editAction: function () {
var $item = this.$('.item');
var $subBtn = this.$('.sub-btn');
var $checkBox = this.$('.checkbox');
var status = this.model.get('editStatus');
var $itemContent = this.$('.item-content'), checkHtml;
if ( status ) {
$item.addClass('weui_cells_checkbox');
// 这里循环生成html，为了获得不同的for--id值
// 过程比较复杂，大致为：先生成选择框label，然后把itemContent移到里面去
// 移到里面去是为了能够点击每个item的时候都能选中input框
// 这里面的操作全部为DOM操作，性能较低
for (var i = 0,len = $itemContent.length; i < len; i++) {
checkHtml = T.compile(U.checkHtml)({index:i});
$(checkHtml).insertBefore( $itemContent[i] );
var $label = this.$('label');
$($label[i]).append( $itemContent[i] );
}
$checkBox = this.$('.checkbox');
$subBtn.addClass("animate");
} else {
// 当取消编辑时，需要把移入到content中的checkbox移动到外面来
// 暂时没有想到更好的方法去实现
$item.removeClass('weui_cells_checkbox');
$subBtn.removeClass("animate");
for (var j = 0, length = $itemContent.length; j < length; j++) {
$($itemContent[j]).insertAfter($checkBox[j]);
}
$checkBox.remove();
}
},
_removeItem: function ( deleteList ) {
if ( !deleteList && deleteList.length === 0 ) return;
var deleteItem = [];
var $item = this.$(".item");
for (var i = 0, len = deleteList.length; i < len; i++) {
for (var j = 0, length = $item.length; j < length; j++) {
if ( $($item[j]).data('sku_id') == deleteList[i] ) {
$( $item[j] ).remove();
}
}
}
},
ele.parents().each(function ( i, v ) {
var $item = $(v);
if ( $item.hasClass('item')) {
skuId = $item.data('sku_id');
return skuId;
}
});
checkOn: function ( e ) {
var $target = $( e.target );
// 手机端会先触发label，然后在触发input，这里过滤掉label
if ( $target[0].nodeName.toLowerCase() == 'label' ) return;
var isChecked = $target.prop('checked');
var action = isChecked ? 'add' : 'sub';
var skuId = this._getSkuId( $target );
this.model.updateNum( action, skuId );
},
switchCate: function ( e ) {
var status = this.model.get('cateStatus');
var $cate = this.$('.category');
var $list = $cate.find('.list');
var $target = $(e.target);
if ( $target.hasClass('cur') ) {
this.updateCate( $target );
}
$list.toggleClass('active');
this._changeIconStatus();
},
$(window).on('scroll.coupon', function() {
var $this = $(this);
clearTimeout(timer);
timer = setTimeout(function() {
var scrollTop = $this.scrollTop();
var height = $this.height();
var scrollHeight = document.body.scrollHeight;
if (scrollTop + height + 10 > scrollHeight) {
self.showNextPage();
}
}, 100);
});
actConfirmSelect: function( e ) {
var that = this;
var $target = $(e.target);
if ( $target.hasClass('conflict') ) {
Confirm.show('当前优惠券与订单折扣不能同时使用，确认使用优惠券？', function() {
that.selectCoupon( $target );
}, function() {
that.$mod.find('input[ name= "couponRadio" ]').prop('checked', false);
$oldChoice.prop('checked', true);
});
} else {
that.selectCoupon( $target );
}
},
edit: function ( e ) {
var $target = $(e.target);
var editable = this.model.get('editable');
var editStatus = this.model.get('editStatus');
if ( editable ) {
this._changeHeader( editable, $target );
this.model.changeEditStatus();
this.model.set('checkedNum', 0);
}
// 如果editable为false，且editStatus为true，则也需要完成
if ( !editable && editStatus ) {
this._changeHeader( editStatus, $target );
}
},
$(window).on('scroll.collect', function() {
var $this = $(this);
clearTimeout(that.timer);
that.timer = setTimeout(function() {
var scrollTop = $this.scrollTop();
var height = $this.height();
var scrollHeight = document.body.scrollHeight;
if (scrollTop + height + 10 > scrollHeight) {
if ( !that.isEnd ) {
Loading.show('数据加载中...');
that.model.getList({catid: that.catId, pn: that.model.pn + 12});
}
}
}, 100);
});
initialize: function ( options ) {
artTpl.helper('desc_filter', filters.desc_filter);
artTpl.helper('value_filter', filters.value_filter);
artTpl.helper('date_filter', filters.date_filter);
if( options ){
this.model = new Model(options);
}else {
this.model = new Model();
}
//渲染容器
$(document.body).append( this.$el );
this.listenTo( this.model, 'sync', this.render );
this.listenTo( this.model, 'change:currentCoupon', this.appendItem );
if ( options && options.id ) {
this.model.getList( true, options.id );
} else {
this.model.getList();
}
this.bindEvents();
},
unbindEvent: function() {
$(window).off('.coupon');
}
close: function () {
$('window').off('.collect');
}
renderUI: function () {
$(document.body).append( this.$el.html( U.ui /* 此处没有加载数据，可不用compile */) );
},