package com.doumee.lib_coremodel.binding.command;
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/**
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* About : kelin的ReplyCommand
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* 执行的命令回调, 用于ViewModel与xml之间的数据绑定
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*/
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public class BindingCommand<T> {
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private BindingAction execute;
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private BindingPAction pAction;
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private BindingConsumer<T> consumer;
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private BindingFunction<Boolean> canExecute0;
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public BindingCommand(BindingAction execute) {
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this.execute = execute;
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}
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public BindingCommand(BindingPAction pAction) {
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this.pAction = pAction;
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}
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/**
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* @param execute 带泛型参数的命令绑定
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*/
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public BindingCommand(BindingConsumer<T> execute) {
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this.consumer = execute;
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}
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/**
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* @param execute 触发命令
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* @param canExecute0 true则执行,反之不执行
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*/
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public BindingCommand(BindingAction execute, BindingFunction<Boolean> canExecute0) {
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this.execute = execute;
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this.canExecute0 = canExecute0;
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}
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/**
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* @param execute 带泛型参数触发命令
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* @param canExecute0 true则执行,反之不执行
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*/
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public BindingCommand(BindingConsumer<T> execute, BindingFunction<Boolean> canExecute0) {
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this.consumer = execute;
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this.canExecute0 = canExecute0;
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}
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/**
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* 执行BindingAction命令
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*/
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public void execute() {
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if (execute != null && canExecute0()) {
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execute.call();
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}
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}
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public void execute(Object... objects){
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if(pAction!=null&& canExecute0()){
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pAction.call(objects);
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}
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}
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/**
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* 执行带泛型参数的命令
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*
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* @param parameter 泛型参数
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*/
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public void execute(T parameter) {
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if (consumer != null && canExecute0()) {
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consumer.call(parameter);
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}
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}
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/**
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* 是否需要执行
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*
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* @return true则执行, 反之不执行
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*/
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private boolean canExecute0() {
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if (canExecute0 == null) {
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return true;
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}
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return canExecute0.call();
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}
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}
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