FirstTabFragment.java

package com.door43.translationstudio.newui.translate;

import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.door43.tools.reporting.Logger;
import com.door43.translationstudio.R;
import com.door43.translationstudio.core.Library;
import com.door43.translationstudio.core.SourceLanguage;
import com.door43.translationstudio.core.SourceTranslation;
import com.door43.translationstudio.core.TargetTranslation;
import com.door43.translationstudio.core.Translator;
import com.door43.translationstudio.newui.BaseFragment;
import com.door43.translationstudio.AppContext;

import org.json.JSONException;

import java.security.InvalidParameterException;
import java.util.Locale;

/**
 * Created by joel on 9/14/2015.
 */
public class FirstTabFragment extends BaseFragment implements ChooseSourceTranslationDialog.OnClickListener {

    private Translator mTranslator;
    private Library mLibrary;
    private OnEventListener mListener;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_first_tab, container, false);

        mTranslator = AppContext.getTranslator();
        mLibrary = AppContext.getLibrary();

        Bundle args = getArguments();
        final String targetTranslationId = args.getString(AppContext.EXTRA_TARGET_TRANSLATION_ID, null);
        TargetTranslation targetTranslation = mTranslator.getTargetTranslation(targetTranslationId);
        if(targetTranslation == null) {
            throw new InvalidParameterException("a valid target translation id is required");
        }

        ImageButton newTabButton = (ImageButton) rootView.findViewById(R.id.newTabButton);
        LinearLayout secondaryNewTabButton = (LinearLayout) rootView.findViewById(R.id.secondaryNewTabButton);
        TextView translationTitle = (TextView) rootView.findViewById(R.id.source_translation_title);
        SourceLanguage sourceLanguage = mLibrary.getPreferredSourceLanguage(targetTranslation.getProjectId(), Locale.getDefault().getLanguage());
        translationTitle.setText(sourceLanguage.projectTitle + " - " + targetTranslation.getTargetLanguageName());

        View.OnClickListener clickListener = new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                FragmentTransaction ft = getFragmentManager().beginTransaction();
                Fragment prev = getFragmentManager().findFragmentByTag("tabsDialog");
                if (prev != null) {
                    ft.remove(prev);
                }
                ft.addToBackStack(null);

                ChooseSourceTranslationDialog dialog = new ChooseSourceTranslationDialog();
                Bundle args = new Bundle();
                args.putString(ChooseSourceTranslationDialog.ARG_TARGET_TRANSLATION_ID, targetTranslationId);
                dialog.setOnClickListener(FirstTabFragment.this);
                dialog.setArguments(args);
                dialog.show(ft, "tabsDialog");
            }
        };

        newTabButton.setOnClickListener(clickListener);
        secondaryNewTabButton.setOnClickListener(clickListener);

        // attach to tabs dialog
        if(savedInstanceState != null) {
            ChooseSourceTranslationDialog dialog = (ChooseSourceTranslationDialog) getFragmentManager().findFragmentByTag("tabsDialog");
            if(dialog != null) {
                dialog.setOnClickListener(this);
            }
        }

        return rootView;
    }

    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            this.mListener = (OnEventListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement FirstTabFragment.OnEventListener");
        }
    }

    @Override
    public void onCancelTabsDialog(String targetTranslationId) {

    }

    @Override
    public void onConfirmTabsDialog(String targetTranslationId, String[] sourceTranslationIds) {
        String[] oldSourceTranslationIds = AppContext.getOpenSourceTranslationIds(targetTranslationId);
        for(String id:oldSourceTranslationIds) {
            AppContext.removeOpenSourceTranslation(targetTranslationId, id);
        }

        if(sourceTranslationIds.length > 0) {
            // save open source language tabs
            for(String id:sourceTranslationIds) {
                SourceTranslation sourceTranslation = mLibrary.getSourceTranslation(id);
                if(sourceTranslation != null) {
                    AppContext.addOpenSourceTranslation(targetTranslationId, sourceTranslation.getId());
                    TargetTranslation targetTranslation = mTranslator.getTargetTranslation(targetTranslationId);
                    if (targetTranslation != null) {
                        try {
                            targetTranslation.addSourceTranslation(sourceTranslation);
                        } catch (JSONException e) {
                            Logger.e(this.getClass().getName(), "Failed to record source translation (" + sourceTranslation.getId() + ") usage in the target translation " + targetTranslation.getId(), e);
                        }
                    }
                }
            }

            // redirect back to previous mode
            mListener.onHasSourceTranslations();
        }
    }

    public interface OnEventListener {
        void onHasSourceTranslations();
    }
}