javax.microedition.lcdui.Spacer Maven / Gradle / Ivy
/*
* MicroEmulator
* Copyright (C) 2001-2006 Bartek Teodorczyk
*
* It is licensed under the following two licenses as alternatives:
* 1. GNU Lesser General Public License (the "LGPL") version 2.1 or any newer version
* 2. Apache License (the "AL") Version 2.0
*
* You may not use this file except in compliance with at least one of
* the above two licenses.
*
* You may obtain a copy of the LGPL at
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
*
* You may obtain a copy of the AL 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 LGPL or the AL for the specific language governing permissions and
* limitations.
*/
package javax.microedition.lcdui;
import org.microemu.CustomItemAccess;
import org.microemu.device.DeviceFactory;
public class Spacer extends Item {
private int minWidth;
private int minHeight;
private SpacerCustomItem customItem;
public Spacer(int minWidth, int minHeight) {
super(null);
this.customItem = new SpacerCustomItem();
super.setUI(DeviceFactory.getDevice().getUIFactory().createCustomItemUI(new CustomItemAccess() {
public CustomItem getCustomItem() {
return customItem;
}
public int getPrefContentWidth(int height) {
return customItem.getPrefContentWidth(height);
}
public int getPrefContentHeight(int width) {
return customItem.getPrefContentHeight(width);
}
public void paint(Graphics g, int w, int h) {
customItem.paint(g, w, h);
}
}));
setMinimumSize(minWidth, minHeight);
}
public void setLabel(String label) {
throw new IllegalStateException("Spacer items can't have labels");
}
public void addCommand(Command cmd) {
throw new IllegalStateException("Spacer items can't have commands");
}
public void setDefaultCommand(Command cmd) {
throw new IllegalStateException("Spacer items can't have commands");
}
public void setMinimumSize(int minWidth, int minHeight) {
if (minWidth < 0 || minHeight < 0) {
throw new IllegalArgumentException();
}
this.minWidth = minWidth;
this.minHeight = minHeight;
}
// Item methods
int paint(Graphics g) {
return 0;
}
private class SpacerCustomItem extends CustomItem {
protected SpacerCustomItem() {
super(null);
}
protected int getMinContentWidth() {
return minWidth;
}
protected int getMinContentHeight() {
return minHeight;
}
protected int getPrefContentWidth(int height) {
return minWidth;
}
protected int getPrefContentHeight(int width) {
return minHeight;
}
protected void paint(Graphics g, int w, int h) {
}
}
}