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tyqngp/apps/admin/view/default/js/jquery.dragsort-0.5.2.min.js

jquery.dragsort-0.5.2.min.js 10KB
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  1. // jQuery List DragSort v0.5.2

  2. // Website: http://dragsort.codeplex.com/

  3. // License: http://dragsort.codeplex.com/license

  4. (function($){$.fn.dragsort=function(options){if(options=="destroy"){$(this.selector).trigger("dragsort-uninit");return}var opts=$.extend({},$.fn.dragsort.defaults,options);var lists=[];var list=null,lastPos=null;this.each(function(i,cont){if($(cont).is("table")&&$(cont).children().size()==1&&$(cont).children().is("tbody")){cont=$(cont).children().get(0)}var newList={draggedItem:null,placeHolderItem:null,pos:null,offset:null,offsetLimit:null,scroll:null,container:cont,init:function(){opts.tagName=$(this.container).children().size()==0?"li":$(this.container).children().get(0).tagName.toLowerCase();if(opts.itemSelector==""){opts.itemSelector=opts.tagName}if(opts.dragSelector==""){opts.dragSelector=opts.tagName}if(opts.placeHolderTemplate==""){opts.placeHolderTemplate="<"+opts.tagName+">&nbsp;</"+opts.tagName+">"}$(this.container).attr("data-listidx",i).mousedown(this.grabItem).bind("dragsort-uninit",this.uninit);this.styleDragHandlers(true)},uninit:function(){var list=lists[$(this).attr("data-listidx")];$(list.container).unbind("mousedown",list.grabItem).unbind("dragsort-uninit");list.styleDragHandlers(false)},getItems:function(){return $(this.container).children(opts.itemSelector)},styleDragHandlers:function(cursor){this.getItems().map(function(){return $(this).is(opts.dragSelector)?this:$(this).find(opts.dragSelector).get()}).css("cursor",cursor?"pointer":"")},grabItem:function(e){var list=lists[$(this).attr("data-listidx")];var item=$(e.target).closest("[data-listidx] > "+opts.tagName).get(0);var insideMoveableItem=list.getItems().filter(function(){return this==item}).size()>0;if(e.which!=1||$(e.target).is(opts.dragSelectorExclude)||$(e.target).closest(opts.dragSelectorExclude).size()>0||!insideMoveableItem){return}e.preventDefault();var dragHandle=e.target;while(!$(dragHandle).is(opts.dragSelector)){if(dragHandle==this){return}dragHandle=dragHandle.parentNode}$(dragHandle).attr("data-cursor",$(dragHandle).css("cursor"));$(dragHandle).css("cursor","move");var listElem=this;var trigger=function(){list.dragStart.call(listElem,e);$(list.container).unbind("mousemove",trigger)};$(list.container).mousemove(trigger).mouseup(function(){$(list.container).unbind("mousemove",trigger);$(dragHandle).css("cursor",$(dragHandle).attr("data-cursor"))})},dragStart:function(e){if(list!=null&&list.draggedItem!=null){list.dropItem()}list=lists[$(this).attr("data-listidx")];list.draggedItem=$(e.target).closest("[data-listidx] > "+opts.tagName);list.draggedItem.attr("data-origpos",$(this).attr("data-listidx")+"-"+$(list.container).children().index(list.draggedItem));var mt=parseInt(list.draggedItem.css("marginTop"));var ml=parseInt(list.draggedItem.css("marginLeft"));list.offset=list.draggedItem.offset();list.offset.top=e.pageY-list.offset.top+(isNaN(mt)?0:mt)-1;list.offset.left=e.pageX-list.offset.left+(isNaN(ml)?0:ml)-1;if(!opts.dragBetween){var containerHeight=$(list.container).outerHeight()==0?Math.max(1,Math.round(0.5+list.getItems().size()*list.draggedItem.outerWidth()/$(list.container).outerWidth()))*list.draggedItem.outerHeight():$(list.container).outerHeight();list.offsetLimit=$(list.container).offset();list.offsetLimit.right=list.offsetLimit.left+$(list.container).outerWidth()-list.draggedItem.outerWidth();list.offsetLimit.bottom=list.offsetLimit.top+containerHeight-list.draggedItem.outerHeight()}var