001 /*
002 * Copyright 2008-2017 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package griffon.swing.editors;
017
018 import griffon.core.editors.AbstractPropertyEditor;
019 import griffon.metadata.PropertyEditorFor;
020
021 import java.awt.Dimension;
022 import java.util.List;
023 import java.util.Map;
024
025 import static griffon.util.GriffonNameUtils.isBlank;
026
027 /**
028 * @author Andres Almiray
029 * @author Alexander Klein
030 * @since 2.0.0
031 */
032 @PropertyEditorFor(Dimension.class)
033 public class DimensionPropertyEditor extends AbstractPropertyEditor {
034 @Override
035 public String getAsText() {
036 if (null == getValue()) return null;
037 Dimension dimension = (Dimension) getValue();
038 return dimension.getWidth() + ", " + dimension.getHeight();
039 }
040
041 @Override
042 protected void setValueInternal(Object value) {
043 if (null == value) {
044 super.setValueInternal(null);
045 } else if (value instanceof CharSequence) {
046 handleAsString(String.valueOf(value));
047 } else if (value instanceof List) {
048 handleAsList((List) value);
049 } else if (value instanceof Map) {
050 handleAsMap((Map) value);
051 } else if (value instanceof Number) {
052 handleAsNumber((Number) value);
053 } else if (value instanceof Dimension) {
054 super.setValueInternal(value);
055 } else {
056 throw illegalValue(value, Dimension.class);
057 }
058 }
059
060 protected void handleAsString(String str) {
061 if (isBlank(str)) {
062 super.setValueInternal(null);
063 return;
064 }
065 String[] parts = str.split(",");
066 switch (parts.length) {
067 case 1:
068 int s = parseValue(parts[0]);
069 super.setValueInternal(new Dimension(s, s));
070 break;
071 case 2:
072 int w = parseValue(parts[0]);
073 int h = parseValue(parts[1]);
074 super.setValueInternal(new Dimension(w, h));
075 break;
076 default:
077 throw illegalValue(str, Dimension.class);
078 }
079 }
080
081 protected void handleAsList(List<?> list) {
082 if(list.isEmpty()) {
083 super.setValueInternal(null);
084 return;
085 }
086
087 switch (list.size()) {
088 case 1:
089 int s = parseValue(list.get(0));
090 super.setValueInternal(new Dimension(s, s));
091 break;
092 case 2:
093 int w = parseValue(list.get(0));
094 int h = parseValue(list.get(1));
095 super.setValueInternal(new Dimension(w, h));
096 break;
097 default:
098 throw illegalValue(list, Dimension.class);
099 }
100 }
101
102 protected void handleAsMap(Map<?, ?> map) {
103 if(map.isEmpty()) {
104 super.setValueInternal(null);
105 return;
106 }
107
108 int w = getMapValue(map, "width", 0);
109 int h = getMapValue(map, "height", 0);
110 super.setValueInternal(new Dimension(w, h));
111 }
112
113 protected int parseValue(Object value) {
114 if (value instanceof CharSequence) {
115 return parse(String.valueOf(value));
116 } else if (value instanceof Number) {
117 return parse((Number) value);
118 }
119 throw illegalValue(value, Dimension.class);
120 }
121
122 protected int parse(String val) {
123 try {
124 return Integer.parseInt(val.trim());
125 } catch (NumberFormatException e) {
126 throw illegalValue(val, Dimension.class, e);
127 }
128 }
129
130 protected int parse(Number val) {
131 return val.intValue();
132 }
133
134 protected int getMapValue(Map<?, ?> map, String key, int defaultValue) {
135 Object val = map.get(key);
136 if (null == val) val = map.get(String.valueOf(key.charAt(0)));
137 if (null == val) {
138 return defaultValue;
139 } else if (val instanceof CharSequence) {
140 return parse(String.valueOf(val));
141 } else if (val instanceof Number) {
142 return parse((Number) val);
143 }
144 throw illegalValue(map, Dimension.class);
145 }
146
147 protected void handleAsNumber(Number value) {
148 int s = parse(value);
149 super.setValueInternal(new Dimension(s, s));
150 }
151 }
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