/*
* CustomField.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.system.Display;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.decor.Background;
import net.rim.device.api.ui.decor.BackgroundFactory;
/**
* A Field class which has a predefined height and definable background color
* and text.
*/
public class CustomField extends Field {
private static final int FIELD_HEIGHT = 40;
private final String _text;
/**
* Creates a new CustomField object with provided color and text
*
* @param color
* Background color for this field
* @param text
* Text to display in this field
*/
CustomField(final int color, final String text) {
super(Field.FOCUSABLE);
_text = text;
// Set the background color for this field
final Background background =
BackgroundFactory.createSolidBackground(color);
setBackground(background);
}
/**
* @see Field#layout(int, int)
*/
protected void layout(int width, int height) {
// Calculate width
width = Math.min(width, getPreferredWidth());
// Calculate height
height = Math.min(height, getPreferredHeight());
setExtent(width, height);
}
/**
* @see Field#getPreferredHeight()
*/
public int getPreferredHeight() {
return FIELD_HEIGHT;
}
/**
* @see Field#getPreferredWidth()
*/
public int getPreferredWidth() {
return Display.getWidth();
}
/**
* @see Field#paint(Graphics)
*/
protected void paint(final Graphics graphics) {
final int rectHeight = getPreferredHeight();
final int rectWidth = getPreferredWidth();
graphics.drawRect(0, 0, rectWidth, rectHeight);
graphics.drawText(_text, 0, 0);
}
}