h=list.draggedItem.height();var w=list.draggedItem.width();if(opts.tagName=="tr"){list.draggedItem.children().each(function(){$(this).width($(this).width())});list.placeHolderItem=list.draggedItem.clone().attr("data-placeholder",true);list.draggedItem.after(list.placeHolderItem);list.placeHolderItem.children().each(function(){$(this).css({borderWidth:0,width:$(this).width()+1,height:$(this).height()+1}).html("&nbsp;")})}else{list.draggedItem.after(opts.placeHolderTemplate);list.placeHolderItem=list.draggedItem.next().css({height:h,width:w}).attr("data-placeholder",true)}if(opts.tagName=="td"){var listTable=list.draggedItem.closest("table").get(0);$("<table id='"+listTable.id+"' style='border-width: 0px;' class='dragSortItem "+listTable.className+"'><tr></tr></table>").appendTo("body").children().append(list.draggedItem)}var orig=list.draggedItem.attr("style");list.draggedItem.attr("data-origstyle",orig?orig:"");list.draggedItem.css({position:"absolute",opacity:0.8,"z-index":999,height:h,width:w});list.scroll={moveX:0,moveY:0,maxX:$(document).width()-$(window).width(),maxY:$(document).height()-$(window).height()};list.scroll.scrollY=window.setInterval(function(){if(opts.scrollContainer!=window){$(opts.scrollContainer).scrollTop($(opts.scrollContainer).scrollTop()+list.scroll.moveY);return}var t=$(opts.scrollContainer).scrollTop();if(list.scroll.moveY>0&&t<list.scroll.maxY||list.scroll.moveY<0&&t>0){$(opts.scrollContainer).scrollTop(t+list.scroll.moveY);list.draggedItem.css("top",list.draggedItem.offset().top+list.scroll.moveY+1)}},10);list.scroll.scrollX=window.setInterval(function(){if(opts.scrollContainer!=window){$(opts.scrollContainer).scrollLeft($(opts.scrollContainer).scrollLeft()+list.scroll.moveX);return}var l=$(opts.scrollContainer).scrollLeft();if(list.scroll.moveX>0&&l<list.scroll.maxX||list.scroll.moveX<0&&l>0){$(opts.scrollContainer).scrollLeft(l+list.scroll.moveX);list.draggedItem.css("left",list.draggedItem.offset().left+list.scroll.moveX+1)}},10);$(lists).each(function(i,l){l.createDropTargets();l.buildPositionTable()});list.setPos(e.pageX,e.pageY);$(document).bind("mousemove",list.swapItems);$(document).bind("mouseup",list.dropItem);if(opts.scrollContainer!=window){$(window).bind("wheel",list.wheel)}},setPos:function(x,y){var top=y-this.offset.top;var left=x-this.offset.left;if(!opts.dragBetween){top=Math.min(this.offsetLimit.bottom,Math.max(top,this.offsetLimit.top));left=Math.min(this.offsetLimit.right,Math.max(left,this.offsetLimit.left))}var parent=this.draggedItem.offsetParent().not("body").offset();if(parent!=null){top-=parent.top;left-=parent.left}if(opts.scrollContainer==window){y-=$(window).scrollTop();x-=$(window).scrollLeft();y=Math.max(0,y-$(window).height()+5)+Math.min(0,y-5);x=Math.max(0,x-$(window).width()+5)+Math.min(0,x-5)}else{var cont=$(opts.scrollContainer);var offset=cont.offset();y=Math.max(0,y-cont.height()-offset.top)+Math.min(0,y-offset.top);x=Math.max(0,x-cont.width()-offset.left)+Math.min(0,x-offset.left)}list.scroll.moveX=x==0?0:x*opts.scrollSpeed/Math.abs(x);list.scroll.moveY=y==0?0:y*opts.scrollSpeed/Math.abs(y);this.draggedItem.css({top:top,left:left})},wheel:function(e){if(list&&opts.scrollContainer!