pda/zhuike/.svn/pristine/c4/c4865e51b091cfc44e288d9f32a917375d02ea5b.svn-base

package com.novelbook.android;

import android.content.Intent;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;

import com.ixiaow.multilayout.MultiLayout;
import com.novelbook.android.Fragments.BasicFragment;
import com.novelbook.android.Fragments.Fragment_booklist;
import com.novelbook.android.Fragments.Fragment_shudan_list;
import com.flyco.tablayout.SlidingTabLayout;
import com.novelbook.android.bean.ProgressType;
import com.novelbook.android.utils.Constants;

import java.util.ArrayList;
import java.util.List;

import butterknife.BindView;

import static com.novelbook.android.utils.Constants.lstNt;
import static com.novelbook.android.utils.Constants.lstProgress;
import static com.novelbook.android.utils.Constants.lstSex;

public class Activity_cate_books extends Activity_base {
    public static  final String TAG=Activity_cate_books.class.getSimpleName();
    public static String EXTRNAME="catename";
    @BindView(R.id.viewpager)
    ViewPager mViewpager;
    @BindView(R.id.tab_layout)
    SlidingTabLayout tabLayout;

    @BindView(R.id.topic_layout)
    MultiLayout topic_layout;

    String cate="";
    private ArrayList<BasicFragment> mFragments;
    ArrayList<View> mList;
    String[] mTitle;

    private int tabPos;

    @Override
    public int getLayoutRes() {
        return R.layout.activity_cate_books;
    }

    @Override
    protected void initViews() {
        creatToolbar();
        initTabs2();
    }


    @Override
    protected void setTitle() {
        cate = getIntent().getStringExtra(EXTRNAME);
        this.setTitle(cate);
    }

    @Override
    protected void initData() {

    }

    @Override
    public void fillData() {

    }
//---------tabs-------------

    void initTabs() {
        List<String> lstType = new ArrayList<String>()  ;//Arrays.asList(lstProgress);
        for(ProgressType progressType : Constants.lstProgressType){
            lstType.add(progressType.getName());
        }
        topic_layout.initTabNames(lstType) ;
        topic_layout.setOnTabSelectListener(new MultiLayout.OnTabSelectListener() {
            @Override
            public void select(TextView textView, int i, int i1) {
                Log.d(TAG, String.format("select: text %s，i %s i1 %s ",textView.getText(),i,i1));
                 tabPos = i1;
                tabChanged();
            }
        });


    }
    void initTabs2() {

        if(Constants.lstProgressType==null){
            return;
        }


        if (mFragments == null ) {

            mFragments = new ArrayList<BasicFragment>();
        }
        mFragments.clear();

        for(ProgressType progressType : Constants.lstProgressType) {
            mFragments.add(Fragment_booklist.newInstance(cate, progressType.getId()));
        }

        Log.d(TAG, "initial fragments in tabs ");

        Log.d(TAG, "set viewPager adapter ");
        //    FragmentPagerAdapter mAdapter = new FragmentPagerAdapter(activity.getSupportFragmentManager()) {   第一次进入没问题，再次进入ViewPager的fragment时里面内容就没了,数据丢失  https://blog.csdn.net/allan_bst/article/details/64920076
        FragmentPagerAdapter mAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) {
            @Override
            public Fragment getItem(int position) {
                return mFragments.get(position);
            }

            @Override
            public int getCount() {
                return mFragments.size();
            }

            //ViewPager与TabLayout绑定后，这里获取到PageTitle就是Tab的Text
            @Override
            public CharSequence getPageTitle(int position) {
                return Constants.lstProgressType.get(position).getName();
            }
        };
        mViewpager.setAdapter(mAdapter);
        mViewpager.setOffscreenPageLimit( Constants.lstProgressType.size()+1);
       tabLayout.setViewPager(mViewpager);
        // tabLayout.setViewPager(mViewpager, mTitle, activity, mFragments);
        mViewpager.setCurrentItem(0);



    }

        int tmp=0;
        private void tabChanged() {

            Log.d(TAG, String.format("tabChanged: to load data tmp %s" , tmp ));
            tmp++;

            if(lstSex==null) return;



            if (mFragments == null ) {

                mFragments = new ArrayList<BasicFragment>();
            }
            mFragments.clear();

            mFragments.add(Fragment_booklist.newInstance(cate, Constants.lstProgressType.get(tabPos).getId()));


                Log.d(TAG, "initial fragments in tabs ");

            Log.d(TAG, "set viewPager adapter ");
            //    FragmentPagerAdapter mAdapter = new FragmentPagerAdapter(activity.getSupportFragmentManager()) {   第一次进入没问题，再次进入ViewPager的fragment时里面内容就没了,数据丢失  https://blog.csdn.net/allan_bst/article/details/64920076
            FragmentPagerAdapter mAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) {
                @Override
                public Fragment getItem(int position) {
                    return mFragments.get(position);
                }

                @Override
                public int getCount() {
                    return mFragments.size();
                }

                //ViewPager与TabLayout绑定后，这里获取到PageTitle就是Tab的Text
                @Override
                public CharSequence getPageTitle(int position) {
                    return mTitle[position];
                }
            };
            mViewpager.setAdapter(mAdapter);
            mViewpager.setOffscreenPageLimit(2);



            // tabLayout.setViewPager(mViewpager);
            // tabLayout.setViewPager(mViewpager, mTitle, activity, mFragments);
            mViewpager.setCurrentItem(0);

        }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.booksearch, menu);

        return true;
    }
    private void creatToolbar() {

        setSupportActionBar(toolbar);


        toolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
            @Override
            public boolean onMenuItemClick(MenuItem item) {
                int menuItemId = item.getItemId();
                if(menuItemId==R.id.menuSearch){
                    Intent intent = new Intent(Activity_cate_books.this, Activity_Search.class);
                    startActivity(intent);

                }
                return true;
            }
        });
    }
}