:r-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"==this.cssPosition?-this.scrollParent.scrollTop():a?0:s.scrollTop()),left:n-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"==this.cssPosition?-this.scrollParent.scrollLeft():a?0:s.scrollLeft())}},_clear:function(){this.helper.removeClass("ui-draggable-dragging"),this.helper[0]==this.element[0]||this.cancelHelperRemoval||this.helper.remove(),this.helper=null,this.cancelHelperRemoval=!1},_trigger:function(t,i,s){return s=s||this._uiHash(),e.ui.plugin.call(this,t,[i,s]),"drag"==t&&(this.positionAbs=this._convertPositionTo("absolute")),e.Widget.prototype._trigger.call(this,t,i,s)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),e.ui.plugin.add("draggable","connectToSortable",{start:function(t,i){var s=e(this).data("draggable"),a=s.options,n=e.extend({},i,{item:s.element});s.sortables=[],e(a.connectToSortable).each(function(){var i=e.data(this,"sortable");i&&!i.options.disabled&&(s.sortables.push({instance:i,shouldRevert:i.options.revert}),i.refreshPositions(),i._trigger("activate",t,n))})},stop:function(t,i){var s=e(this).data("draggable"),a=e.extend({},i,{item:s.element});e.each(s.sortables,function(){this.instance.isOver?(this.instance.isOver=0,s.cancelHelperRemoval=!0,this.instance.cancelHelperRemoval=!1,this.shouldRevert&&(this.instance.options.revert=!0),this.instance._mouseStop(t),this.instance.options.helper=this.instance.options._helper,"original"==s.options.helper&&this.instance.currentItem.css({top:"auto",left:"auto"})):(this.instance.cancelHelperRemoval=!1,this.instance._trigger("deactivate",t,a))})},drag:function(t,i){var s=e(this).data("draggable"),a=this;e.each(s.sortables,function(){var n=!1,r=this;this.instance.positionAbs=s.positionAbs,this.instance.helperProportions=s.helperProportions,this.instance.offset.click=s.offset.click,this.instance._intersectsWith(this.instance.containerCache)&&(n=!0,e.each(s.sortables,function(){return this.instance.positionAbs=s.positionAbs,this.instance.helperProportions=s.helperProportions,this.instance.offset.click=s.offset.click,this!=r&&this.instance._intersectsWith(this.instance.containerCache)&&e.ui.contains(r.instance.element[0],this.instance.element[0])&&(n=!1),n})),n?(this.instance.isOver||(this.instance.isOver=1,this.instance.currentItem=e(a).clone().removeAttr("id").appendTo(this.instance.element).data("sortable-item",!0),this.instance.options._helper=this.instance.options.helper,this.instance.options.helper=function(){return i.helper[0]},t.target=this.instance.currentItem[0],this.instance._mouseCapture(t,!0),this.instance._mouseStart(t,!0,!0),this.instance.offset.click.top=s.offset.click.top,this.instance.offset.click.left=s.offset.click.left,this.instance.offset.parent.left-=s.offset.parent.left-this.instance.offset.parent.left,this.instance.offset.parent.top-=s.offset.parent.top-this.instance.offset.parent.top,s._trigger("toSortable",t),s.dropped=this.instance.element,s.currentItem=s.element,this.instance.fromOutside=s),this.instance.currentItem&&this.instance._mouseDrag(t)):this.instance.isOver&&(this.instance.isOver=0,this.instance.cancelHelperRemoval=!0,this.instance.options.revert=!1,this.instance._trigger("out",t,this.instance._uiHash(this.instance)),this.instance._mouseStop(t,!0),this.instance.options.helper=this.instance.options._helper,this.instance.currentItem.remove(),this.instance.placeholder&&this.instance.placeholder.remove(),s._trigger("fromSortable",t),s.dropped=!1)})}}),e.ui.plugin.add("draggable","cursor",{start:function(){var t=e("body"),i=e(this).data("draggable").options;t.css("cursor")&&(i._cursor=t.css("cursor")),t.css("cursor",i.cursor)},stop:function(){var t=e(this).data("draggable").options;t._cursor&&e("body").css("cursor",t._cursor)}}),e.ui.plugin.add("draggable","opacity",{start:function(t,i){var s=e(i.helper),a=e(this).data("draggable").options;s.css("opacity")&&(a._opacity=s.css("opacity")),s.css("opacity",a.opacity)},stop:function(t,i){var s=e(this).data("draggable").options;s._opacity&&e(i.helper).css("opacity",s._opacity)}}),e.ui.plugin.add("draggable","scroll",{start:function(){var t=e(this).data("draggable");t.scrollParent[0]!=document&&"HTML"!