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- /*
- * 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";
- }
-
- }
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