com.repay.android.adddebt.EditDebtActivity.java Source code

Introduction

Here is the source code for com.repay.android.adddebt.EditDebtActivity.java

Source

package com.repay.android.adddebt;

import java.math.BigDecimal;
import java.util.ArrayList;

import com.repay.android.Debt;
import com.repay.android.Friend;
import com.repay.android.R;
import com.repay.android.database.DatabaseHandler;

import android.app.ActionBar;
import android.content.pm.ActivityInfo;
import android.database.SQLException;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;
import android.view.View;

/**
 * Property of Matt Allen
 * mattallen092@gmail.com
 * http://mattallensoftware.co.uk/
 *
 * This software is distributed under the Apache v2.0 license and use
 * of the Repay name may not be used without explicit permission from the project owner.
 *
 */

public class EditDebtActivity extends DebtActivity {

    private static final String TAG = EditDebtActivity.class.getName();

    public static final String DEBT_ID = "debt-id";
    public static final String REPAY_ID = "repay_id";
    public static final String IOWETHEM_FIELD = "iOweThem";

    private FragmentTransaction mFragMan;
    private Fragment mEnterAmount, mSummary;
    private int mFrameLayoutRes;
    private ActionBar mActionBar;
    private Debt mDebt;
    private DatabaseHandler mDB;
    private boolean mNegate = false;
    private String mDescription;
    private Friend mFriend;
    private BigDecimal mNewAmount;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_adddebt);
        mDB = new DatabaseHandler(this);
        // If the available screen size is that of an average tablet (as defined
        // in the Android documentation) then allow the screen to rotate
        if (getResources().getBoolean(R.bool.lock_orientation)) {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        }
        mActionBar = getActionBar();
        mActionBar.setDisplayHomeAsUpEnabled(true);
        mActionBar.setDisplayShowTitleEnabled(true);
        mActionBar.setSubtitle(R.string.fragment_enteramount_subtitle);
        mActionBar.setTitle(R.string.fragment_enteramount_title);

        // Instantiate Fragments
        mEnterAmount = new EnterAmountFragment();
        mSummary = new DebtSummaryFragment();

        if (getIntent().getExtras() != null) {
            Bundle bundle = getIntent().getExtras();
            int debtID = bundle.getInt(DEBT_ID);
            try {
                mDebt = mDB.getDebtByIDs(debtID);
                mFriend = mDB.getFriendByRepayID(mDebt.getRepayID());
            } catch (Exception e) {
                e.printStackTrace();
                Log.e(TAG, "Error occured in retreiving debt from sqlite db. Finishing activity");
                finish();
            }
        }

        mFragMan = getSupportFragmentManager().beginTransaction();
        mFrameLayoutRes = R.id.activity_adddebt_framelayout;
        mFragMan.add(mFrameLayoutRes, mEnterAmount);
        mFragMan.commit();
    }

    public BigDecimal getAmount() {
        if (mNewAmount == null) {
            return mDebt.getAmount();
        } else {
            return mNewAmount;
        }
    }

    public void onNextBtn(View v) {
        switch (v.getId()) {
        case R.id.fragment_enterdebtamount_donebtn:
            mNewAmount = ((EnterAmountFragment) mEnterAmount).getAmount(); // Update Amount
            mFragMan = getSupportFragmentManager().beginTransaction(); // Change to summary fragment
            mFragMan.replace(mFrameLayoutRes, mSummary);
            mFragMan.addToBackStack("summary");
            mFragMan.commit();
            mActionBar.setSubtitle(null);
            mActionBar.setTitle(R.string.fragment_debtsummary_title);
            break;

        case R.id.fragment_debtsummary_donebtn:
            mDescription = ((DebtSummaryFragment) mSummary).getDescription();
            mNegate = ((DebtSummaryFragment) mSummary).isNegative();
            submitToDB();
            break;
        }
    }

    protected void submitToDB() {
        if (mNegate) { // Make negative if owed
            mNewAmount = mNewAmount.negate();
        }
        mDebt.setDescription(mDescription);
        try {
            mFriend.setDebt(mFriend.getDebt().subtract(mDebt.getAmount()));
            mFriend.setDebt(mFriend.getDebt().add(mNewAmount));
            mDebt.setAmount(mNewAmount);
            mDB.updateDebt(mDebt); // Aaand update
            mDB.updateFriendRecord(mFriend); // Update cached total
        } catch (NullPointerException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            finish();
        }
    }

    @Override
    public ArrayList<Friend> getSelectedFriends() {
        ArrayList<Friend> friends = new ArrayList<Friend>();
        friends.add(mFriend);
        return friends;
    }

    @Override
    public void setAmount(BigDecimal amount) {
        mDebt.setAmount(amount);
    }

    @Override
    public void setSelectedFriends(ArrayList<Friend> friends) {
        Log.e(TAG, "Trying to set selected friend in edit mode. Not allowed");
    }
}