/*
 * Copyright (C) 2013 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.android.documentsui;

import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;

/**
 * Display document title editor and save button.
 */
public class SaveFragment extends Fragment {
    public static final String TAG = "SaveFragment";

    private EditText mDisplayName;
    private Button mSave;

    private static final String EXTRA_MIME_TYPE = "mime_type";
    private static final String EXTRA_DISPLAY_NAME = "display_name";

    public static void show(FragmentManager fm, String mimeType, String displayName) {
        final Bundle args = new Bundle();
        args.putString(EXTRA_MIME_TYPE, mimeType);
        args.putString(EXTRA_DISPLAY_NAME, displayName);

        final SaveFragment fragment = new SaveFragment();
        fragment.setArguments(args);

        final FragmentTransaction ft = fm.beginTransaction();
        ft.replace(R.id.save, fragment, TAG);
        ft.commitAllowingStateLoss();
    }

    public static SaveFragment get(FragmentManager fm) {
        return (SaveFragment) fm.findFragmentByTag(TAG);
    }

    @Override
    public View onCreateView(
            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final Context context = inflater.getContext();

        final View view = inflater.inflate(R.layout.fragment_save, container, false);

        final ImageView icon = (ImageView) view.findViewById(android.R.id.icon);
        icon.setImageDrawable(DocumentsActivity.resolveDocumentIcon(
                context, getArguments().getString(EXTRA_MIME_TYPE)));

        mDisplayName = (EditText) view.findViewById(android.R.id.title);
        mDisplayName.setText(getArguments().getString(EXTRA_DISPLAY_NAME));

        mSave = (Button) view.findViewById(android.R.id.button1);
        mSave.setOnClickListener(mSaveListener);
        mSave.setEnabled(false);

        return view;
    }

    private View.OnClickListener mSaveListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            final String mimeType = getArguments().getString(EXTRA_MIME_TYPE);
            final String displayName = getArguments().getString(EXTRA_DISPLAY_NAME);
            ((DocumentsActivity) getActivity()).onSaveRequested(mimeType, displayName);
        }
    };

    public void setDisplayName(String displayName) {
        getArguments().putString(EXTRA_DISPLAY_NAME, displayName);
        mDisplayName.setText(displayName);
    }

    public void setSaveEnabled(boolean enabled) {
        mSave.setEnabled(enabled);
    }
}