/*
* Copyright 2000-2016 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.shared.ui;
import java.io.Serializable;
public final class AlignmentInfo implements Serializable {
/** Bitmask values for client server communication */
public static class Bits implements Serializable {
public static final int ALIGNMENT_LEFT = 1;
public static final int ALIGNMENT_RIGHT = 2;
public static final int ALIGNMENT_TOP = 4;
public static final int ALIGNMENT_BOTTOM = 8;
public static final int ALIGNMENT_HORIZONTAL_CENTER = 16;
public static final int ALIGNMENT_VERTICAL_CENTER = 32;
}
public static final AlignmentInfo LEFT = new AlignmentInfo(
Bits.ALIGNMENT_LEFT);
public static final AlignmentInfo RIGHT = new AlignmentInfo(
Bits.ALIGNMENT_RIGHT);
public static final AlignmentInfo TOP = new AlignmentInfo(
Bits.ALIGNMENT_TOP);
public static final AlignmentInfo BOTTOM = new AlignmentInfo(
Bits.ALIGNMENT_BOTTOM);
public static final AlignmentInfo CENTER = new AlignmentInfo(
Bits.ALIGNMENT_HORIZONTAL_CENTER);
public static final AlignmentInfo MIDDLE = new AlignmentInfo(
Bits.ALIGNMENT_VERTICAL_CENTER);
public static final AlignmentInfo TOP_LEFT = new AlignmentInfo(
Bits.ALIGNMENT_TOP + Bits.ALIGNMENT_LEFT);
private final int bitMask;
public AlignmentInfo(int bitMask) {
this.bitMask = bitMask;
}
public AlignmentInfo(AlignmentInfo horizontal, AlignmentInfo vertical) {
this(horizontal.getBitMask() + vertical.getBitMask());
}
public int getBitMask() {
return bitMask;
}
public boolean isTop() {
return (bitMask & Bits.ALIGNMENT_TOP) == Bits.ALIGNMENT_TOP;
}
public boolean isBottom() {
return (bitMask & Bits.ALIGNMENT_BOTTOM) == Bits.ALIGNMENT_BOTTOM;
}
public boolean isLeft() {
return (bitMask & Bits.ALIGNMENT_LEFT) == Bits.ALIGNMENT_LEFT;
}
public boolean isRight() {
return (bitMask & Bits.ALIGNMENT_RIGHT) == Bits.ALIGNMENT_RIGHT;
}
public boolean isVerticalCenter() {
return (bitMask
& Bits.ALIGNMENT_VERTICAL_CENTER) == Bits.ALIGNMENT_VERTICAL_CENTER;
}
public boolean isHorizontalCenter() {
return (bitMask
& Bits.ALIGNMENT_HORIZONTAL_CENTER) == Bits.ALIGNMENT_HORIZONTAL_CENTER;
}
public String getVerticalAlignment() {
if (isBottom()) {
return "bottom";
} else if (isVerticalCenter()) {
return "middle";
}
return "top";
}
public String getHorizontalAlignment() {
if (isRight()) {
return "right";
} else if (isHorizontalCenter()) {
return "center";
}
return "left";
}
}