forked from fanruan/fineui
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.3 KiB
75 lines
2.3 KiB
/** |
|
* 浮动布局实现的居中容器 |
|
* @class BI.FloatCenterLayout |
|
* @extends BI.Layout |
|
*/ |
|
BI.FloatCenterLayout = BI.inherit(BI.Layout, { |
|
props: function () { |
|
return BI.extend(BI.FloatCenterLayout.superclass.props.apply(this, arguments), { |
|
baseCls: "bi-float-center", |
|
hgap: 0, |
|
vgap: 0, |
|
lgap: 0, |
|
rgap: 0, |
|
tgap: 0, |
|
bgap: 0 |
|
}); |
|
}, |
|
render: function () { |
|
BI.FloatCenterLayout.superclass.render.apply(this, arguments); |
|
var self = this, o = this.options, items = o.items; |
|
var list = [], width = 100 / items.length; |
|
BI.each(items, function (i) { |
|
var widget = BI._lazyCreateWidget({ |
|
type: "bi.default" |
|
}); |
|
widget.element.addClass("center-element " + (i === 0 ? "first-element " : "") + (i === items.length - 1 ? "last-element" : "")).css({ |
|
width: width + "%", |
|
height: "100%" |
|
}); |
|
list.push({ |
|
el: widget |
|
}); |
|
}); |
|
BI.each(items, function (i, item) { |
|
if (item) { |
|
var w = BI._lazyCreateWidget(item); |
|
w.element.css({ |
|
position: "absolute", |
|
left: (o.hgap + o.lgap) / BI.pixRatio + BI.pixUnit, |
|
right: (o.hgap + o.rgap) / BI.pixRatio + BI.pixUnit, |
|
top: (o.vgap + o.tgap) / BI.pixRatio + BI.pixUnit, |
|
bottom: (o.vgap + o.bgap) / BI.pixRatio + BI.pixUnit, |
|
width: "auto", |
|
height: "auto" |
|
}); |
|
list[i].el.addItem(w); |
|
} |
|
}); |
|
return { |
|
type: "bi.left", |
|
ref: function (_ref) { |
|
self.layout = _ref; |
|
}, |
|
items: list |
|
}; |
|
}, |
|
|
|
resize: function () { |
|
// console.log("floatcenter布局不需要resize"); |
|
}, |
|
|
|
addItem: function (item) { |
|
// do nothing |
|
throw new Error("不能添加子组件"); |
|
}, |
|
|
|
update: function (opt) { |
|
return this.layout.update(opt); |
|
}, |
|
|
|
populate: function (items) { |
|
this.layout.populate.apply(this.layout, arguments); |
|
} |
|
}); |
|
BI.shortcut("bi.float_center", BI.FloatCenterLayout);
|
|
|