com.google.reviewit.RestoreFragment.java Source code

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Here is the source code for com.google.reviewit.RestoreFragment.java

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// Copyright (C) 2016 The Android Open Source Project
//
// 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.google.reviewit;

import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.LayoutRes;
import android.support.v4.app.Fragment;
import android.view.View;

import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.reviewit.app.Change;
import com.google.reviewit.widget.ExpandableCommitMessageView;
import com.urswolfer.gerrit.client.rest.http.HttpStatusException;

/**
 * Fragment to restore a change.
 */
public class RestoreFragment extends BaseFragment implements OnBackPressedAware {
    private static final String ORIGIN = "com.google.reviewit.RestoreFragment.ORIGIN";

    public static RestoreFragment create(Class<? extends Fragment> origin) {
        RestoreFragment fragment = new RestoreFragment();
        Bundle bundle = new Bundle();
        bundle.putSerializable(ORIGIN, origin);
        fragment.setArguments(bundle);
        return fragment;
    }

    @Override
    protected @LayoutRes int getLayout() {
        return R.layout.content_restore;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        Change change = getApp().getCurrentChange();
        setTitle(getString(R.string.restore_change_title, change.info._number));
        init(change);
    }

    private void init(final Change change) {
        ((ExpandableCommitMessageView) v(R.id.commitMessage)).init(change);

        v(R.id.restoreButton).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(final View v) {
                v.setEnabled(false);
                v.setBackgroundColor(widgetUtil.color(R.color.buttonDisabled));
                new AsyncTask<Change, Void, String>() {
                    @Override
                    protected String doInBackground(Change... changes) {
                        Change change = changes[0];
                        try {
                            change.restore(textOf(R.id.restoreMessageInput).trim());
                            return null;
                        } catch (RestApiException e) {
                            if (e instanceof HttpStatusException) {
                                HttpStatusException se = (HttpStatusException) e;
                                return getString(R.string.restore_error, se.getStatusCode(), se.getStatusText());
                            } else {
                                return e.getMessage();
                            }
                        }
                    }

                    protected void onPostExecute(String errorMsg) {
                        if (errorMsg != null) {
                            v.setEnabled(true);
                            v.setBackgroundColor(widgetUtil.color(R.color.button));
                            widgetUtil.showError(errorMsg);
                        } else {
                            widgetUtil.toast(R.string.change_restored);
                            display(SortChangesFragment.class);
                        }
                    }
                }.execute(change);
            }
        });
    }

    @Override
    public boolean onBackPressed() {
        display((Class<? extends Fragment>) getArguments().get(ORIGIN));
        return true;
    }
}