aierjun.com.aierjunlibrary.widget.tablayout.SlidingTabFragmentViewPager.java Source code

Introduction

Here is the source code for aierjun.com.aierjunlibrary.widget.tablayout.SlidingTabFragmentViewPager.java

Source

/*
 * Copyright (C) 2013 Andreas Stuetz <andreas.stuetz@gmail.com>
 *
 * 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 aierjun.com.aierjunlibrary.widget.tablayout;

import android.content.Context;
import android.support.annotation.DrawableRes;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;

public class SlidingTabFragmentViewPager extends LinearLayout {
    private PagerSlidingTabStrip tabs;
    private ViewPager pager;

    public SlidingTabFragmentViewPager(Context context) {
        this(context, null);
    }

    public SlidingTabFragmentViewPager(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public SlidingTabFragmentViewPager(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }

    protected void init() {
        setOrientation(LinearLayout.VERTICAL);
        tabs = new PagerSlidingTabStrip(getContext());
        tabs.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
        pager = new ViewPager(getContext());
        pager.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
        addView(tabs);
        addView(pager);
    }

    public void setPagerViews(String[] tabNames, View[] pageViews) {
        if (tabNames == null || tabNames.length == 0)
            throw new NullPointerException("???");
        if (tabNames.length != pageViews.length)
            throw new IllegalArgumentException(
                    "????????");
        ViewPagerAdapter adapter = new ViewPagerAdapter(tabNames, pageViews);
        pager.setAdapter(adapter);
        tabs.setViewPager(pager);
    }

    public void setPagerViews(@DrawableRes int[] iconResIds, View[] pageViews) {
        if (iconResIds == null || iconResIds.length == 0)
            throw new NullPointerException("???ID?");
        if (iconResIds.length != pageViews.length)
            throw new IllegalArgumentException(
                    "???ID??????");
        IconTabViewPagerAdapter adapter = new IconTabViewPagerAdapter(iconResIds, pageViews);
        pager.setAdapter(adapter);
        tabs.setViewPager(pager);
    }

    public void setPagerFragments(FragmentManager fm, String[] tabNames, Fragment[] fragments) {
        if (tabNames == null || tabNames.length == 0)
            throw new NullPointerException("???");
        if (tabNames.length != fragments.length)
            throw new IllegalArgumentException(
                    "???Fragment????");
        MyFragmentPagerAdapter adapter = new MyFragmentPagerAdapter(fm, tabNames, fragments);
        pager.setAdapter(adapter);
        tabs.setViewPager(pager);
    }

    public void setPagerFragments(FragmentManager fm, @DrawableRes int[] iconResIds, Fragment[] fragments) {
        if (iconResIds == null || iconResIds.length == 0)
            throw new NullPointerException("???ID?");
        if (iconResIds.length != fragments.length)
            throw new IllegalArgumentException(
                    "???ID?Fragment????");
        MyIconTabFragmentPagerAdapter adapter = new MyIconTabFragmentPagerAdapter(fm, iconResIds, fragments);
        pager.setAdapter(adapter);
        tabs.setViewPager(pager);
    }

    public class IconTabViewPagerAdapter extends ViewPagerAdapter implements PagerSlidingTabStrip.IconTabProvider {
        @DrawableRes
        int[] iconResIds;

        public IconTabViewPagerAdapter(@DrawableRes int[] iconResIds, View[] pageViews) {
            super(null, pageViews);
            this.iconResIds = iconResIds;
        }

        @Override
        public int getPageIconResId(int position) {
            return iconResIds[position];
        }
    }

    public class ViewPagerAdapter extends PagerAdapter {
        private String[] tabNames;
        private View[] pageViews;

        public ViewPagerAdapter(String[] tabNames, View[] pageViews) {
            this.tabNames = tabNames;
            this.pageViews = pageViews;
        }

        @Override
        public CharSequence getPageTitle(int position) {
            if (tabNames == null || tabNames.length == 0)
                return "";
            return tabNames[position];
        }

        @Override
        public int getCount() {
            return tabNames.length;
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view == object;
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            container.addView(pageViews[position]);
            return super.instantiateItem(container, position);
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView(pageViews[position]);
        }
    }

    public class MyIconTabFragmentPagerAdapter extends MyFragmentPagerAdapter
            implements PagerSlidingTabStrip.IconTabProvider {
        int[] iconResIds;

        public MyIconTabFragmentPagerAdapter(FragmentManager fm, @DrawableRes int[] iconResIds,
                Fragment[] fragments) {
            super(fm, null, fragments);
            this.iconResIds = iconResIds;
        }

        @Override
        public int getPageIconResId(int position) {
            return iconResIds[position];
        }
    }

    public class MyFragmentPagerAdapter extends FragmentPagerAdapter {
        String[] tabNames;
        Fragment[] fragments;

        public MyFragmentPagerAdapter(FragmentManager fm, String[] tabNames, Fragment[] fragments) {
            super(fm);
            this.tabNames = tabNames;
            this.fragments = fragments;
        }

        public MyFragmentPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public CharSequence getPageTitle(int position) {
            if (tabNames == null || tabNames.length == 0)
                return "";
            return tabNames[position];
        }

        @Override
        public int getCount() {
            return tabNames.length;
        }

        @Override
        public Fragment getItem(int position) {
            return fragments[position];
        }

    }

}