001 /*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2008-2017 the original author or authors.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package griffon.swing.editors;
019
020 import griffon.core.editors.AbstractPropertyEditor;
021 import griffon.metadata.PropertyEditorFor;
022
023 import java.awt.Rectangle;
024 import java.util.List;
025 import java.util.Map;
026
027 import static griffon.util.GriffonNameUtils.isBlank;
028
029 /**
030 * @author Andres Almiray
031 * @author Alexander Klein
032 * @since 2.0.0
033 */
034 @PropertyEditorFor(Rectangle.class)
035 public class RectanglePropertyEditor extends AbstractPropertyEditor {
036 @Override
037 public String getAsText() {
038 if (null == getValue()) return null;
039 Rectangle r = (Rectangle) getValue();
040 return r.getX() + ", " + r.getY() + ", " + r.getWidth() + ", " + r.getHeight();
041 }
042
043 @Override
044 protected void setValueInternal(Object value) {
045 if (null == value) {
046 super.setValueInternal(null);
047 } else if (value instanceof CharSequence) {
048 handleAsString(String.valueOf(value));
049 } else if (value instanceof List) {
050 handleAsList((List) value);
051 } else if (value instanceof Map) {
052 handleAsMap((Map) value);
053 } else if (value instanceof Rectangle) {
054 super.setValueInternal(value);
055 } else {
056 throw illegalValue(value, Rectangle.class);
057 }
058 }
059
060 protected void handleAsString(String str) {
061 if (isBlank(str)) {
062 super.setValueInternal(null);
063 return;
064 }
065
066 String[] parts = str.split(",");
067 switch (parts.length) {
068 case 4:
069 int x = parseValue(parts[0]);
070 int y = parseValue(parts[1]);
071 int w = parseValue(parts[2]);
072 int h = parseValue(parts[3]);
073 super.setValueInternal(new Rectangle(x, y, w, h));
074 break;
075 default:
076 throw illegalValue(str, Rectangle.class);
077 }
078 }
079
080 protected void handleAsList(List<?> list) {
081 if(list.isEmpty()) {
082 super.setValueInternal(null);
083 return;
084 }
085
086 switch (list.size()) {
087 case 4:
088 int x = parseValue(list.get(0));
089 int y = parseValue(list.get(1));
090 int w = parseValue(list.get(2));
091 int h = parseValue(list.get(3));
092 super.setValueInternal(new Rectangle(x, y, w, h));
093 break;
094 default:
095 throw illegalValue(list, Rectangle.class);
096 }
097 }
098
099 protected void handleAsMap(Map<?, ?> map) {
100 if(map.isEmpty()) {
101 super.setValueInternal(null);
102 return;
103 }
104
105 int x = getMapValue(map, "x", 0);
106 int y = getMapValue(map, "y", 0);
107 int w = getMapValue(map, "width", 0);
108 int h = getMapValue(map, "height", 0);
109 super.setValueInternal(new Rectangle(x, y, w, h));
110 }
111
112 protected int parseValue(Object value) {
113 if (value instanceof CharSequence) {
114 return parse(String.valueOf(value));
115 } else if (value instanceof Number) {
116 return parse((Number) value);
117 }
118 throw illegalValue(value, Rectangle.class);
119 }
120
121 protected int parse(String val) {
122 try {
123 return Integer.parseInt(val.trim());
124 } catch (NumberFormatException e) {
125 throw illegalValue(val, Rectangle.class, e);
126 }
127 }
128
129 protected int parse(Number val) {
130 return val.intValue();
131 }
132
133 protected int getMapValue(Map<?, ?> map, String key, int defaultValue) {
134 Object val = map.get(key);
135 if (null == val) val = map.get(String.valueOf(key.charAt(0)));
136 if (null == val) {
137 return defaultValue;
138 } else if (val instanceof CharSequence) {
139 return parse(String.valueOf(val));
140 } else if (val instanceof Number) {
141 return parse((Number) val);
142 }
143 throw illegalValue(map, Rectangle.class);
144 }
145 }
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