TopicViewActivity.java

package com.dozuki.ifixit.ui.topic_view;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.view.View;

import com.dozuki.ifixit.App;
import com.dozuki.ifixit.R;
import com.dozuki.ifixit.model.topic.TopicNode;
import com.dozuki.ifixit.ui.BaseSearchMenuDrawerActivity;
import com.dozuki.ifixit.ui.guide.view.GuideViewActivity;

public class TopicViewActivity extends BaseSearchMenuDrawerActivity {
   public static final String TOPIC_KEY = "TOPIC";

   private TopicViewFragment mTopicView;
   private TopicNode mTopicNode;

   public static Intent viewTopic(Context context, String topicName) {
      Intent intent = new Intent(context, TopicViewActivity.class);
      intent.putExtra(GuideViewActivity.TOPIC_NAME_KEY, topicName);
      return intent;
   }

   @Override
   public void onCreate(Bundle savedState) {
      super.onCreate(savedState);

      setContentView(R.layout.topic_view);

      showLoading(R.id.loading_container);

      if (savedState == null) {
         mTopicView = new TopicViewFragment();
         Bundle extras = getIntent().getExtras();

         if (extras != null) {
            if (extras.containsKey(GuideViewActivity.TOPIC_NAME_KEY)) {
               setTitle(extras.getString(GuideViewActivity.TOPIC_NAME_KEY));
            }

            mTopicView.setArguments(extras);
         }

         FragmentTransaction ft = getSupportFragmentManager()
          .beginTransaction();
         ft.replace(R.id.topic_view_fragment, mTopicView);
         ft.commit();
      } else {
         mTopicView = (TopicViewFragment)getSupportFragmentManager()
          .findFragmentById(R.id.topic_view_fragment);
      }

      mTopicNode = (TopicNode)getIntent().getSerializableExtra(TOPIC_KEY);

      if (mTopicNode != null) {
         setTitle(mTopicNode.getDisplayName());

         App.sendScreenView("/category/" + mTopicNode.getName());
      }
   }

   @Override
   public void onAttachFragment(Fragment fragment) {
      if (fragment instanceof TopicViewFragment) {
         TopicViewFragment topicViewFragment = (TopicViewFragment)fragment;

         if (topicViewFragment.getTopicNode() == null && mTopicNode != null) {
            topicViewFragment.setTopicNode(mTopicNode);
         }
      }
   }

   @Override
   public void showLoading(int container) {
      findViewById(container).setVisibility(View.VISIBLE);
      super.showLoading(container);
   }

   @Override
   public void hideLoading() {
      super.hideLoading();
      findViewById(R.id.loading_container).setVisibility(View.GONE);
   }
}