com.tortel.deploytrack.DeploymentFragmentAdapter.java Source code

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Here is the source code for com.tortel.deploytrack.DeploymentFragmentAdapter.java

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/*
 * Copyright (C) 2013-2016 Scott Warner
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.tortel.deploytrack;

import java.util.List;

import com.crashlytics.android.Crashlytics;
import com.tortel.deploytrack.data.*;
import com.tortel.deploytrack.fragments.*;

import android.content.Context;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.util.SparseArray;
import android.view.ViewGroup;

class DeploymentFragmentAdapter extends FragmentStatePagerAdapter {

    private List<Deployment> mDeploymentList;
    private Context mContext;
    private SparseArray<DeploymentFragment> mFragmentList;

    DeploymentFragmentAdapter(Context context, FragmentManager fm) {
        super(fm);
        this.mContext = context.getApplicationContext();
        mDeploymentList = DatabaseManager.getInstance(mContext).getAllDeployments();
        mFragmentList = new SparseArray<>();
    }

    /**
     * Reload all the deployments from the database
     */
    public void reloadData() {
        mDeploymentList = DatabaseManager.getInstance(mContext).getAllDeployments();
        mFragmentList.clear();
        this.notifyDataSetChanged();
    }

    /**
     * Get the ID of the deployment at the provided position.
     * Returns -1 if it is the info fragment
     */
    public String getId(int position) {
        if (position >= mDeploymentList.size()) {
            return null;
        }

        return mDeploymentList.get(position).getUuid();
    }

    /**
     * Remove the fragment with the ID provided
     * @param uuid
     */
    public void deploymentDeleted(String uuid) {
        if (uuid == null) {
            return;
        }
        if (mFragmentList != null) {
            for (int i = 0; i < mFragmentList.size(); i++) {
                if (uuid.equals(mFragmentList.valueAt(i).getDeploymentId())) {
                    mFragmentList.removeAt(i);
                    return;
                }
            }
        }
    }

    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        try {
            super.destroyItem(container, position, object);
        } catch (IndexOutOfBoundsException e) {
            // Hopefully this wont screw up the state too much
            Crashlytics.logException(new Exception("OutOfBoundsException during destroyItem", e));
        }
    }

    @Override
    public Fragment getItem(int position) {
        if (position >= mDeploymentList.size()) {
            return new NoDataFragment();
        }
        if (mFragmentList.get(position) == null || mFragmentList.get(position).getDeployment() == null) {
            Deployment deployment = mDeploymentList.get(position);
            mFragmentList.put(position, DeploymentFragment.newInstance(deployment));
        }
        return mFragmentList.get(position);
    }

    @Override
    public int getCount() {
        return Math.max(mDeploymentList.size(), 1);
    }

    @Override
    public CharSequence getPageTitle(int position) {
        if (mDeploymentList.size() == 0) {
            return mContext.getText(R.string.info);
        }
        return mDeploymentList.get(position).getName();
    }

    @Override
    public int getItemPosition(Object object) {
        Log.v("Checking position of " + object);
        int position = POSITION_NONE;
        if (mDeploymentList != null && object instanceof DeploymentFragment) {
            DeploymentFragment fragment = (DeploymentFragment) object;
            Deployment deployment = fragment.getDeployment();
            position = mDeploymentList.indexOf(deployment);
            if (position < 0) {
                position = POSITION_NONE;
            }
        }
        Log.v("Returning position " + position);
        // Default to none
        return position;
    }

}