=t.scrollParent[0].tagName&&(t.overflowOffset=t.scrollParent.offset())},drag:function(t){var i=e(this).data("draggable"),s=i.options,a=!1;i.scrollParent[0]!=document&&"HTML"!=i.scrollParent[0].tagName?(s.axis&&"x"==s.axis||(i.overflowOffset.top+i.scrollParent[0].offsetHeight-t.pageY<s.scrollSensitivity?i.scrollParent[0].scrollTop=a=i.scrollParent[0].scrollTop+s.scrollSpeed:t.pageY-i.overflowOffset.top<s.scrollSensitivity&&(i.scrollParent[0].scrollTop=a=i.scrollParent[0].scrollTop-s.scrollSpeed)),s.axis&&"y"==s.axis||(i.overflowOffset.left+i.scrollParent[0].offsetWidth-t.pageX<s.scrollSensitivity?i.scrollParent[0].scrollLeft=a=i.scrollParent[0].scrollLeft+s.scrollSpeed:t.pageX-i.overflowOffset.left<s.scrollSensitivity&&(i.scrollParent[0].scrollLeft=a=i.scrollParent[0].scrollLeft-s.scrollSpeed))):(s.axis&&"x"==s.axis||(t.pageY-e(document).scrollTop()<s.scrollSensitivity?a=e(document).scrollTop(e(document).scrollTop()-s.scrollSpeed):e(window).height()-(t.pageY-e(document).scrollTop())<s.scrollSensitivity&&(a=e(document).scrollTop(e(document).scrollTop()+s.scrollSpeed))),s.axis&&"y"==s.axis||(t.pageX-e(document).scrollLeft()<s.scrollSensitivity?a=e(document).scrollLeft(e(document).scrollLeft()-s.scrollSpeed):e(window).width()-(t.pageX-e(document).scrollLeft())<s.scrollSensitivity&&(a=e(document).scrollLeft(e(document).scrollLeft()+s.scrollSpeed)))),a!==!1&&e.ui.ddmanager&&!s.dropBehaviour&&e.ui.ddmanager.prepareOffsets(i,t)}}),e.ui.plugin.add("draggable","snap",{start:function(){var t=e(this).data("draggable"),i=t.options;t.snapElements=[],e(i.snap.constructor!=String?i.snap.items||":data(draggable)":i.snap).each(function(){var i=e(this),s=i.offset();this!=t.element[0]&&t.snapElements.push({item:this,width:i.outerWidth(),height:i.outerHeight(),top:s.top,left:s.left})})},drag:function(t,i){for(var s=e(this).data("draggable"),a=s.options,n=a.snapTolerance,r=i.offset.left,o=r+s.helperProportions.width,h=i.offset.top,l=h+s.helperProportions.height,u=s.snapElements.length-1;u>=0;u--){var d=s.snapElements[u].left,c=d+s.snapElements[u].width,p=s.snapElements[u].top,m=p+s.snapElements[u].height;if(r>d-n&&c+n>r&&h>p-n&&m+n>h||r>d-n&&c+n>r&&l>p-n&&m+n>l||o>d-n&&c+n>o&&h>p-n&&m+n>h||o>d-n&&c+n>o&&l>p-n&&m+n>l){if("inner"!=a.snapMode){var f=n>=Math.abs(p-l),g=n>=Math.abs(m-h),v=n>=Math.abs(d-o),y=n>=Math.abs(c-r);f&&(i.position.top=s._convertPositionTo("relative",{top:p-s.helperProportions.height,left:0}).top-s.margins.top),g&&(i.position.top=s._convertPositionTo("relative",{top:m,left:0}).top-s.margins.top),v&&(i.position.left=s._convertPositionTo("relative",{top:0,left:d-s.helperProportions.width}).left-s.margins.left),y&&(i.position.left=s._convertPositionTo("relative",{top:0,left:c}).left-s.margins.left)}var b=f||g||v||y;if("outer"!=a.snapMode){var f=n>=Math.abs(p-h),g=n>=Math.abs(m-l),v=n>=Math.abs(d-r),y=n>=Math.abs(c-o);f&&(i.position.top=s._convertPositionTo("relative",{top:p,left:0}).top-s.margins.top),g&&(i.position.top=s._convertPositionTo("relative",{top:m-s.helperProportions.height,left:0}).top-s.margins.top),v&&(i.position.left=s._convertPositionTo("relative",{top:0,left:d}).left-s.margins.left),y&&(i.position.left=s._convertPositionTo("relative",{top:0,left:c-s.helperProportions.width}).left-s.margins.left)}!s.snapElements[u].snapping&&(f||g||v||y||b)&&s.options.snap.snap&&s.options.snap.snap.call(s.element,t,e.extend(s._uiHash(),{snapItem:s.snapElements[u].item})),s.snapElements[u].snapping=f||g||v||y||b}else s.snapElements[u].snapping&&s.options.snap.release&&s.options.snap.release.call(s.element,t,e.extend(s._uiHash(),{snapItem:s.snapElements[u].item})),s.snapElements[u].snapping=!1}}}),e.ui.plugin.add("draggable","stack",{start:function(){var t=e(this).data("draggable").options,i=e.makeArray(e(t.stack)).sort(function(t,i){return(parseInt(e(t).css("zIndex"),10)||0)-(parseInt(e(i).css("zIndex"),10)||0)});if(i.length){var s=parseInt(i[0].style.zIndex)||0;e(i).each(function(e){this.style.zIndex=s+e}),this[0].style.zIndex=s+i.length}}}),e.ui.plugin.add("draggable","zIndex",{start:function(t,i){var s=e(i.helper),a=e(this).data("draggable").options;s.css("zIndex")&&(a._zIndex=s.css("zIndex")),s.css("zIndex",a.zIndex)},stop:function(t,i){var s=e(this).data("draggable").options;s._zIndex&&e(i.helper).css("zIndex",s._zIndex)}})})(jQuery);
    6.