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The source code is released under:
GNU General Public License
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/* * Copyright (C) 2014 Joakim Andersson/*from www.j a va 2 s . c o m*/ * Copyright (C) 2014 blunden * * This file is part of PactrackDroid, an Android application to keep * track of parcels sent with the Swedish mail service (Posten). * * PactrackDroid 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 2 of the License, or * (at your option) any later version. * * PactrackDroid 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 nu.firetech.android.pactrack.frontend; import nu.firetech.android.pactrack.R; import nu.firetech.android.pactrack.backend.ParcelDbAdapter; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.content.Intent; import android.database.Cursor; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.LoaderManager; import android.support.v4.content.Loader; import android.text.InputType; import android.text.Selection; import android.text.method.NumberKeyListener; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ImageButton; import com.google.zxing.integration.android.IntentIntegrator; import com.google.zxing.integration.android.IntentResult; public class ParcelIdDialog extends DialogFragment implements LoaderManager.LoaderCallbacks<Cursor> { private static final int INITIAL_LOADER_ID = 1; private static final String KEY_SELECTION_START = "selection_start"; private static final String KEY_SELECTION_END = "selection_end"; private static final String KEY_FOCUSED_FIELD = "focused_field"; private EditText mParcelText; private EditText mNameText; private Long mRowId; private ParcelDbAdapter mDbAdapter; private String mParcelInitialText; private String mNameInitialText; private View mFocusedView; private int mInitialSelectionStart; private int mInitialSelectionEnd; private ParentActivity mParent; private AlertDialog mErrorDialog; public static void create(final FragmentManager manager, Long rowId) { ParcelIdDialog d = new ParcelIdDialog(); d.mRowId = rowId; d.show(manager, ParcelIdDialog.class.getName()); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { Dialog dialog = super.onCreateDialog(savedInstanceState); dialog.setContentView(R.layout.parcel_id_dialog); dialog.setTitle(R.string.menu_add_parcel); mErrorDialog = new AlertDialog.Builder(getActivity()) .setTitle(R.string.id_error_title) .setIconAttribute(android.R.attr.alertDialogIcon) .setMessage(R.string.id_error_message) .setNeutralButton(R.string.ok, new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }).create(); mDbAdapter = new ParcelDbAdapter(getActivity()).open(); mParcelText = (EditText) dialog.findViewById(R.id.parcelid); mParcelText.setKeyListener(new NumberKeyListener() { private char[] acceptedChars = null; @Override protected char[] getAcceptedChars() { if (acceptedChars == null) { acceptedChars = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' }; } return acceptedChars; } @Override public int getInputType() { return InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS; } }); mNameText = (EditText) dialog.findViewById(R.id.parcelname); ImageButton scanButton = (ImageButton) dialog.findViewById(R.id.barcode); scanButton.setOnClickListener(new ScanButtonListener()); Button cancelButton = (Button) dialog.findViewById(R.id.cancel); cancelButton.setOnClickListener(new ClosingButtonListener()); Button okButton = (Button) dialog.findViewById(R.id.ok); okButton.setOnClickListener(new OkListener()); if (savedInstanceState != null && savedInstanceState.containsKey(ParcelDbAdapter.KEY_ROWID)) { mRowId = savedInstanceState.getLong(ParcelDbAdapter.KEY_ROWID); } boolean loadParcel = false; mParcelInitialText = ""; if (savedInstanceState != null && savedInstanceState.containsKey(ParcelDbAdapter.KEY_PARCEL)) { mParcelInitialText = savedInstanceState.getString(ParcelDbAdapter.KEY_PARCEL); } else if (mRowId != null) { loadParcel = true; mParcelInitialText = getString(R.string.loading); mParcelText.setEnabled(false); } mParcelText.setText(mParcelInitialText); mNameInitialText = ""; if (savedInstanceState != null && savedInstanceState.containsKey(ParcelDbAdapter.KEY_NAME)) { mNameInitialText = savedInstanceState.getString(ParcelDbAdapter.KEY_NAME); } else if (mRowId != null) { loadParcel = true; mNameInitialText = getString(R.string.loading); mNameText.setEnabled(false); } mNameText.setText(mNameInitialText); mFocusedView = null; if (savedInstanceState != null && savedInstanceState.containsKey(KEY_FOCUSED_FIELD)) { mFocusedView = dialog.findViewById(savedInstanceState.getInt(KEY_FOCUSED_FIELD)); mInitialSelectionStart = mInitialSelectionEnd = 0; if (mFocusedView instanceof EditText && savedInstanceState.containsKey(KEY_SELECTION_START) && savedInstanceState.containsKey(KEY_SELECTION_END)) { mInitialSelectionStart = savedInstanceState.getInt(KEY_SELECTION_START); mInitialSelectionEnd = savedInstanceState.getInt(KEY_SELECTION_END); Selection.setSelection(((EditText)mFocusedView).getText(), mInitialSelectionStart, mInitialSelectionEnd); } mFocusedView.requestFocus(); } if (loadParcel) { getLoaderManager().initLoader(INITIAL_LOADER_ID, null, this); } return dialog; } @Override public void onAttach(Activity activity) { super.onAttach(activity); try { mParent = (ParentActivity) activity; } catch (ClassCastException e) { throw new ClassCastException(activity.toString() + " must implement ParentActivity"); } } @Override public void onDestroy() { super.onDestroy(); mDbAdapter.close(); } @Override public void onSaveInstanceState(Bundle outState) { if (mRowId != null) { outState.putLong(ParcelDbAdapter.KEY_ROWID, mRowId); } outState.putString(ParcelDbAdapter.KEY_PARCEL, mParcelText.getText().toString()); outState.putString(ParcelDbAdapter.KEY_NAME, mNameText.getText().toString()); View focusedView = getDialog().getCurrentFocus(); if (focusedView != null && focusedView.getId() != View.NO_ID) { outState.putInt(KEY_FOCUSED_FIELD, focusedView.getId()); if (focusedView instanceof EditText) { outState.putInt(KEY_SELECTION_START, Selection.getSelectionStart(((EditText) focusedView).getText())); outState.putInt(KEY_SELECTION_END, Selection.getSelectionEnd(((EditText) focusedView).getText())); } } } private class ScanButtonListener implements android.view.View.OnClickListener { @Override public void onClick(View v) { IntentIntegrator.initiateScan(ParcelIdDialog.this, R.string.install_barcode_title, R.string.install_barcode_message, R.string.yes, R.string.no); } } private class ClosingButtonListener implements android.view.View.OnClickListener { @Override public void onClick(View v) { ParcelIdDialog.this.dismiss(); } } private class OkListener extends ClosingButtonListener { @Override public void onClick(View v) { String parcel = mParcelText.getText().toString(); if (parcel.length() < 9) { mErrorDialog.show(); return; } String name = mNameText.getText().toString(); if (mRowId == null) { mRowId = mDbAdapter.addParcel(parcel, name); mParent.showAndRefreshParcel(mRowId); } else if (mDbAdapter.changeParcelIdName(mRowId, parcel, name)) { mParent.showAndRefreshParcel(mRowId); } super.onClick(v); } } @Override public void onActivityResult(int requestCode, int resultCode, Intent intent) { super.onActivityResult(requestCode, resultCode, intent); IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent); if (scanResult != null) { mParcelText.setText(scanResult.getContents()); } } @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { switch (id) { case INITIAL_LOADER_ID: return mDbAdapter.getParcelLoader(mRowId); } return null; } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) { switch (loader.getId()) { case INITIAL_LOADER_ID: if (!mParcelText.isEnabled()) { mParcelText.setText(cursor.getString(cursor .getColumnIndexOrThrow(ParcelDbAdapter.KEY_PARCEL))); mParcelText.setEnabled(true); } if (!mNameText.isEnabled()) { mNameText.setText(cursor.getString(cursor .getColumnIndexOrThrow(ParcelDbAdapter.KEY_NAME))); mNameText.setEnabled(true); } if (mFocusedView != null) { if (mFocusedView instanceof EditText) { Selection.setSelection(((EditText) mFocusedView).getText(), mInitialSelectionStart, mInitialSelectionEnd); } mFocusedView.requestFocus(); } break; } } @Override public void onLoaderReset(Loader<Cursor> loader) {} //////////////////////////////////////////////////////////////////////////////// public interface ParentActivity { public void showAndRefreshParcel(long rowId); } }