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72 lines
2.1 KiB
72 lines
2.1 KiB
8 years ago
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/**
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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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_defaultConfig: function () {
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return BI.extend(BI.FloatCenterLayout.superclass._defaultConfig.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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_init: function () {
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BI.FloatCenterLayout.superclass._init.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("不能添加元素")
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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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this.clear();
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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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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);
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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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}).appendTo(list[i].el.element);
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self.addWidget(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.element,
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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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}
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});
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$.shortcut('bi.float_center', BI.FloatCenterLayout);
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