html5+css3气泡组件的实现_css3_CSS_网页制作

• 价格：￥35


• 评分：80


• 级别：5

• 价格：￥35


• 评分：80


• 级别：5

• 价格：￥35


• 评分：80


• 级别：5

this.datamodel = {
data: [],
wrapperClass: 'cui-bubble-layer',
upClass: 'cui-pop--triangle-up',
downClass: 'cui-pop--triangle-down',
curClass: 'active',
itemStyleClass: '',
needBorder: true,
index: -1,
dir: 'up' //箭头方向默认值
};

this.events = {
'click .cui-pop-list>li': 'clickAction'
};

this.onClick = function (data, index, el, e) {
console.log(arguments);
// this.setIndex(index);
};

this.width = null;

//三角图标偏移量
this.triangleLeft = null;
this.triangleRight = null;

this.triggerEl = null;

},

initialize: function ($super, opts) {
$super(opts);
},

createRoot: function (html) {
this.$el = $(html).hide().attr('id', this.id);
},

clickAction: function (e) {
var el = $(e.currentTarget);
var i = el.attr('data-index');
var data = this.datamodel.data[i];
this.onClick.call(this, data, i, el, e);
},

initElement: function () {
this.el = this.$el;
this.triangleEl = this.$('.cui-pop-triangle');
this.windowWidth = $(window).width();
},

setIndex: function (i) {
var curClass = this.datamodel.curClass;
i = parseInt(i);
if (i < 0 || i > this.datamodel.data.length || i == this.datamodel.index) return;
this.datamodel.index = i;

//这里不以datamodel改变引起整个dom变化了，不划算
this.$('.cui-pop-list li').removeClass(curClass);
this.$('li[data-index="' + i + '"]').addClass(curClass);
},

//位置定位
reposition: function () {
if (!this.triggerEl) return;
var offset = this.triggerEl.offset();
var step = 6, w = offset.width - step;
var top = 0, left = 0, right;
if (this.datamodel.dir == 'up') {
top = (offset.top + offset.height + 8) + 'px';
} else {
top = (offset.top - this.el.offset().height - 8) + 'px';
}

left = (offset.left + 2) + 'px';

if (offset.left + (parseInt(this.width) || w) > this.windowWidth) {
this.el.css({
width: this.width || w,
top: top,
right: '2px'
});
} else {
this.el.css({
width: this.width || w,
top: top,
left: left
});
}

if (this.triangleLeft) {
this.triangleEl.css({ 'left': this.triangleLeft, 'right': 'auto' });
}
if (this.triangleRight) {
this.triangleEl.css({ 'right': this.triangleRight, 'left': 'auto' });
}
},

addEvent: function ($super) {
$super();
this.on('onCreate', function () {
this.$el.removeClass('cui-layer');
this.$el.css({ position: 'absolute' });
});
this.on('onShow', function () {
this.setzIndexTop(this.el);
});
}

});

});

handleSizeOverflow: function () {
if (!this.isSizeOverflow()) return;

this.listWrapper.css({
height: (parseInt(this.windowHeight * 0.8) + 'px'),
overflow: 'hidden',
position: 'relative'
});

this.listEl.css({ position: 'absolute', width: '100%' });

//调用前需要重置位置
this.reposition();

this.scroll = new UIScroll({
wrapper: this.listWrapper,
scroller: this.listEl
});
},

checkSizeOverflow: function () {
this.handleSizeOverflow();
},

addEvent: function ($super) {
$super();
this.on('onCreate', function () {
this.$el.removeClass('cui-layer');
this.$el.css({ position: 'absolute' });
});
this.on('onShow', function () {

//检查可视区域是否超出;
this.checkSizeOverflow();
this.setzIndexTop(this.el);
});
this.on('onHide', function () {
if (this.scroll) this.scroll.destroy();
});
}