/*
* InvertedScrollingScreen.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.ui.wireframelayoutdemo;
import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.component.BasicEditField;
import net.rim.device.api.ui.component.TextField;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.container.VerticalFieldManager;
/**
* A screen containing a fixed field at the bottom, and a scrollable manager
* containg a number of fields at the top.
*/
public class InvertedScrollingScreen extends MainScreen {
private static final int[] colors = new int[] { Color.LIGHTBLUE,
Color.LIGHTSKYBLUE };
/**
* Creates a new InvertedScrollingScreen object
*/
public InvertedScrollingScreen() {
super(NO_VERTICAL_SCROLL);
setTitle("Inverted Scrolling Screen");
// Create a scrollable VerticalFieldManager
final VerticalFieldManager topScrollingManager =
new VerticalFieldManager(VERTICAL_SCROLL | VERTICAL_SCROLLBAR);
// Add fields to the scrollable region, alternating background color
for (int i = 0; i < 15; ++i) {
final int color = colors[i % 2];
topScrollingManager.add(new CustomField(color, i + 1
+ " - This field is in the scrolling region"));
}
// Create edit field for input
final TextField bottomInputField =
new BasicEditField("Enter text: ", "");
// Add the VerticalFieldManager and input field to a
// JustifiedVerticalFieldManager
final JustifiedVerticalFieldManager jvfm =
new JustifiedVerticalFieldManager(topScrollingManager,
bottomInputField, false);
// Add the JustifiedVerticalFieldManager to the screen
add(jvfm);
}
/**
* @see MainScreen#onSavePrompt()
*/
protected boolean onSavePrompt() {
// Suppress the save dialog
return true;
}
}