FragmentPresenter.java

/*
 * Copyright (c) 2015, 张涛.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.cheng.mvpframestudy.themvp.frame.presenter;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;

import com.cheng.mvpframestudy.themvp.frame.view.IDelegate;

/**
 * Presenter base class for Fragment
 * Presenter层的实现基类
 *
 * @param <T> View delegate class type
 * @author kymjs (http://www.kymjs.com/) on 10/23/15.
 */
public abstract class FragmentPresenter<T extends IDelegate> extends Fragment {
    public T viewDelegate;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        try {
            viewDelegate = getDelegateClass().newInstance();
        } catch (java.lang.InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle
            savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        viewDelegate.create(inflater, container, savedInstanceState);
        return viewDelegate.getRootView();
    }

    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        viewDelegate.initWidget();
        bindEventListener();
    }

    protected void bindEventListener() {
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        super.onCreateOptionsMenu(menu, inflater);
        if (viewDelegate.getOptionsMenuId() != 0) {
            inflater.inflate(viewDelegate.getOptionsMenuId(), menu);
        }
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        viewDelegate = null;
    }

    protected abstract Class<T> getDelegateClass();
}