/**
* ContactScreen.java
*
* Copyright � 1998-2011 Research In Motion Limited
*
* 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.
*
* Note: For the sake of simplicity, this sample application may not leverage
* resource bundles and resource strings. However, it is STRONGLY recommended
* that application developers make use of the localization features available
* within the BlackBerry development platform to ensure a seamless application
* experience across a variety of languages and geographies. For more information
* on localizing your application, please refer to the BlackBerry Java Development
* Environment Development Guide associated with this release.
*/
package com.rim.samples.device.syncdemo;
import net.rim.device.api.command.Command;
import net.rim.device.api.command.CommandHandler;
import net.rim.device.api.command.ReadOnlyCommandMetadata;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.MenuItem;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.BasicEditField;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.component.EditField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.TextField;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.util.StringProvider;
/**
* This screen allows the user to view and edit a contact's information.
*/
public final class ContactScreen extends MainScreen {
// Members
// ------------------------------------------------------------------
private final EditField _first, _last, _email;
private final SaveMenuItem _saveMenuItem;
private ContactData _contact;
// Inner classes
// ------------------------------------------------------------
/**
* Saves the current contact's information.
*/
private class SaveMenuItem extends MenuItem {
/**
* Default constructor
*/
private SaveMenuItem() {
super(new StringProvider("Save"), 0x230010, 5);
this.setCommand(new Command(new CommandHandler() {
/**
* Saves and closes this screen.
*
* @see net.rim.device.api.command.CommandHandler#execute(ReadOnlyCommandMetadata,
* Object)
*/
public void execute(final ReadOnlyCommandMetadata metadata,
final Object context) {
// If successful, return to contact list.
if (onSave()) {
final UiApplication uiapp =
UiApplication.getUiApplication();
uiapp.popScreen(uiapp.getActiveScreen());
}
}
}));
}
}
/**
* Default constructor
*/
public ContactScreen() {
_saveMenuItem = new SaveMenuItem();
setTitle(new LabelField("Contact", DrawStyle.ELLIPSIS
| Field.USE_ALL_WIDTH));
_first = new EditField("First: ", "");
add(_first);
_last = new EditField("Last: ", "");
add(_last);
_email =
new EditField("Email: ", "", TextField.DEFAULT_MAXCHARS,
BasicEditField.FILTER_EMAIL);
add(_email);
addMenuItem(_saveMenuItem);
}
/**
* Constructor to display an existing contact and allow the user to edit the
* information.
*
* @param contact
* The contact data to view and edit
* @param editable
* True if the contact is editable, otherwise false
*/
public ContactScreen(final ContactData contact, final boolean editable) {
this();
_contact = contact;
_first.setText(_contact.getFirst());
_first.setEditable(editable);
_last.setText(_contact.getLast());
_last.setEditable(editable);
_email.setText(_contact.getEmail());
_email.setEditable(editable);
}
/**
* Gets the contact information displayed by this screen.
*
* @return The contact information displayed by this screen
*/
public ContactData getContact() {
return _contact;
}
/**
* @see net.rim.device.api.ui.Screen#onSave()
*/
protected boolean onSave() {
final String firstName = _first.getText().trim();
final String lastName = _last.getText().trim();
final String email = _email.getText().trim();
// Check that a name and an email has been entered.
if (firstName.length() == 0 && lastName.length() == 0
|| email.length() == 0) {
Dialog.inform("First or Last Name and Email required");
return false;
} else {
_contact = new ContactData();
_contact.setFirst(firstName);
_contact.setLast(lastName);
_contact.setEmail(email);
return true;
}
}
}