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<html>
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<head>
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<meta charset="utf-8">
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<title></title>
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<!-- <link rel="stylesheet" type="text/css" href="../dist/2.0/fineui.min.css"/>
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<script src="../dist/2.0/fineui.js"></script> -->
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<link rel="stylesheet" type="text/css" href="http://fanruan.design/fineui/2.0/fineui.min.css"/>
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<script src="http://localhost:9001/fineui.js"></script>
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</head>
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<body>
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<div id="wrapper"></div>
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<script>
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var ParentModel = BI.inherit(BI.Model, {
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state: function () {
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return {
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widget: {
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name: "触发arr和dims变化",
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arr: [],
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dims: [],
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}
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};
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},
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watch: {
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'widget.**': function () {
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console.log(Math.random().toFixed(3) + ': widget.** changed');
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}
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},
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childContext: ["widget"],
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});
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BI.model("demo.model.parent", ParentModel);
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var Parent = BI.inherit(BI.Widget, {
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_store: function () {
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return BI.Models.getModel('demo.model.parent');
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},
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render: function () {
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return {
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type: "bi.vertical",
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bgap: 10,
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items: [{
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type: 'bi.label',
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text: '父组件watch widget.**, 子组件watch了widget.arr, 修改widget中arr和dims的先后顺序不一样，会导致watch顺序不一样。'
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}, {
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type: 'bi.label',
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text: '不应该在修改属性，watch到修改后，还修改配置，或者使用同步watch把配置修改全'
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}, {
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type: 'demo.child'
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}],
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text: function () {
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return this.model.name;
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}
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};
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}
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});
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BI.shortcut("demo.parent", Parent);
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var ChildModel = BI.inherit(BI.Model, {
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context: ["widget"],
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watch: {
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arr: {
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handler: function () {
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console.log(Math.random().toFixed(3) + ': arr changed');
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},
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sync: false // 改成true 同步watch 修改也行
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}
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},
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computed: {
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arr: function () {
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return this.model.widget.arr;
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},
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dims: function () {
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return this.model.widget.dims;
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}
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},
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actions: {
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addArrFirst: function () {
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// 修改arr在前，先触发arr的watch 再触发widget.**的监听
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this.model.widget.arr.push(BI.UUID());
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this.model.widget.dims.push(BI.UUID());
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},
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addDimFirst: function () {
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// 修改dim在前先执行 widget.** 再出发arr的watch
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this.model.widget.dims.push(BI.UUID());
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this.model.widget.arr.push(BI.UUID());
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}
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}
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});
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BI.model("demo.model.child", ChildModel);
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var Child = BI.inherit(BI.Widget, {
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_store: function () {
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return BI.Models.getModel('demo.model.child');
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},
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render: function () {
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var self = this;
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return {
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type: 'bi.left',
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rgap: 20,
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items: [{
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type: "bi.button",
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text: '先修改widget.arr',
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handler: function () {
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self.store.addArrFirst();
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}
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}, {
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type: "bi.button",
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text: '先修改widget.dims',
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handler: function () {
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self.store.addDimFirst();
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}
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}]
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};
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}
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});
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BI.shortcut("demo.child", Child);
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BI.createWidget({
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type: "bi.absolute",
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items: [{
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el: {
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type: "demo.parent"
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},
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top: 100,
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left: 100
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}],
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element: "#wrapper"
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});
|
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</script>
|
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</body>
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</html>
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