Java tutorial
/* * Copyright (c) 2011, 2012 Roberto Tyley * * This file is part of 'Agit' - an Android Git client. * * Agit is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Agit is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ . */ package com.madgag.agit; import static com.madgag.agit.R.styleable.CommitView_viewPagerId; import android.content.Context; import android.content.res.TypedArray; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentStatePagerAdapter; import android.support.v4.view.ViewPager; import android.util.AttributeSet; import android.util.Log; import android.view.LayoutInflater; import android.widget.LinearLayout; import com.viewpagerindicator.TabPageIndicator; import java.io.IOException; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.revplot.PlotCommit; import org.eclipse.jgit.revplot.PlotLane; import org.eclipse.jgit.revplot.PlotWalk; import org.eclipse.jgit.revwalk.RevCommit; public class CommitView extends LinearLayout { private static final String TAG = "CommitView"; private final LayoutInflater layoutInflater; private Repository repository; private PlotWalk revWalk; PlotCommit<PlotLane> commit; ViewPager pager; TabPageIndicator tabPageIndicator; public CommitView(Context context, AttributeSet attrs) { super(context, attrs); layoutInflater = LayoutInflater.from(context); layoutInflater.inflate(R.layout.commit_view, this); pager = (ViewPager) findViewById(R.id.pager); TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.CommitView); int viewPagerId = array.getResourceId(CommitView_viewPagerId, R.id.pager); array.recycle(); Log.d(TAG, "viewPagerId=" + viewPagerId); pager.setId(viewPagerId); tabPageIndicator = (TabPageIndicator) findViewById(R.id.indicator); } public void setRepositoryContext(Repository repository, PlotWalk revWalk) { this.repository = repository; this.revWalk = revWalk; } public void setCommit(final PlotCommit<PlotLane> c) throws IOException { this.commit = c; CommitViewerActivity commitViewerActivity = (CommitViewerActivity) getContext(); pager.setAdapter(new CommitPagerAdapter(commitViewerActivity.getSupportFragmentManager(), repository, c)); tabPageIndicator.setViewPager(pager); tabPageIndicator.notifyDataSetChanged(); Log.d(TAG, "setCommit : " + commit); } public static class CommitPagerAdapter extends FragmentStatePagerAdapter { private final Repository repository; private final PlotCommit<PlotLane> commit; public CommitPagerAdapter(FragmentManager fm, Repository repository, PlotCommit<PlotLane> c) { super(fm); this.repository = repository; this.commit = c; } @Override public Fragment getItem(int position) { switch (position) { case 0: return CommitDetailsFragment.newInstance(repository.getDirectory(), commit.name()); case 1: return FileListFragment.newInstance(repository.getDirectory(), commit.name()); default: return CommitDiffFragment.newInstance(repository.getDirectory(), parentCommit(position).name(), commit.name()); } } @Override public CharSequence getPageTitle(int position) { switch (position) { case 0: return "Commit"; case 1: return "Files"; default: return " " + parentCommit(position).name().substring(0, 4); } } private RevCommit parentCommit(int position) { return commit.getParents()[position - 2]; } @Override public int getCount() { return 2 + commit.getParents().length; } } }