/*
* ViewMemoScreen.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.memoapidemo;
import net.rim.blackberry.api.pdap.BlackBerryMemo;
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.Field;
import net.rim.device.api.ui.MenuItem;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.util.StringProvider;
/**
* Screen for viewing a memo.
*/
public final class ViewMemoScreen extends MainScreen {
private final MemoController _controller;
/**
* Constructor. Displays the provided memo's information on the screen.
*
* @param memo
* The memo to view.
*/
public ViewMemoScreen(final BlackBerryMemo memo) {
super();
_controller = new MemoController(memo);
// Set the screen's title.
final Field title =
(Field) _controller.render(MemoController.FOR_TITLE);
setTitle(title);
// Add the various memo fields to the screen.
final Field[] fields =
(Field[]) _controller.render(MemoController.FOR_VIEW);
for (int i = 0; i < fields.length; ++i) {
add(fields[i]);
}
// Menu item to edit this screen's memo.
final MenuItem editItem =
new MenuItem(new StringProvider("Edit Memo"), 100, 100);
editItem.setCommand(new Command(new CommandHandler() {
/**
* Pushes an edit screen to the display stack, passing it the memo
* to edit. Upon returning from the edit screen, the view screen is
* popped as well. The user is returned to the main screen.
*
* @see net.rim.device.api.command.CommandHandler#execute(ReadOnlyCommandMetadata,
* Object)
*/
public void execute(final ReadOnlyCommandMetadata metadata,
final Object context) {
final UiApplication app = UiApplication.getUiApplication();
app.pushModalScreen(new EditMemoScreen(_controller.getMemo(),
false)); // Blocks until edit screen is popped.
app.popScreen(ViewMemoScreen.this); // Now that edit screen is
// popped, pop this view
// screen as well.
}
}));
// Add the menu item to the screen.
addMenuItem(editItem);
}
}