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Vaadin is a web application framework for Rich Internet Applications (RIA).
Vaadin enables easy development and maintenance of fast and secure rich web
applications with a stunning look and feel and a wide browser support.
It features a server-side architecture with the majority of the logic running
on the server. Ajax technology is used at the browser-side to ensure a rich
and interactive user experience.
/*
* Copyright 2011 Vaadin Ltd.
*
* 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.
*/
package com.vaadin.terminal.gwt.client.ui;
import java.io.Serializable;
@SuppressWarnings("serial")
public class VMarginInfo implements Serializable {
private static final int TOP = 1;
private static final int RIGHT = 2;
private static final int BOTTOM = 4;
private static final int LEFT = 8;
private int bitMask;
public VMarginInfo(int bitMask) {
this.bitMask = bitMask;
}
public VMarginInfo(boolean top, boolean right, boolean bottom, boolean left) {
setMargins(top, right, bottom, left);
}
public void setMargins(boolean top, boolean right, boolean bottom,
boolean left) {
bitMask = top ? TOP : 0;
bitMask += right ? RIGHT : 0;
bitMask += bottom ? BOTTOM : 0;
bitMask += left ? LEFT : 0;
}
public void setMargins(VMarginInfo marginInfo) {
bitMask = marginInfo.bitMask;
}
public boolean hasLeft() {
return (bitMask & LEFT) == LEFT;
}
public boolean hasRight() {
return (bitMask & RIGHT) == RIGHT;
}
public boolean hasTop() {
return (bitMask & TOP) == TOP;
}
public boolean hasBottom() {
return (bitMask & BOTTOM) == BOTTOM;
}
public int getBitMask() {
return bitMask;
}
public void setMargins(boolean enabled) {
if (enabled) {
bitMask = TOP + RIGHT + BOTTOM + LEFT;
} else {
bitMask = 0;
}
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof VMarginInfo)) {
return false;
}
return ((VMarginInfo) obj).bitMask == bitMask;
}
@Override
public int hashCode() {
return bitMask;
}
}