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Pull request #3571: fix order demo

Merge in VISUAL/fineui from ~IMP/fineui_fui:master to master

* commit '23c8c021020ff3cb376674192dd7fffee55d2c54':
  修改
  说明
  fix order demo
research/test
imp-张健 1 year ago
parent
commit
d3404c8e6e
  1. 142
      examples/watch-order.html

142
examples/watch-order.html

@ -0,0 +1,142 @@
<html>
<head>
<meta charset="utf-8">
<title></title>
<!-- <link rel="stylesheet" type="text/css" href="../dist/2.0/fineui.min.css"/>
<script src="../dist/2.0/fineui.js"></script> -->
<link rel="stylesheet" type="text/css" href="http://fanruan.design/fineui/2.0/fineui.min.css"/>
<script src="http://localhost:9001/fineui.js"></script>
</head>
<body>
<div id="wrapper"></div>
<script>
var ParentModel = BI.inherit(BI.Model, {
state: function () {
return {
widget: {
name: "触发arr和dims变化",
arr: [],
dims: [],
}
};
},
watch: {
'widget.**': function () {
console.log(Math.random().toFixed(3) + ': widget.** changed');
}
},
childContext: ["widget"],
});
BI.model("demo.model.parent", ParentModel);
var Parent = BI.inherit(BI.Widget, {
_store: function () {
return BI.Models.getModel('demo.model.parent');
},
render: function () {
return {
type: "bi.vertical",
bgap: 10,
items: [{
type: 'bi.label',
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。'
}, {
type: 'bi.label',
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'
}, {
type: 'demo.child'
}],
text: function () {
return this.model.name;
}
};
}
});
BI.shortcut("demo.parent", Parent);
var ChildModel = BI.inherit(BI.Model, {
context: ["widget"],
watch: {
arr: {
handler: function () {
console.log(Math.random().toFixed(3) + ': arr changed');
},
sync: false // 改成true 同步watch 修改也行
}
},
computed: {
arr: function () {
return this.model.widget.arr;
},
dims: function () {
return this.model.widget.dims;
}
},
actions: {
addArrFirst: function () {
// 修改arr在前,先触发arr的watch 再触发widget.**的监听
this.model.widget.arr.push(BI.UUID());
this.model.widget.dims.push(BI.UUID());
},
addDimFirst: function () {
// 修改dim在前先执行 widget.** 再出发arr的watch
this.model.widget.dims.push(BI.UUID());
this.model.widget.arr.push(BI.UUID());
}
}
});
BI.model("demo.model.child", ChildModel);
var Child = BI.inherit(BI.Widget, {
_store: function () {
return BI.Models.getModel('demo.model.child');
},
render: function () {
var self = this;
return {
type: 'bi.left',
rgap: 20,
items: [{
type: "bi.button",
text: '先修改widget.arr',
handler: function () {
self.store.addArrFirst();
}
}, {
type: "bi.button",
text: '先修改widget.dims',
handler: function () {
self.store.addDimFirst();
}
}]
};
}
});
BI.shortcut("demo.child", Child);
BI.createWidget({
type: "bi.absolute",
items: [{
el: {
type: "demo.parent"
},
top: 100,
left: 100
}],
element: "#wrapper"
});
</script>
</body>
</html>
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