piuk.blockchain.android.ui.dialogs.AddNoteDialog.java Source code

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Here is the source code for piuk.blockchain.android.ui.dialogs.AddNoteDialog.java

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/*
 * Copyright 2011-2012 the original author or authors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package piuk.blockchain.android.ui.dialogs;

import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;

import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.DialogInterface;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.ContextThemeWrapper;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import piuk.Hash;
import piuk.MyRemoteWallet;
import piuk.blockchain.android.R;
import piuk.blockchain.android.WalletApplication;
import piuk.blockchain.android.ui.SuccessCallback;

/**
 * @author Andreas Schildbach
 */
public final class AddNoteDialog extends DialogFragment {
    private static final String FRAGMENT_TAG = AddNoteDialog.class.getName();
    private static List<WeakReference<AddNoteDialog>> fragmentRefs = new ArrayList<WeakReference<AddNoteDialog>>();

    private String tx;

    public static void hide() {
        for (WeakReference<AddNoteDialog> fragmentRef : fragmentRefs) {
            if (fragmentRef != null && fragmentRef.get() != null) {
                try {
                    fragmentRef.get().dismissAllowingStateLoss();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }

    public static DialogFragment showDialog(final FragmentManager fm, String tx) {

        final DialogFragment prev = (DialogFragment) fm.findFragmentById(R.layout.add_note_dialog);

        final FragmentTransaction ft = fm.beginTransaction();

        if (prev != null) {
            prev.dismiss();
            ft.remove(prev);
        }

        ft.addToBackStack(null);

        final AddNoteDialog newFragment = instance();

        newFragment.show(ft, FRAGMENT_TAG);

        newFragment.tx = tx;

        return newFragment;
    }

    private static AddNoteDialog instance() {
        final AddNoteDialog fragment = new AddNoteDialog();

        fragmentRefs.add(new WeakReference<AddNoteDialog>(fragment));

        return fragment;
    }

    @Override
    public Dialog onCreateDialog(final Bundle savedInstanceState) {
        final FragmentActivity activity = getActivity();
        final LayoutInflater inflater = LayoutInflater.from(activity);
        final WalletApplication application = (WalletApplication) activity.getApplication();
        final MyRemoteWallet wallet = application.getRemoteWallet();

        if (wallet == null)
            return null;

        final Builder dialog = new AlertDialog.Builder(new ContextThemeWrapper(activity, R.style.Theme_Dialog));

        String existingNote = wallet.getTxNotes().get(tx);

        final View view = inflater.inflate(R.layout.add_note_dialog, null);

        dialog.setView(view);

        final EditText noteView = (EditText) view.findViewById(R.id.edit_note_field);
        final Button saveButton = (Button) view.findViewById(R.id.save_note_button);

        if (existingNote != null) {
            noteView.setText(existingNote);

            dialog.setTitle(R.string.edit_note);
        } else {
            dialog.setTitle(R.string.add_note);
        }

        saveButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {

                try {
                    String text = noteView.getText().toString().trim();

                    if (text.length() == 0) {
                        Toast.makeText(getActivity().getApplication(), R.string.please_enter_note,
                                Toast.LENGTH_SHORT).show();
                        return;
                    }

                    if (wallet.addTxNote(new Hash(tx), text)) {
                        application.saveWallet(new SuccessCallback() {
                            @Override
                            public void onSuccess() {

                                Toast.makeText(getActivity().getApplication(), R.string.note_saved,
                                        Toast.LENGTH_SHORT).show();

                                dismiss();
                            }

                            @Override
                            public void onFail() {

                                Toast.makeText(getActivity().getApplication(), R.string.toast_error_syncing_wallet,
                                        Toast.LENGTH_SHORT).show();

                                dismiss();
                            }
                        });
                    }
                } catch (Exception e) {
                    e.printStackTrace();

                    Toast.makeText(getActivity().getApplication(), e.getLocalizedMessage(), Toast.LENGTH_SHORT)
                            .show();
                }
            }
        });

        Dialog d = dialog.create();

        WindowManager.LayoutParams lp = new WindowManager.LayoutParams();

        lp.dimAmount = 0;
        lp.width = WindowManager.LayoutParams.FILL_PARENT;
        lp.height = WindowManager.LayoutParams.WRAP_CONTENT;

        d.show();

        d.getWindow().setAttributes(lp);

        d.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));

        return d;
    }
}