| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you 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 org.apache.pivot.wtk; |
| |
| import java.io.Serializable; |
| |
| import org.apache.pivot.collections.Dictionary; |
| import org.apache.pivot.json.JSONSerializer; |
| import org.apache.pivot.serialization.SerializationException; |
| |
| /** |
| * Class representing the insets of an object. |
| */ |
| public final class Insets implements Serializable { |
| private static final long serialVersionUID = -8528862892185591370L; |
| |
| public final int top; |
| public final int left; |
| public final int bottom; |
| public final int right; |
| |
| public static final String TOP_KEY = "top"; |
| public static final String LEFT_KEY = "left"; |
| public static final String BOTTOM_KEY = "bottom"; |
| public static final String RIGHT_KEY = "right"; |
| |
| /** |
| * Insets whose top, left, bottom, and right values are all zero. |
| */ |
| public static final Insets NONE = new Insets(0); |
| |
| public Insets(int inset) { |
| this.top = inset; |
| this.left = inset; |
| this.bottom = inset; |
| this.right = inset; |
| } |
| |
| public Insets(int top, int left, int bottom, int right) { |
| this.top = top; |
| this.left = left; |
| this.bottom = bottom; |
| this.right = right; |
| } |
| |
| public Insets(Insets insets) { |
| if (insets == null) { |
| throw new IllegalArgumentException("insets is null."); |
| } |
| |
| this.top = insets.top; |
| this.left = insets.left; |
| this.bottom = insets.bottom; |
| this.right = insets.right; |
| } |
| |
| public Insets(Dictionary<String, ?> insets) { |
| if (insets == null) { |
| throw new IllegalArgumentException("insets is null."); |
| } |
| |
| if (insets.containsKey(TOP_KEY)) { |
| top = ((Number) insets.get(TOP_KEY)).intValue(); |
| } else { |
| top = 0; |
| } |
| |
| if (insets.containsKey(LEFT_KEY)) { |
| left = ((Number) insets.get(LEFT_KEY)).intValue(); |
| } else { |
| left = 0; |
| } |
| |
| if (insets.containsKey(BOTTOM_KEY)) { |
| bottom = ((Number) insets.get(BOTTOM_KEY)).intValue(); |
| } else { |
| bottom = 0; |
| } |
| |
| if (insets.containsKey(RIGHT_KEY)) { |
| right = ((Number) insets.get(RIGHT_KEY)).intValue(); |
| } else { |
| right = 0; |
| } |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| boolean equals = false; |
| |
| if (object instanceof Insets) { |
| Insets insets = (Insets) object; |
| equals = (top == insets.top && left == insets.left && bottom == insets.bottom && right == insets.right); |
| } |
| |
| return equals; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + top; |
| result = prime * result + left; |
| result = prime * result + bottom; |
| result = prime * result + right; |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getName() + " [" + top + ", " + left + ", " + bottom + ", " + right + "]"; |
| } |
| |
| public static Insets decode(String value) { |
| if (value == null) { |
| throw new IllegalArgumentException(); |
| } |
| |
| Insets insets; |
| if (value.startsWith("{")) { |
| try { |
| insets = new Insets(JSONSerializer.parseMap(value)); |
| } catch (SerializationException exception) { |
| throw new IllegalArgumentException(exception); |
| } |
| } else { |
| insets = new Insets(Integer.parseInt(value)); |
| } |
| |
| return insets; |
| } |
| } |