=window){var cont=$(opts.scrollContainer);var offset=cont.offset();e=e.originalEvent;if(e.clientX>offset.left&&e.clientX<offset.left+cont.width()&&e.clientY>offset.top&&e.clientY<offset.top+cont.height()){var deltaY=(e.deltaMode==0?1:10)*e.deltaY;cont.scrollTop(cont.scrollTop()+deltaY);e.preventDefault()}}},buildPositionTable:function(){var pos=[];this.getItems().not([list.draggedItem[0],list.placeHolderItem[0]]).each(function(i){var loc=$(this).offset();loc.right=loc.left+$(this).outerWidth();loc.bottom=loc.top+$(this).outerHeight();loc.elm=this;pos[i]=loc});this.pos=pos},dropItem:function(){if(list.draggedItem==null){return}var orig=list.draggedItem.attr("data-origstyle");list.draggedItem.attr("style",orig);if(orig==""){list.draggedItem.removeAttr("style")}list.draggedItem.removeAttr("data-origstyle");list.styleDragHandlers(true);list.placeHolderItem.before(list.draggedItem);list.placeHolderItem.remove();$("[data-droptarget], .dragSortItem").remove();window.clearInterval(list.scroll.scrollY);window.clearInterval(list.scroll.scrollX);if(list.draggedItem.attr("data-origpos")!=$(lists).index(list)+"-"+$(list.container).children().index(list.draggedItem)){if(opts.dragEnd.apply(list.draggedItem)==false){var pos=list.draggedItem.attr("data-origpos").split("-");var nextItem=$(lists[pos[0]].container).children().not(list.draggedItem).eq(pos[1]);if(nextItem.size()>0){nextItem.before(list.draggedItem)}else{if(pos[1]==0){$(lists[pos[0]].container).prepend(list.draggedItem)}else{$(lists[pos[0]].container).append(list.draggedItem)}}}}list.draggedItem.removeAttr("data-origpos");list.draggedItem=null;$(document).unbind("mousemove",list.swapItems);$(document).unbind("mouseup",list.dropItem);if(opts.scrollContainer!=window){$(window).unbind("wheel",list.wheel)}return false},swapItems:function(e){if(list.draggedItem==null){return false}list.setPos(e.pageX,e.pageY);var ei=list.findPos(e.pageX,e.pageY);var nlist=list;for(var i=0;ei==-1&&opts.dragBetween&&i<lists.length;i++){ei=lists[i].findPos(e.pageX,e.pageY);nlist=lists[i]}if(ei==-1){return false}var children=function(){return $(nlist.container).children().not(nlist.draggedItem)};var fixed=children().not(opts.itemSelector).each(function(i){this.idx=children().index(this)});if(lastPos==null||lastPos.top>list.draggedItem.offset().top||lastPos.left>list.draggedItem.offset().left){$(nlist.pos[ei].elm).before(list.placeHolderItem)}else{$(nlist.pos[ei].elm).after(list.placeHolderItem)}fixed.each(function(){var elm=children().eq(this.idx).get(0);if(this!=elm&&children().index(this)<this.idx){$(this).insertAfter(elm)}else{if(this!=elm){$(this).insertBefore(elm)}}});$(lists).each(function(i,l){l.createDropTargets();l.buildPositionTable()});lastPos=list.draggedItem.offset();return false},findPos:function(x,y){for(var i=0;i<this.pos.length;i++){if(this.pos[i].left<x&&this.pos[i].right>x&&this.pos[i].top<y&&this.pos[i].bottom>y){return i}}return -1},createDropTargets:function(){if(!opts.dragBetween){return}$(lists).each(function(){var ph=$(this.container).find("[data-placeholder]");var dt=$(this.container).find("[data-droptarget]");if(ph.size()>0&&dt.size()>0){dt.remove()}else{if(ph.size()==0&&dt.size()==0){if(opts.tagName=="td"){$(opts.placeHolderTemplate).attr("data-droptarget",true).appendTo(this.container)}else{$(this.container).append(list.placeHolderItem.removeAttr("data-placeholder").clone().attr("data-droptarget",true))}list.placeHolderItem.attr("data-placeholder",true)}}})}};newList.init();lists.push(newList)});return this};$.fn.dragsort.defaults={itemSelector:"",dragSelector:"",dragSelectorExclude:"input, textarea",dragEnd:function(){},dragBetween:false,placeHolderTemplate:"",scrollContainer:window,scrollSpeed:5}})(jQuery);