fineui是帆软报表和BI产品线所使用的前端框架。
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/**
* 水平和垂直方向都居中容器, 非自适应,用于宽度高度固定的面板
* @class BI.CenterLayout
* @extends BI.Layout
*/
BI.CenterLayout = BI.inherit(BI.Layout, {
props: function () {
return BI.extend(BI.CenterLayout.superclass.props.apply(this, arguments), {
baseCls: "bi-center",
hgap: 0,
vgap: 0,
lgap: 0,
rgap: 0,
tgap: 0,
bgap: 0
});
},
render: function () {
BI.CenterLayout.superclass.render.apply(this, arguments);
var self = this, o = this.options;
var list = [], items = o.items;
BI.each(items, function (i) {
list.push({
column: i,
row: 0,
el: BI._lazyCreateWidget({
type: "bi.default",
cls: "center-element " + (i === 0 ? "first-element " : "") + (i === items.length - 1 ? "last-element" : "")
})
});
});
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.grid",
ref: function (_ref) {
self.layout = _ref;
},
columns: list.length,
rows: 1,
items: list
};
},
resize: function () {
// console.log("center布局不需要resize");
},
addItem: function (item) {
// do nothing
throw new Error("不能添加子组件");
},
populate: function (items) {
this.layout.populate.apply(this.layout, arguments);
}
});
BI.shortcut("bi.center", BI.CenterLayout);