snake demo

2019-07-25 00:14:55 +08:00
parent 8cdff3a8e4
commit cd85a5a676
3 changed files with 58 additions and 7 deletions
--- a/js-framework/src/vm/mvvm.ts
+++ b/js-framework/src/vm/mvvm.ts
@@ -30,7 +30,7 @@ export abstract class ViewHolder {

 export abstract class VMPanel<M extends Object, V extends ViewHolder> extends Panel {

-    private vm: ViewModel<M, V> = new (this.getVMClass())(this.getModel(), this.getViewHolder())
+    private vm?: ViewModel<M, V>

    abstract getVMClass(): new (m: M, v: V) => ViewModel<M, V>

@@ -44,6 +44,7 @@ export abstract class VMPanel<M extends Object, V extends ViewHolder> extends Pa
    }

    build(root: Group): void {
+        this.vm = new (this.getVMClass())(this.getModel(), this.getViewHolder())
        this.vm.build(root)
    }
 }