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74 lines
2.2 KiB
74 lines
2.2 KiB
/** |
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* 浮动布局实现的居中容器 |
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* @class BI.FloatCenterLayout |
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* @extends BI.Layout |
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*/ |
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BI.FloatCenterLayout = BI.inherit(BI.Layout, { |
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props: function () { |
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return BI.extend(BI.FloatCenterLayout.superclass.props.apply(this, arguments), { |
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baseCls: "bi-float-center-layout", |
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hgap: 0, |
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vgap: 0, |
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lgap: 0, |
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rgap: 0, |
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tgap: 0, |
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bgap: 0 |
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}); |
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}, |
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render: function () { |
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BI.FloatCenterLayout.superclass.render.apply(this, arguments); |
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this.populate(this.options.items); |
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}, |
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resize: function () { |
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// console.log("floatcenter布局不需要resize"); |
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}, |
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addItem: function (item) { |
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// do nothing |
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throw new Error("cannot be added"); |
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}, |
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stroke: function (items) { |
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var self = this, o = this.options; |
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var list = [], width = 100 / items.length; |
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BI.each(items, function (i) { |
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var widget = BI.createWidget({ |
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type: "bi.default" |
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}, self); |
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widget.element.addClass("center-element " + (i === 0 ? "first-element " : "") + (i === items.length - 1 ? "last-element" : "")).css({ |
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width: width + "%", |
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height: "100%" |
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}); |
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list.push({ |
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el: widget |
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}); |
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}); |
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BI.each(items, function (i, item) { |
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if (item) { |
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var w = BI.createWidget(item, self); |
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w.element.css({ |
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position: "absolute", |
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left: o.hgap + o.lgap, |
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right: o.hgap + o.rgap, |
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top: o.vgap + o.tgap, |
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bottom: o.vgap + o.bgap, |
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width: "auto", |
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height: "auto" |
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}); |
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list[i].el.addItem(w); |
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} |
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}); |
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BI.createWidget({ |
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type: "bi.left", |
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element: this, |
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items: list |
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}); |
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}, |
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populate: function (items) { |
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BI.FloatCenterLayout.superclass.populate.apply(this, arguments); |
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this._mount(); |
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} |
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}); |
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BI.shortcut("bi.float_center", BI.FloatCenterLayout); |