private void Observable_Test()
{
Log.L("init ObservableObject Test");
ObservableObjectHandler binder = new ObservableObjectHandler();
Observable_A a = new Observable_A();
Log.L($"a.value = {a.value}");
Log.L("bind");
binder.BindProperty(
(value) => {
a.value = value;
Log.L($"listen change a.value to {value }");
},
() => { return(a.value); }
);
Log.L($"a.value = {a.value}");
Log.L("change value to a");
a.value = "a";
Log.L($"a.value = {a.value}");
Log.L("change value to b");
a.value = "b";
Log.L($"a.value = {a.value}");
}
/// <summary>
/// 单向/数据变化监听
/// </summary>
private void Observable_Test()
{
Log.L("——————————————————————————");
Log.L("单向绑定监听数据变化示例");
Log.L("需要新建一个ObservableObjectHandler对象用于对继承了ObservableObject类的对象变化进行监听");
Log.L("新建对象binder和被观察的对象observedA");
ObservableObjectHandler binder = new ObservableObjectHandler();
Observable_A observedA = new Observable_A();
Log.L($"observedA当前的value值为{observedA.value} \n");
Log.L("开始绑定操作，参数getter和setter将会被调用一次");
binder.BindProperty(
(value) =>
{
observedA.value = value;
Log.L($"值被改变，新值为{value}");
},
() =>
{
return(observedA.value);
}
);
Log.L($"observedA当前的value值为{observedA.value} \n");
Log.L("将observedA的value值改为1");
observedA.value = 1;
Log.L($"observedA当前的value值为{observedA.value} \n");
Log.L("将observedA的value值改为2");
observedA.value = 2;
Log.L($"observedA当前的value值为{observedA.value} \n");
}
/// <summary>
/// ctor
/// </summary>
public View()
{
handler = new ObservableObjectHandler();
_context.Subscribe(BindProperty);
}
