QuestionContentFragment.java

package studio.uphie.one.ui.question;

import android.os.Bundle;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.loopj.android.http.RequestParams;

import io.paperdb.Paper;
import studio.uphie.one.R;
import studio.uphie.one.abs.AbsBaseFragment;
import studio.uphie.one.common.Api;
import studio.uphie.one.common.Constants;
import studio.uphie.one.common.HttpData;
import studio.uphie.one.common.HttpError;
import studio.uphie.one.ui.article.Article;
import studio.uphie.one.ui.article.ArticleFragment;
import studio.uphie.one.ui.home.HomeFragment;
import studio.uphie.one.utils.JsonUtil;
import studio.uphie.one.utils.TimeUtil;
import studio.uphie.one.widgets.LikeView;

import org.json.JSONException;
import org.json.JSONObject;

import java.sql.Time;

import butterknife.Bind;
import butterknife.ButterKnife;

/**
 * Created by Uphie on 2015/9/6.
 * Email: uphie7@gmail.com
 */
public class QuestionContentFragment extends AbsBaseFragment implements LikeView.OnLikeChangedListener {

    @Bind(R.id.text_question_date)
    TextView textQuestionDate;
    @Bind(R.id.text_question_title)
    TextView textQuestionTitle;
    @Bind(R.id.text_question_content)
    TextView textQuestionContent;
    @Bind(R.id.text_answer_title)
    TextView textAnswerTitle;
    @Bind(R.id.text_answer_content)
    TextView textAnswerContent;
    @Bind(R.id.liv_question)
    LikeView lvQuestion;
    @Bind(R.id.question_content)
    LinearLayout questionContent;
    @Bind(R.id.text_answer_editor)
    TextView textAnswerEditor;

    /**
     * 当前的问题
     */
    private Question curQuestion;

    @Override
    public int getLayoutId() {
        return R.layout.layout_question;
    }

    @Override
    public void init() {

        lvQuestion.addOnLikeChangeListener(this);

        Bundle bundle = getArguments();
        String date = bundle.getString(Constants.KEY_DATE);
        index = bundle.getInt(Constants.KEY_INDEX);

        curDate = TimeUtil.getPreviousDate(date, index);

        RequestParams params = new RequestParams();
        params.put("strDate", date);
        params.put("strRow", index);
        getHttpData(Api.URL_QUESTION, params, new HttpData("result", "questionAdEntity"));
    }

    @Override
    public void onDataOk(String url, String data) {
        switch (url) {
            case Api.URL_QUESTION:
                Question question = JsonUtil.getEntity(data, Question.class);
                refreshUI(question);
                if (question != null) {
                    Paper.book().write(Constants.TAG_QUESTION + curDate, question);
                }
                QuestionFragment.getInstance().pager.onRefreshComplete();
                break;
            case Api.URL_LIKE_OR_CANCLELIKE:
                try {
                    JSONObject jsonObject = new JSONObject(data);
                    int likeCount = jsonObject.optInt("strPraisednumber");
                    //若实际的喜欢数量与LikeView自增的结果值不同，更新显示最新的数量
                    if (likeCount != lvQuestion.getLikeCount()) {
                        lvQuestion.setText(likeCount + "");
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                break;
        }
    }

    @Override
    public void onDataError(String url, HttpError error) {
        switch (url) {
            case Api.URL_QUESTION:
                QuestionFragment.getInstance().pager.onRefreshComplete();
                //没有数据，删除并销毁自己
                finish();
                break;
        }
    }

    @Override
    public void onRestoreData(String url) {
        if (url.equals(Api.URL_QUESTION)) {
            Question question = Paper.book().read(Constants.TAG_QUESTION + curDate, null);
            refreshUI(question);
            QuestionFragment.getInstance().pager.onRefreshComplete();
        }
    }

    @Override
    public void onLikeChanged() {
        RequestParams requestParams = new RequestParams();
        requestParams.put("strPraiseItemId", curQuestion.strQuestionId);
        //不清楚strDeviceId为什么标识符，格式为“ffffffff-9248-aa0c-ffff-ffffaea9cc69”
        requestParams.put("strDeviceId", "");
        requestParams.put("strAppName", "ONE");
        requestParams.put("strPraiseItem", "QUESTION");
        getHttpData(Api.URL_LIKE_OR_CANCLELIKE, requestParams, new HttpData("result", "entPraise"));
    }

    public Question getContentData() {
        return curQuestion;
    }

    @Override
    public void refreshUI(Object data) {
        Question question = (Question) data;
        if (question == null) {
            if (!isFirstPage()) {
                //如果不是第一个，销毁之
                finish();
            }
            return;
        }
        if (isExpired()) {
            finish();
        }
        curQuestion = question;

        questionContent.setVisibility(View.VISIBLE);

        textQuestionDate.setText(TimeUtil.getEngDate(question.strQuestionMarketTime));
        textQuestionTitle.setText(question.strQuestionTitle);
        textQuestionContent.setText(Html.fromHtml(question.strQuestionContent));
        textAnswerTitle.setText(question.strAnswerTitle);
        textAnswerContent.setText(Html.fromHtml(question.strAnswerContent));
        textAnswerEditor.setText(question.sEditor);
        lvQuestion.setText(question.strPraiseNumber + "");
    }

    @Override
    public void finish() {
        QuestionFragment.adapter.removeFromAdapter(this);
    }

    public static QuestionContentFragment newInstance(int index) {
        Bundle bundle = new Bundle();
        bundle.putString(Constants.KEY_DATE, TimeUtil.getDate());
        bundle.putInt(Constants.KEY_INDEX, index);
        QuestionContentFragment fragment = new QuestionContentFragment();
        fragment.setArguments(bundle);

        return fragment;
    }
}