define(function(require, exports, module) {

	require('./mtree.css');

	module.exports = {

		init: function(DOM, opts) {

			var checked = new Array();

			var opts = $.extend({

				script: '/plugins/region/data.php', //请求脚本地址

				input: '',

				disableIds: '',

				callback: function(ids, data) {

					$(opts.input).val(ids);

				}

			}, opts);

			

			$.ajaxSetup({cache: true});

			$.getJSON(opts.script, function(data) {

				var els = render(data); 

				$(DOM).html('<ul class="sc-mtree">'+els+'</ul><div class="clearfix"></div>');



				$(document).bind('click', function(e) {   

					var els = $(e.target);

					if (els.parents('.sc-mtree-item').length == 0) {

						$('.sc-mtree-item').removeClass('active');

					}

				});



				$('.sc-mtree-switch', $(DOM)).click(function() {

					if ($(this).parents('.sc-mtree-item').hasClass('active')) {

						$(this).parents('.sc-mtree-item').removeClass('active');

					} else {

						$('.sc-mtree-item', $(DOM)).removeClass('active');

						$(this).parents('.sc-mtree-item').addClass('active');

					}

				});



				$('input[type=checkbox]', $(DOM)).on('change', function(){

					checkedIpt(this);

					//滤空

					var arr = new Array();

					for(id in checked) {

						if (checked[id]) { arr.push(checked[id]); }

					}

					opts.callback(arr, data);

				});



				for(idx in opts.disableIds) {

					$('#sc-mtree-ipt-'+opts.disableIds[idx]).attr('checked', true).attr('disabled', true);

					$('#sc-mtree-'+opts.disableIds[idx]+' .sc-mtree-childs input').attr('checked', true).attr('disabled', true);

					$('input', $('#sc-mtree-ipt-'+opts.disableIds[idx]).parents('.sc-mtree-item').children('.sc-mtree-item-box')).attr('disabled', true);

				};



				//默认值

				var inputValues = $(opts.input).val() ? $(opts.input).val().split(',') : 0;

				for(idx in inputValues) {

					var id = inputValues[idx];

					$('#sc-mtree-ipt-'+id).attr('checked', true);

					$('#sc-mtree-ipt-'+id).trigger("change");

				}



				$('input:disabled', $(DOM)).each(function() {

					var id = $(this).data('extend').id;

					var total1 = $('#sc-mtree-'+id+' .sc-mtree-childs input').length;

					var total2 = $('#sc-mtree-'+id+' .sc-mtree-childs input:checked').length;



					if (total1 == total2) {

						$(this).attr('checked', true);

					}

				});

			});

			

			//Checkbox 单个选中

			$.fn.checkItem = function (checkAllIpt, groupIpt, controlBtn) {

				var flag = $(groupIpt+':checked').length ? true : false;

				var checkAllFlag = $(groupIpt+':checked').length == $(groupIpt).length ? true : false;

				$(checkAllIpt).attr('checked', checkAllFlag);

			};



			function checkedIpt(obj) {

				var flag = $(obj).is(":checked") ? true : false;

				var extend = $(obj).data('extend');

				var id = $.inArray(extend.id, checked);

				var pid = $.inArray(extend.parent_id, checked);

				if (!$(obj).parents('.sc-mtree-childs').length) { //根级

					$('#sc-mtree-'+extend.id+' > .sc-mtree-childs input:not(:disabled)').prop('checked', flag);



					var count = $('#sc-mtree-'+extend.id+' > .sc-mtree-childs input:not(:disabled):checked').length;			



					if (count > 0) $('#sc-mtree-'+extend.id+' .sc-mtree-checked-count').text('('+count+')');

					else $('#sc-mtree-'+extend.id+' .sc-mtree-checked-count').empty();

					

					$('#sc-mtree-'+extend.id+' > .sc-mtree-childs input:not(:disabled)').each(function() {

						var id = $(this).data('extend').id;

						var idx = $.inArray(id, checked);

						delete checked[idx];

					});



					if ($(obj).is(":checked")) checked.push(extend.id);

					else delete checked[id];

				} else { //子级

					var groupIpt = '#sc-mtree-'+extend.parent_id+' > .sc-mtree-childs input:not(:disabled)';

					var flag = $(groupIpt+':checked').length ? true : false;

					var checkAllFlag = $(groupIpt+':checked').length == $(groupIpt).length ? true : false;

					$('#sc-mtree-'+extend.parent_id+' > .sc-mtree-item-box input').prop('checked', checkAllFlag);





					var count = $('#sc-mtree-'+extend.parent_id+' > .sc-mtree-childs input:not(:disabled):checked').length;

					var total = $('#sc-mtree-'+extend.parent_id+' > .sc-mtree-childs input').length;

					var sChecked = new Array();



					if (count > 0) $('#sc-mtree-'+extend.parent_id+' .sc-mtree-checked-count').text('('+count+')');

					else $('#sc-mtree-'+extend.parent_id+' .sc-mtree-checked-count').empty();				



					//计算选中

					delete checked[pid];

					$('#sc-mtree-'+extend.parent_id+' > .sc-mtree-childs input:not(:disabled)').each(function() {

						var id = $(this).data('extend').id;

						var idx = $.inArray(id, checked);

						if ($(this).is(":checked")) sChecked.push(id);

						delete checked[idx]; //删除选中子类

					});



					if (count == total) { //全选

						checked.push(extend.parent_id);

					} else {

						for(idx in sChecked) {

							checked.push(sChecked[idx]);

						}

					}

				}

			}



			function render(data) {

				var els = '';

				$.each(data, function(i, item) {

					var extend = new Object();

					for(key in item) {

						if (key == 'childnotes') continue;

						extend[key] = item[key];

					}

					extend = JSON.stringify(extend);

					els += '<li id="sc-mtree-'+item.id+'" class="sc-mtree-item">';

					els += '<p class="sc-mtree-item-box"><label><input id="sc-mtree-ipt-'+item.id+'" type="checkbox" data-extend=\''+extend+'\'>'+item.name+'</label>';

					if (item.childnotes) {

						els += '<span class="sc-mtree-checked-count"></span>';

						els += '<span class="sc-mtree-switch"></span></p>';

						els += '<ul class="sc-mtree-childs">'+render(item.childnotes)+'</ul>';

					} else {

						els += '</p>';

					}

					els += '</li>';

				});

				return els;

			}

		}

	};

})