net.potterpcs.recipebook.PhotoEditor.java Source code

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Here is the source code for net.potterpcs.recipebook.PhotoEditor.java

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/*
 *    Copyright 2012 Michael Potter
 *
 * 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.
 * 
 */

/*
 * PhotoEditor.java - Add/remove editor for a recipe's photo. 
 */

package net.potterpcs.recipebook;

import net.potterpcs.recipebook.RecipeData.Recipe;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;

public class PhotoEditor extends Fragment {
    // Tag for logging
    //   private static final String TAG = "PhotoEditor";

    // Bundle state
    static final String STATE = "photo";

    // Request code for browsing the photo gallery
    static final int GALLERY_ACTIVITY = 1;

    // Handle to the parent activity
    private RecipeEditor activity;

    // The URI of the photo (in a String, for putting in a Recipe object)
    String photo;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        activity = (RecipeEditor) getActivity();
        long rid = activity.getRecipeId();
        photo = null;

        // Load old state if we have it...
        if (savedInstanceState != null) {
            photo = savedInstanceState.getString(STATE);
        } else {
            // No old state, so create a new editor
            if (rid > 0 && photo == null) {
                RecipeBook app = (RecipeBook) activity.getApplication();
                Recipe r = app.getData().getSingleRecipeObject(rid);
                photo = r.photo;
            } else {

            }
        }

        return inflater.inflate(R.layout.photoedit, container, false);
    }

    @Override
    public void onStart() {
        super.onStart();

        // Set up the UI elements' OnClickListeners. We do this here to make
        // sure that the UI is actually created before we start using it.
        Button attach = (Button) activity.findViewById(R.id.photoeditattach);
        attach.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                onAttachPhoto(v);
            }
        });

        Button remove = (Button) activity.findViewById(R.id.photoeditremove);
        remove.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                onRemovePhoto(v);
            }
        });

        View photoView = activity.findViewById(R.id.photoeditphoto);
        photoView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                onPhotoClick(v);
            }
        });

    }

    @Override
    public void onResume() {
        super.onResume();
        changeImage(photo);
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putString(STATE, photo);
    }

    public void onAttachPhoto(View v) {
        activity.onAttachPhoto(v);
    }

    public void onRemovePhoto(View v) {
        photo = null;
        changeImage(null);
    }

    public void onPhotoClick(View v) {
        FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
        PhotoDialog pd = PhotoDialog.newInstance(photo);
        pd.show(ft, "dialog");
    }

    void changeImage(String uri) {
        // Change the recipe's image. We have to do a lot of work to get
        // a bitmap that won't break Android's memory limits, but that's
        // all hidden away in the loader method. We do still have to set
        // the scaling method here, so that the image fits on the screen.
        ImageView iv = (ImageView) getActivity().findViewById(R.id.photoeditphoto);
        iv.setScaleType(ScaleType.CENTER_INSIDE);
        RecipeBook.setImageViewBitmapDecoded(getActivity(), iv, uri);
        //      Log.v(TAG, uri == null ? "no image" : uri);
        photo = uri;
    }

    public String getPhotoUri() {
        return photo;
    }
}