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.geom.Rectangle2D;
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 * @since 2.0.0
032 */
033 @PropertyEditorFor(Rectangle2D.class)
034 public class Rectangle2DPropertyEditor extends AbstractPropertyEditor {
035 @Override
036 public String getAsText() {
037 if (null == getValue()) return null;
038 Rectangle2D r = (Rectangle2D) getValue();
039 return r.getX() + ", " + r.getY() + ", " + r.getWidth() + ", " + r.getHeight();
040 }
041
042 @Override
043 protected void setValueInternal(Object value) {
044 if (null == value) {
045 super.setValueInternal(null);
046 } else if (value instanceof CharSequence) {
047 handleAsString(String.valueOf(value));
048 } else if (value instanceof List) {
049 handleAsList((List) value);
050 } else if (value instanceof Map) {
051 handleAsMap((Map) value);
052 } else if (value instanceof Rectangle2D) {
053 super.setValueInternal(value);
054 } else {
055 throw illegalValue(value, Rectangle2D.class);
056 }
057 }
058
059 protected void handleAsString(String str) {
060 if (isBlank(str)) {
061 super.setValueInternal(null);
062 return;
063 }
064
065 String[] parts = str.split(",");
066 switch (parts.length) {
067 case 4:
068 double x = parseValue(parts[0]);
069 double y = parseValue(parts[1]);
070 double w = parseValue(parts[2]);
071 double h = parseValue(parts[3]);
072 super.setValueInternal(new Rectangle2D.Double(x, y, w, h));
073 break;
074 default:
075 throw illegalValue(str, Rectangle2D.class);
076 }
077 }
078
079 protected void handleAsList(List<?> list) {
080 if(list.isEmpty()) {
081 super.setValueInternal(null);
082 return;
083 }
084
085 switch (list.size()) {
086 case 4:
087 double x = parseValue(list.get(0));
088 double y = parseValue(list.get(1));
089 double w = parseValue(list.get(2));
090 double h = parseValue(list.get(3));
091 super.setValueInternal(new Rectangle2D.Double(x, y, w, h));
092 break;
093 default:
094 throw illegalValue(list, Rectangle2D.class);
095 }
096 }
097
098 protected void handleAsMap(Map<?, ?> map) {
099 if(map.isEmpty()) {
100 super.setValueInternal(null);
101 return;
102 }
103
104 double x = getMapValue(map, "x", 0);
105 double y = getMapValue(map, "y", 0);
106 double w = getMapValue(map, "width", 0);
107 double h = getMapValue(map, "height", 0);
108 super.setValueInternal(new Rectangle2D.Double(x, y, w, h));
109 }
110
111 protected double parseValue(Object value) {
112 if (value instanceof CharSequence) {
113 return parse(String.valueOf(value));
114 } else if (value instanceof Number) {
115 return parse((Number) value);
116 }
117 throw illegalValue(value, Rectangle2D.class);
118 }
119
120 protected double parse(String val) {
121 try {
122 return Double.parseDouble(val.trim());
123 } catch (NumberFormatException e) {
124 throw illegalValue(val, Rectangle2D.class, e);
125 }
126 }
127
128 protected double parse(Number val) {
129 return val.doubleValue();
130 }
131
132 protected double getMapValue(Map<?, ?> map, String key, double defaultValue) {
133 Object val = map.get(key);
134 if (null == val) val = map.get(String.valueOf(key.charAt(0)));
135 if (null == val) {
136 return defaultValue;
137 } else if (val instanceof CharSequence) {
138 return parse(String.valueOf(val));
139 } else if (val instanceof Number) {
140 return parse((Number) val);
141 }
142 throw illegalValue(map, Rectangle2D.class);
143 }
144 }
|