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5 lines
9.1 KiB
5 lines
9.1 KiB
3 years ago
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/*!
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* Nestable jQuery Plugin - Copyright (c) 2012 David Bushell - http://dbushell.com/
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* Dual-licensed under the BSD or MIT licenses
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*/
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(function($,window,document,undefined){var hasTouch="ontouchstart"in document.documentElement;var hasPointerEvents=function(){var el=document.createElement("div"),docEl=document.documentElement;if(!("pointerEvents"in el.style)){return false}el.style.pointerEvents="auto";el.style.pointerEvents="x";docEl.appendChild(el);var supports=window.getComputedStyle&&window.getComputedStyle(el,"").pointerEvents==="auto";docEl.removeChild(el);return!!supports}();var eStart=hasTouch?"touchstart":"mousedown",eMove=hasTouch?"touchmove":"mousemove",eEnd=hasTouch?"touchend":"mouseup";eCancel=hasTouch?"touchcancel":"mouseup";var defaults={listNodeName:"ol",itemNodeName:"li",rootClass:"dd",listClass:"dd-list",itemClass:"dd-item",dragClass:"dd-dragel",handleClass:"dd-handle",collapsedClass:"dd-collapsed",placeClass:"dd-placeholder",noDragClass:"dd-nodrag",emptyClass:"dd-empty",expandBtnHTML:'<button data-action="expand" type="button">Expand</button>',collapseBtnHTML:'<button data-action="collapse" type="button">Collapse</button>',group:0,maxDepth:5,threshold:20};function Plugin(element,options){this.w=$(window);this.el=$(element);this.options=$.extend({},defaults,options);this.init()}Plugin.prototype={init:function(){var list=this;list.reset();list.el.data("nestable-group",this.options.group);list.placeEl=$('<div class="'+list.options.placeClass+'"/>');$.each(this.el.find(list.options.itemNodeName),function(k,el){list.setParent($(el))});list.el.on("click","button",function(e){if(list.dragEl||!hasTouch&&e.button!==0){return}var target=$(e.currentTarget),action=target.data("action"),item=target.parent(list.options.itemNodeName);if(action==="collapse"){list.collapseItem(item)}if(action==="expand"){list.expandItem(item)}});var onStartEvent=function(e){var handle=$(e.target);if(!handle.hasClass(list.options.handleClass)){if(handle.closest("."+list.options.noDragClass).length){return}handle=handle.closest("."+list.options.handleClass)}if(!handle.length||list.dragEl||!hasTouch&&e.button!==0||hasTouch&&e.touches.length!==1){return}e.preventDefault();list.dragStart(hasTouch?e.touches[0]:e)};var onMoveEvent=function(e){if(list.dragEl){e.preventDefault();list.dragMove(hasTouch?e.touches[0]:e)}};var onEndEvent=function(e){if(list.dragEl){e.preventDefault();list.dragStop(hasTouch?e.touches[0]:e)}};if(hasTouch){list.el[0].addEventListener(eStart,onStartEvent,false);window.addEventListener(eMove,onMoveEvent,false);window.addEventListener(eEnd,onEndEvent,false);window.addEventListener(eCancel,onEndEvent,false)}else{list.el.on(eStart,onStartEvent);list.w.on(eMove,onMoveEvent);list.w.on(eEnd,onEndEvent)}},serialize:function(){var data,depth=0,list=this;step=function(level,depth){var array=[],items=level.children(list.options.itemNodeName);items.each(function(){var li=$(this),item=$.extend({},li.data()),sub=li.children(list.options.listNodeName);if(sub.length){item.children=step(sub,depth+1)}array.push(item)});return array};data=step(list.el.find(list.options.listNodeName).first(),depth);return data},serialise:function(){return this.serialize()},reset:function(){this.mouse={offsetX:0,offsetY:0,startX:0,startY:0,lastX:0,lastY:0,nowX:0,nowY:0,distX:0,distY:0,dirAx:0,dirX:0,dirY:0,lastDirX:0,lastDirY:0,distAxX:0,distAxY:0};this.moving=false;this.dragEl=null;this.dragRootEl=null;this.dragDepth=0;this.hasNewRoot=false;this.pointEl=null},expandItem:function(li){li.removeClass(this.options.collapsedClass);li.children('[data-action="expand"]').hide();li.children('[data-action="collapse"]').show();li.children(this.options.listNodeName).show()},collapseItem:function(li){var lists=li.children(this.options.listNodeName);if(lists.length){li.addClass(this.options.collapsedClass);li.children('[data-action="collapse"]').hide();li.children('[data-action="expand"]').show();li.children(this.options.listNodeName).hide()}},expandAll:function(){var list=this;list.el.find(list.options.itemNodeName).each(function(){list.expandItem($(this))})},collapseAll:function(){var list=this;list.el.find(list.options.itemNodeName).each(function(){list.collapseItem($(this))})},setParent:function(
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